diff options
author | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
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committer | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
commit | ab2b49518e743962f71b94246855c44ee9cf52cc (patch) | |
tree | 26b260a350f0a0a0d19b558bf147b812e3a1564c /arch/blackfin/include/asm/nand.h | |
parent | f058925b201357fba48d56cc9c1719ae274b2022 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge branch 'master' into next
Conflicts:
MAINTAINERS
Thanks for breaking my tree :-)
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/blackfin/include/asm/nand.h')
-rw-r--r-- | arch/blackfin/include/asm/nand.h | 47 |
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; +}; |