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
  29 DECLARE_GLOBAL_DATA_PTR;
  30
  31 static struct s5pc110_gpio *s5pc110_gpio;
  32
  33 int board_init(void)
  34 {
  35         /* Set Initial global variables */
  36         s5pc110_gpio = (struct s5pc110_gpio *)S5PC110_GPIO_BASE;
  37
  38         gd->bd->bi_arch_number = MACH_TYPE_GONI;
  39         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  40
  41         return 0;
  42 }
  43
  44 int dram_init(void)
  45 {
  46         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  47         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  48         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  49         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  50         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
  51         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
  52
  53         return 0;
  54 }
  55
  56 #ifdef CONFIG_DISPLAY_BOARDINFO
  57 int checkboard(void)
  58 {
  59         puts("Board:\tGoni\n");
  60         return 0;
  61 }
  62 #endif
  63
  64 #ifdef CONFIG_GENERIC_MMC
  65 int board_mmc_init(bd_t *bis)
  66 {
  67         int i;
  68
  69         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
  70         gpio_direction_output(&s5pc110_gpio->gpio_j2, 7, 1);
  71
  72         /*
  73          * MMC0 GPIO
  74          * GPG0[0]      SD_0_CLK
  75          * GPG0[1]      SD_0_CMD
  76          * GPG0[2]      SD_0_CDn        -> Not used
  77          * GPG0[3:6]    SD_0_DATA[0:3]
  78          */
  79         for (i = 0; i < 7; i++) {
  80                 if (i == 2)
  81                         continue;
  82                 /* GPG0[0:6] special function 2 */
  83                 gpio_cfg_pin(&s5pc110_gpio->gpio_g0, i, 0x2);
  84                 /* GPG0[0:6] pull disable */
  85                 gpio_set_pull(&s5pc110_gpio->gpio_g0, i, GPIO_PULL_NONE);
  86                 /* GPG0[0:6] drv 4x */
  87                 gpio_set_drv(&s5pc110_gpio->gpio_g0, i, GPIO_DRV_4X);
  88         }
  89
  90         return s5p_mmc_init(0);
  91 }
  92 #endif