+++ /dev/null
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2010 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.
- */
-
-#include "yaffscfg.h"
-#include "yaffsfs.h"
-#include "yaffs_fileem2k.h"
-#include "yaffs_nandemul2k.h"
-#include "yaffs_norif1.h"
-#include "yaffs_trace.h"
-
-#include <errno.h>
-
-unsigned yaffs_traceMask =
-
- YAFFS_TRACE_SCAN |
- YAFFS_TRACE_GC |
- YAFFS_TRACE_ERASE |
- YAFFS_TRACE_ERROR |
- YAFFS_TRACE_TRACING |
- YAFFS_TRACE_ALLOCATE |
- YAFFS_TRACE_BAD_BLOCKS |
- YAFFS_TRACE_VERIFY |
-
- 0;
-
-
-static int yaffsfs_lastError;
-
-void yaffsfs_SetError(int err)
-{
- //Do whatever to set error
- yaffsfs_lastError = err;
-}
-
-
-int yaffsfs_GetLastError(void)
-{
- return yaffsfs_lastError;
-}
-
-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)
-{
- void * 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
-
-#include "yaffs_ramdisk.h"
-#include "yaffs_flashif.h"
-#include "yaffs_flashif2.h"
-#include "yaffs_nandemul2k.h"
-
-static yaffs_Device ram1Dev;
-static yaffs_Device flashDev;
-static yaffs_Device ram2kDev;
-static yaffs_Device m18_1Dev;
-
-static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
-
- { "/ram1", &ram1Dev},
- { "/M18-1", &m18_1Dev},
- { "/yaffs2", &flashDev},
- { "/ram2k", &ram2kDev},
- { NULL, NULL } /* Null entry to terminate list */
-};
-
-
-int yaffs_StartUp(void)
-{
- // Stuff to configure YAFFS
- // Stuff to initialise anything special (eg lock semaphore).
- yaffsfs_LocalInitialisation();
-
- // Set up devices
- // /ram1 ram, yaffs1
- memset(&ram1Dev,0,sizeof(ram1Dev));
- 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.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.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);
-
- return 0;
-}
-
-
-
projects / yaffs2.git / blobdiff