1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011 Samsung Electronics
10 #include <asm/arch/cpu.h>
11 #include <asm/arch/mmc.h>
12 #include <asm/arch/periph.h>
13 #include <asm/arch/pinmux.h>
14 #include <asm/arch/sromc.h>
16 DECLARE_GLOBAL_DATA_PTR;
18 static void smc9115_pre_init(void)
20 u32 smc_bw_conf, smc_bc_conf;
22 /* gpio configuration GPK0CON */
23 gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2));
25 /* Ethernet needs bus width of 16 bits */
26 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
27 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F)
28 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F)
29 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F)
32 /* Select and configure the SROMC bank */
33 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
40 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
46 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE)
47 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE)
48 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE)
49 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE);
54 int dram_init_banksize(void)
56 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
57 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1,
59 gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
60 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2,
62 gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
63 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3,
65 gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
66 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4,
72 int board_eth_init(bd_t *bis)
76 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
81 #ifdef CONFIG_DISPLAY_BOARDINFO
84 printf("\nBoard: SMDKV310\n");
90 int board_mmc_init(bd_t *bis)
100 * GPK2[3:6] SD_2_DATA[0:3](2)
102 for (i = EXYNOS4_GPIO_K20; i < EXYNOS4_GPIO_K27; i++) {
103 /* GPK2[0:6] special function 2 */
104 gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
106 /* GPK2[0:6] drv 4x */
107 gpio_set_drv(i, S5P_GPIO_DRV_4X);
109 /* GPK2[0:1] pull disable */
110 if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) {
111 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
115 /* GPK2[2:6] pull up */
116 gpio_set_pull(i, S5P_GPIO_PULL_UP);
118 err = s5p_mmc_init(2, 4);
123 static int board_uart_init(void)
127 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE);
129 debug("UART0 not configured\n");
133 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE);
135 debug("UART1 not configured\n");
139 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE);
141 debug("UART2 not configured\n");
145 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE);
147 debug("UART3 not configured\n");
154 #ifdef CONFIG_BOARD_EARLY_INIT_F
155 int board_early_init_f(void)
158 err = board_uart_init();
160 debug("UART init failed\n");