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google/gru: Correct the Sdcard control gpio setting for Scarlet 

in Scarlet the Sdcard control gpio differs from other
board variants, So set the GPIO to high on Scarlet.

Change-Id: I5fa19b212a716213462eea58b6242392d32a2c5c
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://review.coreboot.org/20803
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Lin Huang 2017-07-25 09:50:10 +08:00 committed by Julius Werner
parent 05c3e84622
commit a2c5b2f252
1 changed files with 16 additions and 4 deletions
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20
src/mainboard/google/gru/mainboard.c
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@ -167,13 +167,25 @@ static void configure_sdmmc(void)
{
gpio_output(GPIO(2, A, 2), 1); /* SDMMC_SDIO_PWR_EN */
/* SDMMC_DET_L is different on Kevin board revision 0. */
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN) && (board_id() == 0))
gpio_input(GPIO(4, D, 2));
/* set SDMMC_DET_L pin */
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET))
/*
* do not have external pull up, so need to
* set this pin internal pull up
*/
gpio_input_pullup(GPIO(1, B, 3));
else
gpio_input(GPIO(4, D, 0));
gpio_output(GPIO(2, D, 4), 0); /* Keep the max voltage */
/*
* Keep sd card io domain 3v
* In Scarlet this GPIO set to high will get 3v,
* With other board variants setting this GPIO low results in 3V.
*/
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_SCARLET))
gpio_output(GPIO(2, D, 4), 1);
else
gpio_output(GPIO(2, D, 4), 0);
gpio_input(GPIO(4, B, 0)); /* SDMMC0_D0 remove pull-up */
gpio_input(GPIO(4, B, 1)); /* SDMMC0_D1 remove pull-up */