sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mainboard/google/reef: support WLAN_PE_RST

Browse Source 
The reef DVT build added another way to assert the wifi module's
reset line. Ensure it's deasserted by default. For previous boards
this GPIO doesn't matter because it wasn't routed anyway.

BUG=chrome-os-partner:56737

Change-Id: I63e97b091ca0a278682c883303b1d7e052d8e677
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/16373
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Aaron Durbin 2016-08-30 16:36:46 -05:00
parent a795ae1392
commit 0577a1e9d3
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/mainboard/google/reef/gpio.h
View File

@ -271,7 +271,8 @@ static const struct pad_config gpio_table[] = {
PAD_CFG_GPI(GPIO_119, UP_20K, DEEP), /* SIO_SPI_2_FS0 */
PAD_CFG_GPI(GPIO_120, UP_20K, DEEP), /* SIO_SPI_2_FS1 */
PAD_CFG_GPI(GPIO_121, UP_20K, DEEP), /* SIO_SPI_2_FS2 */
PAD_CFG_GPI(GPIO_122, UP_20K, DEEP), /* SIO_SPI_2_RXD */
/* WLAN_PE_RST - default to deasserted. */
PAD_CFG_GPO(GPIO_122, 0, DEEP), /* SIO_SPI_2_RXD */
PAD_CFG_GPI(GPIO_123, UP_20K, DEEP), /* SIO_SPI_2_TXD */
/* Debug tracing. */
@ -348,6 +349,8 @@ static const struct pad_config early_gpio_table[] = {
/* I2C2 - TPM */
PAD_CFG_NF(GPIO_128, UP_2K, DEEP, NF1), /* LPSS_I2C2_SDA */
PAD_CFG_NF(GPIO_129, UP_2K, DEEP, NF1), /* LPSS_I2C2_SCL */
/* WLAN_PE_RST - default to deasserted just in case FSP misbehaves. */
PAD_CFG_GPO(GPIO_122, 0, DEEP), /* SIO_SPI_2_RXD */
};
/* GPIO settings before entering sleep. */