xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision c4f80f50)
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/arch/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 int power_init_board(void)
37 {
38 	int ret;
39 
40 	/*
41 	 * For PMIC the I2C bus is named as I2C5, but it is connected
42 	 * to logical I2C adapter 0
43 	 */
44 	ret = pmic_init(I2C_0);
45 	if (ret)
46 		return ret;
47 
48 	return 0;
49 }
50 
51 int dram_init(void)
52 {
53 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
54 			PHYS_SDRAM_3_SIZE;
55 
56 	return 0;
57 }
58 
59 void dram_init_banksize(void)
60 {
61 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
62 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
63 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
64 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
65 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
66 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
67 }
68 
69 #ifdef CONFIG_DISPLAY_BOARDINFO
70 int checkboard(void)
71 {
72 	puts("Board:\tGoni\n");
73 	return 0;
74 }
75 #endif
76 
77 #ifdef CONFIG_GENERIC_MMC
78 int board_mmc_init(bd_t *bis)
79 {
80 	int i, ret, ret_sd = 0;
81 
82 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
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 		error("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_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 			error("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 	int ret;
140 	static int status;
141 	struct pmic *p = pmic_get("MAX8998_PMIC");
142 	if (!p)
143 		return -ENODEV;
144 
145 	if (pmic_probe(p))
146 		return -1;
147 
148 	if (on && !status) {
149 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
150 				      MAX8998_LDO3, LDO_ON);
151 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
152 				      MAX8998_LDO8, LDO_ON);
153 		if (ret) {
154 			puts("MAX8998 LDO setting error!\n");
155 			return -1;
156 		}
157 		status = 1;
158 	} else if (!on && status) {
159 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
160 				      MAX8998_LDO3, LDO_OFF);
161 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
162 				      MAX8998_LDO8, LDO_OFF);
163 		if (ret) {
164 			puts("MAX8998 LDO setting error!\n");
165 			return -1;
166 		}
167 		status = 0;
168 	}
169 	udelay(10000);
170 
171 	return 0;
172 }
173 
174 struct s3c_plat_otg_data s5pc110_otg_data = {
175 	.phy_control = s5pc1xx_phy_control,
176 	.regs_phy = S5PC110_PHY_BASE,
177 	.regs_otg = S5PC110_OTG_BASE,
178 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
179 };
180 
181 int board_usb_init(int index, enum usb_init_type init)
182 {
183 	debug("USB_udc_probe\n");
184 	return s3c_udc_probe(&s5pc110_otg_data);
185 }
186 #endif
187 
188 #ifdef CONFIG_MISC_INIT_R
189 int misc_init_r(void)
190 {
191 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
192 	set_board_info();
193 #endif
194 	return 0;
195 }
196 #endif
197