1 /* 2 * Copyright (C) 2011 Samsung Electronics 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/gpio.h> 9 #include <asm/io.h> 10 #include <netdev.h> 11 #include <asm/arch/cpu.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> 16 17 DECLARE_GLOBAL_DATA_PTR; 18 19 static void smc9115_pre_init(void) 20 { 21 u32 smc_bw_conf, smc_bc_conf; 22 23 /* gpio configuration GPK0CON */ 24 gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2)); 25 26 /* Ethernet needs bus width of 16 bits */ 27 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); 28 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F) 29 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F) 30 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F) 31 | SROMC_BC_PMC(0x0F); 32 33 /* Select and configure the SROMC bank */ 34 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); 35 } 36 37 int board_init(void) 38 { 39 smc9115_pre_init(); 40 41 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 42 return 0; 43 } 44 45 int dram_init(void) 46 { 47 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) 48 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) 49 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) 50 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE); 51 52 return 0; 53 } 54 55 int dram_init_banksize(void) 56 { 57 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 58 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, 59 PHYS_SDRAM_1_SIZE); 60 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 61 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, 62 PHYS_SDRAM_2_SIZE); 63 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 64 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, 65 PHYS_SDRAM_3_SIZE); 66 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 67 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, 68 PHYS_SDRAM_4_SIZE); 69 70 return 0; 71 } 72 73 int board_eth_init(bd_t *bis) 74 { 75 int rc = 0; 76 #ifdef CONFIG_SMC911X 77 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 78 #endif 79 return rc; 80 } 81 82 #ifdef CONFIG_DISPLAY_BOARDINFO 83 int checkboard(void) 84 { 85 printf("\nBoard: SMDKV310\n"); 86 return 0; 87 } 88 #endif 89 90 #ifdef CONFIG_MMC 91 int board_mmc_init(bd_t *bis) 92 { 93 int i, err; 94 95 /* 96 * MMC2 SD card GPIO: 97 * 98 * GPK2[0] SD_2_CLK(2) 99 * GPK2[1] SD_2_CMD(2) 100 * GPK2[2] SD_2_CDn 101 * GPK2[3:6] SD_2_DATA[0:3](2) 102 */ 103 for (i = EXYNOS4_GPIO_K20; i < EXYNOS4_GPIO_K27; i++) { 104 /* GPK2[0:6] special function 2 */ 105 gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2)); 106 107 /* GPK2[0:6] drv 4x */ 108 gpio_set_drv(i, S5P_GPIO_DRV_4X); 109 110 /* GPK2[0:1] pull disable */ 111 if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) { 112 gpio_set_pull(i, S5P_GPIO_PULL_NONE); 113 continue; 114 } 115 116 /* GPK2[2:6] pull up */ 117 gpio_set_pull(i, S5P_GPIO_PULL_UP); 118 } 119 err = s5p_mmc_init(2, 4); 120 return err; 121 } 122 #endif 123 124 static int board_uart_init(void) 125 { 126 int err; 127 128 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); 129 if (err) { 130 debug("UART0 not configured\n"); 131 return err; 132 } 133 134 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); 135 if (err) { 136 debug("UART1 not configured\n"); 137 return err; 138 } 139 140 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); 141 if (err) { 142 debug("UART2 not configured\n"); 143 return err; 144 } 145 146 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); 147 if (err) { 148 debug("UART3 not configured\n"); 149 return err; 150 } 151 152 return 0; 153 } 154 155 #ifdef CONFIG_BOARD_EARLY_INIT_F 156 int board_early_init_f(void) 157 { 158 int err; 159 err = board_uart_init(); 160 if (err) { 161 debug("UART init failed\n"); 162 return err; 163 } 164 return err; 165 } 166 #endif 167