1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2013 Samsung Electronics
4 */
5
6 #include <common.h>
7 #include <usb.h>
8 #include <asm/gpio.h>
9 #include <asm/arch/pinmux.h>
10 #include <asm/arch/dwmmc.h>
11 #include <asm/arch/power.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
15 #ifdef CONFIG_USB_EHCI_EXYNOS
board_usb_init(int index,enum usb_init_type init)16 int board_usb_init(int index, enum usb_init_type init)
17 {
18 /* Configure gpios for usb 3503 hub:
19 * disconnect, toggle reset and connect
20 */
21 gpio_request(EXYNOS5_GPIO_D17, "usb_connect");
22 gpio_request(EXYNOS5_GPIO_X35, "usb_reset");
23 gpio_direction_output(EXYNOS5_GPIO_D17, 0);
24 gpio_direction_output(EXYNOS5_GPIO_X35, 0);
25
26 gpio_direction_output(EXYNOS5_GPIO_X35, 1);
27 gpio_direction_output(EXYNOS5_GPIO_D17, 1);
28
29 return 0;
30 }
31 #endif
32
board_init(void)33 int board_init(void)
34 {
35 gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
36 return 0;
37 }
38
dram_init(void)39 int dram_init(void)
40 {
41 int i;
42 u32 addr;
43
44 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
45 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
46 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
47 }
48 return 0;
49 }
50
power_init_board(void)51 int power_init_board(void)
52 {
53 set_ps_hold_ctrl();
54 return 0;
55 }
56
dram_init_banksize(void)57 int dram_init_banksize(void)
58 {
59 int i;
60 u32 addr, size;
61
62 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
63 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
64 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
65
66 gd->bd->bi_dram[i].start = addr;
67 gd->bd->bi_dram[i].size = size;
68 }
69
70 return 0;
71 }
72
73 #ifdef CONFIG_MMC
board_mmc_init(bd_t * bis)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
board_uart_init(void)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
board_early_init_f(void)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
checkboard(void)116 int checkboard(void)
117 {
118 printf("\nBoard: Arndale\n");
119
120 return 0;
121 }
122 #endif
123
124 #ifdef CONFIG_S5P_PA_SYSRAM
smp_set_core_boot_addr(unsigned long addr,int corenr)125 void smp_set_core_boot_addr(unsigned long addr, int corenr)
126 {
127 writel(addr, CONFIG_S5P_PA_SYSRAM);
128
129 /* make sure this write is really executed */
130 __asm__ volatile ("dsb\n");
131 }
132 #endif
133