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authorTristan Shieh <tristan.shieh@mediatek.com>2019-02-25 17:14:14 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-09-17 08:15:12 +0000
commit4d990ab1bb27a4e5b8d5cb0c817e69e4f5cae241 (patch)
tree78b878a716c7b1d3d5cf5a41f7973736eff69f70 /src/mainboard/google
parent99f83bbad4a7e060e05c3bb26203f92c1817445a (diff)
downloadcoreboot-4d990ab1bb27a4e5b8d5cb0c817e69e4f5cae241.tar.xz
google/kukui: Pass reset gpio parameter to BL31
To support gpio reset SoC, we need to pass the reset gpio parameter to BL31. BUG=b:80501386 BRANCH=none TEST=Boots correctly on Kukui and ATF(BL31) can get this parameter. Change-Id: Iefa70dc0714a9283a79f97d475b07ac047f5f3b0 Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31605 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/kukui/mainboard.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/mainboard.c b/src/mainboard/google/kukui/mainboard.c
index f34be6f51e..7b00d94ba6 100644
--- a/src/mainboard/google/kukui/mainboard.c
+++ b/src/mainboard/google/kukui/mainboard.c
@@ -14,6 +14,7 @@
*/
#include <assert.h>
+#include <bl31.h>
#include <boardid.h>
#include <bootmode.h>
#include <cbfs.h>
@@ -30,8 +31,11 @@
#include <soc/usb.h>
#include <string.h>
+#include "gpio.h"
#include "panel.h"
+#include <arm-trusted-firmware/include/export/plat/mediatek/common/plat_params_exp.h>
+
static void configure_emmc(void)
{
const gpio_t emmc_pin[] = {
@@ -172,6 +176,17 @@ static bool configure_display(void)
return true;
}
+static void register_reset_to_bl31(void)
+{
+ static struct bl_aux_param_gpio param_reset = {
+ .h = { .type = BL_AUX_PARAM_MTK_RESET_GPIO },
+ .gpio = { .polarity = ARM_TF_GPIO_LEVEL_HIGH },
+ };
+
+ param_reset.gpio.index = GPIO_RESET.id;
+ register_bl31_aux_param(&param_reset.h);
+}
+
static void mainboard_init(struct device *dev)
{
if (display_init_required()) {
@@ -186,6 +201,8 @@ static void mainboard_init(struct device *dev)
configure_emmc();
configure_usb();
configure_audio();
+
+ register_reset_to_bl31();
}
static void mainboard_enable(struct device *dev)