diff options
| -rw-r--r-- | src/soc/amd/common/block/lpc/espi_util.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/lpc/espi_util.c b/src/soc/amd/common/block/lpc/espi_util.c index 81056b0222cc..276bb3cdc373 100644 --- a/src/soc/amd/common/block/lpc/espi_util.c +++ b/src/soc/amd/common/block/lpc/espi_util.c @@ -883,6 +883,17 @@ static void espi_set_initial_config(const struct espi_config *mb_cfg) { uint32_t espi_initial_mode = ESPI_OP_FREQ_16_MHZ | ESPI_IO_MODE_SINGLE; + switch (mb_cfg->alert_pin) { + case ESPI_ALERT_PIN_IN_BAND: + break; + case ESPI_ALERT_PIN_PUSH_PULL: + case ESPI_ALERT_PIN_OPEN_DRAIN: + espi_initial_mode |= ESPI_ALERT_MODE; + break; + default: + die("Unknown espi alert config: %u!\n", mb_cfg->alert_pin); + } + espi_write32(ESPI_SLAVE0_CONFIG, espi_initial_mode); } |