diff options
| author | Teddy Shih <teddyshih@ami.corp-partner.google.com> | 2022-01-24 11:34:26 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-02-15 17:26:57 +0000 |
| commit | 49e669f955913c31ff526884d3973a6a7da7dca5 (patch) | |
| tree | c5bfe95c4646db65217b4dc0da418f48cded2c8e | |
| parent | bb052ced54903e8543cba74649ff412fbcb8e1c5 (diff) | |
mb/google/dedede/var/beadrix: Add LTE power off sequence
This change adds LTE power off sequence for beadrix.
BUG=b:204882915
BRANCH=dedede
TEST=FW_NAME=beadrix emerge-dedede coreboot
Change-Id: I11370bf69438465d2230e2633044ba42685a152b
Signed-off-by: Teddy Shih <teddyshih@ami.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61329
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/mainboard/google/dedede/variants/beadrix/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/mainboard/google/dedede/variants/beadrix/variant.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/beadrix/Makefile.inc b/src/mainboard/google/dedede/variants/beadrix/Makefile.inc index e835c698be..11510200a5 100644 --- a/src/mainboard/google/dedede/variants/beadrix/Makefile.inc +++ b/src/mainboard/google/dedede/variants/beadrix/Makefile.inc @@ -3,3 +3,5 @@ romstage-y += memory.c ramstage-y += gpio.c + +smm-y += variant.c diff --git a/src/mainboard/google/dedede/variants/beadrix/variant.c b/src/mainboard/google/dedede/variants/beadrix/variant.c new file mode 100644 index 0000000000..22caa069d3 --- /dev/null +++ b/src/mainboard/google/dedede/variants/beadrix/variant.c @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <acpi/acpi.h> +#include <baseboard/variants.h> +#include <delay.h> +#include <gpio.h> + +static void power_off_lte_module(void) +{ + gpio_output(GPP_H17, 0); + mdelay(20); + gpio_output(GPP_A10, 0); +} + +void variant_smi_sleep(u8 slp_typ) +{ + /* + * Once the FW_CONFIG is provisioned, power off LTE module only under + * the situation where it is stuffed. + */ + if (slp_typ == ACPI_S5) + power_off_lte_module(); +} |