]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - include/nand.h
nand erase: .spread, .part, .chip subcommands
[karo-tx-uboot.git] / include / nand.h
index e1285cdae97a9ddbda2955bb7facb069aa6981d7..a4524113d00e60f7f6b30acc4c4fff263fc39e62 100644 (file)
 
 extern void nand_init(void);
 
-#ifndef CFG_NAND_LEGACY
 #include <linux/mtd/compat.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 
+extern int board_nand_init(struct nand_chip *nand);
+
 typedef struct mtd_info nand_info_t;
 
 extern int nand_curr_device;
 extern nand_info_t nand_info[];
 
-static inline int nand_read(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
 {
        return info->read(info, ofs, *len, (size_t *)len, buf);
 }
 
-static inline int nand_write(nand_info_t *info, off_t ofs, size_t *len, u_char *buf)
+static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
 {
        return info->write(info, ofs, *len, (size_t *)len, buf);
 }
 
-static inline int nand_block_isbad(nand_info_t *info, off_t ofs)
+static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
 {
        return info->block_isbad(info, ofs);
 }
 
-static inline int nand_erase(nand_info_t *info, off_t off, size_t size)
+static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
 {
        struct erase_info instr;
 
@@ -84,6 +85,7 @@ struct nand_write_options {
 };
 
 typedef struct nand_write_options nand_write_options_t;
+typedef struct mtd_oob_ops mtd_oob_ops_t;
 
 struct nand_read_options {
        u_char *buffer;         /* memory block in which read image is written*/
@@ -96,20 +98,24 @@ struct nand_read_options {
 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 */
+       loff_t length;          /* number of bytes to erase */
+       loff_t 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) */
+
+       /* Don't include skipped bad blocks in size to be erased */
+       int spread;
 };
 
 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_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+                      u_char *buffer);
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+                       u_char *buffer);
 int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
 
 #define NAND_LOCK_STATUS_TIGHT 0x01
@@ -118,11 +124,21 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
 
 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);
+int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
 
-#ifdef CFG_NAND_SELECT_DEVICE
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
 void board_nand_select_device(struct nand_chip *nand, int chip);
 #endif
 
-#endif /* !CFG_NAND_LEGACY */
+__attribute__((noreturn)) void nand_boot(void);
+
+#endif
+
+#ifdef CONFIG_ENV_OFFSET_OOB
+#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored
+                                   as block number*/
+#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is
+                                       stored as byte number */
+#define ENV_OFFSET_SIZE 8
+int get_nand_env_oob(nand_info_t *nand, unsigned long *result);
 #endif