xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 89b87081)
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/s3c_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 	int ret;
49 
50 	/*
51 	 * For PMIC the I2C bus is named as I2C5, but it is connected
52 	 * to logical I2C adapter 0
53 	 */
54 	ret = pmic_init(I2C_0);
55 	if (ret)
56 		return ret;
57 
58 	return 0;
59 }
60 
61 int dram_init(void)
62 {
63 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
64 			PHYS_SDRAM_3_SIZE;
65 
66 	return 0;
67 }
68 
69 void dram_init_banksize(void)
70 {
71 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
72 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
73 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
74 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
75 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
76 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
77 }
78 
79 #ifdef CONFIG_DISPLAY_BOARDINFO
80 int checkboard(void)
81 {
82 	puts("Board:\tGoni\n");
83 	return 0;
84 }
85 #endif
86 
87 #ifdef CONFIG_GENERIC_MMC
88 int board_mmc_init(bd_t *bis)
89 {
90 	int i, ret, ret_sd = 0;
91 
92 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
93 	gpio_request(S5PC110_GPIO_J27, "massmemory_en");
94 	gpio_direction_output(S5PC110_GPIO_J27, 1);
95 
96 	/*
97 	 * MMC0 GPIO
98 	 * GPG0[0]	SD_0_CLK
99 	 * GPG0[1]	SD_0_CMD
100 	 * GPG0[2]	SD_0_CDn	-> Not used
101 	 * GPG0[3:6]	SD_0_DATA[0:3]
102 	 */
103 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
104 		if (i == S5PC110_GPIO_G02)
105 			continue;
106 		/* GPG0[0:6] special function 2 */
107 		gpio_cfg_pin(i, 0x2);
108 		/* GPG0[0:6] pull disable */
109 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
110 		/* GPG0[0:6] drv 4x */
111 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
112 	}
113 
114 	ret = s5p_mmc_init(0, 4);
115 	if (ret)
116 		error("MMC: Failed to init MMC:0.\n");
117 
118 	/*
119 	 * SD card (T_FLASH) detect and init
120 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
121 	 */
122 	gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
123 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
124 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
125 
126 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
127 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
128 			if (i == S5PC110_GPIO_G22)
129 				continue;
130 
131 			/* GPG2[0:6] special function 2 */
132 			gpio_cfg_pin(i, 0x2);
133 			/* GPG2[0:6] pull disable */
134 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
135 			/* GPG2[0:6] drv 4x */
136 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
137 		}
138 
139 		ret_sd = s5p_mmc_init(2, 4);
140 		if (ret_sd)
141 			error("MMC: Failed to init SD card (MMC:2).\n");
142 	}
143 
144 	return ret & ret_sd;
145 }
146 #endif
147 
148 #ifdef CONFIG_USB_GADGET
149 static int s5pc1xx_phy_control(int on)
150 {
151 	int ret;
152 	static int status;
153 	struct pmic *p = pmic_get("MAX8998_PMIC");
154 	if (!p)
155 		return -ENODEV;
156 
157 	if (pmic_probe(p))
158 		return -1;
159 
160 	if (on && !status) {
161 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
162 				      MAX8998_LDO3, LDO_ON);
163 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
164 				      MAX8998_LDO8, LDO_ON);
165 		if (ret) {
166 			puts("MAX8998 LDO setting error!\n");
167 			return -1;
168 		}
169 		status = 1;
170 	} else if (!on && status) {
171 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
172 				      MAX8998_LDO3, LDO_OFF);
173 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
174 				      MAX8998_LDO8, LDO_OFF);
175 		if (ret) {
176 			puts("MAX8998 LDO setting error!\n");
177 			return -1;
178 		}
179 		status = 0;
180 	}
181 	udelay(10000);
182 
183 	return 0;
184 }
185 
186 struct s3c_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 s3c_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