diff options
| author | Simon Glass <sjg@chromium.org> | 2016-10-02 18:00:59 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-10-06 20:40:26 -0400 |
| commit | b2482dffa04b79f3878117364c1f3cbf7771117f (patch) | |
| tree | 57326e92b1a8150c74225f785d5457a087a231d9 /doc | |
| parent | 9dd05fb8c83576fe9662beafe1f98e936ca2cd3a (diff) | |
README: Drop unused JFFS2 options
There appear to be neither implemented nor used. Drop them.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.JFFS2 | 43 | ||||
| -rw-r--r-- | doc/README.JFFS2_NAND | 20 |
2 files changed, 5 insertions, 58 deletions
diff --git a/doc/README.JFFS2 b/doc/README.JFFS2 index f0e9bc1b37..604e5b9686 100644 --- a/doc/README.JFFS2 +++ b/doc/README.JFFS2 @@ -19,52 +19,15 @@ more or less a bubble sort. That algorithm is known to be O(n^2), thus you should really consider if you can avoid it! -There is two ways for JFFS2 to find the disk. The default way uses -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. +There only one way for JFFS2 to find the disk. It uses 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. CONFIG_SYS_JFFS2_FIRST_BANK defined the first flash bank to use CONFIG_SYS_JFFS2_FIRST_SECTOR defines the first sector to use - - -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 CONFIG_SYS_JFFS2_FIRST_BANK and CONFIG_SYS_JFFS2_FIRST_SECTOR is not -used. - -The input is a partition number starting with 0. -Return a pointer to struct part_info or NULL for error; - -Ex jffs2_part_info() for one partition. ---- -#if defined CONFIG_SYS_JFFS_CUSTOM_PART -#include <jffs2/jffs2.h> - -static struct part_info part; - -struct part_info* -jffs2_part_info(int part_num) -{ - if(part_num==0){ - if(part.usr_priv==(void*)1) - return ∂ - - memset(&part, 0, sizeof(part)); - part.offset=(char*)0xFF800000; - part.size=1024*1024*8; - - /* Mark the struct as ready */ - part.usr_priv=(void*)1; - - return ∂ - } - return 0; -} -#endif --- TODO. diff --git a/doc/README.JFFS2_NAND b/doc/README.JFFS2_NAND index 09788d5348..92fa0f6ea8 100644 --- a/doc/README.JFFS2_NAND +++ b/doc/README.JFFS2_NAND @@ -2,23 +2,7 @@ JFFS2 NAND support: To enable, use the following #define in the board configuration file: -#define CONFIG_JFFS2_NAND 1 +#define CONFIG_JFFS2_NAND 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. +for JFFS2 on top NOR flash. |