tcl/target/quark_d20xx.cfg

   1 if { [info exists CPUTAPID] } {
   2    set _CPUTAPID $CPUTAPID
   3 } else {
   4    set _CPUTAPID 0x38289013
   5 }
   6
   7 jtag newtap quark_d20xx quark -irlen 8 -irmask 0xff -expected-id $_CPUTAPID -disable
   8 jtag newtap quark_d20xx cltap -irlen 8 -irmask 0xff -expected-id 0x0e786013 -enable
   9
  10 proc quark_d20xx_tapenable {} {
  11         echo "enabling quark core tap"
  12         irscan quark_d20xx.cltap 0x11
  13         drscan quark_d20xx.cltap 12 1
  14         runtest 10
  15 }
  16
  17 proc quark_d20xx_tapdisable {} {
  18         echo "disabling quark core tap"
  19         irscan quark_d20xx.cltap 0x11
  20         drscan quark_d20xx.cltap 12 0
  21         runtest 10
  22 }
  23
  24 proc quark_d20xx_setup {} {
  25         jtag tapenable quark_d20xx.quark
  26 }
  27
  28 jtag configure quark_d20xx.quark -event tap-enable \
  29    "quark_d20xx_tapenable"
  30
  31 jtag configure quark_d20xx.quark -event tap-disable \
  32    "quark_d20xx_tapdisable"
  33
  34 target create quark_d20xx.quark quark_d20xx -endian little -chain-position quark_d20xx.quark
  35
  36 quark_d20xx.quark configure -event gdb-attach { halt }
  37
  38 quark_d20xx.quark configure -event reset-start {
  39         # need to halt the target to write to memory
  40         if {[quark_d20xx.quark curstate] ne "halted"} { halt }
  41         # set resetbreak via the core tap
  42         irscan quark_d20xx.quark 0x35 ; drscan quark_d20xx.quark 1 0x1
  43         # trigger a warm reset
  44         mww 0xb0800570 0x2
  45         # clear resetbreak
  46         irscan quark_d20xx.quark 0x35 ; drscan quark_d20xx.quark 1 0x0
  47 }
  48
  49 jtag configure quark_d20xx.quark -event setup \
  50    "quark_d20xx_setup"