diff options
| author | Ian Feng <ian_feng@compal.corp-partner.google.com> | 2022-07-21 16:28:12 +0800 |
|---|---|---|
| committer | Martin Roth <martin.roth@amd.corp-partner.google.com> | 2022-07-23 19:18:12 +0000 |
| commit | 52d0ec25eedc06ceff2f661544ffd6ad44369198 (patch) | |
| tree | 70332fe3e08b4f9fa47cba65baac34e70f535424 /src | |
| parent | d86860b84f0a20a57c0b8f4f33a2a8d19e5ea202 (diff) | |
mb/google/nissa/var/xivu: Disable WFC and pen garage based on fw_config
Use fw_config Bit 0 and Bit 1 to control:
Bit 0 = 0 --> enable WFC
Bit 0 = 1 --> disable WFC
Bit 1 = 0 --> enable pen garage wake
Bit 1 = 1 --> disable pen garage wake
BUG=b:238045498
TEST=emerge-nissa coreboot chromeos-bootimage
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: I85bc4753bfd16fd460286aa2b3bb5f3341049f61
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66043
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/xivu/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/xivu/fw_config.c | 32 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/xivu/overridetree.cb | 25 |
3 files changed, 55 insertions, 3 deletions
diff --git a/src/mainboard/google/brya/variants/xivu/Makefile.inc b/src/mainboard/google/brya/variants/xivu/Makefile.inc index d38141ca24..8ae0e3b61c 100644 --- a/src/mainboard/google/brya/variants/xivu/Makefile.inc +++ b/src/mainboard/google/brya/variants/xivu/Makefile.inc @@ -3,4 +3,5 @@ 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/brya/variants/xivu/fw_config.c b/src/mainboard/google/brya/variants/xivu/fw_config.c new file mode 100644 index 0000000000..0bf0626bdb --- /dev/null +++ b/src/mainboard/google/brya/variants/xivu/fw_config.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <bootstate.h> +#include <console/console.h> +#include <fw_config.h> + +static const struct pad_config wfc_disable_pads[] = { + /* D3 : WCAM_RST_L */ + PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG), + /* D15 : EN_PP2800_WCAM_X */ + PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG), + /* D16 : EN_PP1800_PP1200_WCAM_X */ + PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG), + /* H22 : WCAM_MCLK_R */ + PAD_NC(GPP_H22, NONE), + /* R6 : DMIC_WCAM_CLK_R */ + PAD_NC(GPP_R6, NONE), + /* R7 : DMIC_WCAM_DATA */ + PAD_NC(GPP_R7, NONE), +}; + +void fw_config_gpio_padbased_override(struct pad_config *padbased_table) +{ + if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) { + printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n"); + gpio_padbased_override(padbased_table, wfc_disable_pads, + ARRAY_SIZE(wfc_disable_pads)); + } + +} diff --git a/src/mainboard/google/brya/variants/xivu/overridetree.cb b/src/mainboard/google/brya/variants/xivu/overridetree.cb index 9268434463..6442e35043 100644 --- a/src/mainboard/google/brya/variants/xivu/overridetree.cb +++ b/src/mainboard/google/brya/variants/xivu/overridetree.cb @@ -1,3 +1,14 @@ +fw_config + field WFC 0 + option WFC_PRESENT 0 + option WFC_ABSENT 1 + end + field STYLUS 1 + option STYLUS_PRESENT 0 + option STYLUS_ABSENT 1 + end +end + chip soc/intel/alderlake register "sagv" = "SaGv_Enabled" @@ -40,6 +51,7 @@ chip soc/intel/alderlake register "cio2_prt[0]" = "2" device generic 0 on end end + probe WFC WFC_PRESENT end device ref i2c1 on chip drivers/i2c/hid @@ -73,6 +85,7 @@ chip soc/intel/alderlake register "key.linux_input_type" = "EV_SW" register "key.label" = ""pen_eject"" device generic 0 on + probe STYLUS STYLUS_PRESENT end end end @@ -117,7 +130,9 @@ chip soc/intel/alderlake register "off_seq.ops[2]" = "SEQ_OPS_GPIO_DISABLE(1, 0)" register "off_seq.ops[3]" = "SEQ_OPS_GPIO_DISABLE(0, 0)" - device i2c 36 on end + device i2c 36 on + probe WFC WFC_PRESENT + end end chip drivers/intel/mipi_camera register "acpi_uid" = "3" @@ -128,7 +143,9 @@ chip soc/intel/alderlake register "pr0" = ""\\_SB.PCI0.I2C2.CAM0.PRIC"" register "vcm_compat" = ""dongwoon,dw9714"" - device i2c 0C on end + device i2c 0C on + probe WFC WFC_PRESENT + end end chip drivers/intel/mipi_camera register "acpi_hid" = "ACPI_DT_NAMESPACE_HID" @@ -145,7 +162,9 @@ chip soc/intel/alderlake register "nvm_width" = "0x10" register "nvm_compat" = ""atmel,24c08"" - device i2c 50 on end + device i2c 50 on + probe WFC WFC_PRESENT + end end end device ref i2c3 on |