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[MTD] [NAND] Freescale i.MX2 NAND driver

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This patch adds support for the integrated NAND flash controller of the
i.MX2 and i.MX3 family. It is tested on MX27 but should work on MX3
aswell.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Sascha Hauer 2008-09-02 17:16:59 +02:00 committed by David Woodhouse
parent 2675e9447b
commit 34f6e15786
4 changed files with 1112 additions and 0 deletions
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27
arch/arm/plat-mxc/include/mach/mxc_nand.h Normal file
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@ -0,0 +1,27 @@
/*
* Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Sascha Hauer, kernel@pengutronix.de
*
* 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., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#ifndef __ASM_ARCH_NAND_H
#define __ASM_ARCH_NAND_H
struct mxc_nand_platform_data {
int width; /* data bus width in bytes */
int hw_ecc; /* 0 if supress hardware ECC */
};
#endif /* __ASM_ARCH_NAND_H */

7
drivers/mtd/nand/Kconfig
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@ -407,4 +407,11 @@ config MTD_NAND_FSL_UPM
Enables support for NAND Flash chips wired onto Freescale PowerPC
processor localbus with User-Programmable Machine support.
config MTD_NAND_MXC
tristate "MXC NAND support"
depends on ARCH_MX2
help
This enables the driver for the NAND flash controller on the
MXC processors.
endif # MTD_NAND

1
drivers/mtd/nand/Makefile
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@ -33,5 +33,6 @@ obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o
obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o
obj-$(CONFIG_MTD_NAND_FSL_ELBC) += fsl_elbc_nand.o
obj-$(CONFIG_MTD_NAND_FSL_UPM) += fsl_upm.o
obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o
nand-objs := nand_base.o nand_bbt.o

1077
drivers/mtd/nand/mxc_nand.c Normal file
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