From 49e669f955913c31ff526884d3973a6a7da7dca5 Mon Sep 17 00:00:00 2001 From: Teddy Shih Date: Mon, 24 Jan 2022 11:34:26 +0800 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61329 Reviewed-by: Henry Sun Reviewed-by: Karthik Ramasubramanian Tested-by: build bot (Jenkins) --- .../google/dedede/variants/beadrix/Makefile.inc | 2 ++ .../google/dedede/variants/beadrix/variant.c | 23 ++++++++++++++++++++++ 2 files changed, 25 insertions(+) create mode 100644 src/mainboard/google/dedede/variants/beadrix/variant.c (limited to 'src/mainboard') 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 +#include +#include +#include + +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(); +} -- cgit v1.2.3