diff options
| author | David Hendricks <dhendrix@chromium.org> | 2015-06-01 15:17:24 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-06 09:39:25 +0200 |
| commit | a1e5a7761ad824ffd8449db02fec9274eb165bc2 (patch) | |
| tree | 50c70207815faab91092e3d1206b09a259502e3e /src/mainboard | |
| parent | d8a3ed49a59fdf54ac3f311a75dca3e94b13eb26 (diff) | |
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>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/veyron_danger/mainboard.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/mainboard/google/veyron_danger/mainboard.c b/src/mainboard/google/veyron_danger/mainboard.c index 7b06742cfc..f105d36919 100644 --- a/src/mainboard/google/veyron_danger/mainboard.c +++ b/src/mainboard/google/veyron_danger/mainboard.c @@ -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) |