diff options
| author | Tao Xia <xiatao5@huaqin.corp-partner.google.com> | 2021-02-20 17:59:37 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-24 11:29:20 +0000 |
| commit | 096426b457a3522d6c005e0efe0be24b89dad232 (patch) | |
| tree | 4f1e85b89cfae86e4abb572813bf7da4e15d35f7 | |
| parent | e747e8557e7c63df5e3664a82a5d2d2456bd9a30 (diff) | |
| download | coreboot-096426b457a3522d6c005e0efe0be24b89dad232.tar.xz | |
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 <xiatao5@huaqin.corp-partner.google.com>
Change-Id: I4d91045176fd6413ac6a5eed70289a5668e5b94f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50985
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
4 files changed, 44 insertions, 0 deletions
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 <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(); +} |