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mb/google/ampton: Fix polarity of EN_PP3300_WLAN_L signal. 

WiFi enable signal was configured and driven as active-high, but the signal is                            |To start the server in this Emacs process, stop the existing
actually active-low

BUG=b:130196983
BRANCH=none
TEST=Verified WiFi still works after boot, and also after a suspend/resume cycle.  Device powers down correctly using "poweroff".

Change-Id: I64a67f73564188ad0548a1a770169ef2bca47453
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32255
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak 2019-04-09 10:22:38 -06:00 committed by Patrick Georgi
parent 0043a3db20
commit 7fd1845991
1 changed files with 5 additions and 3 deletions
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8
src/mainboard/google/octopus/variants/ampton/gpio.c
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@ -246,7 +246,9 @@ static const struct pad_config gpio_table[] = {
/* SCC COMMUNITY GPIOS */
PAD_NC(GPIO_176, UP_20K), /* SMB_ALERTB -- unused */
PAD_NC(GPIO_177, UP_20K), /* SMB_CLK -- unused */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_178, 1, DEEP, NONE, Tx1RxDCRx0, DISPUPD), /* EN_PP3300_WLAN */
/* EN_PP3300_WLAN_L */
PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_178, 1, DEEP, NONE, Tx0RxDCRx0,
DISPUPD),
PAD_NC(GPIO_179, NONE), /* SDCARD_CLK -- unused */
PAD_NC(GPIO_180, NONE), /* SDCARD_CMD -- unused */
PAD_NC(GPIO_181, UP_20K), /* SDCARD_D0 -- unused */
@ -305,11 +307,11 @@ static const struct pad_config early_gpio_table[] = {
PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1), /* H1_SLAVE_SPI_MOSI_R */
/* Enable power to wifi early in bootblock and de-assert PERST#. */
PAD_CFG_GPO(GPIO_178, 1, DEEP), /* EN_PP3300_WLAN */
PAD_CFG_GPO(GPIO_178, 0, DEEP), /* EN_PP3300_WLAN_L */
PAD_CFG_GPO(GPIO_164, 0, DEEP), /* WLAN_PE_RST */
/*
* ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak
* ESPI_IO1 acts as ALERT# (which is open-drain) and requires a weak
* pull-up for proper operation. Since there is no external pull present
* on this platform, configure an internal weak pull-up.
*/