GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

veyron_rialto: Force 3G modem off 

This basically does the same thing for firmware what CL:290631
did in the kernel. We want to keep the modem off until it needs
to be used to avoid enumeration/detection issues.

BUG=chrome-os-partner:43271
BRANCH=none
TEST=needs testing

Change-Id: I3b63a77c732dc4895b728b30f1dd71210a9c0e90
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Original-Commit-Id: a90ccd7fbffe44abe05e96341cc77067442c85e4
Original-Change-Id: I3516de1ea9160f7186ad7f5fb3b5d29ac73143b5
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/290890
Original-Reviewed-by: Alexandru Stan <amstan@chromium.org>
Reviewed-on: http://review.coreboot.org/11385
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
David Hendricks 2015-08-05 14:13:34 -07:00 committed by Patrick Georgi
parent 50967870a9
commit bf62b8cc8b
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/mainboard/google/veyron_rialto/mainboard.c
View File

@ -72,6 +72,14 @@ static void configure_codec(void)
rkclk_configure_i2s(12288000);
}
static void configure_3g(void)
{
/* Force 3G modem off to avoid confusing the EHCI host and
* causing problems during enumeration/init */
gpio_output(GPIO(5, C, 1), 1); /* 3G_SHUTDOWN */
gpio_output(GPIO(4, D, 2), 0); /* 3G_ON_OFF */
}
static void mainboard_init(device_t dev)
{
gpio_output(GPIO_RESET, 0);
@ -79,6 +87,7 @@ static void mainboard_init(device_t dev)
configure_usb();
configure_emmc();
configure_codec();
configure_3g();
/* No video. */
elog_init();