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| author | Jacob Shin <jacob.shin@amd.com> | 2013-05-30 14:09:19 -0500 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-05-30 20:19:25 -0700 |
| commit | 757885e94a22bcc82beb9b1445c95218cb20ceab (patch) | |
| tree | 1cda49972f875326d47d1e140e190b7a1e9095d3 /arch/x86/include/asm/microcode_amd.h | |
| parent | a76096a6571d5389376753c2e18b30a9791fa072 (diff) | |
| download | blackbird-obmc-linux-757885e94a22bcc82beb9b1445c95218cb20ceab.tar.gz blackbird-obmc-linux-757885e94a22bcc82beb9b1445c95218cb20ceab.zip | |
x86, microcode, amd: Early microcode patch loading support for AMD
Add early microcode patch loading support for AMD.
Signed-off-by: Jacob Shin <jacob.shin@amd.com>
Link: http://lkml.kernel.org/r/1369940959-2077-5-git-send-email-jacob.shin@amd.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Diffstat (limited to 'arch/x86/include/asm/microcode_amd.h')
| -rw-r--r-- | arch/x86/include/asm/microcode_amd.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index a57d9b75f30b..24254aaa857f 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h @@ -61,4 +61,18 @@ extern int __apply_microcode_amd(struct microcode_amd *mc_amd); extern int apply_microcode_amd(int cpu); extern enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size); +#ifdef CONFIG_MICROCODE_AMD_EARLY +#ifdef CONFIG_X86_32 +#define MPB_MAX_SIZE PAGE_SIZE +extern u8 __cpuinitdata amd_bsp_mpb[MPB_MAX_SIZE]; +#endif +extern void __init load_ucode_amd_bsp(void); +extern void __cpuinit load_ucode_amd_ap(void); +extern int __init save_microcode_in_initrd_amd(void); +#else +static inline void __init load_ucode_amd_bsp(void) {} +static inline void __cpuinit load_ucode_amd_ap(void) {} +static inline int __init save_microcode_in_initrd_amd(void) { return -EINVAL; } +#endif + #endif /* _ASM_X86_MICROCODE_AMD_H */ |
