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authorBen Lok <ben.lok@mediatek.com>2015-07-31 17:11:11 +0800
committerPatrick Georgi <pgeorgi@google.com>2016-01-22 20:07:04 +0100
commita73794024060bec9ab0560d9f2dea7b129427033 (patch)
treed016442ee1871b84c5ab01427eacc291a0229de9 /src/mainboard/google/oak
parentf764d1458d9a86e8b0abde809e41ed0889ef589e (diff)
downloadcoreboot-a73794024060bec9ab0560d9f2dea7b129427033.tar.xz
google/oak: setup usb and configure I2C level shift pin
BRANCH=none BUG=none TEST=build pass and verified on rev3 Change-Id: I3849342e59c2b022db723ef0281cdd5153ae27cb Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 495e978cd7381bd393099315ac6d60fe4446dd9f Original-Change-Id: I9626d06746e5d0bf6698a9b8e7594c58e7ff213a Original-Signed-off-by: Ben Lok <ben.lok@mediatek.com> Original-Reviewed-on: https://chromium-review.googlesource.com/292689 Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com> Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/13096 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/google/oak')
-rw-r--r--src/mainboard/google/oak/mainboard.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mainboard/google/oak/mainboard.c b/src/mainboard/google/oak/mainboard.c
index 614c965ae6..fbdddb6930 100644
--- a/src/mainboard/google/oak/mainboard.c
+++ b/src/mainboard/google/oak/mainboard.c
@@ -25,6 +25,7 @@
#include <soc/mtcmos.h>
#include <soc/pinmux.h>
#include <soc/pll.h>
+#include <soc/usb.h>
static void configure_audio(void)
{
@@ -67,6 +68,14 @@ static void configure_audio(void)
mt_pll_set_aud_div(48 * KHz);
}
+static void configure_usb(void)
+{
+ setup_usb_host();
+
+ if (board_id() > 3)
+ gpio_output(PAD_CM2MCLK, 1);
+}
+
/* Setup backlight control pins as output pin and power-off by default */
static void configure_backlight(void)
{
@@ -96,8 +105,14 @@ static void configure_backlight(void)
static void mainboard_init(device_t dev)
{
+ /* TP_SHIFT_EN: Enables the level shifter for I2C bus 4 (TPAD), which
+ * also contains the PS8640 eDP brige and the USB hub.
+ */
+ mt6391_gpio_output(MT6391_KP_ROW2, 1);
+
configure_audio();
configure_backlight();
+ configure_usb();
}
static void mainboard_enable(device_t dev)