diff options
33 files changed, 2463 insertions, 2 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 42627196f8..d7ef203e55 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -555,5 +555,12 @@ Zachary P. Landau <zachary.landau@labxtechnologies.com> r5200 mcf52x2 ######################################################################### +# AVR32 Systems: # +# # +# Maintainer Name, Email Address # +# Board CPU # +######################################################################### + +######################################################################### # End of MAINTAINERS list # ######################################################################### @@ -152,6 +152,9 @@ endif ifeq ($(ARCH),blackfin) CROSS_COMPILE = bfin-elf- endif +ifeq ($(ARCH),avr32) +CROSS_COMPILE = avr32- +endif endif endif @@ -2099,6 +2102,10 @@ pb1000_config : unconfig @echo "#define CONFIG_PB1000 1" >>$(obj)include/config.h @$(MKCONFIG) -a pb1x00 mips mips pb1x00 +#======================================================================== +# AVR32 +#======================================================================== + ######################################################################### ## MIPS64 5Kc ######################################################################### @@ -156,6 +156,7 @@ Directory Hierarchy: - examples Example code for standalone applications, etc. - include Header Files - lib_arm Files generic to ARM architecture +- lib_avr32 Files generic to AVR32 architecture - lib_generic Files generic to all architectures - lib_i386 Files generic to i386 architecture - lib_m68k Files generic to m68k architecture @@ -2722,9 +2723,9 @@ defines the following image properties: 4.4BSD, Linux, SVR4, Esix, Solaris, Irix, SCO, Dell, NCR, VxWorks, LynxOS, pSOS, QNX, RTEMS, ARTOS; Currently supported: Linux, NetBSD, VxWorks, QNX, RTEMS, ARTOS, LynxOS). -* Target CPU Architecture (Provisions for Alpha, ARM, Intel x86, +* Target CPU Architecture (Provisions for Alpha, ARM, AVR32, Intel x86, IA64, MIPS, NIOS, PowerPC, IBM S390, SuperH, Sparc, Sparc 64 Bit; - Currently supported: ARM, Intel x86, MIPS, NIOS, PowerPC). + Currently supported: ARM, AVR32, Intel x86, MIPS, NIOS, PowerPC). * Compression Type (uncompressed, gzip, bzip2) * Load Address * Entry Point diff --git a/avr32_config.mk b/avr32_config.mk new file mode 100644 index 0000000000..0b92053e1a --- /dev/null +++ b/avr32_config.mk @@ -0,0 +1,25 @@ +# +# (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 +# + +PLATFORM_RELFLAGS += -ffixed-r5 -mno-pic -mrelax +PLATFORM_LDFLAGS += --relax diff --git a/doc/README.AVR32 b/doc/README.AVR32 new file mode 100644 index 0000000000..abec872c57 --- /dev/null +++ b/doc/README.AVR32 @@ -0,0 +1,33 @@ +From: Haavard Skinnemoen <hskinnemoen@atmel.com> +Date: Wed, 30 Aug 2006 17:01:46 +0200 +Subject: [PATCH] AVR32 architecture support + +This patch adds common infrastructure code for the Atmel AVR32 +architecture. + +AVR32 is a new high-performance 32-bit RISC microprocessor core, +designed for cost-sensitive embedded applications, with particular +emphasis on low power consumption and high code density. The AVR32 +architecture is not binary compatible with earlier 8-bit AVR +architectures. + +The AVR32 architecture, including the instruction set, is described +by the AVR32 Architecture Manual, available from + +http://www.atmel.com/dyn/resources/prod_documents/doc32000.pdf + +A GNU toolchain with support for AVR32 is included with the ATSTK1000 +BSP, which can be downloaded as an ISO image from + +http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3918 + +Alternatively, you can build it yourself by following the +Getting Started guide at avr32linux.org, which also provides links +to the necessary sources and patches you need to download: + +http://avr32linux.org/twiki/bin/view/Main/GettingStarted + +The AVR32 ports of u-boot, the Linux kernel, the GNU toolchain and +other associated software are actively supported by Atmel Corporation. + +Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> diff --git a/examples/Makefile b/examples/Makefile index 680fe75d92..423a79b2dd 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -57,6 +57,10 @@ ifeq ($(ARCH),blackfin) LOAD_ADDR = 0x1000 endif +ifeq ($(ARCH),avr32) +LOAD_ADDR = 0x00000000 +endif + include $(TOPDIR)/config.mk ELF = hello_world diff --git a/examples/stubs.c b/examples/stubs.c index 1caa575747..ffd314e6b3 100644 --- a/examples/stubs.c +++ b/examples/stubs.c @@ -138,6 +138,19 @@ gd_t *global_data; " P0 = [P0 + %1]\n" \ " JUMP (P0)\n" \ : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "P0"); +#elif defined(CONFIG_AVR32) +/* + * r6 holds the pointer to the global_data. r8 is call clobbered. + */ +#define EXPORT_FUNC(x) \ + asm volatile( \ + " .globl\t" #x "\n" \ + #x ":\n" \ + " ld.w r8, r6[%0]\n" \ + " ld.w pc, r8[%1]\n" \ + : \ + : "i"(offsetof(gd_t, jt)), "i"(XF_ ##x) \ + : "r8"); #else #error stubs definition missing for this architecture #endif diff --git a/include/asm-avr32/addrspace.h b/include/asm-avr32/addrspace.h new file mode 100644 index 0000000000..b2ba1ee2fe --- /dev/null +++ b/include/asm-avr32/addrspace.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_ADDRSPACE_H +#define __ASM_AVR32_ADDRSPACE_H + +/* Memory segments when segmentation is enabled */ +#define P0SEG 0x00000000 +#define P1SEG 0x80000000 +#define P2SEG 0xa0000000 +#define P3SEG 0xc0000000 +#define P4SEG 0xe0000000 + +/* Returns the privileged segment base of a given address */ +#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) + +/* Returns the physical address of a PnSEG (n=1,2) address */ +#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) + +/* + * Map an address to a certain privileged segment + */ +#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) +#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) +#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) +#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) + +#endif /* __ASM_AVR32_ADDRSPACE_H */ diff --git a/include/asm-avr32/bitops.h b/include/asm-avr32/bitops.h new file mode 100644 index 0000000000..f15fd4647e --- /dev/null +++ b/include/asm-avr32/bitops.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_BITOPS_H +#define __ASM_AVR32_BITOPS_H + +#endif /* __ASM_AVR32_BITOPS_H */ diff --git a/include/asm-avr32/byteorder.h b/include/asm-avr32/byteorder.h new file mode 100644 index 0000000000..2fe867e978 --- /dev/null +++ b/include/asm-avr32/byteorder.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_BYTEORDER_H +#define __ASM_AVR32_BYTEORDER_H + +#include <asm/types.h> + +#define __arch__swab32(x) __builtin_bswap_32(x) +#define __arch__swab16(x) __builtin_bswap_16(x) + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#include <linux/byteorder/big_endian.h> + +#endif /* __ASM_AVR32_BYTEORDER_H */ diff --git a/include/asm-avr32/cacheflush.h b/include/asm-avr32/cacheflush.h new file mode 100644 index 0000000000..929f68e1a0 --- /dev/null +++ b/include/asm-avr32/cacheflush.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_CACHEFLUSH_H +#define __ASM_AVR32_CACHEFLUSH_H + +/* + * Invalidate any cacheline containing virtual address vaddr without + * writing anything back to memory. + * + * Note that this function may corrupt unrelated data structures when + * applied on buffers that are not cacheline aligned in both ends. + */ +static inline void dcache_invalidate_line(volatile void *vaddr) +{ + asm volatile("cache %0[0], 0x0b" : : "r"(vaddr) : "memory"); +} + +/* + * Make sure any cacheline containing virtual address vaddr is written + * to memory. + */ +static inline void dcache_clean_line(volatile void *vaddr) +{ + asm volatile("cache %0[0], 0x0c" : : "r"(vaddr) : "memory"); +} + +/* + * Make sure any cacheline containing virtual address vaddr is written + * to memory and then invalidate it. + */ +static inline void dcache_flush_line(volatile void *vaddr) +{ + asm volatile("cache %0[0], 0x0d" : : "r"(vaddr) : "memory"); +} + +/* + * Invalidate any instruction cacheline containing virtual address + * vaddr. + */ +static inline void icache_invalidate_line(volatile void *vaddr) +{ + asm volatile("cache %0[0], 0x01" : : "r"(vaddr) : "memory"); +} + +/* + * Applies the above functions on all lines that are touched by the + * specified virtual address range. + */ +void dcache_invalidate_range(volatile void *start, size_t len); +void dcache_clean_range(volatile void *start, size_t len); +void dcache_flush_range(volatile void *start, size_t len); +void icache_invalidate_range(volatile void *start, size_t len); + +static inline void dcache_flush_unlocked(void) +{ + asm volatile("cache %0[5], 0x08" : : "r"(0) : "memory"); +} + +/* + * Make sure any pending writes are completed before continuing. + */ +#define sync_write_buffer() asm volatile("sync 0" : : : "memory") + +#endif /* __ASM_AVR32_CACHEFLUSH_H */ diff --git a/include/asm-avr32/div64.h b/include/asm-avr32/div64.h new file mode 100644 index 0000000000..2e0ba8389e --- /dev/null +++ b/include/asm-avr32/div64.h @@ -0,0 +1,39 @@ +#ifndef _ASM_GENERIC_DIV64_H +#define _ASM_GENERIC_DIV64_H +/* + * Copyright (C) 2003 Bernardo Innocenti <bernie@develer.com> + * Based on former asm-ppc/div64.h and asm-m68knommu/div64.h + * + * The semantics of do_div() are: + * + * uint32_t do_div(uint64_t *n, uint32_t base) + * { + * uint32_t remainder = *n % base; + * *n = *n / base; + * return remainder; + * } + * + * NOTE: macro parameter n is evaluated multiple times, + * beware of side effects! + */ + +#include <linux/types.h> + +extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); + +/* The unnecessary pointer compare is there + * to check for type safety (n must be 64bit) + */ +# define do_div(n,base) ({ \ + uint32_t __base = (base); \ + uint32_t __rem; \ + (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ + if (((n) >> 32) == 0) { \ + __rem = (uint32_t)(n) % __base; \ + (n) = (uint32_t)(n) / __base; \ + } else \ + __rem = __div64_32(&(n), __base); \ + __rem; \ + }) + +#endif /* _ASM_GENERIC_DIV64_H */ diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h new file mode 100644 index 0000000000..3b46fa3e62 --- /dev/null +++ b/include/asm-avr32/dma-mapping.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_DMA_MAPPING_H +#define __ASM_AVR32_DMA_MAPPING_H + +#include <asm/io.h> +#include <asm/cacheflush.h> + +enum dma_data_direction { + DMA_BIDIRECTIONAL = 0, + DMA_TO_DEVICE = 1, + DMA_FROM_DEVICE = 2, +}; +extern void *dma_alloc_coherent(size_t len, unsigned long *handle); + +static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, + enum dma_data_direction dir) +{ + extern void __bad_dma_data_direction(void); + + switch (dir) { + case DMA_BIDIRECTIONAL: + dcache_flush_range(vaddr, len); + break; + case DMA_TO_DEVICE: + dcache_clean_range(vaddr, len); + break; + case DMA_FROM_DEVICE: + dcache_invalidate_range(vaddr, len); + break; + default: + /* This will cause a linker error */ + __bad_dma_data_direction(); + } + + return virt_to_phys(vaddr); +} + +static inline void dma_unmap_single(volatile void *vaddr, size_t len, + unsigned long paddr) +{ + +} + +#endif /* __ASM_AVR32_DMA_MAPPING_H */ diff --git a/include/asm-avr32/errno.h b/include/asm-avr32/errno.h new file mode 100644 index 0000000000..ea3506ff38 --- /dev/null +++ b/include/asm-avr32/errno.h @@ -0,0 +1,132 @@ +#ifndef _ASM_AVR32_ERRNO_H +#define _ASM_AVR32_ERRNO_H + +#define EPERM 1 /* Operation not permitted */ +#define ENOENT 2 /* No such file or directory */ +#define ESRCH 3 /* No such process */ +#define EINTR 4 /* Interrupted system call */ +#define EIO 5 /* I/O error */ +#define ENXIO 6 /* No such device or address */ +#define E2BIG 7 /* Argument list too long */ +#define ENOEXEC 8 /* Exec format error */ +#define EBADF 9 /* Bad file number */ +#define ECHILD 10 /* No child processes */ +#define EAGAIN 11 /* Try again */ +#define ENOMEM 12 /* Out of memory */ +#define EACCES 13 /* Permission denied */ +#define EFAULT 14 /* Bad address */ +#define ENOTBLK 15 /* Block device required */ +#define EBUSY 16 /* Device or resource busy */ +#define EEXIST 17 /* File exists */ +#define EXDEV 18 /* Cross-device link */ +#define ENODEV 19 /* No such device */ +#define ENOTDIR 20 /* Not a directory */ +#define EISDIR 21 /* Is a directory */ +#define EINVAL 22 /* Invalid argument */ +#define ENFILE 23 /* File table overflow */ +#define EMFILE 24 /* Too many open files */ +#define ENOTTY 25 /* Not a typewriter */ +#define ETXTBSY 26 /* Text file busy */ +#define EFBIG 27 /* File too large */ +#define ENOSPC 28 /* No space left on device */ +#define ESPIPE 29 /* Illegal seek */ +#define EROFS 30 /* Read-only file system */ +#define EMLINK 31 /* Too many links */ +#define EPIPE 32 /* Broken pipe */ +#define EDOM 33 /* Math argument out of domain of func */ +#define ERANGE 34 /* Math result not representable */ +#define EDEADLK 35 /* Resource deadlock would occur */ +#define ENAMETOOLONG 36 /* File name too long */ +#define ENOLCK 37 /* No record locks available */ +#define ENOSYS 38 /* Function not implemented */ +#define ENOTEMPTY 39 /* Directory not empty */ +#define ELOOP 40 /* Too many symbolic links encountered */ +#define EWOULDBLOCK EAGAIN /* Operation would block */ +#define ENOMSG 42 /* No message of desired type */ +#define EIDRM 43 /* Identifier removed */ +#define ECHRNG 44 /* Channel number out of range */ +#define EL2NSYNC 45 /* Level 2 not synchronized */ +#define EL3HLT 46 /* Level 3 halted */ +#define EL3RST 47 /* Level 3 reset */ +#define ELNRNG 48 /* Link number out of range */ +#define EUNATCH 49 /* Protocol driver not attached */ +#define ENOCSI 50 /* No CSI structure available */ +#define EL2HLT 51 /* Level 2 halted */ +#define EBADE 52 /* Invalid exchange */ +#define EBADR 53 /* Invalid request descriptor */ +#define EXFULL 54 /* Exchange full */ +#define ENOANO 55 /* No anode */ +#define EBADRQC 56 /* Invalid request code */ +#define EBADSLT 57 /* Invalid slot */ + +#define EDEADLOCK EDEADLK + +#define EBFONT 59 /* Bad font file format */ +#define ENOSTR 60 /* Device not a stream */ +#define ENODATA 61 /* No data available */ +#define ETIME 62 /* Timer expired */ +#define ENOSR 63 /* Out of streams resources */ +#define ENONET 64 /* Machine is not on the network */ +#define ENOPKG 65 /* Package not installed */ +#define EREMOTE 66 /* Object is remote */ +#define ENOLINK 67 /* Link has been severed */ +#define EADV 68 /* Advertise error */ +#define ESRMNT 69 /* Srmount error */ +#define ECOMM 70 /* Communication error on send */ +#define EPROTO 71 /* Protocol error */ +#define EMULTIHOP 72 /* Multihop attempted */ +#define EDOTDOT 73 /* RFS specific error */ +#define EBADMSG 74 /* Not a data message */ +#define EOVERFLOW 75 /* Value too large for defined data type */ +#define ENOTUNIQ 76 /* Name not unique on network */ +#define EBADFD 77 /* File descriptor in bad state */ +#define EREMCHG 78 /* Remote address changed */ +#define ELIBACC 79 /* Can not access a needed shared library */ +#define ELIBBAD 80 /* Accessing a corrupted shared library */ +#define ELIBSCN 81 /* .lib section in a.out corrupted */ +#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ +#define ELIBEXEC 83 /* Cannot exec a shared library directly */ +#define EILSEQ 84 /* Illegal byte sequence */ +#define ERESTART 85 /* Interrupted system call should be restarted */ +#define ESTRPIPE 86 /* Streams pipe error */ +#define EUSERS 87 /* Too many users */ +#define ENOTSOCK 88 /* Socket operation on non-socket */ +#define EDESTADDRREQ 89 /* Destination address required */ +#define EMSGSIZE 90 /* Message too long */ +#define EPROTOTYPE 91 /* Protocol wrong type for socket */ +#define ENOPROTOOPT 92 /* Protocol not available */ +#define EPROTONOSUPPORT 93 /* Protocol not supported */ +#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ +#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ +#define EPFNOSUPPORT 96 /* Protocol family not supported */ +#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ +#define EADDRINUSE 98 /* Address already in use */ +#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ +#define ENETDOWN 100 /* Network is down */ +#define ENETUNREACH 101 /* Network is unreachable */ +#define ENETRESET 102 /* Network dropped connection because of reset */ +#define ECONNABORTED 103 /* Software caused connection abort */ +#define ECONNRESET 104 /* Connection reset by peer */ +#define ENOBUFS 105 /* No buffer space available */ +#define EISCONN 106 /* Transport endpoint is already connected */ +#define ENOTCONN 107 /* Transport endpoint is not connected */ +#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ +#define ETOOMANYREFS 109 /* Too many references: cannot splice */ +#define ETIMEDOUT 110 /* Connection timed out */ +#define ECONNREFUSED 111 /* Connection refused */ +#define EHOSTDOWN 112 /* Host is down */ +#define EHOSTUNREACH 113 /* No route to host */ +#define EALREADY 114 /* Operation already in progress */ +#define EINPROGRESS 115 /* Operation now in progress */ +#define ESTALE 116 /* Stale NFS file handle */ +#define EUCLEAN 117 /* Structure needs cleaning */ +#define ENOTNAM 118 /* Not a XENIX named type file */ +#define ENAVAIL 119 /* No XENIX semaphores available */ +#define EISNAM 120 /* Is a named type file */ +#define EREMOTEIO 121 /* Remote I/O error */ +#define EDQUOT 122 /* Quota exceeded */ + +#define ENOMEDIUM 123 /* No medium found */ +#define EMEDIUMTYPE 124 /* Wrong medium type */ + +#endif /* _ASM_AVR32_ERRNO_H */ diff --git a/include/asm-avr32/global_data.h b/include/asm-avr32/global_data.h new file mode 100644 index 0000000000..01d836c639 --- /dev/null +++ b/include/asm-avr32/global_data.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * 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_GLOBAL_DATA_H__ +#define __ASM_GLOBAL_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 CFG_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + const struct device *console_uart; + const struct device *sm; + unsigned long baudrate; + unsigned long sdram_size; + unsigned long have_console; /* serial_init() was called */ + unsigned long reloc_off; /* Relocation Offset */ + unsigned long env_addr; /* Address of env struct */ + unsigned long env_valid; /* Checksum of env valid? */ + unsigned long cpu_hz; /* cpu core clock frequency */ + void **jt; /* jump table */ +} gd_t; + +/* + * 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 DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm("r5") + +#endif /* __ASM_GLOBAL_DATA_H__ */ diff --git a/include/asm-avr32/initcalls.h b/include/asm-avr32/initcalls.h new file mode 100644 index 0000000000..7ba25cde53 --- /dev/null +++ b/include/asm-avr32/initcalls.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2005, 2006 Atmel Corporation + * + * 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_AVR32_INITCALLS_H__ +#define __ASM_AVR32_INITCALLS_H__ + +#include <config.h> + +extern int cpu_init(void); +extern int timer_init(void); +extern void board_init_memories(void); +extern void board_init_pio(void); +extern void board_init_info(void); + +#endif /* __ASM_AVR32_INITCALLS_H__ */ diff --git a/include/asm-avr32/io.h b/include/asm-avr32/io.h new file mode 100644 index 0000000000..e86c456ae1 --- /dev/null +++ b/include/asm-avr32/io.h @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_IO_H +#define __ASM_AVR32_IO_H + +#ifdef __KERNEL__ + +/* + * Generic IO read/write. These perform native-endian accesses. Note + * that some architectures will want to re-define __raw_{read,write}w. + */ +extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); +extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); +extern void __raw_writesl(unsigned int addr, const void *data, int longlen); + +extern void __raw_readsb(unsigned int addr, void *data, int bytelen); +extern void __raw_readsw(unsigned int addr, void *data, int wordlen); +extern void __raw_readsl(unsigned int addr, void *data, int longlen); + +#define __raw_writeb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __raw_writew(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __raw_writel(v,a) (*(volatile unsigned int *)(a) = (v)) + +#define __raw_readb(a) (*(volatile unsigned char *)(a)) +#define __raw_readw(a) (*(volatile unsigned short *)(a)) +#define __raw_readl(a) (*(volatile unsigned int *)(a)) + +/* As long as I/O is only performed in P4 (or possibly P3), we're safe */ +#define writeb(v,a) __raw_writeb(v,a) +#define writew(v,a) __raw_writew(v,a) +#define writel(v,a) __raw_writel(v,a) + +#define readb(a) __raw_readb(a) +#define readw(a) __raw_readw(a) +#define readl(a) __raw_readl(a) + +/* + * Bad read/write accesses... + */ +extern void __readwrite_bug(const char *fn); + +#define IO_SPACE_LIMIT 0xffffffff + +/* + * All I/O is memory mapped, so these macros doesn't make very much sense + */ +#define outb(v,p) __raw_writeb(v, p) +#define outw(v,p) __raw_writew(cpu_to_le16(v),p) +#define outl(v,p) __raw_writel(cpu_to_le32(v),p) + +#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; }) +#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; }) +#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; }) + +#include <asm/addrspace.h> + +/* virt_to_phys will only work when address is in P1 or P2 */ +static __inline__ unsigned long virt_to_phys(volatile void *address) +{ + return PHYSADDR(address); +} + +static __inline__ void * phys_to_virt(unsigned long address) +{ + return (void *)P1SEGADDR(address); +} + +#define cached(addr) ((void *)P1SEGADDR(addr)) +#define uncached(addr) ((void *)P2SEGADDR(addr)) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_AVR32_IO_H */ diff --git a/include/asm-avr32/posix_types.h b/include/asm-avr32/posix_types.h new file mode 100644 index 0000000000..edf1bc14d2 --- /dev/null +++ b/include/asm-avr32/posix_types.h @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_POSIX_TYPES_H +#define __ASM_AVR32_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 long __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 int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +typedef unsigned long __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_timer_t; +typedef int __kernel_clockid_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; +typedef unsigned short __kernel_old_dev_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__) + +#undef __FD_SET +static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); +} + +#undef __FD_CLR +static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); +} + + +#undef __FD_ISSET +static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant case (8 ints, + * for a 256-bit fd_set) + */ +#undef __FD_ZERO +static __inline__ void __FD_ZERO(__kernel_fd_set *__p) +{ + unsigned long *__tmp = __p->fds_bits; + int __i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 16: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + __tmp[ 8] = 0; __tmp[ 9] = 0; + __tmp[10] = 0; __tmp[11] = 0; + __tmp[12] = 0; __tmp[13] = 0; + __tmp[14] = 0; __tmp[15] = 0; + return; + + case 8: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + return; + + case 4: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + return; + } + } + __i = __FDSET_LONGS; + while (__i) { + __i--; + *__tmp = 0; + __tmp++; + } +} + +#endif /* defined(__KERNEL__) */ + +#endif /* __ASM_AVR32_POSIX_TYPES_H */ diff --git a/include/asm-avr32/processor.h b/include/asm-avr32/processor.h new file mode 100644 index 0000000000..cc59dfad56 --- /dev/null +++ b/include/asm-avr32/processor.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_PROCESSOR_H +#define __ASM_AVR32_PROCESSOR_H + +#ifndef __ASSEMBLY__ + +#define current_text_addr() ({ void *pc; __asm__("mov %0,pc" : "=r"(pc)); pc; }) + +struct avr32_cpuinfo { + unsigned long loops_per_jiffy; +}; + +extern struct avr32_cpuinfo boot_cpu_data; + +#ifdef CONFIG_SMP +extern struct avr32_cpuinfo cpu_data[]; +#define current_cpu_data cpu_data[smp_processor_id()] +#else +#define cpu_data (&boot_cpu_data) +#define current_cpu_data boot_cpu_data +#endif + +/* TODO: Make configurable (2GB will serve as a reasonable default) */ +#define TASK_SIZE 0x80000000 + +/* This decides where the kernel will search for a free chunk of vm + * space during mmap's + */ +#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) + +#define cpu_relax() barrier() +#define cpu_sync_pipeline() asm volatile("sub pc, -2" : : : "memory") + +/* This struct contains the CPU context as stored by switch_to() */ +struct thread_struct { + unsigned long pc; + unsigned long ksp; /* Kernel stack pointer */ + unsigned long r7; + unsigned long r6; + unsigned long r5; + unsigned long r4; + unsigned long r3; + unsigned long r2; + unsigned long r1; + unsigned long r0; +}; + +#define INIT_THREAD { \ + .ksp = sizeof(init_stack) + (long)&init_stack, \ +} + +/* + * Do necessary setup to start up a newly executed thread. + */ +#define start_thread(regs, new_pc, new_sp) \ + set_fs(USER_DS); \ + regs->sr = 0; /* User mode. */ \ + regs->gr[REG_PC] = new_pc; \ + regs->gr[REG_SP] = new_sp + +struct task_struct; + +/* Free all resources held by a thread */ +extern void release_thread(struct task_struct *); + +/* Create a kernel thread without removing it from tasklists */ +extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); + +/* Prepare to copy thread state - unlazy all lazy status */ +#define prepare_to_copy(tsk) do { } while(0) + +/* Return saved PC of a blocked thread */ +#define thread_saved_pc(tsk) (tsk->thread.pc) + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_AVR32_PROCESSOR_H */ diff --git a/include/asm-avr32/ptrace.h b/include/asm-avr32/ptrace.h new file mode 100644 index 0000000000..c770ba02c3 --- /dev/null +++ b/include/asm-avr32/ptrace.h @@ -0,0 +1,148 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_PTRACE_H +#define __ASM_AVR32_PTRACE_H + +/* + * Status Register bits + */ +#define SR_H 0x40000000 +#define SR_R 0x20000000 +#define SR_J 0x10000000 +#define SR_DM 0x08000000 +#define SR_D 0x04000000 +#define MODE_NMI 0x01c00000 +#define MODE_EXCEPTION 0x01800000 +#define MODE_INT3 0x01400000 +#define MODE_INT2 0x01000000 +#define MODE_INT1 0x00c00000 +#define MODE_INT0 0x00800000 +#define MODE_SUPERVISOR 0x00400000 +#define MODE_USER 0x00000000 +#define MODE_MASK 0x01c00000 +#define SR_EM 0x00200000 +#define SR_I3M 0x00100000 +#define SR_I2M 0x00080000 +#define SR_I1M 0x00040000 +#define SR_I0M 0x00020000 +#define SR_GM 0x00010000 + +#define MODE_SHIFT 22 +#define SR_EM_BIT 21 +#define SR_I3M_BIT 20 +#define SR_I2M_BIT 19 +#define SR_I1M_BIT 18 +#define SR_I0M_BIT 17 +#define SR_GM_BIT 16 + +/* The user-visible part */ +#define SR_Q 0x00000010 +#define SR_V 0x00000008 +#define SR_N 0x00000004 +#define SR_Z 0x00000002 +#define SR_C 0x00000001 + +/* + * The order is defined by the stdsp instruction. r0 is stored first, so it + * gets the highest address. + * + * Registers 0-12 are general-purpose registers (r12 is normally used for + * the function return value). + * Register 13 is the stack pointer + * Register 14 is the link register + * Register 15 is the program counter + */ +#define FRAME_SIZE_FULL 72 +#define REG_R12_ORIG 68 +#define REG_R0 64 +#define REG_R1 60 +#define REG_R2 56 +#define REG_R3 52 +#define REG_R4 48 +#define REG_R5 44 +#define REG_R6 40 +#define REG_R7 36 +#define REG_R8 32 +#define REG_R9 28 +#define REG_R10 34 +#define REG_R11 20 +#define REG_R12 16 +#define REG_SP 12 +#define REG_LR 8 + +#define FRAME_SIZE_MIN 8 +#define REG_PC 4 +#define REG_SR 0 + +#ifndef __ASSEMBLY__ +struct pt_regs { + /* These are always saved */ + unsigned long sr; + unsigned long pc; + + /* These are sometimes saved */ + unsigned long lr; + unsigned long sp; + unsigned long r12; + unsigned long r11; + unsigned long r10; + unsigned long r9; + unsigned long r8; + unsigned long r7; + unsigned long r6; + unsigned long r5; + unsigned long r4; + unsigned long r3; + unsigned long r2; + unsigned long r1; + unsigned long r0; + + /* Only saved on system call */ + unsigned long r12_orig; +}; + +#ifdef __KERNEL__ +# define user_mode(regs) (((regs)->sr & MODE_MASK) == MODE_USER) +# define instruction_pointer(regs) ((regs)->pc) +extern void show_regs (struct pt_regs *); + +static __inline__ int valid_user_regs(struct pt_regs *regs) +{ + /* + * Some of the Java bits might be acceptable if/when we + * implement some support for that stuff... + */ + if ((regs->sr & 0xffff0000) == 0) + return 1; + + /* + * Force status register flags to be sane and report this + * illegal behaviour... + */ + regs->sr &= 0x0000ffff; + return 0; +} +#endif + +#endif /* ! __ASSEMBLY__ */ + +#endif /* __ASM_AVR32_PTRACE_H */ diff --git a/include/asm-avr32/sdram.h b/include/asm-avr32/sdram.h new file mode 100644 index 0000000000..5057eefa8a --- /dev/null +++ b/include/asm-avr32/sdram.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_SDRAM_H +#define __ASM_AVR32_SDRAM_H + +struct sdram_info { + unsigned long phys_addr; + unsigned int row_bits, col_bits, bank_bits; + unsigned int cas, twr, trc, trp, trcd, tras, txsr; +}; + +extern unsigned long sdram_init(const struct sdram_info *info); + +#endif /* __ASM_AVR32_SDRAM_H */ diff --git a/include/asm-avr32/sections.h b/include/asm-avr32/sections.h new file mode 100644 index 0000000000..75373abde7 --- /dev/null +++ b/include/asm-avr32/sections.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_SECTIONS_H +#define __ASM_AVR32_SECTIONS_H + +/* References to section boundaries */ + +extern char _text[], _etext[]; +extern char __flashprog_start[], __flashprog_end[]; +extern char _data[], __data_lma[], _edata[], __edata_lma[]; +extern char __got_start[], __got_lma[], __got_end[]; +extern char _end[]; + +/* + * Everything in .flashprog will be locked in the icache so it doesn't + * get disturbed when executing flash commands. + */ +#define __flashprog __attribute__((section(".flashprog"), __noinline__)) + +#endif /* __ASM_AVR32_SECTIONS_H */ diff --git a/include/asm-avr32/setup.h b/include/asm-avr32/setup.h new file mode 100644 index 0000000000..e6ef8d6b50 --- /dev/null +++ b/include/asm-avr32/setup.h @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * Based on linux/include/asm-arm/setup.h + * Copyright (C) 1997-1999 Russel King + * + * 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_AVR32_SETUP_H__ +#define __ASM_AVR32_SETUP_H__ + +#define COMMAND_LINE_SIZE 256 + +/* Magic number indicating that a tag table is present */ +#define ATAG_MAGIC 0xa2a25441 + +#ifndef __ASSEMBLY__ + +/* + * Generic memory range, used by several tags. + * + * addr is always physical. + * size is measured in bytes. + * next is for use by the OS, e.g. for grouping regions into + * linked lists. + */ +struct tag_mem_range { + u32 addr; + u32 size; + struct tag_mem_range * next; +}; + +/* The list ends with an ATAG_NONE node. */ +#define ATAG_NONE 0x00000000 + +struct tag_header { + u32 size; + u32 tag; +}; + +/* The list must start with an ATAG_CORE node */ +#define ATAG_CORE 0x54410001 + +struct tag_core { + u32 flags; + u32 pagesize; + u32 rootdev; +}; + +/* it is allowed to have multiple ATAG_MEM nodes */ +#define ATAG_MEM 0x54410002 +/* ATAG_MEM uses tag_mem_range */ + +/* command line: \0 terminated string */ +#define ATAG_CMDLINE 0x54410003 + +struct tag_cmdline { + char cmdline[1]; /* this is the minimum size */ +}; + +/* Ramdisk image (may be compressed) */ +#define ATAG_RDIMG 0x54410004 +/* ATAG_RDIMG uses tag_mem_range */ + +/* Information about various clocks present in the system */ +#define ATAG_CLOCK 0x54410005 + +struct tag_clock { + u32 clock_id; /* Which clock are we talking about? */ + u32 clock_flags; /* Special features */ + u64 clock_hz; /* Clock speed in Hz */ +}; + +/* The clock types we know about */ +#define ACLOCK_BOOTCPU 0 /* The CPU we're booting from */ +#define ACLOCK_HSB 1 /* Deprecated */ + +/* Memory reserved for the system (e.g. the bootloader) */ +#define ATAG_RSVD_MEM 0x54410006 +/* ATAG_RSVD_MEM uses tag_mem_range */ + +/* Ethernet information */ + +#define ATAG_ETHERNET 0x54410007 + +struct tag_ethernet { + u8 mac_index; + u8 mii_phy_addr; + u8 hw_address[6]; +}; + +#define AETH_INVALID_PHY 0xff + +struct tag { + struct tag_header hdr; + union { + struct tag_core core; + struct tag_mem_range mem_range; + struct tag_cmdline cmdline; + struct tag_clock clock; + struct tag_ethernet ethernet; + } u; +}; + +struct tagtable { + u32 tag; + int (*parse)(struct tag *); +}; + +#define __tag __attribute_used__ __attribute__((__section__(".taglist"))) +#define __tagtable(tag, fn) \ + static struct tagtable __tagtable_##fn __tag = { tag, fn } + +#define tag_member_present(tag,member) \ + ((unsigned long)(&((struct tag *)0L)->member + 1) \ + <= (tag)->hdr.size * 4) + +#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size)) +#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) + +#define for_each_tag(t,base) \ + for (t = base; t->hdr.size; t = tag_next(t)) + +#endif /* !__ASSEMBLY__ */ + +#endif /* __ASM_AVR32_SETUP_H__ */ diff --git a/include/asm-avr32/string.h b/include/asm-avr32/string.h new file mode 100644 index 0000000000..8b05d1a031 --- /dev/null +++ b/include/asm-avr32/string.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_STRING_H +#define __ASM_AVR32_STRING_H + +#define __HAVE_ARCH_MEMSET +extern void *memset(void *s, int c, size_t n); + +#endif /* __ASM_AVR32_STRING_H */ diff --git a/include/asm-avr32/sysreg.h b/include/asm-avr32/sysreg.h new file mode 100644 index 0000000000..72ad49e5e2 --- /dev/null +++ b/include/asm-avr32/sysreg.h @@ -0,0 +1,279 @@ +/* + * System registers for AVR32 + */ +#ifndef __ASM_AVR32_SYSREG_H__ +#define __ASM_AVR32_SYSREG_H__ + +/* system register offsets */ +#define SYSREG_SR 0x0000 +#define SYSREG_EVBA 0x0004 +#define SYSREG_ACBA 0x0008 +#define SYSREG_CPUCR 0x000c +#define SYSREG_ECR 0x0010 +#define SYSREG_RSR_SUP 0x0014 +#define SYSREG_RSR_INT0 0x0018 +#define SYSREG_RSR_INT1 0x001c +#define SYSREG_RSR_INT2 0x0020 +#define SYSREG_RSR_INT3 0x0024 +#define SYSREG_RSR_EX 0x0028 +#define SYSREG_RSR_NMI 0x002c +#define SYSREG_RSR_DBG 0x0030 +#define SYSREG_RAR_SUP 0x0034 +#define SYSREG_RAR_INT0 0x0038 +#define SYSREG_RAR_INT1 0x003c +#define SYSREG_RAR_INT2 0x0040 +#define SYSREG_RAR_INT3 0x0044 +#define SYSREG_RAR_EX 0x0048 +#define SYSREG_RAR_NMI 0x004c +#define SYSREG_RAR_DBG 0x0050 +#define SYSREG_JECR 0x0054 +#define SYSREG_JOSP 0x0058 +#define SYSREG_JAVA_LV0 0x005c +#define SYSREG_JAVA_LV1 0x0060 +#define SYSREG_JAVA_LV2 0x0064 +#define SYSREG_JAVA_LV3 0x0068 +#define SYSREG_JAVA_LV4 0x006c +#define SYSREG_JAVA_LV5 0x0070 +#define SYSREG_JAVA_LV6 0x0074 +#define SYSREG_JAVA_LV7 0x0078 +#define SYSREG_JTBA 0x007c +#define SYSREG_JBCR 0x0080 +#define SYSREG_CONFIG0 0x0100 +#define SYSREG_CONFIG1 0x0104 +#define SYSREG_COUNT 0x0108 +#define SYSREG_COMPARE 0x010c +#define SYSREG_TLBEHI 0x0110 +#define SYSREG_TLBELO 0x0114 +#define SYSREG_PTBR 0x0118 +#define SYSREG_TLBEAR 0x011c +#define SYSREG_MMUCR 0x0120 +#define SYSREG_TLBARLO 0x0124 +#define SYSREG_TLBARHI 0x0128 +#define SYSREG_PCCNT 0x012c +#define SYSREG_PCNT0 0x0130 +#define SYSREG_PCNT1 0x0134 +#define SYSREG_PCCR 0x0138 +#define SYSREG_BEAR 0x013c +#define SYSREG_SABAL 0x0300 +#define SYSREG_SABAH 0x0304 +#define SYSREG_SABD 0x0308 + +/* Bitfields in SR */ +#define SYSREG_SR_C_OFFSET 0 +#define SYSREG_SR_C_SIZE 1 +#define SYSREG_Z_OFFSET 1 +#define SYSREG_Z_SIZE 1 +#define SYSREG_SR_N_OFFSET 2 +#define SYSREG_SR_N_SIZE 1 +#define SYSREG_SR_V_OFFSET 3 +#define SYSREG_SR_V_SIZE 1 +#define SYSREG_Q_OFFSET 4 +#define SYSREG_Q_SIZE 1 +#define SYSREG_L_OFFSET 5 +#define SYSREG_L_SIZE 1 +#define SYSREG_T_OFFSET 14 +#define SYSREG_T_SIZE 1 +#define SYSREG_SR_R_OFFSET 15 +#define SYSREG_SR_R_SIZE 1 +#define SYSREG_GM_OFFSET 16 +#define SYSREG_GM_SIZE 1 +#define SYSREG_I0M_OFFSET 17 +#define SYSREG_I0M_SIZE 1 +#define SYSREG_I1M_OFFSET 18 +#define SYSREG_I1M_SIZE 1 +#define SYSREG_I2M_OFFSET 19 +#define SYSREG_I2M_SIZE 1 +#define SYSREG_I3M_OFFSET 20 +#define SYSREG_I3M_SIZE 1 +#define SYSREG_EM_OFFSET 21 +#define SYSREG_EM_SIZE 1 +#define SYSREG_M0_OFFSET 22 +#define SYSREG_M0_SIZE 1 +#define SYSREG_M1_OFFSET 23 +#define SYSREG_M1_SIZE 1 +#define SYSREG_M2_OFFSET 24 +#define SYSREG_M2_SIZE 1 +#define SYSREG_SR_D_OFFSET 26 +#define SYSREG_SR_D_SIZE 1 +#define SYSREG_DM_OFFSET 27 +#define SYSREG_DM_SIZE 1 +#define SYSREG_SR_J_OFFSET 28 +#define SYSREG_SR_J_SIZE 1 +#define SYSREG_H_OFFSET 29 +#define SYSREG_H_SIZE 1 + +/* Bitfields in CPUCR */ +#define SYSREG_BI_OFFSET 0 +#define SYSREG_BI_SIZE 1 +#define SYSREG_BE_OFFSET 1 +#define SYSREG_BE_SIZE 1 +#define SYSREG_FE_OFFSET 2 +#define SYSREG_FE_SIZE 1 +#define SYSREG_RE_OFFSET 3 +#define SYSREG_RE_SIZE 1 +#define SYSREG_IBE_OFFSET 4 +#define SYSREG_IBE_SIZE 1 +#define SYSREG_IEE_OFFSET 5 +#define SYSREG_IEE_SIZE 1 + +/* Bitfields in ECR */ +#define SYSREG_ECR_OFFSET 0 +#define SYSREG_ECR_SIZE 32 + +/* Bitfields in CONFIG0 */ +#define SYSREG_CONFIG0_R_OFFSET 0 +#define SYSREG_CONFIG0_R_SIZE 1 +#define SYSREG_CONFIG0_D_OFFSET 1 +#define SYSREG_CONFIG0_D_SIZE 1 +#define SYSREG_CONFIG0_S_OFFSET 2 +#define SYSREG_CONFIG0_S_SIZE 1 +#define SYSREG_O_OFFSET 3 +#define SYSREG_O_SIZE 1 +#define SYSREG_P_OFFSET 4 +#define SYSREG_P_SIZE 1 +#define SYSREG_CONFIG0_J_OFFSET 5 +#define SYSREG_CONFIG0_J_SIZE 1 +#define SYSREG_F_OFFSET 6 +#define SYSREG_F_SIZE 1 +#define SYSREG_MMUT_OFFSET 7 +#define SYSREG_MMUT_SIZE 3 +#define SYSREG_AR_OFFSET 10 +#define SYSREG_AR_SIZE 3 +#define SYSREG_AT_OFFSET 13 +#define SYSREG_AT_SIZE 3 +#define SYSREG_PROCESSORREVISION_OFFSET 16 +#define SYSREG_PROCESSORREVISION_SIZE 8 +#define SYSREG_PROCESSORID_OFFSET 24 +#define SYSREG_PROCESSORID_SIZE 8 + +/* Bitfields in CONFIG1 */ +#define SYSREG_DASS_OFFSET 0 +#define SYSREG_DASS_SIZE 3 +#define SYSREG_DLSZ_OFFSET 3 +#define SYSREG_DLSZ_SIZE 3 +#define SYSREG_DSET_OFFSET 6 +#define SYSREG_DSET_SIZE 4 +#define SYSREG_IASS_OFFSET 10 +#define SYSREG_IASS_SIZE 3 +#define SYSREG_ILSZ_OFFSET 13 +#define SYSREG_ILSZ_SIZE 3 +#define SYSREG_ISET_OFFSET 16 +#define SYSREG_ISET_SIZE 4 +#define SYSREG_DMMUSZ_OFFSET 20 +#define SYSREG_DMMUSZ_SIZE 6 +#define SYSREG_IMMUSZ_OFFSET 26 +#define SYSREG_IMMUSZ_SIZE 6 + +/* Bitfields in TLBEHI */ +#define SYSREG_ASID_OFFSET 0 +#define SYSREG_ASID_SIZE 8 +#define SYSREG_TLBEHI_I_OFFSET 8 +#define SYSREG_TLBEHI_I_SIZE 1 +#define SYSREG_TLBEHI_V_OFFSET 9 +#define SYSREG_TLBEHI_V_SIZE 1 +#define SYSREG_VPN_OFFSET 10 +#define SYSREG_VPN_SIZE 22 + +/* Bitfields in TLBELO */ +#define SYSREG_W_OFFSET 0 +#define SYSREG_W_SIZE 1 +#define SYSREG_TLBELO_D_OFFSET 1 +#define SYSREG_TLBELO_D_SIZE 1 +#define SYSREG_SZ_OFFSET 2 +#define SYSREG_SZ_SIZE 2 +#define SYSREG_AP_OFFSET 4 +#define SYSREG_AP_SIZE 3 +#define SYSREG_B_OFFSET 7 +#define SYSREG_B_SIZE 1 +#define SYSREG_G_OFFSET 8 +#define SYSREG_G_SIZE 1 +#define SYSREG_TLBELO_C_OFFSET 9 +#define SYSREG_TLBELO_C_SIZE 1 +#define SYSREG_PFN_OFFSET 10 +#define SYSREG_PFN_SIZE 22 + +/* Bitfields in MMUCR */ +#define SYSREG_E_OFFSET 0 +#define SYSREG_E_SIZE 1 +#define SYSREG_M_OFFSET 1 +#define SYSREG_M_SIZE 1 +#define SYSREG_MMUCR_I_OFFSET 2 +#define SYSREG_MMUCR_I_SIZE 1 +#define SYSREG_MMUCR_N_OFFSET 3 +#define SYSREG_MMUCR_N_SIZE 1 +#define SYSREG_MMUCR_S_OFFSET 4 +#define SYSREG_MMUCR_S_SIZE 1 +#define SYSREG_DLA_OFFSET 8 +#define SYSREG_DLA_SIZE 6 +#define SYSREG_DRP_OFFSET 14 +#define SYSREG_DRP_SIZE 6 +#define SYSREG_ILA_OFFSET 20 +#define SYSREG_ILA_SIZE 6 +#define SYSREG_IRP_OFFSET 26 +#define SYSREG_IRP_SIZE 6 + +/* Bitfields in PCCR */ +#define SYSREG_PCCR_R_OFFSET 1 +#define SYSREG_PCCR_R_SIZE 1 +#define SYSREG_PCCR_C_OFFSET 2 +#define SYSREG_PCCR_C_SIZE 1 +#define SYSREG_PCCR_S_OFFSET 3 +#define SYSREG_PCCR_S_SIZE 1 +#define SYSREG_IEC_OFFSET 4 +#define SYSREG_IEC_SIZE 1 +#define SYSREG_IE0_OFFSET 5 +#define SYSREG_IE0_SIZE 1 +#define SYSREG_IE1_OFFSET 6 +#define SYSREG_IE1_SIZE 1 +#define SYSREG_FC_OFFSET 8 +#define SYSREG_FC_SIZE 1 +#define SYSREG_F0_OFFSET 9 +#define SYSREG_F0_SIZE 1 +#define SYSREG_F1_OFFSET 10 +#define SYSREG_F1_SIZE 1 +#define SYSREG_CONF0_OFFSET 12 +#define SYSREG_CONF0_SIZE 6 +#define SYSREG_CONF1_OFFSET 18 +#define SYSREG_CONF1_SIZE 6 + +/* Constants for ECR */ +#define ECR_UNRECOVERABLE 0 +#define ECR_TLB_MULTIPLE 1 +#define ECR_BUS_ERROR_WRITE 2 +#define ECR_BUS_ERROR_READ 3 +#define ECR_NMI 4 +#define ECR_ADDR_ALIGN_X 5 +#define ECR_PROTECTION_X 6 +#define ECR_DEBUG 7 +#define ECR_ILLEGAL_OPCODE 8 +#define ECR_UNIMPL_INSTRUCTION 9 +#define ECR_PRIVILEGE_VIOLATION 10 +#define ECR_FPE 11 +#define ECR_COPROC_ABSENT 12 +#define ECR_ADDR_ALIGN_R 13 +#define ECR_ADDR_ALIGN_W 14 +#define ECR_PROTECTION_R 15 +#define ECR_PROTECTION_W 16 +#define ECR_DTLB_MODIFIED 17 +#define ECR_TLB_MISS_X 20 +#define ECR_TLB_MISS_R 24 +#define ECR_TLB_MISS_W 28 + +/* Bit manipulation macros */ +#define SYSREG_BIT(name) (1 << SYSREG_##name##_OFFSET) +#define SYSREG_BF(name,value) \ + (((value) & ((1 << SYSREG_##name##_SIZE) - 1)) \ + << SYSREG_##name##_OFFSET) +#define SYSREG_BFEXT(name,value) \ + (((value) >> SYSREG_##name##_OFFSET) \ + & ((1 << SYSREG_##name##_SIZE) - 1)) +#define SYSREG_BFINS(name,value,old) \ + (((old) & ~(((1 << SYSREG_##name##_SIZE) - 1) \ + << SYSREG_##name##_OFFSET)) \ + | SYSREG_BF(name,value)) + +/* Register access macros */ +#define sysreg_read(reg) __builtin_mfsr(SYSREG_##reg) +#define sysreg_write(reg, value) __builtin_mtsr(SYSREG_##reg, value) + +#endif /* __ASM_AVR32_SYSREG_H__ */ diff --git a/include/asm-avr32/types.h b/include/asm-avr32/types.h new file mode 100644 index 0000000000..e6c65d9179 --- /dev/null +++ b/include/asm-avr32/types.h @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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_AVR32_TYPES_H +#define __ASM_AVR32_TYPES_H + +#ifndef __ASSEMBLY__ + +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__) && !defined(__STRICT_ANSI__) +typedef __signed__ long long __s64; +typedef unsigned long long __u64; +#endif + +#endif /* __ASSEMBLY__ */ + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ + +#define BITS_PER_LONG 32 + +#ifndef __ASSEMBLY__ + +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; + +/* Dma addresses are 32-bits wide. */ + +typedef u32 dma_addr_t; + +#ifdef CONFIG_LBD +typedef u64 sector_t; +#define HAVE_SECTOR_T +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* __KERNEL__ */ + + +#endif /* __ASM_AVR32_TYPES_H */ diff --git a/include/asm-avr32/u-boot.h b/include/asm-avr32/u-boot.h new file mode 100644 index 0000000000..71dfcaf284 --- /dev/null +++ b/include/asm-avr32/u-boot.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * 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_U_BOOT_H__ +#define __ASM_U_BOOT_H__ 1 + +typedef struct bd_info { + unsigned long bi_baudrate; + unsigned long bi_ip_addr; + unsigned char bi_enetaddr[6]; + unsigned char bi_phy_id[4]; + struct environment_s *bi_env; + unsigned long bi_board_number; + void *bi_boot_params; + struct { + unsigned long start; + unsigned long size; + } bi_dram[CONFIG_NR_DRAM_BANKS]; + unsigned long bi_flashstart; + unsigned long bi_flashsize; + unsigned long bi_flashoffset; +} bd_t; + +#define bi_memstart bi_dram[0].start +#define bi_memsize bi_dram[0].size + +/** + * container_of - cast a member of a structure out to the containing structure + * + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + */ +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + +#endif /* __ASM_U_BOOT_H__ */ diff --git a/lib_avr32/Makefile b/lib_avr32/Makefile new file mode 100644 index 0000000000..5b6300ba78 --- /dev/null +++ b/lib_avr32/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2002-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2004-2006 Atmel Corporation +# +# 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).a + +SOBJS = memset.o + +COBJS = board.o interrupts.o avr32_linux.o div64.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/lib_avr32/avr32_linux.c b/lib_avr32/avr32_linux.c new file mode 100644 index 0000000000..d128dfb53f --- /dev/null +++ b/lib_avr32/avr32_linux.c @@ -0,0 +1,315 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * 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 <zlib.h> +#include <asm/byteorder.h> +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/setup.h> +#include <asm/arch/platform.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +/* CPU-specific hook to allow flushing of caches, etc. */ +extern void prepare_to_boot(void); + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +extern image_header_t header; /* from cmd_bootm.c */ + +static struct tag *setup_start_tag(struct tag *params) +{ + params->hdr.tag = ATAG_CORE; + params->hdr.size = tag_size(tag_core); + + params->u.core.flags = 0; + params->u.core.pagesize = 4096; + params->u.core.rootdev = 0; + + return tag_next(params); +} + +static struct tag *setup_memory_tags(struct tag *params) +{ + bd_t *bd = gd->bd; + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + params->hdr.tag = ATAG_MEM; + params->hdr.size = tag_size(tag_mem_range); + + params->u.mem_range.addr = bd->bi_dram[i].start; + params->u.mem_range.size = bd->bi_dram[i].size; + + params = tag_next(params); + } + + return params; +} + +static struct tag *setup_commandline_tag(struct tag *params, char *cmdline) +{ + if (!cmdline) + return params; + + /* eat leading white space */ + while (*cmdline == ' ') cmdline++; + + /* + * Don't include tags for empty command lines; let the kernel + * use its default command line. + */ + if (*cmdline == '\0') + return params; + + params->hdr.tag = ATAG_CMDLINE; + params->hdr.size = + (sizeof (struct tag_header) + strlen(cmdline) + 1 + 3) >> 2; + strcpy(params->u.cmdline.cmdline, cmdline); + + return tag_next(params); +} + +static struct tag *setup_ramdisk_tag(struct tag *params, + unsigned long rd_start, + unsigned long rd_end) +{ + if (rd_start == rd_end) + return params; + + params->hdr.tag = ATAG_RDIMG; + params->hdr.size = tag_size(tag_mem_range); + + params->u.mem_range.addr = rd_start; + params->u.mem_range.size = rd_end - rd_start; + + return tag_next(params); +} + +static struct tag *setup_clock_tags(struct tag *params) +{ + params->hdr.tag = ATAG_CLOCK; + params->hdr.size = tag_size(tag_clock); + params->u.clock.clock_id = ACLOCK_BOOTCPU; + params->u.clock.clock_flags = 0; + params->u.clock.clock_hz = gd->cpu_hz; + +#ifdef CONFIG_AT32AP7000 + /* + * New kernels don't need this, but we should be backwards + * compatible for a while... + */ + params = tag_next(params); + + params->hdr.tag = ATAG_CLOCK; + params->hdr.size = tag_size(tag_clock); + params->u.clock.clock_id = ACLOCK_HSB; + params->u.clock.clock_flags = 0; + params->u.clock.clock_hz = pm_get_clock_freq(CLOCK_HSB); +#endif + + return tag_next(params); +} + +static struct tag *setup_ethernet_tag(struct tag *params, + char *addr, int index) +{ + char *s, *e; + int i; + + params->hdr.tag = ATAG_ETHERNET; + params->hdr.size = tag_size(tag_ethernet); + + params->u.ethernet.mac_index = index; + params->u.ethernet.mii_phy_addr = gd->bd->bi_phy_id[index]; + + s = addr; + for (i = 0; i < 6; i++) { + params->u.ethernet.hw_address[i] = simple_strtoul(s, &e, 16); + s = e + 1; + } + + return tag_next(params); +} + +static struct tag *setup_ethernet_tags(struct tag *params) +{ + char name[16] = "ethaddr"; + char *addr; + int i = 0; + + do { + addr = getenv(name); + if (addr) + params = setup_ethernet_tag(params, addr, i); + sprintf(name, "eth%daddr", ++i); + } while (i < 4); + + return params; +} + +static void setup_end_tag(struct tag *params) +{ + params->hdr.tag = ATAG_NONE; + params->hdr.size = 0; +} + +void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], + unsigned long addr, unsigned long *len_ptr, int verify) +{ + unsigned long data, len = 0; + unsigned long initrd_start, initrd_end; + unsigned long image_start, image_end; + unsigned long checksum; + void (*theKernel)(int magic, void *tagtable); + image_header_t *hdr; + struct tag *params, *params_start; + char *commandline = getenv("bootargs"); + + hdr = (image_header_t *)addr; + image_start = addr; + image_end = addr + hdr->ih_size; + + theKernel = (void *)ntohl(hdr->ih_ep); + + /* + * Check if there is an initrd image + */ + if (argc >= 3) { + SHOW_BOOT_PROGRESS(9); + + addr = simple_strtoul(argv[2], NULL, 16); + + printf("## Loading RAMDISK image at %08lx ...\n", addr); + + memcpy(&header, (char *)addr, sizeof(header)); + hdr = &header; + + if (ntohl(hdr->ih_magic) != IH_MAGIC) { + puts("Bad Magic Number\n"); + SHOW_BOOT_PROGRESS(-10); + do_reset(cmdtp, flag, argc, argv); + } + + data = (unsigned long)hdr; + len = sizeof(*hdr); + checksum = ntohl(hdr->ih_hcrc); + hdr->ih_hcrc = 0; + + if (crc32(0, (unsigned char *)data, len) != checksum) { + puts("Bad Header Checksum\n"); + SHOW_BOOT_PROGRESS(-11); + do_reset(cmdtp, flag, argc, argv); + } + + SHOW_BOOT_PROGRESS(10); + + print_image_hdr(hdr); + + data = addr + sizeof(header); + len = ntohl(hdr->ih_size); + + if (verify) { + unsigned long csum = 0; + + puts(" Verifying Checksum ... "); + csum = crc32(0, (unsigned char *)data, len); + if (csum != ntohl(hdr->ih_dcrc)) { + puts("Bad Data CRC\n"); + SHOW_BOOT_PROGRESS(-12); + do_reset(cmdtp, flag, argc, argv); + } + puts("OK\n"); + } + + SHOW_BOOT_PROGRESS(11); + + if ((hdr->ih_os != IH_OS_LINUX) || + (hdr->ih_arch != IH_CPU_AVR32) || + (hdr->ih_type != IH_TYPE_RAMDISK)) { + puts("Not a Linux/AVR32 RAMDISK image\n"); + SHOW_BOOT_PROGRESS(-13); + do_reset(cmdtp, flag, argc, argv); + } + } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) { + ulong tail = ntohl (len_ptr[0]) % 4; + int i; + + SHOW_BOOT_PROGRESS (13); + + /* skip kernel length and terminator */ + data = (ulong) (&len_ptr[2]); + /* skip any additional image length fields */ + for (i = 1; len_ptr[i]; ++i) + data += 4; + /* add kernel length, and align */ + data += ntohl (len_ptr[0]); + if (tail) { + data += 4 - tail; + } + + len = ntohl (len_ptr[1]); + } else { + /* no initrd image */ + SHOW_BOOT_PROGRESS(14); + len = data = 0; + } + + if (data) { + initrd_start = data; + initrd_end = initrd_start + len; + } else { + initrd_start = 0; + initrd_end = 0; + } + + SHOW_BOOT_PROGRESS(15); + + params = params_start = (struct tag *)gd->bd->bi_boot_params; + params = setup_start_tag(params); + params = setup_memory_tags(params); + if (initrd_start) { + params = setup_ramdisk_tag(params, + PHYSADDR(initrd_start), + PHYSADDR(initrd_end)); + } + params = setup_commandline_tag(params, commandline); + params = setup_clock_tags(params); + params = setup_ethernet_tags(params); + setup_end_tag(params); + + printf("\nStarting kernel at %p (params at %p)...\n\n", + theKernel, params_start); + + prepare_to_boot(); + + theKernel(ATAG_MAGIC, params_start); +} diff --git a/lib_avr32/board.c b/lib_avr32/board.c new file mode 100644 index 0000000000..02c106b80e --- /dev/null +++ b/lib_avr32/board.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * 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 <malloc.h> +#include <devices.h> +#include <version.h> +#include <net.h> + +#include <asm/initcalls.h> +#include <asm/sections.h> + +#ifndef CONFIG_IDENT_STRING +#define CONFIG_IDENT_STRING "" +#endif + +DECLARE_GLOBAL_DATA_PTR; + +const char version_string[] = + U_BOOT_VERSION " (" __DATE__ " - " __TIME__ ") " CONFIG_IDENT_STRING; + +unsigned long monitor_flash_len; + +/* + * Begin and end of memory area for malloc(), and current "brk" + */ +static unsigned long mem_malloc_start = 0; +static unsigned long mem_malloc_end = 0; +static unsigned long mem_malloc_brk = 0; + +/* The malloc area is wherever the board wants it to be */ +static void mem_malloc_init(void) +{ + mem_malloc_start = CFG_MALLOC_START; + mem_malloc_end = CFG_MALLOC_END; + mem_malloc_brk = mem_malloc_start; + + printf("malloc: Using memory from 0x%08lx to 0x%08lx\n", + mem_malloc_start, mem_malloc_end); + + memset ((void *)mem_malloc_start, 0, + mem_malloc_end - mem_malloc_start); +} + +void *sbrk(ptrdiff_t increment) +{ + unsigned long old = mem_malloc_brk; + unsigned long new = old + increment; + + if ((new < mem_malloc_start) || (new > mem_malloc_end)) + return NULL; + + mem_malloc_brk = new; + return ((void *)old); +} + +static int init_baudrate(void) +{ + char tmp[64]; + int i; + + i = getenv_r("baudrate", tmp, sizeof(tmp)); + if (i > 0) { + gd->baudrate = simple_strtoul(tmp, NULL, 10); + } else { + gd->baudrate = CONFIG_BAUDRATE; + } + return 0; +} + + +static int display_banner (void) +{ + printf ("\n\n%s\n\n", version_string); + printf ("U-Boot code: %p -> %p data: %p -> %p\n", + _text, _etext, _data, _end); + return 0; +} + +void hang(void) +{ + for (;;) ; +} + +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 (void) +{ + puts ("Flash: "); + print_size(gd->bd->bi_flashsize, " "); + printf("at address 0x%08lx\n", gd->bd->bi_flashstart); +} + +void start_u_boot (void) +{ + gd_t gd_data; + + /* Initialize the global data pointer */ + memset(&gd_data, 0, sizeof(gd_data)); + gd = &gd_data; + + monitor_flash_len = _edata - _text; + + /* Perform initialization sequence */ + cpu_init(); + timer_init(); + env_init(); + init_baudrate(); + serial_init(); + console_init_f(); + display_banner(); + + board_init_memories(); + mem_malloc_init(); + + gd->bd = malloc(sizeof(bd_t)); + memset(gd->bd, 0, sizeof(bd_t)); + gd->bd->bi_baudrate = gd->baudrate; + gd->bd->bi_dram[0].start = CFG_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->sdram_size; + + board_init_info(); + flash_init(); + + if (gd->bd->bi_flashsize) + display_flash_config(); + if (gd->bd->bi_dram[0].size) + display_dram_config(); + + gd->bd->bi_boot_params = malloc(CFG_BOOTPARAMS_LEN); + if (!gd->bd->bi_boot_params) + puts("WARNING: Cannot allocate space for boot parameters\n"); + + /* initialize environment */ + env_relocate(); + + devices_init(); + jumptable_init(); + console_init_r(); + + for (;;) { + main_loop(); + } +} diff --git a/lib_avr32/div64.c b/lib_avr32/div64.c new file mode 100644 index 0000000000..99726e325d --- /dev/null +++ b/lib_avr32/div64.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2003 Bernardo Innocenti <bernie@develer.com> + * + * Based on former do_div() implementation from asm-parisc/div64.h: + * Copyright (C) 1999 Hewlett-Packard Co + * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com> + * + * + * Generic C version of 64bit/32bit division and modulo, with + * 64bit result and 32bit remainder. + * + * The fast case for (n>>32 == 0) is handled inline by do_div(). + * + * Code generated for this function might be very inefficient + * for some CPUs. __div64_32() can be overridden by linking arch-specific + * assembly versions such as arch/ppc/lib/div64.S and arch/sh/lib/div64.S. + */ + +#include <linux/types.h> + +#include <asm/div64.h> + +uint32_t __div64_32(uint64_t *n, uint32_t base) +{ + uint64_t rem = *n; + uint64_t b = base; + uint64_t res, d = 1; + uint32_t high = rem >> 32; + + /* Reduce the thing a bit first */ + res = 0; + if (high >= base) { + high /= base; + res = (uint64_t) high << 32; + rem -= (uint64_t) (high*base) << 32; + } + + while ((int64_t)b > 0 && b < rem) { + b = b+b; + d = d+d; + } + + do { + if (rem >= b) { + rem -= b; + res += d; + } + b >>= 1; + d >>= 1; + } while (d); + + *n = res; + return rem; +} diff --git a/lib_avr32/interrupts.c b/lib_avr32/interrupts.c new file mode 100644 index 0000000000..ce538f3d92 --- /dev/null +++ b/lib_avr32/interrupts.c @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * 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/sysreg.h> + +void enable_interrupts(void) +{ + asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET)); +} + +int disable_interrupts(void) +{ + unsigned long sr; + + sr = sysreg_read(SR); + asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET)); + + return SYSREG_BFEXT(GM, sr); +} diff --git a/lib_avr32/memset.S b/lib_avr32/memset.S new file mode 100644 index 0000000000..dc3b09b42f --- /dev/null +++ b/lib_avr32/memset.S @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2004-2006 Atmel Corporation + * + * 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 + */ + + /* + * r12: void *b + * r11: int c + * r10: size_t len + * + * Returns b in r12 + */ + .text + + .global memset + .type memset, @function + .align 2 +memset: + mov r9, r12 + mov r8, r12 + or r11, r11, r11 << 8 + andl r9, 3, COH + brne 1f + +2: or r11, r11, r11 << 16 + sub r10, 4 + brlt 5f + + /* Let's do some real work */ +4: st.w r8++, r11 + sub r10, 4 + brge 4b + + /* + * When we get here, we've got less than 4 bytes to set. r10 + * might be negative. + */ +5: sub r10, -4 + reteq r12 + + /* Fastpath ends here, exactly 32 bytes from memset */ + + /* Handle unaligned count or pointer */ + bld r10, 1 + brcc 6f + st.b r8++, r11 + st.b r8++, r11 + bld r10, 0 + retcc r12 +6: st.b r8++, r11 + mov pc, lr + + /* Handle unaligned pointer */ +1: sub r10, 4 + brlt 5b + add r10, r9 + lsl r9, 1 + add pc, r9 + st.b r8++, r11 + st.b r8++, r11 + st.b r8++, r11 + rjmp 2b + + .size memset, . - memset |
