diff options
Diffstat (limited to 'arch/arm/cpu/armv7/start.S')
| -rw-r--r-- | arch/arm/cpu/armv7/start.S | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 6b59529d5d..c0e184994a 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -96,7 +96,7 @@ _image_copy_end_ofs: .globl _bss_end_ofs _bss_end_ofs: - .word __bss_end__ - _start + .word __bss_end - _start .globl _end_ofs _end_ofs: @@ -309,6 +309,31 @@ ENTRY(cpu_init_cp15) orr r0, r0, #0x00001000 @ set bit 12 (I) I-cache #endif mcr p15, 0, r0, c1, c0, 0 + +#ifdef CONFIG_ARM_ERRATA_716044 + mrc p15, 0, r0, c1, c0, 0 @ read system control register + orr r0, r0, #1 << 11 @ set bit #11 + mcr p15, 0, r0, c1, c0, 0 @ write system control register +#endif + +#ifdef CONFIG_ARM_ERRATA_742230 + mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register + orr r0, r0, #1 << 4 @ set bit #4 + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register +#endif + +#ifdef CONFIG_ARM_ERRATA_743622 + mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register + orr r0, r0, #1 << 6 @ set bit #6 + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register +#endif + +#ifdef CONFIG_ARM_ERRATA_751472 + mrc p15, 0, r0, c15, c0, 1 @ read diagnostic register + orr r0, r0, #1 << 11 @ set bit #11 + mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register +#endif + mov pc, lr @ back to my caller ENDPROC(cpu_init_cp15) |