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->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE + 47 PHYS_SDRAM_3_SIZE; 48 49 return 0; 50 } 51 52 void dram_init_banksize(void) 53 { 54 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 55 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 56 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 57 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; 58 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 59 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; 60 } 61 62 #ifdef CONFIG_DISPLAY_BOARDINFO 63 int checkboard(void) 64 { 65 puts("Board:\tGoni\n"); 66 return 0; 67 } 68 #endif 69 70 #ifdef CONFIG_GENERIC_MMC 71 int board_mmc_init(bd_t *bis) 72 { 73 int i; 74 75 /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */ 76 gpio_direction_output(&s5pc110_gpio->j2, 7, 1); 77 78 /* 79 * MMC0 GPIO 80 * GPG0[0] SD_0_CLK 81 * GPG0[1] SD_0_CMD 82 * GPG0[2] SD_0_CDn -> Not used 83 * GPG0[3:6] SD_0_DATA[0:3] 84 */ 85 for (i = 0; i < 7; i++) { 86 if (i == 2) 87 continue; 88 /* GPG0[0:6] special function 2 */ 89 gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2); 90 /* GPG0[0:6] pull disable */ 91 gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE); 92 /* GPG0[0:6] drv 4x */ 93 gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); 94 } 95 96 return s5p_mmc_init(0, 4); 97 } 98 #endif 99