tcl/board/sifive-hifive1.cfg

   1 adapter speed     10000
   2
   3 adapter driver ftdi
   4 ftdi_device_desc "Dual RS232-HS"
   5 ftdi_vid_pid 0x0403 0x6010
   6
   7 ftdi_layout_init 0x0008 0x001b
   8 ftdi_layout_signal nSRST -oe 0x0020 -data 0x0020
   9
  10 #Reset Stretcher logic on FE310 is ~1 second long
  11 #This doesn't apply if you use
  12 # ftdi_set_signal, but still good to document
  13 #adapter srst delay 1500
  14
  15 set _CHIPNAME riscv
  16 jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x10e31913
  17
  18 set _TARGETNAME $_CHIPNAME.cpu
  19 target create $_TARGETNAME riscv -chain-position $_TARGETNAME
  20 $_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
  21
  22 flash bank onboard_spi_flash fespi 0x20000000 0 0 0 $_TARGETNAME
  23 init
  24 #reset -- This type of reset is not implemented yet
  25 if {[ info exists pulse_srst]} {
  26   ftdi_set_signal nSRST 0
  27   ftdi_set_signal nSRST z
  28   #Wait for the reset stretcher
  29   #It will work without this, but
  30   #will incur lots of delays for later commands.
  31   sleep 1500
  32 }
  33 halt
  34 flash protect 0 64 last off