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