/*
* YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
#include "yaffs_fileem2k.h"
#include "yaffs_nandemul2k.h"
#include "yaffs_norif1.h"
+#include "yaffs_trace.h"
#include <errno.h>
YAFFS_TRACE_ERROR |
YAFFS_TRACE_TRACING |
YAFFS_TRACE_ALLOCATE |
- YAFFS_TRACE_CHECKPOINT |
YAFFS_TRACE_BAD_BLOCKS |
-
YAFFS_TRACE_VERIFY |
0;
// Define locking semaphore.
}
-// Configuration for:
-// /ram 2MB ramdisk
-// /boot 2MB boot disk (flash)
-// /flash 14MB flash disk (flash)
-// NB Though /boot and /flash occupy the same physical device they
-// are still disticnt "yaffs_Devices. You may think of these as "partitions"
-// using non-overlapping areas in the same device.
-//
+// Configuration
#include "yaffs_ramdisk.h"
#include "yaffs_flashif.h"
#include "yaffs_nandemul2k.h"
static yaffs_Device ram1Dev;
-static yaffs_Device nand2;
static yaffs_Device flashDev;
static yaffs_Device ram2kDev;
static yaffs_Device m18_1Dev;
{ "/M18-1", &m18_1Dev},
{ "/yaffs2", &flashDev},
{ "/ram2k", &ram2kDev},
- { "/flash/bigblock", &flashDev},
- {(void *)0,(void *)0} /* Null entry to terminate list */
+ { NULL, NULL } /* Null entry to terminate list */
};
// Set up devices
// /ram1 ram, yaffs1
memset(&ram1Dev,0,sizeof(ram1Dev));
- ram1Dev.totalBytesPerChunk = 512;
- ram1Dev.nChunksPerBlock = 32;
- ram1Dev.nReservedBlocks = 2; // Set this smaller for RAM
- ram1Dev.startBlock = 0; // Can use block 0
- ram1Dev.endBlock = 127; // Last block in 2MB.
- //ram1Dev.useNANDECC = 1;
- ram1Dev.nShortOpCaches = 0; // Disable caching on this device.
- ram1Dev.genericDevice = (void *) 0; // Used to identify the device in fstat.
- ram1Dev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
- ram1Dev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
- ram1Dev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
- ram1Dev.initialiseNAND = yramdisk_InitialiseNAND;
+ ram1Dev.param.totalBytesPerChunk = 512;
+ ram1Dev.param.nChunksPerBlock = 32;
+ ram1Dev.param.nReservedBlocks = 2; // Set this smaller for RAM
+ ram1Dev.param.startBlock = 0; // Can use block 0
+ ram1Dev.param.endBlock = 127; // Last block in 2MB.
+ //ram1Dev.param.useNANDECC = 1;
+ ram1Dev.param.nShortOpCaches = 0; // Disable caching on this device.
+ ram1Dev.context = (void *) 0; // Used to identify the device in fstat.
+ ram1Dev.param.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
+ ram1Dev.param.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
+ ram1Dev.param.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
+ ram1Dev.param.initialiseNAND = yramdisk_InitialiseNAND;
// /M18-1 yaffs1 on M18 nor sim
memset(&m18_1Dev,0,sizeof(m18_1Dev));
- m18_1Dev.totalBytesPerChunk = 1024;
- m18_1Dev.nChunksPerBlock =248;
- m18_1Dev.nReservedBlocks = 2;
- m18_1Dev.startBlock = 0; // Can use block 0
- m18_1Dev.endBlock = 31; // Last block
- m18_1Dev.useNANDECC = 0; // use YAFFS's ECC
- m18_1Dev.nShortOpCaches = 10; // Use caches
- m18_1Dev.genericDevice = (void *) 1; // Used to identify the device in fstat.
- m18_1Dev.writeChunkToNAND = ynorif1_WriteChunkToNAND;
- m18_1Dev.readChunkFromNAND = ynorif1_ReadChunkFromNAND;
- m18_1Dev.eraseBlockInNAND = ynorif1_EraseBlockInNAND;
- m18_1Dev.initialiseNAND = ynorif1_InitialiseNAND;
- m18_1Dev.deinitialiseNAND = ynorif1_DeinitialiseNAND;
-
-
- // /flash (yaffs2)
- // Set this puppy up to use
- // the file emulation space as
- // 2kpage/64chunk per block/128MB device
+ m18_1Dev.param.totalBytesPerChunk = 1024;
+ m18_1Dev.param.nChunksPerBlock =248;
+ m18_1Dev.param.nReservedBlocks = 2;
+ m18_1Dev.param.startBlock = 0; // Can use block 0
+ m18_1Dev.param.endBlock = 31; // Last block
+ m18_1Dev.param.useNANDECC = 0; // use YAFFS's ECC
+ m18_1Dev.param.nShortOpCaches = 10; // Use caches
+ m18_1Dev.context = (void *) 1; // Used to identify the device in fstat.
+ m18_1Dev.param.writeChunkToNAND = ynorif1_WriteChunkToNAND;
+ m18_1Dev.param.readChunkFromNAND = ynorif1_ReadChunkFromNAND;
+ m18_1Dev.param.eraseBlockInNAND = ynorif1_EraseBlockInNAND;
+ m18_1Dev.param.initialiseNAND = ynorif1_InitialiseNAND;
+ m18_1Dev.param.deinitialiseNAND = ynorif1_DeinitialiseNAND;
+
+
+ // /yaffs2 yaffs2 file emulation
+ // 2kpage/64chunk per block
+ //
memset(&flashDev,0,sizeof(flashDev));
- flashDev.totalBytesPerChunk = 512;
- flashDev.nChunksPerBlock = 64;
- flashDev.nReservedBlocks = 5;
- flashDev.inbandTags = 1;
- //flashDev.checkpointStartBlock = 1;
- //flashDev.checkpointEndBlock = 20;
- flashDev.startBlock = 0;
- flashDev.endBlock = 200; // Make it smaller
- //flashDev.endBlock = yflash_GetNumberOfBlocks()-1;
- flashDev.isYaffs2 = 1;
- flashDev.wideTnodesDisabled=0;
- flashDev.nShortOpCaches = 10; // Use caches
- flashDev.genericDevice = (void *) 2; // Used to identify the device in fstat.
- flashDev.writeChunkWithTagsToNAND = yflash2_WriteChunkWithTagsToNAND;
- flashDev.readChunkWithTagsFromNAND = yflash2_ReadChunkWithTagsFromNAND;
- flashDev.eraseBlockInNAND = yflash2_EraseBlockInNAND;
- flashDev.initialiseNAND = yflash2_InitialiseNAND;
- flashDev.markNANDBlockBad = yflash2_MarkNANDBlockBad;
- flashDev.queryNANDBlock = yflash2_QueryNANDBlock;
-
- // /ram2k
- // Set this puppy up to use
- // the file emulation space as
- // 2kpage/64chunk per block/128MB device
- memset(&ram2kDev,0,sizeof(ram2kDev));
-
- ram2kDev.totalBytesPerChunk = nandemul2k_GetBytesPerChunk();
- ram2kDev.nChunksPerBlock = nandemul2k_GetChunksPerBlock();
- ram2kDev.nReservedBlocks = 5;
- ram2kDev.startBlock = 0; // First block after /boot
- //ram2kDev.endBlock = 127; // Last block in 16MB
- ram2kDev.endBlock = nandemul2k_GetNumberOfBlocks() - 1; // Last block in 512MB
- ram2kDev.isYaffs2 = 1;
- ram2kDev.nShortOpCaches = 10; // Use caches
- ram2kDev.genericDevice = (void *) 3; // Used to identify the device in fstat.
- ram2kDev.writeChunkWithTagsToNAND = nandemul2k_WriteChunkWithTagsToNAND;
- ram2kDev.readChunkWithTagsFromNAND = nandemul2k_ReadChunkWithTagsFromNAND;
- ram2kDev.eraseBlockInNAND = nandemul2k_EraseBlockInNAND;
- ram2kDev.initialiseNAND = nandemul2k_InitialiseNAND;
- ram2kDev.markNANDBlockBad = nandemul2k_MarkNANDBlockBad;
- ram2kDev.queryNANDBlock = nandemul2k_QueryNANDBlock;
+ flashDev.param.totalBytesPerChunk = 2048;
+ flashDev.param.nChunksPerBlock = 64;
+ flashDev.param.nReservedBlocks = 5;
+ flashDev.param.inbandTags = 0;
+ flashDev.param.startBlock = 0;
+ flashDev.param.endBlock = yflash2_GetNumberOfBlocks()-1;
+ flashDev.param.isYaffs2 = 1;
+ flashDev.param.useNANDECC=1;
+ flashDev.param.wideTnodesDisabled=0;
+ flashDev.param.refreshPeriod = 1000;
+ flashDev.param.nShortOpCaches = 10; // Use caches
+ flashDev.context = (void *) 2; // Used to identify the device in fstat.
+ flashDev.param.writeChunkWithTagsToNAND = yflash2_WriteChunkWithTagsToNAND;
+ flashDev.param.readChunkWithTagsFromNAND = yflash2_ReadChunkWithTagsFromNAND;
+ flashDev.param.eraseBlockInNAND = yflash2_EraseBlockInNAND;
+ flashDev.param.initialiseNAND = yflash2_InitialiseNAND;
+ flashDev.param.markNANDBlockBad = yflash2_MarkNANDBlockBad;
+ flashDev.param.queryNANDBlock = yflash2_QueryNANDBlock;
+ flashDev.param.enableXattr = 1;
+
yaffs_initialise(yaffsfs_config);
-void SetCheckpointReservedBlocks(int n)
-{
-// flashDev.nCheckpointReservedBlocks = n;
-}
-