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authorStefan Roese <sr@denx.de>2006-10-10 12:36:02 +0200
committerStefan Roese <sr@denx.de>2006-10-10 12:38:50 +0200
commit2255b2d2044d434463eb2661e18018e50f1643d9 (patch)
tree68cddf330cb3d40c29e0e3c01a5c0f85b706f82f /include
parenta3bb7bfc06a9ccb7e2f91ccc54a90ae69177214f (diff)
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* Several improvements to the new NAND subsystem:
- JFFS2 related commands implemented in mtd-utils style - Support for bad blocks - Bad block testing commands - NAND lock commands Please take a look at doc/README.nand for more details Patch by Guido Classen, 10 Oct 2006
Diffstat (limited to 'include')
-rw-r--r--include/nand.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/nand.h b/include/nand.h
index 905115b..5c7311f 100644
--- a/include/nand.h
+++ b/include/nand.h
@@ -60,4 +60,61 @@ static inline int nand_erase(nand_info_t *info, ulong off, ulong size)
return info->erase(info, &instr);
}
+
+/*****************************************************************************
+ * declarations from nand_util.c
+ ****************************************************************************/
+
+struct nand_write_options {
+ u_char *buffer; /* memory block containing image to write */
+ ulong length; /* number of bytes to write */
+ ulong offset; /* start address in NAND */
+ int quiet; /* don't display progress messages */
+ int autoplace; /* if true use auto oob layout */
+ int forcejffs2; /* force jffs2 oob layout */
+ int forceyaffs; /* force yaffs oob layout */
+ int noecc; /* write without ecc */
+ int writeoob; /* image contains oob data */
+ int pad; /* pad to page size */
+ int blockalign; /* 1|2|4 set multiple of eraseblocks
+ * to align to */
+};
+
+typedef struct nand_write_options nand_write_options_t;
+
+struct nand_read_options {
+ u_char *buffer; /* memory block in which read image is written*/
+ ulong length; /* number of bytes to read */
+ ulong offset; /* start address in NAND */
+ int quiet; /* don't display progress messages */
+ int readoob; /* put oob data in image */
+};
+
+typedef struct nand_read_options nand_read_options_t;
+
+struct nand_erase_options {
+ ulong length; /* number of bytes to erase */
+ ulong offset; /* first address in NAND to erase */
+ int quiet; /* don't display progress messages */
+ int jffs2; /* if true: format for jffs2 usage
+ * (write appropriate cleanmarker blocks) */
+ int scrub; /* if true, really clean NAND by erasing
+ * bad blocks (UNSAFE) */
+};
+
+typedef struct nand_erase_options nand_erase_options_t;
+
+int nand_write_opts(nand_info_t *meminfo, const nand_write_options_t *opts);
+
+int nand_read_opts(nand_info_t *meminfo, const nand_read_options_t *opts);
+int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
+
+#define NAND_LOCK_STATUS_TIGHT 0x01
+#define NAND_LOCK_STATUS_LOCK 0x02
+#define NAND_LOCK_STATUS_UNLOCK 0x04
+
+int nand_lock( nand_info_t *meminfo, int tight );
+int nand_unlock( nand_info_t *meminfo, ulong start, ulong length );
+int nand_get_lock_status(nand_info_t *meminfo, ulong offset);
+
#endif