diff options
Diffstat (limited to 'src/soc/intel/skylake/romstage/i2c.c')
| -rw-r--r-- | src/soc/intel/skylake/romstage/i2c.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/romstage/i2c.c b/src/soc/intel/skylake/romstage/i2c.c index 64e692420e..3d2e9945c0 100644 --- a/src/soc/intel/skylake/romstage/i2c.c +++ b/src/soc/intel/skylake/romstage/i2c.c @@ -46,6 +46,8 @@ static void i2c_early_init_bus(unsigned bus) { ROMSTAGE_CONST struct soc_intel_skylake_config *config; ROMSTAGE_CONST struct device *tree_dev; + const struct lpss_i2c_speed_config *sptr; + enum i2c_speed speed; pci_devfn_t dev; unsigned devfn; uintptr_t base; @@ -84,7 +86,17 @@ static void i2c_early_init_bus(unsigned bus) write32(reg, value); /* Initialize the controller */ - lpss_i2c_init(bus, config->i2c[bus].speed ? : I2C_SPEED_FAST); + speed = config->i2c[bus].speed ? : I2C_SPEED_FAST; + lpss_i2c_init(bus, speed); + + /* Apply custom speed config if it has been set by the board */ + for (value = 0; value < LPSS_I2C_SPEED_CONFIG_COUNT; value++) { + sptr = &config->i2c[bus].speed_config[value]; + if (sptr->speed == speed) { + lpss_i2c_set_speed_config(bus, sptr); + break; + } + } } void i2c_early_init(void) |