diff options
Diffstat (limited to 'drivers/mtd/nand/gpmi/gpmi-hamming-22-16.h')
| -rw-r--r-- | drivers/mtd/nand/gpmi/gpmi-hamming-22-16.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi/gpmi-hamming-22-16.h b/drivers/mtd/nand/gpmi/gpmi-hamming-22-16.h new file mode 100644 index 000000000000..6959bf3c599e --- /dev/null +++ b/drivers/mtd/nand/gpmi/gpmi-hamming-22-16.h @@ -0,0 +1,43 @@ +/* + * Freescale STMP37XX/STMP378X GPMI (General-Purpose-Media-Interface) + * + * NCB software ECC Hamming code + * + * Author: dmitry pervushin <dimka@embeddedalley.com> + * + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#ifndef __LINUX_GPMI_H +#define __LINUX_GPMI_H + +#define NAND_HC_ECC_SIZEOF_DATA_BLOCK_IN_BYTES (512) +#define NAND_HC_ECC_SIZEOF_PARITY_BLOCK_IN_BYTES \ + ((((NAND_HC_ECC_SIZEOF_DATA_BLOCK_IN_BYTES*8)/16)*6)/8) +#define NAND_HC_ECC_OFFSET_FIRST_DATA_COPY (0) +#define NAND_HC_ECC_OFFSET_SECOND_DATA_COPY \ + (NAND_HC_ECC_OFFSET_FIRST_DATA_COPY + \ + NAND_HC_ECC_SIZEOF_DATA_BLOCK_IN_BYTES) +#define NAND_HC_ECC_OFFSET_THIRD_DATA_COPY \ + (NAND_HC_ECC_OFFSET_SECOND_DATA_COPY + \ + NAND_HC_ECC_SIZEOF_DATA_BLOCK_IN_BYTES) +#define NAND_HC_ECC_OFFSET_FIRST_PARITY_COPY \ + (NAND_HC_ECC_OFFSET_THIRD_DATA_COPY + \ + NAND_HC_ECC_SIZEOF_DATA_BLOCK_IN_BYTES) +#define NAND_HC_ECC_OFFSET_SECOND_PARITY_COPY \ + (NAND_HC_ECC_OFFSET_FIRST_PARITY_COPY + \ + NAND_HC_ECC_SIZEOF_PARITY_BLOCK_IN_BYTES) +#define NAND_HC_ECC_OFFSET_THIRD_PARITY_COPY \ + (NAND_HC_ECC_OFFSET_SECOND_PARITY_COPY + \ + NAND_HC_ECC_SIZEOF_PARITY_BLOCK_IN_BYTES) + +#endif |