diff options
author | Furquan Shaikh <furquan@google.com> | 2020-06-18 01:00:38 -0700 |
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committer | Furquan Shaikh <furquan@google.com> | 2020-06-25 08:06:13 +0000 |
commit | 996fdc0057d02c23e120341d47e70ce06860507f (patch) | |
tree | 27bfb86e5157df9d4690f3933fc9e543d1ab119e /src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c | |
parent | 624c1ca04e62d7977f5dc5d3e5ed8fca15474104 (diff) | |
download | coreboot-996fdc0057d02c23e120341d47e70ce06860507f.tar.xz |
mb/google/zork: Prepare variants for v3 schematics
This change updates variant_romstage_gpio_table() and
variant_wifi_romstage_gpio_table() to support v3 version of schematics
for dalboz and trembyle reference designs. gpio_set_stage_rom and
gpio_set_wifi are divided into two groups:
a) Pre-v3 (GPIO table for pre v3 schematics):
* gpio_set_stage_rom_pre_v3
* gpio_set_wifi_pre_v3
b) v3 (GPIO table for v3+ schematics):
* gpio_set_stage_v3
* gpio_set_wifi_v3
Currently, both _v3 is a copy of _pre_v3, but will be updated in
follow-up CLs to make it easier to identify what changed from _pre_v3
to _v3.
BUG=b:157088093, b:154676993, b:157098434, b:157165628, b:157744136, b:157743835
TEST=Compiles
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I444875d93100c2f2abdb6dec4312861fd89d9b78
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/2251390
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42721
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c')
-rw-r--r-- | src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c | 68 |
1 files changed, 62 insertions, 6 deletions
diff --git a/src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c b/src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c index b32312f291..2c87a0f21f 100644 --- a/src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c +++ b/src/mainboard/google/zork/variants/baseboard/gpio_baseboard_trembyle.c @@ -7,7 +7,7 @@ #include <boardid.h> #include <variant/gpio.h> -static const struct soc_amd_gpio gpio_set_stage_rom[] = { +static const struct soc_amd_gpio gpio_set_stage_rom_pre_v3[] = { /* PEN_POWER_EN - reset */ PAD_GPO(GPIO_5, LOW), /* EC_FCH_WAKE_L */ @@ -42,7 +42,47 @@ static const struct soc_amd_gpio gpio_set_stage_rom[] = { PAD_GPO(GPIO_142, HIGH), }; -static const struct soc_amd_gpio gpio_set_wifi[] = { +static const struct soc_amd_gpio gpio_set_wifi_pre_v3[] = { + /* EN_PWR_WIFI */ + PAD_GPO(GPIO_29, HIGH), +}; + +static const struct soc_amd_gpio gpio_set_stage_rom_v3[] = { + /* PEN_POWER_EN - reset */ + PAD_GPO(GPIO_5, LOW), + /* EC_FCH_WAKE_L */ + PAD_GPI(GPIO_24, PULL_UP), + PAD_WAKE(GPIO_24, PULL_UP, EDGE_LOW, S3_S4_S5), + /* PCIE_RST0_L - Fixed timings */ + /* TODO: Make sure this gets locked at end of post */ + PAD_NF(GPIO_26, PCIE_RST_L, PULL_NONE), + /* PCIE_RST1_L - Variable timings (May remove) */ + PAD_NF(GPIO_27, PCIE_RST1_L, PULL_NONE), + /* NVME_AUX_RESET_L */ + PAD_GPO(GPIO_40, HIGH), + /* WIFI_AUX_RESET_L */ + PAD_GPO(GPIO_42, HIGH), + /* EN_PWR_TOUCHPAD_PS2 - reset */ + PAD_GPO(GPIO_67, LOW), + /* EMMC_RESET - reset (default stuffing unused)*/ + PAD_GPO(GPIO_68, HIGH), + /* EN_PWR_CAMERA - reset */ + PAD_GPO(GPIO_76, LOW), + /* CLK_REQ0_L - WIFI */ + PAD_NF(GPIO_92, CLK_REQ0_L, PULL_UP), + /* CLK_REQ1_L - SD Card */ + PAD_NF(GPIO_115, CLK_REQ1_L, PULL_UP), + /* CLK_REQ4_L - SSD */ + PAD_NF(GPIO_132, CLK_REQ4_L, PULL_UP), + /* BIOS_FLASH_WP_ODL */ + PAD_GPI(GPIO_137, PULL_NONE), + /* USI_RESET - reset */ + PAD_GPO(GPIO_140, HIGH), + /* SD_AUX_RESET_L */ + PAD_GPO(GPIO_142, HIGH), +}; + +static const struct soc_amd_gpio gpio_set_wifi_v3[] = { /* EN_PWR_WIFI */ PAD_GPO(GPIO_29, HIGH), }; @@ -163,15 +203,31 @@ static const struct soc_amd_gpio gpio_set_stage_ram[] = { const __weak struct soc_amd_gpio *variant_romstage_gpio_table(size_t *size) { - *size = ARRAY_SIZE(gpio_set_stage_rom); - return gpio_set_stage_rom; + uint32_t board_version; + + if (!google_chromeec_cbi_get_board_version(&board_version) && + (board_version >= CONFIG_VARIANT_MIN_BOARD_ID_V3_SCHEMATICS)) { + *size = ARRAY_SIZE(gpio_set_stage_rom_v3); + return gpio_set_stage_rom_v3; + } + + *size = ARRAY_SIZE(gpio_set_stage_rom_pre_v3); + return gpio_set_stage_rom_pre_v3; } const __weak struct soc_amd_gpio *variant_wifi_romstage_gpio_table(size_t *size) { - *size = ARRAY_SIZE(gpio_set_wifi); - return gpio_set_wifi; + uint32_t board_version; + + if (!google_chromeec_cbi_get_board_version(&board_version) && + (board_version >= CONFIG_VARIANT_MIN_BOARD_ID_V3_SCHEMATICS)) { + *size = ARRAY_SIZE(gpio_set_wifi_v3); + return gpio_set_wifi_v3; + } + + *size = ARRAY_SIZE(gpio_set_wifi_pre_v3); + return gpio_set_wifi_pre_v3; } const __weak |