1adapter_khz 1000 2 3interface ftdi 4ftdi_vid_pid 0x0403 0x6010 5ftdi_oscan1_mode off 6 7## bindto 0.0.0.0 can be used to cover all available interfaces. 8## Uncomment bindto line to enable remote machine debug 9# bindto 0.0.0.0 10 11## If ftdi_device_desc not specified, the device description is ignored during device selection. 12## So if you want to specify a dedicated FTDI device, you can select following device description: 13## "Dual RS232-HS" is for Nuclei HummingBird Debugger V1 14## "USB <-> JTAG-DEBUGGER" is for Nuclei HummingBird Debugger V2 15## Uncomment one which match your device description 16# ftdi_device_desc "Dual RS232-HS" 17# ftdi_device_desc "USB <-> JTAG-DEBUGGER" 18 19transport select jtag 20 21ftdi_layout_init 0x0008 0x001b 22ftdi_layout_signal nSRST -oe 0x0020 -data 0x0020 23ftdi_layout_signal TCK -data 0x0001 24ftdi_layout_signal TDI -data 0x0002 25ftdi_layout_signal TDO -input 0x0004 26ftdi_layout_signal TMS -data 0x0008 27ftdi_layout_signal JTAG_SEL -data 0x0100 -oe 0x0100 28 29set _CHIPNAME riscv 30jtag newtap $_CHIPNAME cpu -irlen 5 31 32set _TARGETNAME $_CHIPNAME.cpu 33target create $_TARGETNAME riscv -chain-position $_TARGETNAME 34$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1 35 36set _FLASHNAME $_CHIPNAME.flash 37flash bank $_FLASHNAME fespi 0x20000000 0 0 0 $_TARGETNAME 38# Set the ILM space also as flash, to make sure it can be add breakpoint with hardware trigger 39#flash bank onboard_ilm fespi 0x80000000 0 0 0 $_TARGETNAME 40 41# Expose Nuclei self-defined CSRS 42# See https://github.com/riscv/riscv-gnu-toolchain/issues/319#issuecomment-358397306 43# Then user can view the csr register value in gdb using: info reg csr775 for CSR MTVT(0x307) 44riscv expose_csrs 416-496,770-800,835-850,1227-1231,1483-1486,1984-2032,2064-2070,2370-2380,2490-2500,4032-4040 45 46init 47 48if {[ info exists pulse_srst]} { 49 ftdi_set_signal nSRST 0 50 ftdi_set_signal nSRST z 51} 52halt 53# We must turn on this because otherwise the IDE version debug cannot download the program into flash 54flash protect 0 0 last off 55