[MTD] maps: Add mapping driver for PQ2FADS boards. (9c517e6c) · Commits · e / devices / android_kernel_xiaomi_markw

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");