xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision ce2f2d2a)
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 	/*
49 	 * For PMIC the I2C bus is named as I2C5, but it is connected
50 	 * to logical I2C adapter 0
51 	 */
52 	return pmic_init(I2C_0);
53 }
54 
55 int dram_init(void)
56 {
57 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
58 			PHYS_SDRAM_3_SIZE;
59 
60 	return 0;
61 }
62 
63 void dram_init_banksize(void)
64 {
65 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
66 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
67 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
68 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
69 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
70 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
71 }
72 
73 #ifdef CONFIG_DISPLAY_BOARDINFO
74 int checkboard(void)
75 {
76 	puts("Board:\tGoni\n");
77 	return 0;
78 }
79 #endif
80 
81 #ifdef CONFIG_GENERIC_MMC
82 int board_mmc_init(bd_t *bis)
83 {
84 	int i, ret, ret_sd = 0;
85 
86 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
87 	gpio_request(S5PC110_GPIO_J27, "massmemory_en");
88 	gpio_direction_output(S5PC110_GPIO_J27, 1);
89 
90 	/*
91 	 * MMC0 GPIO
92 	 * GPG0[0]	SD_0_CLK
93 	 * GPG0[1]	SD_0_CMD
94 	 * GPG0[2]	SD_0_CDn	-> Not used
95 	 * GPG0[3:6]	SD_0_DATA[0:3]
96 	 */
97 	for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
98 		if (i == S5PC110_GPIO_G02)
99 			continue;
100 		/* GPG0[0:6] special function 2 */
101 		gpio_cfg_pin(i, 0x2);
102 		/* GPG0[0:6] pull disable */
103 		gpio_set_pull(i, S5P_GPIO_PULL_NONE);
104 		/* GPG0[0:6] drv 4x */
105 		gpio_set_drv(i, S5P_GPIO_DRV_4X);
106 	}
107 
108 	ret = s5p_mmc_init(0, 4);
109 	if (ret)
110 		error("MMC: Failed to init MMC:0.\n");
111 
112 	/*
113 	 * SD card (T_FLASH) detect and init
114 	 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
115 	 */
116 	gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
117 	gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
118 	gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
119 
120 	if (!gpio_get_value(S5PC110_GPIO_H34)) {
121 		for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
122 			if (i == S5PC110_GPIO_G22)
123 				continue;
124 
125 			/* GPG2[0:6] special function 2 */
126 			gpio_cfg_pin(i, 0x2);
127 			/* GPG2[0:6] pull disable */
128 			gpio_set_pull(i, S5P_GPIO_PULL_NONE);
129 			/* GPG2[0:6] drv 4x */
130 			gpio_set_drv(i, S5P_GPIO_DRV_4X);
131 		}
132 
133 		ret_sd = s5p_mmc_init(2, 4);
134 		if (ret_sd)
135 			error("MMC: Failed to init SD card (MMC:2).\n");
136 	}
137 
138 	return ret & ret_sd;
139 }
140 #endif
141 
142 #ifdef CONFIG_USB_GADGET
143 static int s5pc1xx_phy_control(int on)
144 {
145 	int ret;
146 	static int status;
147 	struct pmic *p = pmic_get("MAX8998_PMIC");
148 	if (!p)
149 		return -ENODEV;
150 
151 	if (pmic_probe(p))
152 		return -1;
153 
154 	if (on && !status) {
155 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
156 				      MAX8998_LDO3, LDO_ON);
157 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
158 				      MAX8998_LDO8, LDO_ON);
159 		if (ret) {
160 			puts("MAX8998 LDO setting error!\n");
161 			return -1;
162 		}
163 		status = 1;
164 	} else if (!on && status) {
165 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
166 				      MAX8998_LDO3, LDO_OFF);
167 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
168 				      MAX8998_LDO8, LDO_OFF);
169 		if (ret) {
170 			puts("MAX8998 LDO setting error!\n");
171 			return -1;
172 		}
173 		status = 0;
174 	}
175 	udelay(10000);
176 
177 	return 0;
178 }
179 
180 struct dwc2_plat_otg_data s5pc110_otg_data = {
181 	.phy_control = s5pc1xx_phy_control,
182 	.regs_phy = S5PC110_PHY_BASE,
183 	.regs_otg = S5PC110_OTG_BASE,
184 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
185 };
186 
187 int board_usb_init(int index, enum usb_init_type init)
188 {
189 	debug("USB_udc_probe\n");
190 	return dwc2_udc_probe(&s5pc110_otg_data);
191 }
192 #endif
193 
194 #ifdef CONFIG_MISC_INIT_R
195 int misc_init_r(void)
196 {
197 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
198 	set_board_info();
199 #endif
200 	return 0;
201 }
202 #endif
203 
204 int board_usb_cleanup(int index, enum usb_init_type init)
205 {
206 	return 0;
207 }
208