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 void 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 71 int board_eth_init(bd_t *bis) 72 { 73 int rc = 0; 74 #ifdef CONFIG_SMC911X 75 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 76 #endif 77 return rc; 78 } 79 80 #ifdef CONFIG_DISPLAY_BOARDINFO 81 int checkboard(void) 82 { 83 printf("\nBoard: SMDKV310\n"); 84 return 0; 85 } 86 #endif 87 88 #ifdef CONFIG_GENERIC_MMC 89 int board_mmc_init(bd_t *bis) 90 { 91 int i, err; 92 93 /* 94 * MMC2 SD card GPIO: 95 * 96 * GPK2[0] SD_2_CLK(2) 97 * GPK2[1] SD_2_CMD(2) 98 * GPK2[2] SD_2_CDn 99 * GPK2[3:6] SD_2_DATA[0:3](2) 100 */ 101 for (i = EXYNOS4_GPIO_K20; i < EXYNOS4_GPIO_K27; i++) { 102 /* GPK2[0:6] special function 2 */ 103 gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2)); 104 105 /* GPK2[0:6] drv 4x */ 106 gpio_set_drv(i, S5P_GPIO_DRV_4X); 107 108 /* GPK2[0:1] pull disable */ 109 if (i == EXYNOS4_GPIO_K20 || i == EXYNOS4_GPIO_K21) { 110 gpio_set_pull(i, S5P_GPIO_PULL_NONE); 111 continue; 112 } 113 114 /* GPK2[2:6] pull up */ 115 gpio_set_pull(i, S5P_GPIO_PULL_UP); 116 } 117 err = s5p_mmc_init(2, 4); 118 return err; 119 } 120 #endif 121 122 static int board_uart_init(void) 123 { 124 int err; 125 126 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); 127 if (err) { 128 debug("UART0 not configured\n"); 129 return err; 130 } 131 132 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); 133 if (err) { 134 debug("UART1 not configured\n"); 135 return err; 136 } 137 138 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); 139 if (err) { 140 debug("UART2 not configured\n"); 141 return err; 142 } 143 144 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); 145 if (err) { 146 debug("UART3 not configured\n"); 147 return err; 148 } 149 150 return 0; 151 } 152 153 #ifdef CONFIG_BOARD_EARLY_INIT_F 154 int board_early_init_f(void) 155 { 156 int err; 157 err = board_uart_init(); 158 if (err) { 159 debug("UART init failed\n"); 160 return err; 161 } 162 return err; 163 } 164 #endif 165