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authorSimon Glass <sjg@chromium.org>2016-10-02 18:00:59 -0600
committerTom Rini <trini@konsulko.com>2016-10-06 20:40:26 -0400
commitb2482dffa04b79f3878117364c1f3cbf7771117f (patch)
tree57326e92b1a8150c74225f785d5457a087a231d9
parent9dd05fb8c83576fe9662beafe1f98e936ca2cd3a (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>
-rw-r--r--README12
-rw-r--r--doc/README.JFFS243
-rw-r--r--doc/README.JFFS2_NAND20
3 files changed, 6 insertions, 69 deletions
diff --git a/README b/README
index 26c434b8045..5ffe14b7771 100644
--- a/README
+++ b/README
@@ -1656,23 +1656,13 @@ The following options need to be configured:
If not defined the default value "mbr" is used.
- Journaling Flash filesystem support:
- CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
- CONFIG_JFFS2_NAND_DEV
+ CONFIG_JFFS2_NAND
Define these for a default partition on a NAND device
CONFIG_SYS_JFFS2_FIRST_SECTOR,
CONFIG_SYS_JFFS2_FIRST_BANK, CONFIG_SYS_JFFS2_NUM_BANKS
Define these for a default partition on a NOR device
- CONFIG_SYS_JFFS_CUSTOM_PART
- Define this to create an own partition. You have to provide a
- function struct part_info* jffs2_part_info(int part_num)
-
- If you define only one JFFS2 partition you may also want to
- #define CONFIG_SYS_JFFS_SINGLE_PART 1
- to disable the command chpart. This is the default when you
- have not defined a custom partition
-
- FAT(File Allocation Table) filesystem write function support:
CONFIG_FAT_WRITE
diff --git a/doc/README.JFFS2 b/doc/README.JFFS2
index f0e9bc1b37a..604e5b9686d 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 &part;
-
- 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 &part;
- }
- return 0;
-}
-#endif
---
TODO.
diff --git a/doc/README.JFFS2_NAND b/doc/README.JFFS2_NAND
index 09788d53481..92fa0f6ea86 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.