xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision ffe16911)
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 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 u32 get_board_rev(void)
21 {
22 	return 0;
23 }
24 
25 int board_init(void)
26 {
27 	/* Set Initial global variables */
28 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
29 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
30 
31 	return 0;
32 }
33 
34 int power_init_board(void)
35 {
36 	int ret;
37 
38 	/*
39 	 * For PMIC the I2C bus is named as I2C5, but it is connected
40 	 * to logical I2C adapter 0
41 	 */
42 	ret = pmic_init(I2C_0);
43 	if (ret)
44 		return ret;
45 
46 	return 0;
47 }
48 
49 int dram_init(void)
50 {
51 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
52 			PHYS_SDRAM_3_SIZE;
53 
54 	return 0;
55 }
56 
57 void dram_init_banksize(void)
58 {
59 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
60 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
61 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
62 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
63 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
64 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
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_GENERIC_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_direction_output(S5PC110_GPIO_J27, 1);
82 
83 	/*
84 	 * MMC0 GPIO
85 	 * GPG0[0]	SD_0_CLK
86 	 * GPG0[1]	SD_0_CMD
87 	 * GPG0[2]	SD_0_CDn	-> Not used
88 	 * GPG0[3:6]	SD_0_DATA[0:3]
89 	 */
90 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
91 		if (i == S5PC110_GPIO_G02)
92 			continue;
93 		/* GPG0[0:6] special function 2 */
94 		gpio_cfg_pin(i, 0x2);
95 		/* GPG0[0:6] pull disable */
96 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
97 		/* GPG0[0:6] drv 4x */
98 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
99 	}
100 
101 	ret = s5p_mmc_init(0, 4);
102 	if (ret)
103 		error("MMC: Failed to init MMC:0.\n");
104 
105 	/*
106 	 * SD card (T_FLASH) detect and init
107 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
108 	 */
109 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
110 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
111 
112 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
113 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
114 			if (i == S5PC110_GPIO_G22)
115 				continue;
116 
117 			/* GPG2[0:6] special function 2 */
118 			gpio_cfg_pin(i, 0x2);
119 			/* GPG2[0:6] pull disable */
120 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
121 			/* GPG2[0:6] drv 4x */
122 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
123 		}
124 
125 		ret_sd = s5p_mmc_init(2, 4);
126 		if (ret_sd)
127 			error("MMC: Failed to init SD card (MMC:2).\n");
128 	}
129 
130 	return ret & ret_sd;
131 }
132 #endif
133 
134 #ifdef CONFIG_USB_GADGET
135 static int s5pc1xx_phy_control(int on)
136 {
137 	int ret;
138 	static int status;
139 	struct pmic *p = pmic_get("MAX8998_PMIC");
140 	if (!p)
141 		return -ENODEV;
142 
143 	if (pmic_probe(p))
144 		return -1;
145 
146 	if (on && !status) {
147 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
148 				      MAX8998_LDO3, LDO_ON);
149 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
150 				      MAX8998_LDO8, LDO_ON);
151 		if (ret) {
152 			puts("MAX8998 LDO setting error!\n");
153 			return -1;
154 		}
155 		status = 1;
156 	} else if (!on && status) {
157 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
158 				      MAX8998_LDO3, LDO_OFF);
159 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
160 				      MAX8998_LDO8, LDO_OFF);
161 		if (ret) {
162 			puts("MAX8998 LDO setting error!\n");
163 			return -1;
164 		}
165 		status = 0;
166 	}
167 	udelay(10000);
168 
169 	return 0;
170 }
171 
172 struct s3c_plat_otg_data s5pc110_otg_data = {
173 	.phy_control = s5pc1xx_phy_control,
174 	.regs_phy = S5PC110_PHY_BASE,
175 	.regs_otg = S5PC110_OTG_BASE,
176 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
177 };
178 #endif
179 
180 #ifdef CONFIG_MISC_INIT_R
181 int misc_init_r(void)
182 {
183 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
184 	set_board_info();
185 #endif
186 	return 0;
187 }
188 #endif
189