mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
8aea45a745
The size dram node need to be deduced by the same amount of reserved space. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>
75 lines
1.6 KiB
C
75 lines
1.6 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 <dm/uclass-internal.h>
|
|
#include <asm/arch/periph.h>
|
|
#include <power/regulator.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int board_init(void)
|
|
{
|
|
struct udevice *pinctrl, *regulator;
|
|
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;
|
|
}
|
|
|
|
/* rk3399 need init vdd_center to get correct output voltage */
|
|
ret = regulator_get_by_platname("vdd_center", ®ulator);
|
|
if (ret)
|
|
debug("%s: Cannot get vdd_center regulator\n", __func__);
|
|
|
|
ret = regulator_get_by_platname("vcc5v0_host", ®ulator);
|
|
if (ret) {
|
|
debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
|
|
goto out;
|
|
}
|
|
|
|
ret = regulator_set_enable(regulator, true);
|
|
if (ret) {
|
|
debug("%s vcc5v0-host-en set 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 = 0x7e000000;
|
|
}
|