1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2008-2009 Samsung Electronics
4 * Minkyu Kang <mk7.kang@samsung.com>
5 * Kyungmin Park <kyungmin.park@samsung.com>
6 */
7
8 #include <common.h>
9 #include <init.h>
10 #include <log.h>
11 #include <asm/global_data.h>
12 #include <asm/gpio.h>
13 #include <asm/arch/mmc.h>
14 #include <dm.h>
15 #include <linux/delay.h>
16 #include <power/pmic.h>
17 #include <usb/dwc2_udc.h>
18 #include <asm/arch/cpu.h>
19 #include <power/max8998_pmic.h>
20 #include <samsung/misc.h>
21 #include <usb.h>
22 #include <usb_mass_storage.h>
23 #include <asm/mach-types.h>
24
25 DECLARE_GLOBAL_DATA_PTR;
26
get_board_rev(void)27 u32 get_board_rev(void)
28 {
29 return 0;
30 }
31
board_init(void)32 int board_init(void)
33 {
34 /* Set Initial global variables */
35 gd->bd->bi_arch_number = MACH_TYPE_GONI;
36 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
37
38 return 0;
39 }
40
41 #ifdef CONFIG_SYS_I2C_INIT_BOARD
i2c_init_board(void)42 void i2c_init_board(void)
43 {
44 gpio_request(S5PC110_GPIO_J43, "i2c_clk");
45 gpio_request(S5PC110_GPIO_J40, "i2c_data");
46 gpio_direction_output(S5PC110_GPIO_J43, 1);
47 gpio_direction_output(S5PC110_GPIO_J40, 1);
48 }
49 #endif
50
dram_init(void)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
dram_init_banksize(void)59 int 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 return 0;
69 }
70
71 #ifdef CONFIG_DISPLAY_BOARDINFO
checkboard(void)72 int checkboard(void)
73 {
74 puts("Board:\tGoni\n");
75 return 0;
76 }
77 #endif
78
79 #ifdef CONFIG_MMC
board_mmc_init(struct bd_info * bis)80 int board_mmc_init(struct bd_info *bis)
81 {
82 int i, ret, ret_sd = 0;
83
84 /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
85 gpio_request(S5PC110_GPIO_J27, "massmemory_en");
86 gpio_direction_output(S5PC110_GPIO_J27, 1);
87
88 /*
89 * MMC0 GPIO
90 * GPG0[0] SD_0_CLK
91 * GPG0[1] SD_0_CMD
92 * GPG0[2] SD_0_CDn -> Not used
93 * GPG0[3:6] SD_0_DATA[0:3]
94 */
95 for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
96 if (i == S5PC110_GPIO_G02)
97 continue;
98 /* GPG0[0:6] special function 2 */
99 gpio_cfg_pin(i, 0x2);
100 /* GPG0[0:6] pull disable */
101 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
102 /* GPG0[0:6] drv 4x */
103 gpio_set_drv(i, S5P_GPIO_DRV_4X);
104 }
105
106 ret = s5p_mmc_init(0, 4);
107 if (ret)
108 pr_err("MMC: Failed to init MMC:0.\n");
109
110 /*
111 * SD card (T_FLASH) detect and init
112 * T_FLASH_DETECT: EINT28: GPH3[4] input mode
113 */
114 gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
115 gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
116 gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
117
118 if (!gpio_get_value(S5PC110_GPIO_H34)) {
119 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
120 if (i == S5PC110_GPIO_G22)
121 continue;
122
123 /* GPG2[0:6] special function 2 */
124 gpio_cfg_pin(i, 0x2);
125 /* GPG2[0:6] pull disable */
126 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
127 /* GPG2[0:6] drv 4x */
128 gpio_set_drv(i, S5P_GPIO_DRV_4X);
129 }
130
131 ret_sd = s5p_mmc_init(2, 4);
132 if (ret_sd)
133 pr_err("MMC: Failed to init SD card (MMC:2).\n");
134 }
135
136 return ret & ret_sd;
137 }
138 #endif
139
140 #ifdef CONFIG_USB_GADGET
s5pc1xx_phy_control(int on)141 static int s5pc1xx_phy_control(int on)
142 {
143 struct udevice *dev;
144 static int status;
145 int reg, ret;
146
147 ret = pmic_get("max8998-pmic", &dev);
148 if (ret)
149 return ret;
150
151 if (on && !status) {
152 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
153 reg |= MAX8998_LDO3;
154 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
155 if (ret) {
156 puts("MAX8998 LDO setting error!\n");
157 return -EINVAL;
158 }
159
160 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
161 reg |= MAX8998_LDO8;
162 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
163 if (ret) {
164 puts("MAX8998 LDO setting error!\n");
165 return -EINVAL;
166 }
167 status = 1;
168 } else if (!on && status) {
169 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
170 reg &= ~MAX8998_LDO3;
171 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
172 if (ret) {
173 puts("MAX8998 LDO setting error!\n");
174 return -EINVAL;
175 }
176
177 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
178 reg &= ~MAX8998_LDO8;
179 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
180 if (ret) {
181 puts("MAX8998 LDO setting error!\n");
182 return -EINVAL;
183 }
184 status = 0;
185 }
186 udelay(10000);
187 return 0;
188 }
189
190 struct dwc2_plat_otg_data s5pc110_otg_data = {
191 .phy_control = s5pc1xx_phy_control,
192 .regs_phy = S5PC110_PHY_BASE,
193 .regs_otg = S5PC110_OTG_BASE,
194 .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
195 };
196
board_usb_init(int index,enum usb_init_type init)197 int board_usb_init(int index, enum usb_init_type init)
198 {
199 debug("USB_udc_probe\n");
200 return dwc2_udc_probe(&s5pc110_otg_data);
201 }
202 #endif
203
204 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)205 int misc_init_r(void)
206 {
207 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
208 set_board_info();
209 #endif
210 return 0;
211 }
212 #endif
213
board_usb_cleanup(int index,enum usb_init_type init)214 int board_usb_cleanup(int index, enum usb_init_type init)
215 {
216 return 0;
217 }
218