1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2011 Samsung Electronics 4 */ 5 6 #include <common.h> 7 #include <asm/gpio.h> 8 #include <asm/io.h> 9 #include <netdev.h> 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> 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 static void smc9115_pre_init(void) 19 { 20 u32 smc_bw_conf, smc_bc_conf; 21 22 /* gpio configuration GPK0CON */ 23 gpio_cfg_pin(EXYNOS4_GPIO_Y00 + CONFIG_ENV_SROM_BANK, S5P_GPIO_FUNC(2)); 24 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) 30 | SROMC_BC_PMC(0x0F); 31 32 /* Select and configure the SROMC bank */ 33 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); 34 } 35 36 int board_init(void) 37 { 38 smc9115_pre_init(); 39 40 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 41 return 0; 42 } 43 44 int dram_init(void) 45 { 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); 50 51 return 0; 52 } 53 54 int dram_init_banksize(void) 55 { 56 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 57 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, 58 PHYS_SDRAM_1_SIZE); 59 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 60 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, 61 PHYS_SDRAM_2_SIZE); 62 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 63 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, 64 PHYS_SDRAM_3_SIZE); 65 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 66 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, 67 PHYS_SDRAM_4_SIZE); 68 69 return 0; 70 } 71 72 int board_eth_init(bd_t *bis) 73 { 74 int rc = 0; 75 #ifdef CONFIG_SMC911X 76 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 77 #endif 78 return rc; 79 } 80 81 #ifdef CONFIG_DISPLAY_BOARDINFO 82 int checkboard(void) 83 { 84 printf("\nBoard: SMDKV310\n"); 85 return 0; 86 } 87 #endif 88 89 #ifdef CONFIG_MMC 90 int board_mmc_init(bd_t *bis) 91 { 92 int i, err; 93 94 /* 95 * MMC2 SD card GPIO: 96 * 97 * GPK2[0] SD_2_CLK(2) 98 * GPK2[1] SD_2_CMD(2) 99 * GPK2[2] SD_2_CDn 100 * GPK2[3:6] SD_2_DATA[0:3](2) 101 */ 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)); 105 106 /* GPK2[0:6] drv 4x */ 107 gpio_set_drv(i, S5P_GPIO_DRV_4X); 108 109 /* GPK2[0:1] pull disable */ 110 if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) { 111 gpio_set_pull(i, S5P_GPIO_PULL_NONE); 112 continue; 113 } 114 115 /* GPK2[2:6] pull up */ 116 gpio_set_pull(i, S5P_GPIO_PULL_UP); 117 } 118 err = s5p_mmc_init(2, 4); 119 return err; 120 } 121 #endif 122 123 static int board_uart_init(void) 124 { 125 int err; 126 127 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); 128 if (err) { 129 debug("UART0 not configured\n"); 130 return err; 131 } 132 133 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); 134 if (err) { 135 debug("UART1 not configured\n"); 136 return err; 137 } 138 139 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); 140 if (err) { 141 debug("UART2 not configured\n"); 142 return err; 143 } 144 145 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); 146 if (err) { 147 debug("UART3 not configured\n"); 148 return err; 149 } 150 151 return 0; 152 } 153 154 #ifdef CONFIG_BOARD_EARLY_INIT_F 155 int board_early_init_f(void) 156 { 157 int err; 158 err = board_uart_init(); 159 if (err) { 160 debug("UART init failed\n"); 161 return err; 162 } 163 return err; 164 } 165 #endif 166