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Simon Glassc65dc7d2015-08-03 08:19:27 -06001/*
2 * Copyright (C) 2012 Samsung Electronics
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
8#include <dm.h>
9#include <dwc3-uboot.h>
10#include <fdtdec.h>
11#include <asm/io.h>
12#include <errno.h>
13#include <i2c.h>
14#include <mmc.h>
15#include <netdev.h>
16#include <samsung-usb-phy-uboot.h>
17#include <spi.h>
18#include <usb.h>
19#include <video_bridge.h>
20#include <asm/gpio.h>
21#include <asm/arch/cpu.h>
22#include <asm/arch/dwmmc.h>
23#include <asm/arch/mmc.h>
24#include <asm/arch/pinmux.h>
25#include <asm/arch/power.h>
26#include <asm/arch/sromc.h>
27#include <power/pmic.h>
28#include <power/max77686_pmic.h>
29#include <power/regulator.h>
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +010030#include <power/s2mps11.h>
Simon Glassc65dc7d2015-08-03 08:19:27 -060031#include <power/s5m8767.h>
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +010032#include <samsung/exynos5-dt-types.h>
33#include <samsung/misc.h>
Simon Glassc65dc7d2015-08-03 08:19:27 -060034#include <tmu.h>
35
36DECLARE_GLOBAL_DATA_PTR;
37
38static void board_enable_audio_codec(void)
39{
40 int node, ret;
41 struct gpio_desc en_gpio;
42
43 node = fdtdec_next_compatible(gd->fdt_blob, 0,
44 COMPAT_SAMSUNG_EXYNOS5_SOUND);
45 if (node <= 0)
46 return;
47
Simon Glass150c5af2017-05-30 21:47:09 -060048 ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
Simon Glassc65dc7d2015-08-03 08:19:27 -060049 "codec-enable-gpio", 0, &en_gpio,
50 GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
51 if (ret == -FDT_ERR_NOTFOUND)
52 return;
53
54 /* Turn on the GPIO which connects to the codec's "enable" line. */
55 gpio_set_pull(gpio_get_number(&en_gpio), S5P_GPIO_PULL_NONE);
56
57#ifdef CONFIG_SOUND_MAX98095
58 /* Enable MAX98095 Codec */
59 gpio_request(EXYNOS5_GPIO_X17, "max98095_enable");
60 gpio_direction_output(EXYNOS5_GPIO_X17, 1);
61 gpio_set_pull(EXYNOS5_GPIO_X17, S5P_GPIO_PULL_NONE);
62#endif
63}
64
65int exynos_init(void)
66{
67 board_enable_audio_codec();
68
69 return 0;
70}
71
72static int exynos_set_regulator(const char *name, uint uv)
73{
74 struct udevice *dev;
75 int ret;
76
77 ret = regulator_get_by_platname(name, &dev);
78 if (ret) {
79 debug("%s: Cannot find regulator %s\n", __func__, name);
80 return ret;
81 }
82 ret = regulator_set_value(dev, uv);
83 if (ret) {
84 debug("%s: Cannot set regulator %s\n", __func__, name);
85 return ret;
86 }
87
88 return 0;
89}
90
91int exynos_power_init(void)
92{
93 struct udevice *dev;
94 int ret;
95
96 ret = pmic_get("max77686", &dev);
97 if (!ret) {
98 /* TODO(sjg@chromium.org): Move into the clock/pmic API */
99 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
100 MAX77686_32KHCP_EN);
101 if (ret)
102 return ret;
103 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
104 MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
105 if (ret)
106 return ret;
107 } else {
108 ret = pmic_get("s5m8767-pmic", &dev);
109 /* TODO(sjg@chromium.org): Use driver model to access clock */
110#ifdef CONFIG_PMIC_S5M8767
111 if (!ret)
112 s5m8767_enable_32khz_cp(dev);
113#endif
114 }
115 if (ret == -ENODEV)
116 return 0;
117
118 ret = regulators_enable_boot_on(false);
119 if (ret)
120 return ret;
121
122 ret = exynos_set_regulator("vdd_mif", 1100000);
123 if (ret)
124 return ret;
125
Sjoerd Simons701e7402017-01-10 12:28:57 +0100126 ret = exynos_set_regulator("vdd_arm", 1300000);
Simon Glassc65dc7d2015-08-03 08:19:27 -0600127 if (ret)
128 return ret;
129 ret = exynos_set_regulator("vdd_int", 1012500);
130 if (ret)
131 return ret;
132 ret = exynos_set_regulator("vdd_g3d", 1200000);
133 if (ret)
134 return ret;
135
136 return 0;
137}
138
139int board_get_revision(void)
140{
141 return 0;
142}
143
Simon Glassc65dc7d2015-08-03 08:19:27 -0600144#ifdef CONFIG_USB_DWC3
145static struct dwc3_device dwc3_device_data = {
146 .maximum_speed = USB_SPEED_SUPER,
147 .base = 0x12400000,
148 .dr_mode = USB_DR_MODE_PERIPHERAL,
149 .index = 0,
150};
151
152int usb_gadget_handle_interrupts(void)
153{
154 dwc3_uboot_handle_interrupt(0);
155 return 0;
156}
157
158int board_usb_init(int index, enum usb_init_type init)
159{
160 struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
161 samsung_get_base_usb3_phy();
162
163 if (!phy) {
Masahiro Yamada9b643e32017-09-16 14:10:41 +0900164 pr_err("usb3 phy not supported");
Simon Glassc65dc7d2015-08-03 08:19:27 -0600165 return -ENODEV;
166 }
167
168 set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
169 exynos5_usb3_phy_init(phy);
170
171 return dwc3_uboot_init(&dwc3_device_data);
172}
173#endif
174#ifdef CONFIG_SET_DFU_ALT_INFO
175char *get_dfu_alt_system(char *interface, char *devstr)
176{
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +0100177 char *info = "Not supported!";
178
Marek Szyprowski7090ead2017-11-03 09:30:30 +0100179 if (board_is_odroidxu4() || board_is_odroidhc1())
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +0100180 return info;
181
Simon Glass00caae62017-08-03 12:22:12 -0600182 return env_get("dfu_alt_system");
Simon Glassc65dc7d2015-08-03 08:19:27 -0600183}
184
185char *get_dfu_alt_boot(char *interface, char *devstr)
186{
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +0100187 char *info = "Not supported!";
Simon Glassc65dc7d2015-08-03 08:19:27 -0600188 struct mmc *mmc;
189 char *alt_boot;
190 int dev_num;
191
Marek Szyprowski7090ead2017-11-03 09:30:30 +0100192 if (board_is_odroidxu4() || board_is_odroidhc1())
Przemyslaw Marczak1611c8c2015-10-27 13:08:05 +0100193 return info;
194
Simon Glassc65dc7d2015-08-03 08:19:27 -0600195 dev_num = simple_strtoul(devstr, NULL, 10);
196
197 mmc = find_mmc_device(dev_num);
198 if (!mmc)
199 return NULL;
200
201 if (mmc_init(mmc))
202 return NULL;
203
204 if (IS_SD(mmc))
205 alt_boot = CONFIG_DFU_ALT_BOOT_SD;
206 else
207 alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
208
209 return alt_boot;
210}
211#endif