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authorJason Liu <r64343@freescale.com>2010-05-07 17:46:36 +0800
committerJason Liu <r64343@freescale.com>2010-05-07 18:00:07 +0800
commitbd4a694934e348acb930f05fe25dcee6b53b3685 (patch)
tree358d6c1977cb378bd1f81282d78f057385d32f50 /include/asm-arm/arch-mx35
parentcfb0209bfd87b6076f6f8708c49796bf1a472f9b (diff)
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ENGR00123265 UBOOT:Preserve NAND bad block indication
Preserve NAND bad block indication Signed-off-by:Jason Liu <r64343@freescale.com>
Diffstat (limited to 'include/asm-arm/arch-mx35')
-rw-r--r--include/asm-arm/arch-mx35/mxc_nand.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/include/asm-arm/arch-mx35/mxc_nand.h b/include/asm-arm/arch-mx35/mxc_nand.h
index 5946703..c672e54 100644
--- a/include/asm-arm/arch-mx35/mxc_nand.h
+++ b/include/asm-arm/arch-mx35/mxc_nand.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -32,11 +32,35 @@
#define IS_LARGE_PAGE_NAND ((mtd->writesize / info->num_of_intlv) > 512)
#define GET_NAND_OOB_SIZE (mtd->oobsize / info->num_of_intlv)
+#define GET_NAND_PAGE_SIZE (mtd->writesize / info->num_of_intlv)
#define NAND_PAGESIZE_2KB 2048
#define NAND_PAGESIZE_4KB 4096
/*
+ * main area for bad block marker is in the last data section
+ * the spare area for swapped bad block marker is the second
+ * byte of last spare section
+ */
+#define NAND_SECTIONS (GET_NAND_PAGE_SIZE >> 9)
+#define NAND_OOB_PER_SECTION (((GET_NAND_OOB_SIZE / NAND_SECTIONS) >> 1) << 1)
+#define NAND_CHUNKS (GET_NAND_PAGE_SIZE / (512 + NAND_OOB_PER_SECTION))
+
+#define BAD_BLK_MARKER_MAIN_OFFS \
+ (GET_NAND_PAGE_SIZE - NAND_CHUNKS * NAND_OOB_PER_SECTION)
+
+#define BAD_BLK_MARKER_SP_OFFS (NAND_CHUNKS * SPARE_LEN)
+
+#define BAD_BLK_MARKER_OOB_OFFS (NAND_CHUNKS * NAND_OOB_PER_SECTION)
+
+#define BAD_BLK_MARKER_MAIN \
+ ((u32)MAIN_AREA0 + BAD_BLK_MARKER_MAIN_OFFS)
+
+#define BAD_BLK_MARKER_SP \
+ ((u32)SPARE_AREA0 + BAD_BLK_MARKER_SP_OFFS)
+
+
+/*
* Addresses for NFC registers
*/
#define NFC_REG_BASE (NFC_BASE_ADDR + 0x1000)