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google/oak: Configure SD card detect pin with a pull-up

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SD card detect pins should normally have a pull-up. It seems that for
micro-SD cards this doesn't really matter all that much, but for the
full-size slots we have on some Oak-derivatives (like Hana) it does.

BRANCH=oak
BUG=b:35854317
TEST=Booted Hana, confirmed that card detect no longer seemed stuck-on.
Booted Elm and confirmed that SD card behavior didn't change.

Change-Id: I9b20e0f6fe310e724d191e36ca0a81ab4fe5f593
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c2781eeef5
Original-Change-Id: I428ac92efb07f94265673b04e0e0dd452649b9fd
Original-Signed-off-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/452861
Original-Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://review.coreboot.org/19432
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Julius Werner 2017-03-10 14:25:48 -08:00 • committed by Patrick Georgi
parent 97a9df4f77
commit d1e3b9b700
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/oak/mainboard.c
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@ -320,7 +320,7 @@ static void mainboard_init(device_t dev)
mt6391_gpio_output(MT6391_KP_ROW2, 1);
/* Config SD card detection pin */
gpio_input(PAD_EINT1); /* SD_DET */
gpio_input_pullup(PAD_EINT1); /* SD_DET */
configure_audio();