diff options
Diffstat (limited to 'src/mainboard/intel/galileo/gpio.c')
-rw-r--r-- | src/mainboard/intel/galileo/gpio.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/mainboard/intel/galileo/gpio.c b/src/mainboard/intel/galileo/gpio.c index 00b42403d1..a411c5a0ff 100644 --- a/src/mainboard/intel/galileo/gpio.c +++ b/src/mainboard/intel/galileo/gpio.c @@ -16,10 +16,29 @@ #include <arch/io.h> #include <console/console.h> #include <soc/ramstage.h> -#include <soc/reg_access.h> +#include "reg_access.h" #include "gen1.h" #include "gen2.h" +void mainboard_gpio_i2c_init(device_t dev) +{ + const struct reg_script *script; + + printk(BIOS_INFO, "Galileo I2C chip initialization\n"); + + /* Determine the correct script for the board */ + if (IS_ENABLED(CONFIG_GALILEO_GEN2)) + script = gen2_i2c_init; + else + /* Determine which I2C address is in use */ + script = (reg_legacy_gpio_read (R_QNC_GPIO_RGLVL_RESUME_WELL) + & GALILEO_DETERMINE_IOEXP_SLA_RESUMEWELL_GPIO) + ? gen1_i2c_0x20_init : gen1_i2c_0x21_init; + + /* Initialize the I2C chips */ + reg_script_run(script); +} + void mainboard_gpio_init(void) { const struct reg_script *script; |