X-Git-Url: http://www.aleph1.co.uk/gitweb/?a=blobdiff_plain;f=mtdemul%2Fnandemul2k.c;h=4d25aaabf08fc0b15d246d98a7c48fac4dbe3b5c;hb=438da1051458a91812a26316414380ed540ec754;hp=eef68dd6d30d54574db699541133dd1ac131a204;hpb=60cbacc6973295a28491aa4964d0141cc0b6cb27;p=yaffs2.git

diff --git a/mtdemul/nandemul2k.c b/mtdemul/nandemul2k.c
index eef68dd..4d25aaa 100644
--- a/mtdemul/nandemul2k.c
+++ b/mtdemul/nandemul2k.c
@@ -1,7 +1,7 @@
 /*
- * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
  *
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -9,8 +9,9 @@
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
- *
+ */
+
+/*
  *  This version hacked for emulating 2kpage NAND for YAFFS2 testing.
  */
 
@@ -44,13 +45,14 @@
 
 
 
-#define EM_SIZE_IN_MEG 4
-#define PAGE_DATA_SIZE  (2048)
-#define PAGE_SPARE_SIZE (64)
-#define PAGES_PER_BLOCK (64)
 #define NAND_SHIFT      (11)   // Shifter for 2k
+#define PAGE_DATA_SIZE  (1 << NAND_SHIFT)
+#define PAGE_SPARE_SIZE (64)
+#define BLK_SHIFT	6
+#define PAGES_PER_BLOCK (1 << BLK_SHIFT)	// = 64
 
 
+#define EM_SIZE_IN_MEG 4
 #define EM_SIZE_IN_BYTES (EM_SIZE_IN_MEG * (1<<20))
 
 #define PAGE_TOTAL_SIZE (PAGE_DATA_SIZE+PAGE_SPARE_SIZE)
@@ -557,8 +559,8 @@ static int nand_erase (struct mtd_info *mtd, struct erase_info *instr)
 		return -EINVAL;
 	}
 
-	nBlocks = instr->len >> (NAND_SHIFT + 5);
-	block = instr->addr >> (NAND_SHIFT + 5);
+	nBlocks = instr->len >> (NAND_SHIFT + BLK_SHIFT);
+	block = instr->addr >> (NAND_SHIFT + BLK_SHIFT);
 
 	for(i = 0; i < nBlocks; i++)
 	{