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
  18 DECLARE_GLOBAL_DATA_PTR;
  19
  20 u32 get_board_rev(void)
  21 {
  22         return 0;
  23 }
  24
  25 int board_init(void)
  26 {
  27         /* Set Initial global variables */
  28         gd->bd->bi_arch_number = MACH_TYPE_GONI;
  29         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  30
  31         return 0;
  32 }
  33
  34 int power_init_board(void)
  35 {
  36         int ret;
  37
  38         /*
  39          * For PMIC the I2C bus is named as I2C5, but it is connected
  40          * to logical I2C adapter 0
  41          */
  42         ret = pmic_init(I2C_0);
  43         if (ret)
  44                 return ret;
  45
  46         return 0;
  47 }
  48
  49 int dram_init(void)
  50 {
  51         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  52                         PHYS_SDRAM_3_SIZE;
  53
  54         return 0;
  55 }
  56
  57 void dram_init_banksize(void)
  58 {
  59         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  60         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  61         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  62         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  63         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  64         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  65 }
  66
  67 #ifdef CONFIG_DISPLAY_BOARDINFO
  68 int checkboard(void)
  69 {
  70         puts("Board:\tGoni\n");
  71         return 0;
  72 }
  73 #endif
  74
  75 #ifdef CONFIG_GENERIC_MMC
  76 int board_mmc_init(bd_t *bis)
  77 {
  78         int i, ret, ret_sd = 0;
  79
  80         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  81         gpio_direction_output(S5PC110_GPIO_J27, 1);
  82
  83         /*
  84          * MMC0 GPIO
  85          * GPG0[0]      SD_0_CLK
  86          * GPG0[1]      SD_0_CMD
  87          * GPG0[2]      SD_0_CDn        -> Not used
  88          * GPG0[3:6]    SD_0_DATA[0:3]
  89          */
  90         for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
  91                 if (i == S5PC110_GPIO_G02)
  92                         continue;
  93                 /* GPG0[0:6] special function 2 */
  94                 gpio_cfg_pin(i, 0x2);
  95                 /* GPG0[0:6] pull disable */
  96                 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
  97                 /* GPG0[0:6] drv 4x */
  98                 gpio_set_drv(i, S5P_GPIO_DRV_4X);
  99         }
 100
 101         ret = s5p_mmc_init(0, 4);
 102         if (ret)
 103                 error("MMC: Failed to init MMC:0.\n");
 104
 105         /*
 106          * SD card (T_FLASH) detect and init
 107          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
 108          */
 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         int ret;
 138         static int status;
 139         struct pmic *p = pmic_get("MAX8998_PMIC");
 140         if (!p)
 141                 return -ENODEV;
 142
 143         if (pmic_probe(p))
 144                 return -1;
 145
 146         if (on && !status) {
 147                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 148                                       MAX8998_LDO3, LDO_ON);
 149                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 150                                       MAX8998_LDO8, LDO_ON);
 151                 if (ret) {
 152                         puts("MAX8998 LDO setting error!\n");
 153                         return -1;
 154                 }
 155                 status = 1;
 156         } else if (!on && status) {
 157                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 158                                       MAX8998_LDO3, LDO_OFF);
 159                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 160                                       MAX8998_LDO8, LDO_OFF);
 161                 if (ret) {
 162                         puts("MAX8998 LDO setting error!\n");
 163                         return -1;
 164                 }
 165                 status = 0;
 166         }
 167         udelay(10000);
 168
 169         return 0;
 170 }
 171
 172 struct s3c_plat_otg_data s5pc110_otg_data = {
 173         .phy_control = s5pc1xx_phy_control,
 174         .regs_phy = S5PC110_PHY_BASE,
 175         .regs_otg = S5PC110_OTG_BASE,
 176         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 177 };
 178 #endif
 179
 180 #ifdef CONFIG_MISC_INIT_R
 181 int misc_init_r(void)
 182 {
 183 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 184         set_board_info();
 185 #endif
 186         return 0;
 187 }
 188 #endif