diff options
| -rw-r--r-- | src/mainboard/google/rex/variants/karis/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/mainboard/google/rex/variants/karis/fw_config.c | 45 |
2 files changed, 46 insertions, 2 deletions
diff --git a/src/mainboard/google/rex/variants/karis/Makefile.inc b/src/mainboard/google/rex/variants/karis/Makefile.inc index a49954cc35..263854084b 100644 --- a/src/mainboard/google/rex/variants/karis/Makefile.inc +++ b/src/mainboard/google/rex/variants/karis/Makefile.inc @@ -1,7 +1,6 @@ ## SPDX-License-Identifier: GPL-2.0-only bootblock-y += gpio.c - romstage-y += gpio.c - +ramstage-$(CONFIG_FW_CONFIG) += fw_config.c ramstage-y += gpio.c diff --git a/src/mainboard/google/rex/variants/karis/fw_config.c b/src/mainboard/google/rex/variants/karis/fw_config.c new file mode 100644 index 0000000000..7211d8ae76 --- /dev/null +++ b/src/mainboard/google/rex/variants/karis/fw_config.c @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <baseboard/variants.h> +#include <bootstate.h> +#include <console/console.h> +#include <fw_config.h> +#include <gpio.h> + +#define GPIO_PADBASED_OVERRIDE(b, a) gpio_padbased_override(b, a, ARRAY_SIZE(a)) + +static const struct pad_config fp_disable_pads[] = { + /* GPP_B11 : [] ==> EN_FP_PWR */ + PAD_NC(GPP_B11, NONE), + /* GPP_C22 : [] ==> SOC_FP_BOOT0 */ + PAD_NC(GPP_C22, NONE), + /* GPP_C23 : [] ==> FP_RST_ODL */ + PAD_NC(GPP_C23, NONE), + /* GPP_E10 : [] ==> SOC_FPMCU_INT_L */ + PAD_NC(GPP_E10, NONE), + /* GPP_F11 : GSP1_SOC_CLK_R */ + PAD_NC(GPP_F11, NONE), + /* GPP_F12 : GSPI1_SOC_DO_FPMCU_DI_R */ + PAD_NC(GPP_F12, NONE), + /* GPP_F13 : GSPI1_SOC_DI_FPMCU_DO_LS_R */ + PAD_NC(GPP_F13, NONE), + /* GPP_F17 : [] ==> GSPI1_SOC_CS_L */ + PAD_NC(GPP_F17, NONE), +}; + +static const struct pad_config stylus_disable_pads[] = { + /* GPP_E04 : SOC_PEN_DETECT */ + PAD_NC(GPP_E04, NONE), +}; + +void fw_config_gpio_padbased_override(struct pad_config *padbased_table) +{ + if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) { + printk(BIOS_INFO, "Configure GPIOs for no stylus.\n"); + GPIO_PADBASED_OVERRIDE(padbased_table, stylus_disable_pads); + } + if (fw_config_probe(FW_CONFIG(FP_MCU, FP_ABSENT))) { + printk(BIOS_INFO, "Configure GPIOs for no FP module.\n"); + GPIO_PADBASED_OVERRIDE(padbased_table, fp_disable_pads); + } +} |