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authorHung-Te Lin <hungte@chromium.org>2018-07-23 21:26:18 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-07-30 18:50:09 +0000
commit1be16f08f293f619d7259acd245ad5290a75ba96 (patch)
treefc33ca545ad09938685381bb7cfd9d472af3bef8 /src/mainboard
parent0d3915714c85d7ac22542848c19c53bec1ca2b42 (diff)
downloadcoreboot-1be16f08f293f619d7259acd245ad5290a75ba96.tar.xz
google/kukui: Enable eMMC in bootblock.
On kukui board, the eMMC is routed to EC for boot ROM emulation when loading bootblock, and should be set back to real eMMC as early as possible after bootblock is loaded. BUG=b:80501386 TEST=make; boots and verified BOOTBLOCK_EN_L GPIO is enabled. BRANCH=None Change-Id: Ifefb2e26ed048c38595907cc0875757410129828 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://review.coreboot.org/27601 Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/kukui/bootblock.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/bootblock.c b/src/mainboard/google/kukui/bootblock.c
index 79f20a3a58..d8b5c5a59d 100644
--- a/src/mainboard/google/kukui/bootblock.c
+++ b/src/mainboard/google/kukui/bootblock.c
@@ -14,9 +14,16 @@
*/
#include <bootblock_common.h>
+#include <gpio.h>
+#include <soc/gpio.h>
#include <soc/spi.h>
+#define BOOTBLOCK_EN_L (GPIO(KPROW0))
+
void bootblock_mainboard_init(void)
{
+ /* Turn on real eMMC. */
+ gpio_output(BOOTBLOCK_EN_L, 1);
+
mtk_spi_init(CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, SPI_PAD0_MASK, 26 * MHz);
}