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authorSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
committerSimon Horman <horms@verge.net.au>2008-09-10 09:14:52 +1000
commitc051a0a2c9e283c1123ed3ce65e66e41d2ce5e24 (patch)
tree1202d018129ca5538cd98b1e4542b239045c1a2d /arch/blackfin/include/asm/nand.h
parente9c0ce232e7a36daae1ca08282609d7f0c57c567 (diff)
parent28faa979746b2352cd78a376bf9f52db953bda46 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into lvs-next-2.6
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;
+};