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google/gru: kevin: use board version specific SD detect GPIO pin 

This change reflects Kevin schematics differences, Gru will have to be
addressed separately.

BRANCH=None
BUG=None
TEST=the code still works fine on Kevin proto 1.

Change-Id: Iecae0e82e6bd4d185b49587b6053dcef8ad2162d
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e821bbebe902a293b1e78cdd868f6bf3548ddd30
Original-Change-Id: Icd606285aeca1e19189f5e3d24c09b376942708b
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/340429
Original-Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: https://review.coreboot.org/14728
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Vadim Bendebury 2016-04-22 12:25:07 -07:00 committed by Patrick Georgi
parent 04884b65cc
commit 8e8a00cabf
1 changed files with 15 additions and 1 deletions
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16
src/mainboard/google/gru/mainboard.c
View File

@ -14,6 +14,7 @@
* *
*/ */
#include <boardid.h>
#include <device/device.h> #include <device/device.h>
#include <gpio.h> #include <gpio.h>
#include <soc/clock.h> #include <soc/clock.h>
@ -23,8 +24,21 @@ static void configure_sdmmc(void)
{ {
gpio_output(GPIO(4, D, 5), 1); /* SDMMC_PWR_EN */ gpio_output(GPIO(4, D, 5), 1); /* SDMMC_PWR_EN */
gpio_output(GPIO(2, A, 2), 1); /* SDMMC_SDIO_PWR_EN */ gpio_output(GPIO(2, A, 2), 1); /* SDMMC_SDIO_PWR_EN */
gpio_input(GPIO(4, D, 2)); /* SDMMC_DET_L */ /*
* SDMMC_DET_L is different on different board revisions.
* Ideally this and other deviations should come from a table
* which could be looked up by board revision.
*/
switch (board_id()) {
case 0: /* This is for Kevin proto 1. */
gpio_input(GPIO(4, D, 2));
break;
default:
gpio_input(GPIO(4, D, 0));
break;
}
gpio_output(GPIO(2, D, 4), 0); /* Keep the max voltage */ gpio_output(GPIO(2, D, 4), 0); /* Keep the max voltage */
write32(&rk3399_grf->iomux_sdmmc, IOMUX_SDMMC); write32(&rk3399_grf->iomux_sdmmc, IOMUX_SDMMC);
} }