diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/intel/model_206ax/cache_as_ram.inc | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/cpu/intel/model_206ax/cache_as_ram.inc b/src/cpu/intel/model_206ax/cache_as_ram.inc index 1a1167c057..702881d19f 100644 --- a/src/cpu/intel/model_206ax/cache_as_ram.inc +++ b/src/cpu/intel/model_206ax/cache_as_ram.inc @@ -20,7 +20,11 @@ #include <arch/acpi.h> #include "northbridge/intel/sandybridge/sandybridge.h" -#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE +/* The full cache-as-ram size includes the cache-as-ram portion from coreboot + * and the space used by the reference code. These 2 values combined should + * be a power of 2 because the MTRR setup assumes that. */ +#define CACHE_AS_RAM_SIZE \ + (CONFIG_DCACHE_RAM_SIZE + CONFIG_DCACHE_RAM_MRC_VAR_SIZE) #define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE /* Cache 4GB - MRC_SIZE_KB for MRC */ @@ -159,9 +163,8 @@ clear_mtrrs: andl $(~(CR0_CacheDisable | CR0_NoWriteThrough)), %eax movl %eax, %cr0 - /* Set up the stack pointer below MRC variable space. */ - movl $(CACHE_AS_RAM_SIZE + CACHE_AS_RAM_BASE - \ - CONFIG_DCACHE_RAM_MRC_VAR_SIZE - 4), %eax + /* Setup the stack. */ + movl $(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE), %eax movl %eax, %esp /* Restore the BIST result. */ |