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rockchip: gru: pass reset gpio parameter to BL31 

To support gpio reset SOC, we need to pass the reset gpio
parameter to BL31. Note: request BL31 have supported this
function.

BRANCH=None
BUG=chrome-os-partner:51924
TEST=Build gru

Change-Id: I182cff11ce6f5dc3354db0dc053c128b813acf9f
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id:
Original-Change-Id: I8283596565d552b1f3db31c28621a1601c226999
Original-Signed-off-by: Lin Huang <hl@rock-chips.com>
Original-Signed-off-by: Douglas Anderson <dianders@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/349702
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/15118
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Lin Huang 2016-05-17 15:45:53 +08:00 committed by Martin Roth
parent 8f1f982565
commit 5a4be8a2c7
1 changed files with 19 additions and 0 deletions
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19
src/mainboard/google/gru/mainboard.c
View File

@ -19,6 +19,7 @@
#include <device/device.h>
#include <device/i2c.h>
#include <gpio.h>
#include <soc/bl31_plat_params.h>
#include <soc/clock.h>
#include <soc/display.h>
#include <soc/emmc.h>
@ -44,6 +45,23 @@ static void configure_emmc(void)
enable_emmc_clk();
}
static void register_reset_to_bl31(void)
{
static struct bl31_gpio_param param_reset = {
.h = {
.type = PARAM_RESET,
},
.gpio = {
.polarity = 1,
},
};
/* gru/kevin reset pin: gpio0b3 */
param_reset.gpio.index = GET_GPIO_NUM(GPIO_RESET),
register_bl31_param(&param_reset.h);
}
static void configure_sdmmc(void)
{
gpio_output(GPIO(4, D, 5), 1); /* SDMMC_PWR_EN */
@ -132,6 +150,7 @@ static void mainboard_init(device_t dev)
configure_codec();
configure_display();
setup_usb();
register_reset_to_bl31();
}
static void enable_backlight_booster(void)