xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision bf48fcb6)
1 /*
2  *  Copyright (C) 2008-2009 Samsung Electronics
3  *  Minkyu Kang <mk7.kang@samsung.com>
4  *  Kyungmin Park <kyungmin.park@samsung.com>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <asm/arch/gpio.h>
27 #include <asm/arch/mmc.h>
28 #include <power/pmic.h>
29 #include <usb/s3c_udc.h>
30 #include <asm/arch/cpu.h>
31 #include <power/max8998_pmic.h>
32 DECLARE_GLOBAL_DATA_PTR;
33 
34 static struct s5pc110_gpio *s5pc110_gpio;
35 
36 int board_init(void)
37 {
38 	/* Set Initial global variables */
39 	s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
40 
41 	gd->bd->bi_arch_number = MACH_TYPE_GONI;
42 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
43 
44 	return 0;
45 }
46 
47 int power_init_board(void)
48 {
49 	int ret;
50 
51 	ret = pmic_init(I2C_5);
52 	if (ret)
53 		return ret;
54 
55 	return 0;
56 }
57 
58 int dram_init(void)
59 {
60 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
61 			PHYS_SDRAM_3_SIZE;
62 
63 	return 0;
64 }
65 
66 void dram_init_banksize(void)
67 {
68 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
69 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
70 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
71 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
72 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
73 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
74 }
75 
76 #ifdef CONFIG_DISPLAY_BOARDINFO
77 int checkboard(void)
78 {
79 	puts("Board:\tGoni\n");
80 	return 0;
81 }
82 #endif
83 
84 #ifdef CONFIG_GENERIC_MMC
85 int board_mmc_init(bd_t *bis)
86 {
87 	int i;
88 
89 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
90 	s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
91 
92 	/*
93 	 * MMC0 GPIO
94 	 * GPG0[0]	SD_0_CLK
95 	 * GPG0[1]	SD_0_CMD
96 	 * GPG0[2]	SD_0_CDn	-> Not used
97 	 * GPG0[3:6]	SD_0_DATA[0:3]
98 	 */
99 	for (i = 0; i < 7; i++) {
100 		if (i == 2)
101 			continue;
102 		/* GPG0[0:6] special function 2 */
103 		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
104 		/* GPG0[0:6] pull disable */
105 		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
106 		/* GPG0[0:6] drv 4x */
107 		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
108 	}
109 
110 	return s5p_mmc_init(0, 4);
111 }
112 #endif
113 
114 #ifdef CONFIG_USB_GADGET
115 static int s5pc1xx_phy_control(int on)
116 {
117 	int ret;
118 	static int status;
119 	struct pmic *p = pmic_get("MAX8998_PMIC");
120 	if (!p)
121 		return -ENODEV;
122 
123 	if (pmic_probe(p))
124 		return -1;
125 
126 	if (on && !status) {
127 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
128 				      MAX8998_LDO3, LDO_ON);
129 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
130 				      MAX8998_LDO8, LDO_ON);
131 		if (ret) {
132 			puts("MAX8998 LDO setting error!\n");
133 			return -1;
134 		}
135 		status = 1;
136 	} else if (!on && status) {
137 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
138 				      MAX8998_LDO3, LDO_OFF);
139 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
140 				      MAX8998_LDO8, LDO_OFF);
141 		if (ret) {
142 			puts("MAX8998 LDO setting error!\n");
143 			return -1;
144 		}
145 		status = 0;
146 	}
147 	udelay(10000);
148 
149 	return 0;
150 }
151 
152 struct s3c_plat_otg_data s5pc110_otg_data = {
153 	.phy_control = s5pc1xx_phy_control,
154 	.regs_phy = S5PC110_PHY_BASE,
155 	.regs_otg = S5PC110_OTG_BASE,
156 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
157 };
158 #endif
159