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/gpio.h> 10 #include <asm/arch/pinmux.h> 11 #include <asm/arch/dwmmc.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_request(EXYNOS5_GPIO_D17, "usb_connect"); 23 gpio_request(EXYNOS5_GPIO_X35, "usb_reset"); 24 gpio_direction_output(EXYNOS5_GPIO_D17, 0); 25 gpio_direction_output(EXYNOS5_GPIO_X35, 0); 26 27 gpio_direction_output(EXYNOS5_GPIO_X35, 1); 28 gpio_direction_output(EXYNOS5_GPIO_D17, 1); 29 30 return 0; 31 } 32 #endif 33 34 int board_init(void) 35 { 36 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL); 37 return 0; 38 } 39 40 int dram_init(void) 41 { 42 int i; 43 u32 addr; 44 45 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 46 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 47 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE); 48 } 49 return 0; 50 } 51 52 int power_init_board(void) 53 { 54 set_ps_hold_ctrl(); 55 return 0; 56 } 57 58 int dram_init_banksize(void) 59 { 60 int i; 61 u32 addr, size; 62 63 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { 64 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE); 65 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE); 66 67 gd->bd->bi_dram[i].start = addr; 68 gd->bd->bi_dram[i].size = size; 69 } 70 71 return 0; 72 } 73 74 #ifdef CONFIG_MMC 75 int board_mmc_init(bd_t *bis) 76 { 77 int ret; 78 /* dwmmc initializattion for available channels */ 79 ret = exynos_dwmmc_init(gd->fdt_blob); 80 if (ret) 81 debug("dwmmc init failed\n"); 82 83 return ret; 84 } 85 #endif 86 87 static int board_uart_init(void) 88 { 89 int err = 0, uart_id; 90 91 for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) { 92 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE); 93 if (err) { 94 debug("UART%d not configured\n", 95 (uart_id - PERIPH_ID_UART0)); 96 return err; 97 } 98 } 99 return err; 100 } 101 102 #ifdef CONFIG_BOARD_EARLY_INIT_F 103 int board_early_init_f(void) 104 { 105 int err; 106 107 err = board_uart_init(); 108 if (err) { 109 debug("UART init failed\n"); 110 return err; 111 } 112 return err; 113 } 114 #endif 115 116 #ifdef CONFIG_DISPLAY_BOARDINFO 117 int checkboard(void) 118 { 119 printf("\nBoard: Arndale\n"); 120 121 return 0; 122 } 123 #endif 124 125 #ifdef CONFIG_S5P_PA_SYSRAM 126 void smp_set_core_boot_addr(unsigned long addr, int corenr) 127 { 128 writel(addr, CONFIG_S5P_PA_SYSRAM); 129 130 /* make sure this write is really executed */ 131 __asm__ volatile ("dsb\n"); 132 } 133 #endif 134