diff options
| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2018-11-22 20:38:47 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-04-04 10:37:16 +0000 |
| commit | 2e2fe3cc91d2831c9962e5e96bd5739eba00ea73 (patch) | |
| tree | 789672ae2b991d3dca4cd958cbdc3a220817aaec /src/mainboard/google | |
| parent | 2c63017ca356bd245b3b09d1001586c019f5fa05 (diff) | |
mb/google/fizz/variants/karma: Clear GPP_B4 when entering S5
Set GPP_B4 to low in S5 to meet touch panel power sequence
BUG=b:124197348
BRANCH=master
TEST=Verify GPP_B4 is low.
Change-Id: I65deb33a45fdc0c0ce64deaa29c2790029dc1d12
Signed-off-by: David Wu <David_Wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/29796
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard/google')
4 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/google/fizz/smihandler.c b/src/mainboard/google/fizz/smihandler.c index 3aa9ddb53a..2b7367ad34 100644 --- a/src/mainboard/google/fizz/smihandler.c +++ b/src/mainboard/google/fizz/smihandler.c @@ -17,6 +17,7 @@ #include <ec/google/chromeec/smm.h> #include <soc/smm.h> +#include <baseboard/variants.h> #include <variant/ec.h> void mainboard_smi_espi_handler(void) @@ -24,8 +25,11 @@ void mainboard_smi_espi_handler(void) chromeec_smi_process_events(); } +void __weak variant_smi_sleep(u8 slp_typ) {} + void mainboard_smi_sleep(u8 slp_typ) { + variant_smi_sleep(slp_typ); chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS, MAINBOARD_EC_S5_WAKE_EVENTS); } diff --git a/src/mainboard/google/fizz/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/fizz/variants/baseboard/include/baseboard/variants.h index 50e7ee37c3..40dfeebc23 100644 --- a/src/mainboard/google/fizz/variants/baseboard/include/baseboard/variants.h +++ b/src/mainboard/google/fizz/variants/baseboard/include/baseboard/variants.h @@ -29,6 +29,8 @@ const struct pad_config *variant_early_gpio_table(size_t *num); const struct cros_gpio *variant_cros_gpios(size_t *num); +void variant_smi_sleep(u8 slp_typ); + struct nhlt; void variant_nhlt_init(struct nhlt *nhlt); void variant_nhlt_oem_overrides(const char **oem_id, const char **oem_table_id, diff --git a/src/mainboard/google/fizz/variants/karma/Makefile.inc b/src/mainboard/google/fizz/variants/karma/Makefile.inc index 0ad298b5f4..747552267d 100644 --- a/src/mainboard/google/fizz/variants/karma/Makefile.inc +++ b/src/mainboard/google/fizz/variants/karma/Makefile.inc @@ -2,3 +2,5 @@ bootblock-y += gpio.c ramstage-y += gpio.c ramstage-y += nhlt.c + +smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c diff --git a/src/mainboard/google/fizz/variants/karma/smihandler.c b/src/mainboard/google/fizz/variants/karma/smihandler.c new file mode 100644 index 0000000000..1bfae4dfe7 --- /dev/null +++ b/src/mainboard/google/fizz/variants/karma/smihandler.c @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Google Inc. + * + * 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/variants.h> +#include <gpio.h> + +#define TS_ENABLE GPP_B4 + +void variant_smi_sleep(u8 slp_typ) +{ + if (slp_typ == ACPI_S5) { + /* Set TS to disable */ + gpio_set(TS_ENABLE, 0); + } +} |