board/samsung/arndale/arndale.c

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