diff options
author | William Juul <william.juul@datarespons.no> | 2007-11-15 12:23:57 +0100 |
---|---|---|
committer | Scott Wood <scottwood@freescale.com> | 2008-08-12 11:31:19 -0500 |
commit | 90ef117b68387d66763291af0117677644166611 (patch) | |
tree | 829e4954f6d1b0976734c0d2ef2b2bbd173d7572 /fs/yaffs2/direct/yaffscfg.c | |
parent | 0e8cc8bd92257da2e1df88cbc985e166e472ce61 (diff) |
Incorporate yaffs2 into U-boot
To use YAFFS2 define CONFIG_YAFFS2
Signed-off-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'fs/yaffs2/direct/yaffscfg.c')
-rw-r--r-- | fs/yaffs2/direct/yaffscfg.c | 303 |
1 files changed, 288 insertions, 15 deletions
diff --git a/fs/yaffs2/direct/yaffscfg.c b/fs/yaffs2/direct/yaffscfg.c index b1d311e5693..a4a0924ef91 100644 --- a/fs/yaffs2/direct/yaffscfg.c +++ b/fs/yaffs2/direct/yaffscfg.c @@ -18,17 +18,34 @@ * 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 - errno = err; + yaffs_errno = err; +} + +int yaffsfs_GetError(void) +{ + return yaffs_errno; } void yaffsfs_Lock(void) @@ -71,27 +88,47 @@ void yaffsfs_LocalInitialisation(void) #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; @@ -119,20 +156,50 @@ int yaffs_StartUp(void) bootDev.readChunkFromNAND = yflash_ReadChunkFromNAND; bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND; bootDev.initialiseNAND = yflash_InitialiseNAND; +#endif // /flash - flashDev.nBytesPerChunk = 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; + 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); @@ -140,5 +207,211 @@ int yaffs_StartUp(void) } +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); +} |