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authorNick Vaccaro <nvaccaro@google.com>2023-11-17 10:36:49 -0800
committerFelix Held <felix-coreboot@felixheld.de>2023-11-20 14:34:15 +0000
commit6615c60fd5ac5bb8a3ad9f86bbb1431332978a5d (patch)
treea58d270c37cb019f3426d15f1543069a4ca8135a
parentf6113ececc56d748328243f94da08d1253df810d (diff)
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mb/goog/brya/var/brya0/skolas: Disable LTE GPIOs if LTE_ABSENT
Check FW_CONFIG and disable gpios for LTE if LTE_ABSENT for skolas and brya0 variants. BUG=b:311459627 BRANCH=firmware-brya-14505.B TEST=`emerge-brya coreboot chromeos-bootimage`, flash and boot skolas to kernel and verify LTE gpios are disabled via "cbmem -c | grep LTE". Change-Id: I3f3bc2b536babf71cc484cce02f96f47707f729c Signed-off-by: Nick Vaccaro <nvaccaro@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/79122 Reviewed-by: Eric Lai <ericllai@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/brya/variants/brya0/fw_config.c28
-rw-r--r--src/mainboard/google/brya/variants/skolas/fw_config.c28
2 files changed, 56 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/fw_config.c b/src/mainboard/google/brya/variants/brya0/fw_config.c
index 9ff34818b10c..e50c5e415953 100644
--- a/src/mainboard/google/brya/variants/brya0/fw_config.c
+++ b/src/mainboard/google/brya/variants/brya0/fw_config.c
@@ -100,6 +100,29 @@ static const struct pad_config bt_i2s_disable_pads[] = {
PAD_NC(GPP_VGPIO_37, NONE),
};
+static const struct pad_config lte_disable_pads[] = {
+ /* A7 : WWAN_PCIE_WAKE_ODL */
+ PAD_NC(GPP_A7, NONE),
+ /* A8 : WWAN_RF_DISABLE_ODL */
+ PAD_NC(GPP_A8, NONE),
+ /* D5 : SRCCLKREQ0# ==> WWAN_DPR_SAR_ODL */
+ PAD_NC(GPP_D5, NONE),
+ /* E0 : SATAXPCIE0 ==> WWAN_PERST_L */
+ PAD_NC(GPP_E0, NONE),
+ /* E10 : THC0_SPI1_CS# ==> WWAN_CONFIG0 */
+ PAD_NC_LOCK(GPP_E10, NONE, LOCK_CONFIG),
+ /* E16 : WWAN_RST_L */
+ PAD_NC(GPP_E16, NONE),
+ /* E17 : THC0_SPI1_INT# ==> WWAN_CONFIG3 */
+ PAD_NC_LOCK(GPP_E17, NONE, LOCK_CONFIG),
+ /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L */
+ PAD_NC(GPP_F21, NONE),
+ /* H23 : SRCCLKREQ5# ==> WWAN_CLKREQ_ODL */
+ PAD_NC(GPP_H23, NONE),
+ /* GPD11 : LANPHYC ==> WWAN_CONFIG1 */
+ PAD_NC(GPD11, NONE),
+};
+
static void enable_i2s(void)
{
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
@@ -155,5 +178,10 @@ static void fw_config_handle(void *unused)
if (fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S)))
gpio_configure_pads(nau8318_enable_pads, ARRAY_SIZE(nau8318_enable_pads));
}
+
+ if (fw_config_probe(FW_CONFIG(DB_LTE, LTE_ABSENT))) {
+ printk(BIOS_INFO, "Disable LTE related GPIO pins.\n");
+ gpio_configure_pads(lte_disable_pads, ARRAY_SIZE(lte_disable_pads));
+ }
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
diff --git a/src/mainboard/google/brya/variants/skolas/fw_config.c b/src/mainboard/google/brya/variants/skolas/fw_config.c
index 9ff34818b10c..e50c5e415953 100644
--- a/src/mainboard/google/brya/variants/skolas/fw_config.c
+++ b/src/mainboard/google/brya/variants/skolas/fw_config.c
@@ -100,6 +100,29 @@ static const struct pad_config bt_i2s_disable_pads[] = {
PAD_NC(GPP_VGPIO_37, NONE),
};
+static const struct pad_config lte_disable_pads[] = {
+ /* A7 : WWAN_PCIE_WAKE_ODL */
+ PAD_NC(GPP_A7, NONE),
+ /* A8 : WWAN_RF_DISABLE_ODL */
+ PAD_NC(GPP_A8, NONE),
+ /* D5 : SRCCLKREQ0# ==> WWAN_DPR_SAR_ODL */
+ PAD_NC(GPP_D5, NONE),
+ /* E0 : SATAXPCIE0 ==> WWAN_PERST_L */
+ PAD_NC(GPP_E0, NONE),
+ /* E10 : THC0_SPI1_CS# ==> WWAN_CONFIG0 */
+ PAD_NC_LOCK(GPP_E10, NONE, LOCK_CONFIG),
+ /* E16 : WWAN_RST_L */
+ PAD_NC(GPP_E16, NONE),
+ /* E17 : THC0_SPI1_INT# ==> WWAN_CONFIG3 */
+ PAD_NC_LOCK(GPP_E17, NONE, LOCK_CONFIG),
+ /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L */
+ PAD_NC(GPP_F21, NONE),
+ /* H23 : SRCCLKREQ5# ==> WWAN_CLKREQ_ODL */
+ PAD_NC(GPP_H23, NONE),
+ /* GPD11 : LANPHYC ==> WWAN_CONFIG1 */
+ PAD_NC(GPD11, NONE),
+};
+
static void enable_i2s(void)
{
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
@@ -155,5 +178,10 @@ static void fw_config_handle(void *unused)
if (fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S)))
gpio_configure_pads(nau8318_enable_pads, ARRAY_SIZE(nau8318_enable_pads));
}
+
+ if (fw_config_probe(FW_CONFIG(DB_LTE, LTE_ABSENT))) {
+ printk(BIOS_INFO, "Disable LTE related GPIO pins.\n");
+ gpio_configure_pads(lte_disable_pads, ARRAY_SIZE(lte_disable_pads));
+ }
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);