xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision e9c847c3)
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 <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 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 u32 get_board_rev(void)
23 {
24 	return 0;
25 }
26 
27 int board_init(void)
28 {
29 	/* Set Initial global variables */
30 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
31 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
32 
33 	return 0;
34 }
35 
36 #ifdef CONFIG_SYS_I2C_INIT_BOARD
37 void i2c_init_board(void)
38 {
39 	gpio_request(S5PC110_GPIO_J43, "i2c_clk");
40 	gpio_request(S5PC110_GPIO_J40, "i2c_data");
41 	gpio_direction_output(S5PC110_GPIO_J43, 1);
42 	gpio_direction_output(S5PC110_GPIO_J40, 1);
43 }
44 #endif
45 
46 int power_init_board(void)
47 {
48 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
49 	/*
50 	 * For PMIC the I2C bus is named as I2C5, but it is connected
51 	 * to logical I2C adapter 0
52 	 */
53 	return pmic_init(I2C_0);
54 #else
55 	return 0;
56 #endif
57 }
58 
59 int dram_init(void)
60 {
61 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
62 			PHYS_SDRAM_3_SIZE;
63 
64 	return 0;
65 }
66 
67 void dram_init_banksize(void)
68 {
69 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
70 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
71 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
72 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
73 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
74 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
75 }
76 
77 #ifdef CONFIG_DISPLAY_BOARDINFO
78 int checkboard(void)
79 {
80 	puts("Board:\tGoni\n");
81 	return 0;
82 }
83 #endif
84 
85 #ifdef CONFIG_GENERIC_MMC
86 int board_mmc_init(bd_t *bis)
87 {
88 	int i, ret, ret_sd = 0;
89 
90 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
91 	gpio_request(S5PC110_GPIO_J27, "massmemory_en");
92 	gpio_direction_output(S5PC110_GPIO_J27, 1);
93 
94 	/*
95 	 * MMC0 GPIO
96 	 * GPG0[0]	SD_0_CLK
97 	 * GPG0[1]	SD_0_CMD
98 	 * GPG0[2]	SD_0_CDn	-> Not used
99 	 * GPG0[3:6]	SD_0_DATA[0:3]
100 	 */
101 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
102 		if (i == S5PC110_GPIO_G02)
103 			continue;
104 		/* GPG0[0:6] special function 2 */
105 		gpio_cfg_pin(i, 0x2);
106 		/* GPG0[0:6] pull disable */
107 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
108 		/* GPG0[0:6] drv 4x */
109 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
110 	}
111 
112 	ret = s5p_mmc_init(0, 4);
113 	if (ret)
114 		error("MMC: Failed to init MMC:0.\n");
115 
116 	/*
117 	 * SD card (T_FLASH) detect and init
118 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
119 	 */
120 	gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
121 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
122 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
123 
124 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
125 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
126 			if (i == S5PC110_GPIO_G22)
127 				continue;
128 
129 			/* GPG2[0:6] special function 2 */
130 			gpio_cfg_pin(i, 0x2);
131 			/* GPG2[0:6] pull disable */
132 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
133 			/* GPG2[0:6] drv 4x */
134 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
135 		}
136 
137 		ret_sd = s5p_mmc_init(2, 4);
138 		if (ret_sd)
139 			error("MMC: Failed to init SD card (MMC:2).\n");
140 	}
141 
142 	return ret & ret_sd;
143 }
144 #endif
145 
146 #ifdef CONFIG_USB_GADGET
147 static int s5pc1xx_phy_control(int on)
148 {
149 #ifndef CONFIG_DM_I2C /* TODO(maintainer): Convert to driver model */
150 	int ret;
151 	static int status;
152 	struct pmic *p = pmic_get("MAX8998_PMIC");
153 	if (!p)
154 		return -ENODEV;
155 
156 	if (pmic_probe(p))
157 		return -1;
158 
159 	if (on && !status) {
160 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
161 				      MAX8998_LDO3, LDO_ON);
162 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
163 				      MAX8998_LDO8, LDO_ON);
164 		if (ret) {
165 			puts("MAX8998 LDO setting error!\n");
166 			return -1;
167 		}
168 		status = 1;
169 	} else if (!on && status) {
170 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
171 				      MAX8998_LDO3, LDO_OFF);
172 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
173 				      MAX8998_LDO8, LDO_OFF);
174 		if (ret) {
175 			puts("MAX8998 LDO setting error!\n");
176 			return -1;
177 		}
178 		status = 0;
179 	}
180 	udelay(10000);
181 #endif
182 	return 0;
183 }
184 
185 struct dwc2_plat_otg_data s5pc110_otg_data = {
186 	.phy_control = s5pc1xx_phy_control,
187 	.regs_phy = S5PC110_PHY_BASE,
188 	.regs_otg = S5PC110_OTG_BASE,
189 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
190 };
191 
192 int board_usb_init(int index, enum usb_init_type init)
193 {
194 	debug("USB_udc_probe\n");
195 	return dwc2_udc_probe(&s5pc110_otg_data);
196 }
197 #endif
198 
199 #ifdef CONFIG_MISC_INIT_R
200 int misc_init_r(void)
201 {
202 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
203 	set_board_info();
204 #endif
205 	return 0;
206 }
207 #endif
208 
209 int board_usb_cleanup(int index, enum usb_init_type init)
210 {
211 	return 0;
212 }
213