On Fri, May 29, 2009 at 12:46 PM, Magnus Lundin <lun...@mlu.mine.nu> wrote: >>> arm7_9 dcc_downloads enable >> dcc downloads are enabled >>> arm7_9 fast_memory_access enable >> fast memory access is enabled >>> flash write_image erase firmware.bin 0x100000 bin >> auto erase enabled >> wrote 44616 byte from file firmware.bin in 11.045264s (3.944705 kb/s) > > The performance problems are because you use auto erase, the AT91SAM7 can > only erase a whole flash bank or it it can erase flash by writing 0xFF to > the flash memory. and that is slow. > For normal flash writes it is not necessary to erase the flash first on the > AT91SAM7 targets, that is done automatically by the flash controller. > If you want to make sure that there is no old code in flash, use flash > erase before the flash write_image. I tried without autoerase, and I obtain some errors
value captured during scan didn't pass the requested check: captured: 0x000001E1 check_value: 0x00000009 check_mask: 0x00000009 JTAG error while reading cpsr error writing to flash at address 0x00100000 at offset 0x00000000 (-307) so I need to disable fast memory access. In thi way is more slowly: > arm7_9 fast_memory_access disable fast memory access is disabled > flash write_image ../images/DCellEVB.bin 0x100000 bin wrote 49908 byte from file ../images/DCellEVB.bin in 25.822573s (1.887429 kb/s) this is awful thanks -- Assioma di Cole: "La somma dell'intelligenza sulla Terra è costante; la popolazione è in aumento" Massimiliano Cialdi cia...@gmail.com massimiliano.cia...@powersoft.it _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
