u-boot/board/spear/spear310/spear310.c
Vipin KUMAR 1fa943b99d SPEAr: Configure FSMC driver for NAND interface
Since FSMC is a standard IP and it supports different memory interfaces, it
is supported independent of spear platform and spear is configured to use that
driver for interfacing with the NAND device

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Scott Wood <scottwood@freescale.com>
2012-07-07 14:07:38 +02:00

63 lines
1.8 KiB
C

/*
* (C) Copyright 2009
* Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
* Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <nand.h>
#include <asm/io.h>
#include <linux/mtd/fsmc_nand.h>
#include <asm/arch/hardware.h>
#include <asm/arch/spr_defs.h>
#include <asm/arch/spr_misc.h>
static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
int board_init(void)
{
return spear_board_init(MACH_TYPE_SPEAR310);
}
/*
* board_nand_init - Board specific NAND initialization
* @nand: mtd private chip structure
*
* Called by nand_init_chip to initialize the board specific functions
*/
void board_nand_init()
{
struct misc_regs *const misc_regs_p =
(struct misc_regs *)CONFIG_SPEAR_MISCBASE;
struct nand_chip *nand = &nand_chip[0];
#if defined(CONFIG_NAND_FSMC)
if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
MISC_SOCCFG30) ||
((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
MISC_SOCCFG31)) {
fsmc_nand_init(nand);
}
#endif
return;
}