/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2007 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
+ * Copyright (C) 2002-2018 Aleph One Ltd.
*
* Created by Charles Manning <charles@aleph1.co.uk>
*
/* XXX U-BOOT XXX */
#include <common.h>
-const char *yaffs_mtdif_c_version =
- "$Id: yaffs_mtdif.c,v 1.19 2007/02/14 01:09:06 wookey Exp $";
-
#include "yportenv.h"
#include "linux/time.h"
#include "linux/mtd/nand.h"
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-static struct nand_oobinfo yaffs_oobinfo = {
- .useecc = 1,
- .eccbytes = 6,
- .eccpos = {8, 9, 10, 13, 14, 15}
-};
-
-static struct nand_oobinfo yaffs_noeccinfo = {
- .useecc = 0,
-};
-#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
static inline void translate_spare2oob(const struct yaffs_spare *spare, u8 *oob)
{
oob[0] = spare->tb0;
oob[3] = spare->tb3;
oob[4] = spare->tb4;
oob[5] = spare->tb5 & 0x3f;
- oob[5] |= spare->block_status == 'Y' ? 0: 0x80;
- oob[5] |= spare->page_status == 0 ? 0: 0x40;
+ oob[5] |= spare->block_status == 'Y' ? 0 : 0x80;
+ oob[5] |= spare->page_status == 0 ? 0 : 0x40;
oob[6] = spare->tb6;
oob[7] = spare->tb7;
}
nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */
}
-#endif
-int nandmtd_WriteChunkToNAND(struct yaffs_dev * dev, int chunkInNAND,
- const u8 * data, const struct yaffs_spare * spare)
+
+int nandmtd_WriteChunkToNAND(struct yaffs_dev *dev, int chunkInNAND,
+ const u8 *data, const struct yaffs_spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->driver_context);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
struct mtd_oob_ops ops;
-#endif
size_t dummy;
int retval = 0;
-
- loff_t addr = ((loff_t) chunkInNAND) * dev->data_bytes_per_chunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+ loff_t addr = ((loff_t) chunkInNAND) * dev->param.total_bytes_per_chunk;
u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
ops.oobbuf = spareAsBytes;
retval = mtd->write_oob(mtd, addr, &ops);
}
-#else
- u8 *spareAsBytes = (u8 *) spare;
-
- if (data && spare) {
- if (dev->param.use_nand_ecc)
- retval =
- mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk,
- &dummy, data, spareAsBytes,
- &yaffs_oobinfo);
- else
- retval =
- mtd->write_ecc(mtd, addr, dev->data_bytes_per_chunk,
- &dummy, data, spareAsBytes,
- &yaffs_noeccinfo);
- } else {
- if (data)
- retval =
- mtd->write(mtd, addr, dev->data_bytes_per_chunk, &dummy,
- data);
- if (spare)
- retval =
- mtd->write_oob(mtd, addr, YAFFS_BYTES_PER_SPARE,
- &dummy, spareAsBytes);
- }
-#endif
if (retval == 0)
return YAFFS_OK;
return YAFFS_FAIL;
}
-int nandmtd_ReadChunkFromNAND(struct yaffs_dev * dev, int chunkInNAND, u8 * data,
- struct yaffs_spare * spare)
+int nandmtd_ReadChunkFromNAND(struct yaffs_dev *dev, int chunkInNAND, u8 *data,
+ struct yaffs_spare *spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->driver_context);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
struct mtd_oob_ops ops;
-#endif
size_t dummy;
int retval = 0;
- loff_t addr = ((loff_t) chunkInNAND) * dev->data_bytes_per_chunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+ loff_t addr = ((loff_t) chunkInNAND) * dev->param.total_bytes_per_chunk;
u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
if (dev->param.use_nand_ecc)
translate_oob2spare(spare, spareAsBytes);
}
-#else
- u8 *spareAsBytes = (u8 *) spare;
-
- if (data && spare) {
- if (dev->param.use_nand_ecc) {
- /* Careful, this call adds 2 ints */
- /* to the end of the spare data. Calling function */
- /* should allocate enough memory for spare, */
- /* i.e. [YAFFS_BYTES_PER_SPARE+2*sizeof(int)]. */
- retval =
- mtd->read_ecc(mtd, addr, dev->data_bytes_per_chunk,
- &dummy, data, spareAsBytes,
- &yaffs_oobinfo);
- } else {
- retval =
- mtd->read_ecc(mtd, addr, dev->data_bytes_per_chunk,
- &dummy, data, spareAsBytes,
- &yaffs_noeccinfo);
- }
- } else {
- if (data)
- retval =
- mtd->read(mtd, addr, dev->data_bytes_per_chunk, &dummy,
- data);
- if (spare)
- retval =
- mtd->read_oob(mtd, addr, YAFFS_BYTES_PER_SPARE,
- &dummy, spareAsBytes);
- }
-#endif
if (retval == 0)
return YAFFS_OK;
return YAFFS_FAIL;
}
-int nandmtd_EraseBlockInNAND(struct yaffs_dev * dev, int blockNumber)
+int nandmtd_EraseBlockInNAND(struct yaffs_dev *dev, int blockNumber)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->driver_context);
__u32 addr =
- ((loff_t) blockNumber) * dev->data_bytes_per_chunk
+ ((loff_t) blockNumber) * dev->param.total_bytes_per_chunk
* dev->param.chunks_per_block;
struct erase_info ei;
int retval = 0;
/* Todo finish off the ei if required */
-/* XXX U-BOOT XXX */
-#if 0
- sema_init(&dev->sem, 0);
-#endif
retval = mtd->erase(mtd, &ei);
return YAFFS_FAIL;
}
-int nandmtd_InitialiseNAND(struct yaffs_dev * dev)
+int nandmtd_InitialiseNAND(struct yaffs_dev *dev)
{
return YAFFS_OK;
}