xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 85187b80)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  Copyright (C) 2008-2009 Samsung Electronics
4  *  Minkyu Kang <mk7.kang@samsung.com>
5  *  Kyungmin Park <kyungmin.park@samsung.com>
6  */
7 
8 #include <common.h>
9 #include <asm/gpio.h>
10 #include <asm/arch/mmc.h>
11 #include <dm.h>
12 #include <power/pmic.h>
13 #include <usb/dwc2_udc.h>
14 #include <asm/arch/cpu.h>
15 #include <power/max8998_pmic.h>
16 #include <samsung/misc.h>
17 #include <usb.h>
18 #include <usb_mass_storage.h>
19 #include <asm/mach-types.h>
20 
21 DECLARE_GLOBAL_DATA_PTR;
22 
23 u32 get_board_rev(void)
24 {
25 	return 0;
26 }
27 
28 int board_init(void)
29 {
30 	/* Set Initial global variables */
31 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
32 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
33 
34 	return 0;
35 }
36 
37 #ifdef CONFIG_SYS_I2C_INIT_BOARD
38 void i2c_init_board(void)
39 {
40 	gpio_request(S5PC110_GPIO_J43, "i2c_clk");
41 	gpio_request(S5PC110_GPIO_J40, "i2c_data");
42 	gpio_direction_output(S5PC110_GPIO_J43, 1);
43 	gpio_direction_output(S5PC110_GPIO_J40, 1);
44 }
45 #endif
46 
47 int dram_init(void)
48 {
49 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
50 			PHYS_SDRAM_3_SIZE;
51 
52 	return 0;
53 }
54 
55 int dram_init_banksize(void)
56 {
57 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
58 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
59 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
60 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
61 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
62 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
63 
64 	return 0;
65 }
66 
67 #ifdef CONFIG_DISPLAY_BOARDINFO
68 int checkboard(void)
69 {
70 	puts("Board:\tGoni\n");
71 	return 0;
72 }
73 #endif
74 
75 #ifdef CONFIG_MMC
76 int board_mmc_init(bd_t *bis)
77 {
78 	int i, ret, ret_sd = 0;
79 
80 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
81 	gpio_request(S5PC110_GPIO_J27, "massmemory_en");
82 	gpio_direction_output(S5PC110_GPIO_J27, 1);
83 
84 	/*
85 	 * MMC0 GPIO
86 	 * GPG0[0]	SD_0_CLK
87 	 * GPG0[1]	SD_0_CMD
88 	 * GPG0[2]	SD_0_CDn	-> Not used
89 	 * GPG0[3:6]	SD_0_DATA[0:3]
90 	 */
91 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
92 		if (i == S5PC110_GPIO_G02)
93 			continue;
94 		/* GPG0[0:6] special function 2 */
95 		gpio_cfg_pin(i, 0x2);
96 		/* GPG0[0:6] pull disable */
97 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
98 		/* GPG0[0:6] drv 4x */
99 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
100 	}
101 
102 	ret = s5p_mmc_init(0, 4);
103 	if (ret)
104 		pr_err("MMC: Failed to init MMC:0.\n");
105 
106 	/*
107 	 * SD card (T_FLASH) detect and init
108 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
109 	 */
110 	gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
111 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
112 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
113 
114 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
115 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
116 			if (i == S5PC110_GPIO_G22)
117 				continue;
118 
119 			/* GPG2[0:6] special function 2 */
120 			gpio_cfg_pin(i, 0x2);
121 			/* GPG2[0:6] pull disable */
122 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
123 			/* GPG2[0:6] drv 4x */
124 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
125 		}
126 
127 		ret_sd = s5p_mmc_init(2, 4);
128 		if (ret_sd)
129 			pr_err("MMC: Failed to init SD card (MMC:2).\n");
130 	}
131 
132 	return ret & ret_sd;
133 }
134 #endif
135 
136 #ifdef CONFIG_USB_GADGET
137 static int s5pc1xx_phy_control(int on)
138 {
139 	struct udevice *dev;
140 	static int status;
141 	int reg, ret;
142 
143 	ret = pmic_get("max8998-pmic", &dev);
144 	if (ret)
145 		return ret;
146 
147 	if (on && !status) {
148 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
149 		reg |= MAX8998_LDO3;
150 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
151 		if (ret) {
152 			puts("MAX8998 LDO setting error!\n");
153 			return -EINVAL;
154 		}
155 
156 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
157 		reg |= MAX8998_LDO8;
158 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
159 		if (ret) {
160 			puts("MAX8998 LDO setting error!\n");
161 			return -EINVAL;
162 		}
163 		status = 1;
164 	} else if (!on && status) {
165 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
166 		reg &= ~MAX8998_LDO3;
167 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
168 		if (ret) {
169 			puts("MAX8998 LDO setting error!\n");
170 			return -EINVAL;
171 		}
172 
173 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
174 		reg &= ~MAX8998_LDO8;
175 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
176 		if (ret) {
177 			puts("MAX8998 LDO setting error!\n");
178 			return -EINVAL;
179 		}
180 		status = 0;
181 	}
182 	udelay(10000);
183 	return 0;
184 }
185 
186 struct dwc2_plat_otg_data s5pc110_otg_data = {
187 	.phy_control = s5pc1xx_phy_control,
188 	.regs_phy = S5PC110_PHY_BASE,
189 	.regs_otg = S5PC110_OTG_BASE,
190 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
191 };
192 
193 int board_usb_init(int index, enum usb_init_type init)
194 {
195 	debug("USB_udc_probe\n");
196 	return dwc2_udc_probe(&s5pc110_otg_data);
197 }
198 #endif
199 
200 #ifdef CONFIG_MISC_INIT_R
201 int misc_init_r(void)
202 {
203 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
204 	set_board_info();
205 #endif
206 	return 0;
207 }
208 #endif
209 
210 int board_usb_cleanup(int index, enum usb_init_type init)
211 {
212 	return 0;
213 }
214