OpenIPC # sf probe 0
8192 KiB hi_sfc at 0:0 is now current device
OpenIPC # sf lock 0
sf - SPI flash sub-system

Usage:
sf probe [bus:]cs [hz] [mode]   - init flash device on given SPI bus
                                  and chip select
sf read addr offset len - read `len' bytes starting at
                                  `offset' to memory at `addr'
sf write addr offset len        - write `len' bytes from memory
                                  at `addr' to flash at `offset'
sf erase offset len             - erase `len' bytes from `offset'
OpenIPC #