diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/cpu/mpc83xx/start.S | 8 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init.c | 2 | ||||
-rw-r--r-- | arch/powerpc/lib/board.c | 11 | ||||
-rw-r--r-- | arch/sh/cpu/sh2/start.S | 8 | ||||
-rw-r--r-- | arch/sh/cpu/sh3/start.S | 8 | ||||
-rw-r--r-- | arch/sh/cpu/sh4/start.S | 10 |
6 files changed, 33 insertions, 14 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S index 515be4c..460ac9a 100644 --- a/arch/powerpc/cpu/mpc83xx/start.S +++ b/arch/powerpc/cpu/mpc83xx/start.S @@ -1158,6 +1158,10 @@ map_flash_by_law1: bne 1b stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */ + /* Wait for HW to catch up */ + lwz r4, LBLAWAR1(r3) + twi 0,r4,0 + isync blr /* Though all the LBIU Local Access Windows and LBC Banks will be @@ -1196,5 +1200,9 @@ remap_flash_by_law0: xor r4, r4, r4 stw r4, LBLAWBAR1(r3) stw r4, LBLAWAR1(r3) /* Off LBIU LAW1 */ + /* Wait for HW to catch up */ + lwz r4, LBLAWAR1(r3) + twi 0,r4,0 + isync blr #endif /* CONFIG_SYS_FLASHBOOT */ diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index 27236a0..4b8faa5 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -327,7 +327,7 @@ int cpu_init_r(void) if (l2cache->l2ctl & MPC85xx_L2CTL_L2E) { puts("already enabled"); l2srbar = l2cache->l2srbar0; -#ifdef CONFIG_SYS_INIT_L2_ADDR +#if defined(CONFIG_SYS_INIT_L2_ADDR) && defined(CONFIG_SYS_FLASH_BASE) if (l2cache->l2ctl & MPC85xx_L2CTL_L2SRAM_ENTIRE && l2srbar >= CONFIG_SYS_FLASH_BASE) { l2srbar = CONFIG_SYS_INIT_L2_ADDR; diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index b21c1d6..9759e23 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -645,6 +645,17 @@ void board_init_r (gd_t *id, ulong dest_addr) gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; #endif +#ifdef CONFIG_SYS_EXTRA_ENV_RELOC + /* + * Some systems need to relocate the env_addr pointer early because the + * location it points to will get invalidated before env_relocate is + * called. One example is on systems that might use a L2 or L3 cache + * in SRAM mode and initialize that cache from SRAM mode back to being + * a cache in cpu_init_r. + */ + gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE; +#endif + #ifdef CONFIG_SERIAL_MULTI serial_initialize(); #endif diff --git a/arch/sh/cpu/sh2/start.S b/arch/sh/cpu/sh2/start.S index 77043f6..8e0e640 100644 --- a/arch/sh/cpu/sh2/start.S +++ b/arch/sh/cpu/sh2/start.S @@ -26,7 +26,7 @@ .align 2 .global _start -_start: +_sh_start: .long 0x00000010 /* Ppower ON reset PC*/ .long 0x00000000 .long 0x00000010 /* Manual reset PC */ @@ -39,7 +39,7 @@ _init: nop 1: sts pr, r5 mov.l ._reloc_dst, r4 - add #(_start-1b), r5 + add #(_sh_start-1b), r5 mov.l ._reloc_dst_end, r6 2: mov.l @r5+, r1 @@ -74,6 +74,6 @@ loop: ._reloc_dst_end: .long reloc_dst_end ._bss_start: .long bss_start ._bss_end: .long bss_end -._gd_init: .long (_start - GENERATED_GBL_DATA_SIZE) -._stack_init: .long (_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) +._gd_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE) +._stack_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) ._sh_generic_init: .long sh_generic_init diff --git a/arch/sh/cpu/sh3/start.S b/arch/sh/cpu/sh3/start.S index 9dd2303..d96ca91 100644 --- a/arch/sh/cpu/sh3/start.S +++ b/arch/sh/cpu/sh3/start.S @@ -29,7 +29,7 @@ .align 2 .global _start -_start: +_sh_start: mov.l ._lowlevel_init, r0 100: bsrf r0 nop @@ -38,7 +38,7 @@ _start: nop 1: sts pr, r5 mov.l ._reloc_dst, r4 - add #(_start-1b), r5 + add #(_sh_start-1b), r5 mov.l ._reloc_dst_end, r6 2: mov.l @r5+, r1 @@ -73,6 +73,6 @@ loop: ._reloc_dst_end: .long reloc_dst_end ._bss_start: .long bss_start ._bss_end: .long bss_end -._gd_init: .long (_start - GENERATED_GBL_DATA_SIZE) -._stack_init: .long (_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) +._gd_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE) +._stack_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) ._sh_generic_init: .long sh_generic_init diff --git a/arch/sh/cpu/sh4/start.S b/arch/sh/cpu/sh4/start.S index 4b5f606..a1d5ee4 100644 --- a/arch/sh/cpu/sh4/start.S +++ b/arch/sh/cpu/sh4/start.S @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2007, 2010 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org> * * This program is free software; you can redistribute it and/or @@ -26,7 +26,7 @@ .align 2 .global _start -_start: +_sh_start: mov.l ._lowlevel_init, r0 100: bsrf r0 nop @@ -35,7 +35,7 @@ _start: nop 1: sts pr, r5 mov.l ._reloc_dst, r4 - add #(_start-1b), r5 + add #(_sh_start-1b), r5 mov.l ._reloc_dst_end, r6 2: mov.l @r5+, r1 @@ -70,6 +70,6 @@ loop: ._reloc_dst_end: .long reloc_dst_end ._bss_start: .long bss_start ._bss_end: .long bss_end -._gd_init: .long (_start - GENERATED_GBL_DATA_SIZE) -._stack_init: .long (_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) +._gd_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE) +._stack_init: .long (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16) ._sh_generic_init: .long sh_generic_init |