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
  27 DECLARE_GLOBAL_DATA_PTR;
  28
  29 int 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
  67 int dram_init (void)
  68 {
  69         /* dram_init must store complete ramsize in gd->ram_size */
  70         gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
  71                                 PHYS_SDRAM_1_SIZE);
  72         return 0;
  73 }
  74
  75 void dram_init_banksize(void)
  76 {
  77         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
  78         gd->bd->bi_dram[0].size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
  79                         PHYS_SDRAM_1_SIZE);
  80 #if CONFIG_NR_DRAM_BANKS > 1
  81         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  82         gd->bd->bi_dram[1].size = get_ram_size((volatile void *)PHYS_SDRAM_2,
  83                         PHYS_SDRAM_2_SIZE);
  84 #endif
  85 }
  86
  87 int checkboard(void)
  88 {
  89         puts ("Board: ");
  90         puts(CONFIG_BOARDNAME);
  91         return 0;
  92 }