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-rw-r--r--src/mainboard/google/brya/variants/pujjoga/Makefile.mk1
-rw-r--r--src/mainboard/google/brya/variants/pujjoga/fw_config.c36
-rw-r--r--src/mainboard/google/brya/variants/pujjoga/overridetree.cb16
3 files changed, 51 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/pujjoga/Makefile.mk b/src/mainboard/google/brya/variants/pujjoga/Makefile.mk
index d38141ca24..8ae0e3b61c 100644
--- a/src/mainboard/google/brya/variants/pujjoga/Makefile.mk
+++ b/src/mainboard/google/brya/variants/pujjoga/Makefile.mk
@@ -3,4 +3,5 @@ bootblock-y += gpio.c
romstage-y += gpio.c
+ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
ramstage-y += gpio.c
diff --git a/src/mainboard/google/brya/variants/pujjoga/fw_config.c b/src/mainboard/google/brya/variants/pujjoga/fw_config.c
new file mode 100644
index 0000000000..eaef2a2fe3
--- /dev/null
+++ b/src/mainboard/google/brya/variants/pujjoga/fw_config.c
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <console/console.h>
+#include <fw_config.h>
+
+static const struct pad_config wwan_disable_pads[] = {
+ /* A8 : WWAN_RF_DISABLE_ODL */
+ PAD_NC(GPP_A8, NONE),
+ /* A12 : WWAN_PCIE_WAKE_ODL */
+ PAD_NC(GPP_A12, NONE),
+ /* D5 : SRCCLKREQ0# ==> WWAN_CLKREQ_ODL */
+ PAD_NC(GPP_D5, NONE),
+ /* D6 : WWAN_EN */
+ PAD_NC(GPP_D6, NONE),
+ /* D15 : EN_PP2800_WCAM_X ==> WWAN_SAR_DETECT_2_ODL */
+ PAD_NC(GPP_D15, NONE),
+ /* F12 : WWAN_RST_L */
+ PAD_NC_LOCK(GPP_F12, NONE, LOCK_CONFIG),
+ /* H19 : SOC_I2C_SUB_INT_ODL */
+ PAD_NC(GPP_H19, NONE),
+ /* H21 : WCAM_MCLK_R ==> WWAN_PERST_L */
+ PAD_NC_LOCK(GPP_H21, NONE, LOCK_CONFIG),
+ /* H23 : WWAN_SAR_DETECT_ODL */
+ PAD_NC(GPP_H23, NONE),
+};
+
+void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
+{
+ if (fw_config_probe(FW_CONFIG(WWAN, WWAN_ABSENT))) {
+ printk(BIOS_INFO, "Disable WWAN-related GPIO pins.\n");
+ gpio_padbased_override(padbased_table, wwan_disable_pads,
+ ARRAY_SIZE(wwan_disable_pads));
+ }
+}
diff --git a/src/mainboard/google/brya/variants/pujjoga/overridetree.cb b/src/mainboard/google/brya/variants/pujjoga/overridetree.cb
index 5641b065d4..26eb32a866 100644
--- a/src/mainboard/google/brya/variants/pujjoga/overridetree.cb
+++ b/src/mainboard/google/brya/variants/pujjoga/overridetree.cb
@@ -1,3 +1,11 @@
+fw_config
+ field WWAN 3 4
+ option WWAN_ABSENT 0
+ option LTE_PRESENT 1
+ option 5G_PRESENT 2
+ end
+end
+
chip soc/intel/alderlake
# Acoustic settings
register "acoustic_noise_mitigation" = "1"
@@ -298,7 +306,9 @@ chip soc/intel/alderlake
chip drivers/usb/acpi
register "desc" = ""USB2 WWAN""
register "type" = "UPC_TYPE_INTERNAL"
- device ref usb2_port5 on end
+ device ref usb2_port5 on
+ probe WWAN LTE_PRESENT
+ end
end
chip drivers/usb/acpi
register "desc" = ""USB2 UFC""
@@ -334,7 +344,9 @@ chip soc/intel/alderlake
chip drivers/usb/acpi
register "desc" = ""USB3 WWAN""
register "type" = "UPC_TYPE_INTERNAL"
- device ref usb3_port3 on end
+ device ref usb3_port3 on
+ probe WWAN LTE_PRESENT
+ end
end
end
end