Commit 9c517e6c authored by Todd Poynor's avatar Todd Poynor Committed by Thomas Gleixner
Browse files

[MTD] maps: Add mapping driver for PQ2FADS boards. 



From: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: default avatarTodd Poynor <tpoynor@mvista.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 81e39cf0

drivers/mtd/maps/Kconfig

+7 −1
Original line number Diff line number Diff line 
# drivers/mtd/maps/Kconfig

# $Id: Kconfig,v 1.55 2005/07/02 01:53:24 tpoynor Exp $

# $Id: Kconfig,v 1.58 2005/09/14 19:14:13 tpoynor Exp $



menu "Mapping drivers for chip access"

	depends on MTD!=n
@@ -520,6 +520,12 @@ config MTD_MPC1211 
	  This enables access to the flash chips on the Interface MPC-1211(CTP/PCI/MPC-SH02).

	  If you have such a board, say 'Y'.



config MTD_PQ2FADS

	tristate "JEDEC flash SIMM mapped on PQ2FADS and 8272ADS boards"

	depends on (ADS8272 || PQ2FADS) && MTD_PARTITIONS && MTD_JEDECPROBE && MTD_PHYSMAP && MTD_CFI_GEOMETRY && MTD_CFI_INTELEXT

	help

	 This enables access to flash SIMM on PQ2FADS-like boards



config MTD_OMAP_NOR

	tristate "TI OMAP board mappings"

	depends on MTD_CFI && ARCH_OMAP

drivers/mtd/maps/Makefile

+2 −1
Original line number Diff line number Diff line 
#

# linux/drivers/maps/Makefile

#

# $Id: Makefile.common,v 1.30 2005/07/02 01:53:24 tpoynor Exp $

# $Id: Makefile.common,v 1.31 2005/09/14 19:14:13 tpoynor Exp $



ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)

obj-$(CONFIG_MTD)		+= map_funcs.o
@@ -70,3 +70,4 @@ obj-$(CONFIG_MTD_DMV182) += dmv182.o 
obj-$(CONFIG_MTD_SHARP_SL)	+= sharpsl-flash.o

obj-$(CONFIG_MTD_PLATRAM)	+= plat-ram.o

obj-$(CONFIG_MTD_OMAP_NOR)	+= omap_nor.o

obj-$(CONFIG_MTD_PQ2FADS)	+= pq2fads.o

drivers/mtd/maps/pq2fads.c

0 → 100644
+88 −0
Original line number Diff line number Diff line 
/*

 * drivers/mtd/maps/pq2fads.c

 *

 * Mapping for the flash SIMM on 8272ADS and PQ2FADS board

 *

 * Author: Vitaly Bordug <vbordug@ru.mvista.com>

 *

 * 2005 (c) MontaVista Software, Inc. This file is licensed under

 * the terms of the GNU General Public License version 2. This program

 * is licensed "as is" without any warranty of any kind, whether express

 * or implied.

 */



#include <linux/module.h>

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <asm/io.h>

#include <asm/ppcboot.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/map.h>

#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>



/*

  NOTE: bank width and interleave relative to the installed flash 

  should have been chosen within MTD_CFI_GEOMETRY options.

  */

#define PQ2FADS_BANK_WIDTH 4



static struct mtd_partition pq2fads_partitions[] = {

	{

#ifdef CONFIG_ADS8272

		.name		= "HRCW",

		.size		= 0x40000,

		.offset 	= 0,

		.mask_flags	= MTD_WRITEABLE,  /* force read-only */

	}, { 

		.name		= "User FS",

		.size		= 0x5c0000,

		.offset 	= 0x40000,

#else

		.name		= "User FS",

		.size		= 0x600000,

		.offset 	= 0,

#endif

	}, {    

		.name		= "uImage",

		.size		= 0x100000,

		.offset 	= 0x600000,

		.mask_flags	= MTD_WRITEABLE,  /* force read-only */

	}, {    

		.name		= "bootloader",

		.size		= 0x40000,

		.offset		= 0x700000,

		.mask_flags	= MTD_WRITEABLE,  /* force read-only */

	}, {    

		.name		= "bootloader env",

		.size		= 0x40000,

		.offset		= 0x740000,

		.mask_flags	= MTD_WRITEABLE,  /* force read-only */

	}

};





/* pointer to MPC885ADS board info data */

extern unsigned char __res[];



static int __init init_pq2fads_mtd(void)

{

	bd_t *bd = (bd_t *)__res;

	physmap_configure(bd->bi_flashstart, bd->bi_flashsize, PQ2FADS_BANK_WIDTH, NULL);



	physmap_set_partitions(pq2fads_partitions,

				sizeof (pq2fads_partitions) /

				sizeof (pq2fads_partitions[0]));

	return 0;

}



static void __exit cleanup_pq2fads_mtd(void)

{

}

                                                                                                                                                    

module_init(init_pq2fads_mtd);

module_exit(cleanup_pq2fads_mtd);

                                                                                                                                                    

MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("MTD map and partitions for MPC8272ADS boards");