diff options
Diffstat (limited to 'board/rsdproto')
| -rw-r--r-- | board/rsdproto/flash_asm.S | 39 | ||||
| -rw-r--r-- | board/rsdproto/u-boot.lds | 122 |
2 files changed, 161 insertions, 0 deletions
diff --git a/board/rsdproto/flash_asm.S b/board/rsdproto/flash_asm.S new file mode 100644 index 0000000..c65fb87 --- /dev/null +++ b/board/rsdproto/flash_asm.S @@ -0,0 +1,39 @@ +/* + * -*- mode:c -*- + * + * (C) Copyright 2000 + * Marius Groeger <mgroeger@sysgo.de> + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * + * void ull_write(unsigned long long volatile *address, + * unsigned long long volatile *data) + * r3 = address + * r4 = data + * + * void ull_read(unsigned long long volatile *address, + * unsigned long long volatile *data) + * r3 = address + * r4 = data + * + * Uses the floating point unit to read and write 64 bit wide + * data (unsigned long long) on the 60x bus. This is necessary + * because all 4 flash chips use the /WE line from byte lane 0 + * + * IMPORTANT: data should always be 8-aligned, otherwise an exception will + * occur. + */ + +#include <ppc_asm.tmpl> +#include <ppc_defs.h> + +.globl ull_write +ull_write: + lfd 0,0(r4) + stfd 0,0(r3) + blr + + .globl ull_read +ull_read: + lfd 0, 0(r3) + stfd 0, 0(r4) + blr diff --git a/board/rsdproto/u-boot.lds b/board/rsdproto/u-boot.lds new file mode 100644 index 0000000..7425be6 --- /dev/null +++ b/board/rsdproto/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2000 + * 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 + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc8260/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + /*. = env_offset; */ + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} + |