Merge branch 'master' of git://git.denx.de/u-boot-arm
[pandora-u-boot.git] / fs / ext4 / dev.c
index 9e85228..1596a92 100644 (file)
 
 #include <common.h>
 #include <config.h>
+#include <ext4fs.h>
 #include <ext_common.h>
 
+unsigned long part_offset;
+
 static block_dev_desc_t *ext4fs_block_dev_desc;
-static disk_partition_t part_info;
+static disk_partition_t *part_info;
 
-int ext4fs_set_blk_dev(block_dev_desc_t *rbdd, int part)
+void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
 {
        ext4fs_block_dev_desc = rbdd;
-
-       if (part == 0) {
-               /* disk doesn't use partition table */
-               part_info.start = 0;
-               part_info.size = rbdd->lba;
-               part_info.blksz = rbdd->blksz;
-       } else {
-               if (get_partition_info(ext4fs_block_dev_desc,
-                                       part, &part_info))
-                       return 0;
-       }
-       return part_info.size;
+       part_info = info;
+       part_offset = info->start;
+       get_fs()->total_sect = (info->size * info->blksz) / SECTOR_SIZE;
 }
 
 int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
@@ -68,7 +62,7 @@ int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
        /* Check partition boundaries */
        if ((sector < 0)
            || ((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS)) >=
-               part_info.size)) {
+               part_info->size)) {
                printf("%s read outside partition %d\n", __func__, sector);
                return 0;
        }
@@ -88,7 +82,7 @@ int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
                /* read first part which isn't aligned with start of sector */
                if (ext4fs_block_dev_desc->
                    block_read(ext4fs_block_dev_desc->dev,
-                               part_info.start + sector, 1,
+                               part_info->start + sector, 1,
                                (unsigned long *) sec_buf) != 1) {
                        printf(" ** ext2fs_devread() read error **\n");
                        return 0;
@@ -111,14 +105,14 @@ int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
 
                block_len = SECTOR_SIZE;
                ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc->dev,
-                                                 part_info.start + sector,
+                                                 part_info->start + sector,
                                                  1, (unsigned long *)p);
                memcpy(buf, p, byte_len);
                return 1;
        }
 
        if (ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc->dev,
-                                              part_info.start + sector,
+                                              part_info->start + sector,
                                               block_len / SECTOR_SIZE,
                                               (unsigned long *) buf) !=
                                               block_len / SECTOR_SIZE) {
@@ -134,7 +128,7 @@ int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
                /* read rest of data which are not in whole sector */
                if (ext4fs_block_dev_desc->
                    block_read(ext4fs_block_dev_desc->dev,
-                               part_info.start + sector, 1,
+                               part_info->start + sector, 1,
                                (unsigned long *) sec_buf) != 1) {
                        printf("* %s read error - last part\n", __func__);
                        return 0;