diff options
Diffstat (limited to 'src/northbridge/intel/fsp_rangeley/raminit.c')
| -rw-r--r-- | src/northbridge/intel/fsp_rangeley/raminit.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/northbridge/intel/fsp_rangeley/raminit.c b/src/northbridge/intel/fsp_rangeley/raminit.c index 3513c0f33d..9626745e47 100644 --- a/src/northbridge/intel/fsp_rangeley/raminit.c +++ b/src/northbridge/intel/fsp_rangeley/raminit.c @@ -26,19 +26,23 @@ #include "northbridge.h" #include <drivers/intel/fsp/fsp_util.h> -unsigned long get_top_of_ram(void) +static uintptr_t smm_region_start(void) { /* * Calculate the top of usable (low) DRAM. * The FSP's reserved memory sits just below the SMM region, * allowing calculation of the top of usable memory. */ - u32 tom = sideband_read(B_UNIT, BMBOUND); - u32 bsmmrrl = sideband_read(B_UNIT, BSMMRRL) << 20; + uintptr_t tom = sideband_read(B_UNIT, BMBOUND); + uintptr_t bsmmrrl = sideband_read(B_UNIT, BSMMRRL) << 20; if (bsmmrrl) { tom = bsmmrrl; } - tom -= FSP_RESERVE_MEMORY_SIZE; - return (unsigned long) tom; + return tom; +} + +void *cbmem_top(void) +{ + return (void *) (smm_region_start() - FSP_RESERVE_MEMORY_SIZE); } |