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authorLeo Chou <leo.chou@lcfc.corp-partner.google.com>2024-06-11 16:23:33 +0800
committerFelix Held <felix-coreboot@felixheld.de>2024-06-12 11:02:36 +0000
commitfdeebb7558d75c288efbec845aa9bdd96aa52381 (patch)
tree254f2aab437d4a7459ccba1abe0d68fd9a23213a
parent74472453ed2165e9664de92f65f502a5bf7ae696 (diff)
mb/google/nissa/var/sundance: Add FW_CONFIG probe for WWAN devices
Add FW_CONFIG probe based on sundance boxster of below devices: WWAN Schematic version: NEC_SHIKIBU_ADL_N_MB_EVT_20240330 BUG=b:332978681 TEST=Boot to OS and verify the WWAN devices is set based on fw_config. Change-Id: I14339201d8ee21c85fefa96a49323e0c25cb8eca Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83041 Reviewed-by: Eric Lai <ericllai@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/brya/variants/sundance/Makefile.mk1
-rw-r--r--src/mainboard/google/brya/variants/sundance/fw_config.c36
-rw-r--r--src/mainboard/google/brya/variants/sundance/overridetree.cb15
3 files changed, 50 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/sundance/Makefile.mk b/src/mainboard/google/brya/variants/sundance/Makefile.mk
index d38141ca24..8ae0e3b61c 100644
--- a/src/mainboard/google/brya/variants/sundance/Makefile.mk
+++ b/src/mainboard/google/brya/variants/sundance/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/sundance/fw_config.c b/src/mainboard/google/brya/variants/sundance/fw_config.c
new file mode 100644
index 0000000000..f8f9a07933
--- /dev/null
+++ b/src/mainboard/google/brya/variants/sundance/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, LTE_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/sundance/overridetree.cb b/src/mainboard/google/brya/variants/sundance/overridetree.cb
index b4c7b5ebbc..2c4a63d37b 100644
--- a/src/mainboard/google/brya/variants/sundance/overridetree.cb
+++ b/src/mainboard/google/brya/variants/sundance/overridetree.cb
@@ -1,3 +1,10 @@
+fw_config
+ field WWAN 3 4
+ option LTE_ABSENT 0
+ option LTE_PRESENT 1
+ end
+end
+
chip soc/intel/alderlake
# Acoustic settings
register "acoustic_noise_mitigation" = "1"
@@ -275,7 +282,9 @@ 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""
@@ -304,7 +313,9 @@ 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