/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffs_mtdif.c NAND mtd wrapper functions.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
- *
*/
const char *yaffs_mtdif_c_version =
- "$Id: yaffs_mtdif.c,v 1.16 2006-11-08 06:24:34 charles Exp $";
+ "$Id: yaffs_mtdif.c,v 1.22 2009-03-06 17:20:51 wookey Exp $";
#include "yportenv.h"
#include "linux/time.h"
#include "linux/mtd/nand.h"
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
+#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 18))
static struct nand_oobinfo yaffs_oobinfo = {
.useecc = 1,
.eccbytes = 6,
};
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
{
oob[0] = spare->tagByte0;
oob[3] = spare->tagByte3;
oob[4] = spare->tagByte4;
oob[5] = spare->tagByte5 & 0x3f;
- oob[5] |= spare->blockStatus == 'Y' ? 0: 0x80;
- oob[5] |= spare->pageStatus == 0 ? 0: 0x40;
+ oob[5] |= spare->blockStatus == 'Y' ? 0 : 0x80;
+ oob[5] |= spare->pageStatus == 0 ? 0 : 0x40;
oob[6] = spare->tagByte6;
oob[7] = spare->tagByte7;
}
spare->tagByte5 = oob[5] == 0xff ? 0xff : oob[5] & 0x3f;
spare->blockStatus = oob[5] & 0x80 ? 0xff : 'Y';
spare->pageStatus = oob[5] & 0x40 ? 0xff : 0;
+ spare->ecc1[0] = spare->ecc1[1] = spare->ecc1[2] = 0xff;
spare->tagByte6 = oob[6];
spare->tagByte7 = oob[7];
+ spare->ecc2[0] = spare->ecc2[1] = spare->ecc2[2] = 0xff;
nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */
}
#endif
-int nandmtd_WriteChunkToNAND(yaffs_Device * dev, int chunkInNAND,
- const __u8 * data, const yaffs_Spare * spare)
+int nandmtd_WriteChunkToNAND(yaffs_Device *dev, int chunkInNAND,
+ const __u8 *data, const yaffs_Spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
return YAFFS_FAIL;
}
-int nandmtd_ReadChunkFromNAND(yaffs_Device * dev, int chunkInNAND, __u8 * data,
- yaffs_Spare * spare)
+int nandmtd_ReadChunkFromNAND(yaffs_Device *dev, int chunkInNAND, __u8 *data,
+ yaffs_Spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
__u8 *spareAsBytes = (__u8 *) spare;
if (data && spare) {
- if (dev->useNANDECC) {
+ if (dev->useNANDECC) {
/* Careful, this call adds 2 ints */
/* to the end of the spare data. Calling function */
/* should allocate enough memory for spare, */
return YAFFS_FAIL;
}
-int nandmtd_EraseBlockInNAND(yaffs_Device * dev, int blockNumber)
+int nandmtd_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
__u32 addr =
return YAFFS_FAIL;
}
-int nandmtd_InitialiseNAND(yaffs_Device * dev)
+int nandmtd_InitialiseNAND(yaffs_Device *dev)
{
return YAFFS_OK;
}