diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2021-03-25 00:51:39 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-03-29 18:57:03 +0000 |
| commit | f4e90e8a611a8ce29e3a990923ccdb99b919c21c (patch) | |
| tree | d6c6ad9d737272db0c6cb6e141013af2ccbeef89 /src/soc/amd/common/block | |
| parent | c1042ba2c5dc19194a75a87f1e717f411582dc9a (diff) | |
soc/amd/common/block/acpimmio/mmio_util: add fch_disable_kb_rst
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Suggested-by: Kangheui Won <khwon@chromium.org>
Change-Id: Ie65e39ffb8c353415f5b68e1e0f378d18eeb7498
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51784
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 5 | ||||
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/acpimmio.h | 1 |
2 files changed, 6 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 cfe877952a..c0b29fa992 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -93,6 +93,11 @@ void fch_configure_hpet(void) pm_write32(PM_DECODE_EN, reg); } +void fch_disable_kb_rst(void) +{ + pm_write8(PM_RST_CTRL1, pm_read8(PM_RST_CTRL1) & ~KBRSTEN); +} + /* 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 2e1da882c0..9360650851 100644 --- a/src/soc/amd/common/block/include/amdblocks/acpimmio.h +++ b/src/soc/amd/common/block/include/amdblocks/acpimmio.h @@ -87,6 +87,7 @@ void fch_disable_legacy_dma_io(void); void fch_io_enable_legacy_io(void); void fch_enable_ioapic_decode(void); void fch_configure_hpet(void); +void fch_disable_kb_rst(void); /* Access PM registers using IO cycles */ uint8_t pm_io_read8(uint8_t reg); |