diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/ramtop.c')
| -rw-r--r-- | src/soc/amd/stoneyridge/ramtop.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/soc/amd/stoneyridge/ramtop.c b/src/soc/amd/stoneyridge/ramtop.c index 8268477a32..e676465ce7 100644 --- a/src/soc/amd/stoneyridge/ramtop.c +++ b/src/soc/amd/stoneyridge/ramtop.c @@ -22,20 +22,16 @@ #include <cpu/amd/mtrr.h> #include <cbmem.h> #include <soc/northbridge.h> - -#define CBMEM_TOP_SCRATCHPAD 0x78 +#include <soc/southbridge.h> void backup_top_of_low_cacheable(uintptr_t ramtop) { - uint16_t top_cache = ramtop >> 16; - pci_write_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD, top_cache); + biosram_write32(BIOSRAM_CBMEM_TOP, ramtop); } uintptr_t restore_top_of_low_cacheable(void) { - uint16_t top_cache; - top_cache = pci_read_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD); - return (top_cache << 16); + return biosram_read32(BIOSRAM_CBMEM_TOP); } void *cbmem_top(void) |