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 /* Configure gpios for usb 3503 hub: 20 * disconnect, toggle reset and connect 21 */ 22 gpio_direction_output(EXYNOS5_GPIO_D17, 0); 23 gpio_direction_output(EXYNOS5_GPIO_X35, 0); 24 25 gpio_direction_output(EXYNOS5_GPIO_X35, 1); 26 gpio_direction_output(EXYNOS5_GPIO_D17, 1); 27 28 return 0; 29 } 30 #endif 31 32 int board_init(void) 33 { 34 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 35 return 0; 36 } 37 38 int dram_init(void) 39 { 40 int i; 41 u32 addr; 42 43 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 44 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 45 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE); 46 } 47 return 0; 48 } 49 50 int power_init_board(void) 51 { 52 set_ps_hold_ctrl(); 53 return 0; 54 } 55 56 void dram_init_banksize(void) 57 { 58 int i; 59 u32 addr, size; 60 61 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 62 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 63 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE); 64 65 gd->bd->bi_dram[i].start = addr; 66 gd->bd->bi_dram[i].size = size; 67 } 68 } 69 70 #ifdef CONFIG_GENERIC_MMC 71 int board_mmc_init(bd_t *bis) 72 { 73 int ret; 74 /* dwmmc initializattion for available channels */ 75 ret = exynos_dwmmc_init(gd->fdt_blob); 76 if (ret) 77 debug("dwmmc init failed\n"); 78 79 return ret; 80 } 81 #endif 82 83 static int board_uart_init(void) 84 { 85 int err = 0, uart_id; 86 87 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) { 88 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE); 89 if (err) { 90 debug("UART%d not configured\n", 91 (uart_id - PERIPH_ID_UART0)); 92 return err; 93 } 94 } 95 return err; 96 } 97 98 #ifdef CONFIG_BOARD_EARLY_INIT_F 99 int board_early_init_f(void) 100 { 101 int err; 102 103 err = board_uart_init(); 104 if (err) { 105 debug("UART init failed\n"); 106 return err; 107 } 108 return err; 109 } 110 #endif 111 112 #ifdef CONFIG_DISPLAY_BOARDINFO 113 int checkboard(void) 114 { 115 printf("\nBoard: Arndale\n"); 116 117 return 0; 118 } 119 #endif 120