diff options
| author | Tyler Wang <tyler.wang@quanta.corp-partner.google.com> | 2023-09-05 14:21:19 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-09-15 13:45:24 +0000 |
| commit | 77d8e0bec69f67e2eea84aeeee64abe7b470ef71 (patch) | |
| tree | ac22854b1ef7dd8bc383310ad156294e1df195e1 /src/mainboard/google | |
| parent | c152006aa6c9e61c7ab76e973601ffa3fd06a525 (diff) | |
mb/google/rex/var/karis: Disable stylus/FP module based on fw_config
There are going to be skus without stylus and fingerprint module.
Disable stylus and fingerprint module based on fw_config.
BUG=b:290689824
TEST=emerge-rex coreboot
Change-Id: I047aae06c4a915d0392edc836757b882a261c178
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77647
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
| -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); + } +} |