1 /* 2 * Copyright (C) 2011 Samsung Electronics 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #include <common.h> 24 #include <asm/io.h> 25 #include <netdev.h> 26 #include <asm/arch/cpu.h> 27 #include <asm/arch/gpio.h> 28 #include <asm/arch/mmc.h> 29 #include <asm/arch/periph.h> 30 #include <asm/arch/pinmux.h> 31 #include <asm/arch/sromc.h> 32 33 DECLARE_GLOBAL_DATA_PTR; 34 struct exynos4_gpio_part1 *gpio1; 35 struct exynos4_gpio_part2 *gpio2; 36 37 static void smc9115_pre_init(void) 38 { 39 u32 smc_bw_conf, smc_bc_conf; 40 41 /* gpio configuration GPK0CON */ 42 s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2)); 43 44 /* Ethernet needs bus width of 16 bits */ 45 smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK); 46 smc_bc_conf = SROMC_BC_TACS(0x0F) | SROMC_BC_TCOS(0x0F) 47 | SROMC_BC_TACC(0x0F) | SROMC_BC_TCOH(0x0F) 48 | SROMC_BC_TAH(0x0F) | SROMC_BC_TACP(0x0F) 49 | SROMC_BC_PMC(0x0F); 50 51 /* Select and configure the SROMC bank */ 52 s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf); 53 } 54 55 int board_init(void) 56 { 57 gpio1 = (struct exynos4_gpio_part1 *) EXYNOS4_GPIO_PART1_BASE; 58 gpio2 = (struct exynos4_gpio_part2 *) EXYNOS4_GPIO_PART2_BASE; 59 60 smc9115_pre_init(); 61 62 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 63 return 0; 64 } 65 66 int dram_init(void) 67 { 68 gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) 69 + get_ram_size((long *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE) 70 + get_ram_size((long *)PHYS_SDRAM_3, PHYS_SDRAM_3_SIZE) 71 + get_ram_size((long *)PHYS_SDRAM_4, PHYS_SDRAM_4_SIZE); 72 73 return 0; 74 } 75 76 void dram_init_banksize(void) 77 { 78 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 79 gd->bd->bi_dram[0].size = get_ram_size((long *)PHYS_SDRAM_1, \ 80 PHYS_SDRAM_1_SIZE); 81 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 82 gd->bd->bi_dram[1].size = get_ram_size((long *)PHYS_SDRAM_2, \ 83 PHYS_SDRAM_2_SIZE); 84 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 85 gd->bd->bi_dram[2].size = get_ram_size((long *)PHYS_SDRAM_3, \ 86 PHYS_SDRAM_3_SIZE); 87 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 88 gd->bd->bi_dram[3].size = get_ram_size((long *)PHYS_SDRAM_4, \ 89 PHYS_SDRAM_4_SIZE); 90 } 91 92 int board_eth_init(bd_t *bis) 93 { 94 int rc = 0; 95 #ifdef CONFIG_SMC911X 96 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 97 #endif 98 return rc; 99 } 100 101 #ifdef CONFIG_DISPLAY_BOARDINFO 102 int checkboard(void) 103 { 104 printf("\nBoard: SMDKV310\n"); 105 return 0; 106 } 107 #endif 108 109 #ifdef CONFIG_GENERIC_MMC 110 int board_mmc_init(bd_t *bis) 111 { 112 int i, err; 113 114 /* 115 * MMC2 SD card GPIO: 116 * 117 * GPK2[0] SD_2_CLK(2) 118 * GPK2[1] SD_2_CMD(2) 119 * GPK2[2] SD_2_CDn 120 * GPK2[3:6] SD_2_DATA[0:3](2) 121 */ 122 for (i = 0; i < 7; i++) { 123 /* GPK2[0:6] special function 2 */ 124 s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2)); 125 126 /* GPK2[0:6] drv 4x */ 127 s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X); 128 129 /* GPK2[0:1] pull disable */ 130 if (i == 0 || i == 1) { 131 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_NONE); 132 continue; 133 } 134 135 /* GPK2[2:6] pull up */ 136 s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP); 137 } 138 err = s5p_mmc_init(2, 4); 139 return err; 140 } 141 #endif 142 143 static int board_uart_init(void) 144 { 145 int err; 146 147 err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); 148 if (err) { 149 debug("UART0 not configured\n"); 150 return err; 151 } 152 153 err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); 154 if (err) { 155 debug("UART1 not configured\n"); 156 return err; 157 } 158 159 err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); 160 if (err) { 161 debug("UART2 not configured\n"); 162 return err; 163 } 164 165 err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); 166 if (err) { 167 debug("UART3 not configured\n"); 168 return err; 169 } 170 171 return 0; 172 } 173 174 #ifdef CONFIG_BOARD_EARLY_INIT_F 175 int board_early_init_f(void) 176 { 177 int err; 178 err = board_uart_init(); 179 if (err) { 180 debug("UART init failed\n"); 181 return err; 182 } 183 return err; 184 } 185 #endif 186