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authorwdenk <wdenk>2004-04-18 19:43:36 +0000
committerwdenk <wdenk>2004-04-18 19:43:36 +0000
commit998eaaecd46ee5f00550e30e606cb5556e0b9345 (patch)
tree3b9784427a7c1ffd08d8b912d81c78681943b82c /common/cmd_jffs2.c
parent6e5923851ec5c11a36136abc77160d834537c4dd (diff)
* Configure PPChameleon board to use redundand environment in flashLABEL_2004_04_18_2135
* Configure PPChameleon board to use JFFS2 NAND support. * Added support for JFFS2 filesystem (read-only) on top of NAND flash
Diffstat (limited to 'common/cmd_jffs2.c')
-rw-r--r--common/cmd_jffs2.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
index c4f5a9715..3cf00b8e2 100644
--- a/common/cmd_jffs2.c
+++ b/common/cmd_jffs2.c
@@ -49,6 +49,8 @@ static int part_num=0;
static struct part_info part;
+#ifndef CONFIG_JFFS2_NAND
+
struct part_info*
jffs2_part_info(int part_num)
{
@@ -88,6 +90,33 @@ jffs2_part_info(int part_num)
}
return 0;
}
+
+#else /* CONFIG_JFFS2_NAND */
+
+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 = CONFIG_JFFS2_NAND_OFF;
+ part.size = CONFIG_JFFS2_NAND_SIZE; /* the bigger size the slower jffs2 */
+
+#ifndef CONFIG_JFFS2_NAND_DEV
+#define CONFIG_JFFS2_NAND_DEV 0
+#endif
+ /* nand device with the JFFS2 parition plus 1 */
+ part.usr_priv = (void*)(CONFIG_JFFS2_NAND_DEV+1);
+ return &part;
+ }
+ return 0;
+}
+
+#endif /* CONFIG_JFFS2_NAND */
#endif /* ifndef CFG_JFFS_CUSTOM_PART */
int