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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/doc/README.JFFS2_NAND | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/doc/README.JFFS2_NAND')
-rw-r--r-- | roms/u-boot-sam460ex/doc/README.JFFS2_NAND | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/doc/README.JFFS2_NAND b/roms/u-boot-sam460ex/doc/README.JFFS2_NAND new file mode 100644 index 000000000..5018ae834 --- /dev/null +++ b/roms/u-boot-sam460ex/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 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. |