diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-10 08:35:40 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-10 08:35:40 +0200 |
commit | 429b022af41108f6942d72547592b1d30e9a51f0 (patch) | |
tree | 7d68355529718018cdad1241285816c6f64620b2 /arch/blackfin/include/asm/nand.h | |
parent | 0cd418ddb1ee88df7d16d5df06cb2da68eceb9e4 (diff) | |
parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (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.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; +}; |