Class: OrigenAhbDev::DUT

Inherits:
Object
  • Object
show all
Includes:
Origen::TopLevel, OrigenAhb
Defined in:
lib/origen_ahb_dev/dut.rb

Overview

Top-level chip model for development and unit testing

Instance Method Summary collapse

Methods included from OrigenAhb

#ahb

Constructor Details

#initialize(options = {}) ⇒ DUT

Initializer method to setup dut



8
9
10
11
12
 
# File 'lib/origen_ahb_dev/dut.rb', line 8

def initialize(options = {})
  instantiate_pins(options)
  instantiate_registers(options)
  instantiate_sub_blocks(options)
end

Instance Method Details

#instantiate_pins(options = {}) ⇒ Object

Add standard DUT pins and pins necessary for AHB protocol



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/origen_ahb_dev/dut.rb', line 15

def instantiate_pins(options = {})
  # Standard DUT pins
  add_pin :tclk
  add_pin :tdi
  add_pin :tdo
  add_pin :tms
  add_pin :resetb

  # AHB Control Signals
  add_pin :hclk
  add_pin :hready
  add_pin :hwrite
  add_pin :htrans, size: 2
  add_pin :hburst, size: 3
  add_pin :hmastlock
  add_pin :hsize, size: 3
  add_pin :hprot, size: 3

  # AHB Data Signals
  add_pin :haddr, size: 32
  add_pin :hwdata, size: 32
  add_pin :hrdata, size: 32
end

#instantiate_registers(options = {}) ⇒ Object

Create a top-level test register



40
41
42
 
# File 'lib/origen_ahb_dev/dut.rb', line 40

def instantiate_registers(options = {})
  add_reg :top_reg, 0x20000000, 32, data: { pos: 0, bits: 32 }
end

#instantiate_sub_blocks(options = {}) ⇒ Object

Create a sub-block for test dut



45
46
47
 
# File 'lib/origen_ahb_dev/dut.rb', line 45

def instantiate_sub_blocks(options = {})
  sub_block :block, class_name: 'OrigenAhbDev::BLOCK', base_address: 0x2200_0000
end