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| author | wdenk <wdenk> | 2004-04-18 19:43:36 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-04-18 19:43:36 +0000 |
| commit | 998eaaecd46ee5f00550e30e606cb5556e0b9345 (patch) | |
| tree | 3b9784427a7c1ffd08d8b912d81c78681943b82c /doc | |
| parent | 6e5923851ec5c11a36136abc77160d834537c4dd (diff) | |
| download | u-boot-998eaaecd46ee5f00550e30e606cb5556e0b9345.tar.gz u-boot-998eaaecd46ee5f00550e30e606cb5556e0b9345.tar.xz u-boot-998eaaecd46ee5f00550e30e606cb5556e0b9345.zip | |
* Configure PPChameleon board to use redundand environment in flashLABEL_2004_04_18_2135
* Configure PPChameleon board to use JFFS2 NAND support.
* Added support for JFFS2 filesystem (read-only) on top of NAND flash
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.JFFS2_NAND | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/README.JFFS2_NAND b/doc/README.JFFS2_NAND new file mode 100644 index 0000000000..a836d53be5 --- /dev/null +++ b/doc/README.JFFS2_NAND @@ -0,0 +1,24 @@ +JFFS2 NAND support: + +To ebable, use the following #define in the board configuration file: + +#define CONFIG_JFFS2_NAND 1 + +Configuration of partitions is similar to how this is done in U-Boot +for JFFS2 on top NOR flash. If a single parition is used, it can be +configured using the following #defines in the configuration file: + +#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */ +#define CONFIG_JFFS2_NAND_OFF 0 /* start of jffs2 partition */ +#define CONFIG_JFFS2_NAND_SIZE 2*1024*1024 /* size of jffs2 partition */ + +If more than a single partition is desired, the user can define a +CFG_JFFS_CUSTOM_PART macro and implement a + + struct part_info* jffs2_part_info(int part_num) + +function in a board-specific module. An example of such function is +available in common/cmd_jffs2.c + +The default configuration for the DAVE board has a single JFFS2 +partition of 2 MB size. |