diff options
Diffstat (limited to 'src/soc/amd/common')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 15 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/acpimmio.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/acpimmio/mmio_util.c b/src/soc/amd/common/block/acpimmio/mmio_util.c index 508467297c..6231d49e12 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -58,6 +58,21 @@ void enable_acpimmio_decode_pm04(void) pm_io_write32(ACPIMMIO_DECODE_REGISTER_04, dw); } +void fch_enable_cf9_io(void) +{ + pm_write32(PM_DECODE_EN, pm_read32(PM_DECODE_EN) | CF9_IO_EN); +} + +void fch_enable_legacy_io(void) +{ + pm_write32(PM_DECODE_EN, pm_read32(PM_DECODE_EN) | LEGACY_IO_EN); +} + +void fch_io_enable_legacy_io(void) +{ + pm_io_write32(PM_DECODE_EN, pm_io_read32(PM_DECODE_EN) | LEGACY_IO_EN); +} + /* PM registers are accessed a byte at a time via CD6/CD7 */ uint8_t pm_io_read8(uint8_t reg) { diff --git a/src/soc/amd/common/block/include/amdblocks/acpimmio.h b/src/soc/amd/common/block/include/amdblocks/acpimmio.h index 865ad48a9b..0e42ee60c3 100644 --- a/src/soc/amd/common/block/include/amdblocks/acpimmio.h +++ b/src/soc/amd/common/block/include/amdblocks/acpimmio.h @@ -73,6 +73,9 @@ void enable_acpimmio_decode_pm24(void); /* For newer integrated FCHs */ void enable_acpimmio_decode_pm04(void); +void fch_enable_cf9_io(void); +void fch_enable_legacy_io(void); +void fch_io_enable_legacy_io(void); /* Access PM registers using IO cycles */ uint8_t pm_io_read8(uint8_t reg); |