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Commit | Line | Data |
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a381bcf5 KY |
1 | /* |
2 | * (C) Copyright 2016 Rockchip Electronics Co., Ltd | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
fb740646 | 6 | |
a381bcf5 | 7 | #include <common.h> |
ad051382 KY |
8 | #include <dm.h> |
9 | #include <dm/pinctrl.h> | |
be3fcd0f | 10 | #include <dm/uclass-internal.h> |
ad051382 | 11 | #include <asm/arch/periph.h> |
05c6e30c | 12 | #include <power/regulator.h> |
fb740646 | 13 | #include <spl.h> |
a381bcf5 KY |
14 | |
15 | DECLARE_GLOBAL_DATA_PTR; | |
16 | ||
17 | int board_init(void) | |
18 | { | |
05c6e30c | 19 | struct udevice *pinctrl, *regulator; |
ad051382 KY |
20 | int ret; |
21 | ||
22 | /* | |
23 | * The PWM do not have decicated interrupt number in dts and can | |
24 | * not get periph_id by pinctrl framework, so let's init them here. | |
25 | * The PWM2 and PWM3 are for pwm regulater. | |
26 | */ | |
27 | ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); | |
28 | if (ret) { | |
29 | debug("%s: Cannot find pinctrl device\n", __func__); | |
30 | goto out; | |
31 | } | |
32 | ||
028d6849 EG |
33 | /* Enable pwm0 for panel backlight */ |
34 | ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0); | |
35 | if (ret) { | |
36 | debug("%s PWM0 pinctrl init fail! (ret=%d)\n", __func__, ret); | |
37 | goto out; | |
38 | } | |
39 | ||
ad051382 KY |
40 | ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2); |
41 | if (ret) { | |
42 | debug("%s PWM2 pinctrl init fail!\n", __func__); | |
43 | goto out; | |
44 | } | |
45 | ||
46 | ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3); | |
47 | if (ret) { | |
48 | debug("%s PWM3 pinctrl init fail!\n", __func__); | |
49 | goto out; | |
50 | } | |
51 | ||
400b4acf | 52 | ret = regulators_enable_boot_on(false); |
be3fcd0f | 53 | if (ret) |
400b4acf | 54 | debug("%s: Cannot enable boot on regulator\n", __func__); |
be3fcd0f | 55 | |
05c6e30c KY |
56 | ret = regulator_get_by_platname("vcc5v0_host", ®ulator); |
57 | if (ret) { | |
58 | debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret); | |
59 | goto out; | |
60 | } | |
61 | ||
62 | ret = regulator_set_enable(regulator, true); | |
63 | if (ret) { | |
64 | debug("%s vcc5v0-host-en set fail!\n", __func__); | |
65 | goto out; | |
66 | } | |
67 | ||
ad051382 | 68 | out: |
a381bcf5 KY |
69 | return 0; |
70 | } | |
fb740646 PT |
71 | |
72 | void spl_board_init(void) | |
73 | { | |
74 | struct udevice *pinctrl; | |
75 | int ret; | |
76 | ||
77 | ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); | |
78 | if (ret) { | |
79 | debug("%s: Cannot find pinctrl device\n", __func__); | |
80 | goto err; | |
81 | } | |
82 | ||
83 | /* Enable debug UART */ | |
84 | ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG); | |
85 | if (ret) { | |
86 | debug("%s: Failed to set up console UART\n", __func__); | |
87 | goto err; | |
88 | } | |
89 | ||
90 | preloader_console_init(); | |
91 | return; | |
92 | err: | |
93 | printf("%s: Error %d\n", __func__, ret); | |
94 | ||
95 | /* No way to report error here */ | |
96 | hang(); | |
97 | } |