xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 1ace4022)
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 static struct s5pc110_gpio *s5pc110_gpio;
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 	s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
31 
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 int power_init_board(void)
39 {
40 	int ret;
41 
42 	/*
43 	 * For PMIC the I2C bus is named as I2C5, but it is connected
44 	 * to logical I2C adapter 0
45 	 */
46 	ret = pmic_init(I2C_0);
47 	if (ret)
48 		return ret;
49 
50 	return 0;
51 }
52 
53 int dram_init(void)
54 {
55 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
56 			PHYS_SDRAM_3_SIZE;
57 
58 	return 0;
59 }
60 
61 void dram_init_banksize(void)
62 {
63 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
64 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
65 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
66 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
67 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
68 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
69 }
70 
71 #ifdef CONFIG_DISPLAY_BOARDINFO
72 int checkboard(void)
73 {
74 	puts("Board:\tGoni\n");
75 	return 0;
76 }
77 #endif
78 
79 #ifdef CONFIG_GENERIC_MMC
80 int board_mmc_init(bd_t *bis)
81 {
82 	int i, ret, ret_sd = 0;
83 
84 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
85 	s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
86 
87 	/*
88 	 * MMC0 GPIO
89 	 * GPG0[0]	SD_0_CLK
90 	 * GPG0[1]	SD_0_CMD
91 	 * GPG0[2]	SD_0_CDn	-> Not used
92 	 * GPG0[3:6]	SD_0_DATA[0:3]
93 	 */
94 	for (i = 0; i < 7; i++) {
95 		if (i == 2)
96 			continue;
97 		/* GPG0[0:6] special function 2 */
98 		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
99 		/* GPG0[0:6] pull disable */
100 		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
101 		/* GPG0[0:6] drv 4x */
102 		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
103 	}
104 
105 	ret = s5p_mmc_init(0, 4);
106 	if (ret)
107 		error("MMC: Failed to init MMC:0.\n");
108 
109 	/*
110 	 * SD card (T_FLASH) detect and init
111 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
112 	 */
113 	s5p_gpio_cfg_pin(&s5pc110_gpio->h3, 4, GPIO_INPUT);
114 	s5p_gpio_set_pull(&s5pc110_gpio->h3, 4, GPIO_PULL_UP);
115 
116 	if (!s5p_gpio_get_value(&s5pc110_gpio->h3, 4)) {
117 		for (i = 0; i < 7; i++) {
118 			if (i == 2)
119 				continue;
120 
121 			/* GPG2[0:6] special function 2 */
122 			s5p_gpio_cfg_pin(&s5pc110_gpio->g2, i, 0x2);
123 			/* GPG2[0:6] pull disable */
124 			s5p_gpio_set_pull(&s5pc110_gpio->g2, i, GPIO_PULL_NONE);
125 			/* GPG2[0:6] drv 4x */
126 			s5p_gpio_set_drv(&s5pc110_gpio->g2, i, GPIO_DRV_4X);
127 		}
128 
129 		ret_sd = s5p_mmc_init(2, 4);
130 		if (ret_sd)
131 			error("MMC: Failed to init SD card (MMC:2).\n");
132 	}
133 
134 	return ret & ret_sd;
135 }
136 #endif
137 
138 #ifdef CONFIG_USB_GADGET
139 static int s5pc1xx_phy_control(int on)
140 {
141 	int ret;
142 	static int status;
143 	struct pmic *p = pmic_get("MAX8998_PMIC");
144 	if (!p)
145 		return -ENODEV;
146 
147 	if (pmic_probe(p))
148 		return -1;
149 
150 	if (on && !status) {
151 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
152 				      MAX8998_LDO3, LDO_ON);
153 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
154 				      MAX8998_LDO8, LDO_ON);
155 		if (ret) {
156 			puts("MAX8998 LDO setting error!\n");
157 			return -1;
158 		}
159 		status = 1;
160 	} else if (!on && status) {
161 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
162 				      MAX8998_LDO3, LDO_OFF);
163 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
164 				      MAX8998_LDO8, LDO_OFF);
165 		if (ret) {
166 			puts("MAX8998 LDO setting error!\n");
167 			return -1;
168 		}
169 		status = 0;
170 	}
171 	udelay(10000);
172 
173 	return 0;
174 }
175 
176 struct s3c_plat_otg_data s5pc110_otg_data = {
177 	.phy_control = s5pc1xx_phy_control,
178 	.regs_phy = S5PC110_PHY_BASE,
179 	.regs_otg = S5PC110_OTG_BASE,
180 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
181 };
182 #endif
183 
184 #ifdef CONFIG_MISC_INIT_R
185 int misc_init_r(void)
186 {
187 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
188 	set_board_info();
189 #endif
190 	return 0;
191 }
192 #endif
193