diff options
Diffstat (limited to 'src/soc/amd/common/block/acpimmio')
-rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/src/soc/amd/common/block/acpimmio/mmio_util.c b/src/soc/amd/common/block/acpimmio/mmio_util.c index edb3882e6f..7fad456106 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -65,7 +65,39 @@ void pm_io_write32(uint8_t reg, uint32_t value) pm_io_write16(reg + sizeof(uint16_t), value & 0xffff); } -/* smbus pci read/write - access registers at 0xfed80000 - currently unused */ +#if SUPPORTS_ACPIMMIO_SM_PCI_BASE +/* smbus pci read/write - access registers at 0xfed80000 */ + +u8 sm_pci_read8(u8 reg) +{ + return read8((void *)(ACPIMMIO_SM_PCI_BASE + reg)); +} + +u16 sm_pci_read16(u8 reg) +{ + return read16((void *)(ACPIMMIO_SM_PCI_BASE + reg)); +} + +u32 sm_pci_read32(u8 reg) +{ + return read32((void *)(ACPIMMIO_SM_PCI_BASE + reg)); +} + +void sm_pci_write8(u8 reg, u8 value) +{ + write8((void *)(ACPIMMIO_SM_PCI_BASE + reg), value); +} + +void sm_pci_write16(u8 reg, u16 value) +{ + write16((void *)(ACPIMMIO_SM_PCI_BASE + reg), value); +} + +void sm_pci_write32(u8 reg, u32 value) +{ + write32((void *)(ACPIMMIO_SM_PCI_BASE + reg), value); +} +#endif #if SUPPORTS_ACPIMMIO_SMI_BASE /* smi read/write - access registers at 0xfed80200 */ |