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dma ram test

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This commit is contained in:
otroubi
2026-07-27 19:24:47 +03:00
parent ee83bcbb9e
commit 95540713e0
4 changed files with 33 additions and 364 deletions
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designs/controller_dma_connective/tests/Makefile
+2
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@@ -14,6 +14,8 @@ VERILOG_SOURCES += $(LIBS_DIR)/axi/axi_reg/axi4l_reg_map.sv
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma_rd.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma_wr.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_dma.v
VERILOG_SOURCES += $(LIBS_DIR)/external/verilog-axi/rtl/axi_ram.v
VERILOG_SOURCES += $(RTL_DIR)/axi_ram_wrapper.sv
VERILOG_SOURCES += $(RTL_DIR)/controller.sv
VERILOG_SOURCES += $(RTL_DIR)/dma_controller.sv
VERILOG_SOURCES += $(RTL_DIR)/shaper_axis_desc.sv
designs/controller_dma_connective/tests/tb_control_dma_behav.wcfg
-236
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@@ -1,236 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="tb_control_behav.wdb" id="1">
<top_modules>
<top_module name="glbl" />
<top_module name="tb_control" />
</top_modules>
</db_ref>
</db_ref_list>
<zoom_setting>
<ZoomStartTime time="160.614 ns"></ZoomStartTime>
<ZoomEndTime time="1,564.737 ns"></ZoomEndTime>
<Cursor1Time time="1,330.716 ns"></Cursor1Time>
</zoom_setting>
<column_width_setting>
<NameColumnWidth column_width="479"></NameColumnWidth>
<ValueColumnWidth column_width="116"></ValueColumnWidth>
</column_width_setting>
<WVObjectSize size="34" />
<wvobject fp_name="/tb_control/dac_clk_in" type="logic">
<obj_property name="ElementShortName">dac_clk_in</obj_property>
<obj_property name="ObjectShortName">dac_clk_in</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_clk_in" type="logic">
<obj_property name="ElementShortName">adc_clk_in</obj_property>
<obj_property name="ObjectShortName">adc_clk_in</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/rst_n" type="logic">
<obj_property name="ElementShortName">rst_n</obj_property>
<obj_property name="ObjectShortName">rst_n</obj_property>
<obj_property name="CustomSignalColor">#800080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/rst_soft" type="logic">
<obj_property name="ElementShortName">rst_soft</obj_property>
<obj_property name="ObjectShortName">rst_soft</obj_property>
<obj_property name="CustomSignalColor">#008080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/start" type="logic">
<obj_property name="ElementShortName">start</obj_property>
<obj_property name="ObjectShortName">start</obj_property>
<obj_property name="CustomSignalColor">#E0FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/adc_start_pulse" type="logic">
<obj_property name="ElementShortName">adc_start_pulse</obj_property>
<obj_property name="ObjectShortName">adc_start_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/dac_start_pulse" type="logic">
<obj_property name="ElementShortName">dac_start_pulse</obj_property>
<obj_property name="ObjectShortName">dac_start_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/busy" type="logic">
<obj_property name="ElementShortName">busy</obj_property>
<obj_property name="ObjectShortName">busy</obj_property>
<obj_property name="CustomSignalColor">#E0FFFF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/finish" type="logic">
<obj_property name="ElementShortName">finish</obj_property>
<obj_property name="ObjectShortName">finish</obj_property>
<obj_property name="CustomSignalColor">#FAAFBE</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/finish_pulse" type="logic">
<obj_property name="ElementShortName">finish_pulse</obj_property>
<obj_property name="ObjectShortName">finish_pulse</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/cfg_bus_valid" type="logic">
<obj_property name="ElementShortName">cfg_bus_valid</obj_property>
<obj_property name="ObjectShortName">cfg_bus_valid</obj_property>
<obj_property name="CustomSignalColor">#FF0080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/cfg_bus_input" type="array">
<obj_property name="ElementShortName">cfg_bus_input[159:0]</obj_property>
<obj_property name="ObjectShortName">cfg_bus_input[159:0]</obj_property>
<obj_property name="CustomSignalColor">#FF0080</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_pulse_width" type="array">
<obj_property name="ElementShortName">dac_pulse_width[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_width[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_pulse_period" type="array">
<obj_property name="ElementShortName">dac_pulse_period[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_period[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_pulse_height" type="array">
<obj_property name="ElementShortName">dac_pulse_height[11:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_height[11:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_pulse_num" type="array">
<obj_property name="ElementShortName">dac_pulse_num[15:0]</obj_property>
<obj_property name="ObjectShortName">dac_pulse_num[15:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_pulse_period" type="array">
<obj_property name="ElementShortName">adc_pulse_period[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_pulse_period[31:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_pulse_num" type="array">
<obj_property name="ElementShortName">adc_pulse_num[15:0]</obj_property>
<obj_property name="ObjectShortName">adc_pulse_num[15:0]</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_window_size" type="array">
<obj_property name="ElementShortName">adc_window_size[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_window_size[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_start" type="logic">
<obj_property name="ElementShortName">dac_start</obj_property>
<obj_property name="ObjectShortName">dac_start</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_start" type="logic">
<obj_property name="ElementShortName">adc_start</obj_property>
<obj_property name="ObjectShortName">adc_start</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_rst" type="logic">
<obj_property name="ElementShortName">dac_rst</obj_property>
<obj_property name="ObjectShortName">dac_rst</obj_property>
<obj_property name="CustomSignalColor">#FFA500</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_rst" type="logic">
<obj_property name="ElementShortName">adc_rst</obj_property>
<obj_property name="ObjectShortName">adc_rst</obj_property>
</wvobject>
<wvobject fp_name="group499" type="group">
<obj_property name="label">tb signals</obj_property>
<obj_property name="DisplayName">label</obj_property>
<wvobject fp_name="/tb_control/dac_rst_count" type="array">
<obj_property name="ElementShortName">dac_rst_count[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_rst_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_rst_count" type="array">
<obj_property name="ElementShortName">adc_rst_count[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_rst_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dac_start_count" type="array">
<obj_property name="ElementShortName">dac_start_count[31:0]</obj_property>
<obj_property name="ObjectShortName">dac_start_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/adc_start_count" type="array">
<obj_property name="ElementShortName">adc_start_count[31:0]</obj_property>
<obj_property name="ObjectShortName">adc_start_count[31:0]</obj_property>
<obj_property name="CustomSignalColor">#F0E68C</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_toggle_adc" type="logic">
<obj_property name="ElementShortName">cfg_req_toggle_adc</obj_property>
<obj_property name="ObjectShortName">cfg_req_toggle_adc</obj_property>
<obj_property name="CustomSignalColor">#FFFF00</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_toggle_dac" type="logic">
<obj_property name="ElementShortName">cfg_req_toggle_dac</obj_property>
<obj_property name="ObjectShortName">cfg_req_toggle_dac</obj_property>
<obj_property name="CustomSignalColor">#FFFF00</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_toggle_adc" type="logic">
<obj_property name="ElementShortName">cfg_ack_toggle_adc</obj_property>
<obj_property name="ObjectShortName">cfg_ack_toggle_adc</obj_property>
<obj_property name="CustomSignalColor">#FF00FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_toggle_dac" type="logic">
<obj_property name="ElementShortName">cfg_ack_toggle_dac</obj_property>
<obj_property name="ObjectShortName">cfg_ack_toggle_dac</obj_property>
<obj_property name="CustomSignalColor">#FF00FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_wait_adc_ack" type="logic">
<obj_property name="ElementShortName">cfg_wait_adc_ack</obj_property>
<obj_property name="ObjectShortName">cfg_wait_adc_ack</obj_property>
<obj_property name="CustomSignalColor">#0000FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_wait_dac_ack" type="logic">
<obj_property name="ElementShortName">cfg_wait_dac_ack</obj_property>
<obj_property name="ObjectShortName">cfg_wait_dac_ack</obj_property>
<obj_property name="CustomSignalColor">#0000FF</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_pulse_adc" type="logic">
<obj_property name="ElementShortName">cfg_req_pulse_adc</obj_property>
<obj_property name="ObjectShortName">cfg_req_pulse_adc</obj_property>
<obj_property name="CustomSignalColor">#808000</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_req_pulse_dac" type="logic">
<obj_property name="ElementShortName">cfg_req_pulse_dac</obj_property>
<obj_property name="ObjectShortName">cfg_req_pulse_dac</obj_property>
<obj_property name="CustomSignalColor">#808000</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_pulse_adc" type="logic">
<obj_property name="ElementShortName">cfg_ack_pulse_adc</obj_property>
<obj_property name="ObjectShortName">cfg_ack_pulse_adc</obj_property>
<obj_property name="CustomSignalColor">#DCDCDC</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
<wvobject fp_name="/tb_control/dut/cfg_ack_pulse_dac" type="logic">
<obj_property name="ElementShortName">cfg_ack_pulse_dac</obj_property>
<obj_property name="ObjectShortName">cfg_ack_pulse_dac</obj_property>
<obj_property name="CustomSignalColor">#DCDCDC</obj_property>
<obj_property name="UseCustomSignalColor">true</obj_property>
</wvobject>
</wave_config>
designs/controller_dma_connective/tests/tb_controller_dma_wrapper_axil.sv
+1 -76
View File
@@ -238,79 +238,6 @@ axis_flat_to_if #(
.m_axis(dma_write_data)
);
// AXI4 MASTER DMA
axi4_if #(
.ADDR_W(dma_reg_pkg::AXI_ADDR_WIDTH),
.DATA_W(AXI_DATA_WIDTH),
.ID_W (AXI_ID_WIDTH),
.USER_W(AXI_USER_WIDTH)
) m_axi (
.aclk(ctrl_clk),
.aresetn(rst_n)
);
logic [AXI_USER_WIDTH-1:0] unused_awuser;
logic [AXI_USER_WIDTH-1:0] unused_wuser;
logic [AXI_USER_WIDTH-1:0] unused_aruser;
axi4_if_to_flat #(
.ADDR_W (dma_reg_pkg::AXI_ADDR_WIDTH),
.DATA_W (AXI_DATA_WIDTH),
.ID_W (AXI_ID_WIDTH),
.USER_W (AXI_USER_WIDTH)
) u_axi_if_to_flat (
.s_axi(m_axi),
.m_axi_awid (m_axi_awid),
.m_axi_awaddr (m_axi_awaddr),
.m_axi_awlen (m_axi_awlen),
.m_axi_awsize (m_axi_awsize),
.m_axi_awburst (m_axi_awburst),
.m_axi_awlock (m_axi_awlock),
.m_axi_awcache (m_axi_awcache),
.m_axi_awprot (m_axi_awprot),
.m_axi_awqos (),
.m_axi_awregion(),
.m_axi_awuser (unused_awuser),
.m_axi_awvalid (m_axi_awvalid),
.m_axi_awready (m_axi_awready),
.m_axi_wdata (m_axi_wdata),
.m_axi_wstrb (m_axi_wstrb),
.m_axi_wlast (m_axi_wlast),
.m_axi_wuser (unused_wuser),
.m_axi_wvalid (m_axi_wvalid),
.m_axi_wready (m_axi_wready),
.m_axi_bid (m_axi_bid),
.m_axi_bresp (m_axi_bresp),
.m_axi_buser ({AXI_USER_WIDTH{1'b0}}),
.m_axi_bvalid (m_axi_bvalid),
.m_axi_bready (m_axi_bready),
.m_axi_arid (m_axi_arid),
.m_axi_araddr (m_axi_araddr),
.m_axi_arlen (m_axi_arlen),
.m_axi_arsize (m_axi_arsize),
.m_axi_arburst (m_axi_arburst),
.m_axi_arlock (m_axi_arlock),
.m_axi_arcache (m_axi_arcache),
.m_axi_arprot (m_axi_arprot),
.m_axi_arqos (),
.m_axi_arregion(),
.m_axi_aruser (unused_aruser),
.m_axi_arvalid (m_axi_arvalid),
.m_axi_arready (m_axi_arready),
.m_axi_rid (m_axi_rid),
.m_axi_rdata (m_axi_rdata),
.m_axi_rresp (m_axi_rresp),
.m_axi_rlast (m_axi_rlast),
.m_axi_ruser ({AXI_USER_WIDTH{1'b0}}),
.m_axi_rvalid (m_axi_rvalid),
.m_axi_rready (m_axi_rready)
);
// Controller ADC/DAC outputs.
@@ -365,9 +292,7 @@ axi4_if_to_flat #(
.adc_rst(adc_rst),
.m_axis_read_data(dma_read_data),
.s_axis_write_data(dma_write_data),
.m_axi(m_axi)
.s_axis_write_data(dma_write_data)
);
endmodule : tb_controller_wrapper_axil
designs/controller_dma_connective/tests/test_controller_and_dma.py
+28 -50
View File
@@ -1,9 +1,8 @@
import cocotb
from cocotb.clock import Clock
from cocotb.handle import Immediate
from cocotb.triggers import RisingEdge
from cocotbext.axi import AxiLiteBus, AxiLiteMaster
from cocotbext.axi import AxiBus, AxiRam, AxiStreamBus, AxiStreamSource, AxiStreamSink
from cocotbext.axi import AxiBus, AxiRam, AxiStreamBus, AxiStreamSource, AxiStreamSink, AxiStreamFrame
# Register indexes from axi4l_reg_map_controller_pkg.sv
@@ -140,77 +139,56 @@ async def simple_controller_start_check(dut):
await RisingEdge(dut.dac_start)
@cocotb.test()
async def test_dma_write(dut):
async def simple_dma_mem_to_mem(dut):
tb = TB(dut)
await tb.reset()
data = bytes(range(64))
SRC_ADDR = 0x1000
LENGTH = 8
#write data into memory
tx_data = bytes([ 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88 ])
await tb.write_reg(REG_DESC_WRITE_ADDR, 0x1000)
await tb.write_reg(REG_DESC_WRITE_LEN_AND_TAG, 64)
## write part
await tb.write_reg(REG_DESC_WRITE_ADDR, SRC_ADDR)
await tb.write_reg(REG_DESC_WRITE_LEN_AND_TAG, LENGTH)
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_WRITE)
await RisingEdge(dut.ctrl_clk)
cocotb.start_soon(tb.axis_source.send(data))
for _ in range(200):
await tb.axis_source.send(AxiStreamFrame(tx_data))
for _ in range(20):
await RisingEdge(dut.ctrl_clk)
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_WRITE)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
status = await tb.read_reg( REG_STATUS_WRITE_LEN)
if status == 64:
break
else:
assert False, "DMA timeout"
assert await tb.read_reg(REG_STATUS_WRITE_CONFIG) == 0
assert await tb.read_reg(REG_STATUS_WRITE_LEN) == 0x8
## read part
mem = await tb.mem.read( 0x1000, 64)
assert mem == data
@cocotb.test()
async def test_dma_read(dut):
tb = TB(dut)
await tb.reset()
data = bytes(range(64))
#read data from memory
await tb.mem.write( 0x2000, data)
await tb.write_reg( REG_DESC_READ_ADDR, 0x2000)
await tb.write_reg( REG_DESC_READ_LEN, 64)
await tb.write_reg( REG_DESC_READ_CONFIG, 1)
await tb.write_reg(REG_DESC_READ_ADDR, SRC_ADDR)
await tb.write_reg(REG_DESC_READ_LEN, LENGTH)
await tb.write_reg(REG_DESC_READ_CONFIG, 0x0000_0001)
await tb.write_reg(REG_CONTROL, 1 << CTRL_SEND_DESC_READ)
frame = await tb.axis_sink.recv()
assert frame.data == data
await tb.write_reg(
REG_CONTROL,
1 << CTRL_TAKE_STATUS_READ
)
for _ in range(100):
status = await tb.read_reg(
REG_READ_STATUS
)
if status != 0:
break
rx_frame = await tb.axis_sink.recv()
for _ in range(20):
await RisingEdge(dut.ctrl_clk)
else:
assert False, "DMA read status timeout"
await tb.write_reg(REG_CONTROL, 1 << CTRL_TAKE_STATUS_READ)
for _ in range(10):
await RisingEdge(dut.ctrl_clk)
assert await tb.read_reg(REG_READ_STATUS) == 0x1
assert bytes(rx_frame) == tx_data