1 /*
2  * (C) Copyright 2016 Rockchip Electronics Co., Ltd
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 #include <common.h>
7 #include <dm.h>
8 #include <dm/pinctrl.h>
9 #include <dm/uclass-internal.h>
10 #include <asm/arch/periph.h>
11 #include <power/regulator.h>
12 
13 DECLARE_GLOBAL_DATA_PTR;
14 
15 int board_init(void)
16 {
17 	struct udevice *pinctrl, *regulator;
18 	int ret;
19 
20 	/*
21 	 * The PWM do not have decicated interrupt number in dts and can
22 	 * not get periph_id by pinctrl framework, so let's init them here.
23 	 * The PWM2 and PWM3 are for pwm regulater.
24 	 */
25 	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
26 	if (ret) {
27 		debug("%s: Cannot find pinctrl device\n", __func__);
28 		goto out;
29 	}
30 
31 	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
32 	if (ret) {
33 		debug("%s PWM2 pinctrl init fail!\n", __func__);
34 		goto out;
35 	}
36 
37 	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3);
38 	if (ret) {
39 		debug("%s PWM3 pinctrl init fail!\n", __func__);
40 		goto out;
41 	}
42 
43 	/* rk3399 need init vdd_center to get correct output voltage */
44 	ret = regulator_get_by_platname("vdd_center", &regulator);
45 	if (ret)
46 		debug("%s: Cannot get vdd_center regulator\n", __func__);
47 
48 	ret = regulator_get_by_platname("vcc5v0_host", &regulator);
49 	if (ret) {
50 		debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
51 		goto out;
52 	}
53 
54 	ret = regulator_set_enable(regulator, true);
55 	if (ret) {
56 		debug("%s vcc5v0-host-en set fail!\n", __func__);
57 		goto out;
58 	}
59 
60 out:
61 	return 0;
62 }
63 
64 int dram_init(void)
65 {
66 	gd->ram_size = 0x80000000;
67 	return 0;
68 }
69 
70 void dram_init_banksize(void)
71 {
72 	/* Reserve 0x200000 for ATF bl31 */
73 	gd->bd->bi_dram[0].start = 0x200000;
74 	gd->bd->bi_dram[0].size = 0x80000000;
75 }
76