summaryrefslogtreecommitdiff
path: root/fs/yaffs2/direct/yaffscfg.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/yaffs2/direct/yaffscfg.c')
-rw-r--r--fs/yaffs2/direct/yaffscfg.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/fs/yaffs2/direct/yaffscfg.c b/fs/yaffs2/direct/yaffscfg.c
deleted file mode 100644
index a4a0924..0000000
--- a/fs/yaffs2/direct/yaffscfg.c
+++ /dev/null
@@ -1,417 +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.
- */
-
-/*
- * 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.
- */
-
-/* XXX U-BOOT XXX */
-#include <common.h>
-
-#include <config.h>
-#include "nand.h"
-#include "yaffscfg.h"
-#include "yaffsfs.h"
-#include "yaffs_packedtags2.h"
-#include "yaffs_mtdif.h"
-#include "yaffs_mtdif2.h"
-#if 0
-#include <errno.h>
-#else
-#include "malloc.h"
-#endif
-
-unsigned yaffs_traceMask = 0xFFFFFFFF;
-static int yaffs_errno = 0;
-
-void yaffsfs_SetError(int err)
-{
- //Do whatever to set error
- yaffs_errno = err;
-}
-
-int yaffsfs_GetError(void)
-{
- return yaffs_errno;
-}
-
-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 int isMounted = 0;
-#define MOUNT_POINT "/flash"
-extern nand_info_t nand_info[];
-
-/* XXX U-BOOT XXX */
-#if 0
-static yaffs_Device ramDev;
-static yaffs_Device bootDev;
-static yaffs_Device flashDev;
-#endif
-
-static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
-/* XXX U-BOOT XXX */
-#if 0
- { "/ram", &ramDev},
- { "/boot", &bootDev},
- { "/flash", &flashDev},
-#else
- { MOUNT_POINT, 0},
-#endif
- {(void *)0,(void *)0}
-};
-
-
-int yaffs_StartUp(void)
-{
- struct mtd_info *mtd = &nand_info[0];
- int yaffsVersion = 2;
- int nBlocks;
-
- yaffs_Device *flashDev = calloc(1, sizeof(yaffs_Device));
- yaffsfs_config[0].dev = flashDev;
-
- // Stuff to configure YAFFS
- // Stuff to initialise anything special (eg lock semaphore).
- yaffsfs_LocalInitialisation();
-
- // Set up devices
-
-/* XXX U-BOOT XXX */
-#if 0
- // /ram
- ramDev.nBytesPerChunk = 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.nBytesPerChunk = 612;
- 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;
-#endif
-
- // /flash
- flashDev->nReservedBlocks = 5;
-// flashDev->nShortOpCaches = (options.no_cache) ? 0 : 10;
- flashDev->nShortOpCaches = 10; // Use caches
- flashDev->useNANDECC = 0; // do not use YAFFS's ECC
-
- if (yaffsVersion == 2)
- {
- flashDev->writeChunkWithTagsToNAND = nandmtd2_WriteChunkWithTagsToNAND;
- flashDev->readChunkWithTagsFromNAND = nandmtd2_ReadChunkWithTagsFromNAND;
- flashDev->markNANDBlockBad = nandmtd2_MarkNANDBlockBad;
- flashDev->queryNANDBlock = nandmtd2_QueryNANDBlock;
- flashDev->spareBuffer = YMALLOC(mtd->oobsize);
- flashDev->isYaffs2 = 1;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
- flashDev->nDataBytesPerChunk = mtd->writesize;
- flashDev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
-#else
- flashDev->nDataBytesPerChunk = mtd->oobblock;
- flashDev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
-#endif
- nBlocks = mtd->size / mtd->erasesize;
-
- flashDev->nCheckpointReservedBlocks = 10;
- flashDev->startBlock = 0;
- flashDev->endBlock = nBlocks - 1;
- }
- else
- {
- flashDev->writeChunkToNAND = nandmtd_WriteChunkToNAND;
- flashDev->readChunkFromNAND = nandmtd_ReadChunkFromNAND;
- flashDev->isYaffs2 = 0;
- nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
- flashDev->startBlock = 320;
- flashDev->endBlock = nBlocks - 1;
- flashDev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
- flashDev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
- }
-
- /* ... and common functions */
- flashDev->eraseBlockInNAND = nandmtd_EraseBlockInNAND;
- flashDev->initialiseNAND = nandmtd_InitialiseNAND;
-
- yaffs_initialise(yaffsfs_config);
-
- return 0;
-}
-
-
-void make_a_file(char *yaffsName,char bval,int sizeOfFile)
-{
- int outh;
- int i;
- unsigned char buffer[100];
-
- outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
- if (outh < 0)
- {
- printf("Error opening file: %d\n", outh);
- return;
- }
-
- memset(buffer,bval,100);
-
- do{
- i = sizeOfFile;
- if(i > 100) i = 100;
- sizeOfFile -= i;
-
- yaffs_write(outh,buffer,i);
-
- } while (sizeOfFile > 0);
-
-
- yaffs_close(outh);
-}
-
-void read_a_file(char *fn)
-{
- int h;
- int i = 0;
- unsigned char b;
-
- h = yaffs_open(fn, O_RDWR,0);
- if(h<0)
- {
- printf("File not found\n");
- return;
- }
-
- while(yaffs_read(h,&b,1)> 0)
- {
- printf("%02x ",b);
- i++;
- if(i > 32)
- {
- printf("\n");
- i = 0;;
- }
- }
- printf("\n");
- yaffs_close(h);
-}
-
-void cmd_yaffs_mount(char *mp)
-{
- yaffs_StartUp();
- int retval = yaffs_mount(mp);
- if( retval != -1)
- isMounted = 1;
- else
- printf("Error mounting %s, return value: %d\n", mp, yaffsfs_GetError());
-}
-
-static void checkMount(void)
-{
- if( !isMounted )
- {
- cmd_yaffs_mount(MOUNT_POINT);
- }
-}
-
-void cmd_yaffs_umount(char *mp)
-{
- checkMount();
- if( yaffs_unmount(mp) == -1)
- printf("Error umounting %s, return value: %d\n", mp, yaffsfs_GetError());
-}
-
-void cmd_yaffs_write_file(char *yaffsName,char bval,int sizeOfFile)
-{
- checkMount();
- make_a_file(yaffsName,bval,sizeOfFile);
-}
-
-
-void cmd_yaffs_read_file(char *fn)
-{
- checkMount();
- read_a_file(fn);
-}
-
-
-void cmd_yaffs_mread_file(char *fn, char *addr)
-{
- int h;
- struct yaffs_stat s;
-
- checkMount();
-
- yaffs_stat(fn,&s);
-
- printf ("Copy %s to 0x%08x... ", fn, addr);
- h = yaffs_open(fn, O_RDWR,0);
- if(h<0)
- {
- printf("File not found\n");
- return;
- }
-
- yaffs_read(h,addr,(int)s.st_size);
- printf("\t[DONE]\n");
-
- yaffs_close(h);
-}
-
-
-void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
-{
- int outh;
-
- checkMount();
- outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
- if (outh < 0)
- {
- printf("Error opening file: %d\n", outh);
- }
-
- yaffs_write(outh,addr,size);
-
- yaffs_close(outh);
-}
-
-
-void cmd_yaffs_ls(const char *mountpt, int longlist)
-{
- int i;
- yaffs_DIR *d;
- yaffs_dirent *de;
- struct yaffs_stat stat;
- char tempstr[255];
-
- checkMount();
- d = yaffs_opendir(mountpt);
-
- if(!d)
- {
- printf("opendir failed\n");
- }
- else
- {
- for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
- {
- if (longlist)
- {
- sprintf(tempstr, "%s/%s", mountpt, de->d_name);
- yaffs_stat(tempstr, &stat);
- printf("%-25s\t%7d\n",de->d_name, stat.st_size);
- }
- else
- {
- printf("%s\n",de->d_name);
- }
- }
- }
-}
-
-
-void cmd_yaffs_mkdir(const char *dir)
-{
- checkMount();
-
- int retval = yaffs_mkdir(dir, 0);
-
- if ( retval < 0)
- printf("yaffs_mkdir returning error: %d\n", retval);
-}
-
-void cmd_yaffs_rmdir(const char *dir)
-{
- checkMount();
-
- int retval = yaffs_rmdir(dir);
-
- if ( retval < 0)
- printf("yaffs_rmdir returning error: %d\n", retval);
-}
-
-void cmd_yaffs_rm(const char *path)
-{
- checkMount();
-
- int retval = yaffs_unlink(path);
-
- if ( retval < 0)
- printf("yaffs_unlink returning error: %d\n", retval);
-}
-
-void cmd_yaffs_mv(const char *oldPath, const char *newPath)
-{
- checkMount();
-
- int retval = yaffs_rename(newPath, oldPath);
-
- if ( retval < 0)
- printf("yaffs_unlink returning error: %d\n", retval);
-}
generated by cgit v1.1 at 2024-12-27 14:15:56 +0000