diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/sequoia/init.S | 7 | ||||
| -rw-r--r-- | board/amcc/sequoia/sdram.c | 3 | ||||
| -rw-r--r-- | board/amcc/sequoia/sequoia.c | 10 | ||||
| -rw-r--r-- | board/amcc/sequoia/u-boot-ram.lds | 126 |
4 files changed, 143 insertions, 3 deletions
diff --git a/board/amcc/sequoia/init.S b/board/amcc/sequoia/init.S index 4452d26..3c0e400 100644 --- a/board/amcc/sequoia/init.S +++ b/board/amcc/sequoia/init.S @@ -43,12 +43,19 @@ tlbtab: /* vxWorks needs this as first entry for the Machine Check interrupt */ tlbentry( 0x40000000, SZ_256M, 0, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + /* + * The RAM-boot version skips the SDRAM TLB (identified by EPN=0). This + * entry is already configured for SDRAM via the JTAG debugger and mustn't + * be re-initialized by this RAM-booting U-Boot version. + */ +#ifndef CONFIG_SYS_RAMBOOT /* TLB-entry for DDR SDRAM (Up to 2GB) */ #ifdef CONFIG_4xx_DCACHE tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G) #else tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) #endif +#endif /* CONFIG_SYS_RAMBOOT */ /* TLB-entry for EBC */ tlbentry( CONFIG_SYS_BCSR_BASE, SZ_256M, CONFIG_SYS_BCSR_BASE, 1, AC_R|AC_W|AC_X|SA_G|SA_I ) diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c index 6df4c6d..bde471c 100644 --- a/board/amcc/sequoia/sdram.c +++ b/board/amcc/sequoia/sdram.c @@ -54,7 +54,8 @@ extern void denali_core_search_data_eye(void); ************************************************************************/ phys_size_t initdram (int board_type) { -#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT)) || \ + defined(CONFIG_NAND_SPL) ulong speed = get_bus_freq(0); mtsdram(DDR0_02, 0x00000000); diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index e824b8f..246ad94 100644 --- a/board/amcc/sequoia/sequoia.c +++ b/board/amcc/sequoia/sequoia.c @@ -33,7 +33,9 @@ DECLARE_GLOBAL_DATA_PTR; +#if !defined(CONFIG_SYS_NO_FLASH) extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ +#endif extern void __ft_board_setup(void *blob, bd_t *bd); ulong flash_get_size(ulong base, int banknum); @@ -122,16 +124,19 @@ int board_early_init_f(void) int misc_init_r(void) { +#if !defined(CONFIG_SYS_NO_FLASH) uint pbcr; int size_val = 0; - u32 reg; +#endif #ifdef CONFIG_440EPX unsigned long usb2d0cr = 0; unsigned long usb2phy0cr, usb2h0cr = 0; unsigned long sdr0_pfc1; char *act = getenv("usbact"); #endif + u32 reg; +#if !defined(CONFIG_SYS_NO_FLASH) /* Re-do flash sizing to get full correct info */ /* adjust flash start and offset */ @@ -171,6 +176,7 @@ int misc_init_r(void) CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1, &flash_info[0]); #endif +#endif /* CONFIG_SYS_NO_FLASH */ /* * USB suff... @@ -515,7 +521,7 @@ int post_hotkeys_pressed(void) } #endif /* CONFIG_POST */ -#if defined(CONFIG_NAND_U_BOOT) +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT) /* * On NAND-booting sequoia, we need to patch the chips select numbers * in the dtb (CS0 - NAND, CS3 - NOR) diff --git a/board/amcc/sequoia/u-boot-ram.lds b/board/amcc/sequoia/u-boot-ram.lds new file mode 100644 index 0000000..9393b65 --- /dev/null +++ b/board/amcc/sequoia/u-boot-ram.lds @@ -0,0 +1,126 @@ +/* + * (C) Copyright 2009 + * Stefan Roese, DENX Software Engineering, sr@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) +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/ppc4xx/start.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _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 = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + } + + _end = . ; + PROVIDE (end = .); +} |