+++ /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.
- */
-
-/*
- * yaffscfg.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 <errno.h>
-
-unsigned yaffs_traceMask = 0xFFFFFFFF;
-
-
-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;
-}
-
-void *yaffs_malloc(size_t size)
-{
- return malloc(size);
-}
-
-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"
-
-static yaffs_Device ramDev;
-static yaffs_Device bootDev;
-static yaffs_Device flashDev;
-
-static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
-
- { "/ram", &ramDev},
- { "/boot", &bootDev},
- { "/flash", &flashDev},
- {(void *)0,(void *)0}
-};
-
-
-int yaffs_StartUp(void)
-{
- // Stuff to configure YAFFS
- // Stuff to initialise anything special (eg lock semaphore).
- yaffsfs_LocalInitialisation();
-
- // Set up devices
-
- // /ram
- ramDev.nDataBytesPerChunk = 512;
- ramDev.nChunksPerBlock = 32;
- ramDev.nReservedBlocks = 2; // Set this smaller for RAM
- ramDev.startBlock = 1; // Can't 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
- bootDev.nDataBytesPerChunk = 512;
- bootDev.nChunksPerBlock = 32;
- bootDev.nReservedBlocks = 5;
- bootDev.startBlock = 1; // Can't use block 0
- bootDev.endBlock = 127; // Last block in 2MB.
- bootDev.useNANDECC = 0; // use YAFFS's ECC
- bootDev.nShortOpCaches = 10; // Use caches
- bootDev.genericDevice = (void *) 1; // Used to identify the device in fstat.
- bootDev.writeChunkToNAND = yflash_WriteChunkToNAND;
- bootDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
- bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
- bootDev.initialiseNAND = yflash_InitialiseNAND;
-
- // /flash
- flashDev.nDataBytesPerChunk = 512;
- flashDev.nChunksPerBlock = 32;
- flashDev.nReservedBlocks = 5;
- flashDev.startBlock = 128; // First block after 2MB
- flashDev.endBlock = 1023; // Last block in 16MB
- flashDev.useNANDECC = 0; // use YAFFS's ECC
- flashDev.nShortOpCaches = 10; // Use caches
- flashDev.genericDevice = (void *) 2; // Used to identify the device in fstat.
- flashDev.writeChunkToNAND = yflash_WriteChunkToNAND;
- flashDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
- flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
- flashDev.initialiseNAND = yflash_InitialiseNAND;
-
- yaffs_initialise(yaffsfs_config);
-
- return 0;
-}
-
-
-
-