diff options
| author | Graeme Russ <graeme.russ@gmail.com> | 2011-04-13 19:43:28 +1000 |
|---|---|---|
| committer | Graeme Russ <graeme.russ@gmail.com> | 2011-04-13 19:43:28 +1000 |
| commit | fea25720013f84427a0ba8833a38614fcaf488ba (patch) | |
| tree | 59399e99054261e245a1f2f2dbb478adad1d49ab /arch/i386 | |
| parent | dbf7115a326fa70ac3e4ca87497c7e21c6642b45 (diff) | |
| download | talos-obmc-uboot-fea25720013f84427a0ba8833a38614fcaf488ba.tar.gz talos-obmc-uboot-fea25720013f84427a0ba8833a38614fcaf488ba.zip | |
x86: Rename i386 to x86
Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
Diffstat (limited to 'arch/i386')
64 files changed, 0 insertions, 8631 deletions
diff --git a/arch/i386/config.mk b/arch/i386/config.mk deleted file mode 100644 index e9452012a6..0000000000 --- a/arch/i386/config.mk +++ /dev/null @@ -1,42 +0,0 @@ -# -# (C) Copyright 2000-2002 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 - -PLATFORM_CPPFLAGS += -fno-strict-aliasing -PLATFORM_CPPFLAGS += -Wstrict-prototypes -PLATFORM_CPPFLAGS += -mregparm=3 -PLATFORM_CPPFLAGS += -fomit-frame-pointer -PLATFORM_CPPFLAGS += $(call cc-option, -ffreestanding) -PLATFORM_CPPFLAGS += $(call cc-option, -fno-toplevel-reorder, $(call cc-option, -fno-unit-at-a-time)) -PLATFORM_CPPFLAGS += $(call cc-option, -fno-stack-protector) -PLATFORM_CPPFLAGS += $(call cc-option, -mpreferred-stack-boundary=2) -PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm -PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0 - -PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden - -PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions - -LDFLAGS_FINAL += --gc-sections -pie -LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds diff --git a/arch/i386/cpu/Makefile b/arch/i386/cpu/Makefile deleted file mode 100644 index ddde83c91d..0000000000 --- a/arch/i386/cpu/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(CPU).o - -START = start.o start16.o resetvec.o -COBJS = interrupts.o cpu.o - -SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) -START := $(addprefix $(obj),$(START)) - -all: $(obj).depend $(START) $(LIB) - -$(LIB): $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/arch/i386/cpu/config.mk b/arch/i386/cpu/config.mk deleted file mode 100644 index 9b2e2c9fe1..0000000000 --- a/arch/i386/cpu/config.mk +++ /dev/null @@ -1,32 +0,0 @@ -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -CROSS_COMPILE ?= i386-linux- - -PLATFORM_CPPFLAGS += -DCONFIG_I386 -D__I386__ -march=i386 -Werror - -# DO NOT MODIFY THE FOLLOWING UNLESS YOU REALLY KNOW WHAT YOU ARE DOING! -LDPPFLAGS += -DRESET_SEG_START=0xffff0000 -LDPPFLAGS += -DRESET_SEG_SIZE=0x10000 -LDPPFLAGS += -DRESET_VEC_LOC=0xfff0 -LDPPFLAGS += -DSTART_16=0xf800 diff --git a/arch/i386/cpu/cpu.c b/arch/i386/cpu/cpu.c deleted file mode 100644 index 5ca0c9156c..0000000000 --- a/arch/i386/cpu/cpu.c +++ /dev/null @@ -1,157 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <command.h> -#include <asm/processor.h> -#include <asm/processor-flags.h> -#include <asm/interrupt.h> - -/* - * Constructor for a conventional segment GDT (or LDT) entry - * This is a macro so it can be used in initialisers - */ -#define GDT_ENTRY(flags, base, limit) \ - ((((base) & 0xff000000ULL) << (56-24)) | \ - (((flags) & 0x0000f0ffULL) << 40) | \ - (((limit) & 0x000f0000ULL) << (48-16)) | \ - (((base) & 0x00ffffffULL) << 16) | \ - (((limit) & 0x0000ffffULL))) - -struct gdt_ptr { - u16 len; - u32 ptr; -} __attribute__((packed)); - -static void reload_gdt(void) -{ - /* - * There are machines which are known to not boot with the GDT - * being 8-byte unaligned. Intel recommends 16 byte alignment - */ - static const u64 boot_gdt[] __attribute__((aligned(16))) = { - /* CS: code, read/execute, 4 GB, base 0 */ - [GDT_ENTRY_32BIT_CS] = GDT_ENTRY(0xc09b, 0, 0xfffff), - /* DS: data, read/write, 4 GB, base 0 */ - [GDT_ENTRY_32BIT_DS] = GDT_ENTRY(0xc093, 0, 0xfffff), - /* 16-bit CS: code, read/execute, 64 kB, base 0 */ - [GDT_ENTRY_16BIT_CS] = GDT_ENTRY(0x109b, 0, 0x0ffff), - /* 16-bit DS: data, read/write, 64 kB, base 0 */ - [GDT_ENTRY_16BIT_DS] = GDT_ENTRY(0x1093, 0, 0x0ffff), - }; - static struct gdt_ptr gdt; - - gdt.len = sizeof(boot_gdt)-1; - gdt.ptr = (u32)&boot_gdt; - - asm volatile("lgdtl %0\n" \ - "movl $((2+1)*8), %%ecx\n" \ - "movl %%ecx, %%ds\n" \ - "movl %%ecx, %%es\n" \ - "movl %%ecx, %%fs\n" \ - "movl %%ecx, %%gs\n" \ - "movl %%ecx, %%ss" \ - : : "m" (gdt) : "ecx"); -} - -int x86_cpu_init_f(void) -{ - const u32 em_rst = ~X86_CR0_EM; - const u32 mp_ne_set = X86_CR0_MP | X86_CR0_NE; - - /* initialize FPU, reset EM, set MP and NE */ - asm ("fninit\n" \ - "movl %%cr0, %%eax\n" \ - "andl %0, %%eax\n" \ - "orl %1, %%eax\n" \ - "movl %%eax, %%cr0\n" \ - : : "i" (em_rst), "i" (mp_ne_set) : "eax"); - - return 0; -} -int cpu_init_f(void) __attribute__((weak, alias("x86_cpu_init_f"))); - -int x86_cpu_init_r(void) -{ - const u32 nw_cd_rst = ~(X86_CR0_NW | X86_CR0_CD); - - /* turn on the cache and disable write through */ - asm("movl %%cr0, %%eax\n" - "andl %0, %%eax\n" - "movl %%eax, %%cr0\n" - "wbinvd\n" : : "i" (nw_cd_rst) : "eax"); - - reload_gdt(); - - /* Initialize core interrupt and exception functionality of CPU */ - cpu_init_interrupts (); - return 0; -} -int cpu_init_r(void) __attribute__((weak, alias("x86_cpu_init_r"))); - -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - printf ("resetting ...\n"); - - /* wait 50 ms */ - udelay(50000); - disable_interrupts(); - reset_cpu(0); - - /*NOTREACHED*/ - return 0; -} - -void flush_cache (unsigned long dummy1, unsigned long dummy2) -{ - asm("wbinvd\n"); -} - -void __attribute__ ((regparm(0))) generate_gpf(void); - -/* segment 0x70 is an arbitrary segment which does not exist */ -asm(".globl generate_gpf\n" - ".hidden generate_gpf\n" - ".type generate_gpf, @function\n" - "generate_gpf:\n" - "ljmp $0x70, $0x47114711\n"); - -void __reset_cpu(ulong addr) -{ - printf("Resetting using i386 Triple Fault\n"); - set_vector(13, generate_gpf); /* general protection fault handler */ - set_vector(8, generate_gpf); /* double fault handler */ - generate_gpf(); /* start the show */ -} -void reset_cpu(ulong addr) __attribute__((weak, alias("__reset_cpu"))); diff --git a/arch/i386/cpu/interrupts.c b/arch/i386/cpu/interrupts.c deleted file mode 100644 index 62bcadc486..0000000000 --- a/arch/i386/cpu/interrupts.c +++ /dev/null @@ -1,674 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * Portions of this file are derived from the Linux kernel source - * Copyright (C) 1991, 1992 Linus Torvalds - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/interrupt.h> -#include <asm/io.h> -#include <asm/processor-flags.h> - -#define DECLARE_INTERRUPT(x) \ - ".globl irq_"#x"\n" \ - ".hidden irq_"#x"\n" \ - ".type irq_"#x", @function\n" \ - "irq_"#x":\n" \ - "pushl $"#x"\n" \ - "jmp irq_common_entry\n" - -/* - * Volatile isn't enough to prevent the compiler from reordering the - * read/write functions for the control registers and messing everything up. - * A memory clobber would solve the problem, but would prevent reordering of - * all loads stores around it, which can hurt performance. Solution is to - * use a variable and mimic reads and writes to it to enforce serialisation - */ -static unsigned long __force_order; - -static inline unsigned long read_cr0(void) -{ - unsigned long val; - asm volatile("mov %%cr0,%0\n\t" : "=r" (val), "=m" (__force_order)); - return val; -} - -static inline unsigned long read_cr2(void) -{ - unsigned long val; - asm volatile("mov %%cr2,%0\n\t" : "=r" (val), "=m" (__force_order)); - return val; -} - -static inline unsigned long read_cr3(void) -{ - unsigned long val; - asm volatile("mov %%cr3,%0\n\t" : "=r" (val), "=m" (__force_order)); - return val; -} - -static inline unsigned long read_cr4(void) -{ - unsigned long val; - asm volatile("mov %%cr4,%0\n\t" : "=r" (val), "=m" (__force_order)); - return val; -} - -static inline unsigned long get_debugreg(int regno) -{ - unsigned long val = 0; /* Damn you, gcc! */ - - switch (regno) { - case 0: - asm("mov %%db0, %0" :"=r" (val)); - break; - case 1: - asm("mov %%db1, %0" :"=r" (val)); - break; - case 2: - asm("mov %%db2, %0" :"=r" (val)); - break; - case 3: - asm("mov %%db3, %0" :"=r" (val)); - break; - case 6: - asm("mov %%db6, %0" :"=r" (val)); - break; - case 7: - asm("mov %%db7, %0" :"=r" (val)); - break; - default: - val = 0; - } - return val; -} - -void dump_regs(struct irq_regs *regs) -{ - unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; - unsigned long d0, d1, d2, d3, d6, d7; - unsigned long sp; - - printf("EIP: %04x:[<%08lx>] EFLAGS: %08lx\n", - (u16)regs->xcs, regs->eip, regs->eflags); - - printf("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", - regs->eax, regs->ebx, regs->ecx, regs->edx); - printf("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n", - regs->esi, regs->edi, regs->ebp, regs->esp); - printf(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n", - (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs, (u16)regs->xgs, (u16)regs->xss); - - cr0 = read_cr0(); - cr2 = read_cr2(); - cr3 = read_cr3(); - cr4 = read_cr4(); - - printf("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", - cr0, cr2, cr3, cr4); - - d0 = get_debugreg(0); - d1 = get_debugreg(1); - d2 = get_debugreg(2); - d3 = get_debugreg(3); - - printf("DR0: %08lx DR1: %08lx DR2: %08lx DR3: %08lx\n", - d0, d1, d2, d3); - - d6 = get_debugreg(6); - d7 = get_debugreg(7); - printf("DR6: %08lx DR7: %08lx\n", - d6, d7); - - printf("Stack:\n"); - sp = regs->esp; - - sp += 64; - - while (sp > (regs->esp - 16)) { - if (sp == regs->esp) - printf("--->"); - else - printf(" "); - printf("0x%8.8lx : 0x%8.8lx\n", sp, (ulong)readl(sp)); - sp -= 4; - } -} - -struct idt_entry { - u16 base_low; - u16 selector; - u8 res; - u8 access; - u16 base_high; -} __attribute__ ((packed)); - -struct desc_ptr { - unsigned short size; - unsigned long address; - unsigned short segment; -} __attribute__((packed)); - -struct idt_entry idt[256]; - -struct desc_ptr idt_ptr; - -static inline void load_idt(const struct desc_ptr *dtr) -{ - asm volatile("cs lidt %0"::"m" (*dtr)); -} - -void set_vector(u8 intnum, void *routine) -{ - idt[intnum].base_high = (u16)((u32)(routine) >> 16); - idt[intnum].base_low = (u16)((u32)(routine) & 0xffff); -} - -void irq_0(void); -void irq_1(void); - -int cpu_init_interrupts(void) -{ - int i; - - int irq_entry_size = irq_1 - irq_0; - void *irq_entry = (void *)irq_0; - - /* Just in case... */ - disable_interrupts(); - - /* Setup the IDT */ - for (i=0;i<256;i++) { - idt[i].access = 0x8e; - idt[i].res = 0; - idt[i].selector = 0x10; - set_vector(i, irq_entry); - irq_entry += irq_entry_size; - } - - idt_ptr.size = 256 * 8; - idt_ptr.address = (unsigned long) idt; - idt_ptr.segment = 0x18; - - load_idt(&idt_ptr); - - /* It is now safe to enable interrupts */ - enable_interrupts(); - - return 0; -} - -void __do_irq(int irq) -{ - printf("Unhandled IRQ : %d\n", irq); -} -void do_irq(int irq) __attribute__((weak, alias("__do_irq"))); - -void enable_interrupts(void) -{ - asm("sti\n"); -} - -int disable_interrupts(void) -{ - long flags; - - asm volatile ("pushfl ; popl %0 ; cli\n" : "=g" (flags) : ); - - return flags & X86_EFLAGS_IF; /* IE flags is bit 9 */ -} - -/* IRQ Low-Level Service Routine */ -void irq_llsr(struct irq_regs *regs) -{ - /* - * For detailed description of each exception, refer to: - * Intel® 64 and IA-32 Architectures Software Developer's Manual - * Volume 1: Basic Architecture - * Order Number: 253665-029US, November 2008 - * Table 6-1. Exceptions and Interrupts - */ - switch (regs->irq_id) { - case 0x00: - printf("Divide Error (Division by zero)\n"); - dump_regs(regs); - while(1); - break; - case 0x01: - printf("Debug Interrupt (Single step)\n"); - dump_regs(regs); - break; - case 0x02: - printf("NMI Interrupt\n"); - dump_regs(regs); - break; - case 0x03: - printf("Breakpoint\n"); - dump_regs(regs); - break; - case 0x04: - printf("Overflow\n"); - dump_regs(regs); - while(1); - break; - case 0x05: - printf("BOUND Range Exceeded\n"); - dump_regs(regs); - while(1); - break; - case 0x06: - printf("Invalid Opcode (UnDefined Opcode)\n"); - dump_regs(regs); - while(1); - break; - case 0x07: - printf("Device Not Available (No Math Coprocessor)\n"); - dump_regs(regs); - while(1); - break; - case 0x08: - printf("Double fault\n"); - dump_regs(regs); - while(1); - break; - case 0x09: - printf("Co-processor segment overrun\n"); - dump_regs(regs); - while(1); - break; - case 0x0a: - printf("Invalid TSS\n"); - dump_regs(regs); - break; - case 0x0b: - printf("Segment Not Present\n"); - dump_regs(regs); - while(1); - break; - case 0x0c: - printf("Stack Segment Fault\n"); - dump_regs(regs); - while(1); - break; - case 0x0d: - printf("General Protection\n"); - dump_regs(regs); - break; - case 0x0e: - printf("Page fault\n"); - dump_regs(regs); - while(1); - break; - case 0x0f: - printf("Floating-Point Error (Math Fault)\n"); - dump_regs(regs); - break; - case 0x10: - printf("Alignment check\n"); - dump_regs(regs); - break; - case 0x11: - printf("Machine Check\n"); - dump_regs(regs); - break; - case 0x12: - printf("SIMD Floating-Point Exception\n"); - dump_regs(regs); - break; - case 0x13: - case 0x14: - case 0x15: - case 0x16: - case 0x17: - case 0x18: - case 0x19: - case 0x1a: - case 0x1b: - case 0x1c: - case 0x1d: - case 0x1e: - case 0x1f: - printf("Reserved Exception\n"); - dump_regs(regs); - break; - - default: - /* Hardware or User IRQ */ - do_irq(regs->irq_id); - } -} - -/* - * OK - This looks really horrible, but it serves a purpose - It helps create - * fully relocatable code. - * - The call to irq_llsr will be a relative jump - * - The IRQ entries will be guaranteed to be in order - * Interrupt entries are now very small (a push and a jump) but they are - * now slower (all registers pushed on stack which provides complete - * crash dumps in the low level handlers - * - * Interrupt Entry Point: - * - Interrupt has caused eflags, CS and EIP to be pushed - * - Interrupt Vector Handler has pushed orig_eax - * - pt_regs.esp needs to be adjusted by 40 bytes: - * 12 bytes pushed by CPU (EFLAGSF, CS, EIP) - * 4 bytes pushed by vector handler (irq_id) - * 24 bytes pushed before SP (SS, GS, FS, ES, DS, EAX) - * NOTE: Only longs are pushed on/popped off the stack! - */ -asm(".globl irq_common_entry\n" \ - ".hidden irq_common_entry\n" \ - ".type irq_common_entry, @function\n" \ - "irq_common_entry:\n" \ - "cld\n" \ - "pushl %ss\n" \ - "pushl %gs\n" \ - "pushl %fs\n" \ - "pushl %es\n" \ - "pushl %ds\n" \ - "pushl %eax\n" \ - "movl %esp, %eax\n" \ - "addl $40, %eax\n" \ - "pushl %eax\n" \ - "pushl %ebp\n" \ - "pushl %edi\n" \ - "pushl %esi\n" \ - "pushl %edx\n" \ - "pushl %ecx\n" \ - "pushl %ebx\n" \ - "mov %esp, %eax\n" \ - "call irq_llsr\n" \ - "popl %ebx\n" \ - "popl %ecx\n" \ - "popl %edx\n" \ - "popl %esi\n" \ - "popl %edi\n" \ - "popl %ebp\n" \ - "popl %eax\n" \ - "popl %eax\n" \ - "popl %ds\n" \ - "popl %es\n" \ - "popl %fs\n" \ - "popl %gs\n" \ - "popl %ss\n" \ - "add $4, %esp\n" \ - "iret\n" \ - DECLARE_INTERRUPT(0) \ - DECLARE_INTERRUPT(1) \ - DECLARE_INTERRUPT(2) \ - DECLARE_INTERRUPT(3) \ - DECLARE_INTERRUPT(4) \ - DECLARE_INTERRUPT(5) \ - DECLARE_INTERRUPT(6) \ - DECLARE_INTERRUPT(7) \ - DECLARE_INTERRUPT(8) \ - DECLARE_INTERRUPT(9) \ - DECLARE_INTERRUPT(10) \ - DECLARE_INTERRUPT(11) \ - DECLARE_INTERRUPT(12) \ - DECLARE_INTERRUPT(13) \ - DECLARE_INTERRUPT(14) \ - DECLARE_INTERRUPT(15) \ - DECLARE_INTERRUPT(16) \ - DECLARE_INTERRUPT(17) \ - DECLARE_INTERRUPT(18) \ - DECLARE_INTERRUPT(19) \ - DECLARE_INTERRUPT(20) \ - DECLARE_INTERRUPT(21) \ - DECLARE_INTERRUPT(22) \ - DECLARE_INTERRUPT(23) \ - DECLARE_INTERRUPT(24) \ - DECLARE_INTERRUPT(25) \ - DECLARE_INTERRUPT(26) \ - DECLARE_INTERRUPT(27) \ - DECLARE_INTERRUPT(28) \ - DECLARE_INTERRUPT(29) \ - DECLARE_INTERRUPT(30) \ - DECLARE_INTERRUPT(31) \ - DECLARE_INTERRUPT(32) \ - DECLARE_INTERRUPT(33) \ - DECLARE_INTERRUPT(34) \ - DECLARE_INTERRUPT(35) \ - DECLARE_INTERRUPT(36) \ - DECLARE_INTERRUPT(37) \ - DECLARE_INTERRUPT(38) \ - DECLARE_INTERRUPT(39) \ - DECLARE_INTERRUPT(40) \ - DECLARE_INTERRUPT(41) \ - DECLARE_INTERRUPT(42) \ - DECLARE_INTERRUPT(43) \ - DECLARE_INTERRUPT(44) \ - DECLARE_INTERRUPT(45) \ - DECLARE_INTERRUPT(46) \ - DECLARE_INTERRUPT(47) \ - DECLARE_INTERRUPT(48) \ - DECLARE_INTERRUPT(49) \ - DECLARE_INTERRUPT(50) \ - DECLARE_INTERRUPT(51) \ - DECLARE_INTERRUPT(52) \ - DECLARE_INTERRUPT(53) \ - DECLARE_INTERRUPT(54) \ - DECLARE_INTERRUPT(55) \ - DECLARE_INTERRUPT(56) \ - DECLARE_INTERRUPT(57) \ - DECLARE_INTERRUPT(58) \ - DECLARE_INTERRUPT(59) \ - DECLARE_INTERRUPT(60) \ - DECLARE_INTERRUPT(61) \ - DECLARE_INTERRUPT(62) \ - DECLARE_INTERRUPT(63) \ - DECLARE_INTERRUPT(64) \ - DECLARE_INTERRUPT(65) \ - DECLARE_INTERRUPT(66) \ - DECLARE_INTERRUPT(67) \ - DECLARE_INTERRUPT(68) \ - DECLARE_INTERRUPT(69) \ - DECLARE_INTERRUPT(70) \ - DECLARE_INTERRUPT(71) \ - DECLARE_INTERRUPT(72) \ - DECLARE_INTERRUPT(73) \ - DECLARE_INTERRUPT(74) \ - DECLARE_INTERRUPT(75) \ - DECLARE_INTERRUPT(76) \ - DECLARE_INTERRUPT(77) \ - DECLARE_INTERRUPT(78) \ - DECLARE_INTERRUPT(79) \ - DECLARE_INTERRUPT(80) \ - DECLARE_INTERRUPT(81) \ - DECLARE_INTERRUPT(82) \ - DECLARE_INTERRUPT(83) \ - DECLARE_INTERRUPT(84) \ - DECLARE_INTERRUPT(85) \ - DECLARE_INTERRUPT(86) \ - DECLARE_INTERRUPT(87) \ - DECLARE_INTERRUPT(88) \ - DECLARE_INTERRUPT(89) \ - DECLARE_INTERRUPT(90) \ - DECLARE_INTERRUPT(91) \ - DECLARE_INTERRUPT(92) \ - DECLARE_INTERRUPT(93) \ - DECLARE_INTERRUPT(94) \ - DECLARE_INTERRUPT(95) \ - DECLARE_INTERRUPT(97) \ - DECLARE_INTERRUPT(96) \ - DECLARE_INTERRUPT(98) \ - DECLARE_INTERRUPT(99) \ - DECLARE_INTERRUPT(100) \ - DECLARE_INTERRUPT(101) \ - DECLARE_INTERRUPT(102) \ - DECLARE_INTERRUPT(103) \ - DECLARE_INTERRUPT(104) \ - DECLARE_INTERRUPT(105) \ - DECLARE_INTERRUPT(106) \ - DECLARE_INTERRUPT(107) \ - DECLARE_INTERRUPT(108) \ - DECLARE_INTERRUPT(109) \ - DECLARE_INTERRUPT(110) \ - DECLARE_INTERRUPT(111) \ - DECLARE_INTERRUPT(112) \ - DECLARE_INTERRUPT(113) \ - DECLARE_INTERRUPT(114) \ - DECLARE_INTERRUPT(115) \ - DECLARE_INTERRUPT(116) \ - DECLARE_INTERRUPT(117) \ - DECLARE_INTERRUPT(118) \ - DECLARE_INTERRUPT(119) \ - DECLARE_INTERRUPT(120) \ - DECLARE_INTERRUPT(121) \ - DECLARE_INTERRUPT(122) \ - DECLARE_INTERRUPT(123) \ - DECLARE_INTERRUPT(124) \ - DECLARE_INTERRUPT(125) \ - DECLARE_INTERRUPT(126) \ - DECLARE_INTERRUPT(127) \ - DECLARE_INTERRUPT(128) \ - DECLARE_INTERRUPT(129) \ - DECLARE_INTERRUPT(130) \ - DECLARE_INTERRUPT(131) \ - DECLARE_INTERRUPT(132) \ - DECLARE_INTERRUPT(133) \ - DECLARE_INTERRUPT(134) \ - DECLARE_INTERRUPT(135) \ - DECLARE_INTERRUPT(136) \ - DECLARE_INTERRUPT(137) \ - DECLARE_INTERRUPT(138) \ - DECLARE_INTERRUPT(139) \ - DECLARE_INTERRUPT(140) \ - DECLARE_INTERRUPT(141) \ - DECLARE_INTERRUPT(142) \ - DECLARE_INTERRUPT(143) \ - DECLARE_INTERRUPT(144) \ - DECLARE_INTERRUPT(145) \ - DECLARE_INTERRUPT(146) \ - DECLARE_INTERRUPT(147) \ - DECLARE_INTERRUPT(148) \ - DECLARE_INTERRUPT(149) \ - DECLARE_INTERRUPT(150) \ - DECLARE_INTERRUPT(151) \ - DECLARE_INTERRUPT(152) \ - DECLARE_INTERRUPT(153) \ - DECLARE_INTERRUPT(154) \ - DECLARE_INTERRUPT(155) \ - DECLARE_INTERRUPT(156) \ - DECLARE_INTERRUPT(157) \ - DECLARE_INTERRUPT(158) \ - DECLARE_INTERRUPT(159) \ - DECLARE_INTERRUPT(160) \ - DECLARE_INTERRUPT(161) \ - DECLARE_INTERRUPT(162) \ - DECLARE_INTERRUPT(163) \ - DECLARE_INTERRUPT(164) \ - DECLARE_INTERRUPT(165) \ - DECLARE_INTERRUPT(166) \ - DECLARE_INTERRUPT(167) \ - DECLARE_INTERRUPT(168) \ - DECLARE_INTERRUPT(169) \ - DECLARE_INTERRUPT(170) \ - DECLARE_INTERRUPT(171) \ - DECLARE_INTERRUPT(172) \ - DECLARE_INTERRUPT(173) \ - DECLARE_INTERRUPT(174) \ - DECLARE_INTERRUPT(175) \ - DECLARE_INTERRUPT(176) \ - DECLARE_INTERRUPT(177) \ - DECLARE_INTERRUPT(178) \ - DECLARE_INTERRUPT(179) \ - DECLARE_INTERRUPT(180) \ - DECLARE_INTERRUPT(181) \ - DECLARE_INTERRUPT(182) \ - DECLARE_INTERRUPT(183) \ - DECLARE_INTERRUPT(184) \ - DECLARE_INTERRUPT(185) \ - DECLARE_INTERRUPT(186) \ - DECLARE_INTERRUPT(187) \ - DECLARE_INTERRUPT(188) \ - DECLARE_INTERRUPT(189) \ - DECLARE_INTERRUPT(190) \ - DECLARE_INTERRUPT(191) \ - DECLARE_INTERRUPT(192) \ - DECLARE_INTERRUPT(193) \ - DECLARE_INTERRUPT(194) \ - DECLARE_INTERRUPT(195) \ - DECLARE_INTERRUPT(196) \ - DECLARE_INTERRUPT(197) \ - DECLARE_INTERRUPT(198) \ - DECLARE_INTERRUPT(199) \ - DECLARE_INTERRUPT(200) \ - DECLARE_INTERRUPT(201) \ - DECLARE_INTERRUPT(202) \ - DECLARE_INTERRUPT(203) \ - DECLARE_INTERRUPT(204) \ - DECLARE_INTERRUPT(205) \ - DECLARE_INTERRUPT(206) \ - DECLARE_INTERRUPT(207) \ - DECLARE_INTERRUPT(208) \ - DECLARE_INTERRUPT(209) \ - DECLARE_INTERRUPT(210) \ - DECLARE_INTERRUPT(211) \ - DECLARE_INTERRUPT(212) \ - DECLARE_INTERRUPT(213) \ - DECLARE_INTERRUPT(214) \ - DECLARE_INTERRUPT(215) \ - DECLARE_INTERRUPT(216) \ - DECLARE_INTERRUPT(217) \ - DECLARE_INTERRUPT(218) \ - DECLARE_INTERRUPT(219) \ - DECLARE_INTERRUPT(220) \ - DECLARE_INTERRUPT(221) \ - DECLARE_INTERRUPT(222) \ - DECLARE_INTERRUPT(223) \ - DECLARE_INTERRUPT(224) \ - DECLARE_INTERRUPT(225) \ - DECLARE_INTERRUPT(226) \ - DECLARE_INTERRUPT(227) \ - DECLARE_INTERRUPT(228) \ - DECLARE_INTERRUPT(229) \ - DECLARE_INTERRUPT(230) \ - DECLARE_INTERRUPT(231) \ - DECLARE_INTERRUPT(232) \ - DECLARE_INTERRUPT(233) \ - DECLARE_INTERRUPT(234) \ - DECLARE_INTERRUPT(235) \ - DECLARE_INTERRUPT(236) \ - DECLARE_INTERRUPT(237) \ - DECLARE_INTERRUPT(238) \ - DECLARE_INTERRUPT(239) \ - DECLARE_INTERRUPT(240) \ - DECLARE_INTERRUPT(241) \ - DECLARE_INTERRUPT(242) \ - DECLARE_INTERRUPT(243) \ - DECLARE_INTERRUPT(244) \ - DECLARE_INTERRUPT(245) \ - DECLARE_INTERRUPT(246) \ - DECLARE_INTERRUPT(247) \ - DECLARE_INTERRUPT(248) \ - DECLARE_INTERRUPT(249) \ - DECLARE_INTERRUPT(250) \ - DECLARE_INTERRUPT(251) \ - DECLARE_INTERRUPT(252) \ - DECLARE_INTERRUPT(253) \ - DECLARE_INTERRUPT(254) \ - DECLARE_INTERRUPT(255)); diff --git a/arch/i386/cpu/resetvec.S b/arch/i386/cpu/resetvec.S deleted file mode 100644 index 27021bd721..0000000000 --- a/arch/i386/cpu/resetvec.S +++ /dev/null @@ -1,38 +0,0 @@ -/* - * U-boot - i386 Startup Code - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* Reset vector, jumps to start16.S */ - -.extern start16 - -.section .resetvec, "ax" -.code16 -reset_vector: - cli - cld - jmp start16 - - .org 0xf - nop diff --git a/arch/i386/cpu/sc520/Makefile b/arch/i386/cpu/sc520/Makefile deleted file mode 100644 index 54260b6107..0000000000 --- a/arch/i386/cpu/sc520/Makefile +++ /dev/null @@ -1,57 +0,0 @@ -# -# (C) Copyright 2008 -# Graeme Russ, graeme.russ@gmail.com. -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB := $(obj)lib$(SOC).o - -COBJS-$(CONFIG_SYS_SC520) += sc520.o -COBJS-$(CONFIG_PCI) += sc520_pci.o -COBJS-$(CONFIG_SYS_SC520) += sc520_sdram.o -COBJS-$(CONFIG_SYS_SC520_SSI) += sc520_ssi.o -COBJS-$(CONFIG_SYS_SC520_TIMER) += sc520_timer.o - -SOBJS-$(CONFIG_SYS_SC520) += sc520_car.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -#########################################################################
\ No newline at end of file diff --git a/arch/i386/cpu/sc520/sc520.c b/arch/i386/cpu/sc520/sc520.c deleted file mode 100644 index edc1a5c0f2..0000000000 --- a/arch/i386/cpu/sc520/sc520.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/processor-flags.h> -#include <asm/ic/sc520.h> - -DECLARE_GLOBAL_DATA_PTR; - -sc520_mmcr_t *sc520_mmcr = (sc520_mmcr_t *)SC520_MMCR_BASE; - -int cpu_init_f(void) -{ - if (CONFIG_SYS_SC520_HIGH_SPEED) { - /* set it to 133 MHz and write back */ - writeb(0x02, &sc520_mmcr->cpuctl); - gd->cpu_clk = 133000000; - } else { - /* set it to 100 MHz and write back */ - writeb(0x01, &sc520_mmcr->cpuctl); - gd->cpu_clk = 100000000; - } - - /* wait at least one millisecond */ - asm("movl $0x2000, %%ecx\n" - "0: pushl %%ecx\n" - "popl %%ecx\n" - "loop 0b\n": : : "ecx"); - - return x86_cpu_init_f(); -} - -int cpu_init_r(void) -{ - /* Disable the PAR used for CAR */ - writel(0x0000000, &sc520_mmcr->par[2]); - - /* turn on the SDRAM write buffer */ - writeb(0x11, &sc520_mmcr->dbctl); - - return x86_cpu_init_r(); -} - -#ifdef CONFIG_SYS_SC520_RESET -void reset_cpu(ulong addr) -{ - printf("Resetting using SC520 MMCR\n"); - /* Write a '1' to the SYS_RST of the RESCFG MMCR */ - writeb(0x01, &sc520_mmcr->rescfg); - - /* NOTREACHED */ -} -#endif diff --git a/arch/i386/cpu/sc520/sc520_car.S b/arch/i386/cpu/sc520/sc520_car.S deleted file mode 100644 index a33f94f491..0000000000 --- a/arch/i386/cpu/sc520/sc520_car.S +++ /dev/null @@ -1,93 +0,0 @@ -/* - * (C) Copyright 2010-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <asm/processor-flags.h> -#include <asm/ic/sc520.h> - -.section .text - -.globl car_init -car_init: - /* - * How to enable Cache-As-RAM for the AMD Elan SC520: - * 1. Turn off the CPU Cache (may not be strictly required) - * 2. Set code execution PAR (usually the BOOTCS region) to be - * non-cachable - * 3. Create a Cachable PAR Region for an area of memory which is - * a) NOT where the code is being executed - * b) NOT SDRAM (Controller not initialised yet) - * c) WILL response to read requests - * The easiest way to do this is to create a second BOOTCS - * PAR mappnig with an address != the PAR in step 2 - * 4. Issue a wbinvd to invalidate the CPU cache - * 5. Turn on the CPU Cache - * 6. Read 16kB from the cached PAR region setup in step 3 - * 7. Turn off the CPU Cache (but DO NOT issue a wbinvd) - * - * The following code uses PAR2 as the cached PAR (PAR0 and PAR1 - * are avoided as these are the only two PARs which can be used - * as PCI BUS Memory regions which the board might require) - * - * The configuration of PAR2 must be set in the board configuration - * file as CONFIG_SYS_SC520_CAR_PAR - */ - - /* Configure Cache-As-RAM PAR */ - movl $CONFIG_SYS_SC520_CAR_PAR, %eax - movl $SC520_PAR2, %edi - movl %eax, (%edi) - - /* Trash the cache then turn it on */ - wbinvd - movl %cr0, %eax - andl $~(X86_CR0_NW | X86_CR0_CD), %eax - movl %eax, %cr0 - - /* - * The cache is now enabled and empty. Map a region of memory to - * it by reading that region. - */ - movl $CONFIG_SYS_CAR_ADDR, %esi - movl $CONFIG_SYS_CAR_SIZE, %ecx - shrl $2, %ecx /* we are reading longs */ - cld - rep lodsl - - /* Turn off the cache, but don't trash it */ - movl %cr0, %eax - orl $(X86_CR0_NW | X86_CR0_CD), %eax - movl %eax, %cr0 - - /* Clear the CAR region */ - xorl %eax, %eax - movl $CONFIG_SYS_CAR_ADDR, %edi - movl $CONFIG_SYS_CAR_SIZE, %ecx - shrl $2, %ecx /* we are writing longs */ - rep stosl - - /* - * Done - We should now have CONFIG_SYS_CAR_SIZE bytes of - * Cache-As-RAM - */ - jmp car_init_ret diff --git a/arch/i386/cpu/sc520/sc520_pci.c b/arch/i386/cpu/sc520/sc520_pci.c deleted file mode 100644 index 8cd7ffecdb..0000000000 --- a/arch/i386/cpu/sc520/sc520_pci.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <pci.h> -#include <asm/io.h> -#include <asm/pci.h> -#include <asm/ic/pci.h> -#include <asm/ic/sc520.h> - -static struct { - u8 priority; - u16 level_reg; - u8 level_bit; -} sc520_irq[] = { - { SC520_IRQ0, 0, 0x01 }, - { SC520_IRQ1, 0, 0x02 }, - { SC520_IRQ2, 1, 0x02 }, - { SC520_IRQ3, 0, 0x08 }, - { SC520_IRQ4, 0, 0x10 }, - { SC520_IRQ5, 0, 0x20 }, - { SC520_IRQ6, 0, 0x40 }, - { SC520_IRQ7, 0, 0x80 }, - - { SC520_IRQ8, 1, 0x01 }, - { SC520_IRQ9, 1, 0x02 }, - { SC520_IRQ10, 1, 0x04 }, - { SC520_IRQ11, 1, 0x08 }, - { SC520_IRQ12, 1, 0x10 }, - { SC520_IRQ13, 1, 0x20 }, - { SC520_IRQ14, 1, 0x40 }, - { SC520_IRQ15, 1, 0x80 } -}; - -/* The interrupt used for PCI INTA-INTD */ -int sc520_pci_ints[15] = { - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1 -}; - -/* utility function to configure a pci interrupt */ -int pci_sc520_set_irq(int pci_pin, int irq) -{ - int i; - u8 tmpb; - u16 tmpw; - - debug("set_irq(): map INT%c to IRQ%d\n", pci_pin + 'A', irq); - - if (irq < 0 || irq > 15) { - return -1; /* illegal irq */ - } - - if (pci_pin < 0 || pci_pin > 15) { - return -1; /* illegal pci int pin */ - } - - /* first disable any non-pci interrupt source that use - * this level */ - - /* PCI interrupt mapping (A through D)*/ - for (i=0; i<=3 ;i++) { - if (readb(&sc520_mmcr->pci_int_map[i]) == sc520_irq[irq].priority) - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[i]); - } - - /* GP IRQ interrupt mapping */ - for (i=0; i<=10 ;i++) { - if (readb(&sc520_mmcr->gp_int_map[i]) == sc520_irq[irq].priority) - writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_int_map[i]); - } - - /* Set the trigger to level */ - tmpb = readb(&sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]); - tmpb |= sc520_irq[irq].level_bit; - writeb(tmpb, &sc520_mmcr->pic_mode[sc520_irq[irq].level_reg]); - - - if (pci_pin < 4) { - /* PCI INTA-INTD */ - /* route the interrupt */ - writeb(sc520_irq[irq].priority, &sc520_mmcr->pci_int_map[pci_pin]); - } else { - /* GPIRQ0-GPIRQ10 used for additional PCI INTS */ - writeb(sc520_irq[irq].priority, &sc520_mmcr->gp_int_map[pci_pin - 4]); - - /* also set the polarity in this case */ - tmpw = readw(&sc520_mmcr->intpinpol); - tmpw |= (1 << (pci_pin-4)); - writew(tmpw, &sc520_mmcr->intpinpol); - } - - /* register the pin */ - sc520_pci_ints[pci_pin] = irq; - - - return 0; /* OK */ -} - -void pci_sc520_init(struct pci_controller *hose) -{ - hose->first_busno = 0; - hose->last_busno = 0xff; - hose->region_count = pci_set_regions(hose); - - pci_setup_type1(hose, - SC520_REG_ADDR, - SC520_REG_DATA); - - pci_register_hose(hose); - - hose->last_busno = pci_hose_scan(hose); - - /* enable target memory acceses on host brige */ - pci_write_config_word(0, PCI_COMMAND, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); -} diff --git a/arch/i386/cpu/sc520/sc520_sdram.c b/arch/i386/cpu/sc520/sc520_sdram.c deleted file mode 100644 index f3623f53f2..0000000000 --- a/arch/i386/cpu/sc520/sc520_sdram.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * (C) Copyright 2010,2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/processor-flags.h> -#include <asm/ic/sc520.h> - -DECLARE_GLOBAL_DATA_PTR; - -struct sc520_sdram_info { - u8 banks; - u8 columns; - u8 rows; - u8 size; -}; - -static void sc520_sizemem(void); -static void sc520_set_dram_timing(void); -static void sc520_set_dram_refresh_rate(void); -static void sc520_enable_dram_refresh(void); -static void sc520_enable_sdram(void); -#if CONFIG_SYS_SDRAM_ECC_ENABLE -static void sc520_enable_ecc(void) -#endif - -int dram_init_f(void) -{ - sc520_sizemem(); - sc520_set_dram_timing(); - sc520_set_dram_refresh_rate(); - sc520_enable_dram_refresh(); - sc520_enable_sdram(); -#if CONFIG_SYS_SDRAM_ECC_ENABLE - sc520_enable_ecc(); -#endif - - return 0; -} - -static inline void sc520_dummy_write(void) -{ - writew(0x0000, CACHELINESZ); -} -static inline void sc520_issue_sdram_op_mode_select(u8 command) -{ - writeb(command, &sc520_mmcr->drcctl); - sc520_dummy_write(); -} - -static inline int check_long(u32 test_long) -{ - u8 i; - u8 tmp_byte = (u8)(test_long & 0x000000ff); - - for (i = 1; i < 4; i++) { - if ((u8)((test_long >> (i * 8)) & 0x000000ff) != tmp_byte) - return -1; - } - - return 0; -} - -static inline int write_and_test(u32 data, u32 address) -{ - writel(data, address); - if (readl(address) == data) - return 0; /* Good */ - else - return -1; /* Bad */ -} - -static void sc520_enable_sdram(void) -{ - u32 par_config; - - /* Enable Writes, Caching and Code Execution to SDRAM */ - par_config = readl(&sc520_mmcr->par[3]); - par_config &= ~(SC520_PAR_EXEC_DIS | - SC520_PAR_CACHE_DIS | - SC520_PAR_WRITE_DIS); - writel(par_config, &sc520_mmcr->par[3]); - - par_config = readl(&sc520_mmcr->par[4]); - par_config &= ~(SC520_PAR_EXEC_DIS | - SC520_PAR_CACHE_DIS | - SC520_PAR_WRITE_DIS); - writel(par_config, &sc520_mmcr->par[4]); -} - -static void sc520_set_dram_timing(void) -{ - u8 drctmctl = 0x00; - -#if defined CONFIG_SYS_SDRAM_DRCTMCTL - /* just have your hardware designer _GIVE_ you what you need here! */ - drctmctl = CONFIG_SYS_SDRAM_DRCTMCTL; -#else - switch (CONFIG_SYS_SDRAM_RAS_CAS_DELAY) { - case 2: - break; - case 3: - drctmctl |= 0x01; - break; - case 4: - default: - drctmctl |= 0x02; - break; - } - - switch (CONFIG_SYS_SDRAM_PRECHARGE_DELAY) { - case 2: - break; - case 3: - drctmctl |= 0x04; - break; - case 4: - default: - drctmctl |= 0x08; - break; - - case 6: - drctmctl |= 0x0c; - break; - } - - switch (CONFIG_SYS_SDRAM_CAS_LATENCY) { - case 2: - break; - case 3: - default: - drctmctl |= 0x10; - break; - } -#endif - writeb(drctmctl, &sc520_mmcr->drctmctl); - - /* Issue load mode register command */ - sc520_issue_sdram_op_mode_select(0x03); -} - -static void sc520_set_dram_refresh_rate(void) -{ - u8 drctl; - - drctl = readb(&sc520_mmcr->drcctl); - drctl &= 0xcf; - - switch (CONFIG_SYS_SDRAM_REFRESH_RATE) { - case 78: - break; - case 156: - default: - drctl |= 0x10; - break; - case 312: - drctl |= 0x20; - break; - case 624: - drctl |= 0x30; - break; - } - - writeb(drctl, &sc520_mmcr->drcctl); -} - -static void sc520_enable_dram_refresh(void) -{ - u8 drctl; - - drctl = readb(&sc520_mmcr->drcctl); - drctl &= 0x30; /* keep refresh rate */ - drctl |= 0x08; /* enable refresh, normal mode */ - - writeb(drctl, &sc520_mmcr->drcctl); -} - -static void sc520_get_bank_info(int bank, struct sc520_sdram_info *bank_info) -{ - u32 col_data; - u32 row_data; - - u32 drcbendadr; - u16 drccfg; - - u8 banks = 0x00; - u8 columns = 0x00; - u8 rows = 0x00; - - bank_info->banks = 0x00; - bank_info->columns = 0x00; - bank_info->rows = 0x00; - bank_info->size = 0x00; - - if ((bank < 0) || (bank > 3)) { - printf("Bad Bank ID\n"); - return; - } - - /* Save configuration */ - drcbendadr = readl(&sc520_mmcr->drcbendadr); - drccfg = readw(&sc520_mmcr->drccfg); - - /* Setup SDRAM Bank to largest possible size */ - writew(0x000b << (bank * 4), &sc520_mmcr->drccfg); - - /* Set ending address for this bank */ - writel(0x000000ff << (bank * 8), &sc520_mmcr->drcbendadr); - - /* write col 11 wrap adr */ - if (write_and_test(COL11_DATA, COL11_ADR) != 0) - goto restore_and_exit; - - /* write col 10 wrap adr */ - if (write_and_test(COL10_DATA, COL10_ADR) != 0) - goto restore_and_exit; - - /* write col 9 wrap adr */ - if (write_and_test(COL09_DATA, COL09_ADR) != 0) - goto restore_and_exit; - - /* write col 8 wrap adr */ - if (write_and_test(COL08_DATA, COL08_ADR) != 0) - goto restore_and_exit; - - col_data = readl(COL11_ADR); - - /* All four bytes in the read long must be the same */ - if (check_long(col_data) < 0) - goto restore_and_exit; - - if ((col_data >= COL08_DATA) && (col_data <= COL11_DATA)) - columns = (u8)(col_data & 0x000000ff); - else - goto restore_and_exit; - - /* write row 14 wrap adr */ - if (write_and_test(ROW14_DATA, ROW14_ADR) != 0) - goto restore_and_exit; - - /* write row 13 wrap adr */ - if (write_and_test(ROW13_DATA, ROW13_ADR) != 0) - goto restore_and_exit; - - /* write row 12 wrap adr */ - if (write_and_test(ROW12_DATA, ROW12_ADR) != 0) - goto restore_and_exit; - - /* write row 11 wrap adr */ - if (write_and_test(ROW11_DATA, ROW11_ADR) != 0) - goto restore_and_exit; - - if (write_and_test(ROW10_DATA, ROW10_ADR) != 0) - goto restore_and_exit; - - /* - * read data @ row 12 wrap adr to determine number of banks, - * and read data @ row 14 wrap adr to determine number of rows. - * if data @ row 12 wrap adr is not AA, 11 or 12 we have bad RAM. - * if data @ row 12 wrap == AA, we only have 2 banks, NOT 4 - * if data @ row 12 wrap == 11 or 12, we have 4 banks, - */ - row_data = readl(ROW12_ADR); - - /* All four bytes in the read long must be the same */ - if (check_long(row_data) != 0) - goto restore_and_exit; - - switch (row_data) { - case ROW10_DATA: - banks = 2; - break; - - case ROW11_DATA: - case ROW12_DATA: - banks = 4; - break; - - default: - goto restore_and_exit; - } - - row_data = readl(ROW14_ADR); - - /* All four bytes in the read long must be the same */ - if (check_long(row_data) != 0) - goto restore_and_exit; - - switch (row_data) { - case ROW11_DATA: - case ROW12_DATA: - case ROW13_DATA: - case ROW14_DATA: - rows = (u8)(row_data & 0x000000ff); - break; - - default: - goto restore_and_exit; - } - - bank_info->banks = banks; - bank_info->columns = columns; - bank_info->rows = rows; - - if ((bank_info->banks != 0) && - (bank_info->columns != 0) && - (bank_info->rows != 0)) { - bank_info->size = bank_info->rows; - bank_info->size >>= (11 - bank_info->columns); - bank_info->size++; - } - -restore_and_exit: - /* Restore configuration */ - writel(drcbendadr, &sc520_mmcr->drcbendadr); - writew(drccfg, &sc520_mmcr->drccfg); -} - -static void sc520_setup_sizemem(void) -{ - u8 i; - - /* Disable write buffer */ - writeb(0x00, &sc520_mmcr->dbctl); - - /* Disable ECC */ - writeb(0x00, &sc520_mmcr->eccctl); - - /* Set slowest SDRAM timing */ - writeb(0x1e, &sc520_mmcr->drctmctl); - - /* Issue a NOP to all SDRAM banks */ - sc520_issue_sdram_op_mode_select(0x01); - - /* Delay for 100 microseconds */ - udelay(100); - - /* Issue 'All Banks Precharge' command */ - sc520_issue_sdram_op_mode_select(0x02); - - /* Issue 2 'Auto Refresh Enable' command */ - sc520_issue_sdram_op_mode_select(0x04); - sc520_dummy_write(); - - /* Issue 'Load Mode Register' command */ - sc520_issue_sdram_op_mode_select(0x03); - - /* Issue 8 more 'Auto Refresh Enable' commands */ - sc520_issue_sdram_op_mode_select(0x04); - for (i = 0; i < 7; i++) - sc520_dummy_write(); - - /* Set control register to 'Normal Mode' */ - writeb(0x00, &sc520_mmcr->drcctl); -} - -static void sc520_sizemem(void) -{ - struct sc520_sdram_info sdram_info[4]; - u8 bank_config = 0x00; - u8 end_addr = 0x00; - u16 drccfg = 0x0000; - u32 drcbendadr = 0x00000000; - u8 i; - - /* Use PARs to disable caching of maximum allowable 256MB SDRAM */ - writel(SC520_SDRAM1_PAR | SC520_PAR_CACHE_DIS, &sc520_mmcr->par[3]); - writel(SC520_SDRAM2_PAR | SC520_PAR_CACHE_DIS, &sc520_mmcr->par[4]); - - sc520_setup_sizemem(); - - gd->ram_size = 0; - - /* Size each SDRAM bank */ - for (i = 0; i <= 3; i++) { - sc520_get_bank_info(i, &sdram_info[i]); - - if (sdram_info[i].banks != 0) { - /* Update Configuration register */ - bank_config = sdram_info[i].columns - 8; - - if (sdram_info[i].banks == 4) - bank_config |= 0x08; - - drccfg |= bank_config << (i * 4); - - /* Update End Address register */ - end_addr += sdram_info[i].size; - drcbendadr |= (end_addr | 0x80) << (i * 8); - - gd->ram_size += sdram_info[i].size << 22; - } - - /* Issue 'All Banks Precharge' command */ - sc520_issue_sdram_op_mode_select(0x02); - - /* Set control register to 'Normal Mode' */ - writeb(0x00, &sc520_mmcr->drcctl); - } - - writel(drcbendadr, &sc520_mmcr->drcbendadr); - writew(drccfg, &sc520_mmcr->drccfg); - - /* Clear PARs preventing caching of SDRAM */ - writel(0x00000000, &sc520_mmcr->par[3]); - writel(0x00000000, &sc520_mmcr->par[4]); -} - -#if CONFIG_SYS_SDRAM_ECC_ENABLE -static void sc520_enable_ecc(void) - - /* A nominal memory test: just a byte at each address line */ - movl %eax, %ecx - shrl $0x1, %ecx - movl $0x1, %edi -memtest0: - movb $0xa5, (%edi) - cmpb $0xa5, (%edi) - jne out - shrl $0x1, %ecx - andl %ecx, %ecx - jz set_ecc - shll $0x1, %edi - jmp memtest0 - -set_ecc: - /* clear all ram with a memset */ - movl %eax, %ecx - xorl %esi, %esi - xorl %edi, %edi - xorl %eax, %eax - shrl $0x2, %ecx - cld - rep stosl - - /* enable read, write buffers */ - movb $0x11, %al - movl $DBCTL, %edi - movb %al, (%edi) - - /* enable NMI mapping for ECC */ - movl $ECCINT, %edi - movb $0x10, %al - movb %al, (%edi) - - /* Turn on ECC */ - movl $ECCCTL, %edi - movb $0x05, %al - movb %al,(%edi) - -out: - jmp init_ecc_ret -} -#endif - -int dram_init(void) -{ - ulong dram_ctrl; - ulong dram_present = 0x00000000; - - /* - * We read-back the configuration of the dram - * controller that the assembly code wrote - */ - dram_ctrl = readl(&sc520_mmcr->drcbendadr); - - gd->bd->bi_dram[0].start = 0; - if (dram_ctrl & 0x80) { - /* bank 0 enabled */ - gd->bd->bi_dram[1].start = (dram_ctrl & 0x7f) << 22; - dram_present = gd->bd->bi_dram[1].start; - gd->bd->bi_dram[0].size = gd->bd->bi_dram[1].start; - } else { - gd->bd->bi_dram[0].size = 0; - gd->bd->bi_dram[1].start = gd->bd->bi_dram[0].start; - } - - if (dram_ctrl & 0x8000) { - /* bank 1 enabled */ - gd->bd->bi_dram[2].start = (dram_ctrl & 0x7f00) << 14; - dram_present = gd->bd->bi_dram[2].start; - gd->bd->bi_dram[1].size = gd->bd->bi_dram[2].start - - gd->bd->bi_dram[1].start; - } else { - gd->bd->bi_dram[1].size = 0; - gd->bd->bi_dram[2].start = gd->bd->bi_dram[1].start; - } - - if (dram_ctrl & 0x800000) { - /* bank 2 enabled */ - gd->bd->bi_dram[3].start = (dram_ctrl & 0x7f0000) << 6; - dram_present = gd->bd->bi_dram[3].start; - gd->bd->bi_dram[2].size = gd->bd->bi_dram[3].start - - gd->bd->bi_dram[2].start; - } else { - gd->bd->bi_dram[2].size = 0; - gd->bd->bi_dram[3].start = gd->bd->bi_dram[2].start; - } - - if (dram_ctrl & 0x80000000) { - /* bank 3 enabled */ - dram_present = (dram_ctrl & 0x7f000000) >> 2; - gd->bd->bi_dram[3].size = dram_present - - gd->bd->bi_dram[3].start; - } else { - gd->bd->bi_dram[3].size = 0; - } - - gd->ram_size = dram_present; - - return 0; -} diff --git a/arch/i386/cpu/sc520/sc520_ssi.c b/arch/i386/cpu/sc520/sc520_ssi.c deleted file mode 100644 index ac58d25970..0000000000 --- a/arch/i386/cpu/sc520/sc520_ssi.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/ic/ssi.h> -#include <asm/ic/sc520.h> - -int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase) -{ - u8 temp=0; - - if (freq >= 8192) { - temp |= CTL_CLK_SEL_4; - } else if (freq >= 4096) { - temp |= CTL_CLK_SEL_8; - } else if (freq >= 2048) { - temp |= CTL_CLK_SEL_16; - } else if (freq >= 1024) { - temp |= CTL_CLK_SEL_32; - } else if (freq >= 512) { - temp |= CTL_CLK_SEL_64; - } else if (freq >= 256) { - temp |= CTL_CLK_SEL_128; - } else if (freq >= 128) { - temp |= CTL_CLK_SEL_256; - } else { - temp |= CTL_CLK_SEL_512; - } - - if (!lsb_first) { - temp |= MSBF_ENB; - } - - if (inv_clock) { - temp |= CLK_INV_ENB; - } - - if (inv_phase) { - temp |= PHS_INV_ENB; - } - - writeb(temp, &sc520_mmcr->ssictl); - - return 0; -} - -u8 ssi_txrx_byte(u8 data) -{ - writeb(data, &sc520_mmcr->ssixmit); - while (readb(&sc520_mmcr->ssista) & SSISTA_BSY); - writeb(SSICMD_CMD_SEL_XMITRCV, &sc520_mmcr->ssicmd); - while (readb(&sc520_mmcr->ssista) & SSISTA_BSY); - - return readb(&sc520_mmcr->ssircv); -} - -void ssi_tx_byte(u8 data) -{ - writeb(data, &sc520_mmcr->ssixmit); - while (readb(&sc520_mmcr->ssista) & SSISTA_BSY); - writeb(SSICMD_CMD_SEL_XMIT, &sc520_mmcr->ssicmd); -} - -u8 ssi_rx_byte(void) -{ - while (readb(&sc520_mmcr->ssista) & SSISTA_BSY); - writeb(SSICMD_CMD_SEL_RCV, &sc520_mmcr->ssicmd); - while (readb(&sc520_mmcr->ssista) & SSISTA_BSY); - - return readb(&sc520_mmcr->ssircv); -} diff --git a/arch/i386/cpu/sc520/sc520_timer.c b/arch/i386/cpu/sc520/sc520_timer.c deleted file mode 100644 index 1bcfe67c94..0000000000 --- a/arch/i386/cpu/sc520/sc520_timer.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/interrupt.h> -#include <asm/ic/sc520.h> - -void sc520_timer_isr(void) -{ - /* Ack the GP Timer Interrupt */ - writeb(0x02, &sc520_mmcr->gptmrsta); -} - -int timer_init(void) -{ - /* Register the SC520 specific timer interrupt handler */ - register_timer_isr (sc520_timer_isr); - - /* Install interrupt handler for GP Timer 1 */ - irq_install_handler (0, timer_isr, NULL); - - /* Map GP Timer 1 to Master PIC IR0 */ - writeb(0x01, &sc520_mmcr->gp_tmr_int_map[1]); - - /* Disable GP Timers 1 & 2 - Allow configuration writes */ - writew(0x4000, &sc520_mmcr->gptmr1ctl); - writew(0x4000, &sc520_mmcr->gptmr2ctl); - - /* Reset GP Timers 1 & 2 */ - writew(0x0000, &sc520_mmcr->gptmr1cnt); - writew(0x0000, &sc520_mmcr->gptmr2cnt); - - /* Setup GP Timer 2 as a 100kHz (10us) prescaler */ - writew(83, &sc520_mmcr->gptmr2maxcmpa); - writew(0xc001, &sc520_mmcr->gptmr2ctl); - - /* Setup GP Timer 1 as a 1000 Hz (1ms) interrupt generator */ - writew(100, &sc520_mmcr->gptmr1maxcmpa); - writew(0xe009, &sc520_mmcr->gptmr1ctl); - - unmask_irq (0); - - /* Clear the GP Timer 1 status register to get the show rolling*/ - writeb(0x02, &sc520_mmcr->gptmrsta); - - return 0; -} - -/* Allow boards to override udelay implementation */ -void __udelay(unsigned long usec) - __attribute__((weak, alias("sc520_udelay"))); - -void sc520_udelay(unsigned long usec) -{ - int m = 0; - long u; - long temp; - - temp = readw(&sc520_mmcr->swtmrmilli); - temp = readw(&sc520_mmcr->swtmrmicro); - - do { - m += readw(&sc520_mmcr->swtmrmilli); - u = readw(&sc520_mmcr->swtmrmicro) + (m * 1000); - } while (u < usec); -} diff --git a/arch/i386/cpu/start.S b/arch/i386/cpu/start.S deleted file mode 100644 index 2124a42c9d..0000000000 --- a/arch/i386/cpu/start.S +++ /dev/null @@ -1,132 +0,0 @@ -/* - * U-boot - i386 Startup Code - * - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <version.h> -#include <asm/global_data.h> -#include <asm/processor-flags.h> - -.section .text -.code32 -.globl _start -.type _start, @function -.globl _i386boot_start -_i386boot_start: - /* - * This is the fail safe 32-bit bootstrap entry point. The - * following code is not executed from a cold-reset (actually, a - * lot of it is, but from real-mode after cold reset. It is - * repeated here to put the board into a state as close to cold - * reset as necessary) - */ - cli - cld - - /* Turn of cache (this might require a 486-class CPU) */ - movl %cr0, %eax - orl $(X86_CR0_NW | X86_CR0_CD), %eax - movl %eax, %cr0 - wbinvd - - /* Tell 32-bit code it is being entered from an in-RAM copy */ - movw $GD_FLG_WARM_BOOT, %bx -_start: - /* This is the 32-bit cold-reset entry point */ - - /* Load the segement registes to match the gdt loaded in start16.S */ - movl $0x18, %eax - movw %ax, %fs - movw %ax, %ds - movw %ax, %gs - movw %ax, %es - movw %ax, %ss - - /* Clear the interupt vectors */ - lidt blank_idt_ptr - - /* Early platform init (setup gpio, etc ) */ - jmp early_board_init -.globl early_board_init_ret -early_board_init_ret: - - /* Initialise Cache-As-RAM */ - jmp car_init -.globl car_init_ret -car_init_ret: - /* - * We now have CONFIG_SYS_CAR_SIZE bytes of Cache-As-RAM (or SRAM, - * or fully initialised SDRAM - we really don't care which) - * starting at CONFIG_SYS_CAR_ADDR to be used as a temporary stack - */ - movl $CONFIG_SYS_INIT_SP_ADDR, %esp - - /* Set parameter to board_init_f() to boot flags */ - xorl %eax, %eax - movw %bx, %ax - - /* Enter, U-boot! */ - call board_init_f - - /* indicate (lack of) progress */ - movw $0x85, %ax - jmp die - -.globl relocate_code -.type relocate_code, @function -relocate_code: - /* - * SDRAM has been initialised, U-Boot code has been copied into - * RAM, BSS has been cleared and relocation adjustments have been - * made. It is now time to jump into the in-RAM copy of U-Boot - * - * %eax = Address of top of stack - * %edx = Address of Global Data - * %ecx = Base address of in-RAM copy of U-Boot - */ - - /* Setup stack in RAM */ - movl %eax, %esp - - /* Setup call address of in-RAM copy of board_init_r() */ - movl $board_init_r, %ebp - addl (GD_RELOC_OFF * 4)(%edx), %ebp - - /* Setup parameters to board_init_r() */ - movl %edx, %eax - movl %ecx, %edx - - /* Jump to in-RAM copy of board_init_r() */ - call *%ebp - -die: hlt - jmp die - hlt - -blank_idt_ptr: - .word 0 /* limit */ - .long 0 /* base */ diff --git a/arch/i386/cpu/start16.S b/arch/i386/cpu/start16.S deleted file mode 100644 index d2e5d136fa..0000000000 --- a/arch/i386/cpu/start16.S +++ /dev/null @@ -1,113 +0,0 @@ -/* - * U-boot - i386 Startup Code - * - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002,2003 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/global_data.h> -#include <asm/processor-flags.h> - -#define BOOT_SEG 0xffff0000 /* linear segment of boot code */ -#define a32 .byte 0x67; -#define o32 .byte 0x66; - -.section .start16, "ax" -.code16 -.globl start16 -start16: - /* Set the Cold Boot / Hard Reset flag */ - movl $GD_FLG_COLD_BOOT, %ebx - - /* - * First we let the BSP do some early initialization - * this code have to map the flash to its final position - */ - jmp board_init16 -.globl board_init16_ret -board_init16_ret: - - /* Turn of cache (this might require a 486-class CPU) */ - movl %cr0, %eax - orl $(X86_CR0_NW & X86_CR0_CD), %eax - movl %eax, %cr0 - wbinvd - - /* load the temporary Global Descriptor Table */ -o32 cs lidt idt_ptr -o32 cs lgdt gdt_ptr - - /* Now, we enter protected mode */ - movl %cr0, %eax - orl $X86_CR0_PE, %eax - movl %eax, %cr0 - - /* Flush the prefetch queue */ - jmp ff -ff: - /* Finally jump to the 32bit initialization code */ - movw $code32start, %ax - movw %ax, %bp -o32 cs ljmp *(%bp) - - /* 48-bit far pointer */ -code32start: - .long _start /* offset */ - .word 0x10 /* segment */ - -idt_ptr: - .word 0 /* limit */ - .long 0 /* base */ - -/* - * The following Global Descriptor Table is just enough to get us into - * 'Flat Protected Mode' - It will be discarded as soon as the final - * GDT is setup in a safe location in RAM - */ -gdt_ptr: - .word 0x20 /* limit (32 bytes = 4 GDT entries) */ - .long BOOT_SEG + gdt /* base */ - - /* The GDT table ... - * - * Selector Type - * 0x00 NULL - * 0x08 Unused - * 0x10 32bit code - * 0x18 32bit data/stack - */ - -gdt: - .word 0, 0, 0, 0 /* NULL */ - .word 0, 0, 0, 0 /* unused */ - - .word 0xFFFF /* 4Gb - (0x100000*0x1000 = 4Gb) */ - .word 0 /* base address = 0 */ - .word 0x9B00 /* code read/exec */ - .word 0x00CF /* granularity = 4096, 386 (+5th nibble of limit) */ - - .word 0xFFFF /* 4Gb - (0x100000*0x1000 = 4Gb) */ - .word 0x0 /* base address = 0 */ - .word 0x9300 /* data read/write */ - .word 0x00CF /* granularity = 4096, 386 (+5th nibble of limit) */ diff --git a/arch/i386/cpu/u-boot.lds b/arch/i386/cpu/u-boot.lds deleted file mode 100644 index 55974228b5..0000000000 --- a/arch/i386/cpu/u-boot.lds +++ /dev/null @@ -1,97 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) - -SECTIONS -{ - . = CONFIG_SYS_TEXT_BASE; /* Location of bootcode in flash */ - __text_start = .; - .text : { *(.text*); } - - . = ALIGN(4); - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - . = ALIGN(4); - __u_boot_cmd_end = .; - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = ALIGN(4); - .data : { *(.data*) } - - . = ALIGN(4); - .dynsym : { *(.dynsym*) } - - . = ALIGN(4); - .hash : { *(.hash*) } - - . = ALIGN(4); - .got : { *(.got*) } - - . = ALIGN(4); - __data_end = .; - - . = ALIGN(4); - __bss_start = ABSOLUTE(.); - .bss (NOLOAD) : { *(.bss) } - . = ALIGN(4); - __bss_end = ABSOLUTE(.); - - . = ALIGN(4); - __rel_dyn_start = .; - .rel.dyn : { *(.rel.dyn) } - __rel_dyn_end = .; - - /DISCARD/ : { *(.dynstr*) } - /DISCARD/ : { *(.dynamic*) } - /DISCARD/ : { *(.plt*) } - /DISCARD/ : { *(.interp*) } - /DISCARD/ : { *(.gnu*) } - - /* 16bit realmode trampoline code */ - .realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) } - - __realmode_start = LOADADDR(.realmode); - __realmode_size = SIZEOF(.realmode); - - /* 16bit BIOS emulation code (just enough to boot Linux) */ - .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) } - - __bios_start = LOADADDR(.bios); - __bios_size = SIZEOF(.bios); - - /* - * The following expressions place the 16-bit Real-Mode code and - * Reset Vector at the end of the Flash ROM - */ - . = START_16; - .start16 : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + START_16)) { KEEP(*(.start16)); } - - . = RESET_VEC_LOC; - .resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); } -} diff --git a/arch/i386/include/asm/bitops.h b/arch/i386/include/asm/bitops.h deleted file mode 100644 index c7a38f237a..0000000000 --- a/arch/i386/include/asm/bitops.h +++ /dev/null @@ -1,384 +0,0 @@ -#ifndef _I386_BITOPS_H -#define _I386_BITOPS_H - -/* - * Copyright 1992, Linus Torvalds. - */ - - -/* - * These have to be done with inline assembly: that way the bit-setting - * is guaranteed to be atomic. All bit operations return 0 if the bit - * was cleared before the operation and != 0 if it was not. - * - * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). - */ - -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif - -#define ADDR (*(volatile long *) addr) - -/** - * set_bit - Atomically set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * This function is atomic and may not be reordered. See __set_bit() - * if you do not require the atomic guarantees. - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static __inline__ void set_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btsl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * __set_bit - Set a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike set_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __set_bit(int nr, volatile void * addr) -{ - __asm__( - "btsl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * clear_bit - Clears a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * clear_bit() is atomic and may not be reordered. However, it does - * not contain a memory barrier, so if it is used for locking purposes, - * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() - * in order to ensure changes are visible on other processors. - */ -static __inline__ void clear_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btrl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - -/** - * __change_bit - Toggle a bit in memory - * @nr: the bit to set - * @addr: the address to start counting from - * - * Unlike change_bit(), this function is non-atomic and may be reordered. - * If it's called on the same region of memory simultaneously, the effect - * may be that only one operation succeeds. - */ -static __inline__ void __change_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( - "btcl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * change_bit - Toggle a bit in memory - * @nr: Bit to clear - * @addr: Address to start counting from - * - * change_bit() is atomic and may not be reordered. - * Note that @nr may be almost arbitrarily large; this function is not - * restricted to acting on a single-word quantity. - */ -static __inline__ void change_bit(int nr, volatile void * addr) -{ - __asm__ __volatile__( LOCK_PREFIX - "btcl %1,%0" - :"=m" (ADDR) - :"Ir" (nr)); -} - -/** - * test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_set_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * __test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_set_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__( - "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr)); - return oldbit; -} - -/** - * test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_clear_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * __test_and_clear_bit - Clear a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is non-atomic and can be reordered. - * If two examples of this operation race, one can appear to succeed - * but actually fail. You must protect multiple accesses with a lock. - */ -static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__( - "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr)); - return oldbit; -} - -/* WARNING: non atomic and it can be reordered! */ -static __inline__ int __test_and_change_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( - "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -/** - * test_and_change_bit - Change a bit and return its new value - * @nr: Bit to set - * @addr: Address to count from - * - * This operation is atomic and cannot be reordered. - * It also implies a memory barrier. - */ -static __inline__ int test_and_change_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( LOCK_PREFIX - "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"=m" (ADDR) - :"Ir" (nr) : "memory"); - return oldbit; -} - -#if 0 /* Fool kernel-doc since it doesn't do macros yet */ -/** - * test_bit - Determine whether a bit is set - * @nr: bit number to test - * @addr: Address to start counting from - */ -static int test_bit(int nr, const volatile void * addr); -#endif - -static __inline__ int constant_test_bit(int nr, const volatile void * addr) -{ - return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0; -} - -static __inline__ int variable_test_bit(int nr, volatile void * addr) -{ - int oldbit; - - __asm__ __volatile__( - "btl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit) - :"m" (ADDR),"Ir" (nr)); - return oldbit; -} - -#define test_bit(nr,addr) \ -(__builtin_constant_p(nr) ? \ - constant_test_bit((nr),(addr)) : \ - variable_test_bit((nr),(addr))) - -/** - * find_first_zero_bit - find the first zero bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit-number of the first zero bit, not the number of the byte - * containing a bit. - */ -static __inline__ int find_first_zero_bit(void * addr, unsigned size) -{ - int d0, d1, d2; - int res; - - if (!size) - return 0; - /* This looks at memory. Mark it volatile to tell gcc not to move it around */ - __asm__ __volatile__( - "movl $-1,%%eax\n\t" - "xorl %%edx,%%edx\n\t" - "repe; scasl\n\t" - "je 1f\n\t" - "xorl -4(%%edi),%%eax\n\t" - "subl $4,%%edi\n\t" - "bsfl %%eax,%%edx\n" - "1:\tsubl %%ebx,%%edi\n\t" - "shll $3,%%edi\n\t" - "addl %%edi,%%edx" - :"=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2) - :"1" ((size + 31) >> 5), "2" (addr), "b" (addr)); - return res; -} - -/** - * find_next_zero_bit - find the first zero bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The maximum size to search - */ -static __inline__ int find_next_zero_bit (void * addr, int size, int offset) -{ - unsigned long * p = ((unsigned long *) addr) + (offset >> 5); - int set = 0, bit = offset & 31, res; - - if (bit) { - /* - * Look for zero in first byte - */ - __asm__("bsfl %1,%0\n\t" - "jne 1f\n\t" - "movl $32, %0\n" - "1:" - : "=r" (set) - : "r" (~(*p >> bit))); - if (set < (32 - bit)) - return set + offset; - set = 32 - bit; - p++; - } - /* - * No zero yet, search remaining full bytes for a zero - */ - res = find_first_zero_bit (p, size - 32 * (p - (unsigned long *) addr)); - return (offset + set + res); -} - -/** - * ffz - find first zero in word. - * @word: The word to search - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ -static __inline__ unsigned long ffz(unsigned long word) -{ - __asm__("bsfl %1,%0" - :"=r" (word) - :"r" (~word)); - return word; -} - -#ifdef __KERNEL__ - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static __inline__ int ffs(int x) -{ - int r; - - __asm__("bsfl %1,%0\n\t" - "jnz 1f\n\t" - "movl $-1,%0\n" - "1:" : "=r" (r) : "g" (x)); - return r+1; -} -#define PLATFORM_FFS - -/** - * hweightN - returns the hamming weight of a N-bit word - * @x: the word to weigh - * - * The Hamming Weight of a number is the total number of bits set in it. - */ - -#define hweight32(x) generic_hweight32(x) -#define hweight16(x) generic_hweight16(x) -#define hweight8(x) generic_hweight8(x) - -#endif /* __KERNEL__ */ - -#ifdef __KERNEL__ - -#define ext2_set_bit __test_and_set_bit -#define ext2_clear_bit __test_and_clear_bit -#define ext2_test_bit test_bit -#define ext2_find_first_zero_bit find_first_zero_bit -#define ext2_find_next_zero_bit find_next_zero_bit - -/* Bitmap functions for the minix filesystem. */ -#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,addr) -#define minix_set_bit(nr,addr) __set_bit(nr,addr) -#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,addr) -#define minix_test_bit(nr,addr) test_bit(nr,addr) -#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) - -#endif /* __KERNEL__ */ - -#endif /* _I386_BITOPS_H */ diff --git a/arch/i386/include/asm/bootparam.h b/arch/i386/include/asm/bootparam.h deleted file mode 100644 index 140095117e..0000000000 --- a/arch/i386/include/asm/bootparam.h +++ /dev/null @@ -1,120 +0,0 @@ -#ifndef _ASM_X86_BOOTPARAM_H -#define _ASM_X86_BOOTPARAM_H - -#include <linux/types.h> -#include <linux/screen_info.h> -#include <linux/apm_bios.h> -#include <linux/edd.h> -#include <asm/e820.h> -#include <asm/ist.h> -#include <asm/video/edid.h> - -/* setup data types */ -#define SETUP_NONE 0 -#define SETUP_E820_EXT 1 - -/* extensible setup data list node */ -struct setup_data { - __u64 next; - __u32 type; - __u32 len; - __u8 data[0]; -}; - -struct setup_header { - __u8 setup_sects; - __u16 root_flags; - __u32 syssize; - __u16 ram_size; -#define RAMDISK_IMAGE_START_MASK 0x07FF -#define RAMDISK_PROMPT_FLAG 0x8000 -#define RAMDISK_LOAD_FLAG 0x4000 - __u16 vid_mode; - __u16 root_dev; - __u16 boot_flag; - __u16 jump; - __u32 header; - __u16 version; - __u32 realmode_swtch; - __u16 start_sys; - __u16 kernel_version; - __u8 type_of_loader; - __u8 loadflags; -#define LOADED_HIGH (1<<0) -#define QUIET_FLAG (1<<5) -#define KEEP_SEGMENTS (1<<6) -#define CAN_USE_HEAP (1<<7) - __u16 setup_move_size; - __u32 code32_start; - __u32 ramdisk_image; - __u32 ramdisk_size; - __u32 bootsect_kludge; - __u16 heap_end_ptr; - __u8 ext_loader_ver; - __u8 ext_loader_type; - __u32 cmd_line_ptr; - __u32 initrd_addr_max; - __u32 kernel_alignment; - __u8 relocatable_kernel; - __u8 _pad2[3]; - __u32 cmdline_size; - __u32 hardware_subarch; - __u64 hardware_subarch_data; - __u32 payload_offset; - __u32 payload_length; - __u64 setup_data; -} __attribute__((packed)); - -struct sys_desc_table { - __u16 length; - __u8 table[14]; -}; - -struct efi_info { - __u32 efi_loader_signature; - __u32 efi_systab; - __u32 efi_memdesc_size; - __u32 efi_memdesc_version; - __u32 efi_memmap; - __u32 efi_memmap_size; - __u32 efi_systab_hi; - __u32 efi_memmap_hi; -}; - -/* The so-called "zeropage" */ -struct boot_params { - struct screen_info screen_info; /* 0x000 */ - struct apm_bios_info apm_bios_info; /* 0x040 */ - __u8 _pad2[4]; /* 0x054 */ - __u64 tboot_addr; /* 0x058 */ - struct ist_info ist_info; /* 0x060 */ - __u8 _pad3[16]; /* 0x070 */ - __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ - __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ - struct sys_desc_table sys_desc_table; /* 0x0a0 */ - __u8 _pad4[144]; /* 0x0b0 */ - struct edid_info edid_info; /* 0x140 */ - struct efi_info efi_info; /* 0x1c0 */ - __u32 alt_mem_k; /* 0x1e0 */ - __u32 scratch; /* Scratch field! */ /* 0x1e4 */ - __u8 e820_entries; /* 0x1e8 */ - __u8 eddbuf_entries; /* 0x1e9 */ - __u8 edd_mbr_sig_buf_entries; /* 0x1ea */ - __u8 _pad6[6]; /* 0x1eb */ - struct setup_header hdr; /* setup header */ /* 0x1f1 */ - __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; - __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ - struct e820entry e820_map[E820MAX]; /* 0x2d0 */ - __u8 _pad8[48]; /* 0xcd0 */ - struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ - __u8 _pad9[276]; /* 0xeec */ -} __attribute__((packed)); - -enum { - X86_SUBARCH_PC = 0, - X86_SUBARCH_LGUEST, - X86_SUBARCH_XEN, - X86_SUBARCH_MRST, - X86_NR_SUBARCHS, -}; -#endif /* _ASM_X86_BOOTPARAM_H */ diff --git a/arch/i386/include/asm/byteorder.h b/arch/i386/include/asm/byteorder.h deleted file mode 100644 index 7dfeb8bbed..0000000000 --- a/arch/i386/include/asm/byteorder.h +++ /dev/null @@ -1,43 +0,0 @@ -#ifndef _I386_BYTEORDER_H -#define _I386_BYTEORDER_H - -#include <asm/types.h> - -#ifdef __GNUC__ - - -static __inline__ __u32 ___arch__swab32(__u32 x) -{ -#ifdef CONFIG_X86_BSWAP - __asm__("bswap %0" : "=r" (x) : "0" (x)); -#else - __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */ - "rorl $16,%0\n\t" /* swap words */ - "xchgb %b0,%h0" /* swap higher bytes */ - :"=q" (x) - : "0" (x)); -#endif - return x; -} - -static __inline__ __u16 ___arch__swab16(__u16 x) -{ - __asm__("xchgb %b0,%h0" /* swap bytes */ \ - : "=q" (x) \ - : "0" (x)); \ - return x; -} - -#define __arch__swab32(x) ___arch__swab32(x) -#define __arch__swab16(x) ___arch__swab16(x) - -#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) -# define __BYTEORDER_HAS_U64__ -# define __SWAB_64_THRU_32__ -#endif - -#endif /* __GNUC__ */ - -#include <linux/byteorder/little_endian.h> - -#endif /* _I386_BYTEORDER_H */ diff --git a/arch/i386/include/asm/config.h b/arch/i386/include/asm/config.h deleted file mode 100644 index 049c44eaf8..0000000000 --- a/arch/i386/include/asm/config.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright 2009 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - */ - -#ifndef _ASM_CONFIG_H_ -#define _ASM_CONFIG_H_ - -#endif diff --git a/arch/i386/include/asm/e820.h b/arch/i386/include/asm/e820.h deleted file mode 100644 index d155ce9cee..0000000000 --- a/arch/i386/include/asm/e820.h +++ /dev/null @@ -1,155 +0,0 @@ -#ifndef _ASM_X86_E820_H -#define _ASM_X86_E820_H -#define E820MAP 0x2d0 /* our map */ -#define E820MAX 128 /* number of entries in E820MAP */ - -/* - * Legacy E820 BIOS limits us to 128 (E820MAX) nodes due to the - * constrained space in the zeropage. If we have more nodes than - * that, and if we've booted off EFI firmware, then the EFI tables - * passed us from the EFI firmware can list more nodes. Size our - * internal memory map tables to have room for these additional - * nodes, based on up to three entries per node for which the - * kernel was built: MAX_NUMNODES == (1 << CONFIG_NODES_SHIFT), - * plus E820MAX, allowing space for the possible duplicate E820 - * entries that might need room in the same arrays, prior to the - * call to sanitize_e820_map() to remove duplicates. The allowance - * of three memory map entries per node is "enough" entries for - * the initial hardware platform motivating this mechanism to make - * use of additional EFI map entries. Future platforms may want - * to allow more than three entries per node or otherwise refine - * this size. - */ - -/* - * Odd: 'make headers_check' complains about numa.h if I try - * to collapse the next two #ifdef lines to a single line: - * #if defined(__KERNEL__) && defined(CONFIG_EFI) - */ -#ifdef __KERNEL__ -#ifdef CONFIG_EFI -#include <linux/numa.h> -#define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES) -#else /* ! CONFIG_EFI */ -#define E820_X_MAX E820MAX -#endif -#else /* ! __KERNEL__ */ -#define E820_X_MAX E820MAX -#endif - -#define E820NR 0x1e8 /* # entries in E820MAP */ - -#define E820_RAM 1 -#define E820_RESERVED 2 -#define E820_ACPI 3 -#define E820_NVS 4 -#define E820_UNUSABLE 5 - -/* reserved RAM used by kernel itself */ -#define E820_RESERVED_KERN 128 - -#ifndef __ASSEMBLY__ -#include <linux/types.h> -struct e820entry { - __u64 addr; /* start of memory segment */ - __u64 size; /* size of memory segment */ - __u32 type; /* type of memory segment */ -} __attribute__((packed)); - -struct e820map { - __u32 nr_map; - struct e820entry map[E820_X_MAX]; -}; - -#define ISA_START_ADDRESS 0xa0000 -#define ISA_END_ADDRESS 0x100000 - -#define BIOS_BEGIN 0x000a0000 -#define BIOS_END 0x00100000 - -#ifdef __KERNEL__ -/* see comment in arch/x86/kernel/e820.c */ -extern struct e820map e820; -extern struct e820map e820_saved; - -extern unsigned long pci_mem_start; -extern int e820_any_mapped(u64 start, u64 end, unsigned type); -extern int e820_all_mapped(u64 start, u64 end, unsigned type); -extern void e820_add_region(u64 start, u64 size, int type); -extern void e820_print_map(char *who); -extern int -sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, u32 *pnr_map); -extern u64 e820_update_range(u64 start, u64 size, unsigned old_type, - unsigned new_type); -extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type, - int checktype); -extern void update_e820(void); -extern void e820_setup_gap(void); -extern int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize, - unsigned long start_addr, unsigned long long end_addr); -struct setup_data; -extern void parse_e820_ext(struct setup_data *data, unsigned long pa_data); - -#if defined(CONFIG_X86_64) || \ - (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION)) -extern void e820_mark_nosave_regions(unsigned long limit_pfn); -#else -static inline void e820_mark_nosave_regions(unsigned long limit_pfn) -{ -} -#endif - -#ifdef CONFIG_MEMTEST -extern void early_memtest(unsigned long start, unsigned long end); -#else -static inline void early_memtest(unsigned long start, unsigned long end) -{ -} -#endif - -extern unsigned long end_user_pfn; - -extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align); -extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align); -extern void reserve_early(u64 start, u64 end, char *name); -extern void reserve_early_overlap_ok(u64 start, u64 end, char *name); -extern void free_early(u64 start, u64 end); -extern void early_res_to_bootmem(u64 start, u64 end); -extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align); - -extern unsigned long e820_end_of_ram_pfn(void); -extern unsigned long e820_end_of_low_ram_pfn(void); -extern int e820_find_active_region(const struct e820entry *ei, - unsigned long start_pfn, - unsigned long last_pfn, - unsigned long *ei_startpfn, - unsigned long *ei_endpfn); -extern void e820_register_active_regions(int nid, unsigned long start_pfn, - unsigned long end_pfn); -extern u64 e820_hole_size(u64 start, u64 end); -extern void finish_e820_parsing(void); -extern void e820_reserve_resources(void); -extern void e820_reserve_resources_late(void); -extern void setup_memory_map(void); -extern char *default_machine_specific_memory_setup(void); - -/* - * Returns true iff the specified range [s,e) is completely contained inside - * the ISA region. - */ -/* -static inline bool is_ISA_range(u64 s, u64 e) -{ - return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS; -} -*/ -#endif /* __KERNEL__ */ -#endif /* __ASSEMBLY__ */ - -#ifdef __KERNEL__ -/* #include <linux/ioport.h> */ - -#define HIGH_MEMORY (1024*1024) -#endif /* __KERNEL__ */ - -#endif /* _ASM_X86_E820_H */ diff --git a/arch/i386/include/asm/errno.h b/arch/i386/include/asm/errno.h deleted file mode 100644 index 4c82b503d9..0000000000 --- a/arch/i386/include/asm/errno.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/errno.h> diff --git a/arch/i386/include/asm/global_data.h b/arch/i386/include/asm/global_data.h deleted file mode 100644 index f8a16d646f..0000000000 --- a/arch/i386/include/asm/global_data.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * (C) Copyright 2002-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_GBL_DATA_H -#define __ASM_GBL_DATA_H -/* - * The following data structure is placed in some memory wich is - * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or - * some locked parts of the data cache) to allow for a minimum set of - * global variables during system initialization (until we have set - * up the memory controller so that we can use RAM). - * - * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) - */ - -#ifndef __ASSEMBLY__ - -typedef struct global_data { - bd_t *bd; - unsigned long flags; - unsigned long baudrate; - unsigned long have_console; /* serial_init() was called */ - unsigned long reloc_off; /* Relocation Offset */ - unsigned long load_off; /* Load Offset */ - unsigned long env_addr; /* Address of Environment struct */ - unsigned long env_valid; /* Checksum of Environment valid? */ - unsigned long cpu_clk; /* CPU clock in Hz! */ - unsigned long bus_clk; - unsigned long relocaddr; /* Start address of U-Boot in RAM */ - unsigned long start_addr_sp; /* start_addr_stackpointer */ - phys_size_t ram_size; /* RAM size */ - unsigned long reset_status; /* reset status register at boot */ - void **jt; /* jump table */ - char env_buf[32]; /* buffer for getenv() before reloc. */ -} gd_t; - -extern gd_t *gd; - -#endif - -/* Word Offsets into Global Data - MUST match struct gd_t */ -#define GD_BD 0 -#define GD_FLAGS 1 -#define GD_BAUDRATE 2 -#define GD_HAVE_CONSOLE 3 -#define GD_RELOC_OFF 4 -#define GD_LOAD_OFF 5 -#define GD_ENV_ADDR 6 -#define GD_ENV_VALID 7 -#define GD_CPU_CLK 8 -#define GD_BUS_CLK 9 -#define GD_RELOC_ADDR 10 -#define GD_START_ADDR_SP 11 -#define GD_RAM_SIZE 12 -#define GD_RESET_STATUS 13 -#define GD_JT 14 - -#define GD_SIZE 15 - -/* - * Global Data Flags - */ -#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ -#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ -#define GD_FLG_SILENT 0x00004 /* Silent mode */ -#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ -#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ -#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ -#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ -#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */ -#define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */ -#define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */ - -#if 0 -#define DECLARE_GLOBAL_DATA_PTR -#else -#define XTRN_DECLARE_GLOBAL_DATA_PTR extern -#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ -gd_t *gd -#endif - -#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/i386/include/asm/i8254.h b/arch/i386/include/asm/i8254.h deleted file mode 100644 index aafdfb8060..0000000000 --- a/arch/i386/include/asm/i8254.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - - -/* i8254.h Intel 8254 PIT registers */ - - -#ifndef _ASMI386_I8254_H_ -#define _ASMI386_I8954_H_ 1 - - -#define PIT_T0 0x00 /* PIT channel 0 count/status */ -#define PIT_T1 0x01 /* PIT channel 1 count/status */ -#define PIT_T2 0x02 /* PIT channel 2 count/status */ -#define PIT_COMMAND 0x03 /* PIT mode control, latch and read back */ - -/* PIT Command Register Bit Definitions */ - -#define PIT_CMD_CTR0 0x00 /* Select PIT counter 0 */ -#define PIT_CMD_CTR1 0x40 /* Select PIT counter 1 */ -#define PIT_CMD_CTR2 0x80 /* Select PIT counter 2 */ - -#define PIT_CMD_LATCH 0x00 /* Counter Latch Command */ -#define PIT_CMD_LOW 0x10 /* Access counter bits 7-0 */ -#define PIT_CMD_HIGH 0x20 /* Access counter bits 15-8 */ -#define PIT_CMD_BOTH 0x30 /* Access counter bits 15-0 in two accesses */ - -#define PIT_CMD_MODE0 0x00 /* Select mode 0 */ -#define PIT_CMD_MODE1 0x02 /* Select mode 1 */ -#define PIT_CMD_MODE2 0x04 /* Select mode 2 */ -#define PIT_CMD_MODE3 0x06 /* Select mode 3 */ -#define PIT_CMD_MODE4 0x08 /* Select mode 4 */ -#define PIT_CMD_MODE5 0x0A /* Select mode 5 */ - -#endif diff --git a/arch/i386/include/asm/i8259.h b/arch/i386/include/asm/i8259.h deleted file mode 100644 index 774d7a31e7..0000000000 --- a/arch/i386/include/asm/i8259.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* i8259.h i8259 PIC Registers */ - -#ifndef _ASMI386_I8259_H_ -#define _ASMI386_I8959_H_ 1 - - -/* PIC I/O mapped registers */ - -#define IRR 0x0 /* Interrupt Request Register */ -#define ISR 0x0 /* In-Service Register */ -#define ICW1 0x0 /* Initialization Control Word 1 */ -#define OCW2 0x0 /* Operation Control Word 2 */ -#define OCW3 0x0 /* Operation Control Word 3 */ -#define ICW2 0x1 /* Initialization Control Word 2 */ -#define ICW3 0x1 /* Initialization Control Word 3 */ -#define ICW4 0x1 /* Initialization Control Word 4 */ -#define IMR 0x1 /* Interrupt Mask Register */ - -/* bits for IRR, IMR, ISR and ICW3 */ -#define IR7 0x80 /* IR7 */ -#define IR6 0x40 /* IR6 */ -#define IR5 0x20 /* IR5 */ -#define IR4 0x10 /* IR4 */ -#define IR3 0x08 /* IR3 */ -#define IR2 0x04 /* IR2 */ -#define IR1 0x02 /* IR1 */ -#define IR0 0x01 /* IR0 */ - -/* bits for SEOI */ -#define SEOI_IR7 0x07 /* IR7 */ -#define SEOI_IR6 0x06 /* IR6 */ -#define SEOI_IR5 0x05 /* IR5 */ -#define SEOI_IR4 0x04 /* IR4 */ -#define SEOI_IR3 0x03 /* IR3 */ -#define SEOI_IR2 0x02 /* IR2 */ -#define SEOI_IR1 0x01 /* IR1 */ -#define SEOI_IR0 0x00 /* IR0 */ - -/* OCW2 bits */ -#define OCW2_RCLR 0x00 /* Rotate/clear */ -#define OCW2_NEOI 0x20 /* Non specific EOI */ -#define OCW2_NOP 0x40 /* NOP */ -#define OCW2_SEOI 0x60 /* Specific EOI */ -#define OCW2_RSET 0x80 /* Rotate/set */ -#define OCW2_REOI 0xA0 /* Rotate on non specific EOI */ -#define OCW2_PSET 0xC0 /* Priority Set Command */ -#define OCW2_RSEOI 0xE0 /* Rotate on specific EOI */ - -/* ICW1 bits */ -#define ICW1_SEL 0x10 /* Select ICW1 */ -#define ICW1_LTIM 0x08 /* Level-Triggered Interrupt Mode */ -#define ICW1_ADI 0x04 /* Address Interval */ -#define ICW1_SNGL 0x02 /* Single PIC */ -#define ICW1_EICW4 0x01 /* Expect initilization ICW4 */ - -/* ICW2 is the starting vector number */ - -/* ICW2 is bit-mask of present slaves for a master device, - * or the slave ID for a slave device */ - -/* ICW4 bits */ -#define ICW4_AEOI 0x02 /* Automatic EOI Mode */ -#define ICW4_PM 0x01 /* Microprocessor Mode */ - -#endif diff --git a/arch/i386/include/asm/ibmpc.h b/arch/i386/include/asm/ibmpc.h deleted file mode 100644 index e35cbd887a..0000000000 --- a/arch/i386/include/asm/ibmpc.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_IBMPC_H_ -#define __ASM_IBMPC_H_ 1 - -/* misc ports in an ibm compatible pc */ - -#define MASTER_PIC 0x20 -#define PIT_BASE 0x40 -#define KBDDATA 0x60 -#define SYSCTLB 0x62 -#define KBDCMD 0x64 -#define SYSCTLA 0x92 -#define SLAVE_PIC 0xa0 - -#if 1 -#define UART0_BASE 0x3f8 -#define UART1_BASE 0x2f8 -#else -/* FixMe: uarts swapped */ -#define UART0_BASE 0x2f8 -#define UART1_BASE 0x3f8 -#endif - - -#endif diff --git a/arch/i386/include/asm/ic/pci.h b/arch/i386/include/asm/ic/pci.h deleted file mode 100644 index 2e4376b9b0..0000000000 --- a/arch/i386/include/asm/ic/pci.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _ASM_IC_SC520_PCI_H_ -#define _ASM_IC_SC520_PCI_H_ 1 - -/* bus mapping constants (used for PCI core initialization) */ /* bus mapping constants */ -#define SC520_REG_ADDR 0x00000cf8 -#define SC520_REG_DATA 0x00000cfc - -#define SC520_ISA_MEM_PHYS 0x00000000 -#define SC520_ISA_MEM_BUS 0x00000000 -#define SC520_ISA_MEM_SIZE 0x01000000 - -#define SC520_ISA_IO_PHYS 0x00000000 -#define SC520_ISA_IO_BUS 0x00000000 -#define SC520_ISA_IO_SIZE 0x00001000 - -/* PCI I/O space from 0x1000 to 0xdfff - * (make 0xe000-0xfdff available for stuff like PCCard boot) */ -#define SC520_PCI_IO_PHYS 0x00001000 -#define SC520_PCI_IO_BUS 0x00001000 -#define SC520_PCI_IO_SIZE 0x0000d000 - -/* system memory from 0x00000000 to 0x0fffffff */ -#define SC520_PCI_MEMORY_PHYS 0x00000000 -#define SC520_PCI_MEMORY_BUS 0x00000000 -#define SC520_PCI_MEMORY_SIZE 0x10000000 - -/* PCI bus memory from 0x10000000 to 0x26ffffff - * (make 0x27000000 - 0x27ffffff available for stuff like PCCard boot) */ -#define SC520_PCI_MEM_PHYS 0x10000000 -#define SC520_PCI_MEM_BUS 0x10000000 -#define SC520_PCI_MEM_SIZE 0x17000000 - -/* pin number used for PCI interrupt mappings */ -#define SC520_PCI_INTA 0 -#define SC520_PCI_INTB 1 -#define SC520_PCI_INTC 2 -#define SC520_PCI_INTD 3 -#define SC520_PCI_GPIRQ0 4 -#define SC520_PCI_GPIRQ1 5 -#define SC520_PCI_GPIRQ2 6 -#define SC520_PCI_GPIRQ3 7 -#define SC520_PCI_GPIRQ4 8 -#define SC520_PCI_GPIRQ5 9 -#define SC520_PCI_GPIRQ6 10 -#define SC520_PCI_GPIRQ7 11 -#define SC520_PCI_GPIRQ8 12 -#define SC520_PCI_GPIRQ9 13 -#define SC520_PCI_GPIRQ10 14 - -extern int sc520_pci_ints[]; - -void pci_sc520_init(struct pci_controller *hose); -int pci_set_regions(struct pci_controller *hose); -int pci_sc520_set_irq(int pci_pin, int irq); - -#endif diff --git a/arch/i386/include/asm/ic/sc520.h b/arch/i386/include/asm/ic/sc520.h deleted file mode 100644 index 956c1c2636..0000000000 --- a/arch/i386/include/asm/ic/sc520.h +++ /dev/null @@ -1,398 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _ASM_IC_SC520_H_ -#define _ASM_IC_SC520_H_ 1 - -#ifndef __ASSEMBLY__ - -void init_sc520(void); -unsigned long init_sc520_dram(void); -void sc520_udelay(unsigned long usec); - -/* Memory mapped configuration registers */ -typedef struct sc520_mmcr { - u16 revid; /* ElanSC520 microcontroller revision id */ - u8 cpuctl; /* am5x86 CPU control */ - - u8 pad_0x003[0x0d]; - - u8 drcctl; /* SDRAM control */ - u8 pad_0x011[0x01]; - u8 drctmctl; /* SDRAM timing control */ - u8 pad_0x013[0x01]; - u16 drccfg; /* SDRAM bank configuration*/ - u8 pad_0x016[0x02]; - u32 drcbendadr; /* SDRAM bank 0-3 ending address*/ - u8 pad_0x01c[0x04]; - u8 eccctl; /* ECC control */ - u8 eccsta; /* ECC status */ - u8 eccckbpos; /* ECC check bit position */ - u8 ecccktest; /* ECC Check Code Test */ - u32 eccsbadd; /* ECC single-bit error address */ - u32 eccmbadd; /* ECC multi-bit error address */ - - u8 pad_0x02c[0x14]; - - u8 dbctl; /* SDRAM buffer control */ - - u8 pad_0x041[0x0f]; - - u16 bootcsctl; /* /BOOTCS control */ - u8 pad_0x052[0x02]; - u16 romcs1ctl; /* /ROMCS1 control */ - u16 romcs2ctl; /* /ROMCS2 control */ - - u8 pad_0x058[0x08]; - - u16 hbctl; /* host bridge control */ - u16 hbtgtirqctl; /* host bridge target interrupt control */ - u16 hbtgtirqsta; /* host bridge target interrupt status */ - u16 hbmstirqctl; /* host bridge target interrupt control */ - u16 hbmstirqsta; /* host bridge master interrupt status */ - u8 pad_0x06a[0x02]; - u32 mstintadd; /* host bridge master interrupt address */ - - u8 sysarbctl; /* system arbiter control */ - u8 pciarbsta; /* PCI bus arbiter status */ - u16 sysarbmenb; /* system arbiter master enable */ - u32 arbprictl; /* arbiter priority control */ - - u8 pad_0x078[0x08]; - - u8 adddecctl; /* address decode control */ - u8 pad_0x081[0x01]; - u16 wpvsta; /* write-protect violation status */ - u8 pad_0x084[0x04]; - u32 par[16]; /* programmable address regions */ - - u8 pad_0x0c8[0x0b38]; - - u8 gpecho; /* GP echo mode */ - u8 gpcsdw; /* GP chip select data width */ - u16 gpcsqual; /* GP chip select qualification */ - u8 pad_0xc04[0x4]; - u8 gpcsrt; /* GP chip select recovery time */ - u8 gpcspw; /* GP chip select pulse width */ - u8 gpcsoff; /* GP chip select offset */ - u8 gprdw; /* GP read pulse width */ - u8 gprdoff; /* GP read offset */ - u8 gpwrw; /* GP write pulse width */ - u8 gpwroff; /* GP write offset */ - u8 gpalew; /* GP ale pulse width */ - u8 gpaleoff; /* GP ale offset */ - - u8 pad_0xc11[0x0f]; - - u16 piopfs15_0; /* PIO15-PIO0 pin function select */ - u16 piopfs31_16; /* PIO31-PIO16 pin function select */ - u8 cspfs; /* chip select pin function select */ - u8 pad_0xc25[0x01]; - u8 clksel; /* clock select */ - u8 pad_0xc27[0x01]; - u16 dsctl; /* drive strength control */ - u16 piodir15_0; /* PIO15-PIO0 direction */ - u16 piodir31_16; /* PIO31-PIO16 direction */ - u8 pad_0xc2e[0x02]; - u16 piodata15_0 ; /* PIO15-PIO0 data */ - u16 piodata31_16; /* PIO31-PIO16 data */ - u16 pioset15_0; /* PIO15-PIO0 set */ - u16 pioset31_16; /* PIO31-PIO16 set */ - u16 pioclr15_0; /* PIO15-PIO0 clear */ - u16 pioclr31_16; /* PIO31-PIO16 clear */ - - u8 pad_0xc3c[0x24]; - - u16 swtmrmilli; /* software timer millisecond count */ - u16 swtmrmicro; /* software timer microsecond count */ - u8 swtmrcfg; /* software timer configuration */ - - u8 pad_0xc65[0x0b]; - - u8 gptmrsta; /* GP timers status register */ - u8 pad_0xc71; - u16 gptmr0ctl; /* GP timer 0 mode/control */ - u16 gptmr0cnt; /* GP timer 0 count */ - u16 gptmr0maxcmpa; /* GP timer 0 maxcount compare A */ - u16 gptmr0maxcmpb; /* GP timer 0 maxcount compare B */ - u16 gptmr1ctl; /* GP timer 1 mode/control */ - u16 gptmr1cnt; /* GP timer 1 count */ - u16 gptmr1maxcmpa; /* GP timer 1 maxcount compare A */ - u16 gptmr1maxcmpb; /* GP timer 1 maxcount compare B*/ - u16 gptmr2ctl; /* GP timer 2 mode/control */ - u16 gptmr2cnt; /* GP timer 2 count */ - u8 pad_0xc86[0x08]; - u16 gptmr2maxcmpa; /* GP timer 2 maxcount compare A */ - - u8 pad_0xc90[0x20]; - - u16 wdtmrctl; /* watchdog timer control */ - u16 wdtmrcntl; /* watchdog timer count low */ - u16 wdtmrcnth; /* watchdog timer count high */ - - u8 pad_0xcb6[0x0a]; - - u8 uart1ctl; /* UART 1 general control */ - u8 uart1sta; /* UART 1 general status */ - u8 uart1fcrshad; /* UART 1 FIFO control shadow */ - u8 pad_0xcc3[0x01]; - u8 uart2ctl; /* UART 2 general control */ - u8 uart2sta; /* UART 2 general status */ - u8 uart2fcrshad; /* UART 2 FIFO control shadow */ - - u8 pad_0xcc7[0x09]; - - u8 ssictl; /* SSI control */ - u8 ssixmit; /* SSI transmit */ - u8 ssicmd; /* SSI command */ - u8 ssista; /* SSI status */ - u8 ssircv; /* SSI receive */ - - u8 pad_0xcd5[0x2b]; - - u8 picicr; /* interrupt control */ - u8 pad_0xd01[0x01]; - u8 pic_mode[3]; /* PIC interrupt mode */ - u8 pad_0xd05[0x03]; - u16 swint16_1; /* software interrupt 16-1 control */ - u8 swint22_17; /* software interrupt 22-17/NMI control */ - u8 pad_0xd0b[0x05]; - u16 intpinpol; /* interrupt pin polarity */ - u8 pad_0xd12[0x02]; - u16 pcihostmap; /* PCI host bridge interrupt mapping */ - u8 pad_0xd16[0x02]; - u16 eccmap; /* ECC interrupt mapping */ - u8 gp_tmr_int_map[3]; /* GP timer interrupt mapping */ - u8 pad_0xd1d[0x03]; - u8 pit_int_map[3]; /* PIT interrupt mapping */ - u8 pad_0xd23[0x05]; - u8 uart_int_map[2]; /* UART interrupt mapping */ - u8 pad_0xd2a[0x06]; - u8 pci_int_map[4]; /* PCI interrupt mapping (A through D)*/ - u8 pad_0xd34[0x0c]; - u8 dmabcintmap; /* DMA buffer chaining interrupt mapping */ - u8 ssimap; /* SSI interrupt mapping register */ - u8 wdtmap; /* watchdog timer interrupt mapping */ - u8 rtcmap; /* RTC interrupt mapping register */ - u8 wpvmap; /* write-protect interrupt mapping */ - u8 icemap; /* AMDebug JTAG Rx/Tx interrupt mapping */ - u8 ferrmap; /* floating point error interrupt mapping */ - u8 pad_0xd47[0x09]; - u8 gp_int_map[11]; /* GP IRQ interrupt mapping */ - - u8 pad_0xd5b[0x15]; - - u8 sysinfo; /* system board information */ - u8 pad_0xd71[0x01]; - u8 rescfg; /* reset configuration */ - u8 pad_0xd73[0x01]; - u8 ressta; /* reset status */ - - u8 pad_0xd75[0x0b]; - - u8 gpdmactl; /* GP-DMA Control */ - u8 gpdmammio; /* GP-DMA memory-mapped I/O */ - u16 gpdmaextchmapa; /* GP-DMA resource channel map a */ - u16 gpdmaextchmapb; /* GP-DMA resource channel map b */ - u8 gp_dma_ext_pg_0; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_1; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_2; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_3; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_5; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_6; /* GP-DMA channel extended page 0 */ - u8 gp_dma_ext_pg_7; /* GP-DMA channel extended page 0 */ - u8 pad_0xd8d[0x03]; - u8 gpdmaexttc3; /* GP-DMA channel 3 extender transfer count */ - u8 gpdmaexttc5; /* GP-DMA channel 5 extender transfer count */ - u8 gpdmaexttc6; /* GP-DMA channel 6 extender transfer count */ - u8 gpdmaexttc7; /* GP-DMA channel 7 extender transfer count */ - u8 pad_0xd94[0x4]; - u8 gpdmabcctl; /* buffer chaining control */ - u8 gpdmabcsta; /* buffer chaining status */ - u8 gpdmabsintenb; /* buffer chaining interrupt enable */ - u8 gpdmabcval; /* buffer chaining valid */ - u8 pad_0xd9c[0x04]; - u16 gpdmanxtaddl3; /* GP-DMA channel 3 next address low */ - u16 gpdmanxtaddh3; /* GP-DMA channel 3 next address high */ - u16 gpdmanxtaddl5; /* GP-DMA channel 5 next address low */ - u16 gpdmanxtaddh5; /* GP-DMA channel 5 next address high */ - u16 gpdmanxtaddl6; /* GP-DMA channel 6 next address low */ - u16 gpdmanxtaddh6; /* GP-DMA channel 6 next address high */ - u16 gpdmanxtaddl7; /* GP-DMA channel 7 next address low */ - u16 gpdmanxtaddh7; /* GP-DMA channel 7 next address high */ - u16 gpdmanxttcl3; /* GP-DMA channel 3 next transfer count low */ - u16 gpdmanxttch3; /* GP-DMA channel 3 next transfer count high */ - u16 gpdmanxttcl5; /* GP-DMA channel 5 next transfer count low */ - u16 gpdmanxttch5; /* GP-DMA channel 5 next transfer count high */ - u16 gpdmanxttcl6; /* GP-DMA channel 6 next transfer count low */ - u16 gpdmanxttch6; /* GP-DMA channel 6 next transfer count high */ - u16 gpdmanxttcl7; /* GP-DMA channel 7 next transfer count low */ - u16 gpdmanxttch7; /* GP-DMA channel 7 next transfer count high */ - - u8 pad_0xdc0[0x0240]; -} sc520_mmcr_t; - -extern sc520_mmcr_t *sc520_mmcr; - -#endif - -/* Memory Mapped Control Registers (MMCR) Base Address */ -#define SC520_MMCR_BASE 0xfffef000 - -/* MMCR Addresses (required for assembler code) */ -#define SC520_DRCCTL (SC520_MMCR_BASE + 0x010) -#define SC520_DRCTMCTL (SC520_MMCR_BASE + 0x012) -#define SC520_DRCCFG (SC520_MMCR_BASE + 0x014) -#define SC520_DRCBENDADR (SC520_MMCR_BASE + 0x018) -#define SC520_ECCCTL (SC520_MMCR_BASE + 0x020) -#define SC520_DBCTL (SC520_MMCR_BASE + 0x040) -#define SC520_ECCINT (SC520_MMCR_BASE + 0xd18) - -#define SC520_PAR0 (SC520_MMCR_BASE + 0x088) -#define SC520_PAR1 (SC520_PAR0 + (0x04 * 1)) -#define SC520_PAR2 (SC520_PAR0 + (0x04 * 2)) -#define SC520_PAR3 (SC520_PAR0 + (0x04 * 3)) -#define SC520_PAR4 (SC520_PAR0 + (0x04 * 4)) -#define SC520_PAR5 (SC520_PAR0 + (0x04 * 5)) -#define SC520_PAR6 (SC520_PAR0 + (0x04 * 6)) -#define SC520_PAR7 (SC520_PAR0 + (0x04 * 7)) -#define SC520_PAR8 (SC520_PAR0 + (0x04 * 8)) -#define SC520_PAR9 (SC520_PAR0 + (0x04 * 9)) -#define SC520_PAR10 (SC520_PAR0 + (0x04 * 10)) -#define SC520_PAR11 (SC520_PAR0 + (0x04 * 11)) -#define SC520_PAR12 (SC520_PAR0 + (0x04 * 12)) -#define SC520_PAR13 (SC520_PAR0 + (0x04 * 13)) -#define SC520_PAR14 (SC520_PAR0 + (0x04 * 14)) -#define SC520_PAR15 (SC520_PAR0 + (0x04 * 15)) - -/* - * PARs for maximum allowable 256MB of SDRAM @ 0x00000000 - * Two PARs are required due to maximum PAR size of 128MB - * These are used in the SDRAM sizing code to disable caching - * - * 111 0 0 0 1 11111111111 00000000000000 }- 0xe3ffc000 - * 111 0 0 0 1 11111111111 00100000000000 }- 0xe3ffc800 - * \ / | | | | \----+----/ \-----+------/ - * | | | | | | +---------- Start at 0x00000000 - * | | | | | | 0x08000000 - * | | | | | +----------------------- 128MB Region Size - * | | | | | ((2047 + 1) * 64kB) - * | | | | +------------------------------ 64kB Page Size - * | | | +-------------------------------- Writes Enabled - * | | +---------------------------------- Caching Enabled - * | +------------------------------------ Execution Enabled - * +--------------------------------------- SDRAM - */ -#define SC520_SDRAM1_PAR 0xe3ffc000 -#define SC520_SDRAM2_PAR 0xe3ffc800 - -#define SC520_PAR_WRITE_DIS 0x04000000 -#define SC520_PAR_CACHE_DIS 0x08000000 -#define SC520_PAR_EXEC_DIS 0x10000000 - -/* - * Programmable Address Regions to cover 256MB SDRAM (Maximum supported) - * required for DRAM sizing code - */ - -/* MMCR Register bits (not all of them :) ) */ - -/* SSI Stuff */ -#define CTL_CLK_SEL_4 0x00 /* Nominal Bit Rate = 8 MHz */ -#define CTL_CLK_SEL_8 0x10 /* Nominal Bit Rate = 4 MHz */ -#define CTL_CLK_SEL_16 0x20 /* Nominal Bit Rate = 2 MHz */ -#define CTL_CLK_SEL_32 0x30 /* Nominal Bit Rate = 1 MHz */ -#define CTL_CLK_SEL_64 0x40 /* Nominal Bit Rate = 512 KHz */ -#define CTL_CLK_SEL_128 0x50 /* Nominal Bit Rate = 256 KHz */ -#define CTL_CLK_SEL_256 0x60 /* Nominal Bit Rate = 128 KHz */ -#define CTL_CLK_SEL_512 0x70 /* Nominal Bit Rate = 64 KHz */ - -#define TC_INT_ENB 0x08 /* Transaction Complete Interrupt Enable */ -#define PHS_INV_ENB 0x04 /* SSI Inverted Phase Mode Enable */ -#define CLK_INV_ENB 0x02 /* SSI Inverted Clock Mode Enable */ -#define MSBF_ENB 0x01 /* SSI Most Significant Bit First Mode Enable */ - -#define SSICMD_CMD_SEL_XMITRCV 0x03 /* Simultaneous Transmit / Receive Transaction */ -#define SSICMD_CMD_SEL_RCV 0x02 /* Receive Transaction */ -#define SSICMD_CMD_SEL_XMIT 0x01 /* Transmit Transaction */ -#define SSISTA_BSY 0x02 /* SSI Busy */ -#define SSISTA_TC_INT 0x01 /* SSI Transaction Complete Interrupt */ - -/* BITS for SC520_ADDDECCTL: */ -#define WPV_INT_ENB 0x80 /* Write-Protect Violation Interrupt Enable */ -#define IO_HOLE_DEST_PCI 0x10 /* I/O Hole Access Destination */ -#define RTC_DIS 0x04 /* RTC Disable */ -#define UART2_DIS 0x02 /* UART2 Disable */ -#define UART1_DIS 0x01 /* UART1 Disable */ - -/* - * Defines used for SDRAM Sizing (number of columns and rows) - * Refer to section 10.6.4 - SDRAM Sizing Algorithm in the - * Elan SC520 Microcontroller User's Manual (Order #22004B) - */ -#define CACHELINESZ 0x00000010 - -#define COL11_ADR 0x0e001e00 -#define COL10_ADR 0x0e000e00 -#define COL09_ADR 0x0e000600 -#define COL08_ADR 0x0e000200 -#define COL11_DATA 0x0b0b0b0b -#define COL10_DATA 0x0a0a0a0a -#define COL09_DATA 0x09090909 -#define COL08_DATA 0x08080808 - -#define ROW14_ADR 0x0f000000 -#define ROW13_ADR 0x07000000 -#define ROW12_ADR 0x03000000 -#define ROW11_ADR 0x01000000 -#define ROW10_ADR 0x00000000 -#define ROW14_DATA 0x3f3f3f3f -#define ROW13_DATA 0x1f1f1f1f -#define ROW12_DATA 0x0f0f0f0f -#define ROW11_DATA 0x07070707 -#define ROW10_DATA 0xaaaaaaaa - -/* 0x28000000 - 0x3fffffff is used by the flash banks */ - -/* 0x40000000 - 0xffffffff is not adressable by the SC520 */ - -/* priority numbers used for interrupt channel mappings */ -#define SC520_IRQ_DISABLED 0 -#define SC520_IRQ0 1 -#define SC520_IRQ1 2 -#define SC520_IRQ2 4 /* same as IRQ9 */ -#define SC520_IRQ3 11 -#define SC520_IRQ4 12 -#define SC520_IRQ5 13 -#define SC520_IRQ6 21 -#define SC520_IRQ7 22 -#define SC520_IRQ8 3 -#define SC520_IRQ9 4 -#define SC520_IRQ10 5 -#define SC520_IRQ11 6 -#define SC520_IRQ12 7 -#define SC520_IRQ13 8 -#define SC520_IRQ14 9 -#define SC520_IRQ15 10 - -#endif diff --git a/arch/i386/include/asm/ic/ssi.h b/arch/i386/include/asm/ic/ssi.h deleted file mode 100644 index bd48eab161..0000000000 --- a/arch/i386/include/asm/ic/ssi.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * (C) Copyright 2008 - * Graeme Russ <graeme.russ@gmail.com>. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _ASM_IC_SSI_H_ -#define _ASM_IC_SSI_H_ 1 - -int ssi_set_interface(int, int, int, int); -void ssi_chip_select(int); -u8 ssi_txrx_byte(u8); -void ssi_tx_byte(u8); -u8 ssi_rx_byte(void); - - -#endif diff --git a/arch/i386/include/asm/interrupt.h b/arch/i386/include/asm/interrupt.h deleted file mode 100644 index d32ef8b190..0000000000 --- a/arch/i386/include/asm/interrupt.h +++ /dev/null @@ -1,46 +0,0 @@ -/* - * (C) Copyright 2009 - * Graeme Russ, graeme.russ@gmail.com - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_INTERRUPT_H_ -#define __ASM_INTERRUPT_H_ 1 - -#include <asm/types.h> - -/* arch/i386/cpu/interrupts.c */ -void set_vector(u8 intnum, void *routine); - -/* arch/i386/lib/interupts.c */ -void disable_irq(int irq); -void enable_irq(int irq); - -/* Architecture specific functions */ -void mask_irq(int irq); -void unmask_irq(int irq); -void specific_eoi(int irq); - -extern char exception_stack[]; - -#endif diff --git a/arch/i386/include/asm/io.h b/arch/i386/include/asm/io.h deleted file mode 100644 index 9b757d489e..0000000000 --- a/arch/i386/include/asm/io.h +++ /dev/null @@ -1,237 +0,0 @@ -#ifndef _ASM_IO_H -#define _ASM_IO_H - -/* - * This file contains the definitions for the x86 IO instructions - * inb/inw/inl/outb/outw/outl and the "string versions" of the same - * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing" - * versions of the single-IO instructions (inb_p/inw_p/..). - * - * This file is not meant to be obfuscating: it's just complicated - * to (a) handle it all in a way that makes gcc able to optimize it - * as well as possible and (b) trying to avoid writing the same thing - * over and over again with slight variations and possibly making a - * mistake somewhere. - */ - -/* - * Thanks to James van Artsdalen for a better timing-fix than - * the two short jumps: using outb's to a nonexistent port seems - * to guarantee better timings even on fast machines. - * - * On the other hand, I'd like to be sure of a non-existent port: - * I feel a bit unsafe about using 0x80 (should be safe, though) - * - * Linus - */ - - /* - * Bit simplified and optimized by Jan Hubicka - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999. - * - * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added, - * isa_read[wl] and isa_write[wl] fixed - * - Arnaldo Carvalho de Melo <acme@conectiva.com.br> - */ - -#define IO_SPACE_LIMIT 0xffff - - -#ifdef __KERNEL__ - - -/* - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the x86 architecture, we just read/write the - * memory location directly. - */ - -#define readb(addr) (*(volatile unsigned char *) (addr)) -#define readw(addr) (*(volatile unsigned short *) (addr)) -#define readl(addr) (*(volatile unsigned int *) (addr)) -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl - -#define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b)) -#define writew(b,addr) (*(volatile unsigned short *) (addr) = (b)) -#define writel(b,addr) (*(volatile unsigned int *) (addr) = (b)) -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel - -#define memset_io(a,b,c) memset((a),(b),(c)) -#define memcpy_fromio(a,b,c) memcpy((a),(b),(c)) -#define memcpy_toio(a,b,c) memcpy((a),(b),(c)) - -/* - * ISA space is 'always mapped' on a typical x86 system, no need to - * explicitly ioremap() it. The fact that the ISA IO space is mapped - * to PAGE_OFFSET is pure coincidence - it does not mean ISA values - * are physical addresses. The following constant pointer can be - * used as the IO-area pointer (it can be iounmapped as well, so the - * analogy with PCI is quite large): - */ -#define isa_readb(a) readb((a)) -#define isa_readw(a) readw((a)) -#define isa_readl(a) readl((a)) -#define isa_writeb(b,a) writeb(b,(a)) -#define isa_writew(w,a) writew(w,(a)) -#define isa_writel(l,a) writel(l,(a)) -#define isa_memset_io(a,b,c) memset_io((a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c)) - - -static inline int check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -/** - * isa_check_signature - find BIOS signatures - * @io_addr: mmio address to check - * @signature: signature block - * @length: length of signature - * - * Perform a signature comparison with the ISA mmio address io_addr. - * Returns 1 on a match. - * - * This function is deprecated. New drivers should use ioremap and - * check_signature. - */ - - -static inline int isa_check_signature(unsigned long io_addr, - const unsigned char *signature, int length) -{ - int retval = 0; - do { - if (isa_readb(io_addr) != *signature) - goto out; - io_addr++; - signature++; - length--; - } while (length); - retval = 1; -out: - return retval; -} - -#endif /* __KERNEL__ */ - -#ifdef SLOW_IO_BY_JUMPING -#define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:" -#else -#define __SLOW_DOWN_IO "\noutb %%al,$0x80" -#endif - -#ifdef REALLY_SLOW_IO -#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO -#else -#define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO -#endif - - -/* - * Talk about misusing macros.. - */ -#define __OUT1(s,x) \ -static inline void out##s(unsigned x value, unsigned short port) { - -#define __OUT2(s,s1,s2) \ -__asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1" - - -#define __OUT(s,s1,x) \ -__OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \ -__OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} - -#define __IN1(s) \ -static inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v; - -#define __IN2(s,s1,s2) \ -__asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0" - -#define __IN(s,s1,i...) \ -__IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \ -__IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } - -#define __INS(s) \ -static inline void ins##s(unsigned short port, void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("rep ; ins" #s \ -: "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define __OUTS(s) \ -static inline void outs##s(unsigned short port, const void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("rep ; outs" #s \ -: "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define RETURN_TYPE unsigned char -__IN(b,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned short -__IN(w,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned int -__IN(l,"") -#undef RETURN_TYPE - -__OUT(b,"b",char) -__OUT(w,"w",short) -__OUT(l,,int) - -__INS(b) -__INS(w) -__INS(l) - -__OUTS(b) -__OUTS(w) -__OUTS(l) - -static inline void sync(void) -{ -} - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -#endif diff --git a/arch/i386/include/asm/ioctl.h b/arch/i386/include/asm/ioctl.h deleted file mode 100644 index b279fe06df..0000000000 --- a/arch/i386/include/asm/ioctl.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/ioctl.h> diff --git a/arch/i386/include/asm/ist.h b/arch/i386/include/asm/ist.h deleted file mode 100644 index 7e5dff1de0..0000000000 --- a/arch/i386/include/asm/ist.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef _ASM_X86_IST_H -#define _ASM_X86_IST_H - -/* - * Include file for the interface to IST BIOS - * Copyright 2002 Andy Grover <andrew.grover@intel.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - - -#include <linux/types.h> - -struct ist_info { - __u32 signature; - __u32 command; - __u32 event; - __u32 perf_level; -}; - -#ifdef __KERNEL__ - -extern struct ist_info ist_info; - -#endif /* __KERNEL__ */ -#endif /* _ASM_X86_IST_H */ diff --git a/arch/i386/include/asm/pci.h b/arch/i386/include/asm/pci.h deleted file mode 100644 index 050a2bb868..0000000000 --- a/arch/i386/include/asm/pci.h +++ /dev/null @@ -1,34 +0,0 @@ - - -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _PCI_I386_H_ -#define _PCI_I386_H_ 1 - -void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data); -int pci_enable_legacy_video_ports(struct pci_controller* hose); -int pci_shadow_rom(pci_dev_t dev, unsigned char *dest); -void pci_remove_rom_window(struct pci_controller* hose, u32 addr); -u32 pci_get_rom_window(struct pci_controller* hose, int size); -#endif diff --git a/arch/i386/include/asm/posix_types.h b/arch/i386/include/asm/posix_types.h deleted file mode 100644 index 5529f32702..0000000000 --- a/arch/i386/include/asm/posix_types.h +++ /dev/null @@ -1,80 +0,0 @@ -#ifndef __ARCH_I386_POSIX_TYPES_H -#define __ARCH_I386_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned short __kernel_dev_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { -#if defined(__KERNEL__) || defined(__USE_ALL) - int val[2]; -#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ - int __val[2]; -#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ -} __kernel_fsid_t; - -#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) - -#undef __FD_SET -#define __FD_SET(fd,fdsetp) \ - __asm__ __volatile__("btsl %1,%0": \ - "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd))) - -#undef __FD_CLR -#define __FD_CLR(fd,fdsetp) \ - __asm__ __volatile__("btrl %1,%0": \ - "=m" (*(__kernel_fd_set *) (fdsetp)):"r" ((int) (fd))) - -#undef __FD_ISSET -#define __FD_ISSET(fd,fdsetp) (__extension__ ({ \ - unsigned char __result; \ - __asm__ __volatile__("btl %1,%2 ; setb %0" \ - :"=q" (__result) :"r" ((int) (fd)), \ - "m" (*(__kernel_fd_set *) (fdsetp))); \ - __result; })) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) \ -do { \ - int __d0, __d1; \ - __asm__ __volatile__("cld ; rep ; stosl" \ - :"=m" (*(__kernel_fd_set *) (fdsetp)), \ - "=&c" (__d0), "=&D" (__d1) \ - :"a" (0), "1" (__FDSET_LONGS), \ - "2" ((__kernel_fd_set *) (fdsetp)) : "memory"); \ -} while (0) - -#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ - -#endif diff --git a/arch/i386/include/asm/processor-flags.h b/arch/i386/include/asm/processor-flags.h deleted file mode 100644 index 7a3e836eb2..0000000000 --- a/arch/i386/include/asm/processor-flags.h +++ /dev/null @@ -1,100 +0,0 @@ -#ifndef _ASM_X86_PROCESSOR_FLAGS_H -#define _ASM_X86_PROCESSOR_FLAGS_H -/* Various flags defined: can be included from assembler. */ - -/* - * EFLAGS bits - */ -#define X86_EFLAGS_CF 0x00000001 /* Carry Flag */ -#define X86_EFLAGS_PF 0x00000004 /* Parity Flag */ -#define X86_EFLAGS_AF 0x00000010 /* Auxillary carry Flag */ -#define X86_EFLAGS_ZF 0x00000040 /* Zero Flag */ -#define X86_EFLAGS_SF 0x00000080 /* Sign Flag */ -#define X86_EFLAGS_TF 0x00000100 /* Trap Flag */ -#define X86_EFLAGS_IF 0x00000200 /* Interrupt Flag */ -#define X86_EFLAGS_DF 0x00000400 /* Direction Flag */ -#define X86_EFLAGS_OF 0x00000800 /* Overflow Flag */ -#define X86_EFLAGS_IOPL 0x00003000 /* IOPL mask */ -#define X86_EFLAGS_NT 0x00004000 /* Nested Task */ -#define X86_EFLAGS_RF 0x00010000 /* Resume Flag */ -#define X86_EFLAGS_VM 0x00020000 /* Virtual Mode */ -#define X86_EFLAGS_AC 0x00040000 /* Alignment Check */ -#define X86_EFLAGS_VIF 0x00080000 /* Virtual Interrupt Flag */ -#define X86_EFLAGS_VIP 0x00100000 /* Virtual Interrupt Pending */ -#define X86_EFLAGS_ID 0x00200000 /* CPUID detection flag */ - -/* - * Basic CPU control in CR0 - */ -#define X86_CR0_PE 0x00000001 /* Protection Enable */ -#define X86_CR0_MP 0x00000002 /* Monitor Coprocessor */ -#define X86_CR0_EM 0x00000004 /* Emulation */ -#define X86_CR0_TS 0x00000008 /* Task Switched */ -#define X86_CR0_ET 0x00000010 /* Extension Type */ -#define X86_CR0_NE 0x00000020 /* Numeric Error */ -#define X86_CR0_WP 0x00010000 /* Write Protect */ -#define X86_CR0_AM 0x00040000 /* Alignment Mask */ -#define X86_CR0_NW 0x20000000 /* Not Write-through */ -#define X86_CR0_CD 0x40000000 /* Cache Disable */ -#define X86_CR0_PG 0x80000000 /* Paging */ - -/* - * Paging options in CR3 - */ -#define X86_CR3_PWT 0x00000008 /* Page Write Through */ -#define X86_CR3_PCD 0x00000010 /* Page Cache Disable */ - -/* - * Intel CPU features in CR4 - */ -#define X86_CR4_VME 0x00000001 /* enable vm86 extensions */ -#define X86_CR4_PVI 0x00000002 /* virtual interrupts flag enable */ -#define X86_CR4_TSD 0x00000004 /* disable time stamp at ipl 3 */ -#define X86_CR4_DE 0x00000008 /* enable debugging extensions */ -#define X86_CR4_PSE 0x00000010 /* enable page size extensions */ -#define X86_CR4_PAE 0x00000020 /* enable physical address extensions */ -#define X86_CR4_MCE 0x00000040 /* Machine check enable */ -#define X86_CR4_PGE 0x00000080 /* enable global pages */ -#define X86_CR4_PCE 0x00000100 /* enable performance counters at ipl 3 */ -#define X86_CR4_OSFXSR 0x00000200 /* enable fast FPU save and restore */ -#define X86_CR4_OSXMMEXCPT 0x00000400 /* enable unmasked SSE exceptions */ -#define X86_CR4_VMXE 0x00002000 /* enable VMX virtualization */ -#define X86_CR4_OSXSAVE 0x00040000 /* enable xsave and xrestore */ - -/* - * x86-64 Task Priority Register, CR8 - */ -#define X86_CR8_TPR 0x0000000F /* task priority register */ - -/* - * AMD and Transmeta use MSRs for configuration; see <asm/msr-index.h> - */ - -/* - * NSC/Cyrix CPU configuration register indexes - */ -#define CX86_PCR0 0x20 -#define CX86_GCR 0xb8 -#define CX86_CCR0 0xc0 -#define CX86_CCR1 0xc1 -#define CX86_CCR2 0xc2 -#define CX86_CCR3 0xc3 -#define CX86_CCR4 0xe8 -#define CX86_CCR5 0xe9 -#define CX86_CCR6 0xea -#define CX86_CCR7 0xeb -#define CX86_PCR1 0xf0 -#define CX86_DIR0 0xfe -#define CX86_DIR1 0xff -#define CX86_ARR_BASE 0xc4 -#define CX86_RCR_BASE 0xdc - -#ifdef __KERNEL__ -#ifdef CONFIG_VM86 -#define X86_VM_MASK X86_EFLAGS_VM -#else -#define X86_VM_MASK 0 /* No VM86 support */ -#endif -#endif - -#endif /* _ASM_X86_PROCESSOR_FLAGS_H */ diff --git a/arch/i386/include/asm/processor.h b/arch/i386/include/asm/processor.h deleted file mode 100644 index 22a129813c..0000000000 --- a/arch/i386/include/asm/processor.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_PROCESSOR_H_ -#define __ASM_PROCESSOR_H_ 1 - -#define GDT_ENTRY_32BIT_CS 2 -#define GDT_ENTRY_32BIT_DS (GDT_ENTRY_32BIT_CS + 1) -#define GDT_ENTRY_16BIT_CS (GDT_ENTRY_32BIT_DS + 1) -#define GDT_ENTRY_16BIT_DS (GDT_ENTRY_16BIT_CS + 1) - -#endif diff --git a/arch/i386/include/asm/ptrace.h b/arch/i386/include/asm/ptrace.h deleted file mode 100644 index a727dbfb05..0000000000 --- a/arch/i386/include/asm/ptrace.h +++ /dev/null @@ -1,90 +0,0 @@ -#ifndef _I386_PTRACE_H -#define _I386_PTRACE_H - -#include <asm/types.h> - -#define EBX 0 -#define ECX 1 -#define EDX 2 -#define ESI 3 -#define EDI 4 -#define EBP 5 -#define EAX 6 -#define DS 7 -#define ES 8 -#define FS 9 -#define GS 10 -#define ORIG_EAX 11 -#define EIP 12 -#define CS 13 -#define EFL 14 -#define UESP 15 -#define SS 16 -#define FRAME_SIZE 17 - -/* this struct defines the way the registers are stored on the - stack during a system call. */ - -struct pt_regs { - long ebx; - long ecx; - long edx; - long esi; - long edi; - long ebp; - long eax; - int xds; - int xes; - int xfs; - int xgs; - long orig_eax; - long eip; - int xcs; - long eflags; - long esp; - int xss; -} __attribute__ ((packed)); - -struct irq_regs { - /* Pushed by irq_common_entry */ - long ebx; - long ecx; - long edx; - long esi; - long edi; - long ebp; - long esp; - long eax; - long xds; - long xes; - long xfs; - long xgs; - long xss; - /* Pushed by vector handler (irq_<num>) */ - long irq_id; - /* Pushed by cpu in response to interrupt */ - long eip; - long xcs; - long eflags; -} __attribute__ ((packed)); - -/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_GETFPXREGS 18 -#define PTRACE_SETFPXREGS 19 - -#define PTRACE_SETOPTIONS 21 - -/* options set using PTRACE_SETOPTIONS */ -#define PTRACE_O_TRACESYSGOOD 0x00000001 - -#ifdef __KERNEL__ -#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs)) -#define instruction_pointer(regs) ((regs)->eip) -extern void show_regs(struct pt_regs *); -#endif - -#endif diff --git a/arch/i386/include/asm/realmode.h b/arch/i386/include/asm/realmode.h deleted file mode 100644 index 9177e4ec0d..0000000000 --- a/arch/i386/include/asm/realmode.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_REALMODE_H_ -#define __ASM_REALMODE_H_ -#include <asm/ptrace.h> - -int bios_setup(void); -int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out); -int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out); - -#endif diff --git a/arch/i386/include/asm/string.h b/arch/i386/include/asm/string.h deleted file mode 100644 index 3643a79fdf..0000000000 --- a/arch/i386/include/asm/string.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef __ASM_I386_STRING_H -#define __ASM_I386_STRING_H - -/* - * We don't do inline string functions, since the - * optimised inline asm versions are not small. - */ -#undef __HAVE_ARCH_STRNCPY -extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n); - -#undef __HAVE_ARCH_STRRCHR -extern char * strrchr(const char * s, int c); - -#undef __HAVE_ARCH_STRCHR -extern char * strchr(const char * s, int c); - -#undef __HAVE_ARCH_MEMCPY -extern void * memcpy(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMMOVE -extern void * memmove(void *, const void *, __kernel_size_t); - -#undef __HAVE_ARCH_MEMCHR -extern void * memchr(const void *, int, __kernel_size_t); - -#undef __HAVE_ARCH_MEMSET -extern void * memset(void *, int, __kernel_size_t); - -#undef __HAVE_ARCH_MEMZERO -extern void memzero(void *ptr, __kernel_size_t n); - -#endif diff --git a/arch/i386/include/asm/types.h b/arch/i386/include/asm/types.h deleted file mode 100644 index 9a40e383eb..0000000000 --- a/arch/i386/include/asm/types.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef __ASM_I386_TYPES_H -#define __ASM_I386_TYPES_H - -typedef unsigned short umode_t; - -/* - * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the - * header files exported to user space - */ - -typedef __signed__ char __s8; -typedef unsigned char __u8; - -typedef __signed__ short __s16; -typedef unsigned short __u16; - -typedef __signed__ int __s32; -typedef unsigned int __u32; - -#if defined(__GNUC__) -__extension__ typedef __signed__ long long __s64; -__extension__ typedef unsigned long long __u64; -#endif - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __KERNEL__ - -typedef signed char s8; -typedef unsigned char u8; - -typedef signed short s16; -typedef unsigned short u16; - -typedef signed int s32; -typedef unsigned int u32; - -typedef signed long long s64; -typedef unsigned long long u64; - -#define BITS_PER_LONG 32 - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -typedef unsigned long phys_addr_t; -typedef unsigned long phys_size_t; - -#endif /* __KERNEL__ */ - -#endif diff --git a/arch/i386/include/asm/u-boot-i386.h b/arch/i386/include/asm/u-boot-i386.h deleted file mode 100644 index 7b39bd2ae0..0000000000 --- a/arch/i386/include/asm/u-boot-i386.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _U_BOOT_I386_H_ -#define _U_BOOT_I386_H_ 1 - -/* cpu/.../cpu.c */ -int x86_cpu_init_r(void); -int cpu_init_r(void); -int x86_cpu_init_f(void); -int cpu_init_f(void); - -/* cpu/.../timer.c */ -void timer_isr(void *); -typedef void (timer_fnc_t) (void); -int register_timer_isr (timer_fnc_t *isr_func); - -/* Architecture specific - can be in arch/i386/cpu/, arch/i386/lib/, or $(BOARD)/ */ -int timer_init(void); -int dram_init_f(void); - -/* cpu/.../interrupts.c */ -int cpu_init_interrupts(void); - -/* board/.../... */ -int board_init(void); -int dram_init(void); - -void setup_pcat_compatibility(void); - -void isa_unmap_rom(u32 addr); -u32 isa_map_rom(u32 bus_addr, int size); - -/* arch/i386/lib/... */ -int video_bios_init(void); -int video_init(void); - - -#endif /* _U_BOOT_I386_H_ */ diff --git a/arch/i386/include/asm/u-boot.h b/arch/i386/include/asm/u-boot.h deleted file mode 100644 index a43b3aaded..0000000000 --- a/arch/i386/include/asm/u-boot.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - ******************************************************************** - * NOTE: This header file defines an interface to U-Boot. Including - * this (unmodified) header file in another file is considered normal - * use of U-Boot, and does *not* fall under the heading of "derived - * work". - ******************************************************************** - */ - -#ifndef _U_BOOT_H_ -#define _U_BOOT_H_ 1 - -typedef struct bd_info { - unsigned long bi_memstart; /* start of DRAM memory */ - phys_size_t bi_memsize; /* size of DRAM memory in bytes */ - unsigned long bi_flashstart; /* start of FLASH memory */ - unsigned long bi_flashsize; /* size of FLASH memory */ - unsigned long bi_flashoffset; /* reserved area for startup monitor */ - unsigned long bi_sramstart; /* start of SRAM memory */ - unsigned long bi_sramsize; /* size of SRAM memory */ - unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ - unsigned long bi_ip_addr; /* IP Address */ - unsigned short bi_ethspeed; /* Ethernet speed in Mbps */ - unsigned long bi_intfreq; /* Internal Freq, in MHz */ - unsigned long bi_busfreq; /* Bus Freq, in MHz */ - unsigned int bi_baudrate; /* Console Baudrate */ - unsigned long bi_boot_params; /* where this board expects params */ - struct /* RAM configuration */ - { - ulong start; - ulong size; - }bi_dram[CONFIG_NR_DRAM_BANKS]; -} bd_t; - -#endif /* _U_BOOT_H_ */ diff --git a/arch/i386/include/asm/unaligned.h b/arch/i386/include/asm/unaligned.h deleted file mode 100644 index 6cecbbb211..0000000000 --- a/arch/i386/include/asm/unaligned.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/unaligned.h> diff --git a/arch/i386/include/asm/video/edid.h b/arch/i386/include/asm/video/edid.h deleted file mode 100644 index 928c342b33..0000000000 --- a/arch/i386/include/asm/video/edid.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __linux_video_edid_h__ -#define __linux_video_edid_h__ - -#if !defined(__KERNEL__) || defined(CONFIG_X86) - -struct edid_info { - unsigned char dummy[128]; -}; - -#ifdef __KERNEL__ -extern struct edid_info edid_info; -#endif /* __KERNEL__ */ - -#endif - -#endif /* __linux_video_edid_h__ */ diff --git a/arch/i386/include/asm/zimage.h b/arch/i386/include/asm/zimage.h deleted file mode 100644 index b6266e456a..0000000000 --- a/arch/i386/include/asm/zimage.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _ASM_ZIMAGE_H_ -#define _ASM_ZIMAGE_H_ - -/* linux i386 zImage/bzImage header. Offsets relative to - * the start of the image */ - -#define CMD_LINE_MAGIC_OFF 0x020 /* Magic 0xa33f if the offset below is valid */ -#define CMD_LINE_OFFSET_OFF 0x022 /* Offset to comandline */ -#define SETUP_SECTS_OFF 0x1F1 /* The size of the setup in sectors */ -#define ROOT_FLAGS_OFF 0x1F2 /* If set, the root is mounted readonly */ -#define VID_MODE_OFF 0x1FA /* Video mode control */ -#define ROOT_DEV_OFF 0x1FC /* Default root device number */ -#define BOOT_FLAG_OFF 0x1FE /* 0xAA55 magic number */ -#define HEADER_OFF 0x202 /* Magic signature "HdrS" */ -#define VERSION_OFF 0x206 /* Boot protocol version supported */ -#define REALMODE_SWTCH_OFF 0x208 /* Boot loader hook (see below) */ -#define START_SYS_OFF 0x20C /* Points to kernel version string */ -#define TYPE_OF_LOADER_OFF 0x210 /* Boot loader identifier */ -#define LOADFLAGS_OFF 0x211 /* Boot protocol option flags */ -#define SETUP_MOVE_SIZE_OFF 0x212 /* Move to high memory size (used with hooks) */ -#define CODE32_START_OFF 0x214 /* Boot loader hook (see below) */ -#define RAMDISK_IMAGE_OFF 0x218 /* initrd load address (set by boot loader) */ -#define RAMDISK_SIZE_OFF 0x21C /* initrd size (set by boot loader) */ -#define HEAP_END_PTR_OFF 0x224 /* Free memory after setup end */ -#define CMD_LINE_PTR_OFF 0x228 /* 32-bit pointer to the kernel command line */ - - -#define HEAP_FLAG 0x80 -#define BIG_KERNEL_FLAG 0x01 - -/* magic numbers */ -#define KERNEL_MAGIC 0xaa55 -#define KERNEL_V2_MAGIC 0x53726448 -#define COMMAND_LINE_MAGIC 0xA33F - -/* limits */ -#define BZIMAGE_MAX_SIZE 15*1024*1024 /* 15MB */ -#define ZIMAGE_MAX_SIZE 512*1024 /* 512k */ -#define SETUP_MAX_SIZE 32768 - -#define SETUP_START_OFFSET 0x200 -#define BZIMAGE_LOAD_ADDR 0x100000 -#define ZIMAGE_LOAD_ADDR 0x10000 - -void *load_zimage(char *image, unsigned long kernel_size, - unsigned long initrd_addr, unsigned long initrd_size, - int auto_boot); - -void boot_zimage(void *setup_base); - -#endif diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile deleted file mode 100644 index 71e94f76f3..0000000000 --- a/arch/i386/lib/Makefile +++ /dev/null @@ -1,59 +0,0 @@ -# -# (C) Copyright 2002-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(ARCH).o - -SOBJS-y += bios.o -SOBJS-y += bios_pci.o -SOBJS-y += realmode_switch.o - -COBJS-y += bios_setup.o -COBJS-y += board.o -COBJS-y += bootm.o -COBJS-y += interrupts.o -COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o -COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o -COBJS-$(CONFIG_PCI) += pci.o -COBJS-$(CONFIG_PCI) += pci_type1.o -COBJS-y += realmode.o -COBJS-y += timer.o -COBJS-y += video_bios.o -COBJS-y += video.o -COBJS-y += zimage.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) - $(call cmd_link_o_target, $(OBJS)) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/arch/i386/lib/bios.S b/arch/i386/lib/bios.S deleted file mode 100644 index 660a244394..0000000000 --- a/arch/i386/lib/bios.S +++ /dev/null @@ -1,531 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * Based on msbios.c from rolo 1.6: - *---------------------------------------------------------------------- - * (C) Copyright 2000 - * Sysgo Real-Time Solutions GmbH - * Klein-Winternheim, Germany - *---------------------------------------------------------------------- - */ - -#include "bios.h" - -/* - * During it's initialization phase, before switching to protected - * mode, the Linux Kernel makes a few BIOS calls. This won't work - * if the board does not have a BIOS. - * - * This is a very minimalisic BIOS that supplies just enough - * functionality to keep the Linux Kernel happy. It is NOT - * a general purpose replacement for a real BIOS !! - */ - -.section .bios, "ax" -.code16 -.org 0 - /* a call to f000:0 should warmboot */ - jmp realmode_reset - -.globl rm_int00 -.hidden rm_int00 -.type rm_int00, @function -rm_int00: - pushw $0 - jmp any_interrupt16 -.globl rm_int01 -.hidden rm_int01 -.type rm_int01, @function -rm_int01: - pushw $1 - jmp any_interrupt16 -.globl rm_int02 -.hidden rm_int02 -.type rm_int02, @function -rm_int02: - pushw $2 - jmp any_interrupt16 -.globl rm_int03 -.hidden rm_int03 -.type rm_int03, @function -rm_int03: - pushw $3 - jmp any_interrupt16 -.globl rm_int04 -.hidden rm_int04 -.type rm_int04, @function -rm_int04: - pushw $4 - jmp any_interrupt16 -.globl rm_int05 -.hidden rm_int05 -.type rm_int05, @function -rm_int05: - pushw $5 - jmp any_interrupt16 -.globl rm_int06 -.hidden rm_int06 -.type rm_int06, @function -rm_int06: - pushw $6 - jmp any_interrupt16 -.globl rm_int07 -.hidden rm_int07 -.type rm_int07, @function -rm_int07: - pushw $7 - jmp any_interrupt16 -.globl rm_int08 -.hidden rm_int08 -.type rm_int08, @function -rm_int08: - pushw $8 - jmp any_interrupt16 -.globl rm_int09 -.hidden rm_int09 -.type rm_int09, @function -rm_int09: - pushw $9 - jmp any_interrupt16 -.globl rm_int0a -.hidden rm_int0a -.type rm_int0a, @function -rm_int0a: - pushw $10 - jmp any_interrupt16 -.globl rm_int0b -.hidden rm_int0b -.type rm_int0b, @function -rm_int0b: - pushw $11 - jmp any_interrupt16 -.globl rm_int0c -.hidden rm_int0c -.type rm_int0c, @function -rm_int0c: - pushw $12 - jmp any_interrupt16 -.globl rm_int0d -.hidden rm_int0d -.type rm_int0d, @function -rm_int0d: - pushw $13 - jmp any_interrupt16 -.globl rm_int0e -.hidden rm_int0e -.type rm_int0e, @function -rm_int0e: - pushw $14 - jmp any_interrupt16 -.globl rm_int0f -.hidden rm_int0f -.type rm_int0f, @function -rm_int0f: - pushw $15 - jmp any_interrupt16 -.globl rm_int10 -.hidden rm_int10 -.type rm_int10, @function -rm_int10: - pushw $16 - jmp any_interrupt16 -.globl rm_int11 -.hidden rm_int11 -.type rm_int11, @function -rm_int11: - pushw $17 - jmp any_interrupt16 -.globl rm_int12 -.hidden rm_int12 -.type rm_int12, @function -rm_int12: - pushw $18 - jmp any_interrupt16 -.globl rm_int13 -.hidden rm_int13 -.type rm_int13, @function -rm_int13: - pushw $19 - jmp any_interrupt16 -.globl rm_int14 -.hidden rm_int14 -.type rm_int14, @function -rm_int14: - pushw $20 - jmp any_interrupt16 -.globl rm_int15 -.hidden rm_int15 -.type rm_int15, @function -rm_int15: - pushw $21 - jmp any_interrupt16 -.globl rm_int16 -.hidden rm_int16 -.type rm_int16, @function -rm_int16: - pushw $22 - jmp any_interrupt16 -.globl rm_int17 -.hidden rm_int17 -.type rm_int17, @function -rm_int17: - pushw $23 - jmp any_interrupt16 -.globl rm_int18 -.hidden rm_int18 -.type rm_int18, @function -rm_int18: - pushw $24 - jmp any_interrupt16 -.globl rm_int19 -.hidden rm_int19 -.type rm_int19, @function -rm_int19: - pushw $25 - jmp any_interrupt16 -.globl rm_int1a -.hidden rm_int1a -.type rm_int1a, @function -rm_int1a: - pushw $26 - jmp any_interrupt16 -.globl rm_int1b -.hidden rm_int1b -.type rm_int1b, @function -rm_int1b: - pushw $27 - jmp any_interrupt16 -.globl rm_int1c -.hidden rm_int1c -.type rm_int1c, @function -rm_int1c: - pushw $28 - jmp any_interrupt16 -.globl rm_int1d -.hidden rm_int1d -.type rm_int1d, @function -rm_int1d: - pushw $29 - jmp any_interrupt16 -.globl rm_int1e -.hidden rm_int1e -.type rm_int1e, @function -rm_int1e: - pushw $30 - jmp any_interrupt16 -.globl rm_int1f -.hidden rm_int1f -.type rm_int1f, @function -rm_int1f: - pushw $31 - jmp any_interrupt16 -.globl rm_def_int -.hidden rm_def_int -.type rm_def_int, @function -rm_def_int: - iret - - - /* - * All interrupt jumptable entries jump to here - * after pushing the interrupt vector number onto the - * stack. - */ -any_interrupt16: - MAKE_BIOS_STACK - -gs movw OFFS_VECTOR(%bp), %ax - cmpw $0x10, %ax - je Lint_10h - cmpw $0x11, %ax - je Lint_11h - cmpw $0x12, %ax - je Lint_12h - cmpw $0x13, %ax - je Lint_13h - cmpw $0x15, %ax - je Lint_15h - cmpw $0x16, %ax - je Lint_16h - cmpw $0x1a, %ax - je Lint_1ah - movw $0xffff, %ax - jmp Lout -Lint_10h: /* VGA BIOS services */ - call bios_10h - jmp Lout -Lint_11h: - call bios_11h - jmp Lout -Lint_12h: - call bios_12h - jmp Lout -Lint_13h: /* BIOS disk services */ - call bios_13h - jmp Lout -Lint_15h: /* Misc. BIOS services */ - call bios_15h - jmp Lout -Lint_16h: /* keyboard services */ - call bios_16h - jmp Lout -Lint_1ah: /* PCI bios */ - call bios_1ah - jmp Lout -Lout: - cmpw $0, %ax - je Lhandeled - - /* Insert code for unhandeled INTs here. - * - * ROLO prints a message to the console - * (we could do that but then we're in 16bit mode - * so we'll have to get back into 32bit mode - * to use the console I/O routines (if we do this - * we shuls make int 0x10 and int 0x16 work as well)) - */ -Lhandeled: - RESTORE_CALLERS_STACK - addw $2,%sp /* dump vector number */ - iret /* return from interrupt */ - - -/* - ************************************************************ - * BIOS interrupt 10h -- VGA services - ************************************************************ - */ -bios_10h: -gs movw OFFS_AX(%bp), %ax - shrw $8, %ax - cmpw $0x3, %ax - je Lcur_pos - cmpw $0xf, %ax - je Lvid_state - cmpw $0x12, %ax - je Lvid_cfg - movw $0xffff, %ax - ret -Lcur_pos: /* Read Cursor Position and Size */ -gs movw $0, OFFS_CX(%bp) -gs movw $0, OFFS_DX(%bp) - xorw %ax, %ax - ret -Lvid_state: /* Get Video State */ -gs movw $(80 << 8|0x03), OFFS_AX(%bp) /* 80 columns, 80x25, 16 colors */ -gs movw $0, OFFS_BX(%bp) - xorw %ax, %ax - ret -Lvid_cfg: /* Video Subsystem Configuration (EGA/VGA) */ -gs movw $0x10, OFFS_BX(%bp) /* indicate CGA/MDA/HGA */ - xorw %ax, %ax - ret - - -/* - ************************************************************ - * BIOS interrupt 11h -- Equipment determination - ************************************************************ - */ - -bios_11h: -cs movw bios_equipment, %ax -gs movw %ax, OFFS_AX(%bp) - xorw %ax, %ax - ret - - -/* - ************************************************************ - * BIOS interrupt 12h -- Get Memory Size - ************************************************************ - */ -bios_12h: -cs movw ram_in_64kb_chunks, %ax - cmpw $0xa, %ax - ja b12_more_than_640k - shlw $6, %ax - jmp b12_return -b12_more_than_640k: - movw $0x280, %ax -b12_return: -gs movw %ax, OFFS_AX(%bp) /* return number of kilobytes in ax */ - -gs movw OFFS_FLAGS(%bp), %ax - andw $0xfffe, %ax /* clear carry -- function succeeded */ -gs movw %ax, OFFS_FLAGS(%bp) - - xorw %ax, %ax - ret - - -/* - ************************************************************ - * BIOS interrupt 13h -- Disk services - ************************************************************ - */ -bios_13h: -gs movw OFFS_AX(%bp), %ax - shrw $8, %ax - cmpw $0x15, %ax - je Lfunc_15h - movw $0xffff, %ax - ret -Lfunc_15h: -gs movw OFFS_AX(%bp), %ax - andw $0xff, %ax /* return AH=0->drive not present */ -gs movw %ax, OFFS_AX(%bp) - xorw %ax, %ax - ret - - -/* - *********************************************************** - * BIOS interrupt 15h -- Miscellaneous services - *********************************************************** - */ -bios_15h: -gs movw OFFS_AX(%bp), %ax - shrw $8, %ax - cmpw $0xc0, %ax - je Lfunc_c0h - cmpw $0xe8, %ax - je Lfunc_e8h - cmpw $0x88, %ax - je Lfunc_88h - movw $0xffff, %ax - ret - -Lfunc_c0h: /* Return System Configuration Parameters (PS2 only) */ -gs movw OFFS_FLAGS(%bp), %ax - orw $1, %ax /* return carry -- function not supported */ -gs movw %ax, OFFS_FLAGS(%bp) - xorw %ax, %ax - ret - -Lfunc_e8h: -gs movw OFFS_AX(%bp), %ax - andw $0xff, %ax - cmpw $1, %ax - je Lfunc_e801h -gs movw OFFS_FLAGS(%bp), %ax - orw $1, %ax /* return carry -- function not supported */ -gs movw %ax, OFFS_FLAGS(%bp) - xorw %ax, %ax - ret - -Lfunc_e801h: /* Get memory size for >64M Configurations */ -cs movw ram_in_64kb_chunks, %ax - cmpw $0x100, %ax - ja e801_more_than_16mb - shlw $6, %ax /* multiply by 64 */ - subw $0x400, %ax /* 1st meg does not count */ - -gs movw %ax, OFFS_AX(%bp) /* return memory size between 1M and 16M in 1kb chunks in AX and CX */ -gs movw %ax, OFFS_CX(%bp) -gs movw $0, OFFS_BX(%bp) /* set BX and DX to 0*/ -gs movw $0, OFFS_DX(%bp) -gs movw OFFS_FLAGS(%bp), %ax - andw $0xfffe, %ax /* clear carry -- function succeeded */ -gs movw %ax, OFFS_FLAGS(%bp) - xorw %ax, %ax - ret - -e801_more_than_16mb: - subw $0x100, %ax /* subtract 16MB */ - -gs movw $0x3c00, OFFS_AX(%bp) /* return 0x3c00 (16MB-1MB) in AX and CX */ -gs movw $0x3c00, OFFS_CX(%bp) -gs movw %ax, OFFS_BX(%bp) /* set BX and DX to number of 64kb chunks above 16MB */ -gs movw %ax, OFFS_DX(%bp) - -gs movw OFFS_FLAGS(%bp), %ax - andw $0xfffe, %ax /* clear carry -- function succeeded */ -gs movw %ax, OFFS_FLAGS(%bp) - xorw %ax, %ax - ret - -Lfunc_88h: -cs movw ram_in_64kb_chunks, %ax - cmpw $0x100, %ax - jna b88_not_more_than16 - movw $0x100, %ax -b88_not_more_than16: - shlw $6, %ax - subw $0x400, %ax /* 1st meg does not count */ - -gs movw %ax, OFFS_AX(%bp) /* return number of kilobytes between 16MB and 16MB in ax */ - -gs movw OFFS_FLAGS(%bp), %ax - andw $0xfffe, %ax /* clear carry -- function succeeded */ -gs movw %ax, OFFS_FLAGS(%bp) - - xorw %ax, %ax - ret - - -/* - ************************************************************ - * BIOS interrupt 16h -- keyboard services - ************************************************************ - */ -bios_16h: -gs movw OFFS_AX(%bp), %ax - shrw $8, %ax - cmpw $0x03, %ax - je Lfunc_03h - movw $0xffff, %ax - ret -Lfunc_03h: - xorw %ax, %ax /* do nothing -- function not supported */ - ret - -/* - ************************************************************ - * BIOS interrupt 1ah -- PCI bios - ************************************************************ - */ -bios_1ah: -gs movw OFFS_AX(%bp), %ax - cmpb $0xb1, %ah - je Lfunc_b1h - movw $0xffff, %ax - ret -Lfunc_b1h: - call realmode_pci_bios - xorw %ax, %ax /* do nothing -- function not supported */ - ret - - -.globl ram_in_64kb_chunks -.hidden ram_in_64kb_chunks -.type ram_in_64kb_chunks, @function -ram_in_64kb_chunks: - .word 0 - -.globl bios_equipment -.hidden bios_equipment -.type bios_equipment, @function -bios_equipment: - .word 0 diff --git a/arch/i386/lib/bios.h b/arch/i386/lib/bios.h deleted file mode 100644 index 3c8d61a6f4..0000000000 --- a/arch/i386/lib/bios.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef _BIOS_H_ -#define _BIOS_H_ - -#define OFFS_ES 0 /* 16bit */ -#define OFFS_GS 2 /* 16bit */ -#define OFFS_DS 4 /* 16bit */ -#define OFFS_EDI 6 /* 32bit */ -#define OFFS_DI 6 /* low 16 bits of EDI */ -#define OFFS_ESI 10 /* 32bit */ -#define OFFS_SI 10 /* low 16 bits of ESI */ -#define OFFS_EBP 14 /* 32bit */ -#define OFFS_BP 14 /* low 16 bits of EBP */ -#define OFFS_ESP 18 /* 32bit */ -#define OFFS_SP 18 /* low 16 bits of ESP */ -#define OFFS_EBX 22 /* 32bit */ -#define OFFS_BX 22 /* low 16 bits of EBX */ -#define OFFS_BL 22 /* low 8 bits of BX */ -#define OFFS_BH 23 /* high 8 bits of BX */ -#define OFFS_EDX 26 /* 32bit */ -#define OFFS_DX 26 /* low 16 bits of EBX */ -#define OFFS_DL 26 /* low 8 bits of BX */ -#define OFFS_DH 27 /* high 8 bits of BX */ -#define OFFS_ECX 30 /* 32bit */ -#define OFFS_CX 30 /* low 16 bits of EBX */ -#define OFFS_CL 30 /* low 8 bits of BX */ -#define OFFS_CH 31 /* high 8 bits of BX */ -#define OFFS_EAX 34 /* 32bit */ -#define OFFS_AX 34 /* low 16 bits of EBX */ -#define OFFS_AL 34 /* low 8 bits of BX */ -#define OFFS_AH 35 /* high 8 bits of BX */ -#define OFFS_VECTOR 38 /* 16bit */ -#define OFFS_IP 40 /* 16bit */ -#define OFFS_CS 42 /* 16bit */ -#define OFFS_FLAGS 44 /* 16bit */ - -#define SEGMENT 0x40 -#define STACK 0x800 /* stack at 0x40:0x800 -> 0x800 */ - -/* save general registers */ -/* save some segments */ -/* save callers stack segment .. */ -/* ... in gs */ - /* setup my segments */ - /* setup BIOS stackpointer */ - -#define MAKE_BIOS_STACK \ - pushal; \ - pushw %ds; \ - pushw %gs; \ - pushw %es; \ - pushw %ss; \ - popw %gs; \ - movw $SEGMENT, %ax; \ - movw %ax, %ds; \ - movw %ax, %es; \ - movw %ax, %ss; \ - movw %sp, %bp; \ - movw $STACK, %sp - -#define RESTORE_CALLERS_STACK \ - pushw %gs; /* restore callers stack segment */ \ - popw %ss; \ - movw %bp, %sp; /* restore stackpointer */ \ - popw %es; /* restore segment selectors */ \ - popw %gs; \ - popw %ds; \ - popal /* restore GP registers */ - -#endif diff --git a/arch/i386/lib/bios_pci.S b/arch/i386/lib/bios_pci.S deleted file mode 100644 index 9e412e5e4c..0000000000 --- a/arch/i386/lib/bios_pci.S +++ /dev/null @@ -1,413 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * x86 realmode assembly implementation of a PCI BIOS - * for platforms that use one PCI hose and configuration - * access type 1. (The common case for low-end PC's) - */ - -#include "bios.h" - -#define PCI_BIOS_DEBUG - -.section .bios, "ax" -.code16 -.globl realmode_pci_bios_call_entry -.hidden realmode_pci_bios_call_entry -.type realmode_pci_bios_call_entry, @function -realmode_pci_bios_call_entry: - MAKE_BIOS_STACK - call realmode_pci_bios - RESTORE_CALLERS_STACK - ret - - -.globl realmode_pci_bios -realmode_pci_bios: -gs movw OFFS_AX(%bp), %ax - cmpb $1, %al - je pci_bios_present - cmpb $2, %al - je pci_bios_find_device - cmpb $3, %al - je pci_bios_find_class - cmpb $6, %al - je pci_bios_generate_special_cycle - cmpb $8, %al - je pci_bios_read_cfg_byte - cmpb $9, %al - je pci_bios_read_cfg_word - cmpb $10, %al - je pci_bios_read_cfg_dword - cmpb $11, %al - je pci_bios_write_cfg_byte - cmpb $12, %al - je pci_bios_write_cfg_word - cmpb $13, %al - je pci_bios_write_cfg_dword - cmpb $14, %al - je pci_bios_get_irq_routing - cmpb $15, %al - je pci_bios_set_irq - jmp unknown_function - -/*****************************************************************************/ - -pci_bios_present: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_present -#endif - movl $0x20494350, %eax -gs movl %eax, OFFS_EDX(%bp) - movb $0x01, %al -gs movb %al, OFFS_AL(%bp) /* We support cfg type 1 */ - movw $0x0210, %ax /* version 2.10 */ -gs movw %ax, OFFS_BX(%bp) -cs movb pci_last_bus, %al /* last bus number */ -gs movb %al, OFFS_CL(%bp) - jmp clear_carry - -/*****************************************************************************/ - -/* device 0-31, function 0-7 */ -pci_bios_find_device: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_find_device -#endif -gs movw OFFS_CX(%bp), %di - shll $16, %edi -gs movw OFFS_DX(%bp), %di /* edi now holds device in upper 16 - * bits and vendor in lower 16 bits */ -gs movw OFFS_SI(%bp), %si - xorw %bx, %bx /* start at bus 0 dev 0 function 0 */ -pfd_loop: - xorw %ax, %ax /* dword 0 is vendor/device */ - call __pci_bios_select_register - movw $0xcfc, %dx - inl %dx, %eax - cmpl %edi, %eax /* our device ? */ - je pfd_found_one -pfd_next_dev: - /* check for multi function devices */ - movw %bx, %ax - andw $3, %ax - jnz pfd_function_not_zero - movw $0x000c, %ax - call __pci_bios_select_register - movw $0xcfe, %dx - inb %dx, %al - andb $0x80, %al - jz pfd_not_multi_function -pfd_function_not_zero: - incw %bx /* next function, overflows in to - * device number, then bus number */ - jmp pfd_check_bus - -pfd_not_multi_function: - andw $0xfff8, %bx /* remove function bits */ - addw $0x0008, %bx /* next device, overflows in to bus number */ -pfd_check_bus: -cs movb pci_last_bus, %ah - cmpb %ah, %bh - ja pfd_not_found - jmp pfd_loop -pfd_found_one: - decw %si - js pfd_done - jmp pfd_next_dev - -pfd_done: -gs movw %bx, OFFS_BX(%bp) - jmp clear_carry - -pfd_not_found: - movb $0x86, %ah /* device not found */ - jmp set_carry - -/*****************************************************************************/ - -pci_bios_find_class: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_find_class -#endif -gs movl OFFS_ECX(%bp), %edi - andl $0x00ffffff, %edi /* edi now holds class-code in lower 24 bits */ -gs movw OFFS_SI(%bp), %si - xorw %bx, %bx /* start at bus 0 dev 0 function 0 */ -pfc_loop: - movw $8, %ax /* dword 8 is class-code high 24bits */ - call __pci_bios_select_register - movw $0xcfc, %dx - inl %dx, %eax - shrl $8, %eax - andl $0x00ffffff, %eax - cmpl %edi, %eax /* our device ? */ - je pfc_found_one -pfc_next_dev: - /* check for multi function devices */ - andw $3, %bx - jnz pfc_function_not_zero - movw $0x000c, %ax - call __pci_bios_select_register - movw $0xcfe, %dx - inb %dx, %al - andb $0x80, %al - jz pfc_not_multi_function -pfc_function_not_zero: - incw %bx /* next function, overflows in to - * device number, then bus number */ - jmp pfc_check_bus - -pfc_not_multi_function: - andw $0xfff8, %bx /* remove function bits */ - addw $0x0008, %bx /* next device, overflows in to bus number */ -pfc_check_bus: -cs movb pci_last_bus, %ah - cmpb %ah, %bh - ja pfc_not_found - jmp pfc_loop -pfc_found_one: - decw %si - js pfc_done - jmp pfc_next_dev - -pfc_done: -gs movw %bx, OFFS_BX(%bp) - jmp clear_carry - -pfc_not_found: - movb $0x86, %ah /* device not found */ - jmp set_carry - -/*****************************************************************************/ - -pci_bios_generate_special_cycle: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_generate_special_cycle -#endif - movb $0x81, %ah /* function not supported */ - jmp set_carry - -/*****************************************************************************/ - -pci_bios_read_cfg_byte: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_read_cfg_byte -#endif - call pci_bios_select_register -gs movw OFFS_DI(%bp), %dx - andw $3, %dx - addw $0xcfc, %dx - inb %dx, %al -gs movb %al, OFFS_CL(%bp) - jmp clear_carry - -/*****************************************************************************/ - -pci_bios_read_cfg_word: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_read_cfg_word -#endif - call pci_bios_select_register -gs movw OFFS_DI(%bp), %dx - andw $2, %dx - addw $0xcfc, %dx - inw %dx, %ax -gs movw %ax, OFFS_CX(%bp) - jmp clear_carry - - -/*****************************************************************************/ - -pci_bios_read_cfg_dword: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_read_cfg_dword -#endif - call pci_bios_select_register - movw $0xcfc, %dx - inl %dx, %eax -gs movl %eax, OFFS_ECX(%bp) - jmp clear_carry - -/*****************************************************************************/ - -pci_bios_write_cfg_byte: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_write_cfg_byte -#endif - call pci_bios_select_register -gs movw OFFS_DI(%bp), %dx -gs movb OFFS_CL(%bp), %al - andw $3, %dx - addw $0xcfc, %dx - outb %al, %dx - jmp clear_carry - -/*****************************************************************************/ - -pci_bios_write_cfg_word: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_write_cfg_word -#endif - call pci_bios_select_register -gs movw OFFS_DI(%bp), %dx -gs movw OFFS_CX(%bp), %ax - andw $2, %dx - addw $0xcfc, %dx - outw %ax, %dx - jmp clear_carry - -/*****************************************************************************/ - -pci_bios_write_cfg_dword: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_write_cfg_dword -#endif - call pci_bios_select_register -gs movl OFFS_ECX(%bp), %eax - movw $0xcfc, %dx - outl %eax, %dx - jmp clear_carry - -/*****************************************************************************/ - -pci_bios_get_irq_routing: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_get_irq_routing -#endif - movb $0x81, %ah /* function not supported */ - jmp set_carry - -/*****************************************************************************/ - -pci_bios_set_irq: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_set_irq -#endif - movb $0x81, %ah /* function not supported */ - jmp set_carry - -/*****************************************************************************/ - -unknown_function: -#ifdef PCI_BIOS_DEBUG -cs incl num_pci_bios_unknown_function -#endif - movb $0x81, %ah /* function not supported */ - jmp set_carry - -/*****************************************************************************/ - -pci_bios_select_register: -gs movw OFFS_BX(%bp), %bx -gs movw OFFS_DI(%bp), %ax -/* destroys eax, dx */ -__pci_bios_select_register: /* BX holds device id, AX holds register index */ - pushl %ebx - andl $0xfc, %eax - andl $0xffff, %ebx - shll $8, %ebx - orl %ebx, %eax - orl $0x80000000, %eax - movw $0xcf8, %dx - outl %eax, %dx - popl %ebx - ret - - -clear_carry: -gs movw OFFS_FLAGS(%bp), %ax - andw $0xfffe, %ax /* clear carry -- function succeeded */ -gs movw %ax, OFFS_FLAGS(%bp) - xorw %ax, %ax -gs movb %ah, OFFS_AH(%bp) - ret - -set_carry: -gs movb %ah, OFFS_AH(%bp) -gs movw OFFS_FLAGS(%bp), %ax - orw $1, %ax /* return carry -- function not supported */ -gs movw %ax, OFFS_FLAGS(%bp) - movw $-1, %ax - ret - -/*****************************************************************************/ - -.globl pci_last_bus -pci_last_bus: - .byte 0 - -#ifdef PCI_BIOS_DEBUG -.globl num_pci_bios_present -num_pci_bios_present: - .long 0 - -.globl num_pci_bios_find_device -num_pci_bios_find_device: - .long 0 - -.globl num_pci_bios_find_class -num_pci_bios_find_class: - .long 0 - -.globl num_pci_bios_generate_special_cycle -num_pci_bios_generate_special_cycle: - .long 0 - -.globl num_pci_bios_read_cfg_byte -num_pci_bios_read_cfg_byte: - .long 0 - -.globl num_pci_bios_read_cfg_word -num_pci_bios_read_cfg_word: - .long 0 - -.globl num_pci_bios_read_cfg_dword -num_pci_bios_read_cfg_dword: - .long 0 - -.globl num_pci_bios_write_cfg_byte -num_pci_bios_write_cfg_byte: - .long 0 - -.globl num_pci_bios_write_cfg_word -num_pci_bios_write_cfg_word: - .long 0 - -.globl num_pci_bios_write_cfg_dword -num_pci_bios_write_cfg_dword: - .long 0 - -.globl num_pci_bios_get_irq_routing -num_pci_bios_get_irq_routing: - .long 0 - -.globl num_pci_bios_set_irq -num_pci_bios_set_irq: - .long 0 - -.globl num_pci_bios_unknown_function -num_pci_bios_unknown_function: - .long 0 -#endif diff --git a/arch/i386/lib/bios_setup.c b/arch/i386/lib/bios_setup.c deleted file mode 100644 index 6949b35069..0000000000 --- a/arch/i386/lib/bios_setup.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * Partly based on msbios.c from rolo 1.6: - *---------------------------------------------------------------------- - * (C) Copyright 2000 - * Sysgo Real-Time Solutions GmbH - * Klein-Winternheim, Germany - *---------------------------------------------------------------------- - */ - -#include <common.h> -#include <pci.h> -#include <asm/realmode.h> -#include <asm/io.h> - -DECLARE_GLOBAL_DATA_PTR; - -#define NUMVECTS 256 - -#define BIOS_DATA ((char*)0x400) -#define BIOS_DATA_SIZE 256 -#define BIOS_BASE ((char*)0xf0000) -#define BIOS_CS 0xf000 - -extern ulong __bios_start; -extern ulong __bios_size; - -/* these are defined in a 16bit segment and needs - * to be accessed with the RELOC_16_xxxx() macros below - */ -extern u16 ram_in_64kb_chunks; -extern u16 bios_equipment; -extern u8 pci_last_bus; - -extern void *rm_int00; -extern void *rm_int01; -extern void *rm_int02; -extern void *rm_int03; -extern void *rm_int04; -extern void *rm_int05; -extern void *rm_int06; -extern void *rm_int07; -extern void *rm_int08; -extern void *rm_int09; -extern void *rm_int0a; -extern void *rm_int0b; -extern void *rm_int0c; -extern void *rm_int0d; -extern void *rm_int0e; -extern void *rm_int0f; -extern void *rm_int10; -extern void *rm_int11; -extern void *rm_int12; -extern void *rm_int13; -extern void *rm_int14; -extern void *rm_int15; -extern void *rm_int16; -extern void *rm_int17; -extern void *rm_int18; -extern void *rm_int19; -extern void *rm_int1a; -extern void *rm_int1b; -extern void *rm_int1c; -extern void *rm_int1d; -extern void *rm_int1e; -extern void *rm_int1f; -extern void *rm_def_int; - -extern void *realmode_reset; -extern void *realmode_pci_bios_call_entry; - -static int set_jmp_vector(int entry_point, void *target) -{ - if (entry_point & ~0xffff) { - return -1; - } - - if (((u32)target-0xf0000) & ~0xffff) { - return -1; - } - printf("set_jmp_vector: 0xf000:%04x -> %p\n", - entry_point, target); - - /* jmp opcode */ - writeb(0xea, 0xf0000 + entry_point); - - /* offset */ - writew(((u32)target-0xf0000), 0xf0000 + entry_point + 1); - - /* segment */ - writew(0xf000, 0xf0000 + entry_point + 3); - - return 0; -} - - -/* - ************************************************************ - * Install an interrupt vector - ************************************************************ - */ - -static void setvector(int vector, u16 segment, void *handler) -{ - u16 *ptr = (u16*)(vector*4); - ptr[0] = ((u32)handler - (segment << 4))&0xffff; - ptr[1] = segment; - -#if 0 - printf("setvector: int%02x -> %04x:%04x\n", - vector, ptr[1], ptr[0]); -#endif -} - -#define RELOC_16_LONG(seg, off) *(u32*)(seg << 4 | (u32)&off) -#define RELOC_16_WORD(seg, off) *(u16*)(seg << 4 | (u32)&off) -#define RELOC_16_BYTE(seg, off) *(u8*)(seg << 4 | (u32)&off) - -int bios_setup(void) -{ - ulong bios_start = (ulong)&__bios_start + gd->reloc_off; - ulong bios_size = (ulong)&__bios_size; - - static int done=0; - int vector; -#ifdef CONFIG_PCI - struct pci_controller *pri_hose; -#endif - if (done) { - return 0; - } - done = 1; - - if (bios_size > 65536) { - printf("BIOS too large (%ld bytes, max is 65536)\n", - bios_size); - return -1; - } - - memcpy(BIOS_BASE, (void*)bios_start, bios_size); - - /* clear bda */ - memset(BIOS_DATA, 0, BIOS_DATA_SIZE); - - /* enter some values to the bda */ - writew(0x3f8, BIOS_DATA); /* com1 addr */ - writew(0x2f8, BIOS_DATA+2); /* com2 addr */ - writew(0x3e8, BIOS_DATA+4); /* com3 addr */ - writew(0x2e8, BIOS_DATA+6); /* com4 addr */ - writew(0x278, BIOS_DATA+8); /* lpt1 addr */ - /* - * The kernel wants to read the base memory size - * from 40:13. Put a zero there to avoid an error message - */ - writew(0, BIOS_DATA+0x13); /* base memory size */ - - - /* setup realmode interrupt vectors */ - for (vector = 0; vector < NUMVECTS; vector++) { - setvector(vector, BIOS_CS, &rm_def_int); - } - - setvector(0x00, BIOS_CS, &rm_int00); - setvector(0x01, BIOS_CS, &rm_int01); - setvector(0x02, BIOS_CS, &rm_int02); - setvector(0x03, BIOS_CS, &rm_int03); - setvector(0x04, BIOS_CS, &rm_int04); - setvector(0x05, BIOS_CS, &rm_int05); - setvector(0x06, BIOS_CS, &rm_int06); - setvector(0x07, BIOS_CS, &rm_int07); - setvector(0x08, BIOS_CS, &rm_int08); - setvector(0x09, BIOS_CS, &rm_int09); - setvector(0x0a, BIOS_CS, &rm_int0a); - setvector(0x0b, BIOS_CS, &rm_int0b); - setvector(0x0c, BIOS_CS, &rm_int0c); - setvector(0x0d, BIOS_CS, &rm_int0d); - setvector(0x0e, BIOS_CS, &rm_int0e); - setvector(0x0f, BIOS_CS, &rm_int0f); - setvector(0x10, BIOS_CS, &rm_int10); - setvector(0x11, BIOS_CS, &rm_int11); - setvector(0x12, BIOS_CS, &rm_int12); - setvector(0x13, BIOS_CS, &rm_int13); - setvector(0x14, BIOS_CS, &rm_int14); - setvector(0x15, BIOS_CS, &rm_int15); - setvector(0x16, BIOS_CS, &rm_int16); - setvector(0x17, BIOS_CS, &rm_int17); - setvector(0x18, BIOS_CS, &rm_int18); - setvector(0x19, BIOS_CS, &rm_int19); - setvector(0x1a, BIOS_CS, &rm_int1a); - setvector(0x1b, BIOS_CS, &rm_int1b); - setvector(0x1c, BIOS_CS, &rm_int1c); - setvector(0x1d, BIOS_CS, &rm_int1d); - setvector(0x1e, BIOS_CS, &rm_int1e); - setvector(0x1f, BIOS_CS, &rm_int1f); - - set_jmp_vector(0xfff0, &realmode_reset); - set_jmp_vector(0xfe6e, &realmode_pci_bios_call_entry); - - /* fill in data area */ - RELOC_16_WORD(0xf000, ram_in_64kb_chunks) = gd->ram_size >> 16; - RELOC_16_WORD(0xf000, bios_equipment) = 0; /* FixMe */ - - /* If we assume only one PCI hose, this PCI hose - * will own PCI bus #0, and the last PCI bus of - * that PCI hose will be the last PCI bus in the - * system. - * (This, ofcause break on multi hose systems, - * but our PCI BIOS only support one hose anyway) - */ -#ifdef CONFIG_PCI - pri_hose = pci_bus_to_hose(0); - if (NULL != pri_hose) { - /* fill in last pci bus number for use by the realmode - * PCI BIOS */ - RELOC_16_BYTE(0xf000, pci_last_bus) = pri_hose->last_busno; - } -#endif - return 0; -} diff --git a/arch/i386/lib/board.c b/arch/i386/lib/board.c deleted file mode 100644 index 6d947c6c28..0000000000 --- a/arch/i386/lib/board.c +++ /dev/null @@ -1,480 +0,0 @@ -/* - * (C) Copyright 2008-2011 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <stdio_dev.h> -#include <timestamp.h> -#include <version.h> -#include <malloc.h> -#include <net.h> -#include <ide.h> -#include <serial.h> -#include <asm/u-boot-i386.h> -#include <elf.h> - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -/* - * Pointer to initial global data area - * - * Here we initialize it. - */ -#undef XTRN_DECLARE_GLOBAL_DATA_PTR -#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ -DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR); - - -/* Exports from the Linker Script */ -extern ulong __text_start; -extern ulong __data_end; -extern ulong __rel_dyn_start; -extern ulong __rel_dyn_end; -extern ulong __bss_start; -extern ulong __bss_end; - -const char version_string[] = - U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"; - -/************************************************************************ - * Init Utilities * - ************************************************************************ - * Some of this code should be moved into the core functions, - * or dropped completely, - * but let's get it working (again) first... - */ -static int init_baudrate (void) -{ - char tmp[64]; /* long enough for environment variables */ - int i = getenv_f("baudrate", tmp, 64); - - gd->baudrate = (i != 0) - ? (int) simple_strtoul (tmp, NULL, 10) - : CONFIG_BAUDRATE; - - return (0); -} - -static int display_banner (void) -{ - - printf ("\n\n%s\n\n", version_string); -/* - printf ("U-Boot code: %08lX -> %08lX data: %08lX -> %08lX\n" - " BSS: %08lX -> %08lX stack: %08lX -> %08lX\n", - i386boot_start, i386boot_romdata_start-1, - i386boot_romdata_dest, i386boot_romdata_dest+i386boot_romdata_size-1, - i386boot_bss_start, i386boot_bss_start+i386boot_bss_size-1, - i386boot_bss_start+i386boot_bss_size, - i386boot_bss_start+i386boot_bss_size+CONFIG_SYS_STACK_SIZE-1); - -*/ - - return (0); -} - -static int display_dram_config (void) -{ - int i; - - puts ("DRAM Configuration:\n"); - - for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) { - printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); - print_size (gd->bd->bi_dram[i].size, "\n"); - } - - return (0); -} - -static void display_flash_config (ulong size) -{ - puts ("Flash: "); - print_size (size, "\n"); -} - -/* - * Breath some life into the board... - * - * Initialize an SMC for serial comms, and carry out some hardware - * tests. - * - * The first part of initialization is running from Flash memory; - * its main purpose is to initialize the RAM so that we - * can relocate the monitor code to RAM. - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependend #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t) (void); - -static int calculate_relocation_address(void); -static int copy_uboot_to_ram(void); -static int clear_bss(void); -static int do_elf_reloc_fixups(void); - -init_fnc_t *init_sequence_f[] = { - cpu_init_f, - board_early_init_f, - env_init, - init_baudrate, - serial_init, - console_init_f, - dram_init_f, - calculate_relocation_address, - copy_uboot_to_ram, - clear_bss, - do_elf_reloc_fixups, - - NULL, -}; - -init_fnc_t *init_sequence_r[] = { - cpu_init_r, /* basic cpu dependent setup */ - board_early_init_r, /* basic board dependent setup */ - dram_init, /* configure available RAM banks */ - interrupt_init, /* set up exceptions */ - timer_init, - display_banner, - display_dram_config, - - NULL, -}; - -gd_t *gd; - -static int calculate_relocation_address(void) -{ - void *text_start = &__text_start; - void *bss_end = &__bss_end; - void *dest_addr; - ulong rel_offset; - - /* Calculate destination RAM Address and relocation offset */ - dest_addr = (void *)gd->ram_size; - dest_addr -= CONFIG_SYS_STACK_SIZE; - dest_addr -= (bss_end - text_start); - rel_offset = dest_addr - text_start; - - gd->start_addr_sp = gd->ram_size; - gd->relocaddr = (ulong)dest_addr; - gd->reloc_off = rel_offset; - - return 0; -} - -static int copy_uboot_to_ram(void) -{ - ulong *dst_addr = (ulong *)gd->relocaddr; - ulong *src_addr = (ulong *)&__text_start; - ulong *end_addr = (ulong *)&__data_end; - - while (src_addr < end_addr) - *dst_addr++ = *src_addr++; - - return 0; -} - -static int clear_bss(void) -{ - void *bss_start = &__bss_start; - void *bss_end = &__bss_end; - - ulong *dst_addr = (ulong *)(bss_start + gd->reloc_off); - ulong *end_addr = (ulong *)(bss_end + gd->reloc_off);; - - while (dst_addr < end_addr) - *dst_addr++ = 0x00000000; - - return 0; -} - -static int do_elf_reloc_fixups(void) -{ - Elf32_Rel *re_src = (Elf32_Rel *)(&__rel_dyn_start); - Elf32_Rel *re_end = (Elf32_Rel *)(&__rel_dyn_end); - - do { - if (re_src->r_offset >= CONFIG_SYS_TEXT_BASE) - if (*(Elf32_Addr *)(re_src->r_offset + gd->reloc_off) >= CONFIG_SYS_TEXT_BASE) - *(Elf32_Addr *)(re_src->r_offset + gd->reloc_off) += gd->reloc_off; - } while (re_src++ < re_end); - - return 0; -} - -/* Load U-Boot into RAM, initialize BSS, perform relocation adjustments */ -void board_init_f(ulong boot_flags) -{ - init_fnc_t **init_fnc_ptr; - - gd->flags = boot_flags; - - for (init_fnc_ptr = init_sequence_f; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) - hang(); - } - - gd->flags |= GD_FLG_RELOC; - - /* Enter the relocated U-Boot! */ - relocate_code(gd->start_addr_sp, gd, gd->relocaddr); - - /* NOTREACHED - relocate_code() does not return */ - while(1); -} - -void board_init_r(gd_t *id, ulong dest_addr) -{ - char *s; - ulong size; - static bd_t bd_data; - static gd_t gd_data; - init_fnc_t **init_fnc_ptr; - - show_boot_progress(0x21); - - /* Global data pointer is now writable */ - gd = &gd_data; - memcpy(gd, id, sizeof(gd_t)); - - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - gd->bd = &bd_data; - memset (gd->bd, 0, sizeof (bd_t)); - show_boot_progress(0x22); - - gd->baudrate = CONFIG_BAUDRATE; - - mem_malloc_init((((ulong)dest_addr - CONFIG_SYS_MALLOC_LEN)+3)&~3, - CONFIG_SYS_MALLOC_LEN); - - for (init_fnc_ptr = init_sequence_r; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) - hang (); - } - show_boot_progress(0x23); - -#ifdef CONFIG_SERIAL_MULTI - serial_initialize(); -#endif - /* configure available FLASH banks */ - size = flash_init(); - display_flash_config(size); - show_boot_progress(0x24); - - show_boot_progress(0x25); - - /* initialize environment */ - env_relocate (); - show_boot_progress(0x26); - - -#ifdef CONFIG_CMD_NET - /* IP Address */ - bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr"); -#endif - -#if defined(CONFIG_PCI) - /* - * Do pci configuration - */ - pci_init(); -#endif - - show_boot_progress(0x27); - - - stdio_init (); - - jumptable_init (); - - /* Initialize the console (after the relocation and devices init) */ - console_init_r(); - -#ifdef CONFIG_MISC_INIT_R - /* miscellaneous platform dependent initialisations */ - misc_init_r(); -#endif - -#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE) - WATCHDOG_RESET(); - puts ("PCMCIA:"); - pcmcia_init(); -#endif - -#if defined(CONFIG_CMD_KGDB) - WATCHDOG_RESET(); - puts("KGDB: "); - kgdb_init(); -#endif - - /* enable exceptions */ - enable_interrupts(); - show_boot_progress(0x28); - -#ifdef CONFIG_STATUS_LED - status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); -#endif - - udelay(20); - - set_timer (0); - - /* Initialize from environment */ - if ((s = getenv ("loadaddr")) != NULL) { - load_addr = simple_strtoul (s, NULL, 16); - } -#if defined(CONFIG_CMD_NET) - if ((s = getenv ("bootfile")) != NULL) { - copy_filename (BootFile, s, sizeof (BootFile)); - } -#endif - - WATCHDOG_RESET(); - -#if defined(CONFIG_CMD_IDE) - WATCHDOG_RESET(); - puts("IDE: "); - ide_init(); -#endif - -#if defined(CONFIG_CMD_SCSI) - WATCHDOG_RESET(); - puts("SCSI: "); - scsi_init(); -#endif - -#if defined(CONFIG_CMD_DOC) - WATCHDOG_RESET(); - puts("DOC: "); - doc_init(); -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) -#if defined(CONFIG_NET_MULTI) - WATCHDOG_RESET(); - puts("Net: "); -#endif - eth_initialize(gd->bd); -#endif - -#if ( defined(CONFIG_CMD_NET)) && (0) - WATCHDOG_RESET(); -# ifdef DEBUG - puts ("Reset Ethernet PHY\n"); -# endif - reset_phy(); -#endif - -#ifdef CONFIG_LAST_STAGE_INIT - WATCHDOG_RESET(); - /* - * Some parts can be only initialized if all others (like - * Interrupts) are up and running (i.e. the PC-style ISA - * keyboard). - */ - last_stage_init(); -#endif - - -#ifdef CONFIG_POST - post_run (NULL, POST_RAM | post_bootmode_get(0)); -#endif - - - show_boot_progress(0x29); - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) { - main_loop(); - } - - /* NOTREACHED - no way out of command loop except booting */ -} - -void hang (void) -{ - puts ("### ERROR ### Please RESET the board ###\n"); - for (;;); -} - -unsigned long do_go_exec (ulong (*entry)(int, char * const []), int argc, char * const argv[]) -{ - unsigned long ret = 0; - char **argv_tmp; - - /* - * x86 does not use a dedicated register to pass the pointer to - * the global_data, so it is instead passed as argv[-1]. By using - * argv[-1], the called 'Application' can use the contents of - * argv natively. However, to safely use argv[-1] a new copy of - * argv is needed with the extra element - */ - argv_tmp = malloc(sizeof(char *) * (argc + 1)); - - if (argv_tmp) { - argv_tmp[0] = (char *)gd; - - memcpy(&argv_tmp[1], argv, (size_t)(sizeof(char *) * argc)); - - ret = (entry) (argc, &argv_tmp[1]); - free(argv_tmp); - } - - return ret; -} - -void setup_pcat_compatibility(void) - __attribute__((weak, alias("__setup_pcat_compatibility"))); - -void __setup_pcat_compatibility(void) -{ -} diff --git a/arch/i386/lib/bootm.c b/arch/i386/lib/bootm.c deleted file mode 100644 index a21a21f1f7..0000000000 --- a/arch/i386/lib/bootm.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <command.h> -#include <image.h> -#include <u-boot/zlib.h> -#include <asm/byteorder.h> -#include <asm/zimage.h> - -/*cmd_boot.c*/ -int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images) -{ - void *base_ptr; - ulong os_data, os_len; - image_header_t *hdr; - -#if defined(CONFIG_FIT) - const void *data; - size_t len; -#endif - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - if (images->legacy_hdr_valid) { - hdr = images->legacy_hdr_os; - if (image_check_type (hdr, IH_TYPE_MULTI)) { - /* if multi-part image, we need to get first subimage */ - image_multi_getimg (hdr, 0, &os_data, &os_len); - } else { - /* otherwise get image data */ - os_data = image_get_data (hdr); - os_len = image_get_data_size (hdr); - } -#if defined(CONFIG_FIT) - } else if (images->fit_uname_os) { - ret = fit_image_get_data (images->fit_hdr_os, - images->fit_noffset_os, &data, &len); - if (ret) { - puts ("Can't get image data/size!\n"); - goto error; - } - os_data = (ulong)data; - os_len = (ulong)len; -#endif - } else { - puts ("Could not find kernel image!\n"); - goto error; - } - - base_ptr = load_zimage ((void*)os_data, os_len, - images->rd_start, images->rd_end - images->rd_start, 0); - - if (NULL == base_ptr) { - printf ("## Kernel loading failed ...\n"); - goto error; - - } - -#ifdef DEBUG - printf ("## Transferring control to Linux (at address %08x) ...\n", - (u32)base_ptr); -#endif - - /* we assume that the kernel is in place */ - printf("\nStarting kernel ...\n\n"); - - boot_zimage(base_ptr); - /* does not return */ - -error: - return 1; -} diff --git a/arch/i386/lib/interrupts.c b/arch/i386/lib/interrupts.c deleted file mode 100644 index a2c598f9a4..0000000000 --- a/arch/i386/lib/interrupts.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * (C) Copyright 2009 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2007 - * Daniel Hellstrom, Gaisler Research, <daniel@gaisler.com> - * - * (C) Copyright 2006 - * Detlev Zundel, DENX Software Engineering, <dzu@denx.de> - * - * (C) Copyright -2003 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * (C) Copyright 2001 - * Josh Huber, Mission Critical Linux, Inc, <huber@mclx.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * This file contains the high-level API for the interrupt sub-system - * of the x86 port of U-Boot. Most of the functionality has been - * shamelessly stolen from the leon2 / leon3 ports of U-Boot. - * Daniel Hellstrom, Detlev Zundel, Wolfgang Denk and Josh Huber are - * credited for the corresponding work on those ports. The original - * interrupt handling routines for the x86 port were written by - * Daniel Engström - */ - -#include <common.h> -#include <asm/interrupt.h> - -struct irq_action { - interrupt_handler_t *handler; - void *arg; - unsigned int count; -}; - -static struct irq_action irq_handlers[CONFIG_SYS_NUM_IRQS] = { {0} }; -static int spurious_irq_cnt = 0; -static int spurious_irq = 0; - -void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg) -{ - int status; - - if (irq < 0 || irq >= CONFIG_SYS_NUM_IRQS) { - printf("irq_install_handler: bad irq number %d\n", irq); - return; - } - - if (irq_handlers[irq].handler != NULL) - printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n", - (ulong) handler, - (ulong) irq_handlers[irq].handler); - - status = disable_interrupts (); - - irq_handlers[irq].handler = handler; - irq_handlers[irq].arg = arg; - irq_handlers[irq].count = 0; - - unmask_irq(irq); - - if (status) - enable_interrupts(); - - return; -} - -void irq_free_handler(int irq) -{ - int status; - - if (irq < 0 || irq >= CONFIG_SYS_NUM_IRQS) { - printf("irq_free_handler: bad irq number %d\n", irq); - return; - } - - status = disable_interrupts (); - - mask_irq(irq); - - irq_handlers[irq].handler = NULL; - irq_handlers[irq].arg = NULL; - - if (status) - enable_interrupts(); - - return; -} - -void do_irq(int hw_irq) -{ - int irq = hw_irq - 0x20; - - if (irq < 0 || irq >= CONFIG_SYS_NUM_IRQS) { - printf("do_irq: bad irq number %d\n", irq); - return; - } - - if (irq_handlers[irq].handler) { - mask_irq(irq); - - irq_handlers[irq].handler(irq_handlers[irq].arg); - irq_handlers[irq].count++; - - unmask_irq(irq); - specific_eoi(irq); - - } else { - if ((irq & 7) != 7) { - spurious_irq_cnt++; - spurious_irq = irq; - } - } -} - -#if defined(CONFIG_CMD_IRQ) -int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int irq; - - printf("Spurious IRQ: %u, last unknown IRQ: %d\n", - spurious_irq_cnt, spurious_irq); - - printf ("Interrupt-Information:\n"); - printf ("Nr Routine Arg Count\n"); - - for (irq = 0; irq <= CONFIG_SYS_NUM_IRQS; irq++) { - if (irq_handlers[irq].handler != NULL) { - printf ("%02d %08lx %08lx %d\n", - irq, - (ulong)irq_handlers[irq].handler, - (ulong)irq_handlers[irq].arg, - irq_handlers[irq].count); - } - } - - return 0; -} -#endif diff --git a/arch/i386/lib/pcat_interrupts.c b/arch/i386/lib/pcat_interrupts.c deleted file mode 100644 index 364c435837..0000000000 --- a/arch/i386/lib/pcat_interrupts.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * (C) Copyright 2009 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * This file provides the interrupt handling functionality for systems - * based on the standard PC/AT architecture using two cascaded i8259 - * Programmable Interrupt Controllers. - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/i8259.h> -#include <asm/ibmpc.h> -#include <asm/interrupt.h> - -#if CONFIG_SYS_NUM_IRQS != 16 -#error "CONFIG_SYS_NUM_IRQS must equal 16 if CONFIG_SYS_NUM_IRQS is defined" -#endif - -int interrupt_init(void) -{ - u8 i; - - disable_interrupts(); - - /* Mask all interrupts */ - outb(0xff, MASTER_PIC + IMR); - outb(0xff, SLAVE_PIC + IMR); - - /* Master PIC */ - /* Place master PIC interrupts at INT20 */ - /* ICW3, One slave PIC is present */ - outb(ICW1_SEL|ICW1_EICW4, MASTER_PIC + ICW1); - outb(0x20, MASTER_PIC + ICW2); - outb(IR2, MASTER_PIC + ICW3); - outb(ICW4_PM, MASTER_PIC + ICW4); - - for (i = 0; i < 8; i++) - outb(OCW2_SEOI | i, MASTER_PIC + OCW2); - - /* Slave PIC */ - /* Place slave PIC interrupts at INT28 */ - /* Slave ID */ - outb(ICW1_SEL|ICW1_EICW4, SLAVE_PIC + ICW1); - outb(0x28, SLAVE_PIC + ICW2); - outb(0x02, SLAVE_PIC + ICW3); - outb(ICW4_PM, SLAVE_PIC + ICW4); - - for (i = 0; i < 8; i++) - outb(OCW2_SEOI | i, SLAVE_PIC + OCW2); - - /* - * Enable cascaded interrupts by unmasking the cascade IRQ pin of - * the master PIC - */ - unmask_irq (2); - - enable_interrupts(); - - return 0; -} - -void mask_irq(int irq) -{ - int imr_port; - - if (irq >= CONFIG_SYS_NUM_IRQS) - return; - - if (irq > 7) - imr_port = SLAVE_PIC + IMR; - else - imr_port = MASTER_PIC + IMR; - - outb(inb(imr_port) | (1 << (irq & 7)), imr_port); -} - -void unmask_irq(int irq) -{ - int imr_port; - - if (irq >= CONFIG_SYS_NUM_IRQS) - return; - - if (irq > 7) - imr_port = SLAVE_PIC + IMR; - else - imr_port = MASTER_PIC + IMR; - - outb(inb(imr_port) & ~(1 << (irq & 7)), imr_port); -} - -void specific_eoi(int irq) -{ - if (irq >= CONFIG_SYS_NUM_IRQS) - return; - - if (irq > 7) { - /* - * IRQ is on the slave - Issue a corresponding EOI to the - * slave PIC and an EOI for IRQ2 (the cascade interrupt) - * on the master PIC - */ - outb(OCW2_SEOI | (irq & 7), SLAVE_PIC + OCW2); - irq = SEOI_IR2; - } - - outb(OCW2_SEOI | irq, MASTER_PIC + OCW2); -} diff --git a/arch/i386/lib/pcat_timer.c b/arch/i386/lib/pcat_timer.c deleted file mode 100644 index 1911c6c19d..0000000000 --- a/arch/i386/lib/pcat_timer.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/i8254.h> -#include <asm/ibmpc.h> -#include <asm/interrupt.h> - -#define TIMER0_VALUE 0x04aa /* 1kHz 1.9318MHz / 1000 */ -#define TIMER2_VALUE 0x0a8e /* 440Hz */ - -static int timer_init_done = 0; - -int timer_init(void) -{ - /* initialize timer 0 and 2 - * - * Timer 0 is used to increment system_tick 1000 times/sec - * Timer 1 was used for DRAM refresh in early PC's - * Timer 2 is used to drive the speaker - * (to stasrt a beep: write 3 to port 0x61, - * to stop it again: write 0) - */ - outb (PIT_CMD_CTR0 | PIT_CMD_BOTH | PIT_CMD_MODE2, - PIT_BASE + PIT_COMMAND); - outb (TIMER0_VALUE & 0xff, PIT_BASE + PIT_T0); - outb (TIMER0_VALUE >> 8, PIT_BASE + PIT_T0); - - outb (PIT_CMD_CTR2 | PIT_CMD_BOTH | PIT_CMD_MODE3, - PIT_BASE + PIT_COMMAND); - outb (TIMER2_VALUE & 0xff, PIT_BASE + PIT_T2); - outb (TIMER2_VALUE >> 8, PIT_BASE + PIT_T2); - - irq_install_handler (0, timer_isr, NULL); - unmask_irq (0); - - timer_init_done = 1; - - return 0; -} - -static u16 read_pit(void) -{ - u8 low; - - outb (PIT_CMD_LATCH, PIT_BASE + PIT_COMMAND); - low = inb (PIT_BASE + PIT_T0); - - return ((inb (PIT_BASE + PIT_T0) << 8) | low); -} - -/* this is not very exact */ -void __udelay (unsigned long usec) -{ - int counter; - int wraps; - - if (timer_init_done) - { - counter = read_pit (); - wraps = usec / 1000; - usec = usec % 1000; - - usec *= 1194; - usec /= 1000; - usec += counter; - - while (usec > 1194) { - usec -= 1194; - wraps++; - } - - while (1) { - int new_count = read_pit (); - - if (((new_count < usec) && !wraps) || wraps < 0) - break; - - if (new_count > counter) - wraps--; - - counter = new_count; - } - } - -} diff --git a/arch/i386/lib/pci.c b/arch/i386/lib/pci.c deleted file mode 100644 index e791e88bd4..0000000000 --- a/arch/i386/lib/pci.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <pci.h> -#include <asm/io.h> -#include <asm/pci.h> - -#undef PCI_ROM_SCAN_VERBOSE - -int pci_shadow_rom(pci_dev_t dev, unsigned char *dest) -{ - struct pci_controller *hose; - int res = -1; - int i; - - u32 rom_addr; - u32 addr_reg; - u32 size; - - u16 vendor; - u16 device; - u32 class_code; - - hose = pci_bus_to_hose(PCI_BUS(dev)); -#if 0 - printf("pci_shadow_rom() asked to shadow device %x to %x\n", - dev, (u32)dest); -#endif - pci_read_config_word(dev, PCI_VENDOR_ID, &vendor); - pci_read_config_word(dev, PCI_DEVICE_ID, &device); - pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code); - - class_code &= 0xffffff00; - class_code >>= 8; - - debug("PCI Header Vendor %04x device %04x class %06x\n", - vendor, device, class_code); - - /* Enable the rom addess decoder */ - pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); - pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg); - - if (!addr_reg) { - /* register unimplemented */ - printf("pci_chadow_rom: device do not seem to have a rom\n"); - return -1; - } - - size = (~(addr_reg&PCI_ROM_ADDRESS_MASK))+1; - - debug("ROM is %d bytes\n", size); - - rom_addr = pci_get_rom_window(hose, size); - - debug("ROM mapped at %x\n", rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - pci_phys_to_mem(dev, rom_addr) - |PCI_ROM_ADDRESS_ENABLE); - - - for (i=rom_addr;i<rom_addr+size; i+=512) { - - - if (readw(i) == 0xaa55) { - u32 pci_data; -#ifdef PCI_ROM_SCAN_VERBOSE - printf("ROM signature found\n"); -#endif - pci_data = readw(0x18+i); - pci_data += i; - - if (0==memcmp((void*)pci_data, "PCIR", 4)) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Fount PCI rom image at offset %d\n", i-rom_addr); - printf("Vendor %04x device %04x class %06x\n", - readw(pci_data+4), readw(pci_data+6), - readl(pci_data+0x0d)&0xffffff); - printf("%s\n", - (readw(pci_data+0x15) &0x80)? - "Last image":"More images follow"); - switch (readb(pci_data+0x14)) { - case 0: - printf("X86 code\n"); - break; - case 1: - printf("Openfirmware code\n"); - break; - case 2: - printf("PARISC code\n"); - break; - } - printf("Image size %d\n", readw(pci_data+0x10) * 512); -#endif - /* FixMe: I think we should compare the class code - * bytes as well but I have no reference on the - * exact order of these bytes in the PCI ROM header */ - if (readw(pci_data+4) == vendor && - readw(pci_data+6) == device && - /* (readl(pci_data+0x0d)&0xffffff) == class_code && */ - readb(pci_data+0x14) == 0 /* x86 code image */ ) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Suitable ROM image found, copying\n"); -#endif - memmove(dest, (void*)rom_addr, readw(pci_data+0x10) * 512); - res = 0; - break; - - } - if (readw(pci_data+0x15) &0x80) { - break; - } - } - } - - } - -#ifdef PCI_ROM_SCAN_VERBOSE - if (res) { - printf("No suitable image found\n"); - } -#endif - /* disable PAR register and PCI device ROM address devocer */ - pci_remove_rom_window(hose, rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0); - - return res; -} diff --git a/arch/i386/lib/pci_type1.c b/arch/i386/lib/pci_type1.c deleted file mode 100644 index 8ce5b33e3d..0000000000 --- a/arch/i386/lib/pci_type1.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * Support for type PCI configuration cycles. - * based on pci_indirect.c - */ -#include <common.h> -#include <asm/io.h> -#include <pci.h> - -#define cfg_read(val, addr, op) *val = op((int)(addr)) -#define cfg_write(val, addr, op) op((val), (int)(addr)) - -#define TYPE1_PCI_OP(rw, size, type, op, mask) \ -static int \ -type1_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - outl(dev | (offset & 0xfc) | 0x80000000, (int)hose->cfg_addr); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), op); \ - return 0; \ -} - - -TYPE1_PCI_OP(read, byte, u8 *, inb, 3) -TYPE1_PCI_OP(read, word, u16 *, inw, 2) -TYPE1_PCI_OP(read, dword, u32 *, inl, 0) - -TYPE1_PCI_OP(write, byte, u8, outb, 3) -TYPE1_PCI_OP(write, word, u16, outw, 2) -TYPE1_PCI_OP(write, dword, u32, outl, 0) - -void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) -{ - pci_set_ops(hose, - type1_read_config_byte, - type1_read_config_word, - type1_read_config_dword, - type1_write_config_byte, - type1_write_config_word, - type1_write_config_dword); - - hose->cfg_addr = (unsigned int *) cfg_addr; - hose->cfg_data = (unsigned char *) cfg_data; -} diff --git a/arch/i386/lib/realmode.c b/arch/i386/lib/realmode.c deleted file mode 100644 index 5be827c66b..0000000000 --- a/arch/i386/lib/realmode.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/ptrace.h> -#include <asm/realmode.h> - -#define REALMODE_MAILBOX ((char*)0xe00) - -extern ulong __realmode_start; -extern ulong __realmode_size; -extern char realmode_enter; - -int realmode_setup(void) -{ - ulong realmode_start = (ulong)&__realmode_start + gd->reloc_off; - ulong realmode_size = (ulong)&__realmode_size; - - /* copy the realmode switch code */ - if (realmode_size > (REALMODE_MAILBOX - (char *)REALMODE_BASE)) { - printf("realmode switch too large (%ld bytes, max is %d)\n", - realmode_size, - (REALMODE_MAILBOX - (char *)REALMODE_BASE)); - return -1; - } - - memcpy((char *)REALMODE_BASE, (void *)realmode_start, realmode_size); - asm("wbinvd\n"); - - return 0; -} - -int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out) -{ - - /* setup out thin bios emulation */ - if (bios_setup()) - return -1; - - if (realmode_setup()) - return -1; - - in->eip = off; - in->xcs = seg; - if (3>(in->esp & 0xffff)) { - printf("Warning: entering realmode with sp < 4 will fail\n"); - } - - memcpy(REALMODE_MAILBOX, in, sizeof(struct pt_regs)); - asm("wbinvd\n"); - - __asm__ volatile ( - "lcall $0x20,%0\n" : : "i" (&realmode_enter) ); - - asm("wbinvd\n"); - memcpy(out, REALMODE_MAILBOX, sizeof(struct pt_regs)); - - return out->eax; -} - - -/* This code is supposed to access a realmode interrupt - * it does currently not work for me */ -int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out) -{ - /* place two instructions at 0x700 */ - writeb(0xcd, 0x700); /* int $lvl */ - writeb(lvl, 0x701); - writeb(0xcb, 0x702); /* lret */ - asm("wbinvd\n"); - - enter_realmode(0x00, 0x700, in, out); - - return out->eflags&1; -} diff --git a/arch/i386/lib/realmode_switch.S b/arch/i386/lib/realmode_switch.S deleted file mode 100644 index fce4eccab0..0000000000 --- a/arch/i386/lib/realmode_switch.S +++ /dev/null @@ -1,221 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* 32bit -> 16bit -> 32bit mode switch code */ - -/* - * Stack frame at 0xe00 - * e00 ebx; - * e04 ecx; - * e08 edx; - * e0c esi; - * e10 edi; - * e14 ebp; - * e18 eax; - * e1c ds; - * e20 es; - * e24 fs; - * e28 gs; - * e2c orig_eax; - * e30 eip; - * e34 cs; - * e38 eflags; - * e3c esp; - * e40 ss; - */ - -#define a32 .byte 0x67; /* address size prefix 32 */ -#define o32 .byte 0x66; /* operand size prefix 32 */ - -.section .realmode, "ax" -.code16 - /* 16bit protected mode code here */ -.globl realmode_enter -realmode_enter: -o32 pusha -o32 pushf - cli - sidt saved_idt - sgdt saved_gdt - movl %esp, %eax - movl %eax, saved_protected_mode_esp - - movl $0x10, %eax - movl %eax, %esp - movw $0x28, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %fs - movw %ax, %gs - - lidt realmode_idt_ptr - movl %cr0, %eax /* Go back into real mode by */ - andl $0x7ffffffe, %eax /* clearing PE to 0 */ - movl %eax, %cr0 - ljmp $0x0,$do_realmode /* switch to real mode */ - -do_realmode: /* realmode code from here */ - movw %cs,%ax - movw %ax,%ds - movw %ax,%es - movw %ax,%fs - movw %ax,%gs - - /* create a temporary stack */ - - movw $0xc0, %ax - movw %ax, %ss - movw $0x200, %ax - movw %ax, %sp - - popl %ebx - popl %ecx - popl %edx - popl %esi - popl %edi - popl %ebp - popl %eax - movl %eax, temp_eax - popl %eax - movw %ax, %ds - popl %eax - movw %ax, %es - popl %eax - movw %ax, %fs - popl %eax - movw %ax, %gs - popl %eax /* orig_eax */ - popl %eax -cs movw %ax, temp_ip - popl %eax -cs movw %ax, temp_cs -o32 popf - popl %eax - popw %ss - movl %eax, %esp -cs movl temp_eax, %eax - wbinvd /* self-modifying code, - * better flush the cache */ - - .byte 0x9a /* lcall */ -temp_ip: - .word 0 /* new ip */ -temp_cs: - .word 0 /* new cs */ -realmode_ret: - /* save eax, esp and ss */ -cs movl %eax, saved_eax - movl %esp, %eax -cs movl %eax, saved_esp - movw %ss, %ax -cs movw %ax, saved_ss - - /* restore the stack, note that we set sp to 0x244; - * pt_regs is 0x44 bytes long and we push the structure - * backwards on to the stack, bottom first */ - - movw $0xc0, %ax - movw %ax, %ss - movw $0x244, %ax - movw %ax, %sp - - xorl %eax,%eax -cs movw saved_ss, %ax - pushl %eax -cs movl saved_esp, %eax - pushl %eax -o32 pushf - xorl %eax,%eax -cs movw temp_cs, %ax - pushl %eax -cs movw temp_ip, %ax - pushl %eax - pushl $0 - movw %gs, %ax - pushl %eax - movw %fs, %ax - pushl %eax - movw %es, %ax - pushl %eax - movw %ds, %ax - pushl %eax - movl saved_eax, %eax - pushl %eax - pushl %ebp - pushl %edi - pushl %esi - pushl %edx - pushl %ecx - pushl %ebx - -o32 cs lidt saved_idt -o32 cs lgdt saved_gdt /* Set GDTR */ - - movl %cr0, %eax /* Go back into protected mode */ - orl $1,%eax /* reset PE to 1 */ - movl %eax, %cr0 - jmp next_line /* flush prefetch queue */ -next_line: - movw $return_ptr, %ax - movw %ax,%bp -o32 cs ljmp *(%bp) - -.code32 -protected_mode: - movl $0x18,%eax /* reload GDT[3] */ - movw %ax,%fs /* reset FS */ - movw %ax,%ds /* reset DS */ - movw %ax,%gs /* reset GS */ - movw %ax,%es /* reset ES */ - movw %ax,%ss /* reset SS */ - movl saved_protected_mode_esp, %eax - movl %eax, %esp - popf - popa - ret - -temp_eax: - .long 0 - -saved_ss: - .word 0 -saved_esp: - .long 0 -saved_eax: - .long 0 - -realmode_idt_ptr: - .word 0x400 - .word 0x0, 0x0 - -saved_gdt: - .word 0, 0, 0, 0 -saved_idt: - .word 0, 0, 0, 0 - -saved_protected_mode_esp: - .long 0 - -return_ptr: - .long protected_mode - .word 0x10 diff --git a/arch/i386/lib/timer.c b/arch/i386/lib/timer.c deleted file mode 100644 index 8fc68cdcb8..0000000000 --- a/arch/i386/lib/timer.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * (C) Copyright 2008,2009 - * Graeme Russ, <graeme.russ@gmail.com> - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <malloc.h> -#include <asm/io.h> -#include <asm/i8254.h> -#include <asm/ibmpc.h> - -struct timer_isr_function { - struct timer_isr_function *next; - timer_fnc_t *isr_func; -}; - -static struct timer_isr_function *first_timer_isr = NULL; -static volatile unsigned long system_ticks = 0; - -/* - * register_timer_isr() allows multiple architecture and board specific - * functions to be called every millisecond. Keep the execution time of - * each function as low as possible - */ -int register_timer_isr (timer_fnc_t *isr_func) -{ - struct timer_isr_function *new_func; - struct timer_isr_function *temp; - int flag; - - new_func = malloc(sizeof(struct timer_isr_function)); - - if (new_func == NULL) - return 1; - - new_func->isr_func = isr_func; - new_func->next = NULL; - - /* - * Don't allow timer interrupts while the - * linked list is being modified - */ - flag = disable_interrupts (); - - if (first_timer_isr == NULL) { - first_timer_isr = new_func; - } else { - temp = first_timer_isr; - while (temp->next != NULL) - temp = temp->next; - temp->next = new_func; - } - - if (flag) - enable_interrupts (); - - return 0; -} - -/* - * timer_isr() MUST be the registered interrupt handler for - */ -void timer_isr(void *unused) -{ - struct timer_isr_function *temp = first_timer_isr; - - system_ticks++; - - /* Execute each registered function */ - while (temp != NULL) { - temp->isr_func (); - temp = temp->next; - } -} - -void reset_timer (void) -{ - system_ticks = 0; -} - -ulong get_timer (ulong base) -{ - return (system_ticks - base); -} - -void set_timer (ulong t) -{ - system_ticks = t; -} diff --git a/arch/i386/lib/video.c b/arch/i386/lib/video.c deleted file mode 100644 index b29075c490..0000000000 --- a/arch/i386/lib/video.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <pci.h> -#include <stdio_dev.h> -#include <i8042.h> -#include <asm/ptrace.h> -#include <asm/realmode.h> -#include <asm/io.h> -#include <asm/pci.h> - -/* basic textmode I/O from linux kernel */ -static char *vidmem = (char *)0xb8000; -static int vidport; -static int lines, cols; -static int orig_x, orig_y; - -static void beep(int dur) -{ - int i; - - outb_p(3, 0x61); - for (i = 0; i < 10*dur; i++) - udelay(1000); - - outb_p(0, 0x61); -} - -static void scroll(void) -{ - int i; - - memcpy(vidmem, vidmem + cols * 2, (lines - 1) * cols * 2); - for (i = (lines - 1) * cols * 2; i < lines * cols * 2; i += 2) - vidmem[i] = ' '; -} - -static void __video_putc(const char c, int *x, int *y) -{ - if (c == '\n') { - (*x) = 0; - if (++(*y) >= lines) { - scroll(); - (*y)--; - } - } else if (c == '\b') { - if ((*x) != 0) { - --(*x); - vidmem[((*x) + cols * (*y)) * 2] = ' '; - } - } else if (c == '\r') { - (*x) = 0; - - } else if (c == '\a') { - beep(3); - - } else if (c == '\t') { - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - __video_putc(' ', x, y); - } else if (c == '\v') { - switch ((*x) % 8) { - case 0: - __video_putc(' ', x, y); - case 7: - __video_putc(' ', x, y); - case 6: - __video_putc(' ', x, y); - case 5: - __video_putc(' ', x, y); - case 4: - __video_putc(' ', x, y); - case 3: - __video_putc(' ', x, y); - case 2: - __video_putc(' ', x, y); - case 1: - __video_putc(' ', x, y); - } - } else if (c == '\f') { - int i; - for (i = 0; i < lines * cols * 2; i += 2) - vidmem[i] = 0; - (*x) = 0; - (*y) = 0; - } else { - vidmem[((*x) + cols * (*y)) * 2] = c; - if (++(*x) >= cols) { - (*x) = 0; - if (++(*y) >= lines) { - scroll(); - (*y)--; - } - } - } -} - -static void video_putc(const char c) -{ - int x,y,pos; - - x = orig_x; - y = orig_y; - - __video_putc(c, &x, &y); - - orig_x = x; - orig_y = y; - - pos = (x + cols * y) * 2; /* Update cursor position */ - outb_p(14, vidport); - outb_p(0xff & (pos >> 9), vidport+1); - outb_p(15, vidport); - outb_p(0xff & (pos >> 1), vidport+1); -} - -static void video_puts(const char *s) -{ - int x,y,pos; - char c; - - x = orig_x; - y = orig_y; - - while ((c = *s++) != '\0') - __video_putc(c, &x, &y); - - orig_x = x; - orig_y = y; - - pos = (x + cols * y) * 2; /* Update cursor position */ - outb_p(14, vidport); - outb_p(0xff & (pos >> 9), vidport+1); - outb_p(15, vidport); - outb_p(0xff & (pos >> 1), vidport+1); -} - -int video_init(void) -{ - u16 pos; - - static struct stdio_dev vga_dev; - static struct stdio_dev kbd_dev; - - vidmem = (char *) 0xb8000; - vidport = 0x3d4; - - lines = 25; - cols = 80; - - outb_p(14, vidport); - pos = inb_p(vidport+1); - pos <<= 8; - outb_p(15, vidport); - pos |= inb_p(vidport+1); - - orig_x = pos%cols; - orig_y = pos/cols; - -#if 0 - printf("pos %x %d %d\n", pos, orig_x, orig_y); -#endif - if (orig_y > lines) - orig_x = orig_y =0; - - memset(&vga_dev, 0, sizeof(vga_dev)); - strcpy(vga_dev.name, "vga"); - vga_dev.ext = 0; - vga_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM; - vga_dev.putc = video_putc; /* 'putc' function */ - vga_dev.puts = video_puts; /* 'puts' function */ - vga_dev.tstc = NULL; /* 'tstc' function */ - vga_dev.getc = NULL; /* 'getc' function */ - - if (stdio_register(&vga_dev) == 0) - return 1; - - if (i8042_kbd_init()) - return 1; - - memset(&kbd_dev, 0, sizeof(kbd_dev)); - strcpy(kbd_dev.name, "kbd"); - kbd_dev.ext = 0; - kbd_dev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - kbd_dev.putc = NULL; /* 'putc' function */ - kbd_dev.puts = NULL; /* 'puts' function */ - kbd_dev.tstc = i8042_tstc; /* 'tstc' function */ - kbd_dev.getc = i8042_getc; /* 'getc' function */ - - if (stdio_register(&kbd_dev) == 0) - return 1; - - return 0; -} - - -int drv_video_init(void) -{ - if (video_bios_init()) - return 1; - - return video_init(); -} diff --git a/arch/i386/lib/video_bios.c b/arch/i386/lib/video_bios.c deleted file mode 100644 index 6bc4335743..0000000000 --- a/arch/i386/lib/video_bios.c +++ /dev/null @@ -1,222 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <pci.h> -#include <malloc.h> -#include <asm/ptrace.h> -#include <asm/realmode.h> -#include <asm/io.h> -#include <asm/pci.h> - -#undef PCI_BIOS_DEBUG -#undef VGA_BIOS_DEBUG - -#ifdef VGA_BIOS_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - -#ifdef CONFIG_PCI - -#ifdef PCI_BIOS_DEBUG -#define RELOC_16(seg, off) *(u32*)(seg << 4 | (u32)&off) -extern u32 num_pci_bios_present; -extern u32 num_pci_bios_find_device; -extern u32 num_pci_bios_find_class; -extern u32 num_pci_bios_generate_special_cycle; -extern u32 num_pci_bios_read_cfg_byte; -extern u32 num_pci_bios_read_cfg_word; -extern u32 num_pci_bios_read_cfg_dword; -extern u32 num_pci_bios_write_cfg_byte; -extern u32 num_pci_bios_write_cfg_word; -extern u32 num_pci_bios_write_cfg_dword; -extern u32 num_pci_bios_get_irq_routing; -extern u32 num_pci_bios_set_irq; -extern u32 num_pci_bios_unknown_function; - -void print_bios_bios_stat(void) -{ - printf("16 bit functions:\n"); - printf("pci_bios_present: %d\n", RELOC_16(0xf000, num_pci_bios_present)); - printf("pci_bios_find_device: %d\n", RELOC_16(0xf000, num_pci_bios_find_device)); - printf("pci_bios_find_class: %d\n", RELOC_16(0xf000, num_pci_bios_find_class)); - printf("pci_bios_generate_special_cycle: %d\n", RELOC_16(0xf000, num_pci_bios_generate_special_cycle)); - printf("pci_bios_read_cfg_byte: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_byte)); - printf("pci_bios_read_cfg_word: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_word)); - printf("pci_bios_read_cfg_dword: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_dword)); - printf("pci_bios_write_cfg_byte: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_byte)); - printf("pci_bios_write_cfg_word: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_word)); - printf("pci_bios_write_cfg_dword: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_dword)); - printf("pci_bios_get_irq_routing: %d\n", RELOC_16(0xf000, num_pci_bios_get_irq_routing)); - printf("pci_bios_set_irq: %d\n", RELOC_16(0xf000, num_pci_bios_set_irq)); - printf("pci_bios_unknown_function: %d\n", RELOC_16(0xf000, num_pci_bios_unknown_function)); - -} -#endif - -#ifdef CONFIG_VIDEO - -#define PCI_CLASS_VIDEO 3 -#define PCI_CLASS_VIDEO_STD 0 -#define PCI_CLASS_VIDEO_PROG_IF_VGA 0 - -static struct pci_device_id supported[] = { - {PCI_VIDEO_VENDOR_ID, PCI_VIDEO_DEVICE_ID}, - {} -}; - -static u32 probe_pci_video(void) -{ - pci_dev_t devbusfn; - - if ((devbusfn = pci_find_devices(supported, 0) != -1)) { - u32 old; - u32 addr; - - /* PCI video device detected */ - printf("Found PCI VGA device at %02x.%02x.%x\n", - PCI_BUS(devbusfn), PCI_DEV(devbusfn), PCI_FUNC(devbusfn)); - - /* Enable I/O decoding as well, PCI viudeo boards - * support I/O accesses, but they provide no - * bar register for this since the ports are fixed. - */ - pci_write_config_word(devbusfn, PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_IO | PCI_COMMAND_MASTER); - - /* Test the ROM decoder, do the device support a rom? */ - pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &old); - pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); - pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &addr); - pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS, old); - - if (!addr) { - printf("PCI VGA have no ROM?\n"); - return 0; - } - - /* device have a rom */ - if (pci_shadow_rom(devbusfn, (void*)0xc0000)) { - printf("Shadowing of PCI VGA BIOS failed\n"); - return 0; - } - - /* Now enable lagacy VGA port access */ - if (pci_enable_legacy_video_ports(pci_bus_to_hose(PCI_BUS(devbusfn)))) { - printf("PCI VGA enable failed\n"); - return 0; - } - - - /* return the pci device info, that we'll need later */ - return PCI_BUS(devbusfn) << 8 | - PCI_DEV(devbusfn) << 3 | (PCI_FUNC(devbusfn)&7); - } - - return 0; -} - -static int probe_isa_video(void) -{ - u32 ptr; - char *buf; - - if (0 == (ptr = isa_map_rom(0xc0000, 0x8000))) { - return -1; - } - if (NULL == (buf=malloc(0x8000))) { - isa_unmap_rom(ptr); - return -1; - } - if (readw(ptr) != 0xaa55) { - free(buf); - isa_unmap_rom(ptr); - return -1; - } - - /* shadow the rom */ - memcpy(buf, (void*)ptr, 0x8000); - isa_unmap_rom(ptr); - memcpy((void*)0xc0000, buf, 0x8000); - - free(buf); - - return 0; -} - -int video_bios_init(void) -{ - struct pt_regs regs; - - /* clear the video bios area in case we warmbooted */ - memset((void*)0xc0000, 0, 0x8000); - memset(®s, 0, sizeof(struct pt_regs)); - - if (probe_isa_video()) { - /* No ISA board found, try the PCI bus */ - regs.eax = probe_pci_video(); - } - - /* Did we succeed in mapping any video bios */ - if (readw(0xc0000) == 0xaa55) { - int size; - int i; - u8 sum; - - PRINTF("Found video bios signature\n"); - size = 512*readb(0xc0002); - PRINTF("size %d\n", size); - sum=0; - for (i=0;i<size;i++) { - sum += readb(0xc0000 + i); - } - PRINTF("Checksum is %sOK\n",sum?"NOT ":""); - if (sum) { - return 1; - } - - /* some video bioses (ATI Mach64) seem to think that - * the original int 10 handler is always at - * 0xf000:0xf065 , place an iret instruction there - */ - writeb(0xcf, 0xff065); - - regs.esp = 0x8000; - regs.xss = 0x2000; - enter_realmode(0xc000, 3, ®s, ®s); - PRINTF("INT 0x10 vector after: %04x:%04x\n", - readw(0x42), readw(0x40)); - PRINTF("BIOS returned %scarry\n", regs.eflags & 1?"":"NOT "); -#ifdef PCI_BIOS_DEBUG - print_bios_bios_stat(); -#endif - return (regs.eflags & 1); - - } - - return 1; - -} -#endif -#endif diff --git a/arch/i386/lib/zimage.c b/arch/i386/lib/zimage.c deleted file mode 100644 index cc4b40e64c..0000000000 --- a/arch/i386/lib/zimage.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * Linux x86 zImage and bzImage loading - * - * based on the procdure described in - * linux/Documentation/i386/boot.txt - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/ptrace.h> -#include <asm/zimage.h> -#include <asm/realmode.h> -#include <asm/byteorder.h> -#include <asm/bootparam.h> -#include <asm/ic/sc520.h> - -/* - * Memory lay-out: - * - * relative to setup_base (which is 0x90000 currently) - * - * 0x0000-0x7FFF Real mode kernel - * 0x8000-0x8FFF Stack and heap - * 0x9000-0x90FF Kernel command line - */ -#define DEFAULT_SETUP_BASE 0x90000 -#define COMMAND_LINE_OFFSET 0x9000 -#define HEAP_END_OFFSET 0x8e00 - -#define COMMAND_LINE_SIZE 2048 - -static void build_command_line(char *command_line, int auto_boot) -{ - char *env_command_line; - - command_line[0] = '\0'; - - env_command_line = getenv("bootargs"); - - /* set console= argument if we use a serial console */ - if (NULL == strstr(env_command_line, "console=")) { - if (0==strcmp(getenv("stdout"), "serial")) { - - /* We seem to use serial console */ - sprintf(command_line, "console=ttyS0,%s ", - getenv("baudrate")); - } - } - - if (auto_boot) { - strcat(command_line, "auto "); - } - - if (NULL != env_command_line) { - strcat(command_line, env_command_line); - } - - - printf("Kernel command line: \"%s\"\n", command_line); -} - -void *load_zimage(char *image, unsigned long kernel_size, - unsigned long initrd_addr, unsigned long initrd_size, - int auto_boot) -{ - void *setup_base; - int setup_size; - int bootproto; - int big_image; - void *load_address; - - struct setup_header *hdr = (struct setup_header *)(image + SETUP_SECTS_OFF); - - setup_base = (void*)DEFAULT_SETUP_BASE; /* base address for real-mode segment */ - - if (KERNEL_MAGIC != hdr->boot_flag) { - printf("Error: Invalid Boot Flag (found 0x%04x, expected 0x%04x)\n", - hdr->boot_flag, KERNEL_MAGIC); - return 0; - } else { - printf("Valid Boot Flag\n"); - } - - /* determine boot protocol version */ - if (KERNEL_V2_MAGIC == hdr->header) { - printf("Magic signature found\n"); - - bootproto = hdr->version; - } else { - /* Very old kernel */ - printf("Magic signature not found\n"); - bootproto = 0x0100; - } - - /* determine size of setup */ - if (0 == hdr->setup_sects) { - printf("Setup Sectors = 0 (defaulting to 4)\n"); - setup_size = 5 * 512; - } else { - setup_size = (hdr->setup_sects + 1) * 512; - } - - printf("Setup Size = 0x%8.8lx\n", (ulong)setup_size); - - if (setup_size > SETUP_MAX_SIZE) { - printf("Error: Setup is too large (%d bytes)\n", setup_size); - } - - /* Determine image type */ - big_image = (bootproto >= 0x0200) && (hdr->loadflags & BIG_KERNEL_FLAG); - - /* Determine load address */ - load_address = (void*)(big_image ? BZIMAGE_LOAD_ADDR : ZIMAGE_LOAD_ADDR); - - /* load setup */ - printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n", (ulong)setup_base, setup_size); - memmove(setup_base, image, setup_size); - - printf("Using boot protocol version %x.%02x\n", - (bootproto & 0xff00) >> 8, bootproto & 0xff); - - if (bootproto == 0x0100) { - - *(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; - *(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET; - - /* A very old kernel MUST have its real-mode code - * loaded at 0x90000 */ - - if ((u32)setup_base != 0x90000) { - /* Copy the real-mode kernel */ - memmove((void*)0x90000, setup_base, setup_size); - /* Copy the command line */ - memmove((void*)0x99000, setup_base+COMMAND_LINE_OFFSET, - COMMAND_LINE_SIZE); - - setup_base = (void*)0x90000; /* Relocated */ - } - - /* It is recommended to clear memory up to the 32K mark */ - memset((void*)0x90000 + setup_size, 0, SETUP_MAX_SIZE-setup_size); - } - - /* We are now setting up the real-mode version of the header */ - hdr = (struct setup_header *)(setup_base + SETUP_SECTS_OFF); - - if (bootproto >= 0x0200) { - hdr->type_of_loader = 8; - - if (hdr->setup_sects >= 15) - printf("Linux kernel version %s\n", (char *) - (setup_base + (hdr->kernel_version + 0x200))); - else - printf("Setup Sectors < 15 - Cannot print kernel version.\n"); - - if (initrd_addr) { - printf("Initial RAM disk at linear address 0x%08lx, size %ld bytes\n", - initrd_addr, initrd_size); - - hdr->ramdisk_image = initrd_addr; - hdr->ramdisk_size = initrd_size; - } - } - - if (bootproto >= 0x0201) { - hdr->heap_end_ptr = HEAP_END_OFFSET; - hdr->loadflags |= HEAP_FLAG; - } - - if (bootproto >= 0x0202) { - hdr->cmd_line_ptr = (u32)setup_base + COMMAND_LINE_OFFSET; - } else if (bootproto >= 0x0200) { - - *(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC; - *(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET; - - hdr->setup_move_size = 0x9100; - } - - if (bootproto >= 0x0204) - kernel_size = hdr->syssize * 16; - else - kernel_size -= setup_size; - - - if (big_image) { - if ((kernel_size) > BZIMAGE_MAX_SIZE) { - printf("Error: bzImage kernel too big! (size: %ld, max: %d)\n", - kernel_size, BZIMAGE_MAX_SIZE); - return 0; - } - - } else if ((kernel_size) > ZIMAGE_MAX_SIZE) { - printf("Error: zImage kernel too big! (size: %ld, max: %d)\n", - kernel_size, ZIMAGE_MAX_SIZE); - return 0; - } - - /* build command line at COMMAND_LINE_OFFSET */ - build_command_line(setup_base + COMMAND_LINE_OFFSET, auto_boot); - - printf("Loading %czImage at address 0x%08x (%ld bytes)\n", big_image ? 'b' : ' ', - (u32)load_address, kernel_size); - - - memmove(load_address, image + setup_size, kernel_size); - - /* ready for booting */ - return setup_base; -} - -void boot_zimage(void *setup_base) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(struct pt_regs)); - regs.xds = (u32)setup_base >> 4; - regs.xes = regs.xds; - regs.xss = regs.xds; - regs.esp = 0x9000; - regs.eflags = 0; - enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, ®s, ®s); -} - -int do_zboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - void *base_ptr; - void *bzImage_addr = NULL; - char *s; - ulong bzImage_size = 0; - - disable_interrupts(); - - /* Setup board for maximum PC/AT Compatibility */ - setup_pcat_compatibility(); - - if (argc >= 2) - /* argv[1] holds the address of the bzImage */ - s = argv[1]; - else - s = getenv("fileaddr"); - - if (s) - bzImage_addr = (void *)simple_strtoul(s, NULL, 16); - - if (argc >= 3) - /* argv[2] holds the size of the bzImage */ - bzImage_size = simple_strtoul(argv[2], NULL, 16); - - /* Lets look for*/ - base_ptr = load_zimage (bzImage_addr, bzImage_size, 0, 0, 0); - - if (NULL == base_ptr) { - printf ("## Kernel loading failed ...\n"); - } else { - printf ("## Transferring control to Linux (at address %08x) ...\n", - (u32)base_ptr); - - /* we assume that the kernel is in place */ - printf("\nStarting kernel ...\n\n"); - - boot_zimage(base_ptr); - /* does not return */ - } - - return -1; -} - -U_BOOT_CMD( - zboot, 2, 0, do_zboot, - "Boot bzImage", - "" -); |
