diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2004-10-21 02:35:05 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2004-10-21 02:35:05 +0100 |
| commit | ce9ef9d9bdd861fbcd221d1722deb5ce13ded23e (patch) | |
| tree | b29445bc9cf3f3a6f2ce4bf9e6e0be1f8c6010d4 /include/linux | |
| parent | 91c730410be06832fa7b0493779e943ffe80a4f5 (diff) | |
MTD: NAND flash driver updates.
- Use new RS library for ECC
- Add support for new NAND flash chips
- New board support:
- iPAQ H1910
- Renesas AG-AND devel board
- Simtec S3C210
- Support for shared controllers on multiple chips.
Signed-Off-By: Thomas Gleixner <tglx@linutronix.de>
Signed-Off-By: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/nand.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7de9f8dfa8ab..9453cb58c683 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -5,7 +5,7 @@ * Steven J. Hill <sjhill@realitydiluted.com> * Thomas Gleixner <tglx@linutronix.de> * - * $Id: nand.h,v 1.63 2004/07/07 16:29:43 gleixner Exp $ + * $Id: nand.h,v 1.66 2004/10/02 10:07:08 gleixner Exp $ * * 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 @@ -212,6 +212,18 @@ typedef enum { FL_CACHEDPRG, } nand_state_t; +/* Keep gcc happy */ +struct nand_chip; + +/** + * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices + * @lock: protection lock + * @active: the mtd device which holds the controller currently + */ +struct nand_hw_control { + spinlock_t lock; + struct nand_chip *active; +}; /** * struct nand_chip - NAND Private Flash Chip Data @@ -265,12 +277,13 @@ typedef enum { * @bbt: [INTERN] bad block table pointer * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup * @bbt_md: [REPLACEABLE] bad block table mirror descriptor + * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices * @priv: [OPTIONAL] pointer to private chip date */ struct nand_chip { - unsigned long IO_ADDR_R; - unsigned long IO_ADDR_W; + void __iomem *IO_ADDR_R; + void __iomem *IO_ADDR_W; u_char (*read_byte)(struct mtd_info *mtd); void (*write_byte)(struct mtd_info *mtd, u_char byte); @@ -317,6 +330,7 @@ struct nand_chip { uint8_t *bbt; struct nand_bbt_descr *bbt_td; struct nand_bbt_descr *bbt_md; + struct nand_hw_control *controller; void *priv; }; |