diff options
Diffstat (limited to 'arch/arm/cpu/armv7/start.S')
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index d23dc9d719..b05be6cc94 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -162,6 +162,7 @@ reset: /* the mask ROM code should have PLL and others stable */ #ifndef CONFIG_SKIP_LOWLEVEL_INIT + bl cpu_init_cp15 bl cpu_init_crit #endif @@ -299,17 +300,16 @@ jump_2_ram: _board_init_r_ofs: .word board_init_r - _start - -#ifndef CONFIG_SKIP_LOWLEVEL_INIT /************************************************************************* * - * CPU_init_critical registers + * cpu_init_cp15 * - * setup important registers - * setup memory timing + * Setup CP15 registers (cache, MMU, TLBs). The I-cache is turned on unless + * CONFIG_SYS_ICACHE_OFF is defined. * *************************************************************************/ -cpu_init_crit: +.globl cpu_init_cp15 +cpu_init_cp15: /* * Invalidate L1 I/D */ @@ -334,7 +334,19 @@ cpu_init_crit: orr r0, r0, #0x00001000 @ set bit 12 (I) I-cache #endif mcr p15, 0, r0, c1, c0, 0 + mov pc, lr @ back to my caller + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT +/************************************************************************* + * + * CPU_init_critical registers + * + * setup important registers + * setup memory timing + * + *************************************************************************/ +cpu_init_crit: /* * Jump to board specific initialization... * The Mask ROM will have already initialized |
