* Patch by Matthew S. McClintock, 14 Apr 2004:

[u-boot] / include / fat.h

diff --git a/include/fat.h b/include/fat.h
index b56219ced8f3f3fa575afe9471e5b06df86c0024..3e7c91c9b657e35be6345dc993188f019157bb2a 100644 (file)
--- a/include/fat.h
+++ b/include/fat.h
@@ -43,7 +43,7 @@
 
 #define FATBUFBLOCKS   6
 #define FATBUFSIZE     (FS_BLOCK_SIZE*FATBUFBLOCKS)
-#define FAT12BUFSIZE   ((FATBUFSIZE*3)/2)
+#define FAT12BUFSIZE   ((FATBUFSIZE*2)/3)
 #define FAT16BUFSIZE   (FATBUFSIZE/2)
 #define FAT32BUFSIZE   (FATBUFSIZE/4)
 
@@ -67,6 +67,10 @@
 #define DELETED_FLAG   ((char)0xe5) /* Marks deleted files when in name[0] */
 #define aRING          0x05         /* Used to represent 'å' in name[0] */
 
+/* Indicates that the entry is the last long entry in a set of long
+ * dir entries
+ */
+#define LAST_LONG_ENTRY_MASK   0x40
 
 /* Flags telling whether we should read a file or list a directory */
 #define LS_NO  0
@@ -89,7 +93,7 @@
 #define FAT2CPU16      le16_to_cpu
 #define FAT2CPU32      le32_to_cpu
 #else
-#if 1
+#if __LITTLE_ENDIAN
 #define FAT2CPU16(x)   (x)
 #define FAT2CPU32(x)   (x)
 #else
@@ -176,7 +180,7 @@ typedef struct {
        __u16   fat_sect;       /* Starting sector of the FAT */
        __u16   rootdir_sect;   /* Start sector of root directory */
        __u16   clust_size;     /* Size of clusters in sectors */
-       __u16   data_begin;     /* The sector of the first cluster */
+       short   data_begin;     /* The sector of the first cluster, can be negative */
        __u8    fatbuf[FATBUFSIZE]; /* Current FAT buffer */
        int     fatbufnum;      /* Used by get_fatent, init to -1 */
 } fsdata;
@@ -204,5 +208,13 @@ int file_fat_detectfs(void);
 int file_fat_ls(const char *dir);
 long file_fat_read(const char *filename, void *buffer, unsigned long maxsize);
 const char *file_getfsname(int idx);
+int fat_register_device(block_dev_desc_t *dev_desc, int part_no);
+
+#ifdef CONFIG_PXA250
+#undef FAT2CPU16
+#define FAT2CPU16(x) x
+#undef FAT2CPU32
+#define FAT2CPU32(x) x
+#endif
 
 #endif /* _FAT_H_ */