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| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-05-15 14:13:30 -0700 |
|---|---|---|
| committer | Leroy P Leahy <leroy.p.leahy@intel.com> | 2016-05-17 23:30:52 +0200 |
| commit | 3f0fe68c4b29dd279d0169cda715c64e3000f963 (patch) | |
| tree | 820a7852f52d2b811f95d519eea84f616b877307 /src/soc/intel/quark/romstage | |
| parent | 274d20a0652f45ed54834524c485f7ab59bcdf70 (diff) | |
soc/intel/quark: Perform GPIO initialization
Set the base address and enable the GPIO and legacy GPIO controllers.
Call the mainboard routine to initialize the GPIO controllers.
TEST=Build and run on Galileo Gen2
Change-Id: I06aed5903d6655d2a0948fb544cf9e0db68faa26
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14827
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/intel/quark/romstage')
| -rw-r--r-- | src/soc/intel/quark/romstage/romstage.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/quark/romstage/romstage.c b/src/soc/intel/quark/romstage/romstage.c index 93fb24b1c9..2f16c5f37a 100644 --- a/src/soc/intel/quark/romstage/romstage.c +++ b/src/soc/intel/quark/romstage/romstage.c @@ -28,6 +28,22 @@ #include <soc/pci_devs.h> #include <soc/pm.h> #include <soc/romstage.h> +#include <soc/reg_access.h> + +static const struct reg_script legacy_gpio_init[] = { + /* Temporarily enable the legacy GPIO controller */ + REG_PCI_WRITE32(R_QNC_LPC_GBA_BASE, IO_ADDRESS_VALID + | LEGACY_GPIO_BASE_ADDRESS), + REG_PCI_OR8(PCI_COMMAND, PCI_COMMAND_IO), + REG_SCRIPT_END +}; + +static const struct reg_script i2c_gpio_controller_init[] = { + /* Temporarily enable the GPIO controller */ + REG_PCI_WRITE32(PCI_BASE_ADDRESS_1, I2C_GPIO_BASE_ADDRESS), + REG_PCI_OR8(PCI_COMMAND, PCI_COMMAND_MEMORY), + REG_SCRIPT_END +}; void car_soc_pre_console_init(void) { @@ -39,6 +55,11 @@ void car_soc_pre_console_init(void) void car_soc_post_console_init(void) { report_platform_info(); + + /* Initialize the controllers */ + reg_script_run_on_dev(I2CGPIO_BDF, i2c_gpio_controller_init); + reg_script_run_on_dev(LPC_BDF, legacy_gpio_init); + mainboard_gpio_init(); }; static struct chipset_power_state power_state CAR_GLOBAL; |