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>
diff --git a/fs/yaffs2/direct/yaffscfg.c b/fs/yaffs2/direct/yaffscfg.c
index b1d311e..a4a0924 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 @@
#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 @@
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 @@
}
+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);
+}