diff options
| author | Felix Held <felix.held@amd.corp-partner.google.com> | 2021-09-20 16:31:33 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-10-13 17:36:53 +0000 |
| commit | 425e73d3f545430884ad2020d56300aae88a1714 (patch) | |
| tree | 675aaa7ead897406d8a725699685e1070d1503d1 /src/soc/amd/stoneyridge | |
| parent | ef90f07d065156f911aa29eac98ea394f4d776c4 (diff) | |
soc/amd/*: Enable ACPIMMIO decode first in fch_pre_init
Since the GPIO mux/control MMIO regions are within the ACPIMMIO region,
we need to call enable_acpimmio_decode_pm04 here first so that accessing
the GPIO registers will work.
BUG=None
TEST=Build and boot to OS in Guybrush.
Change-Id: I4bc076261c72cf999a5f2464b74cff6bf694d473
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57782
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src/soc/amd/stoneyridge')
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 7493770fac..de27ac540a 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -328,6 +328,9 @@ void bootblock_fch_early_init(void) { int reboot = 0; + /* Enable_acpimmio_decode_pm04 to enable the ACPIMMIO decode which is needed to access + the GPIO registers. */ + enable_acpimmio_decode_pm04(); lpc_enable_rom(); sb_enable_lpc(); lpc_enable_port80(); @@ -335,7 +338,6 @@ void bootblock_fch_early_init(void) lpc_enable_spi_prefetch(); sb_init_spi_base(); sb_disable_4dw_burst(); /* Must be disabled on CZ(ST) */ - enable_acpimmio_decode_pm04(); fch_smbus_init(); fch_enable_cf9_io(); setup_spread_spectrum(&reboot); |