xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 9c0e2f6e)
1 /*
2  *  Copyright (C) 2008-2009 Samsung Electronics
3  *  Minkyu Kang <mk7.kang@samsung.com>
4  *  Kyungmin Park <kyungmin.park@samsung.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/gpio.h>
11 #include <asm/arch/mmc.h>
12 #include <dm.h>
13 #include <power/pmic.h>
14 #include <usb/dwc2_udc.h>
15 #include <asm/arch/cpu.h>
16 #include <power/max8998_pmic.h>
17 #include <samsung/misc.h>
18 #include <usb.h>
19 #include <usb_mass_storage.h>
20 #include <asm/mach-types.h>
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 u32 get_board_rev(void)
25 {
26 	return 0;
27 }
28 
29 int board_init(void)
30 {
31 	/* Set Initial global variables */
32 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
33 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
34 
35 	return 0;
36 }
37 
38 #ifdef CONFIG_SYS_I2C_INIT_BOARD
39 void i2c_init_board(void)
40 {
41 	gpio_request(S5PC110_GPIO_J43, "i2c_clk");
42 	gpio_request(S5PC110_GPIO_J40, "i2c_data");
43 	gpio_direction_output(S5PC110_GPIO_J43, 1);
44 	gpio_direction_output(S5PC110_GPIO_J40, 1);
45 }
46 #endif
47 
48 int dram_init(void)
49 {
50 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
51 			PHYS_SDRAM_3_SIZE;
52 
53 	return 0;
54 }
55 
56 int dram_init_banksize(void)
57 {
58 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
59 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
60 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
61 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
62 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
63 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
64 
65 	return 0;
66 }
67 
68 #ifdef CONFIG_DISPLAY_BOARDINFO
69 int checkboard(void)
70 {
71 	puts("Board:\tGoni\n");
72 	return 0;
73 }
74 #endif
75 
76 #ifdef CONFIG_MMC
77 int board_mmc_init(bd_t *bis)
78 {
79 	int i, ret, ret_sd = 0;
80 
81 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
82 	gpio_request(S5PC110_GPIO_J27, "massmemory_en");
83 	gpio_direction_output(S5PC110_GPIO_J27, 1);
84 
85 	/*
86 	 * MMC0 GPIO
87 	 * GPG0[0]	SD_0_CLK
88 	 * GPG0[1]	SD_0_CMD
89 	 * GPG0[2]	SD_0_CDn	-> Not used
90 	 * GPG0[3:6]	SD_0_DATA[0:3]
91 	 */
92 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
93 		if (i == S5PC110_GPIO_G02)
94 			continue;
95 		/* GPG0[0:6] special function 2 */
96 		gpio_cfg_pin(i, 0x2);
97 		/* GPG0[0:6] pull disable */
98 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
99 		/* GPG0[0:6] drv 4x */
100 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
101 	}
102 
103 	ret = s5p_mmc_init(0, 4);
104 	if (ret)
105 		pr_err("MMC: Failed to init MMC:0.\n");
106 
107 	/*
108 	 * SD card (T_FLASH) detect and init
109 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
110 	 */
111 	gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
112 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
113 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
114 
115 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
116 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
117 			if (i == S5PC110_GPIO_G22)
118 				continue;
119 
120 			/* GPG2[0:6] special function 2 */
121 			gpio_cfg_pin(i, 0x2);
122 			/* GPG2[0:6] pull disable */
123 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
124 			/* GPG2[0:6] drv 4x */
125 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
126 		}
127 
128 		ret_sd = s5p_mmc_init(2, 4);
129 		if (ret_sd)
130 			pr_err("MMC: Failed to init SD card (MMC:2).\n");
131 	}
132 
133 	return ret & ret_sd;
134 }
135 #endif
136 
137 #ifdef CONFIG_USB_GADGET
138 static int s5pc1xx_phy_control(int on)
139 {
140 	struct udevice *dev;
141 	static int status;
142 	int reg, ret;
143 
144 	ret = pmic_get("max8998-pmic", &dev);
145 	if (ret)
146 		return ret;
147 
148 	if (on && !status) {
149 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
150 		reg |= MAX8998_LDO3;
151 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
152 		if (ret) {
153 			puts("MAX8998 LDO setting error!\n");
154 			return -EINVAL;
155 		}
156 
157 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
158 		reg |= MAX8998_LDO8;
159 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
160 		if (ret) {
161 			puts("MAX8998 LDO setting error!\n");
162 			return -EINVAL;
163 		}
164 		status = 1;
165 	} else if (!on && status) {
166 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
167 		reg &= ~MAX8998_LDO3;
168 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
169 		if (ret) {
170 			puts("MAX8998 LDO setting error!\n");
171 			return -EINVAL;
172 		}
173 
174 		reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
175 		reg &= ~MAX8998_LDO8;
176 		ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
177 		if (ret) {
178 			puts("MAX8998 LDO setting error!\n");
179 			return -EINVAL;
180 		}
181 		status = 0;
182 	}
183 	udelay(10000);
184 	return 0;
185 }
186 
187 struct dwc2_plat_otg_data s5pc110_otg_data = {
188 	.phy_control = s5pc1xx_phy_control,
189 	.regs_phy = S5PC110_PHY_BASE,
190 	.regs_otg = S5PC110_OTG_BASE,
191 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
192 };
193 
194 int board_usb_init(int index, enum usb_init_type init)
195 {
196 	debug("USB_udc_probe\n");
197 	return dwc2_udc_probe(&s5pc110_otg_data);
198 }
199 #endif
200 
201 #ifdef CONFIG_MISC_INIT_R
202 int misc_init_r(void)
203 {
204 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
205 	set_board_info();
206 #endif
207 	return 0;
208 }
209 #endif
210 
211 int board_usb_cleanup(int index, enum usb_init_type init)
212 {
213 	return 0;
214 }
215