LXR uboot/board/spear/spear320/spear320.c

   1/*
   2 * (C) Copyright 2009
   3 * Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
   4 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
   5 *
   6 * See file CREDITS for list of people who contributed to this
   7 * project.
   8 *
   9 * This program is free software; you can redistribute it and/or
  10 * modify it under the terms of the GNU General Public License as
  11 * published by the Free Software Foundation; either version 2 of
  12 * the License, or (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22 * MA 02111-1307 USA
  23 */
  24
  25#include <common.h>
  26#include <nand.h>
  27#include <asm/io.h>
  28#include <asm/arch/hardware.h>
  29#include <asm/arch/spr_defs.h>
  30#include <asm/arch/spr_misc.h>
  31#include <asm/arch/spr_nand.h>
  32
  33int board_init(void)
  34{
  35        return spear_board_init(MACH_TYPE_SPEAR320);
  36}
  37
  38/*
  39 * board_nand_init - Board specific NAND initialization
  40 * @nand:       mtd private chip structure
  41 *
  42 * Called by nand_init_chip to initialize the board specific functions
  43 */
  44
  45int board_nand_init(struct nand_chip *nand)
  46{
  47        struct misc_regs *const misc_regs_p =
  48            (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
  49
  50        if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  51             MISC_SOCCFG30) ||
  52            ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
  53             MISC_SOCCFG31)) {
  54
  55                return spear_nand_init(nand);
  56        }
  57
  58        return -1;
  59}
  60