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/*
* (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <misc.h>
#include <ram.h>
#include <dm/pinctrl.h>
#include <dm/uclass-internal.h>
#include <asm/arch/periph.h>
#include <power/regulator.h>
#include <u-boot/sha256.h>
DECLARE_GLOBAL_DATA_PTR;
#define RK3399_CPUID_OFF 0x7
#define RK3399_CPUID_LEN 0x10
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
struct udevice *pinctrl, *regulator;
int ret;
/*
* The PWM does 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 regulators.
*/
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;
}
/* rk3399 need to init vdd_center to get the 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)
{
struct ram_info ram;
struct udevice *dev;
int ret;
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret) {
debug("DRAM init failed: %d\n", ret);
return ret;
}
ret = ram_get_info(dev, &ram);
if (ret) {
debug("Cannot get DRAM size: %d\n", ret);
return ret;
}
debug("SDRAM base=%llx, size=%x\n", ram.base, (unsigned int)ram.size);
gd->ram_size = ram.size;
return 0;
}
int dram_init_banksize(void)
{
/* Reserve 0x200000 for ATF bl31 */
gd->bd->bi_dram[0].start = 0x200000;
gd->bd->bi_dram[0].size = 0x7e000000;
return 0;
}
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