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mb/google/sarien: Enable WWAN detection 

Set WWAN_GPIO_PERST#(GPP_D22) to low at bootblock stage to meet
the logic output for WWAN_PERST#_R to high.

BUG=120004153
TEST=Boot up Sarien board, check WWAN get detected as USB
devices through lsusb.

Change-Id: I16f1101c64dfd4dcb5e8342fdb925951f6f2f90b
Signed-off-by: Amanda Huang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/30017
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Amanda Huang 2018-12-03 17:51:16 +08:00 committed by Patrick Georgi
parent a09c2e1624
commit d08c730198
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/sarien/variants/sarien/gpio.c
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@ -121,7 +121,7 @@ static const struct pad_config gpio_table[] = {
/* DMIC_CLK0 */ PAD_NC(GPP_D19, NONE),
/* DMIC_DATA0 */ PAD_NC(GPP_D20, NONE),
/* SPI1_IO2 */ PAD_CFG_GPO(GPP_D21, 1, DEEP), /* WWAN_BB_RST# */
/* SPI1_IO3 */ PAD_CFG_GPO(GPP_D22, 1, DEEP), /* WWAN_GPIO_PERST# */
/* SPI1_IO3 */ PAD_CFG_GPO(GPP_D22, 0, DEEP), /* WWAN_GPIO_PERST# */
/* I2S_MCLK */ PAD_CFG_GPI_SCI_LOW(GPP_D23, NONE, DEEP,
EDGE_SINGLE), /* WWAN_GPIO_WAKE# */