diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/include/arch/cpu.h | 5 | ||||
| -rw-r--r-- | src/arch/x86/postcar_loader.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h index 5d44aaeb6c..5f11c9dc0c 100644 --- a/src/arch/x86/include/arch/cpu.h +++ b/src/arch/x86/include/arch/cpu.h @@ -283,6 +283,11 @@ void postcar_frame_add_mtrr(struct postcar_frame *pcf, uintptr_t addr, size_t size, int type); /* + * Add variable MTRR covering the memory-mapped ROM with given MTRR type. + */ +void postcar_frame_add_romcache(struct postcar_frame *pcf, int type); + +/* * Push used MTRR and Max MTRRs on to the stack * and return pointer to stack top. */ diff --git a/src/arch/x86/postcar_loader.c b/src/arch/x86/postcar_loader.c index 11f048de7a..1877108ed0 100644 --- a/src/arch/x86/postcar_loader.c +++ b/src/arch/x86/postcar_loader.c @@ -113,6 +113,13 @@ void postcar_frame_add_mtrr(struct postcar_frame *pcf, } } +void postcar_frame_add_romcache(struct postcar_frame *pcf, int type) +{ + if (!IS_ENABLED(CONFIG_BOOT_DEVICE_MEMORY_MAPPED)) + return; + postcar_frame_add_mtrr(pcf, CACHE_ROM_BASE, CACHE_ROM_SIZE, type); +} + void *postcar_commit_mtrrs(struct postcar_frame *pcf) { /* |