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 <netdev.h> 26 #include <asm/arch/cpu.h> 27 #include <asm/arch/gpio.h> 28 #include <asm/arch/mmc.h> 29 #include <asm/arch/sromc.h> 30 31 DECLARE_GLOBAL_DATA_PTR; 32 struct exynos4_gpio_part1 *gpio1; 33 struct exynos4_gpio_part2 *gpio2; 34 35 static void smc9115_pre_init(void) 36 { 37 u32 smc_bw_conf, smc_bc_conf; 38 39 /* gpio configuration GPK0CON */ 40 s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); 41 42 /* Ethernet needs bus width of 16 bits */ 43 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); 44 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F) 45 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F) 46 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F) 47 | SROMC_BC_PMC(0x0F); 48 49 /* Select and configure the SROMC bank */ 50 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); 51 } 52 53 int board_init(void) 54 { 55 gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; 56 gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; 57 58 smc9115_pre_init(); 59 60 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 61 return 0; 62 } 63 64 int dram_init(void) 65 { 66 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) 67 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) 68 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) 69 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE); 70 71 return 0; 72 } 73 74 void dram_init_banksize(void) 75 { 76 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 77 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \ 78 PHYS_SDRAM_1_SIZE); 79 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 80 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \ 81 PHYS_SDRAM_2_SIZE); 82 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 83 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \ 84 PHYS_SDRAM_3_SIZE); 85 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 86 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \ 87 PHYS_SDRAM_4_SIZE); 88 } 89 90 int board_eth_init(bd_t *bis) 91 { 92 int rc = 0; 93 #ifdef CONFIG_SMC911X 94 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 95 #endif 96 return rc; 97 } 98 99 #ifdef CONFIG_DISPLAY_BOARDINFO 100 int checkboard(void) 101 { 102 printf("\nBoard: SMDKV310\n"); 103 return 0; 104 } 105 #endif 106 107 #ifdef CONFIG_GENERIC_MMC 108 int board_mmc_init(bd_t *bis) 109 { 110 int i, err; 111 112 /* 113 * MMC2 SD card GPIO: 114 * 115 * GPK2[0] SD_2_CLK(2) 116 * GPK2[1] SD_2_CMD(2) 117 * GPK2[2] SD_2_CDn 118 * GPK2[3:6] SD_2_DATA[0:3](2) 119 */ 120 for (i = 0; i < 7; i++) { 121 /* GPK2[0:6] special function 2 */ 122 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2)); 123 124 /* GPK2[0:6] drv 4x */ 125 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); 126 127 /* GPK2[0:1] pull disable */ 128 if (i == 0 || i == 1) { 129 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); 130 continue; 131 } 132 133 /* GPK2[2:6] pull up */ 134 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP); 135 } 136 err = s5p_mmc_init(2, 4); 137 return err; 138 } 139 #endif 140