diff options
| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-05-15 15:05:56 -0700 |
|---|---|---|
| committer | Leroy P Leahy <leroy.p.leahy@intel.com> | 2016-05-18 00:58:06 +0200 |
| commit | 15843bdad076149e9d04dcfaa07f4eedda84acfa (patch) | |
| tree | 42caf73696eccd79a2128718330111dc5495ea6d /src/mainboard/intel/galileo/gpio.c | |
| parent | ac690b1e9ba1318375bc7fba088aef5c7e3c07ce (diff) | |
mainboard/intel/galileo: Add I2C chip initialization
Add I2C chip initialization for the Galileo boards.
TEST=Build and run on Galileo Gen2
Change-Id: Ib5284d5cd7a67de2f3f98940837ceb2aa69af468
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14829
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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; |