diff options
Diffstat (limited to 'include/imx_spi_nor.h')
| -rw-r--r-- | include/imx_spi_nor.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/imx_spi_nor.h b/include/imx_spi_nor.h index 9425d59..9aa3c3d 100644 --- a/include/imx_spi_nor.h +++ b/include/imx_spi_nor.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. + * (C) Copyright 2008-2011 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -63,6 +63,21 @@ #define CONFIG_REG3 0x80 #define CONFIG_REG4 0xA6 +/* Flash opcodes. M25P32 */ +#define OPCODE_WREN 0x06 /* Write enable */ +#define OPCODE_RDSR 0x05 /* Read status register */ +#define OPCODE_WRSR 0x01 /* Write status register 1 byte */ +#define OPCODE_NORM_READ 0x03 /* Read data bytes (low frequency) */ +#define OPCODE_FAST_READ 0x0b /* Read data bytes (high frequency) */ +#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */ +#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */ +#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */ +#define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */ +#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */ +#define OPCODE_RDID 0x9f /* Read JEDEC ID */ +/* Status Register bits. */ +#define SR_WIP 1 /* Write in progress */ + #define SZ_64K 0x10000 #define SZ_32K 0x8000 #define SZ_4K 0x1000 |