diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2021-02-11 03:01:18 +0100 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2021-02-12 20:48:28 +0000 |
| commit | 1b33205909c5a8f775eefd19107406a620a7fcc5 (patch) | |
| tree | 582707c548758a3cd8f922f8ac97688652a57305 /src/soc/amd/common/block/acpimmio | |
| parent | 428a682abe7a0aaf1414d6c9d4f6c862f4c2b5fe (diff) | |
soc/amd/common: add and use fch_enable_ioapic_decode
The default value of this bit is 0, so set it right before calling
setup_ioapic to make sure that it's set and not to have to rely on FSP
doing the right thing.
Change-Id: Ife886451a6927965769282fc5644c2085abb9585
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50513
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common/block/acpimmio')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 5 |
1 files changed, 5 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 1cacd44433..a19a28bd0e 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -74,6 +74,11 @@ void fch_io_enable_legacy_io(void) pm_io_write32(PM_DECODE_EN, pm_io_read32(PM_DECODE_EN) | LEGACY_IO_EN); } +void fch_enable_ioapic_decode(void) +{ + pm_write32(PM_DECODE_EN, pm_read32(PM_DECODE_EN) | FCH_IOAPIC_EN); +} + /* PM registers are accessed a byte at a time via CD6/CD7 */ uint8_t pm_io_read8(uint8_t reg) { |