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/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 #ifdef CONFIG_SYS_I2C_INIT_BOARD
  37 void i2c_init_board(void)
  38 {
  39         gpio_request(S5PC110_GPIO_J43, "i2c_clk");
  40         gpio_request(S5PC110_GPIO_J40, "i2c_data");
  41         gpio_direction_output(S5PC110_GPIO_J43, 1);
  42         gpio_direction_output(S5PC110_GPIO_J40, 1);
  43 }
  44 #endif
  45
  46 int power_init_board(void)
  47 {
  48         int ret;
  49
  50         /*
  51          * For PMIC the I2C bus is named as I2C5, but it is connected
  52          * to logical I2C adapter 0
  53          */
  54         ret = pmic_init(I2C_0);
  55         if (ret)
  56                 return ret;
  57
  58         return 0;
  59 }
  60
  61 int dram_init(void)
  62 {
  63         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  64                         PHYS_SDRAM_3_SIZE;
  65
  66         return 0;
  67 }
  68
  69 void dram_init_banksize(void)
  70 {
  71         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  72         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  73         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  74         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  75         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  76         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  77 }
  78
  79 #ifdef CONFIG_DISPLAY_BOARDINFO
  80 int checkboard(void)
  81 {
  82         puts("Board:\tGoni\n");
  83         return 0;
  84 }
  85 #endif
  86
  87 #ifdef CONFIG_GENERIC_MMC
  88 int board_mmc_init(bd_t *bis)
  89 {
  90         int i, ret, ret_sd = 0;
  91
  92         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  93         gpio_request(S5PC110_GPIO_J27, "massmemory_en");
  94         gpio_direction_output(S5PC110_GPIO_J27, 1);
  95
  96         /*
  97          * MMC0 GPIO
  98          * GPG0[0]      SD_0_CLK
  99          * GPG0[1]      SD_0_CMD
 100          * GPG0[2]      SD_0_CDn        -> Not used
 101          * GPG0[3:6]    SD_0_DATA[0:3]
 102          */
 103         for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
 104                 if (i == S5PC110_GPIO_G02)
 105                         continue;
 106                 /* GPG0[0:6] special function 2 */
 107                 gpio_cfg_pin(i, 0x2);
 108                 /* GPG0[0:6] pull disable */
 109                 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 110                 /* GPG0[0:6] drv 4x */
 111                 gpio_set_drv(i, S5P_GPIO_DRV_4X);
 112         }
 113
 114         ret = s5p_mmc_init(0, 4);
 115         if (ret)
 116                 error("MMC: Failed to init MMC:0.\n");
 117
 118         /*
 119          * SD card (T_FLASH) detect and init
 120          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
 121          */
 122         gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
 123         gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
 124         gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
 125
 126         if (!gpio_get_value(S5PC110_GPIO_H34)) {
 127                 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
 128                         if (i == S5PC110_GPIO_G22)
 129                                 continue;
 130
 131                         /* GPG2[0:6] special function 2 */
 132                         gpio_cfg_pin(i, 0x2);
 133                         /* GPG2[0:6] pull disable */
 134                         gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 135                         /* GPG2[0:6] drv 4x */
 136                         gpio_set_drv(i, S5P_GPIO_DRV_4X);
 137                 }
 138
 139                 ret_sd = s5p_mmc_init(2, 4);
 140                 if (ret_sd)
 141                         error("MMC: Failed to init SD card (MMC:2).\n");
 142         }
 143
 144         return ret & ret_sd;
 145 }
 146 #endif
 147
 148 #ifdef CONFIG_USB_GADGET
 149 static int s5pc1xx_phy_control(int on)
 150 {
 151         int ret;
 152         static int status;
 153         struct pmic *p = pmic_get("MAX8998_PMIC");
 154         if (!p)
 155                 return -ENODEV;
 156
 157         if (pmic_probe(p))
 158                 return -1;
 159
 160         if (on && !status) {
 161                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 162                                       MAX8998_LDO3, LDO_ON);
 163                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 164                                       MAX8998_LDO8, LDO_ON);
 165                 if (ret) {
 166                         puts("MAX8998 LDO setting error!\n");
 167                         return -1;
 168                 }
 169                 status = 1;
 170         } else if (!on && status) {
 171                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 172                                       MAX8998_LDO3, LDO_OFF);
 173                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 174                                       MAX8998_LDO8, LDO_OFF);
 175                 if (ret) {
 176                         puts("MAX8998 LDO setting error!\n");
 177                         return -1;
 178                 }
 179                 status = 0;
 180         }
 181         udelay(10000);
 182
 183         return 0;
 184 }
 185
 186 struct s3c_plat_otg_data s5pc110_otg_data = {
 187         .phy_control = s5pc1xx_phy_control,
 188         .regs_phy = S5PC110_PHY_BASE,
 189         .regs_otg = S5PC110_OTG_BASE,
 190         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 191 };
 192
 193 int board_usb_init(int index, enum usb_init_type init)
 194 {
 195         debug("USB_udc_probe\n");
 196         return s3c_udc_probe(&s5pc110_otg_data);
 197 }
 198 #endif
 199
 200 #ifdef CONFIG_MISC_INIT_R
 201 int misc_init_r(void)
 202 {
 203 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 204         set_board_info();
 205 #endif
 206         return 0;
 207 }
 208 #endif