2 * Copyright (C) 2011 Samsung Electronics
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
26 #include <asm/arch/cpu.h>
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/mmc.h>
29 #include <asm/arch/sromc.h>
31 DECLARE_GLOBAL_DATA_PTR;
32 struct exynos4_gpio_part1 *gpio1;
33 struct exynos4_gpio_part2 *gpio2;
35 static void smc9115_pre_init(void)
37 u32 smc_bw_conf, smc_bc_conf;
39 /* gpio configuration GPK0CON */
40 s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
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)
49 /* Select and configure the SROMC bank */
50 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
55 gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
56 gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;
60 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
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);
74 void dram_init_banksize(void)
76 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
77 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \
79 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
80 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \
82 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
83 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \
85 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
86 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \
90 int board_eth_init(bd_t *bis)
94 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
99 #ifdef CONFIG_DISPLAY_BOARDINFO
102 printf("\nBoard: SMDKV310\n");
107 #ifdef CONFIG_GENERIC_MMC
108 int board_mmc_init(bd_t *bis)
115 * GPK2[0] SD_2_CLK(2)
116 * GPK2[1] SD_2_CMD(2)
118 * GPK2[3:6] SD_2_DATA[0:3](2)
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));
124 /* GPK2[0:6] drv 4x */
125 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
127 /* GPK2[0:1] pull disable */
128 if (i == 0 || i == 1) {
129 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
133 /* GPK2[2:6] pull up */
134 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
136 err = s5p_mmc_init(2, 4);