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
  21 DECLARE_GLOBAL_DATA_PTR;
  22
  23 u32 get_board_rev(void)
  24 {
  25         return 0;
  26 }
  27
  28 int board_init(void)
  29 {
  30         /* Set Initial global variables */
  31         gd->bd->bi_arch_number = MACH_TYPE_GONI;
  32         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  33
  34         return 0;
  35 }
  36
  37 #ifdef CONFIG_SYS_I2C_INIT_BOARD
  38 void i2c_init_board(void)
  39 {
  40         gpio_request(S5PC110_GPIO_J43, "i2c_clk");
  41         gpio_request(S5PC110_GPIO_J40, "i2c_data");
  42         gpio_direction_output(S5PC110_GPIO_J43, 1);
  43         gpio_direction_output(S5PC110_GPIO_J40, 1);
  44 }
  45 #endif
  46
  47 int dram_init(void)
  48 {
  49         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  50                         PHYS_SDRAM_3_SIZE;
  51
  52         return 0;
  53 }
  54
  55 void dram_init_banksize(void)
  56 {
  57         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  58         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  59         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  60         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  61         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  62         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  63 }
  64
  65 #ifdef CONFIG_DISPLAY_BOARDINFO
  66 int checkboard(void)
  67 {
  68         puts("Board:\tGoni\n");
  69         return 0;
  70 }
  71 #endif
  72
  73 #ifdef CONFIG_GENERIC_MMC
  74 int board_mmc_init(bd_t *bis)
  75 {
  76         int i, ret, ret_sd = 0;
  77
  78         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  79         gpio_request(S5PC110_GPIO_J27, "massmemory_en");
  80         gpio_direction_output(S5PC110_GPIO_J27, 1);
  81
  82         /*
  83          * MMC0 GPIO
  84          * GPG0[0]      SD_0_CLK
  85          * GPG0[1]      SD_0_CMD
  86          * GPG0[2]      SD_0_CDn        -> Not used
  87          * GPG0[3:6]    SD_0_DATA[0:3]
  88          */
  89         for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
  90                 if (i == S5PC110_GPIO_G02)
  91                         continue;
  92                 /* GPG0[0:6] special function 2 */
  93                 gpio_cfg_pin(i, 0x2);
  94                 /* GPG0[0:6] pull disable */
  95                 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
  96                 /* GPG0[0:6] drv 4x */
  97                 gpio_set_drv(i, S5P_GPIO_DRV_4X);
  98         }
  99
 100         ret = s5p_mmc_init(0, 4);
 101         if (ret)
 102                 error("MMC: Failed to init MMC:0.\n");
 103
 104         /*
 105          * SD card (T_FLASH) detect and init
 106          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
 107          */
 108         gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
 109         gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
 110         gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
 111
 112         if (!gpio_get_value(S5PC110_GPIO_H34)) {
 113                 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
 114                         if (i == S5PC110_GPIO_G22)
 115                                 continue;
 116
 117                         /* GPG2[0:6] special function 2 */
 118                         gpio_cfg_pin(i, 0x2);
 119                         /* GPG2[0:6] pull disable */
 120                         gpio_set_pull(i, S5P_GPIO_PULL_NONE);
 121                         /* GPG2[0:6] drv 4x */
 122                         gpio_set_drv(i, S5P_GPIO_DRV_4X);
 123                 }
 124
 125                 ret_sd = s5p_mmc_init(2, 4);
 126                 if (ret_sd)
 127                         error("MMC: Failed to init SD card (MMC:2).\n");
 128         }
 129
 130         return ret & ret_sd;
 131 }
 132 #endif
 133
 134 #ifdef CONFIG_USB_GADGET
 135 static int s5pc1xx_phy_control(int on)
 136 {
 137         struct udevice *dev;
 138         static int status;
 139         int reg, ret;
 140
 141         ret = pmic_get("max8998-pmic", &dev);
 142         if (ret)
 143                 return ret;
 144
 145         if (on && !status) {
 146                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
 147                 reg |= MAX8998_LDO3;
 148                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 149                 if (ret) {
 150                         puts("MAX8998 LDO setting error!\n");
 151                         return -EINVAL;
 152                 }
 153
 154                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
 155                 reg |= MAX8998_LDO8;
 156                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 157                 if (ret) {
 158                         puts("MAX8998 LDO setting error!\n");
 159                         return -EINVAL;
 160                 }
 161                 status = 1;
 162         } else if (!on && status) {
 163                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
 164                 reg &= ~MAX8998_LDO3;
 165                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
 166                 if (ret) {
 167                         puts("MAX8998 LDO setting error!\n");
 168                         return -EINVAL;
 169                 }
 170
 171                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
 172                 reg &= ~MAX8998_LDO8;
 173                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
 174                 if (ret) {
 175                         puts("MAX8998 LDO setting error!\n");
 176                         return -EINVAL;
 177                 }
 178                 status = 0;
 179         }
 180         udelay(10000);
 181         return 0;
 182 }
 183
 184 struct dwc2_plat_otg_data s5pc110_otg_data = {
 185         .phy_control = s5pc1xx_phy_control,
 186         .regs_phy = S5PC110_PHY_BASE,
 187         .regs_otg = S5PC110_OTG_BASE,
 188         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 189 };
 190
 191 int board_usb_init(int index, enum usb_init_type init)
 192 {
 193         debug("USB_udc_probe\n");
 194         return dwc2_udc_probe(&s5pc110_otg_data);
 195 }
 196 #endif
 197
 198 #ifdef CONFIG_MISC_INIT_R
 199 int misc_init_r(void)
 200 {
 201 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 202         set_board_info();
 203 #endif
 204         return 0;
 205 }
 206 #endif
 207
 208 int board_usb_cleanup(int index, enum usb_init_type init)
 209 {
 210         return 0;
 211 }