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authorIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
commit429b022af41108f6942d72547592b1d30e9a51f0 (patch)
tree7d68355529718018cdad1241285816c6f64620b2 /arch/blackfin/include/asm/nand.h
parent0cd418ddb1ee88df7d16d5df06cb2da68eceb9e4 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into core/rcu
Diffstat (limited to 'arch/blackfin/include/asm/nand.h')
-rw-r--r--arch/blackfin/include/asm/nand.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/nand.h b/arch/blackfin/include/asm/nand.h
new file mode 100644
index 00000000000..afbaafa793f
--- /dev/null
+++ b/arch/blackfin/include/asm/nand.h
@@ -0,0 +1,47 @@
+/* linux/include/asm-blackfin/nand.h
+ *
+ * Copyright (c) 2007 Analog Devices, Inc.
+ * Bryan Wu <bryan.wu@analog.com>
+ *
+ * BF5XX - NAND flash controller platfrom_device info
+ *
+ * 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.
+ */
+
+/* struct bf5xx_nand_platform
+ *
+ * define a interface between platfrom board specific code and
+ * bf54x NFC driver.
+ *
+ * nr_partitions = number of partitions pointed to be partitoons (or zero)
+ * partitions = mtd partition list
+ */
+
+#define NFC_PG_SIZE_256 0
+#define NFC_PG_SIZE_512 1
+#define NFC_PG_SIZE_OFFSET 9
+
+#define NFC_NWIDTH_8 0
+#define NFC_NWIDTH_16 1
+#define NFC_NWIDTH_OFFSET 8
+
+#define NFC_RDDLY_OFFSET 4
+#define NFC_WRDLY_OFFSET 0
+
+#define NFC_STAT_NBUSY 1
+
+struct bf5xx_nand_platform {
+ /* NAND chip information */
+ unsigned short page_size;
+ unsigned short data_width;
+
+ /* RD/WR strobe delay timing information, all times in SCLK cycles */
+ unsigned short rd_dly;
+ unsigned short wr_dly;
+
+ /* NAND MTD partition information */
+ int nr_partitions;
+ struct mtd_partition *partitions;
+};