diff options
Diffstat (limited to 'arch/x86/cpu/ivybridge/car.S')
| -rw-r--r-- | arch/x86/cpu/ivybridge/car.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/cpu/ivybridge/car.S b/arch/x86/cpu/ivybridge/car.S index d5f1acf..9441666 100644 --- a/arch/x86/cpu/ivybridge/car.S +++ b/arch/x86/cpu/ivybridge/car.S @@ -12,9 +12,11 @@ */ #include <common.h> +#include <asm/msr-index.h> #include <asm/mtrr.h> #include <asm/post.h> #include <asm/processor-flags.h> +#include <asm/arch/microcode.h> #define MTRR_PHYS_BASE_MSR(reg) (0x200 + 2 * (reg)) #define MTRR_PHYS_MASK_MSR(reg) (0x200 + 2 * (reg) + 1) @@ -45,6 +47,14 @@ car_init: movl $0xFEE00300, %esi movl %eax, (%esi) + /* TODO: Load microcode later - the 'no eviction' mode breaks this */ + movl $MSR_IA32_UCODE_WRITE, %ecx + xorl %edx, %edx + movl $_dt_ucode_base_size, %eax + movl (%eax), %eax + addl $UCODE_HEADER_LEN, %eax + wrmsr + post_code(POST_CAR_SIPI) /* Zero out all fixed range and variable range MTRRs */ movl $mtrr_table, %esi @@ -222,3 +232,9 @@ mtrr_table: .word 0x20C, 0x20D, 0x20E, 0x20F .word 0x210, 0x211, 0x212, 0x213 mtrr_table_end: + + .align 4 +_dt_ucode_base_size: + /* These next two fields are filled in by ifdtool */ + .long 0 /* microcode base */ + .long 0 /* microcode size */ |