xref: /openbmc/u-boot/board/samsung/goni/goni.c (revision 1e52fea3)
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 <pmic.h>
29 #include <usb/s3c_udc.h>
30 #include <asm/arch/cpu.h>
31 #include <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 #if defined(CONFIG_PMIC)
45 	pmic_init();
46 #endif
47 	return 0;
48 }
49 
50 int dram_init(void)
51 {
52 	gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
53 			PHYS_SDRAM_3_SIZE;
54 
55 	return 0;
56 }
57 
58 void dram_init_banksize(void)
59 {
60 	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
61 	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
62 	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
63 	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
64 	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
65 	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
66 }
67 
68 #ifdef CONFIG_DISPLAY_BOARDINFO
69 int checkboard(void)
70 {
71 	puts("Board:\tGoni\n");
72 	return 0;
73 }
74 #endif
75 
76 #ifdef CONFIG_GENERIC_MMC
77 int board_mmc_init(bd_t *bis)
78 {
79 	int i;
80 
81 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
82 	s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
83 
84 	/*
85 	 * MMC0 GPIO
86 	 * GPG0[0]	SD_0_CLK
87 	 * GPG0[1]	SD_0_CMD
88 	 * GPG0[2]	SD_0_CDn	-> Not used
89 	 * GPG0[3:6]	SD_0_DATA[0:3]
90 	 */
91 	for (i = 0; i < 7; i++) {
92 		if (i == 2)
93 			continue;
94 		/* GPG0[0:6] special function 2 */
95 		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
96 		/* GPG0[0:6] pull disable */
97 		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
98 		/* GPG0[0:6] drv 4x */
99 		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
100 	}
101 
102 	return s5p_mmc_init(0, 4);
103 }
104 #endif
105 
106 #ifdef CONFIG_USB_GADGET
107 static int s5pc1xx_phy_control(int on)
108 {
109 	int ret;
110 	static int status;
111 	struct pmic *p = get_pmic();
112 
113 	if (pmic_probe(p))
114 		return -1;
115 
116 	if (on && !status) {
117 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
118 				      MAX8998_LDO3, LDO_ON);
119 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
120 				      MAX8998_LDO8, LDO_ON);
121 		if (ret) {
122 			puts("MAX8998 LDO setting error!\n");
123 			return -1;
124 		}
125 		status = 1;
126 	} else if (!on && status) {
127 		ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
128 				      MAX8998_LDO3, LDO_OFF);
129 		ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
130 				      MAX8998_LDO8, LDO_OFF);
131 		if (ret) {
132 			puts("MAX8998 LDO setting error!\n");
133 			return -1;
134 		}
135 		status = 0;
136 	}
137 	udelay(10000);
138 
139 	return 0;
140 }
141 
142 struct s3c_plat_otg_data s5pc110_otg_data = {
143 	.phy_control = s5pc1xx_phy_control,
144 	.regs_phy = S5PC110_PHY_BASE,
145 	.regs_otg = S5PC110_OTG_BASE,
146 	.usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
147 };
148 #endif
149