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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/doc/README.JFFS2_NAND | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/doc/README.JFFS2_NAND')
-rw-r--r-- | roms/u-boot/doc/README.JFFS2_NAND | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/roms/u-boot/doc/README.JFFS2_NAND b/roms/u-boot/doc/README.JFFS2_NAND new file mode 100644 index 00000000..09788d53 --- /dev/null +++ b/roms/u-boot/doc/README.JFFS2_NAND @@ -0,0 +1,24 @@ +JFFS2 NAND support: + +To enable, 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 partition 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 +CONFIG_SYS_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. |