2 * Copyright (C) 2011 Samsung Electronics
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/cpu.h>
11 #include <asm/arch/gpio.h>
12 #include <asm/arch/mmc.h>
13 #include <asm/arch/periph.h>
14 #include <asm/arch/pinmux.h>
15 #include <asm/arch/sromc.h>
17 DECLARE_GLOBAL_DATA_PTR;
18 struct exynos4_gpio_part1 *gpio1;
19 struct exynos4_gpio_part2 *gpio2;
21 static void smc9115_pre_init(void)
23 u32 smc_bw_conf, smc_bc_conf;
25 /* gpio configuration GPK0CON */
26 s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
28 /* Ethernet needs bus width of 16 bits */
29 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
30 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
31 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
32 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F)
35 /* Select and configure the SROMC bank */
36 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
41 gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE;
42 gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE;
46 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
52 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
53 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
54 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
55 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
60 void dram_init_banksize(void)
62 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
63 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \
65 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
66 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \
68 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
69 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \
71 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
72 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \
76 int board_eth_init(bd_t *bis)
80 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
85 #ifdef CONFIG_DISPLAY_BOARDINFO
88 printf("\nBoard: SMDKV310\n");
93 #ifdef CONFIG_GENERIC_MMC
94 int board_mmc_init(bd_t *bis)
101 * GPK2[0] SD_2_CLK(2)
102 * GPK2[1] SD_2_CMD(2)
104 * GPK2[3:6] SD_2_DATA[0:3](2)
106 for (i = 0; i < 7; i++) {
107 /* GPK2[0:6] special function 2 */
108 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
110 /* GPK2[0:6] drv 4x */
111 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
113 /* GPK2[0:1] pull disable */
114 if (i == 0 || i == 1) {
115 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE);
119 /* GPK2[2:6] pull up */
120 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
122 err = s5p_mmc_init(2, 4);
127 static int board_uart_init(void)
131 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
133 debug("UART0 not configured\n");
137 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
139 debug("UART1 not configured\n");
143 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
145 debug("UART2 not configured\n");
149 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
151 debug("UART3 not configured\n");
158 #ifdef CONFIG_BOARD_EARLY_INIT_F
159 int board_early_init_f(void)
162 err = board_uart_init();
164 debug("UART init failed\n");