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7497f1f6bb
...
3ecc6a4ed1
3
.gitmodules
vendored
3
.gitmodules
vendored
@ -4,6 +4,3 @@
|
||||
[submodule "fpga/hdl/trashernet"]
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path = fpga/hdl/trashernet
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url = https://git.notsyncing.net/fpga/trashernet.git
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[submodule "fpga/hdl/neorv32"]
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path = fpga/hdl/neorv32
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url = https://github.com/stnolting/neorv32.git
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|
@ -1,16 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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||||
<com.sigasi.hdt.shared.librarymapping.model:LibraryMappings xmlns:com.sigasi.hdt.shared.librarymapping.model="com.sigasi.hdt.vhdl.scoping.librarymapping" Version="2">
|
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<Mappings Location="hdl/bench" Library="bench"/>
|
||||
<Mappings Location="hdl/design" Library="design"/>
|
||||
<Mappings Location="hdl/device_models" Library="device_models"/>
|
||||
<Mappings Location="hdl/generics" Library="generics"/>
|
||||
<Mappings Location="Common Libraries/IEEE" Library="ieee"/>
|
||||
<Mappings Location="Common Libraries/IEEE Synopsys" Library="ieee"/>
|
||||
<Mappings Location="hdl/neorv32/rtl/core" Library="neorv32"/>
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<Mappings Location="Common Libraries" Library="not mapped"/>
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||||
<Mappings Location="diamond" Library="not mapped"/>
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||||
<Mappings Location="hdl" Library="not mapped"/>
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||||
<Mappings Location="Common Libraries/STD" Library="std"/>
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<Mappings Location="hdl/trashernet/trashernet" Library="trashernet"/>
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<Mappings Location="" Library="work"/>
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</com.sigasi.hdt.shared.librarymapping.model:LibraryMappings>
|
@ -1,46 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>trashernet_soc</name>
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<comment></comment>
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||||
<projects>
|
||||
</projects>
|
||||
<buildSpec>
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||||
<buildCommand>
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||||
<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
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||||
</buildSpec>
|
||||
<natures>
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||||
<nature>com.sigasi.hdt.vhdl.ui.vhdlNature</nature>
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||||
<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
|
||||
<nature>com.sigasi.hdt.verilog.ui.verilogNature</nature>
|
||||
</natures>
|
||||
<linkedResources>
|
||||
<link>
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||||
<name>Common Libraries</name>
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||||
<type>2</type>
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||||
<locationURI>virtual:/virtual</locationURI>
|
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</link>
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<link>
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<name>Common Libraries/DRAG_REUSABLE_LIBRARIES_HERE.txt</name>
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<type>1</type>
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<locationURI>sigasiresource:/vhdl/readme.txt</locationURI>
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</link>
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<link>
|
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<name>Common Libraries/IEEE</name>
|
||||
<type>2</type>
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||||
<locationURI>sigasiresource:/vhdl/2008/IEEE</locationURI>
|
||||
</link>
|
||||
<link>
|
||||
<name>Common Libraries/IEEE Synopsys</name>
|
||||
<type>2</type>
|
||||
<locationURI>sigasiresource:/vhdl/2008/IEEE%20Synopsys</locationURI>
|
||||
</link>
|
||||
<link>
|
||||
<name>Common Libraries/STD</name>
|
||||
<type>2</type>
|
||||
<locationURI>sigasiresource:/vhdl/2008/STD</locationURI>
|
||||
</link>
|
||||
</linkedResources>
|
||||
</projectDescription>
|
@ -1 +0,0 @@
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<project>=2008
|
@ -73,7 +73,7 @@ begin
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top_inst : entity design.top
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port map(
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clk_in => clk,
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clk_50m => clk,
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uart_tx => uart_txd,
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uart_rx => uart_rxd,
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eth_rx_p => rx_p,
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|
@ -1,239 +0,0 @@
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-- -------------------------------------------------------------------------- --
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-- TRASHERNET SoC - A Trashy Ethernet SoC for FPGAs --
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-- -------------------------------------------------------------------------- --
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-- VUnit test bench for the aps6404l Wishbone IF
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-- -------------------------------------------------------------------------- --
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-- Author : Markus Koch <markus@notsyncing.net>
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-- Contributors : None
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-- License : Mozilla Public License (MPL) Version 2
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-- -------------------------------------------------------------------------- --
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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use std.textio.all;
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library design;
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use design.all;
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library generics;
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use generics.wishbone_pkg.all;
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library device_models;
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use device_models.all;
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library vunit_lib;
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context vunit_lib.vunit_context;
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library osvvm;
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context osvvm.osvvmContext;
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use osvvm.ScoreboardPkg_slv.all;
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entity bench_top_neorv32_wb is
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generic(
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runner_cfg : string := runner_cfg_default
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);
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end entity bench_top_neorv32_wb;
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architecture RTL of bench_top_neorv32_wb is
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constant UART_BAUD : integer := 250000;
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signal clk_in : std_logic;
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signal uart_tx : std_logic;
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signal uart_rx : std_logic;
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signal eth_rx_p : std_logic;
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signal eth_tx_p : std_logic_vector(3 downto 0);
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signal eth_tx_n : std_logic_vector(3 downto 0);
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signal eth_led_green_n : std_logic;
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signal eth_led_orange_n : std_logic;
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signal led_user : std_logic;
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signal psram_ce_n : std_logic;
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signal psram_sclk : std_logic;
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signal psram_sio : std_logic_vector(3 downto 0);
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signal flash_ce_n : std_logic;
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signal flash_sclk : std_logic;
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signal flash_sio : std_logic_vector(3 downto 0);
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signal pmod : std_logic_vector(7 downto 0);
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signal SB : ScoreboardIDType;
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begin
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top_inst : entity design.top
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generic map(
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F_IN => 50000000,
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F_CLK => 25000000,
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F_CLK_PHY => 50000000,
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UART_BAUD => UART_BAUD,
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CPU => "neorv32"
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)
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port map(
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clk_in => clk_in,
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uart_tx => uart_tx,
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uart_rx => uart_rx,
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eth_rx_p => eth_rx_p,
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eth_tx_p => eth_tx_p,
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eth_tx_n => eth_tx_n,
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eth_led_green_n => eth_led_green_n,
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eth_led_orange_n => eth_led_orange_n,
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led_user => led_user,
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psram_ce_n => psram_ce_n,
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psram_sclk => psram_sclk,
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psram_sio => psram_sio,
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flash_ce_n => flash_ce_n,
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flash_sclk => flash_sclk,
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flash_sio => flash_sio,
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pmod => pmod
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);
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aps6404l_inst : entity device_models.aps6404l
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generic map(
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LOG_EN => false
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)
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port map(
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ce_n => psram_ce_n,
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sclk => psram_sclk,
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sio => psram_sio
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);
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uart_decoder : process is
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constant DELAY : time := (1 sec / UART_BAUD);
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variable d : std_logic_vector(7 downto 0);
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begin
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wait until falling_edge(uart_tx);
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wait for 0.5 * DELAY;
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for i in 0 to 7 loop
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wait for DELAY;
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d(i) := uart_tx;
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end loop;
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wait for 1.0 * DELAY;
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Check(SB, d);
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end process uart_decoder;
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test : process is
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procedure uart_tx(d : std_logic_vector(7 downto 0)) is
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constant DELAY : time := (1 sec / UART_BAUD);
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begin
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uart_rx <= '0';
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wait for DELAY;
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for i in d'low to d'high loop
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uart_rx <= d(i);
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wait for DELAY;
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end loop;
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uart_rx <= '1';
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wait for DELAY;
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end procedure uart_tx;
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begin
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test_runner_setup(runner, runner_cfg);
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SB <= NewID("UART RX");
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report "Waiting for internal reset to be complete...";
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wait for 10 us;
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report "Starting tests...";
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while test_suite loop
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if run("bootloader") then
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uart_rx <= '1';
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wait for (1 sec / UART_BAUD) * 10;
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report ("Writing ABCD+jalr0 to RAM...");
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-- WRITE
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uart_tx(x"01");
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-- to RAM
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uart_tx(x"40");
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"00");
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-- 8 bytes
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"08");
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-- with this data ("ABCD", jalr zero)
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uart_tx(x"41");
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uart_tx(x"42");
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uart_tx(x"43");
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uart_tx(x"44");
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uart_tx(x"e7");
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"00");
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||||
report ("Reading back from RAM...");
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-- READ
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uart_tx(x"02");
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-- from RAM
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uart_tx(x"40");
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"00");
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||||
-- 4 bytes ("ABCD")
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"00");
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uart_tx(x"04");
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Push(SB, x"41");
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Push(SB, x"42");
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Push(SB, x"43");
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Push(SB, x"44");
|
||||
|
||||
wait for (1 sec / UART_BAUD) * 10 * 5;
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||||
|
||||
report ("Jumping to RAM+4...");
|
||||
-- JUMP
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||||
uart_tx(x"03");
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||||
|
||||
-- to RAM (+4, jalr zero)
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||||
uart_tx(x"40");
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||||
uart_tx(x"00");
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||||
uart_tx(x"00");
|
||||
uart_tx(x"04");
|
||||
|
||||
-- The program will jump back to the loader, so we should be able to read again
|
||||
wait for 100 us;
|
||||
|
||||
report ("Reading from RAM again...");
|
||||
-- READ
|
||||
uart_tx(x"02");
|
||||
|
||||
-- from RAM
|
||||
uart_tx(x"40");
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||||
uart_tx(x"00");
|
||||
uart_tx(x"00");
|
||||
uart_tx(x"00");
|
||||
|
||||
-- 4 bytes
|
||||
uart_tx(x"00");
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||||
uart_tx(x"00");
|
||||
uart_tx(x"00");
|
||||
uart_tx(x"04");
|
||||
|
||||
Push(SB, x"41");
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||||
Push(SB, x"42");
|
||||
Push(SB, x"43");
|
||||
Push(SB, x"44");
|
||||
wait for (1 sec / UART_BAUD) * 10 * 5;
|
||||
|
||||
assert ScoreboardEmpty(SB) report "UART RX Scoreboard not empty at end of test!" severity error;
|
||||
end if;
|
||||
end loop;
|
||||
test_runner_cleanup(runner);
|
||||
end process test;
|
||||
|
||||
test_runner_watchdog(runner, 50 ms);
|
||||
|
||||
clock_driver : process
|
||||
constant period : time := 20 ns;
|
||||
begin
|
||||
clk_in <= '0';
|
||||
wait for period / 2;
|
||||
clk_in <= '1';
|
||||
wait for period - (period / 2);
|
||||
end process clock_driver;
|
||||
end architecture RTL;
|
@ -1,170 +0,0 @@
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- TRASHERNET SoC - A Trashy Ethernet SoC for FPGAs --
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- Wrapper for NEORV32
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- Author : Markus Koch <markus@notsyncing.net>
|
||||
-- Contributors : None
|
||||
-- License : Mozilla Public License (MPL) Version 2
|
||||
-- -------------------------------------------------------------------------- --
|
||||
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all;
|
||||
use ieee.numeric_std.all;
|
||||
|
||||
library generics;
|
||||
use generics.wishbone_pkg.all;
|
||||
|
||||
library neorv32;
|
||||
use neorv32.neorv32_package.all;
|
||||
|
||||
entity neorv32_top_vhdl is
|
||||
port(
|
||||
clk : in std_logic; -- CPU and bus clock
|
||||
clr : in std_logic; -- Synchronous clear (CPU reset)
|
||||
wbi_o : out wishbone_master_out; -- Instruction Wishbone bus (out)
|
||||
wbi_i : in wishbone_master_in; -- Instruction Wishbone bus (in)
|
||||
wbd_o : out wishbone_master_out; -- Data Wishbone bus (out)
|
||||
wbd_i : in wishbone_master_in; -- Data Wishbone bus (in)
|
||||
irq_timer : in std_logic -- System timer interrupt
|
||||
);
|
||||
end entity neorv32_top_vhdl;
|
||||
|
||||
architecture rtl of neorv32_top_vhdl is
|
||||
signal ibus_req_o : bus_req_t;
|
||||
signal ibus_rsp_i : bus_rsp_t;
|
||||
signal dbus_req_o : bus_req_t;
|
||||
signal dbus_rsp_i : bus_rsp_t;
|
||||
|
||||
signal wbi_rsp_latched : std_logic;
|
||||
signal wbd_rsp_latched : std_logic;
|
||||
|
||||
signal ibus_req_mask : std_logic;
|
||||
signal ibus_rsp_mask : std_logic;
|
||||
|
||||
signal dbus_req_mask : std_logic;
|
||||
signal dbus_rsp_mask : std_logic;
|
||||
begin
|
||||
|
||||
neorv32_cpu_inst : entity neorv32.neorv32_cpu
|
||||
generic map(
|
||||
HART_ID => x"00000000",
|
||||
VENDOR_ID => x"00000000",
|
||||
CPU_BOOT_ADDR => x"00000000",
|
||||
CPU_DEBUG_PARK_ADDR => x"00000000",
|
||||
CPU_DEBUG_EXC_ADDR => x"00000000",
|
||||
CPU_EXTENSION_RISCV_A => false,
|
||||
CPU_EXTENSION_RISCV_B => false,
|
||||
CPU_EXTENSION_RISCV_C => false,
|
||||
CPU_EXTENSION_RISCV_E => false,
|
||||
CPU_EXTENSION_RISCV_M => false,
|
||||
CPU_EXTENSION_RISCV_U => false,
|
||||
CPU_EXTENSION_RISCV_Zbkx => false,
|
||||
CPU_EXTENSION_RISCV_Zfinx => false,
|
||||
CPU_EXTENSION_RISCV_Zicntr => false,
|
||||
CPU_EXTENSION_RISCV_Zicond => false,
|
||||
CPU_EXTENSION_RISCV_Zihpm => false,
|
||||
CPU_EXTENSION_RISCV_Zknd => false,
|
||||
CPU_EXTENSION_RISCV_Zkne => false,
|
||||
CPU_EXTENSION_RISCV_Zknh => false,
|
||||
CPU_EXTENSION_RISCV_Zmmul => false,
|
||||
CPU_EXTENSION_RISCV_Zxcfu => false,
|
||||
CPU_EXTENSION_RISCV_Sdext => false,
|
||||
CPU_EXTENSION_RISCV_Sdtrig => false,
|
||||
CPU_EXTENSION_RISCV_Smpmp => false,
|
||||
FAST_MUL_EN => false,
|
||||
FAST_SHIFT_EN => false,
|
||||
REGFILE_HW_RST => true,
|
||||
PMP_NUM_REGIONS => 0,
|
||||
PMP_MIN_GRANULARITY => 0,
|
||||
PMP_TOR_MODE_EN => false,
|
||||
PMP_NAP_MODE_EN => false,
|
||||
HPM_NUM_CNTS => 0,
|
||||
HPM_CNT_WIDTH => 0
|
||||
)
|
||||
port map(
|
||||
clk_i => clk,
|
||||
clk_aux_i => clk,
|
||||
rstn_i => not clr,
|
||||
sleep_o => open,
|
||||
debug_o => open,
|
||||
msi_i => '0',
|
||||
mei_i => '0',
|
||||
mti_i => irq_timer,
|
||||
firq_i => x"0000",
|
||||
dbi_i => '0',
|
||||
ibus_req_o => ibus_req_o,
|
||||
ibus_rsp_i => ibus_rsp_i,
|
||||
dbus_req_o => dbus_req_o,
|
||||
dbus_rsp_i => dbus_rsp_i
|
||||
);
|
||||
|
||||
-- Instruction bus
|
||||
wbi_o.adr <= wishbone_address(ibus_req_o.addr);
|
||||
wbi_o.dat <= wishbone_data(ibus_req_o.data);
|
||||
wbi_o.sel <= wishbone_byte_select(ibus_req_o.ben);
|
||||
wbi_o.we <= ibus_req_o.rw; -- TODO: We should also buffer this like we do stb, but in the current version the CPU holds it for us, so :shrug:
|
||||
wbi_o.cyc <= wbi_o.stb;
|
||||
ibus_rsp_i.data <= std_ulogic_vector(wbi_i.dat);
|
||||
|
||||
wbi_o.stb <= ibus_req_mask;
|
||||
ibus_rsp_i.ack <= wbi_i.ack and not (ibus_rsp_mask);
|
||||
ibus_rsp_i.err <= (wbi_i.err or wbi_i.rty) and not (ibus_rsp_mask);
|
||||
|
||||
wb2bus_i : process(clk) is
|
||||
begin
|
||||
if rising_edge(clk) then
|
||||
if ibus_req_o.stb then
|
||||
ibus_req_mask <= '1';
|
||||
assert ibus_req_o.rvso = '0' report "Error: IBus RVSO not implemented but requested!" severity FAILURE;
|
||||
end if;
|
||||
if (wbi_i.ack or wbi_i.err or wbi_i.rty) and not ibus_req_o.stb then
|
||||
ibus_req_mask <= '0';
|
||||
ibus_rsp_mask <= '1';
|
||||
|
||||
else
|
||||
ibus_rsp_mask <= '0';
|
||||
end if;
|
||||
|
||||
if clr then
|
||||
ibus_req_mask <= '0';
|
||||
ibus_rsp_mask <= '0';
|
||||
end if;
|
||||
end if;
|
||||
end process wb2bus_i;
|
||||
|
||||
-- Data bus
|
||||
wbd_o.adr <= wishbone_address(dbus_req_o.addr);
|
||||
wbd_o.dat <= wishbone_data(dbus_req_o.data);
|
||||
wbd_o.sel <= wishbone_byte_select(dbus_req_o.ben);
|
||||
wbd_o.we <= dbus_req_o.rw;
|
||||
wbd_o.cyc <= wbd_o.stb;
|
||||
dbus_rsp_i.data <= std_ulogic_vector(wbd_i.dat);
|
||||
|
||||
wbd_o.stb <= dbus_req_mask;
|
||||
dbus_rsp_i.ack <= wbd_i.ack and not (dbus_rsp_mask);
|
||||
dbus_rsp_i.err <= (wbd_i.err or wbd_i.rty) and not (dbus_rsp_mask);
|
||||
|
||||
wb2bus_d : process(clk) is
|
||||
begin
|
||||
if rising_edge(clk) then
|
||||
if dbus_req_o.stb then
|
||||
dbus_req_mask <= '1';
|
||||
assert dbus_req_o.rvso = '0' report "Error: dbus RVSO not implemented but requested!" severity FAILURE;
|
||||
end if;
|
||||
if (wbd_i.ack or wbd_i.err or wbd_i.rty) and not dbus_req_o.stb then
|
||||
dbus_req_mask <= '0';
|
||||
dbus_rsp_mask <= '1';
|
||||
|
||||
else
|
||||
dbus_rsp_mask <= '0';
|
||||
end if;
|
||||
|
||||
if clr then
|
||||
dbus_req_mask <= '0';
|
||||
dbus_rsp_mask <= '0';
|
||||
end if;
|
||||
end if;
|
||||
end process wb2bus_d;
|
||||
|
||||
end architecture rtl;
|
@ -1,7 +1,7 @@
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- TRASHERNET SoC - A Trashy Ethernet SoC for FPGAs --
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- Servant-compatible RAM, rewritten in VHDL
|
||||
-- TODO
|
||||
-- -------------------------------------------------------------------------- --
|
||||
-- Author : Markus Koch <markus@notsyncing.net>
|
||||
-- Contributors : None
|
||||
@ -11,7 +11,6 @@
|
||||
library ieee;
|
||||
use ieee.std_logic_1164.all;
|
||||
use ieee.numeric_std.all;
|
||||
use std.textio.all;
|
||||
|
||||
library generics;
|
||||
use generics.wishbone_pkg.all;
|
||||
@ -32,31 +31,48 @@ entity servant_ram_vhdl is
|
||||
end entity servant_ram_vhdl;
|
||||
|
||||
architecture rtl of servant_ram_vhdl is
|
||||
type mem_t is array (0 to 2 ** adr_width - 1) of std_logic_vector(wb_i.dat'range);
|
||||
component servant_ram
|
||||
generic(
|
||||
depth : integer;
|
||||
aw : integer;
|
||||
memfile : string
|
||||
);
|
||||
port(
|
||||
i_wb_clk : in std_logic;
|
||||
i_wb_rst : in std_logic;
|
||||
i_wb_adr : in std_logic_vector;
|
||||
i_wb_dat : in std_logic_vector;
|
||||
i_wb_sel : in std_logic_vector;
|
||||
i_wb_we : in std_logic;
|
||||
i_wb_cyc : in std_logic;
|
||||
o_wb_rdt : out std_logic_vector;
|
||||
o_wb_ack : out std_logic
|
||||
);
|
||||
end component servant_ram;
|
||||
|
||||
impure function init_ram_hex return mem_t is
|
||||
file text_file : text open read_mode is memfile;
|
||||
variable text_line : line;
|
||||
variable ram_content : mem_t := (others => (others => '0'));
|
||||
begin
|
||||
for i in 0 to 2 ** adr_width - 1 loop
|
||||
exit when endfile(text_file);
|
||||
readline(text_file, text_line);
|
||||
hread(text_line, ram_content(i));
|
||||
end loop;
|
||||
|
||||
return ram_content;
|
||||
end function;
|
||||
|
||||
signal mem : mem_t := init_ram_hex;
|
||||
signal mem_address : integer range mem'range;
|
||||
begin
|
||||
servant_ram_inst : component servant_ram
|
||||
generic map(
|
||||
depth => 2 ** adr_width,
|
||||
aw => adr_width,
|
||||
memfile => memfile
|
||||
)
|
||||
port map(
|
||||
i_wb_clk => clk,
|
||||
i_wb_rst => clr,
|
||||
i_wb_adr => wb_i.adr(adr_width - 1 downto 2),
|
||||
i_wb_dat => wb_i.dat,
|
||||
i_wb_sel => wb_i.sel,
|
||||
i_wb_we => wb_i.we,
|
||||
i_wb_cyc => wb_i.cyc and wb_i.stb,
|
||||
o_wb_rdt => wb_o.dat,
|
||||
o_wb_ack => wb_o.ack
|
||||
);
|
||||
|
||||
wb_o.rty <= '0';
|
||||
wb_o.err <= '0';
|
||||
wb_o.stall <= '0';
|
||||
|
||||
mem_address <= to_integer(unsigned(wb_i.adr(adr_width - 1 + 2 downto 2)));
|
||||
|
||||
rowarn : process(clk) is
|
||||
begin
|
||||
if rising_edge(clk) then
|
||||
@ -71,24 +87,4 @@ begin
|
||||
end if;
|
||||
end process rowarn;
|
||||
|
||||
mem_p : process(clk) is
|
||||
begin
|
||||
if rising_edge(clk) then
|
||||
wb_o.dat <= mem(mem_address);
|
||||
wb_o.ack <= wb_i.stb;
|
||||
if (wb_i.we) then
|
||||
wb_o.dat <= (others => '-');
|
||||
for i in wb_i.sel'range loop
|
||||
if wb_i.sel(i) then
|
||||
mem(mem_address)((i + 1) * 8 - 1 downto (i * 8)) <= wb_i.dat((i + 1) * 8 - 1 downto (i * 8));
|
||||
end if;
|
||||
end loop;
|
||||
end if;
|
||||
|
||||
if clr then
|
||||
wb_o.dat <= (others => '-');
|
||||
wb_o.ack <= '0';
|
||||
end if;
|
||||
end if;
|
||||
end process mem_p;
|
||||
end architecture rtl;
|
||||
|
@ -23,8 +23,7 @@ entity top is
|
||||
F_IN : integer := 50000000;
|
||||
F_CLK : integer := 25000000;
|
||||
F_CLK_PHY : integer := 50000000;
|
||||
UART_BAUD : integer := 250000;
|
||||
CPU : string := "serv"
|
||||
UART_BAUD : integer := 250000
|
||||
);
|
||||
port(
|
||||
clk_in : in std_logic; -- System clock
|
||||
@ -81,16 +80,16 @@ architecture rtl of top is
|
||||
-- Wishbone interconnect (master)
|
||||
signal wbi_masters_o : wishbone_slave_in_vector(0 downto 0);
|
||||
signal wbi_masters_i : wishbone_slave_out_vector(wbi_masters_o'range);
|
||||
alias wbi_o is wbi_masters_o(0);
|
||||
alias wbi_i is wbi_masters_i(0);
|
||||
alias wbi_o is wbi_masters_o(0);
|
||||
alias wbi_i is wbi_masters_i(0);
|
||||
|
||||
-- Wishbone interconnect (slave)
|
||||
signal wbi_slaves_o : wishbone_master_in_vector(1 downto 0);
|
||||
signal wbi_slaves_i : wishbone_master_out_vector(wbi_slaves_o'range);
|
||||
alias wbi_rom_o is wbi_slaves_o(0);
|
||||
alias wbi_rom_i is wbi_slaves_i(0);
|
||||
alias wbi_ram_o is wbi_slaves_o(1);
|
||||
alias wbi_ram_i is wbi_slaves_i(1);
|
||||
alias wbi_rom_o is wbi_slaves_o(0);
|
||||
alias wbi_rom_i is wbi_slaves_i(0);
|
||||
alias wbi_ram_o is wbi_slaves_o(1);
|
||||
alias wbi_ram_i is wbi_slaves_i(1);
|
||||
|
||||
-- Slave address map
|
||||
constant wishbone_instruction_addresses : wishbone_address_vector := (
|
||||
@ -106,20 +105,20 @@ architecture rtl of top is
|
||||
-- Wishbone interconnect (master)
|
||||
signal wbd_masters_o : wishbone_slave_in_vector(0 downto 0);
|
||||
signal wbd_masters_i : wishbone_slave_out_vector(wbd_masters_o'range);
|
||||
alias wbd_o is wbd_masters_o(0);
|
||||
alias wbd_i is wbd_masters_i(0);
|
||||
alias wbd_o is wbd_masters_o(0);
|
||||
alias wbd_i is wbd_masters_i(0);
|
||||
|
||||
-- Wishbone interconnect (slave)
|
||||
signal wbd_slaves_o : wishbone_master_in_vector(3 downto 0);
|
||||
signal wbd_slaves_i : wishbone_master_out_vector(wbd_slaves_o'range);
|
||||
alias wb_ram_o is wbd_slaves_o(0);
|
||||
alias wb_ram_i is wbd_slaves_i(0);
|
||||
alias wb_timer_o is wbd_slaves_o(1);
|
||||
alias wb_timer_i is wbd_slaves_i(1);
|
||||
alias wb_uart_o is wbd_slaves_o(2);
|
||||
alias wb_uart_i is wbd_slaves_i(2);
|
||||
alias wb_eth_o is wbd_slaves_o(3);
|
||||
alias wb_eth_i is wbd_slaves_i(3);
|
||||
alias wb_ram_o is wbd_slaves_o(0);
|
||||
alias wb_ram_i is wbd_slaves_i(0);
|
||||
alias wb_timer_o is wbd_slaves_o(1);
|
||||
alias wb_timer_i is wbd_slaves_i(1);
|
||||
alias wb_uart_o is wbd_slaves_o(2);
|
||||
alias wb_uart_i is wbd_slaves_i(2);
|
||||
alias wb_eth_o is wbd_slaves_o(3);
|
||||
alias wb_eth_i is wbd_slaves_i(3);
|
||||
|
||||
-- Slave address map
|
||||
constant wishbone_data_addresses : wishbone_address_vector := (
|
||||
@ -202,38 +201,16 @@ begin
|
||||
end if;
|
||||
end process por;
|
||||
|
||||
cpu_sel : if CPU = "serv" generate
|
||||
serv_top_vhdl_inst : entity work.serv_top_vhdl
|
||||
port map(
|
||||
clk => clk,
|
||||
clr => clr,
|
||||
wbi_o => wbi_o,
|
||||
wbi_i => wbi_i,
|
||||
wbd_o => wbd_o,
|
||||
wbd_i => wbd_i,
|
||||
irq_timer => irq_timer
|
||||
);
|
||||
|
||||
elsif CPU = "neorv32" generate
|
||||
neorv32_top_vhdl_inst : entity work.neorv32_top_vhdl
|
||||
port map(
|
||||
clk => clk,
|
||||
clr => clr,
|
||||
wbi_o => wbi_o,
|
||||
wbi_i => wbi_i,
|
||||
wbd_o => wbd_o,
|
||||
wbd_i => wbd_i,
|
||||
irq_timer => irq_timer
|
||||
);
|
||||
|
||||
else generate
|
||||
cpu_sel_err_p : process is
|
||||
begin
|
||||
report "ERROR: Selected invalid CPU" severity FAILURE;
|
||||
wait;
|
||||
end process cpu_sel_err_p;
|
||||
|
||||
end generate cpu_sel;
|
||||
serv_top_vhdl_inst : entity work.serv_top_vhdl
|
||||
port map(
|
||||
clk => clk,
|
||||
clr => clr,
|
||||
wbi_o => wbi_o,
|
||||
wbi_i => wbi_i,
|
||||
wbd_o => wbd_o,
|
||||
wbd_i => wbd_i,
|
||||
irq_timer => irq_timer
|
||||
);
|
||||
|
||||
servant_rom_vhdl_inst : entity work.servant_ram_vhdl
|
||||
generic map(
|
||||
|
@ -1 +0,0 @@
|
||||
Subproject commit fd79163eb2d49cc57a9d91061a9fd4f6cdc94644
|
@ -14,7 +14,6 @@ libraries = {
|
||||
"device_models",
|
||||
"generics",
|
||||
"serv",
|
||||
"neorv32",
|
||||
"trashernet"
|
||||
}
|
||||
}
|
||||
@ -39,9 +38,6 @@ for base_path in libraries:
|
||||
if library_name == "trashernet": # Special case: Trashernet submodule
|
||||
path = os.path.join(base_path, "hdl", library_name, library_name, "*.vhd")
|
||||
libs[library_name].add_source_files(path)
|
||||
elif library_name == "neorv32": # Special case: NEORV32 submodule
|
||||
path = os.path.join(base_path, "hdl", library_name, "rtl", "core", "*.vhd")
|
||||
libs[library_name].add_source_files(path)
|
||||
elif library_name == "serv": # Special case: SERV submodule
|
||||
print("Skipping SERV. It's Verilog.")
|
||||
else: # Normal lib
|
||||
|
@ -13,7 +13,6 @@ libraries = {
|
||||
"device_models",
|
||||
"generics",
|
||||
"serv",
|
||||
"neorv32",
|
||||
"trashernet"
|
||||
}
|
||||
}
|
||||
@ -38,9 +37,6 @@ for base_path in libraries:
|
||||
if library_name == "trashernet": # Special case: Trashernet submodule
|
||||
path = os.path.join(base_path, "hdl", library_name, library_name, "*.vhd")
|
||||
libs[library_name].add_source_files(path)
|
||||
elif library_name == "neorv32": # Special case: NEORV32 submodule
|
||||
path = os.path.join(base_path, "hdl", library_name, "rtl", "core", "*.vhd")
|
||||
libs[library_name].add_source_files(path)
|
||||
elif library_name == "serv": # Special case: SERV submodule
|
||||
print("Skipping SERV. It's Verilog.")
|
||||
else: # Normal lib
|
||||
|
Loading…
Reference in New Issue
Block a user