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 DECLARE_GLOBAL_DATA_PTR;
  17
  18 static struct s5pc110_gpio *s5pc110_gpio;
  19
  20 int board_init(void)
  21 {
  22         /* Set Initial global variables */
  23         s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
  24
  25         gd->bd->bi_arch_number = MACH_TYPE_GONI;
  26         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  27
  28         return 0;
  29 }
  30
  31 int power_init_board(void)
  32 {
  33         int ret;
  34
  35         /*
  36          * For PMIC the I2C bus is named as I2C5, but it is connected
  37          * to logical I2C adapter 0
  38          */
  39         ret = pmic_init(I2C_0);
  40         if (ret)
  41                 return ret;
  42
  43         return 0;
  44 }
  45
  46 int dram_init(void)
  47 {
  48         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  49                         PHYS_SDRAM_3_SIZE;
  50
  51         return 0;
  52 }
  53
  54 void dram_init_banksize(void)
  55 {
  56         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  57         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  58         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  59         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  60         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  61         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  62 }
  63
  64 #ifdef CONFIG_DISPLAY_BOARDINFO
  65 int checkboard(void)
  66 {
  67         puts("Board:\tGoni\n");
  68         return 0;
  69 }
  70 #endif
  71
  72 #ifdef CONFIG_GENERIC_MMC
  73 int board_mmc_init(bd_t *bis)
  74 {
  75         int i, ret, ret_sd = 0;
  76
  77         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  78         s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
  79
  80         /*
  81          * MMC0 GPIO
  82          * GPG0[0]      SD_0_CLK
  83          * GPG0[1]      SD_0_CMD
  84          * GPG0[2]      SD_0_CDn        -> Not used
  85          * GPG0[3:6]    SD_0_DATA[0:3]
  86          */
  87         for (i = 0; i < 7; i++) {
  88                 if (i == 2)
  89                         continue;
  90                 /* GPG0[0:6] special function 2 */
  91                 s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
  92                 /* GPG0[0:6] pull disable */
  93                 s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
  94                 /* GPG0[0:6] drv 4x */
  95                 s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
  96         }
  97
  98         ret = s5p_mmc_init(0, 4);
  99         if (ret)
 100                 error("MMC: Failed to init MMC:0.\n");
 101
 102         /*
 103          * SD card (T_FLASH) detect and init
 104          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
 105          */
 106         s5p_gpio_cfg_pin(&s5pc110_gpio->h3, 4, GPIO_INPUT);
 107         s5p_gpio_set_pull(&s5pc110_gpio->h3, 4, GPIO_PULL_UP);
 108
 109         if (!s5p_gpio_get_value(&s5pc110_gpio->h3, 4)) {
 110                 for (i = 0; i < 7; i++) {
 111                         if (i == 2)
 112                                 continue;
 113
 114                         /* GPG2[0:6] special function 2 */
 115                         s5p_gpio_cfg_pin(&s5pc110_gpio->g2, i, 0x2);
 116                         /* GPG2[0:6] pull disable */
 117                         s5p_gpio_set_pull(&s5pc110_gpio->g2, i, GPIO_PULL_NONE);
 118                         /* GPG2[0:6] drv 4x */
 119                         s5p_gpio_set_drv(&s5pc110_gpio->g2, i, GPIO_DRV_4X);
 120                 }
 121
 122                 ret_sd = s5p_mmc_init(2, 4);
 123                 if (ret_sd)
 124                         error("MMC: Failed to init SD card (MMC:2).\n");
 125         }
 126
 127         return ret & ret_sd;
 128 }
 129 #endif
 130
 131 #ifdef CONFIG_USB_GADGET
 132 static int s5pc1xx_phy_control(int on)
 133 {
 134         int ret;
 135         static int status;
 136         struct pmic *p = pmic_get("MAX8998_PMIC");
 137         if (!p)
 138                 return -ENODEV;
 139
 140         if (pmic_probe(p))
 141                 return -1;
 142
 143         if (on && !status) {
 144                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 145                                       MAX8998_LDO3, LDO_ON);
 146                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 147                                       MAX8998_LDO8, LDO_ON);
 148                 if (ret) {
 149                         puts("MAX8998 LDO setting error!\n");
 150                         return -1;
 151                 }
 152                 status = 1;
 153         } else if (!on && status) {
 154                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 155                                       MAX8998_LDO3, LDO_OFF);
 156                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 157                                       MAX8998_LDO8, LDO_OFF);
 158                 if (ret) {
 159                         puts("MAX8998 LDO setting error!\n");
 160                         return -1;
 161                 }
 162                 status = 0;
 163         }
 164         udelay(10000);
 165
 166         return 0;
 167 }
 168
 169 struct s3c_plat_otg_data s5pc110_otg_data = {
 170         .phy_control = s5pc1xx_phy_control,
 171         .regs_phy = S5PC110_PHY_BASE,
 172         .regs_otg = S5PC110_OTG_BASE,
 173         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 174 };
 175 #endif