http://openocd.org/doc/doxygen/bugs.html
Warn : Adapter driver 'buspirate' did not declare which transports it allows; assuming legacy JTAG-only
Info : only one transport option; autoselect 'jtag'
srst_only srst_pulls_trst srst_gates_jtag srst_open_drain connect_deassert_srst
Info : Buspirate Interface ready!
Info : This adapter doesn't support configurable speed
Info : JTAG tap: at91sam7s256.cpu tap/device found: 0x3f0f0f0f (mfg: 0x787 (<unknown>), part: 0xf0f0, ver: 0x3)
Info : Embedded ICE version 1
Info : at91sam7s256.cpu: hardware has 2 breakpoint/watchpoint units
Info : JTAG tap: at91sam7s256.cpu tap/device found: 0x3f0f0f0f (mfg: 0x787 (<unknown>), part: 0xf0f0, ver: 0x3)
Warn : srst pulls trst - can not reset into halted mode. Issuing halt after reset.
target halted in ARM state due to debug-request, current mode: Supervisor
cpsr: 0xf00000d3 pc: 0x000bc5cc
requesting target halt and executing a soft reset
target halted in ARM state due to debug-request, current mode: Supervisor
cpsr: 0xf00000d3 pc: 0x00000000
Warn : NOTE! DCC downloads have not been enabled, defaulting to slow memory writes. Type 'help dcc'.
Warn : NOTE! Severe performance degradation without fast memory access enabled. Type 'help fast'.
** Programming Started **
auto erase enabled
Warn : no flash bank found for address 0
wrote 0 bytes from file AT91SAM7s256.bin in 0.225058s (0.000 KiB/s)
** Programming Finished **
** Verify Started **
Error: checksum mismatch - attempting binary compare