tcl/target/or1k.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 set  _ENDIAN big
   4
   5 if { [info exists CHIPNAME] } {
   6    set _CHIPNAME $CHIPNAME
   7 } else {
   8    set _CHIPNAME or1k
   9 }
  10
  11 if { [info exists TAP_TYPE] } {
  12    set _TAP_TYPE $TAP_TYPE
  13 } else {
  14    puts "You need to select a tap type"
  15    shutdown
  16 }
  17
  18 # Configure the target
  19 if { [string compare $_TAP_TYPE "VJTAG"] == 0 } {
  20         if { [info exists FPGATAPID] } {
  21            set _FPGATAPID $FPGATAPID
  22         } else {
  23            puts "You need to set your FPGA JTAG ID"
  24                 shutdown
  25         }
  26
  27         jtag newtap $_CHIPNAME cpu -irlen 10 -expected-id $_FPGATAPID
  28
  29         set _TARGETNAME $_CHIPNAME.cpu
  30         target create $_TARGETNAME or1k -endian $_ENDIAN -chain-position $_TARGETNAME
  31
  32         # Select the TAP core we are using
  33         tap_select vjtag
  34
  35 } elseif { [string compare $_TAP_TYPE "XILINX_BSCAN"] == 0 } {
  36
  37         if { [info exists FPGATAPID] } {
  38            set _FPGATAPID $FPGATAPID
  39         } else {
  40            puts "You need to set your FPGA JTAG ID"
  41                 shutdown
  42         }
  43
  44         jtag newtap $_CHIPNAME cpu -irlen 6 -expected-id $_FPGATAPID
  45
  46         set _TARGETNAME $_CHIPNAME.cpu
  47         target create $_TARGETNAME or1k -endian $_ENDIAN -chain-position $_TARGETNAME
  48
  49         # Select the TAP core we are using
  50         tap_select xilinx_bscan
  51 } else {
  52         # OpenCores Mohor JTAG TAP ID
  53         set _CPUTAPID  0x14951185
  54
  55         jtag newtap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
  56
  57         set _TARGETNAME $_CHIPNAME.cpu
  58         target create $_TARGETNAME or1k -endian $_ENDIAN -chain-position $_TARGETNAME
  59
  60         # Select the TAP core we are using
  61         tap_select mohor
  62 }
  63
  64 # Select the debug unit core we are using. This debug unit as an option.
  65
  66 set ADBG_USE_HISPEED            1
  67 set ENABLE_JSP_SERVER           2
  68 set ENABLE_JSP_MULTI            4
  69
  70 # If ADBG_USE_HISPEED is set (options bit 1), status bits will be skipped
  71 # on burst reads and writes to improve download speeds.
  72 # This option must match the RTL configured option.
  73
  74 du_select adv [expr {$ADBG_USE_HISPEED | $ENABLE_JSP_SERVER | $ENABLE_JSP_MULTI}]