1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2012 Samsung Electronics
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <dwc3-uboot.h>
9 #include <env.h>
10 #include <fdtdec.h>
11 #include <log.h>
12 #include <asm/global_data.h>
13 #include <asm/io.h>
14 #include <errno.h>
15 #include <i2c.h>
16 #include <mmc.h>
17 #include <netdev.h>
18 #include <samsung-usb-phy-uboot.h>
19 #include <spi.h>
20 #include <usb.h>
21 #include <video_bridge.h>
22 #include <asm/gpio.h>
23 #include <asm/arch/cpu.h>
24 #include <asm/arch/dwmmc.h>
25 #include <asm/arch/mmc.h>
26 #include <asm/arch/pinmux.h>
27 #include <asm/arch/power.h>
28 #include <asm/arch/sromc.h>
29 #include <power/pmic.h>
30 #include <power/max77686_pmic.h>
31 #include <power/regulator.h>
32 #include <power/s2mps11.h>
33 #include <power/s5m8767.h>
34 #include <samsung/exynos5-dt-types.h>
35 #include <samsung/misc.h>
36 #include <tmu.h>
37
38 DECLARE_GLOBAL_DATA_PTR;
39
exynos_init(void)40 int exynos_init(void)
41 {
42 return 0;
43 }
44
exynos_set_regulator(const char * name,uint uv)45 static int exynos_set_regulator(const char *name, uint uv)
46 {
47 struct udevice *dev;
48 int ret;
49
50 ret = regulator_get_by_platname(name, &dev);
51 if (ret) {
52 debug("%s: Cannot find regulator %s\n", __func__, name);
53 return ret;
54 }
55 ret = regulator_set_value(dev, uv);
56 if (ret) {
57 debug("%s: Cannot set regulator %s\n", __func__, name);
58 return ret;
59 }
60
61 return 0;
62 }
63
exynos_power_init(void)64 int exynos_power_init(void)
65 {
66 struct udevice *dev;
67 int ret;
68
69 #ifdef CONFIG_PMIC_S2MPS11
70 ret = pmic_get("s2mps11_pmic@66", &dev);
71 #else
72 ret = pmic_get("max77686_pmic@09", &dev);
73 if (!ret) {
74 /* TODO(sjg@chromium.org): Move into the clock/pmic API */
75 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
76 MAX77686_32KHCP_EN);
77 if (ret)
78 return ret;
79 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
80 MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
81 if (ret)
82 return ret;
83 } else {
84 ret = pmic_get("s5m8767_pmic@66", &dev);
85 /* TODO(sjg@chromium.org): Use driver model to access clock */
86 #ifdef CONFIG_PMIC_S5M8767
87 if (!ret)
88 s5m8767_enable_32khz_cp(dev);
89 #endif
90 }
91 #endif /* CONFIG_PMIC_S2MPS11 */
92 if (ret == -ENODEV)
93 return 0;
94
95 ret = regulators_enable_boot_on(false);
96 if (ret)
97 return ret;
98
99 ret = exynos_set_regulator("vdd_mif", 1100000);
100 if (ret)
101 return ret;
102
103 ret = exynos_set_regulator("vdd_arm", 1300000);
104 if (ret)
105 return ret;
106 ret = exynos_set_regulator("vdd_int", 1012500);
107 if (ret)
108 return ret;
109 ret = exynos_set_regulator("vdd_g3d", 1200000);
110 if (ret)
111 return ret;
112
113 return 0;
114 }
115
board_get_revision(void)116 int board_get_revision(void)
117 {
118 return 0;
119 }
120
121 #ifdef CONFIG_USB_DWC3
122 static struct dwc3_device dwc3_device_data = {
123 .maximum_speed = USB_SPEED_SUPER,
124 .base = 0x12400000,
125 .dr_mode = USB_DR_MODE_PERIPHERAL,
126 .index = 0,
127 };
128
usb_gadget_handle_interrupts(void)129 int usb_gadget_handle_interrupts(void)
130 {
131 dwc3_uboot_handle_interrupt(0);
132 return 0;
133 }
134
board_usb_init(int index,enum usb_init_type init)135 int board_usb_init(int index, enum usb_init_type init)
136 {
137 struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
138 samsung_get_base_usb3_phy();
139
140 if (!phy) {
141 pr_err("usb3 phy not supported\n");
142 return -ENODEV;
143 }
144
145 set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
146 exynos5_usb3_phy_init(phy);
147
148 return dwc3_uboot_init(&dwc3_device_data);
149 }
150 #endif
151 #ifdef CONFIG_SET_DFU_ALT_INFO
get_dfu_alt_system(char * interface,char * devstr)152 char *get_dfu_alt_system(char *interface, char *devstr)
153 {
154 char *info = "Not supported!";
155
156 if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
157 return info;
158
159 return env_get("dfu_alt_system");
160 }
161
get_dfu_alt_boot(char * interface,char * devstr)162 char *get_dfu_alt_boot(char *interface, char *devstr)
163 {
164 char *info = "Not supported!";
165 struct mmc *mmc;
166 char *alt_boot;
167 int dev_num;
168
169 if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
170 return info;
171
172 dev_num = simple_strtoul(devstr, NULL, 10);
173
174 mmc = find_mmc_device(dev_num);
175 if (!mmc)
176 return NULL;
177
178 if (mmc_init(mmc))
179 return NULL;
180
181 if (IS_SD(mmc))
182 alt_boot = CONFIG_DFU_ALT_BOOT_SD;
183 else
184 alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
185
186 return alt_boot;
187 }
188 #endif
189