61b9ece0387ee3b0916aefaefb4d59890817c689
[oweals/u-boot.git] / board / samsung / goni / goni.c
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