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| author | Amul Kumar Saha <amul.saha@samsung.com> | 2009-11-06 17:15:31 +0530 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2009-11-13 16:56:18 -0600 |
| commit | cacbe919584193f64e74088e03f068e52775bb86 (patch) | |
| tree | 4ef455ca413a90d2d5c90e85233826e3a6b75ca0 /include/linux/mtd/onenand_regs.h | |
| parent | 35209cbceebe212a8c5ec17d552960f8bd4725f3 (diff) | |
| download | u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.zip u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.tar.gz u-boot-imx-cacbe919584193f64e74088e03f068e52775bb86.tar.bz2 | |
Flex-OneNAND driver support
This patch adds support for Flex-OneNAND devices.
Signed-off-by: Rohit Hagargundgi <h.rohit@samsung.com>
Signed-off-by: Amul Kumar Saha <amul.saha@samsung.com>
Diffstat (limited to 'include/linux/mtd/onenand_regs.h')
| -rw-r--r-- | include/linux/mtd/onenand_regs.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index 07fed1c..8449a3c 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -67,6 +67,9 @@ /* * Device ID Register F001h (R) */ +#define DEVICE_IS_FLEXONENAND (1 << 9) +#define FLEXONENAND_PI_MASK (0x3ff) +#define FLEXONENAND_PI_UNLOCK_SHIFT (14) #define ONENAND_DEVICE_DENSITY_MASK (0xf) #define ONENAND_DEVICE_DENSITY_SHIFT (4) #define ONENAND_DEVICE_IS_DDP (1 << 3) @@ -84,6 +87,11 @@ #define ONENAND_VERSION_PROCESS_SHIFT (8) /* + * Technology Register F006h (R) + */ +#define ONENAND_TECHNOLOGY_IS_MLC (1 << 0) + +/* * Start Address 1 F100h (R/W) */ #define ONENAND_DDP_SHIFT (15) @@ -93,7 +101,7 @@ /* * Start Address 8 F107h (R/W) */ -#define ONENAND_FPA_MASK (0x3f) +#define ONENAND_FPA_MASK (0x7f) #define ONENAND_FPA_SHIFT (2) #define ONENAND_FSA_MASK (0x03) @@ -105,7 +113,7 @@ #define ONENAND_BSA_BOOTRAM (0 << 2) #define ONENAND_BSA_DATARAM0 (2 << 2) #define ONENAND_BSA_DATARAM1 (3 << 2) -#define ONENAND_BSC_MASK (0x03) +#define ONENAND_BSC_MASK (0x07) /* * Command Register F220h (R/W) @@ -125,9 +133,14 @@ #define ONENAND_CMD_ERASE_VERIFY (0x71) #define ONENAND_CMD_RESET (0xF0) #define ONENAND_CMD_READID (0x90) +#define FLEXONENAND_CMD_RESET (0xF3) +#define FLEXONENAND_CMD_PI_UPDATE (0x05) +#define FLEXONENAND_CMD_PI_ACCESS (0x66) +#define FLEXONENAND_CMD_RECOVER_LSB (0x05) /* NOTE: Those are not *REAL* commands */ #define ONENAND_CMD_BUFFERRAM (0x1978) +#define FLEXONENAND_CMD_READ_PI (0x1985) /* * System Configuration 1 Register F221h (R, R/W) @@ -190,5 +203,6 @@ #define ONENAND_ECC_2BIT (1 << 1) #define ONENAND_ECC_2BIT_ALL (0xAAAA) #define ONENAND_ECC_4BIT_UNCORRECTABLE (0x1010) +#define FLEXONENAND_UNCORRECTABLE_ERROR (0x1010) #endif /* __ONENAND_REG_H */ |