1 /* 2 * Copyright (C) 2011 Samsung Electronics 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <asm/io.h> 25 #include <asm/arch/cpu.h> 26 #include <asm/arch/gpio.h> 27 #include <asm/arch/mmc.h> 28 29 DECLARE_GLOBAL_DATA_PTR; 30 struct exynos4_gpio_part1 *gpio1; 31 struct exynos4_gpio_part2 *gpio2; 32 33 int board_init(void) 34 { 35 gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; 36 gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; 37 38 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 39 return 0; 40 } 41 42 int dram_init(void) 43 { 44 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) 45 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) 46 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) 47 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_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 = get_ram_size((long *)PHYS_SDRAM_1, \ 56 PHYS_SDRAM_1_SIZE); 57 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 58 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \ 59 PHYS_SDRAM_2_SIZE); 60 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 61 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \ 62 PHYS_SDRAM_3_SIZE); 63 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 64 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \ 65 PHYS_SDRAM_4_SIZE); 66 } 67 68 #ifdef CONFIG_DISPLAY_BOARDINFO 69 int checkboard(void) 70 { 71 printf("\nBoard: ORIGEN\n"); 72 return 0; 73 } 74 #endif 75 76 #ifdef CONFIG_GENERIC_MMC 77 int board_mmc_init(bd_t *bis) 78 { 79 int i, err; 80 81 /* 82 * MMC2 SD card GPIO: 83 * 84 * GPK2[0] SD_2_CLK(2) 85 * GPK2[1] SD_2_CMD(2) 86 * GPK2[2] SD_2_CDn 87 * GPK2[3:6] SD_2_DATA[0:3](2) 88 */ 89 for (i = 0; i < 7; i++) { 90 /* GPK2[0:6] special function 2 */ 91 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2)); 92 93 /* GPK2[0:6] drv 4x */ 94 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); 95 96 /* GPK2[0:1] pull disable */ 97 if (i == 0 || i == 1) { 98 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); 99 continue; 100 } 101 102 /* GPK2[2:6] pull up */ 103 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP); 104 } 105 106 err = s5p_mmc_init(2, 4); 107 return err; 108 } 109 #endif 110