From 2c22120fbd017d78ad2b6825ba573db3ef539bca Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Thu, 16 Nov 2006 11:23:48 +0900 Subject: MTD: OneNAND: interrupt based wait support We can use the two methods to wait. 1. polling: read interrupt status register 2. interrupt: use kernel ineterrupt mechanism To use interrupt method, you first connect onenand interrupt pin to your platform and configure interrupt properly Signed-off-by: Kyungmin Park --- include/linux/mtd/onenand.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include') diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 6f045b586e7..df963f1f6f8 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -13,6 +13,7 @@ #define __LINUX_MTD_ONENAND_H #include +#include #include #include @@ -120,6 +121,9 @@ struct onenand_chip { int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); int (*scan_bbt)(struct mtd_info *mtd); + struct completion complete; + int irq; + spinlock_t chip_lock; wait_queue_head_t wq; onenand_state_t state; -- cgit v1.2.3 From 08f782b60a633cbd926ef5e49de303a752390719 Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Thu, 16 Nov 2006 11:29:39 +0900 Subject: [MTD] OneNAND: lock support Now you can use mtd lock inferface on OneNAND The idea is from Nemakal, Vijaya, thanks Signed-off-by: Kyungmin Park --- include/linux/mtd/onenand.h | 1 - 1 file changed, 1 deletion(-) (limited to 'include') diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index df963f1f6f8..62ca0f42982 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -34,7 +34,6 @@ typedef enum { FL_WRITING, FL_ERASING, FL_SYNCING, - FL_UNLOCKING, FL_LOCKING, FL_RESETING, FL_OTPING, -- cgit v1.2.3 From f4f91ac3c833abbd7181ff2122c6b48a653b4e55 Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Thu, 16 Nov 2006 12:03:56 +0900 Subject: [MTD] OneNAND: Single bit error detection Idea from Jarkko Lavinen Signed-off-by: Jarkko Lavinen Signed-off-by: Kyungmin Park --- include/linux/mtd/onenand_regs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index 9e409fe6ded..e31c8f5d427 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -179,6 +179,7 @@ * ECC Status Reigser FF00h (R) */ #define ONENAND_ECC_1BIT (1 << 0) +#define ONENAND_ECC_1BIT_ALL (0x5555) #define ONENAND_ECC_2BIT (1 << 1) #define ONENAND_ECC_2BIT_ALL (0xAAAA) -- cgit v1.2.3