[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>

2 files changed, 7 insertions, 3 deletions

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 1f4972155249..6f045b586e76 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 4a72818d2545..9e409fe6ded6 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)