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-rw-r--r--src/mainboard/google/dedede/variants/cret/Makefile.inc2
-rw-r--r--src/mainboard/google/dedede/variants/cret/gpio.c8
-rw-r--r--src/mainboard/google/dedede/variants/cret/overridetree.cb7
-rw-r--r--src/mainboard/google/dedede/variants/cret/variant.c23
4 files changed, 40 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/cret/Makefile.inc b/src/mainboard/google/dedede/variants/cret/Makefile.inc
index eb2c9bc021..fd60a18b69 100644
--- a/src/mainboard/google/dedede/variants/cret/Makefile.inc
+++ b/src/mainboard/google/dedede/variants/cret/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/cret/gpio.c b/src/mainboard/google/dedede/variants/cret/gpio.c
index cb562212ae..3dd15efaa8 100644
--- a/src/mainboard/google/dedede/variants/cret/gpio.c
+++ b/src/mainboard/google/dedede/variants/cret/gpio.c
@@ -5,6 +5,8 @@
/* Pad configuration in ramstage */
static const struct pad_config override_gpio_table[] = {
+ /* A10 : WWAN_EN */
+ PAD_CFG_GPO(GPP_A10, 1, PWROK),
/* C12 : AP_PEN_DET_ODL ==> NC */
PAD_NC(GPP_C12, UP_20K),
/* C18 : AP_I2C_EMR_SDA */
@@ -13,6 +15,8 @@ static const struct pad_config override_gpio_table[] = {
PAD_NC(GPP_C19, NONE),
/* C22 : UART2_RTS_N ==> NC */
PAD_NC(GPP_C22, UP_20K),
+ /* D0 : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */
+ PAD_CFG_GPO(GPP_D0, 1, DEEP),
/* D12 : WCAM_RST_L ==> NC */
PAD_NC(GPP_D12, NONE),
/* D14 : EN_PP1200_CAMERA ==> NC */
@@ -23,6 +27,8 @@ static const struct pad_config override_gpio_table[] = {
PAD_NC(GPP_D19, NONE),
/* D20 : WWAN_WLAN_COEX2 ==> NC */
PAD_NC(GPP_D20, NONE),
+ /* D21 : WWAN_WLAN_COEX3 ==> NC */
+ PAD_NC(GPP_D21, NONE),
/* E0 : CLK_24M_UCAM ==> NC */
PAD_NC(GPP_E0, NONE),
/* E2 : CLK_24M_WCAM ==> NC */
@@ -33,6 +39,8 @@ static const struct pad_config override_gpio_table[] = {
PAD_NC(GPP_H6, NONE),
/* H7 : AP_I2C_CAM_SCL ==> NC */
PAD_NC(GPP_H7, NONE),
+ /* H17 : WWAN_RST_L */
+ PAD_CFG_GPO(GPP_H17, 1, PLTRST),
/* G0 : SD_CMD ==> NC */
PAD_NC(GPP_G0, NONE),
/* G1 : SD_DATA0 ==> NC */
diff --git a/src/mainboard/google/dedede/variants/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb
index 45e7afb8e0..0cf3bdf187 100644
--- a/src/mainboard/google/dedede/variants/cret/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb
@@ -75,6 +75,13 @@ chip soc/intel/jasperlake
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" = "10"
+ register "enable_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)"
+ register "enable_delay_ms" = "20"
device usb 3.3 on end
end
end
diff --git a/src/mainboard/google/dedede/variants/cret/variant.c b/src/mainboard/google/dedede/variants/cret/variant.c
new file mode 100644
index 0000000000..2540fc7f2a
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/cret/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(10);
+ 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();
+}