diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2020-06-29 17:56:02 -0600 |
|---|---|---|
| committer | Marshall Dawson <marshalldawson3rd@gmail.com> | 2020-06-30 22:36:39 +0000 |
| commit | 8d9b878f639fdd55d9151e117863fa3a4cbe7ab0 (patch) | |
| tree | 62ddc37234019e412abad6ce7de86f7cff9dc877 /src | |
| parent | 2099716f69fe297bbf872cc43b8aa48cfe679b5f (diff) | |
soc/amd/common/lpc: Skip SERIRQ setup when using eSPI
BUG=b:157984427
TEST=check value of PMx054
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Change-Id: I2ca14c137ed784a1a7cfeed969719f46fc8230f9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42896
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/common/block/lpc/lpc.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/soc/amd/common/block/lpc/lpc.c b/src/soc/amd/common/block/lpc/lpc.c index 5e18aad0bb..deadfa2a77 100644 --- a/src/soc/amd/common/block/lpc/lpc.c +++ b/src/soc/amd/common/block/lpc/lpc.c @@ -25,6 +25,18 @@ /* Most systems should have already enabled the bridge */ void __weak soc_late_lpc_bridge_enable(void) { } +static void setup_serirq(void) +{ + u8 byte; + + /* Set up SERIRQ, enable continuous mode */ + byte = (PM_SERIRQ_NUM_BITS_21 | PM_SERIRQ_ENABLE); + if (!CONFIG(SERIRQ_CONTINUOUS_MODE)) + byte |= PM_SERIRQ_MODE; + + pm_write8(PM_SERIRQ_CONF, byte); +} + static void lpc_init(struct device *dev) { u8 byte; @@ -81,12 +93,8 @@ static void lpc_init(struct device *dev) /* Initialize i8254 timers */ setup_i8254(); - /* Set up SERIRQ, enable continuous mode */ - byte = (PM_SERIRQ_NUM_BITS_21 | PM_SERIRQ_ENABLE); - if (!CONFIG(SERIRQ_CONTINUOUS_MODE)) - byte |= PM_SERIRQ_MODE; - - pm_write8(PM_SERIRQ_CONF, byte); + if (!CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) + setup_serirq(); } static void lpc_read_resources(struct device *dev) |