diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/soc/amd/common/block/cpu/noncar/memmap.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/soc/amd/common/block/cpu/noncar/memmap.c b/src/soc/amd/common/block/cpu/noncar/memmap.c index dd057c05fa..8cd9ec8998 100644 --- a/src/soc/amd/common/block/cpu/noncar/memmap.c +++ b/src/soc/amd/common/block/cpu/noncar/memmap.c @@ -37,12 +37,16 @@ const struct memmap_early_dram *memmap_get_early_dram_usage(void) void smm_region(uintptr_t *start, size_t *size) { static int once; - struct range_entry tseg; + static uintptr_t smm_start; + static size_t smm_size; int status; - *start = 0; - *size = 0; + *start = smm_start; + *size = smm_size; + if (*size && *start) + return; + struct range_entry tseg; status = fsp_find_range_hob(&tseg, AMD_FSP_TSEG_HOB_GUID.b); if (status < 0) { @@ -50,8 +54,10 @@ void smm_region(uintptr_t *start, size_t *size) return; } - *start = (uintptr_t)range_entry_base(&tseg); - *size = range_entry_size(&tseg); + smm_start = (uintptr_t)range_entry_base(&tseg); + smm_size = range_entry_size(&tseg); + *start = smm_start; + *size = smm_size; if (!once) { clear_tvalid(); |