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(int index)129 int usb_gadget_handle_interrupts(int index)
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