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authorLijian Zhao <lijian.zhao@intel.com>2018-11-01 16:52:20 -0700
committerPatrick Georgi <pgeorgi@google.com>2018-11-05 09:13:59 +0000
commit7ca21c102405f5526dc6b2ab786924e2f08a3c63 (patch)
tree79190e7e2e05532342e0d9bdb1ab34441e8d0a2a /src/mainboard/google
parent6c36d151a81dbfa1f1e2a5d47dd87f2e53534bc7 (diff)
downloadcoreboot-7ca21c102405f5526dc6b2ab786924e2f08a3c63.tar.xz
mb/google/sarien: Enable WWAN detection
WWAN start-up control requires RESET# assert after FULL_CARD_POWER_OFF# set to high more than 10 ms, so force RESET#(GPP_D21) to low at bootblock stage to match the sequence. BUG=N/A TEST=Boot up Sarien/Arcada board, check WWAN get detected as USB devices through lsusb. Change-Id: I36eb841a2e8f2b36771d20577314a7451fbee133 Signed-off-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-on: https://review.coreboot.org/29430 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/sarien/variants/arcada/gpio.c2
-rw-r--r--src/mainboard/google/sarien/variants/sarien/gpio.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/sarien/variants/arcada/gpio.c b/src/mainboard/google/sarien/variants/arcada/gpio.c
index 86da3ec97f..eb4ee7660b 100644
--- a/src/mainboard/google/sarien/variants/arcada/gpio.c
+++ b/src/mainboard/google/sarien/variants/arcada/gpio.c
@@ -234,6 +234,8 @@ static const struct pad_config early_gpio_table[] = {
/* I2C4_SCL */ PAD_CFG_NF(GPP_H9, NONE, DEEP, NF1), /* I2C_SCL_H1 */
/* DMIC_DATA1 */ PAD_CFG_GPI_APIC(GPP_D18, NONE, DEEP,
EDGE_SINGLE, INVERT), /* H1_PCH_INT_ODL */
+/* RESET# need to stay low before FULL_CARD_POWER_OFF assert */
+/* SPI1_IO2 */ PAD_CFG_GPO(GPP_D21, 0, DEEP), /* WWAN_BB_RST# */
/* CPU_GP0 */ PAD_CFG_GPI(GPP_E3, NONE, DEEP), /* MEM_INTERLEAVED */
/* SATALED# */ PAD_CFG_GPI(GPP_E8, NONE, DEEP), /* RECOVERY# */
/* DDPD_HPD2 */ PAD_CFG_GPI(GPP_E15, NONE, DEEP), /* PCH_WP */
diff --git a/src/mainboard/google/sarien/variants/sarien/gpio.c b/src/mainboard/google/sarien/variants/sarien/gpio.c
index 3656afb13e..690af1f8ca 100644
--- a/src/mainboard/google/sarien/variants/sarien/gpio.c
+++ b/src/mainboard/google/sarien/variants/sarien/gpio.c
@@ -234,6 +234,8 @@ static const struct pad_config early_gpio_table[] = {
/* I2C4_SCL */ PAD_CFG_NF(GPP_H9, NONE, DEEP, NF1), /* I2C_SCL_H1 */
/* DMIC_DATA1 */ PAD_CFG_GPI_APIC(GPP_D18, NONE, DEEP,
EDGE_SINGLE, INVERT), /* H1_PCH_INT_ODL */
+/* RESET# need to stay low before FULL_CARD_POWER_OFF assert */
+/* SPI1_IO2 */ PAD_CFG_GPO(GPP_D21, 0, DEEP), /* WWAN_BB_RST# */
/* CPU_GP0 */ PAD_CFG_GPI(GPP_E3, NONE, DEEP), /* MEM_INTERLEAVED */
/* SATALED# */ PAD_CFG_GPI(GPP_E8, NONE, DEEP), /* RECOVERY */
/* DDPD_HPD2 */ PAD_CFG_GPI(GPP_E15, NONE, DEEP), /* H1_FLASH_WP */