diff options
Diffstat (limited to 'fs/yaffs2/direct/yaffscfg2k.c')
| -rw-r--r-- | fs/yaffs2/direct/yaffscfg2k.c | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/fs/yaffs2/direct/yaffscfg2k.c b/fs/yaffs2/direct/yaffscfg2k.c deleted file mode 100644 index 1daede1..0000000 --- a/fs/yaffs2/direct/yaffscfg2k.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * 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 - * - * 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. - */ - -/* - * yaffscfg2k.c The configuration for the "direct" use of yaffs. - * - * This file is intended to be modified to your requirements. - * There is no need to redistribute this file. - */ - -/* XXX U-BOOT XXX */ -#include <common.h> - -#include "yaffscfg.h" -#include "yaffsfs.h" -#include "yaffs_fileem2k.h" -#include "yaffs_nandemul2k.h" - -#include <errno.h> - -unsigned yaffs_traceMask = - - YAFFS_TRACE_SCAN | - YAFFS_TRACE_GC | YAFFS_TRACE_GC_DETAIL | - YAFFS_TRACE_ERASE | - YAFFS_TRACE_TRACING | - YAFFS_TRACE_ALLOCATE | - YAFFS_TRACE_CHECKPOINT | - YAFFS_TRACE_BAD_BLOCKS | - YAFFS_TRACE_VERIFY | - YAFFS_TRACE_VERIFY_NAND | - YAFFS_TRACE_VERIFY_FULL | -// (~0) | - - 0; - - - -void yaffsfs_SetError(int err) -{ - //Do whatever to set error - errno = err; -} - -void yaffsfs_Lock(void) -{ -} - -void yaffsfs_Unlock(void) -{ -} - -__u32 yaffsfs_CurrentTime(void) -{ - return 0; -} - - -static int yaffs_kill_alloc = 0; -static size_t total_malloced = 0; -static size_t malloc_limit = 0 & 6000000; - -void *yaffs_malloc(size_t size) -{ - size_t this; - if(yaffs_kill_alloc) - return NULL; - if(malloc_limit && malloc_limit <(total_malloced + size) ) - return NULL; - - this = malloc(size); - if(this) - total_malloced += size; - return this; -} - -void yaffs_free(void *ptr) -{ - free(ptr); -} - -void yaffsfs_LocalInitialisation(void) -{ - // 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. -// - -#include "yaffs_ramdisk.h" -#include "yaffs_flashif.h" -#include "yaffs_nandemul2k.h" - -static yaffs_Device ramDev; -static yaffs_Device bootDev; -static yaffs_Device flashDev; -static yaffs_Device ram2kDev; - -static yaffsfs_DeviceConfiguration yaffsfs_config[] = { -#if 0 - { "/ram", &ramDev}, - { "/boot", &bootDev}, - { "/flash/", &flashDev}, - { "/ram2k", &ram2kDev}, - {(void *)0,(void *)0} -#else - { "/", &ramDev}, - { "/flash/boot", &bootDev}, - { "/flash/flash", &flashDev}, - { "/ram2k", &ram2kDev}, - {(void *)0,(void *)0} /* Null entry to terminate list */ -#endif -}; - - -int yaffs_StartUp(void) -{ - // Stuff to configure YAFFS - // Stuff to initialise anything special (eg lock semaphore). - yaffsfs_LocalInitialisation(); - - // Set up devices - // /ram - memset(&ramDev,0,sizeof(ramDev)); - ramDev.nDataBytesPerChunk = 512; - ramDev.nChunksPerBlock = 32; - ramDev.nReservedBlocks = 2; // Set this smaller for RAM - ramDev.startBlock = 0; // Can use block 0 - ramDev.endBlock = 127; // Last block in 2MB. - //ramDev.useNANDECC = 1; - ramDev.nShortOpCaches = 0; // Disable caching on this device. - ramDev.genericDevice = (void *) 0; // Used to identify the device in fstat. - ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND; - ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND; - ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND; - ramDev.initialiseNAND = yramdisk_InitialiseNAND; - - // /boot - memset(&bootDev,0,sizeof(bootDev)); - bootDev.nDataBytesPerChunk = 512; - bootDev.nChunksPerBlock = 32; - bootDev.nReservedBlocks = 5; - bootDev.startBlock = 0; // Can use block 0 - bootDev.endBlock = 63; // Last block - //bootDev.useNANDECC = 0; // use YAFFS's ECC - bootDev.nShortOpCaches = 10; // Use caches - bootDev.genericDevice = (void *) 1; // Used to identify the device in fstat. - bootDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND; - bootDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; - bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND; - bootDev.initialiseNAND = yflash_InitialiseNAND; - bootDev.markNANDBlockBad = yflash_MarkNANDBlockBad; - bootDev.queryNANDBlock = yflash_QueryNANDBlock; - - - - // /flash - // Set this puppy up to use - // the file emulation space as - // 2kpage/64chunk per block/128MB device - memset(&flashDev,0,sizeof(flashDev)); - - flashDev.nDataBytesPerChunk = 2048; - flashDev.nChunksPerBlock = 64; - flashDev.nReservedBlocks = 5; - flashDev.nCheckpointReservedBlocks = 5; - //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 = yflash_WriteChunkWithTagsToNAND; - flashDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; - flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND; - flashDev.initialiseNAND = yflash_InitialiseNAND; - flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad; - flashDev.queryNANDBlock = yflash_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.nDataBytesPerChunk = 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; - - yaffs_initialise(yaffsfs_config); - - return 0; -} - - - -void SetCheckpointReservedBlocks(int n) -{ - flashDev.nCheckpointReservedBlocks = n; -} |