LXR uboot/board/logicpd/imx27lite/imx27lite.c

   1/*
   2 * Copyright (C) 2007 Sascha Hauer, Pengutronix
   3 * Copyright (C) 2008,2009 Eric Jarrige <jorasse@users.sourceforge.net>
   4 * Copyright (C) 2009 Ilya Yanok <yanok@emcraft.com>
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License as
   8 * published by the Free Software Foundation; either version 2 of
   9 * the License, or (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19 * MA 02111-1307 USA
  20 *
  21 */
  22
  23#include <common.h>
  24#include <asm/io.h>
  25#include <asm/arch/imx-regs.h>
  26
  27DECLARE_GLOBAL_DATA_PTR;
  28
  29int board_init (void)
  30{
  31        struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE;
  32#if defined(CONFIG_SYS_NAND_LARGEPAGE)
  33        struct system_control_regs *sc_regs =
  34                (struct system_control_regs *)IMX_SYSTEM_CTL_BASE;
  35#endif
  36
  37        gd->bd->bi_arch_number = MACH_TYPE_IMX27LITE;
  38        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
  39
  40#ifdef CONFIG_MXC_UART
  41        mx27_uart_init_pins();
  42#endif
  43#ifdef CONFIG_FEC_MXC
  44        mx27_fec_init_pins();
  45        imx_gpio_mode((GPIO_PORTC | GPIO_OUT | GPIO_PUEN | GPIO_GPIO | 31));
  46        writel(readl(&regs->port[PORTC].dr) | (1 << 31),
  47                                &regs->port[PORTC].dr);
  48#endif
  49#ifdef CONFIG_MXC_MMC
  50#if defined(CONFIG_MAGNESIUM)
  51        mx27_sd1_init_pins();
  52#else
  53        mx27_sd2_init_pins();
  54#endif
  55#endif
  56
  57#if defined(CONFIG_SYS_NAND_LARGEPAGE)
  58        /*
  59         * set in FMCR NF_FMS Bit(5) to 1
  60         * (NAND Flash with 2 Kbyte page size)
  61         */
  62        writel(readl(&sc_regs->fmcr) | (1 << 5), &sc_regs->fmcr);
  63#endif
  64        return 0;
  65}
  66
  67int dram_init (void)
  68{
  69
  70#if CONFIG_NR_DRAM_BANKS > 0
  71        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  72        gd->bd->bi_dram[0].size = get_ram_size((volatile void *)PHYS_SDRAM_1,
  73                        PHYS_SDRAM_1_SIZE);
  74#endif
  75#if CONFIG_NR_DRAM_BANKS > 1
  76        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  77        gd->bd->bi_dram[1].size = get_ram_size((volatile void *)PHYS_SDRAM_2,
  78                        PHYS_SDRAM_2_SIZE);
  79#endif
  80
  81        return 0;
  82}
  83
  84int checkboard(void)
  85{
  86        puts ("Board: ");
  87        puts(CONFIG_BOARDNAME);
  88        return 0;
  89}
  90