diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/southbridge.c')
-rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 10a23f2737..45408ead02 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -649,3 +649,27 @@ static void set_pci_irqs(void *unused) * on entry into BS_DEV_ENABLE. */ BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, set_pci_irqs, NULL); + +void save_uma_size(uint32_t size) +{ + biosram_write32(BIOSRAM_UMA_SIZE, size); +} + +void save_uma_base(uint64_t base) +{ + biosram_write32(BIOSRAM_UMA_BASE, (uint32_t) base); + biosram_write32(BIOSRAM_UMA_BASE + 4, (uint32_t) (base >> 32)); +} + +uint32_t get_uma_size(void) +{ + return biosram_read32(BIOSRAM_UMA_SIZE); +} + +uint64_t get_uma_base(void) +{ + uint64_t base; + base = biosram_read32(BIOSRAM_UMA_BASE); + base |= ((uint64_t)(biosram_read32(BIOSRAM_UMA_BASE + 4)) << 32); + return base; +} |