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

veyron_danger: EDP changes for v2 

EDP-related hardware modifications for v2:
- BL_EN moved from GPIO7_A3 to GPIO7_A2
- EDP_HPD added to GPIO7_B3

BUG=none
BRANCH=none
TEST=built and booted Danger v2 with EDP panel attached, saw dev
mode screen come up

Change-Id: I47383610082b371a612aced656e56f1bd1cfa098
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: fb939ff17cca7bbd24aabfdb3cbd444696a5a845
Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: Id271cdcfcde6fa84c1bb707b9842bddd77a7121b
Original-Reviewed-on: https://chromium-review.googlesource.com/280855
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/10771
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
David Hendricks 2015-06-01 15:17:24 -07:00 committed by Patrick Georgi
parent d8a3ed49a5
commit a1e5a7761a
1 changed files with 24 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/mainboard/google/veyron_danger/mainboard.c
View File

@ -99,10 +99,32 @@ static void configure_vop(void)
* To minimize display corruption, turn off LCDC_BL before
* powering on the backlight.
*/
gpio_output(GPIO_BACKLIGHT, 1); /* BL_EN */
gpio_output(GPIO_LCDC_BL, 0);
switch (board_id()) {
case 0:
gpio_output(GPIO(7, A, 3), 1);
break;
default:
gpio_output(GPIO(7, A, 2), 1);
break;
}
gpio_output(GPIO_LCDC_BL, 0);
rk808_configure_switch(1, 1); /* VCC33_LCD */
/* EDP_HPD setup */
switch (board_id()) {
case 0:
/* not present */
break;
default:
/* Unlike other Veyrons, Danger has external pull resistors on
* EDP_HPD. Default for GPIO(7, B, 3) is pull-down, set to
* float.
*/
gpio_input(GPIO(7, B, 3));
write32(&rk3288_grf->iomux_edp_hotplug, IOMUX_EDP_HOTPLUG);
break;
}
}
static void configure_hdmi(void)