Contents

module OrigenARMDebug
  class JTAG_DP
    include Origen::Model

    def initialize(options = {})
      add_reg :ir, 0, size: 4

      # Virtual reg used to represent all of the various 35-bit scan chains
      reg :dr, 0, size: 35 do |reg|
        reg.bit 34..3, :data
        reg.bit 2..1, :a
        reg.bit 0, :rnw
      end

      reg :idcode, 0b1110, access: :ro do |reg|
        reg.bit 31..28, :version
        reg.bit 27..12, :partno
        reg.bit 11..1, :designer
        reg.bit 0, :bit0, reset: 1
      end

      reg :ctrlstat, 0x4 do |reg|
        reg.bit 31, :csyspwrupack
        reg.bit 30, :csyspwrupreq
        reg.bit 29, :cdbgpwrupack
        reg.bit 28, :cdbgpwrupreq
        reg.bit 27, :cdbgrstack
        reg.bit 26, :cdbgrstreq
        reg.bit 23..12, :trncnt
        reg.bit 11..8, :masklane
        reg.bit 5, :stickyerr
        reg.bit 4, :stickycmp
        reg.bit 3..2, :trnmode
        reg.bit 1, :stickyorun
        reg.bit 0, :orundetect
      end

      reg :select, 0x8 do |reg|
        reg.bit 31..24, :apsel
        reg.bit 7..4, :apbanksel
      end

      add_reg :rdbuff, 0xC, access: :ro, reset: 0

      reg :abort, 0b1000, access: :wo do |reg|
        reg.bit 0, :dapabort
      end
    end

    def select
      reg(:select)
    end

    def abort
      reg(:abort)
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
origen_arm_debug-1.0.2	lib/origen_arm_debug/jtag_dp.rb
origen_arm_debug-1.0.1	lib/origen_arm_debug/jtag_dp.rb