diff options
Diffstat (limited to 'arch/m68k/platform/68328')
-rw-r--r-- | arch/m68k/platform/68328/Makefile | 21 | ||||
-rw-r--r-- | arch/m68k/platform/68328/bootlogo.h | 270 | ||||
-rw-r--r-- | arch/m68k/platform/68328/config.c | 55 | ||||
-rw-r--r-- | arch/m68k/platform/68328/entry.S | 261 | ||||
-rw-r--r-- | arch/m68k/platform/68328/head-de2.S | 128 | ||||
-rw-r--r-- | arch/m68k/platform/68328/head-pilot.S | 207 | ||||
-rw-r--r-- | arch/m68k/platform/68328/head-ram.S | 141 | ||||
-rw-r--r-- | arch/m68k/platform/68328/head-rom.S | 105 | ||||
-rw-r--r-- | arch/m68k/platform/68328/ints.c | 186 | ||||
-rw-r--r-- | arch/m68k/platform/68328/romvec.S | 35 | ||||
-rw-r--r-- | arch/m68k/platform/68328/timers.c | 137 |
11 files changed, 0 insertions, 1546 deletions
diff --git a/arch/m68k/platform/68328/Makefile b/arch/m68k/platform/68328/Makefile deleted file mode 100644 index ee61bf84d4a0..000000000000 --- a/arch/m68k/platform/68328/Makefile +++ /dev/null @@ -1,21 +0,0 @@ -# -# Makefile for arch/m68knommu/platform/68328. -# - -model-y := ram -model-$(CONFIG_ROMKERNEL) := rom - -head-y = head-$(model-y).o -head-$(CONFIG_PILOT) = head-pilot.o -head-$(CONFIG_DRAGEN2) = head-de2.o - -obj-y += entry.o ints.o timers.o -obj-$(CONFIG_M68328) += config.o -obj-$(CONFIG_ROM) += romvec.o - -extra-y := head.o - -$(obj)/head.o: $(obj)/$(head-y) - ln -sf $(head-y) $(obj)/head.o - -clean-files := $(obj)/head.o $(head-y) diff --git a/arch/m68k/platform/68328/bootlogo.h b/arch/m68k/platform/68328/bootlogo.h deleted file mode 100644 index b896c933fafc..000000000000 --- a/arch/m68k/platform/68328/bootlogo.h +++ /dev/null @@ -1,270 +0,0 @@ -#define bootlogo_width 160 -#define bootlogo_height 160 -unsigned char __attribute__ ((aligned(16))) bootlogo_bits[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x01, 0x00, 0x00, 0x00, - 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-/* - * linux/arch/m68knommu/platform/68328/config.c - * - * Copyright (C) 1993 Hamish Macdonald - * Copyright (C) 1999 D. Jeff Dionne - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * VZ Support/Fixes Evan Stawnyczy <e@lineo.ca> - */ - -/***************************************************************************/ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/rtc.h> -#include <asm/machdep.h> -#include <asm/MC68328.h> -#if defined(CONFIG_PILOT) || defined(CONFIG_INIT_LCD) -#include "bootlogo.h" -#endif - -/***************************************************************************/ - -int m68328_hwclk(int set, struct rtc_time *t); - -/***************************************************************************/ - -void m68328_reset (void) -{ - local_irq_disable(); - asm volatile ("moveal #0x10c00000, %a0;\n\t" - "moveb #0, 0xFFFFF300;\n\t" - "moveal 0(%a0), %sp;\n\t" - "moveal 4(%a0), %a0;\n\t" - "jmp (%a0);"); -} - -/***************************************************************************/ - -void config_BSP(char *command, int len) -{ - printk(KERN_INFO "\n68328 support D. Jeff Dionne <jeff@uclinux.org>\n"); - printk(KERN_INFO "68328 support Kenneth Albanowski <kjahds@kjshds.com>\n"); - printk(KERN_INFO "68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n"); - - mach_hwclk = m68328_hwclk; - mach_reset = m68328_reset; -} - -/***************************************************************************/ diff --git a/arch/m68k/platform/68328/entry.S b/arch/m68k/platform/68328/entry.S deleted file mode 100644 index 7f91c2fde509..000000000000 --- a/arch/m68k/platform/68328/entry.S +++ /dev/null @@ -1,261 +0,0 @@ -/* - * linux/arch/m68knommu/platform/68328/entry.S - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file README.legal in the main directory of this archive - * for more details. - * - * Linux/m68k support by Hamish Macdonald - */ - -#include <linux/linkage.h> -#include <asm/thread_info.h> -#include <asm/unistd.h> -#include <asm/errno.h> -#include <asm/setup.h> -#include <asm/segment.h> -#include <asm/traps.h> -#include <asm/asm-offsets.h> -#include <asm/entry.h> - -.text - -.globl system_call -.globl resume -.globl ret_from_exception -.globl ret_from_signal -.globl sys_call_table -.globl ret_from_interrupt -.globl bad_interrupt -.globl inthandler1 -.globl inthandler2 -.globl inthandler3 -.globl inthandler4 -.globl inthandler5 -.globl inthandler6 -.globl inthandler7 - -badsys: - movel #-ENOSYS,%sp@(PT_OFF_D0) - jra ret_from_exception - -do_trace: - movel #-ENOSYS,%sp@(PT_OFF_D0) /* needed for strace*/ - subql #4,%sp - SAVE_SWITCH_STACK - jbsr syscall_trace_enter - RESTORE_SWITCH_STACK - addql #4,%sp - movel %sp@(PT_OFF_ORIG_D0),%d1 - movel #-ENOSYS,%d0 - cmpl #NR_syscalls,%d1 - jcc 1f - lsl #2,%d1 - lea sys_call_table, %a0 - jbsr %a0@(%d1) - -1: movel %d0,%sp@(PT_OFF_D0) /* save the return value */ - subql #4,%sp /* dummy return address */ - SAVE_SWITCH_STACK - jbsr syscall_trace_leave - -ret_from_signal: - RESTORE_SWITCH_STACK - addql #4,%sp - jra ret_from_exception - -ENTRY(system_call) - SAVE_ALL_SYS - - /* save top of frame*/ - pea %sp@ - jbsr set_esp0 - addql #4,%sp - - movel %sp@(PT_OFF_ORIG_D0),%d0 - - movel %sp,%d1 /* get thread_info pointer */ - andl #-THREAD_SIZE,%d1 - movel %d1,%a2 - btst #(TIF_SYSCALL_TRACE%8),%a2@(TINFO_FLAGS+(31-TIF_SYSCALL_TRACE)/8) - jne do_trace - cmpl #NR_syscalls,%d0 - jcc badsys - lsl #2,%d0 - lea sys_call_table,%a0 - movel %a0@(%d0), %a0 - jbsr %a0@ - movel %d0,%sp@(PT_OFF_D0) /* save the return value*/ - -ret_from_exception: - btst #5,%sp@(PT_OFF_SR) /* check if returning to kernel*/ - jeq Luser_return /* if so, skip resched, signals*/ - -Lkernel_return: - RESTORE_ALL - -Luser_return: - /* only allow interrupts when we are really the last one on the*/ - /* kernel stack, otherwise stack overflow can occur during*/ - /* heavy interrupt load*/ - andw #ALLOWINT,%sr - - movel %sp,%d1 /* get thread_info pointer */ - andl #-THREAD_SIZE,%d1 - movel %d1,%a2 -1: - move %a2@(TINFO_FLAGS),%d1 /* thread_info->flags */ - jne Lwork_to_do - RESTORE_ALL - -Lwork_to_do: - movel %a2@(TINFO_FLAGS),%d1 /* thread_info->flags */ - btst #TIF_NEED_RESCHED,%d1 - jne reschedule - -Lsignal_return: - subql #4,%sp /* dummy return address*/ - SAVE_SWITCH_STACK - pea %sp@(SWITCH_STACK_SIZE) - bsrw do_notify_resume - addql #4,%sp - RESTORE_SWITCH_STACK - addql #4,%sp - jra 1b - -/* - * This is the main interrupt handler, responsible for calling process_int() - */ -inthandler1: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #65,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler2: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #66,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler3: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #67,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler4: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #68,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler5: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #69,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler6: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #70,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler7: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel #71,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -inthandler: - SAVE_ALL_INT - movew %sp@(PT_OFF_FORMATVEC), %d0 - and #0x3ff, %d0 - - movel %sp,%sp@- - movel %d0,%sp@- /* put vector # on stack*/ - jbsr process_int /* process the IRQ*/ -3: addql #8,%sp /* pop parameters off stack*/ - bra ret_from_interrupt - -ret_from_interrupt: - jeq 1f -2: - RESTORE_ALL -1: - moveb %sp@(PT_OFF_SR), %d0 - and #7, %d0 - jhi 2b - - /* check if we need to do software interrupts */ - jeq ret_from_exception - - pea ret_from_exception - jra do_softirq - - -/* - * Handler for uninitialized and spurious interrupts. - */ -ENTRY(bad_interrupt) - addql #1,irq_err_count - rte - -/* - * Beware - when entering resume, prev (the current task) is - * in a0, next (the new task) is in a1, so don't change these - * registers until their contents are no longer needed. - */ -ENTRY(resume) - movel %a0,%d1 /* save prev thread in d1 */ - movew %sr,%a0@(TASK_THREAD+THREAD_SR) /* save sr */ - SAVE_SWITCH_STACK - movel %sp,%a0@(TASK_THREAD+THREAD_KSP) /* save kernel stack */ - movel %usp,%a3 /* save usp */ - movel %a3,%a0@(TASK_THREAD+THREAD_USP) - - movel %a1@(TASK_THREAD+THREAD_USP),%a3 /* restore user stack */ - movel %a3,%usp - movel %a1@(TASK_THREAD+THREAD_KSP),%sp /* restore new thread stack */ - RESTORE_SWITCH_STACK - movew %a1@(TASK_THREAD+THREAD_SR),%sr /* restore thread status reg */ - rts - diff --git a/arch/m68k/platform/68328/head-de2.S b/arch/m68k/platform/68328/head-de2.S deleted file mode 100644 index 537d3245b539..000000000000 --- a/arch/m68k/platform/68328/head-de2.S +++ /dev/null @@ -1,128 +0,0 @@ - -#define MEM_END 0x00800000 /* Memory size 8Mb */ - -#undef CRT_DEBUG - -.macro PUTC CHAR -#ifdef CRT_DEBUG - moveq #\CHAR, %d7 - jsr putc -#endif -.endm - - .global _start - .global _rambase - .global _ramvec - .global _ramstart - .global _ramend - - .data - -/* - * Set up the usable of RAM stuff - */ -_rambase: - .long 0 -_ramvec: - .long 0 -_ramstart: - .long 0 -_ramend: - .long 0 - - .text - -_start: - -/* - * Setup initial stack - */ - /* disable all interrupts */ - movew #0x2700, %sr - movel #-1, 0xfffff304 - movel #MEM_END-4, %sp - - PUTC '\r' - PUTC '\n' - PUTC 'A' - PUTC 'B' - -/* - * Determine end of RAM - */ - - movel #MEM_END, %a0 - movel %a0, _ramend - - PUTC 'C' - -/* - * Move ROM filesystem above bss :-) - */ - - moveal #__bss_start, %a0 /* romfs at the start of bss */ - moveal #__bss_stop, %a1 /* Set up destination */ - movel %a0, %a2 /* Copy of bss start */ - - movel 8(%a0), %d1 /* Get size of ROMFS */ - addql #8, %d1 /* Allow for rounding */ - andl #0xfffffffc, %d1 /* Whole words */ - - addl %d1, %a0 /* Copy from end */ - addl %d1, %a1 /* Copy from end */ - movel %a1, _ramstart /* Set start of ram */ - -1: - movel -(%a0), %d0 /* Copy dword */ - movel %d0, -(%a1) - cmpl %a0, %a2 /* Check if at end */ - bne 1b - - PUTC 'D' - -/* - * Initialize BSS segment to 0 - */ - - lea __bss_start, %a0 - lea __bss_stop, %a1 - - /* Copy 0 to %a0 until %a0 == %a1 */ -2: cmpal %a0, %a1 - beq 1f - clrl (%a0)+ - bra 2b -1: - - PUTC 'E' - -/* - * Load the current task pointer and stack - */ - - lea init_thread_union, %a0 - lea 0x2000(%a0), %sp - - PUTC 'F' - PUTC '\r' - PUTC '\n' - -/* - * Go - */ - - jmp start_kernel - -/* - * Local functions - */ - -#ifdef CRT_DEBUG -putc: - moveb %d7, 0xfffff907 -1: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq 1b - rts -#endif diff --git a/arch/m68k/platform/68328/head-pilot.S b/arch/m68k/platform/68328/head-pilot.S deleted file mode 100644 index 45a9dad29e3d..000000000000 --- a/arch/m68k/platform/68328/head-pilot.S +++ /dev/null @@ -1,207 +0,0 @@ -/* - * linux/arch/m68knommu/platform/68328/head-pilot.S - * - A startup file for the MC68328 - * - * Copyright (C) 1998 D. Jeff Dionne <jeff@ryeham.ee.ryerson.ca>, - * Kenneth Albanowski <kjahds@kjahds.com>, - * The Silver Hammer Group, Ltd. - * - * (c) 1995, Dionne & Associates - * (c) 1995, DKG Display Tech. - */ - -#define ASSEMBLY - -#define IMMED # -#define DBG_PUTC(x) moveb IMMED x, 0xfffff907 - - -.global _stext -.global _start - -.global _rambase -.global _ramvec -.global _ramstart -.global _ramend - -.global bootlogo_bits - -/*****************************************************************************/ - -.data - -/* - * Set up the usable of RAM stuff. Size of RAM is determined then - * an initial stack set up at the end. - */ -.align 4 -_ramvec: -.long 0 -_rambase: -.long 0 -_ramstart: -.long 0 -_ramend: -.long 0 - -.text - -_start: -_stext: - - -#ifdef CONFIG_M68328 - -#ifdef CONFIG_PILOT - .byte 0x4e, 0xfa, 0x00, 0x0a /* Jmp +X bytes */ - .byte 'b', 'o', 'o', 't' - .word 10000 - - nop -#endif - - moveq #0, %d0 - movew %d0, 0xfffff618 /* Watchdog off */ - movel #0x00011f07, 0xfffff114 /* CS A1 Mask */ - - movew #0x0800, 0xfffff906 /* Ignore CTS */ - movew #0x010b, 0xfffff902 /* BAUD to 9600 */ - - movew #0x2410, 0xfffff200 /* PLLCR */ - movew #0x123, 0xfffff202 /* PLLFSR */ - -#ifdef CONFIG_PILOT - moveb #0, 0xfffffA27 /* LCKCON */ - movel #_start, 0xfffffA00 /* LSSA */ - moveb #0xa, 0xfffffA05 /* LVPW */ - movew #0x9f, 0xFFFFFa08 /* LXMAX */ - movew #0x9f, 0xFFFFFa0a /* LYMAX */ - moveb #9, 0xfffffa29 /* LBAR */ - moveb #0, 0xfffffa25 /* LPXCD */ - moveb #0x04, 0xFFFFFa20 /* LPICF */ - moveb #0x58, 0xfffffA27 /* LCKCON */ - moveb #0x85, 0xfffff429 /* PFDATA */ - moveb #0xd8, 0xfffffA27 /* LCKCON */ - moveb #0xc5, 0xfffff429 /* PFDATA */ - moveb #0xd5, 0xfffff429 /* PFDATA */ - - moveal #0x00100000, %a3 - moveal #0x100ffc00, %a4 -#endif /* CONFIG_PILOT */ - -#endif /* CONFIG_M68328 */ - - movew #0x2700, %sr - lea %a4@(-4), %sp - - DBG_PUTC('\r') - DBG_PUTC('\n') - DBG_PUTC('A') - - moveq #0,%d0 - movew #16384, %d0 /* PLL settle wait loop */ -L0: - subw #1, %d0 - bne L0 - - DBG_PUTC('B') - - /* Copy command line from beginning of RAM (+16) to end of bss */ - movel #CONFIG_VECTORBASE, %d7 - addl #16, %d7 - moveal %d7, %a0 - moveal #__bss_stop, %a1 - lea %a1@(512), %a2 - - DBG_PUTC('C') - - /* Copy %a0 to %a1 until %a1 == %a2 */ -L2: - movel %a0@+, %d0 - movel %d0, %a1@+ - cmpal %a1, %a2 - bhi L2 - - /* Copy data+init segment from ROM to RAM */ - moveal #_etext, %a0 - moveal #_sdata, %a1 - moveal #__init_end, %a2 - - DBG_PUTC('D') - - /* Copy %a0 to %a1 until %a1 == %a2 */ -LD1: - movel %a0@+, %d0 - movel %d0, %a1@+ - cmpal %a1, %a2 - bhi LD1 - - DBG_PUTC('E') - - moveal #__bss_start, %a0 - moveal #__bss_stop, %a1 - - /* Copy 0 to %a0 until %a0 == %a1 */ -L1: - movel #0, %a0@+ - cmpal %a0, %a1 - bhi L1 - - DBG_PUTC('F') - - /* Copy command line from end of bss to command line */ - moveal #__bss_stop, %a0 - moveal #command_line, %a1 - lea %a1@(512), %a2 - - DBG_PUTC('G') - - /* Copy %a0 to %a1 until %a1 == %a2 */ -L3: - movel %a0@+, %d0 - movel %d0, %a1@+ - cmpal %a1, %a2 - bhi L3 - - movel #_sdata, %d0 - movel %d0, _rambase - movel #__bss_stop, %d0 - movel %d0, _ramstart - - movel %a4, %d0 - subl #4096, %d0 /* Reserve 4K of stack */ - moveq #79, %d7 - movel %d0, _ramend - - pea 0 - pea env - pea %sp@(4) - pea 0 - - DBG_PUTC('H') - -#ifdef CONFIG_PILOT - movel #bootlogo_bits, 0xFFFFFA00 - moveb #10, 0xFFFFFA05 - movew #160, 0xFFFFFA08 - movew #160, 0xFFFFFA0A -#endif /* CONFIG_PILOT */ - - DBG_PUTC('I') - - lea init_thread_union, %a0 - lea 0x2000(%a0), %sp - - DBG_PUTC('J') - DBG_PUTC('\r') - DBG_PUTC('\n') - - jsr start_kernel -_exit: - - jmp _exit - - - .data -env: - .long 0 diff --git a/arch/m68k/platform/68328/head-ram.S b/arch/m68k/platform/68328/head-ram.S deleted file mode 100644 index 5189ef926098..000000000000 --- a/arch/m68k/platform/68328/head-ram.S +++ /dev/null @@ -1,141 +0,0 @@ - - .global __main - .global __rom_start - - .global _rambase - .global _ramstart - - .global splash_bits - .global _start - .global _stext - .global _edata - -#define DEBUG -#define ROM_OFFSET 0x10C00000 -#define STACK_GAURD 0x10 - - .text - -_start: -_stext: - movew #0x2700, %sr /* Exceptions off! */ - -#if 0 - /* Init chip registers. uCsimm specific */ - moveb #0x00, 0xfffffb0b /* Watchdog off */ - moveb #0x10, 0xfffff000 /* SCR */ - - movew #0x2400, 0xfffff200 /* PLLCR */ - movew #0x0123, 0xfffff202 /* PLLFSR */ - - moveb #0x00, 0xfffff40b /* enable chip select */ - moveb #0x00, 0xfffff423 /* enable /DWE */ - moveb #0x08, 0xfffffd0d /* disable hardmap */ - moveb #0x07, 0xfffffd0e /* level 7 interrupt clear */ - - movew #0x8600, 0xfffff100 /* FLASH at 0x10c00000 */ - movew #0x018b, 0xfffff110 /* 2Meg, enable, 0ws */ - - movew #0x8f00, 0xfffffc00 /* DRAM configuration */ - movew #0x9667, 0xfffffc02 /* DRAM control */ - movew #0x0000, 0xfffff106 /* DRAM at 0x00000000 */ - movew #0x068f, 0xfffff116 /* 8Meg, enable, 0ws */ - - moveb #0x40, 0xfffff300 /* IVR */ - movel #0x007FFFFF, %d0 /* IMR */ - movel %d0, 0xfffff304 - - moveb 0xfffff42b, %d0 - andb #0xe0, %d0 - moveb %d0, 0xfffff42b - - moveb #0x08, 0xfffff907 /* Ignore CTS */ - movew #0x010b, 0xfffff902 /* BAUD to 9600 */ - movew #0xe100, 0xfffff900 /* enable */ -#endif - - movew #16384, %d0 /* PLL settle wait loop */ -L0: - subw #1, %d0 - bne L0 -#ifdef DEBUG - moveq #70, %d7 /* 'F' */ - moveb %d7,0xfffff907 /* No absolute addresses */ -pclp1: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq pclp1 -#endif /* DEBUG */ - -#ifdef DEBUG - moveq #82, %d7 /* 'R' */ - moveb %d7,0xfffff907 /* No absolute addresses */ -pclp3: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq pclp3 -#endif /* DEBUG */ - moveal #0x007ffff0, %ssp - moveal #__bss_start, %a0 - moveal #__bss_stop, %a1 - - /* Copy 0 to %a0 until %a0 >= %a1 */ -L1: - movel #0, %a0@+ - cmpal %a0, %a1 - bhi L1 - -#ifdef DEBUG - moveq #67, %d7 /* 'C' */ - jsr putc -#endif /* DEBUG */ - - pea 0 - pea env - pea %sp@(4) - pea 0 - -#ifdef DEBUG - moveq #70, %d7 /* 'F' */ - jsr putc -#endif /* DEBUG */ - -lp: - jsr start_kernel - jmp lp -_exit: - - jmp _exit - -__main: - /* nothing */ - rts - -#ifdef DEBUG -putc: - moveb %d7,0xfffff907 -pclp: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq pclp - rts -#endif /* DEBUG */ - - .data - -/* - * Set up the usable of RAM stuff. Size of RAM is determined then - * an initial stack set up at the end. - */ -.align 4 -_ramvec: -.long 0 -_rambase: -.long 0 -_ramstart: -.long 0 -_ramend: -.long 0 - -env: - .long 0 diff --git a/arch/m68k/platform/68328/head-rom.S b/arch/m68k/platform/68328/head-rom.S deleted file mode 100644 index 3dff98ba2e97..000000000000 --- a/arch/m68k/platform/68328/head-rom.S +++ /dev/null @@ -1,105 +0,0 @@ - - .global _start - .global _stext - - .global _rambase - .global _ramvec - .global _ramstart - .global _ramend - -#ifdef CONFIG_INIT_LCD - .global bootlogo_bits -#endif - - .data - -/* - * Set up the usable of RAM stuff. Size of RAM is determined then - * an initial stack set up at the end. - */ -.align 4 -_ramvec: -.long 0 -_rambase: -.long 0 -_ramstart: -.long 0 -_ramend: -.long 0 - -#define RAMEND (CONFIG_RAMBASE + CONFIG_RAMSIZE) - - .text -_start: -_stext: movew #0x2700,%sr -#ifdef CONFIG_INIT_LCD - movel #bootlogo_bits, 0xfffffA00 /* LSSA */ - moveb #0x28, 0xfffffA05 /* LVPW */ - movew #0x280, 0xFFFFFa08 /* LXMAX */ - movew #0x1df, 0xFFFFFa0a /* LYMAX */ - moveb #0, 0xfffffa29 /* LBAR */ - moveb #0, 0xfffffa25 /* LPXCD */ - moveb #0x08, 0xFFFFFa20 /* LPICF */ - moveb #0x01, 0xFFFFFA21 /* -ve pol */ - moveb #0x81, 0xfffffA27 /* LCKCON */ - movew #0xff00, 0xfffff412 /* LCD pins */ -#endif - moveal #RAMEND-CONFIG_MEMORY_RESERVE*0x100000 - 0x10, %sp - movew #32767, %d0 /* PLL settle wait loop */ -1: subq #1, %d0 - bne 1b - - /* Copy data segment from ROM to RAM */ - moveal #_etext, %a0 - moveal #_sdata, %a1 - moveal #_edata, %a2 - - /* Copy %a0 to %a1 until %a1 == %a2 */ -1: movel %a0@+, %a1@+ - cmpal %a1, %a2 - bhi 1b - - moveal #__bss_start, %a0 - moveal #__bss_stop, %a1 - /* Copy 0 to %a0 until %a0 == %a1 */ - -1: - clrl %a0@+ - cmpal %a0, %a1 - bhi 1b - - movel #_sdata, %d0 - movel %d0, _rambase - movel #__bss_stop, %d0 - movel %d0, _ramstart - movel #RAMEND-CONFIG_MEMORY_RESERVE*0x100000, %d0 - movel %d0, _ramend - movel #CONFIG_VECTORBASE, %d0 - movel %d0, _ramvec - -/* - * load the current task pointer and stack - */ - lea init_thread_union, %a0 - lea 0x2000(%a0), %sp - -1: jsr start_kernel - bra 1b -_exit: - - jmp _exit - - -putc: - moveb %d7,0xfffff907 -1: - movew 0xfffff906, %d7 - andw #0x2000, %d7 - beq 1b - rts - - .data -env: - .long 0 - .text - diff --git a/arch/m68k/platform/68328/ints.c b/arch/m68k/platform/68328/ints.c deleted file mode 100644 index b3810febb3e3..000000000000 --- a/arch/m68k/platform/68328/ints.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * linux/arch/m68knommu/platform/68328/ints.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * Copyright 1996 Roman Zippel - * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com> - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <asm/traps.h> -#include <asm/io.h> -#include <asm/machdep.h> - -#if defined(CONFIG_M68328) -#include <asm/MC68328.h> -#elif defined(CONFIG_M68EZ328) -#include <asm/MC68EZ328.h> -#elif defined(CONFIG_M68VZ328) -#include <asm/MC68VZ328.h> -#endif - -/* assembler routines */ -asmlinkage void system_call(void); -asmlinkage void buserr(void); -asmlinkage void trap(void); -asmlinkage void trap3(void); -asmlinkage void trap4(void); -asmlinkage void trap5(void); -asmlinkage void trap6(void); -asmlinkage void trap7(void); -asmlinkage void trap8(void); -asmlinkage void trap9(void); -asmlinkage void trap10(void); -asmlinkage void trap11(void); -asmlinkage void trap12(void); -asmlinkage void trap13(void); -asmlinkage void trap14(void); -asmlinkage void trap15(void); -asmlinkage void trap33(void); -asmlinkage void trap34(void); -asmlinkage void trap35(void); -asmlinkage void trap36(void); -asmlinkage void trap37(void); -asmlinkage void trap38(void); -asmlinkage void trap39(void); -asmlinkage void trap40(void); -asmlinkage void trap41(void); -asmlinkage void trap42(void); -asmlinkage void trap43(void); -asmlinkage void trap44(void); -asmlinkage void trap45(void); -asmlinkage void trap46(void); -asmlinkage void trap47(void); -asmlinkage irqreturn_t bad_interrupt(int, void *); -asmlinkage irqreturn_t inthandler(void); -asmlinkage irqreturn_t inthandler1(void); -asmlinkage irqreturn_t inthandler2(void); -asmlinkage irqreturn_t inthandler3(void); -asmlinkage irqreturn_t inthandler4(void); -asmlinkage irqreturn_t inthandler5(void); -asmlinkage irqreturn_t inthandler6(void); -asmlinkage irqreturn_t inthandler7(void); - -/* The 68k family did not have a good way to determine the source - * of interrupts until later in the family. The EC000 core does - * not provide the vector number on the stack, we vector everything - * into one vector and look in the blasted mask register... - * This code is designed to be fast, almost constant time, not clean! - */ -void process_int(int vec, struct pt_regs *fp) -{ - int irq; - int mask; - - unsigned long pend = ISR; - - while (pend) { - if (pend & 0x0000ffff) { - if (pend & 0x000000ff) { - if (pend & 0x0000000f) { - mask = 0x00000001; - irq = 0; - } else { - mask = 0x00000010; - irq = 4; - } - } else { - if (pend & 0x00000f00) { - mask = 0x00000100; - irq = 8; - } else { - mask = 0x00001000; - irq = 12; - } - } - } else { - if (pend & 0x00ff0000) { - if (pend & 0x000f0000) { - mask = 0x00010000; - irq = 16; - } else { - mask = 0x00100000; - irq = 20; - } - } else { - if (pend & 0x0f000000) { - mask = 0x01000000; - irq = 24; - } else { - mask = 0x10000000; - irq = 28; - } - } - } - - while (! (mask & pend)) { - mask <<=1; - irq++; - } - - do_IRQ(irq, fp); - pend &= ~mask; - } -} - -static void intc_irq_unmask(struct irq_data *d) -{ - IMR &= ~(1 << d->irq); -} - -static void intc_irq_mask(struct irq_data *d) -{ - IMR |= (1 << d->irq); -} - -static struct irq_chip intc_irq_chip = { - .name = "M68K-INTC", - .irq_mask = intc_irq_mask, - .irq_unmask = intc_irq_unmask, -}; - -/* - * This function should be called during kernel startup to initialize - * the machine vector table. - */ -void __init trap_init(void) -{ - int i; - - /* set up the vectors */ - for (i = 72; i < 256; ++i) - _ramvec[i] = (e_vector) bad_interrupt; - - _ramvec[32] = system_call; - - _ramvec[65] = (e_vector) inthandler1; - _ramvec[66] = (e_vector) inthandler2; - _ramvec[67] = (e_vector) inthandler3; - _ramvec[68] = (e_vector) inthandler4; - _ramvec[69] = (e_vector) inthandler5; - _ramvec[70] = (e_vector) inthandler6; - _ramvec[71] = (e_vector) inthandler7; -} - -void __init init_IRQ(void) -{ - int i; - - IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ - - /* turn off all interrupts */ - IMR = ~0; - - for (i = 0; (i < NR_IRQS); i++) { - irq_set_chip(i, &intc_irq_chip); - irq_set_handler(i, handle_level_irq); - } -} - diff --git a/arch/m68k/platform/68328/romvec.S b/arch/m68k/platform/68328/romvec.S deleted file mode 100644 index 31084466eae8..000000000000 --- a/arch/m68k/platform/68328/romvec.S +++ /dev/null @@ -1,35 +0,0 @@ -/* - * linux/arch/m68knommu/platform/68328/romvec.S - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * Copyright 1996 Roman Zippel - * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com> - * Copyright 2006 Greg Ungerer <gerg@snapgear.com> - */ - -.global _start -.global _buserr -.global trap -.global system_call - -.section .romvec - -e_vectors: -.long CONFIG_RAMBASE+CONFIG_RAMSIZE-4, _start, buserr, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -/* TRAP #0-15 */ -.long system_call, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long trap, trap, trap, trap -.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 - diff --git a/arch/m68k/platform/68328/timers.c b/arch/m68k/platform/68328/timers.c deleted file mode 100644 index f4dc9b295609..000000000000 --- a/arch/m68k/platform/68328/timers.c +++ /dev/null @@ -1,137 +0,0 @@ -/***************************************************************************/ - -/* - * linux/arch/m68knommu/platform/68328/timers.c - * - * Copyright (C) 1993 Hamish Macdonald - * Copyright (C) 1999 D. Jeff Dionne - * Copyright (C) 2001 Georges Menie, Ken Desmet - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -/***************************************************************************/ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/clocksource.h> -#include <linux/rtc.h> -#include <asm/setup.h> -#include <asm/pgtable.h> -#include <asm/machdep.h> -#include <asm/MC68VZ328.h> - -/***************************************************************************/ - -#if defined(CONFIG_DRAGEN2) -/* with a 33.16 MHz clock, this will give usec resolution to the time functions */ -#define CLOCK_SOURCE TCTL_CLKSOURCE_SYSCLK -#define CLOCK_PRE 7 -#define TICKS_PER_JIFFY 41450 - -#elif defined(CONFIG_XCOPILOT_BUGS) -/* - * The only thing I know is that CLK32 is not available on Xcopilot - * I have little idea about what frequency SYSCLK has on Xcopilot. - * The values for prescaler and compare registers were simply - * taken from the original source - */ -#define CLOCK_SOURCE TCTL_CLKSOURCE_SYSCLK -#define CLOCK_PRE 2 -#define TICKS_PER_JIFFY 0xd7e4 - -#else -/* default to using the 32Khz clock */ -#define CLOCK_SOURCE TCTL_CLKSOURCE_32KHZ -#define CLOCK_PRE 31 -#define TICKS_PER_JIFFY 10 -#endif - -static u32 m68328_tick_cnt; -static irq_handler_t timer_interrupt; - -/***************************************************************************/ - -static irqreturn_t hw_tick(int irq, void *dummy) -{ - /* Reset Timer1 */ - TSTAT &= 0; - - m68328_tick_cnt += TICKS_PER_JIFFY; - return timer_interrupt(irq, dummy); -} - -/***************************************************************************/ - -static struct irqaction m68328_timer_irq = { - .name = "timer", - .flags = IRQF_DISABLED | IRQF_TIMER, - .handler = hw_tick, -}; - -/***************************************************************************/ - -static cycle_t m68328_read_clk(struct clocksource *cs) -{ - unsigned long flags; - u32 cycles; - - local_irq_save(flags); - cycles = m68328_tick_cnt + TCN; - local_irq_restore(flags); - - return cycles; -} - -/***************************************************************************/ - -static struct clocksource m68328_clk = { - .name = "timer", - .rating = 250, - .read = m68328_read_clk, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -/***************************************************************************/ - -void hw_timer_init(irq_handler_t handler) -{ - /* disable timer 1 */ - TCTL = 0; - - /* set ISR */ - setup_irq(TMR_IRQ_NUM, &m68328_timer_irq); - - /* Restart mode, Enable int, Set clock source */ - TCTL = TCTL_OM | TCTL_IRQEN | CLOCK_SOURCE; - TPRER = CLOCK_PRE; - TCMP = TICKS_PER_JIFFY; - - /* Enable timer 1 */ - TCTL |= TCTL_TEN; - clocksource_register_hz(&m68328_clk, TICKS_PER_JIFFY*HZ); - timer_interrupt = handler; -} - -/***************************************************************************/ - -int m68328_hwclk(int set, struct rtc_time *t) -{ - if (!set) { - long now = RTCTIME; - t->tm_year = t->tm_mon = t->tm_mday = 1; - t->tm_hour = (now >> 24) % 24; - t->tm_min = (now >> 16) % 60; - t->tm_sec = now % 60; - } - - return 0; -} - -/***************************************************************************/ |