diff options
| author | Kyungmin Park <kyungmin.park@samsung.com> | 2006-09-26 09:45:28 +0000 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-09-26 16:46:28 +0100 |
| commit | 28b79ff9661b22e4c41c0d00d4ab8503e810f13d (patch) | |
| tree | 4c5bc7711b52ec2ca569d8250de09b8b5b82fb7a /include/linux/mtd | |
| parent | 98638ee2edf86b80cf89486c4aabcd9ce471a54a (diff) | |
[MTD ONENAND] Check OneNAND lock scheme & all block unlock command support
OneNAND lock scheme depends on density and process of chip.
Some OneNAND chips support all block unlock
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/onenand.h | 6 | ||||
| -rw-r--r-- | include/linux/mtd/onenand_regs.h | 4 |
2 files changed, 7 insertions, 3 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 1f497215524..6f045b586e7 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -1,7 +1,7 @@ /* * linux/include/linux/mtd/onenand.h * - * Copyright (C) 2005 Samsung Electronics + * Copyright (C) 2005-2006 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> * * This program is free software; you can redistribute it and/or modify @@ -96,6 +96,7 @@ struct onenand_chip { void __iomem *base; unsigned int chipsize; unsigned int device_id; + unsigned int version_id; unsigned int density_mask; unsigned int options; @@ -149,7 +150,8 @@ struct onenand_chip { /* * Options bits */ -#define ONENAND_CONT_LOCK (0x0001) +#define ONENAND_HAS_CONT_LOCK (0x0001) +#define ONENAND_HAS_UNLOCK_ALL (0x0002) #define ONENAND_PAGEBUF_ALLOC (0x1000) /* diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index 4a72818d254..9e409fe6ded 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -3,7 +3,7 @@ * * OneNAND Register header file * - * Copyright (C) 2005 Samsung Electronics + * Copyright (C) 2005-2006 Samsung Electronics * * 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 @@ -72,6 +72,7 @@ #define ONENAND_DEVICE_VCC_MASK (0x3) #define ONENAND_DEVICE_DENSITY_512Mb (0x002) +#define ONENAND_DEVICE_DENSITY_1Gb (0x003) /* * Version ID Register F002h (R) @@ -110,6 +111,7 @@ #define ONENAND_CMD_UNLOCK (0x23) #define ONENAND_CMD_LOCK (0x2A) #define ONENAND_CMD_LOCK_TIGHT (0x2C) +#define ONENAND_CMD_UNLOCK_ALL (0x27) #define ONENAND_CMD_ERASE (0x94) #define ONENAND_CMD_RESET (0xF0) #define ONENAND_CMD_OTP_ACCESS (0x65) |