diff options
| author | Philip Chen <philipchen@google.com> | 2019-04-11 22:27:08 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-04-25 15:48:17 +0000 |
| commit | 5849b14705a2994f8386a265998d415b01c43996 (patch) | |
| tree | aa29083c84274344f4bfe4584c446edafc53b171 /src/mainboard/google | |
| parent | 0987e43aa05bfbafbfdd4952638b79a5084369f8 (diff) | |
| download | coreboot-5849b14705a2994f8386a265998d415b01c43996.tar.xz | |
mb/google/hatch: Pull up GPP_C13 for hatch and hatch_whl
On EC end, we want to change this pin from push-pull to open-drain.
And since there is no external pull-up resistor on the board, we'll
have to configure this pin as internal-pull-up on AP end.
BUG=b:129306003
TEST=None
Change-Id: Ibc1f89fc25773220db009c6571400b01390dd756
Signed-off-by: Philip Chen <philipchen@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32292
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google')
5 files changed, 69 insertions, 1 deletions
diff --git a/src/mainboard/google/hatch/variants/baseboard/gpio.c b/src/mainboard/google/hatch/variants/baseboard/gpio.c index 7e82b9b6ec..df1c65ea1f 100644 --- a/src/mainboard/google/hatch/variants/baseboard/gpio.c +++ b/src/mainboard/google/hatch/variants/baseboard/gpio.c @@ -428,7 +428,7 @@ static const struct pad_config s5_sleep_gpio_table[] = { PAD_CFG_GPO(GPP_A18, 0, DEEP), /* EN_PP3300_WWAN */ }; -const struct pad_config * __weak variant_sleep_gpio_table( +const struct pad_config *__weak variant_sleep_gpio_table( u8 slp_typ, size_t *num) { if (slp_typ == ACPI_S5) { diff --git a/src/mainboard/google/hatch/variants/hatch/Makefile.inc b/src/mainboard/google/hatch/variants/hatch/Makefile.inc index cf6ee5ac97..555cbb463c 100644 --- a/src/mainboard/google/hatch/variants/hatch/Makefile.inc +++ b/src/mainboard/google/hatch/variants/hatch/Makefile.inc @@ -18,3 +18,5 @@ SPD_SOURCES += 8G_2400 # 0b010 SPD_SOURCES += 8G_2666 # 0b011 SPD_SOURCES += 16G_2400 # 0b100 SPD_SOURCES += 16G_2666 # 0b101 + +ramstage-y += gpio.c diff --git a/src/mainboard/google/hatch/variants/hatch/gpio.c b/src/mainboard/google/hatch/variants/hatch/gpio.c new file mode 100644 index 0000000000..7e73724387 --- /dev/null +++ b/src/mainboard/google/hatch/variants/hatch/gpio.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the + * GNU General Public License for more details. + */ + +#include <arch/acpi.h> +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <commonlib/helpers.h> + +static const struct pad_config gpio_table[] = { + /* C13 : EC_PCH_INT_L + * TODO Configure it back to invert mode, when + * ITSS IPCx configuration is fixed in FSP. + */ + PAD_CFG_GPI_APIC(GPP_C13, UP_20K, PLTRST, LEVEL, NONE)}; + +const struct pad_config *override_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(gpio_table); + return gpio_table; +} diff --git a/src/mainboard/google/hatch/variants/hatch_whl/Makefile.inc b/src/mainboard/google/hatch/variants/hatch_whl/Makefile.inc index 4fa98eacf2..ecf5c2fbdb 100644 --- a/src/mainboard/google/hatch/variants/hatch_whl/Makefile.inc +++ b/src/mainboard/google/hatch/variants/hatch_whl/Makefile.inc @@ -18,3 +18,5 @@ SPD_SOURCES += empty_ddr4 # 0b010 SPD_SOURCES += empty_ddr4 # 0b011 SPD_SOURCES += empty_ddr4 # 0b100 SPD_SOURCES += 8G_2666 # 0b101 + +ramstage-y += gpio.c diff --git a/src/mainboard/google/hatch/variants/hatch_whl/gpio.c b/src/mainboard/google/hatch/variants/hatch_whl/gpio.c new file mode 100644 index 0000000000..7e73724387 --- /dev/null +++ b/src/mainboard/google/hatch/variants/hatch_whl/gpio.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the + * GNU General Public License for more details. + */ + +#include <arch/acpi.h> +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <commonlib/helpers.h> + +static const struct pad_config gpio_table[] = { + /* C13 : EC_PCH_INT_L + * TODO Configure it back to invert mode, when + * ITSS IPCx configuration is fixed in FSP. + */ + PAD_CFG_GPI_APIC(GPP_C13, UP_20K, PLTRST, LEVEL, NONE)}; + +const struct pad_config *override_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(gpio_table); + return gpio_table; +} |