u-boot-brain/board/rockchip/evb_rk3399/evb-rk3399.c
Kever Yang ad0513828e rk3399: enable the pwm2/3 pinctrl in board init
There is no interrupt line for each PWM which used by pinctrl to get the
periph_id, so it's not able to enable the default pinctrl setting by pinctrl
framework, let's enable it at board_init().

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2016-09-22 07:32:22 -06:00

57 lines
1.1 KiB
C

/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <dm/pinctrl.h>
#include <asm/arch/periph.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
struct udevice *pinctrl;
int ret;
/*
* The PWM do not have decicated interrupt number in dts and can
* not get periph_id by pinctrl framework, so let's init them here.
* The PWM2 and PWM3 are for pwm regulater.
*/
ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
if (ret) {
debug("%s: Cannot find pinctrl device\n", __func__);
goto out;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
if (ret) {
debug("%s PWM2 pinctrl init fail!\n", __func__);
goto out;
}
ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
if (ret) {
debug("%s PWM3 pinctrl init fail!\n", __func__);
goto out;
}
out:
return 0;
}
int dram_init(void)
{
gd->ram_size = 0x80000000;
return 0;
}
void dram_init_banksize(void)
{
/* Reserve 0x200000 for ATF bl31 */
gd->bd->bi_dram[0].start = 0x200000;
gd->bd->bi_dram[0].size = 0x80000000;
}