diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8220/start.S')
| -rw-r--r-- | arch/powerpc/cpu/mpc8220/start.S | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/arch/powerpc/cpu/mpc8220/start.S b/arch/powerpc/cpu/mpc8220/start.S index 3d79d8ec0..b5c160b60 100644 --- a/arch/powerpc/cpu/mpc8220/start.S +++ b/arch/powerpc/cpu/mpc8220/start.S @@ -37,6 +37,7 @@ #include <asm/cache.h> #include <asm/mmu.h> +#include <asm/u-boot.h> #ifndef CONFIG_IDENT_STRING #define CONFIG_IDENT_STRING "" @@ -88,19 +89,6 @@ version_string: . = EXC_OFF_SYS_RESET .globl _start _start: - li r21, BOOTFLAG_COLD /* Normal Power-On */ - nop - b boot_cold - - . = EXC_OFF_SYS_RESET + 0x10 - - .globl _start_warm -_start_warm: - li r21, BOOTFLAG_WARM /* Software reboot */ - b boot_warm - -boot_cold: -boot_warm: mfmsr r5 /* save msr contents */ /* replace default MBAR base address from 0x80000000 @@ -144,10 +132,10 @@ boot_warm: /* r3: IMMR */ bl cpu_init_f /* run low-level CPU init code (in Flash)*/ - mr r3, r21 - /* r3: BOOTFLAG */ bl board_init_f /* run 1st part of board init code (in Flash)*/ + /* NOTREACHED - board_init_f() does not return */ + /* * Vector Table */ @@ -653,10 +641,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* |