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 <dm.h>
  13 #include <power/pmic.h>
  14 #include <usb/dwc2_udc.h>
  15 #include <asm/arch/cpu.h>
  16 #include <power/max8998_pmic.h>
  17 #include <samsung/misc.h>
  18 #include <usb.h>
  19 #include <usb_mass_storage.h>
  20 #include <asm/mach-types.h>
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 u32 get_board_rev(void)
  25 {
  26         return 0;
  27 }
  28
  29 int board_init(void)
  30 {
  31         /* Set Initial global variables */
  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 #ifdef CONFIG_SYS_I2C_INIT_BOARD
  39 void i2c_init_board(void)
  40 {
  41         gpio_request(S5PC110_GPIO_J43, "i2c_clk");
  42         gpio_request(S5PC110_GPIO_J40, "i2c_data");
  43         gpio_direction_output(S5PC110_GPIO_J43, 1);
  44         gpio_direction_output(S5PC110_GPIO_J40, 1);
  45 }
  46 #endif
  47
  48 int dram_init(void)
  49 {
  50         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  51                         PHYS_SDRAM_3_SIZE;
  52
  53         return 0;
  54 }
  55
  56 int dram_init_banksize(void)
  57 {
  58         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  59         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  60         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  61         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  62         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  63         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  64
  65         return 0;
  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_MMC
  77 int board_mmc_init(bd_t *bis)
  78 {
  79         int i, ret, ret_sd = 0;
  80
  81         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  82         gpio_request(S5PC110_GPIO_J27, "massmemory_en");
  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_request(S5PC110_GPIO_H34, "t_flash_detect");
 112         gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
 113         gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
 114
 115         if (!gpio_get_value(S5PC110_GPIO_H34)) {
 116                 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
 117                         if (i == S5PC110_GPIO_G22)
 118                                 continue;
 119
 120                         /* GPG2[0:6] special function 2 */
 121                         gpio_cfg_pin(i, 0x2);
 122                         /* GPG2[0:6] pull disable */
 123                         gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 124                         /* GPG2[0:6] drv 4x */
 125                         gpio_set_drv(i, S5P_GPIO_DRV_4X);
 126                 }
 127
 128                 ret_sd = s5p_mmc_init(2, 4);
 129                 if (ret_sd)
 130                         error("MMC: Failed to init SD card (MMC:2).\n");
 131         }
 132
 133         return ret & ret_sd;
 134 }
 135 #endif
 136
 137 #ifdef CONFIG_USB_GADGET
 138 static int s5pc1xx_phy_control(int on)
 139 {
 140         struct udevice *dev;
 141         static int status;
 142         int reg, ret;
 143
 144         ret = pmic_get("max8998-pmic", &dev);
 145         if (ret)
 146                 return ret;
 147
 148         if (on && !status) {
 149                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
 150                 reg |= MAX8998_LDO3;
 151                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 152                 if (ret) {
 153                         puts("MAX8998 LDO setting error!\n");
 154                         return -EINVAL;
 155                 }
 156
 157                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
 158                 reg |= MAX8998_LDO8;
 159                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 160                 if (ret) {
 161                         puts("MAX8998 LDO setting error!\n");
 162                         return -EINVAL;
 163                 }
 164                 status = 1;
 165         } else if (!on && status) {
 166                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
 167                 reg &= ~MAX8998_LDO3;
 168                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 169                 if (ret) {
 170                         puts("MAX8998 LDO setting error!\n");
 171                         return -EINVAL;
 172                 }
 173
 174                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
 175                 reg &= ~MAX8998_LDO8;
 176                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 177                 if (ret) {
 178                         puts("MAX8998 LDO setting error!\n");
 179                         return -EINVAL;
 180                 }
 181                 status = 0;
 182         }
 183         udelay(10000);
 184         return 0;
 185 }
 186
 187 struct dwc2_plat_otg_data s5pc110_otg_data = {
 188         .phy_control = s5pc1xx_phy_control,
 189         .regs_phy = S5PC110_PHY_BASE,
 190         .regs_otg = S5PC110_OTG_BASE,
 191         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 192 };
 193
 194 int board_usb_init(int index, enum usb_init_type init)
 195 {
 196         debug("USB_udc_probe\n");
 197         return dwc2_udc_probe(&s5pc110_otg_data);
 198 }
 199 #endif
 200
 201 #ifdef CONFIG_MISC_INIT_R
 202 int misc_init_r(void)
 203 {
 204 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 205         set_board_info();
 206 #endif
 207         return 0;
 208 }
 209 #endif
 210
 211 int board_usb_cleanup(int index, enum usb_init_type init)
 212 {
 213         return 0;
 214 }