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mb/google/sarien: Enable WWAN detection

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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>
This commit is contained in:
Lijian Zhao 2018-11-01 16:52:20 -07:00 committed by Patrick Georgi
parent 6c36d151a8
commit 7ca21c1024
2 changed files with 4 additions and 0 deletions
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2
src/mainboard/google/sarien/variants/arcada/gpio.c
View file

@ -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 */

2
src/mainboard/google/sarien/variants/sarien/gpio.c
View file

@ -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 */