tcl/target/or1k.cfg

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