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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>
Simon Glass 7 years ago
parent
commit
b2482dffa0
3 changed files with 6 additions and 69 deletions
  1. 1 11
      README
  2. 3 40
      doc/README.JFFS2
  3. 2 18
      doc/README.JFFS2_NAND

+ 1 - 11
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
 

+ 3 - 40
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.

+ 2 - 18
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.