diff options
-rw-r--r-- | src/soc/amd/stoneyridge/cpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/cpu.c b/src/soc/amd/stoneyridge/cpu.c index 0490137988..86429e207e 100644 --- a/src/soc/amd/stoneyridge/cpu.c +++ b/src/soc/amd/stoneyridge/cpu.c @@ -24,6 +24,7 @@ #include <soc/cpu.h> #include <soc/northbridge.h> #include <soc/smi.h> +#include <soc/iomap.h> #include <console/console.h> /* @@ -47,6 +48,10 @@ static struct smm_relocation_attrs relo_attrs; static void pre_mp_init(void) { x86_setup_mtrrs_with_detect(); + + /* The flash is now no longer cacheable. Reset to WP for performance. */ + mtrr_use_temp_range(FLASH_BASE_ADDR, CONFIG_ROM_SIZE, MTRR_TYPE_WRPROT); + x86_mtrr_check(); } |