diff options
Diffstat (limited to 'libdpf/spiflash.h')
| -rw-r--r-- | libdpf/spiflash.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libdpf/spiflash.h b/libdpf/spiflash.h new file mode 100644 index 0000000..fe7a8fd --- /dev/null +++ b/libdpf/spiflash.h @@ -0,0 +1,30 @@ +/** \file flashcmd_st.h + * + * ST compatible flash cmds + * + */ + + +#define SPM_RDID 0x9f // Read Id +#define SPM_NO_CMD 0x00 // No command + +#define SPM_WREN 0x06 // Write enable +#define SPM_WRDI 0x04 // Write disable +#define SPM_RDSR 0x05 // Read status register +#define SPM_WRSR 0x01 // Write status register +#define SPM_READ 0x03 // Read data bytes +#define SPM_PP 0x02 // Page program +#define SPM_DP 0xb9 // Deep power down +#define SPM_RES 0xab // Release from deep power down + // and read signature +#define SPM_FLASH_SE 0xd8 // Sector erase +#define SPM_FLASH_BE 0xc7 // Bulk erase +#define SPM_FLASH_FAST_READ 0x0B // Read data bytes fast + +#define SPM_SR_SRWD 0x80 // SR write protection (HW) + +// Status register bit definitions +#define SPS_WIP 0x01 // write in progress +#define SPS_WEL 0x02 // write enable latch + + |