From 096426b457a3522d6c005e0efe0be24b89dad232 Mon Sep 17 00:00:00 2001 From: Tao Xia Date: Sat, 20 Feb 2021 17:59:37 +0800 Subject: mb/google/dedede/var/sasukette: Adding LTE module support into devicetree and associated GPIO configuartion Adding LTE module support into devicetree and associated GPIO configuartion. BUG=b:177385043 BRANCH=dedede TEST=LTE function is OK Signed-off-by: Tao Xia Change-Id: I4d91045176fd6413ac6a5eed70289a5668e5b94f Reviewed-on: https://review.coreboot.org/c/coreboot/+/50985 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- .../google/dedede/variants/sasukette/Makefile.inc | 2 ++ .../google/dedede/variants/sasukette/gpio.c | 9 +++++++++ .../dedede/variants/sasukette/overridetree.cb | 10 ++++++++++ .../google/dedede/variants/sasukette/variant.c | 23 ++++++++++++++++++++++ 4 files changed, 44 insertions(+) create mode 100644 src/mainboard/google/dedede/variants/sasukette/variant.c (limited to 'src/mainboard/google/dedede') diff --git a/src/mainboard/google/dedede/variants/sasukette/Makefile.inc b/src/mainboard/google/dedede/variants/sasukette/Makefile.inc index eb2c9bc021..fd60a18b69 100644 --- a/src/mainboard/google/dedede/variants/sasukette/Makefile.inc +++ b/src/mainboard/google/dedede/variants/sasukette/Makefile.inc @@ -1,3 +1,5 @@ ## SPDX-License-Identifier: GPL-2.0-or-later ramstage-y += gpio.c + +smm-y += variant.c diff --git a/src/mainboard/google/dedede/variants/sasukette/gpio.c b/src/mainboard/google/dedede/variants/sasukette/gpio.c index 0f5b6d292b..d9b1307928 100644 --- a/src/mainboard/google/dedede/variants/sasukette/gpio.c +++ b/src/mainboard/google/dedede/variants/sasukette/gpio.c @@ -5,8 +5,17 @@ /* Pad configuration in ramstage*/ static const struct pad_config gpio_table[] = { + /* A10 : WWAN_EN */ + PAD_CFG_GPO(GPP_A10, 1, PWROK), + + /* B7 : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL*/ + PAD_CFG_GPI_IRQ_WAKE(GPP_B7, NONE, DEEP, LEVEL, INVERT), + /* D15 : EN_PP3300_CAMERA */ PAD_CFG_GPO(GPP_D15, 1, PLTRST), + + /* H17 : WWAN_RST_L */ + PAD_CFG_GPO(GPP_H17, 0, PLTRST), }; const struct pad_config *variant_override_gpio_table(size_t *num) diff --git a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb index 6e69b33edf..2b310ce529 100644 --- a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb +++ b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb @@ -51,6 +51,16 @@ chip soc/intel/jasperlake register "enable_delay_ms" = "20" device usb 2.5 on end end + chip drivers/usb/acpi + register "desc" = ""LTE"" + register "type" = "UPC_TYPE_INTERNAL" + register "has_power_resource" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17)" + register "reset_off_delay_ms" = "20" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)" + register "enable_delay_ms" = "20" + device usb 3.3 on end + end end end end # USB xHCI diff --git a/src/mainboard/google/dedede/variants/sasukette/variant.c b/src/mainboard/google/dedede/variants/sasukette/variant.c new file mode 100644 index 0000000000..22caa069d3 --- /dev/null +++ b/src/mainboard/google/dedede/variants/sasukette/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