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  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26 #include <asm/arch/gpio.h>
  27 #include <asm/arch/mmc.h>
  28 #include <power/pmic.h>
  29 #include <usb/s3c_udc.h>
  30 #include <asm/arch/cpu.h>
  31 #include <power/max8998_pmic.h>
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 static struct s5pc110_gpio *s5pc110_gpio;
  35
  36 int board_init(void)
  37 {
  38         /* Set Initial global variables */
  39         s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
  40
  41         gd->bd->bi_arch_number = MACH_TYPE_GONI;
  42         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  43
  44         return 0;
  45 }
  46
  47 int power_init_board(void)
  48 {
  49         int ret;
  50
  51         ret = pmic_init(I2C_5);
  52         if (ret)
  53                 return ret;
  54
  55         return 0;
  56 }
  57
  58 int dram_init(void)
  59 {
  60         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
  61                         PHYS_SDRAM_3_SIZE;
  62
  63         return 0;
  64 }
  65
  66 void dram_init_banksize(void)
  67 {
  68         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  69         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  70         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  71         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  72         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  73         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  74 }
  75
  76 #ifdef CONFIG_DISPLAY_BOARDINFO
  77 int checkboard(void)
  78 {
  79         puts("Board:\tGoni\n");
  80         return 0;
  81 }
  82 #endif
  83
  84 #ifdef CONFIG_GENERIC_MMC
  85 int board_mmc_init(bd_t *bis)
  86 {
  87         int i;
  88
  89         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  90         s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
  91
  92         /*
  93          * MMC0 GPIO
  94          * GPG0[0]      SD_0_CLK
  95          * GPG0[1]      SD_0_CMD
  96          * GPG0[2]      SD_0_CDn        -> Not used
  97          * GPG0[3:6]    SD_0_DATA[0:3]
  98          */
  99         for (i = 0; i < 7; i++) {
 100                 if (i == 2)
 101                         continue;
 102                 /* GPG0[0:6] special function 2 */
 103                 s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
 104                 /* GPG0[0:6] pull disable */
 105                 s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
 106                 /* GPG0[0:6] drv 4x */
 107                 s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
 108         }
 109
 110         return s5p_mmc_init(0, 4);
 111 }
 112 #endif
 113
 114 #ifdef CONFIG_USB_GADGET
 115 static int s5pc1xx_phy_control(int on)
 116 {
 117         int ret;
 118         static int status;
 119         struct pmic *p = pmic_get("MAX8998_PMIC");
 120         if (!p)
 121                 return -ENODEV;
 122
 123         if (pmic_probe(p))
 124                 return -1;
 125
 126         if (on && !status) {
 127                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 128                                       MAX8998_LDO3, LDO_ON);
 129                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 130                                       MAX8998_LDO8, LDO_ON);
 131                 if (ret) {
 132                         puts("MAX8998 LDO setting error!\n");
 133                         return -1;
 134                 }
 135                 status = 1;
 136         } else if (!on && status) {
 137                 ret = pmic_set_output(p, MAX8998_REG_ONOFF1,
 138                                       MAX8998_LDO3, LDO_OFF);
 139                 ret = pmic_set_output(p, MAX8998_REG_ONOFF2,
 140                                       MAX8998_LDO8, LDO_OFF);
 141                 if (ret) {
 142                         puts("MAX8998 LDO setting error!\n");
 143                         return -1;
 144                 }
 145                 status = 0;
 146         }
 147         udelay(10000);
 148
 149         return 0;
 150 }
 151
 152 struct s3c_plat_otg_data s5pc110_otg_data = {
 153         .phy_control = s5pc1xx_phy_control,
 154         .regs_phy = S5PC110_PHY_BASE,
 155         .regs_otg = S5PC110_OTG_BASE,
 156         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
 157 };
 158 #endif