1 /* 2 * Copyright (C) 2013 Samsung Electronics 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <usb.h> 9 #include <asm/arch/pinmux.h> 10 #include <asm/arch/dwmmc.h> 11 #include <asm/arch/gpio.h> 12 #include <asm/arch/power.h> 13 14 DECLARE_GLOBAL_DATA_PTR; 15 16 #ifdef CONFIG_USB_EHCI_EXYNOS 17 int board_usb_init(int index, enum usb_init_type init) 18 { 19 struct exynos5_gpio_part1 *gpio = (struct exynos5_gpio_part1 *) 20 samsung_get_base_gpio_part1(); 21 22 /* Configure gpios for usb 3503 hub: 23 * disconnect, toggle reset and connect 24 */ 25 s5p_gpio_direction_output(&gpio->d1, 7, 0); 26 s5p_gpio_direction_output(&gpio->x3, 5, 0); 27 28 s5p_gpio_direction_output(&gpio->x3, 5, 1); 29 s5p_gpio_direction_output(&gpio->d1, 7, 1); 30 31 return 0; 32 } 33 #endif 34 35 int board_init(void) 36 { 37 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 38 return 0; 39 } 40 41 int dram_init(void) 42 { 43 int i; 44 u32 addr; 45 46 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 47 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 48 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE); 49 } 50 return 0; 51 } 52 53 int power_init_board(void) 54 { 55 set_ps_hold_ctrl(); 56 return 0; 57 } 58 59 void dram_init_banksize(void) 60 { 61 int i; 62 u32 addr, size; 63 64 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 65 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 66 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE); 67 68 gd->bd->bi_dram[i].start = addr; 69 gd->bd->bi_dram[i].size = size; 70 } 71 } 72 73 #ifdef CONFIG_GENERIC_MMC 74 int board_mmc_init(bd_t *bis) 75 { 76 int ret; 77 /* dwmmc initializattion for available channels */ 78 ret = exynos_dwmmc_init(gd->fdt_blob); 79 if (ret) 80 debug("dwmmc init failed\n"); 81 82 return ret; 83 } 84 #endif 85 86 static int board_uart_init(void) 87 { 88 int err = 0, uart_id; 89 90 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) { 91 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE); 92 if (err) { 93 debug("UART%d not configured\n", 94 (uart_id - PERIPH_ID_UART0)); 95 return err; 96 } 97 } 98 return err; 99 } 100 101 #ifdef CONFIG_BOARD_EARLY_INIT_F 102 int board_early_init_f(void) 103 { 104 int err; 105 106 err = board_uart_init(); 107 if (err) { 108 debug("UART init failed\n"); 109 return err; 110 } 111 return err; 112 } 113 #endif 114 115 #ifdef CONFIG_DISPLAY_BOARDINFO 116 int checkboard(void) 117 { 118 printf("\nBoard: Arndale\n"); 119 120 return 0; 121 } 122 #endif 123