Update of new NAND code

Patch by Ladislav Michl, 13 Sep 2005

6 files changed, 337 insertions, 64 deletions

diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index c2b69fb2dd..648a10dd92 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -58,6 +58,14 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen);
 #define __raw_readw(a)			__arch_getw(a)
 #define __raw_readl(a)			__arch_getl(a)
 
+#define writeb(v,a)			__arch_putb(v,a)
+#define writew(v,a)			__arch_putw(v,a)
+#define writel(v,a)			__arch_putl(v,a)
+
+#define readb(a)			__arch_getb(a)
+#define readw(a)			__arch_getw(a)
+#define readl(a)			__arch_getl(a)
+
 /*
  * The compiler seems to be incapable of optimising constants
  * properly.  Spell it out to the compiler in some cases.
diff --git a/include/configs/netstar.h b/include/configs/netstar.h
new file mode 100644
index 0000000000..30d2654732
--- /dev/null
+++ b/include/configs/netstar.h
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2005 2N TELEKOMUNIKACE, Ladislav Michl
+ *
+ * Configuation settings for the TI OMAP NetStar board.
+ *
+ * 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
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/omap1510.h>
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_ARM925T	1		/* This is an arm925t CPU */
+#define CONFIG_OMAP	1		/* in a TI OMAP core */
+#define CONFIG_OMAP1510 1		/* which is in a 5910 */
+
+/* Input clock of PLL */
+#define CONFIG_SYS_CLK_FREQ	150000000	/* 150MHz input clock */
+#define CONFIG_XTAL_FREQ	12000000
+
+#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff */
+
+#define CONFIG_MISC_INIT_R		/* There is nothing to really init */
+#define BOARD_LATE_INIT			/* but we flash the LEDs here */
+
+#define CONFIG_CMDLINE_TAG		1	/* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS	1
+#define CONFIG_INITRD_TAG		1
+
+#define CFG_DEVICE_NULLDEV		1	/* enable null device */
+#define CONFIG_SILENT_CONSOLE		1	/* enable silent startup */
+
+/*
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
+#define PHYS_SDRAM_1		0x10000000	/* SDRAM Bank #1 */
+#define PHYS_FLASH_1		0x00000000	/* Flash Bank #1 */
+
+/*
+ * FLASH organization
+ */
+#define CFG_FLASH_BASE		PHYS_FLASH_1
+#define CFG_MAX_FLASH_BANKS	1
+#if (PHYS_SDRAM_1_SIZE == SZ_32M)
+/*#if 1*/
+#define CFG_FLASH_CFI			/* Flash is CFI conformant */
+#define CFG_FLASH_CFI_DRIVER		/* Use the common driver */
+#define CFG_FLASH_EMPTY_INFO
+#define CFG_MAX_FLASH_SECT	128
+#else
+#define PHYS_FLASH_1_SIZE	SZ_1M
+#define CFG_MAX_FLASH_SECT	19
+#define CFG_FLASH_ERASE_TOUT	(5*CFG_HZ) /* in ticks */
+#define CFG_FLASH_WRITE_TOUT	(5*CFG_HZ)
+#endif
+
+#define CFG_MONITOR_BASE	PHYS_FLASH_1
+#define CFG_MONITOR_LEN		SZ_256K
+
+/*
+ * Environment settings
+ */
+#define CFG_ENV_IS_IN_FLASH
+#define ENV_IS_SOLITARY
+#define CFG_ENV_ADDR		0x4000
+#define CFG_ENV_SIZE		SZ_8K
+#define CFG_ENV_SECT_SIZE	SZ_8K
+#define CFG_ENV_ADDR_REDUND	0x6000
+#define CFG_ENV_SIZE_REDUND	CFG_ENV_SIZE
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
+/* XXX #define CFG_MALLOC_LEN		(SZ_64K - CFG_GBL_DATA_SIZE)*/
+#define CFG_MALLOC_LEN		SZ_4M
+
+/*
+ * The stack size is set up in start.S using the settings below
+ */
+/* XXX #define CONFIG_STACKSIZE	SZ_8K	/XXX* regular stack */
+#define CONFIG_STACKSIZE	SZ_1M	/* regular stack */
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_DRIVER_SMC91111
+#define CONFIG_SMC91111_BASE	0x04000300
+
+/*
+ * NS16550 Configuration
+ */
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+#define CFG_NS16550_REG_SIZE	(-4)
+#define CFG_NS16550_CLK		(CONFIG_XTAL_FREQ)	/* can be 12M/32Khz or 48Mhz  */
+#define CFG_NS16550_COM1	OMAP1510_UART1_BASE	/* uart1 */
+
+#define CONFIG_CONS_INDEX	1
+#define CONFIG_BAUDRATE		115200
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*#define CONFIG_SKIP_RELOCATE_UBOOT*/
+/*#define CONFIG_SKIP_LOWLEVEL_INIT */
+
+/*
+ * NAND flash
+ */
+#define CFG_MAX_NAND_DEVICE	1
+#define CFG_NAND_BASE	0x04000000 + (2 << 23)
+#define CONFIG_NEW_NAND_CODE
+
+/*
+ * JFFS2 partitions (mtdparts command line support)
+ */
+#define CONFIG_JFFS2_CMDLINE
+#define MTDIDS_DEFAULT		"nor0=omapflash.0,nand0=omapnand.0"
+#define MTDPARTS_DEFAULT	"mtdparts=omapflash.0:8k@16k(env),8k(r_env),448k@576k(u-boot);omapnand.0:48M(rootfs0),48M(rootfs1),-(data)"
+
+#if 0
+#define CONFIG_COMMANDS		(CFG_CMD_BDI    | \
+				 CFG_CMD_BOOTD  | \
+				 CFG_CMD_DHCP   | \
+				 CFG_CMD_ENV	| \
+				 CFG_CMD_FLASH  | \
+				 CFG_CMD_IMI    | \
+				 CFG_CMD_LOADB  | \
+				 CFG_CMD_NET    | \
+				 CFG_CMD_MEMORY | \
+				 CFG_CMD_PING   | \
+				 CFG_CMD_RUN)
+
+#else
+#define CONFIG_COMMANDS		(CFG_CMD_BDI    | \
+				 CFG_CMD_BOOTD  | \
+				 CFG_CMD_DHCP   | \
+				 CFG_CMD_ENV	| \
+				 CFG_CMD_FLASH  | \
+				 CFG_CMD_NAND	| \
+				 CFG_CMD_IMI    | \
+				 CFG_CMD_JFFS2	| \
+				 CFG_CMD_LOADB  | \
+				 CFG_CMD_NET    | \
+				 CFG_CMD_MEMORY | \
+				 CFG_CMD_PING   | \
+				 CFG_CMD_RUN)
+
+#define CONFIG_JFFS2_NAND	1	/* jffs2 on nand support */
+#endif
+
+#define CONFIG_BOOTP_MASK	CONFIG_BOOTP_DEFAULT
+#define CONFIG_LOOPW
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_ZERO_BOOTDELAY_CHECK	/* allow to break in always */
+#undef  CONFIG_BOOTARGS		/* the boot command will set bootargs*/
+#define CFG_AUTOLOAD		"n"		/* No autoload */
+#define CONFIG_BOOTCOMMAND	"run nboot"
+#define CONFIG_PREBOOT		"run setup"
+#define	CONFIG_EXTRA_ENV_SETTINGS				\
+	"setup=setenv bootargs console=ttyS0,$baudrate "	\
+		"$mtdparts\0"					\
+	"ospart=0\0"						\
+	"setpart="						\
+	"if test -n $swapos; then "				\
+		"if test $ospart -eq 0; then chpart nand0,1; else chpart nand0,0; fi; "\
+		"setenv swapos; saveenv; "			\
+	"else "							\
+		"chpart nand0,$ospart; "			\
+	"fi\0"							\
+	"nfsargs=setenv bootargs $bootargs "			\
+		"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname::off " \
+		"nfsroot=$rootpath root=/dev/nfs\0"		\
+	"flashargs=run setpart;setenv bootargs $bootargs "	\
+		"root=/dev/mtdblock$partition ro "		\
+		"rootfstype=jffs2\0"				\
+	"initrdargs=setenv bootargs $bootargs "			\
+		"ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname::off\0" \
+	"iboot=bootp;run initrdargs;tftp;bootm\0"		\
+	"fboot=run flashargs;fsload /boot/uImage;bootm\0"	\
+	"nboot=bootp;run nfsargs;tftp;bootm\0"
+
+#if 0	/* feel free to disable for development */
+#define	CONFIG_AUTOBOOT_KEYED		/* Enable password protection	*/
+#define CONFIG_AUTOBOOT_PROMPT	"\nNetStar PBX - boot in %d sec...\n"
+#define CONFIG_AUTOBOOT_DELAY_STR	"R"	/* 1st "password"	*/
+#define CONFIG_BOOT_RETRY_TIME	30
+#endif
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP				/* undef to save memory		*/
+#define CFG_PROMPT		"# "		/* Monitor Command Prompt	*/
+#define CFG_CBSIZE		256		/* Console I/O Buffer Size	*/
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS		16		/* max number of command args	*/
+#define CFG_BARGSIZE		CFG_CBSIZE	/* Boot Argument Buffer Size	*/
+
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2	"> "
+#define CONFIG_AUTO_COMPLETE
+
+#define CFG_MEMTEST_START	PHYS_SDRAM_1
+#define CFG_MEMTEST_END		PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE
+
+#undef	CFG_CLKS_IN_HZ		/* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR		PHYS_SDRAM_1 + 0x400000	/* default load address */
+
+/* The 1510 has 3 timers, they can be driven by the RefClk (12Mhz) or by DPLL1.
+ * This time is further subdivided by a local divisor.
+ */
+#define CFG_TIMERBASE		OMAP1510_TIMER1_BASE
+#define CFG_PVT			7		/* 2^(pvt+1), divide by 256 */
+#define CFG_HZ			((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
+
+#define OMAP5910_DPLL_DIV	1
+#define OMAP5910_DPLL_MUL	((CONFIG_SYS_CLK_FREQ * \
+				 (1 << OMAP5910_DPLL_DIV)) / CONFIG_XTAL_FREQ)
+
+#define OMAP5910_ARM_PER_DIV	2	/* CKL/4 */
+#define OMAP5910_LCD_DIV	2	/* CKL/4 */
+#define OMAP5910_ARM_DIV	0	/* CKL/1 */
+#define OMAP5910_DSP_DIV	0	/* CKL/1 */
+#define OMAP5910_TC_DIV		1	/* CKL/2 */
+#define OMAP5910_DSP_MMU_DIV	1	/* CKL/2 */
+#define OMAP5910_ARM_TIM_SEL	1	/* CKL used for MPU timers */
+
+#define OMAP5910_ARM_EN_CLK	0x03d6	/* 0000 0011 1101 0110b  Clock Enable */
+#define OMAP5910_ARM_CKCTL	((OMAP5910_ARM_PER_DIV)  |	\
+				 (OMAP5910_LCD_DIV << 2) |	\
+				 (OMAP5910_ARM_DIV << 4) |	\
+				 (OMAP5910_DSP_DIV << 6) |	\
+				 (OMAP5910_TC_DIV << 8) |	\
+				 (OMAP5910_DSP_MMU_DIV << 10) |	\
+				 (OMAP5910_ARM_TIM_SEL << 12))
+
+#endif	/* __CONFIG_H */
diff --git a/include/linux/mtd/mtd-abi.h b/include/linux/mtd/mtd-abi.h
index afe96b59cb..3d1d416810 100644
--- a/include/linux/mtd/mtd-abi.h
+++ b/include/linux/mtd/mtd-abi.h
@@ -1,7 +1,7 @@
 /*
  * $Id: mtd-abi.h,v 1.7 2004/11/23 15:37:32 gleixner Exp $
  *
- * Portions of MTD ABI definition which are shared by kernel and user space 
+ * Portions of MTD ABI definition which are shared by kernel and user space
  */
 
 #ifndef __MTD_ABI_H__
@@ -27,17 +27,17 @@ struct mtd_oob_buf {
 #define MTD_OTHER		14
 #define MTD_UNKNOWN		15
 
-#define MTD_CLEAR_BITS		1       // Bits can be cleared (flash)
-#define MTD_SET_BITS		2       // Bits can be set
-#define MTD_ERASEABLE		4       // Has an erase function
-#define MTD_WRITEB_WRITEABLE	8       // Direct IO is possible
-#define MTD_VOLATILE		16      // Set for RAMs
-#define MTD_XIP			32	// eXecute-In-Place possible
-#define MTD_OOB			64	// Out-of-band data (NAND flash)
-#define MTD_ECC			128	// Device capable of automatic ECC
-#define MTD_NO_VIRTBLOCKS	256	// Virtual blocks not allowed
+#define MTD_CLEAR_BITS		1       /* Bits can be cleared (flash) */
+#define MTD_SET_BITS		2       /* Bits can be set */
+#define MTD_ERASEABLE		4       /* Has an erase function */
+#define MTD_WRITEB_WRITEABLE	8       /* Direct IO is possible */
+#define MTD_VOLATILE		16      /* Set for RAMs */
+#define MTD_XIP			32	/* eXecute-In-Place possible */
+#define MTD_OOB			64	/* Out-of-band data (NAND flash) */
+#define MTD_ECC			128	/* Device capable of automatic ECC */
+#define MTD_NO_VIRTBLOCKS	256	/* Virtual blocks not allowed */
 
-// Some common devices / combinations of capabilities
+/* Some common devices / combinations of capabilities */
 #define MTD_CAP_ROM		0
 #define MTD_CAP_RAM		(MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
 #define MTD_CAP_NORFLASH        (MTD_CLEAR_BITS|MTD_ERASEABLE)
@@ -45,31 +45,31 @@ struct mtd_oob_buf {
 #define MTD_WRITEABLE		(MTD_CLEAR_BITS|MTD_SET_BITS)
 
 
-// Types of automatic ECC/Checksum available
-#define MTD_ECC_NONE		0 	// No automatic ECC available
-#define MTD_ECC_RS_DiskOnChip	1	// Automatic ECC on DiskOnChip
-#define MTD_ECC_SW		2	// SW ECC for Toshiba & Samsung devices
+/* Types of automatic ECC/Checksum available */
+#define MTD_ECC_NONE		0 	/* No automatic ECC available */
+#define MTD_ECC_RS_DiskOnChip	1	/* Automatic ECC on DiskOnChip */
+#define MTD_ECC_SW		2	/* SW ECC for Toshiba & Samsung devices */
 
 /* ECC byte placement */
-#define MTD_NANDECC_OFF		0	// Switch off ECC (Not recommended)
-#define MTD_NANDECC_PLACE	1	// Use the given placement in the structure (YAFFS1 legacy mode)
-#define MTD_NANDECC_AUTOPLACE	2	// Use the default placement scheme
-#define MTD_NANDECC_PLACEONLY	3	// Use the given placement in the structure (Do not store ecc result on read)
-#define MTD_NANDECC_AUTOPL_USR 	4	// Use the given autoplacement scheme rather than using the default
+#define MTD_NANDECC_OFF		0	/* Switch off ECC (Not recommended) */
+#define MTD_NANDECC_PLACE	1	/* Use the given placement in the structure (YAFFS1 legacy mode) */
+#define MTD_NANDECC_AUTOPLACE	2	/* Use the default placement scheme */
+#define MTD_NANDECC_PLACEONLY	3	/* Use the given placement in the structure (Do not store ecc result on read) */
+#define MTD_NANDECC_AUTOPL_USR 	4	/* Use the given autoplacement scheme rather than using the default */
 
 struct mtd_info_user {
 	uint8_t type;
 	uint32_t flags;
-	uint32_t size;	 // Total size of the MTD
+	uint32_t size;	 /* Total size of the MTD */
 	uint32_t erasesize;
-	uint32_t oobblock;  // Size of OOB blocks (e.g. 512)
-	uint32_t oobsize;   // Amount of OOB data per block (e.g. 16)
+	uint32_t oobblock;  /* Size of OOB blocks (e.g. 512) */
+	uint32_t oobsize;   /* Amount of OOB data per block (e.g. 16) */
 	uint32_t ecctype;
 	uint32_t eccsize;
 };
 
 struct region_info_user {
-	uint32_t offset;		/* At which this region starts, 
+	uint32_t offset;		/* At which this region starts,
 					 * from the beginning of the MTD */
 	uint32_t erasesize;		/* For this region */
 	uint32_t numblocks;		/* Number of blocks in this region */
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 9ef4cced5e..13e90803a1 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * $Id: mtd.h,v 1.56 2004/08/09 18:46:04 dmarlin Exp $
  *
  * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
@@ -46,7 +46,7 @@ struct mtd_erase_region_info {
 struct mtd_info {
 	u_char type;
 	u_int32_t flags;
-	u_int32_t size;	 // Total size of the MTD
+	u_int32_t size;	 /* Total size of the MTD */
 
 	/* "Major" erase size for the device. Naïve users may take this
 	 * to be the only erase size available, or may use the more detailed
@@ -54,25 +54,25 @@ struct mtd_info {
 	 */
 	u_int32_t erasesize;
 
-	u_int32_t oobblock;  // Size of OOB blocks (e.g. 512)
-	u_int32_t oobsize;   // Amount of OOB data per block (e.g. 16)
-	u_int32_t oobavail;  // Number of bytes in OOB area available for fs 
+	u_int32_t oobblock;  /* Size of OOB blocks (e.g. 512) */
+	u_int32_t oobsize;   /* Amount of OOB data per block (e.g. 16) */
+	u_int32_t oobavail;  /* Number of bytes in OOB area available for fs  */
 	u_int32_t ecctype;
 	u_int32_t eccsize;
-	
 
-	// Kernel-only stuff starts here.
+
+	/* Kernel-only stuff starts here. */
 	char *name;
 	int index;
 
-	// oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO)
+	/* oobinfo is a nand_oobinfo structure, which can be set by iotcl (MEMSETOOBINFO) */
 	struct nand_oobinfo oobinfo;
 
 	/* Data for variable erase regions. If numeraseregions is zero,
-	 * it means that the whole device has erasesize as given above. 
+	 * it means that the whole device has erasesize as given above.
 	 */
 	int numeraseregions;
-	struct mtd_erase_region_info *eraseregions; 
+	struct mtd_erase_region_info *eraseregions;
 
 	/* This really shouldn't be here. It can go away in 2.5 */
 	u_int32_t bank_size;
@@ -95,10 +95,10 @@ struct mtd_info {
 	int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 	int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
 
-	/* 
-	 * Methods to access the protection register area, present in some 
+	/*
+	 * Methods to access the protection register area, present in some
 	 * flash devices. The user data is one time programmable but the
-	 * factory data is read only. 
+	 * factory data is read only.
 	 */
 	int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 
@@ -109,14 +109,14 @@ struct mtd_info {
 #if 0
 	/* kvec-based read/write methods. We need these especially for NAND flash,
 	   with its limited number of write cycles per erase.
-	   NB: The 'count' parameter is the number of _vectors_, each of 
+	   NB: The 'count' parameter is the number of _vectors_, each of
 	   which contains an (ofs, len) tuple.
 	*/
 	int (*readv) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, size_t *retlen);
-	int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from, 
+	int (*readv_ecc) (struct mtd_info *mtd, struct kvec *vecs, unsigned long count, loff_t from,
 		size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel);
 	int (*writev) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen);
-	int (*writev_ecc) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to, 
+	int (*writev_ecc) (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, loff_t to,
 		size_t *retlen, u_char *eccbuf, struct nand_oobinfo *oobsel);
 #endif
 	/* Sync */
@@ -179,7 +179,7 @@ int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
 #define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args)
 #define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args)
 #define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args)
-#define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd);  } while (0) 
+#define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd);  } while (0)
 
 
 #ifdef CONFIG_MTD_PARTITIONS
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 9a0108f78c..065e1cb4e4 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -24,7 +24,7 @@
  *			bat later if I did something naughty.
  *   10-11-2000 SJH     Added private NAND flash structure for driver
  *   10-24-2000 SJH     Added prototype for 'nand_scan' function
- *   10-29-2001 TG	changed nand_chip structure to support 
+ *   10-29-2001 TG	changed nand_chip structure to support
  *			hardwarespecific function for accessing control lines
  *   02-21-2002 TG	added support for different read/write adress and
  *			ready/busy line access function
@@ -36,14 +36,14 @@
  *			CONFIG_MTD_NAND_ECC_JFFS2 is not set
  *   08-10-2002 TG	extensions to nand_chip structure to support HW-ECC
  *
- *   08-29-2002 tglx 	nand_chip structure: data_poi for selecting 
+ *   08-29-2002 tglx 	nand_chip structure: data_poi for selecting
  *			internal / fs-driver buffer
  *			support for 6byte/512byte hardware ECC
  *			read_ecc, write_ecc extended for different oob-layout
  *			oob layout selections: NAND_NONE_OOB, NAND_JFFS2_OOB,
  *			NAND_YAFFS_OOB
  *  11-25-2002 tglx	Added Manufacturer code FUJITSU, NATIONAL
- *			Split manufacturer and device ID structures 
+ *			Split manufacturer and device ID structures
  *
  *  02-08-2004 tglx 	added option field to nand structure for chip anomalities
  *  05-25-2004 tglx 	added bad block table support, ST-MICRO manufacturer id
@@ -120,7 +120,7 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_
 #define NAND_STATUS_READY	0x40
 #define NAND_STATUS_WP		0x80
 
-/* 
+/*
  * Constants for ECC_MODES
  */
 
@@ -162,12 +162,12 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_
 #define NAND_CACHEPRG		0x00000008
 /* Chip has copy back function */
 #define NAND_COPYBACK		0x00000010
-/* AND Chip which has 4 banks and a confusing page / block 
+/* AND Chip which has 4 banks and a confusing page / block
  * assignment. See Renesas datasheet for further information */
 #define NAND_IS_AND		0x00000020
 /* Chip has a array of 4 pages which can be read without
  * additional ready /busy waits */
-#define NAND_4PAGE_ARRAY	0x00000040 
+#define NAND_4PAGE_ARRAY	0x00000040
 
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS \
@@ -186,8 +186,8 @@ extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_
 /* Use a flash based bad block table. This option is passed to the
  * default bad block table function. */
 #define NAND_USE_FLASH_BBT	0x00010000
-/* The hw ecc generator provides a syndrome instead a ecc value on read 
- * This can only work if we have the ecc bytes directly behind the 
+/* The hw ecc generator provides a syndrome instead a ecc value on read
+ * This can only work if we have the ecc bytes directly behind the
  * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */
 #define NAND_HWECC_SYNDROME	0x00020000
 
@@ -218,7 +218,7 @@ struct nand_chip;
 #if 0
 /**
  * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices
- * @lock:               protection lock  
+ * @lock:               protection lock
  * @active:		the mtd device which holds the controller currently
  */
 struct nand_hw_control {
@@ -229,8 +229,8 @@ struct nand_hw_control {
 
 /**
  * struct nand_chip - NAND Private Flash Chip Data
- * @IO_ADDR_R:		[BOARDSPECIFIC] address to read the 8 I/O lines of the flash device 
- * @IO_ADDR_W:		[BOARDSPECIFIC] address to write the 8 I/O lines of the flash device 
+ * @IO_ADDR_R:		[BOARDSPECIFIC] address to read the 8 I/O lines of the flash device
+ * @IO_ADDR_W:		[BOARDSPECIFIC] address to write the 8 I/O lines of the flash device
  * @read_byte:		[REPLACEABLE] read one byte from the chip
  * @write_byte:		[REPLACEABLE] write one byte to the chip
  * @read_word:		[REPLACEABLE] read one word from the chip
@@ -253,7 +253,7 @@ struct nand_hw_control {
  *			be provided if a hardware ECC is available
  * @erase_cmd:		[INTERN] erase command write function, selectable due to AND support
  * @scan_bbt:		[REPLACEABLE] function to scan bad block table
- * @eccmode:		[BOARDSPECIFIC] mode of ecc, see defines 
+ * @eccmode:		[BOARDSPECIFIC] mode of ecc, see defines
  * @eccsize: 		[INTERN] databytes used per ecc-calculation
  * @eccbytes: 		[INTERN] number of ecc bytes per ecc-calculation step
  * @eccsteps:		[INTERN] number of ecc calculation steps per page
@@ -265,7 +265,7 @@ struct nand_hw_control {
  * @phys_erase_shift:	[INTERN] number of address bits in a physical eraseblock
  * @bbt_erase_shift:	[INTERN] number of address bits in a bbt entry
  * @chip_shift:		[INTERN] number of address bits in one chip
- * @data_buf:		[INTERN] internal buffer for one page + oob 
+ * @data_buf:		[INTERN] internal buffer for one page + oob
  * @oob_buf:		[INTERN] oob buffer for one eraseblock
  * @oobdirty:		[INTERN] indicates that oob_buf must be reinitialized
  * @data_poi:		[INTERN] pointer to a data buffer
@@ -280,20 +280,20 @@ struct nand_hw_control {
  * @bbt:		[INTERN] bad block table pointer
  * @bbt_td:		[REPLACEABLE] bad block table descriptor for flash lookup
  * @bbt_md:		[REPLACEABLE] bad block table mirror descriptor
- * @badblock_pattern:	[REPLACEABLE] bad block scan pattern used for initial bad block scan 
+ * @badblock_pattern:	[REPLACEABLE] bad block scan pattern used for initial bad block scan
  * @controller:		[OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices
  * @priv:		[OPTIONAL] pointer to private chip date
  */
- 
+
 struct nand_chip {
 	void  __iomem	*IO_ADDR_R;
 	void  __iomem 	*IO_ADDR_W;
-	
+
 	u_char		(*read_byte)(struct mtd_info *mtd);
 	void		(*write_byte)(struct mtd_info *mtd, u_char byte);
 	u16		(*read_word)(struct mtd_info *mtd);
 	void		(*write_word)(struct mtd_info *mtd, u16 word);
-	
+
 	void		(*write_buf)(struct mtd_info *mtd, const u_char *buf, int len);
 	void		(*read_buf)(struct mtd_info *mtd, u_char *buf, int len);
 	int		(*verify_buf)(struct mtd_info *mtd, const u_char *buf, int len);
@@ -358,7 +358,7 @@ struct nand_chip {
  * @name:  	Identify the device type
  * @id:   	device ID code
  * @pagesize:  	Pagesize in bytes. Either 256 or 512 or 0
- *		If the pagesize is 0, then the real pagesize 
+ *		If the pagesize is 0, then the real pagesize
  *		and the eraseize are determined from the
  *		extended id bytes in the chip
  * @erasesize: 	Size of an erase block in the flash device.
@@ -387,7 +387,7 @@ struct nand_manufacturers {
 extern struct nand_flash_dev nand_flash_ids[];
 extern struct nand_manufacturers nand_manuf_ids[];
 
-/** 
+/**
  * struct nand_bbt_descr - bad block table descriptor
  * @options:	options for this descriptor
  * @pages:	the page(s) where we find the bbt, used with option BBT_ABSPAGE
@@ -398,14 +398,14 @@ extern struct nand_manufacturers nand_manuf_ids[];
  * @version:	version read from the bbt page during scan
  * @len:	length of the pattern, if 0 no pattern check is performed
  * @maxblocks:	maximum number of blocks to search for a bbt. This number of
- *		blocks is reserved at the end of the device where the tables are 
+ *		blocks is reserved at the end of the device where the tables are
  *		written.
  * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than
  *              bad) block in the stored bbt
- * @pattern:	pattern to identify bad block table or factory marked good / 
+ * @pattern:	pattern to identify bad block table or factory marked good /
  *		bad blocks, can be NULL, if len = 0
  *
- * Descriptor for the bad block table marker and the descriptor for the 
+ * Descriptor for the bad block table marker and the descriptor for the
  * pattern which identifies good and bad blocks. The assumption is made
  * that the pattern and the version count are always located in the oob area
  * of the first block.
diff --git a/include/nand.h b/include/nand.h
index 29580da4fe..6dbaa42402 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -24,7 +24,7 @@
 #ifndef _NAND_H_
 #define _NAND_H_
 
-#include <linux_compat.h>
+#include <linux/mtd/compat.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>