eb0f9bffae0e4a3b925b570af2ab4f1337aa2f60
[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 #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 int power_init_board(void)
37 {
38         int ret;
39
40         /*
41          * For PMIC the I2C bus is named as I2C5, but it is connected
42          * to logical I2C adapter 0
43          */
44         ret = pmic_init(I2C_0);
45         if (ret)
46                 return ret;
47
48         return 0;
49 }
50
51 int dram_init(void)
52 {
53         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
54                         PHYS_SDRAM_3_SIZE;
55
56         return 0;
57 }
58
59 void dram_init_banksize(void)
60 {
61         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
62         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
63         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
64         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
65         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
66         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
67 }
68
69 #ifdef CONFIG_DISPLAY_BOARDINFO
70 int checkboard(void)
71 {
72         puts("Board:\tGoni\n");
73         return 0;
74 }
75 #endif
76
77 #ifdef CONFIG_GENERIC_MMC
78 int board_mmc_init(bd_t *bis)
79 {
80         int i, ret, ret_sd = 0;
81
82         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
83         gpio_direction_output(S5PC110_GPIO_J27, 1);
84
85         /*
86          * MMC0 GPIO
87          * GPG0[0]      SD_0_CLK
88          * GPG0[1]      SD_0_CMD
89          * GPG0[2]      SD_0_CDn        -> Not used
90          * GPG0[3:6]    SD_0_DATA[0:3]
91          */
92         for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
93                 if (i == S5PC110_GPIO_G02)
94                         continue;
95                 /* GPG0[0:6] special function 2 */
96                 gpio_cfg_pin(i, 0x2);
97                 /* GPG0[0:6] pull disable */
98                 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
99                 /* GPG0[0:6] drv 4x */
100                 gpio_set_drv(i, S5P_GPIO_DRV_4X);
101         }
102
103         ret = s5p_mmc_init(0, 4);
104         if (ret)
105                 error("MMC: Failed to init MMC:0.\n");
106
107         /*
108          * SD card (T_FLASH) detect and init
109          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
110          */
111         gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
112         gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
113
114         if (!gpio_get_value(S5PC110_GPIO_H34)) {
115                 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
116                         if (i == S5PC110_GPIO_G22)
117                                 continue;
118
119                         /* GPG2[0:6] special function 2 */
120                         gpio_cfg_pin(i, 0x2);
121                         /* GPG2[0:6] pull disable */
122                         gpio_set_pull(i, S5P_GPIO_PULL_NONE);
123                         /* GPG2[0:6] drv 4x */
124                         gpio_set_drv(i, S5P_GPIO_DRV_4X);
125                 }
126
127                 ret_sd = s5p_mmc_init(2, 4);
128                 if (ret_sd)
129                         error("MMC: Failed to init SD card (MMC:2).\n");
130         }
131
132         return ret & ret_sd;
133 }
134 #endif
135
136 #ifdef CONFIG_USB_GADGET
137 static int s5pc1xx_phy_control(int on)
138 {
139         int ret;
140         static int status;
141         struct pmic *p = pmic_get("MAX8998_PMIC");
142         if (!p)
143                 return -ENODEV;
144
145         if (pmic_probe(p))
146                 return -1;
147
148         if (on && !status) {
149                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
150                                       MAX8998_LDO3, LDO_ON);
151                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
152                                       MAX8998_LDO8, LDO_ON);
153                 if (ret) {
154                         puts("MAX8998 LDO setting error!\n");
155                         return -1;
156                 }
157                 status = 1;
158         } else if (!on && status) {
159                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
160                                       MAX8998_LDO3, LDO_OFF);
161                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
162                                       MAX8998_LDO8, LDO_OFF);
163                 if (ret) {
164                         puts("MAX8998 LDO setting error!\n");
165                         return -1;
166                 }
167                 status = 0;
168         }
169         udelay(10000);
170
171         return 0;
172 }
173
174 struct s3c_plat_otg_data s5pc110_otg_data = {
175         .phy_control = s5pc1xx_phy_control,
176         .regs_phy = S5PC110_PHY_BASE,
177         .regs_otg = S5PC110_OTG_BASE,
178         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
179 };
180
181 int board_usb_init(int index, enum usb_init_type init)
182 {
183         debug("USB_udc_probe\n");
184         return s3c_udc_probe(&s5pc110_otg_data);
185 }
186 #endif
187
188 #ifdef CONFIG_MISC_INIT_R
189 int misc_init_r(void)
190 {
191 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
192         set_board_info();
193 #endif
194         return 0;
195 }
196 #endif