X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2FREADME.JFFS2;h=f0e9bc1b37aacf8ebb8b0ddc50d61e577b1f9399;hb=76bce10d2131938fcd5b1bbb0479cdb66daffa29;hp=f854984558d26fd9f0bbbb451c8eef51757eebc3;hpb=8bde7f776c77b343aca29b8c7b58464d915ac245;p=oweals%2Fu-boot.git diff --git a/doc/README.JFFS2 b/doc/README.JFFS2 index f854984558..f0e9bc1b37 100644 --- a/doc/README.JFFS2 +++ b/doc/README.JFFS2 @@ -2,16 +2,17 @@ JFFS2 options and usage. ----------------------- JFFS2 in U-Boot is a read only implementation of the file system in -Linux with the same name. To use JFFS2 define CFG_CMD_JFFS2. +Linux with the same name. To use JFFS2 define CONFIG_CMD_JFFS2. The module adds three new commands. fsload - load binary file from a file system image fsinfo - print information about file systems ls - list files in a directory +chpart - change active partition If you boot from a partition which is mounted writable, and you update your boot environment by replacing single files on that -partition, you should also define CFG_JFFS2_SORT_FRAGMENTS. Scanning +partition, you should also define CONFIG_SYS_JFFS2_SORT_FRAGMENTS. Scanning the JFFS2 filesystem takes *much* longer with this feature, though. Sorting is done while inserting into the fragment list, which is more or less a bubble sort. That algorithm is known to be O(n^2), @@ -23,16 +24,16 @@ the flash_info structure to find the start of a JFFS2 disk (called partition in the code) and you can change where the partition is with two defines. -CFG_JFFS2_FIRST_BANK +CONFIG_SYS_JFFS2_FIRST_BANK defined the first flash bank to use -CFG_JFFS2_FIRST_SECTOR +CONFIG_SYS_JFFS2_FIRST_SECTOR defines the first sector to use -The second way is to define CFG_JFFS_CUSTOM_PART and implement the +The second way is to define CONFIG_SYS_JFFS_CUSTOM_PART and implement the jffs2_part_info(int part_num) function in your board specific files. -In this mode CFG_JFFS2_FIRST_BANK and CFG_JFFS2_FIRST_SECTOR is not +In this mode CONFIG_SYS_JFFS2_FIRST_BANK and CONFIG_SYS_JFFS2_FIRST_SECTOR is not used. The input is a partition number starting with 0. @@ -40,7 +41,7 @@ Return a pointer to struct part_info or NULL for error; Ex jffs2_part_info() for one partition. --- -#if defined CFG_JFFS_CUSTOM_PART +#if defined CONFIG_SYS_JFFS_CUSTOM_PART #include static struct part_info part; @@ -68,9 +69,6 @@ jffs2_part_info(int part_num) TODO. - Add a new command so it's actually possible to change - partition. - Remove the assumption that JFFS can dereference a pointer into the disk. The current code do not work with memory holes or hardware with a sliding window (PCMCIA).