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a381bcf5 KY |
1 | /* |
2 | * (C) Copyright 2016 Rockchip Electronics Co., Ltd | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | #include <common.h> | |
ad051382 KY |
7 | #include <dm.h> |
8 | #include <dm/pinctrl.h> | |
be3fcd0f | 9 | #include <dm/uclass-internal.h> |
ad051382 | 10 | #include <asm/arch/periph.h> |
05c6e30c | 11 | #include <power/regulator.h> |
a381bcf5 KY |
12 | |
13 | DECLARE_GLOBAL_DATA_PTR; | |
14 | ||
15 | int board_init(void) | |
16 | { | |
05c6e30c | 17 | struct udevice *pinctrl, *regulator; |
ad051382 KY |
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 | ||
be3fcd0f KY |
43 | /* rk3399 need init vdd_center to get correct output voltage */ |
44 | ret = regulator_get_by_platname("vdd_center", ®ulator); | |
45 | if (ret) | |
46 | debug("%s: Cannot get vdd_center regulator\n", __func__); | |
47 | ||
05c6e30c KY |
48 | ret = regulator_get_by_platname("vcc5v0_host", ®ulator); |
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 | ||
ad051382 | 60 | out: |
a381bcf5 KY |
61 | return 0; |
62 | } | |
63 | ||
64 | int dram_init(void) | |
65 | { | |
66 | gd->ram_size = 0x80000000; | |
67 | return 0; | |
68 | } | |
69 | ||
76b00aca | 70 | int dram_init_banksize(void) |
a381bcf5 | 71 | { |
633fdab0 KY |
72 | /* Reserve 0x200000 for ATF bl31 */ |
73 | gd->bd->bi_dram[0].start = 0x200000; | |
8aea45a7 | 74 | gd->bd->bi_dram[0].size = 0x7e000000; |
76b00aca SG |
75 | |
76 | return 0; | |
a381bcf5 | 77 | } |