Updated testing setup to remove example tests, and provide a proper GPIO test which passes when using verify rtl.
diff --git a/verilog/dv/io_ports/Makefile b/verilog/dv/io_ports/Makefile
deleted file mode 100644
index 3fd0b56..0000000
--- a/verilog/dv/io_ports/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-
-PWDD := $(shell pwd)
-BLOCKS := $(shell basename $(PWDD))
-
-# ---- Include Partitioned Makefiles ----
-
-CONFIG = caravel_user_project
-
-
-include $(MCW_ROOT)/verilog/dv/make/env.makefile
-include $(MCW_ROOT)/verilog/dv/make/var.makefile
-include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
-include $(MCW_ROOT)/verilog/dv/make/sim.makefile
-
-
diff --git a/verilog/dv/io_ports/io_ports.c b/verilog/dv/io_ports/io_ports.c
deleted file mode 100644
index d204e4a..0000000
--- a/verilog/dv/io_ports/io_ports.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-#include <stub.c>
-
-/*
- IO Test:
- - Configures MPRJ lower 8-IO pins as outputs
- - Observes counter value through the MPRJ lower 8 IO pins (in the testbench)
-*/
-
-void main()
-{
- /*
- IO Control Registers
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 3-bits | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit |
-
- Output: 0000_0110_0000_1110 (0x1808) = GPIO_MODE_USER_STD_OUTPUT
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
-
-
- Input: 0000_0001_0000_1111 (0x0402) = GPIO_MODE_USER_STD_INPUT_NOPULL
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
-
- */
-
- /* Set up the housekeeping SPI to be connected internally so */
- /* that external pin changes don't affect it. */
-
- // reg_spi_enable = 1;
- // reg_spimaster_cs = 0x10001;
- // reg_spimaster_control = 0x0801;
-
- // reg_spimaster_control = 0xa002; // Enable, prescaler = 2,
- // connect to housekeeping SPI
-
- // Connect the housekeeping SPI to the SPI master
- // so that the CSB line is not left floating. This allows
- // all of the GPIO pins to be used for user functions.
-
- // Configure lower 8-IOs as user output
- // Observe counter value in the testbench
- reg_mprj_io_0 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_1 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_2 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_3 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_4 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_5 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_6 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_7 = GPIO_MODE_USER_STD_OUTPUT;
-
- /* Apply configuration */
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1);
-}
-
diff --git a/verilog/dv/io_ports/io_ports_tb.v b/verilog/dv/io_ports/io_ports_tb.v
deleted file mode 100644
index cf66d3f..0000000
--- a/verilog/dv/io_ports/io_ports_tb.v
+++ /dev/null
@@ -1,171 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype none
-
-`timescale 1 ns / 1 ps
-
-module io_ports_tb;
- reg clock;
- reg RSTB;
- reg CSB;
- reg power1, power2;
- reg power3, power4;
-
- wire gpio;
- wire [37:0] mprj_io;
- wire [7:0] mprj_io_0;
-
- assign mprj_io_0 = mprj_io[7:0];
- // assign mprj_io_0 = {mprj_io[8:4],mprj_io[2:0]};
-
- assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz;
- // assign mprj_io[3] = 1'b1;
-
- // External clock is used by default. Make this artificially fast for the
- // simulation. Normally this would be a slow clock and the digital PLL
- // would be the fast clock.
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- initial begin
- $dumpfile("io_ports.vcd");
- $dumpvars(0, io_ports_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (25) begin
- repeat (1000) @(posedge clock);
- // $display("+1000 cycles");
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Test Mega-Project IO Ports (GL) Failed");
- `else
- $display ("Monitor: Timeout, Test Mega-Project IO Ports (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- // Observe Output pins [7:0]
- wait(mprj_io_0 == 8'h01);
- wait(mprj_io_0 == 8'h02);
- wait(mprj_io_0 == 8'h03);
- wait(mprj_io_0 == 8'h04);
- wait(mprj_io_0 == 8'h05);
- wait(mprj_io_0 == 8'h06);
- wait(mprj_io_0 == 8'h07);
- wait(mprj_io_0 == 8'h08);
- wait(mprj_io_0 == 8'h09);
- wait(mprj_io_0 == 8'h0A);
- wait(mprj_io_0 == 8'hFF);
- wait(mprj_io_0 == 8'h00);
-
- `ifdef GL
- $display("Monitor: Test 1 Mega-Project IO (GL) Passed");
- `else
- $display("Monitor: Test 1 Mega-Project IO (RTL) Passed");
- `endif
- $finish;
- end
-
- initial begin
- RSTB <= 1'b0;
- CSB <= 1'b1; // Force CSB high
- #2000;
- RSTB <= 1'b1; // Release reset
- #300000;
- CSB = 1'b0; // CSB can be released
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- power3 <= 1'b0;
- power4 <= 1'b0;
- #100;
- power1 <= 1'b1;
- #100;
- power2 <= 1'b1;
- #100;
- power3 <= 1'b1;
- #100;
- power4 <= 1'b1;
- end
-
- always @(mprj_io) begin
- #1 $display("MPRJ-IO state = %b ", mprj_io[7:0]);
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD3V3;
- wire VDD1V8;
- wire VSS;
-
- assign VDD3V3 = power1;
- assign VDD1V8 = power2;
- assign VSS = 1'b0;
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
- spiflash #(
- .FILENAME("io_ports.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(), // not used
- .io3() // not used
- );
-
-endmodule
-`default_nettype wire
diff --git a/verilog/dv/la_test1/Makefile b/verilog/dv/la_test1/Makefile
deleted file mode 100644
index 3fd0b56..0000000
--- a/verilog/dv/la_test1/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-
-PWDD := $(shell pwd)
-BLOCKS := $(shell basename $(PWDD))
-
-# ---- Include Partitioned Makefiles ----
-
-CONFIG = caravel_user_project
-
-
-include $(MCW_ROOT)/verilog/dv/make/env.makefile
-include $(MCW_ROOT)/verilog/dv/make/var.makefile
-include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
-include $(MCW_ROOT)/verilog/dv/make/sim.makefile
-
-
diff --git a/verilog/dv/la_test1/la_test1.c b/verilog/dv/la_test1/la_test1.c
deleted file mode 100644
index cad69d1..0000000
--- a/verilog/dv/la_test1/la_test1.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-#include <stub.c>
-
-// --------------------------------------------------------
-
-/*
- MPRJ Logic Analyzer Test:
- - Observes counter value through LA probes [31:0]
- - Sets counter initial value through LA probes [63:32]
- - Flags when counter value exceeds 500 through the management SoC gpio
- - Outputs message to the UART when the test concludes successfuly
-*/
-
-void main()
-{
- int j;
-
- /* Set up the housekeeping SPI to be connected internally so */
- /* that external pin changes don't affect it. */
-
- // reg_spi_enable = 1;
- // reg_spimaster_cs = 0x00000;
-
- // reg_spimaster_control = 0x0801;
-
- // reg_spimaster_control = 0xa002; // Enable, prescaler = 2,
- // connect to housekeeping SPI
-
- // Connect the housekeeping SPI to the SPI master
- // so that the CSB line is not left floating. This allows
- // all of the GPIO pins to be used for user functions.
-
- // The upper GPIO pins are configured to be output
- // and accessble to the management SoC.
- // Used to flad the start/end of a test
- // The lower GPIO pins are configured to be output
- // and accessible to the user project. They show
- // the project count value, although this test is
- // designed to read the project count through the
- // logic analyzer probes.
- // I/O 6 is configured for the UART Tx line
-
- reg_mprj_io_31 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_30 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_29 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_28 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_27 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_26 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_25 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_24 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_23 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_22 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_21 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_20 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_19 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_18 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_17 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_16 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- reg_mprj_io_15 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_14 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_13 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_12 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_11 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_10 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_9 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_8 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_7 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_5 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_4 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_3 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_2 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_1 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_0 = GPIO_MODE_USER_STD_OUTPUT;
-
- reg_mprj_io_6 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- // Set UART clock to 64 kbaud (enable before I/O configuration)
- // reg_uart_clkdiv = 625;
- reg_uart_enable = 1;
-
- // Now, apply the configuration
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1);
-
- // Configure LA probes [31:0], [127:64] as inputs to the cpu
- // Configure LA probes [63:32] as outputs from the cpu
- reg_la0_oenb = reg_la0_iena = 0x00000000; // [31:0]
- reg_la1_oenb = reg_la1_iena = 0xFFFFFFFF; // [63:32]
- reg_la2_oenb = reg_la2_iena = 0x00000000; // [95:64]
- reg_la3_oenb = reg_la3_iena = 0x00000000; // [127:96]
-
- // Flag start of the test
- reg_mprj_datal = 0xAB400000;
-
- // Set Counter value to zero through LA probes [63:32]
- reg_la1_data = 0x00000000;
-
- // Configure LA probes from [63:32] as inputs to disable counter write
- reg_la1_oenb = reg_la1_iena = 0x00000000;
-
- while (1) {
- if (reg_la0_data_in > 0x1F4) {
- reg_mprj_datal = 0xAB410000;
- break;
- }
- }
- print("\n");
- print("Monitor: Test 1 Passed\n\n"); // Makes simulation very long!
- reg_mprj_datal = 0xAB510000;
-}
-
diff --git a/verilog/dv/la_test1/la_test1_tb.v b/verilog/dv/la_test1/la_test1_tb.v
deleted file mode 100644
index e0fff24..0000000
--- a/verilog/dv/la_test1/la_test1_tb.v
+++ /dev/null
@@ -1,152 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype none
-
-`timescale 1 ns / 1 ps
-
-module la_test1_tb;
- reg clock;
- reg RSTB;
- reg CSB;
-
- reg power1, power2;
-
- wire gpio;
- wire uart_tx;
- wire [37:0] mprj_io;
- wire [15:0] checkbits;
-
- assign checkbits = mprj_io[31:16];
- assign uart_tx = mprj_io[6];
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- // assign mprj_io[3] = 1'b1;
-
- initial begin
- $dumpfile("la_test1.vcd");
- $dumpvars(0, la_test1_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (250) begin
- repeat (1000) @(posedge clock);
- // $display("+1000 cycles");
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Test LA (GL) Failed");
- `else
- $display ("Monitor: Timeout, Test LA (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- wait(checkbits == 16'hAB40);
- $display("LA Test 1 started");
- wait(checkbits == 16'hAB41);
- wait(checkbits == 16'hAB51);
- $display("LA Test 2 passed");
- #10000;
- $finish;
- end
-
- initial begin
- RSTB <= 1'b0;
- CSB <= 1'b1; // Force CSB high
- #2000;
- RSTB <= 1'b1; // Release reset
- #170000;
- CSB = 1'b0; // CSB can be released
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- #200;
- power1 <= 1'b1;
- #200;
- power2 <= 1'b1;
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD1V8;
- wire VDD3V3;
- wire VSS;
-
- assign VDD3V3 = power1;
- assign VDD1V8 = power2;
- assign VSS = 1'b0;
-
- assign mprj_io[3] = 1; // Force CSB high.
- assign mprj_io[0] = 0; // Disable debug mode
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
- spiflash #(
- .FILENAME("la_test1.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(), // not used
- .io3() // not used
- );
-
- // Testbench UART
- tbuart tbuart (
- .ser_rx(uart_tx)
- );
-
-endmodule
-`default_nettype wire
diff --git a/verilog/dv/la_test2/Makefile b/verilog/dv/la_test2/Makefile
deleted file mode 100644
index 3fd0b56..0000000
--- a/verilog/dv/la_test2/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-
-PWDD := $(shell pwd)
-BLOCKS := $(shell basename $(PWDD))
-
-# ---- Include Partitioned Makefiles ----
-
-CONFIG = caravel_user_project
-
-
-include $(MCW_ROOT)/verilog/dv/make/env.makefile
-include $(MCW_ROOT)/verilog/dv/make/var.makefile
-include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
-include $(MCW_ROOT)/verilog/dv/make/sim.makefile
-
-
diff --git a/verilog/dv/la_test2/la_test2.c b/verilog/dv/la_test2/la_test2.c
deleted file mode 100644
index 25fad48..0000000
--- a/verilog/dv/la_test2/la_test2.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-#include <stub.c>
-
-/*
- MPRJ LA Test:
- - Sets counter clk through LA[64]
- - Sets counter rst through LA[65]
- - Observes count value for five clk cycle through LA[31:0]
-*/
-
-int clk = 0;
-int i;
-
-void main()
-{
- /* Set up the housekeeping SPI to be connected internally so */
- /* that external pin changes don't affect it. */
-
- // reg_spimaster_config = 0xa002; // Enable, prescaler = 2,
- reg_spi_enable = 1;
- // connect to housekeeping SPI
-
- // Connect the housekeeping SPI to the SPI master
- // so that the CSB line is not left floating. This allows
- // all of the GPIO pins to be used for user functions.
-
-
- // All GPIO pins are configured to be output
- // Used to flad the start/end of a test
-
- reg_mprj_io_31 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_30 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_29 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_28 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_27 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_26 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_25 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_24 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_23 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_22 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_21 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_20 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_19 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_18 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_17 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_16 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- reg_mprj_io_15 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_14 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_13 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_12 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_11 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_10 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_9 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_8 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_7 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_5 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_4 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_3 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_2 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_1 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_0 = GPIO_MODE_USER_STD_OUTPUT;
-
- /* Apply configuration */
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1);
-
- // Configure All LA probes as inputs to the cpu
- reg_la0_oenb = reg_la0_iena = 0x00000000; // [31:0]
- reg_la1_oenb = reg_la1_iena = 0x00000000; // [63:32]
- reg_la2_oenb = reg_la2_iena = 0x00000000; // [95:64]
- reg_la3_oenb = reg_la3_iena = 0x00000000; // [127:96]
-
- // Flag start of the test
- reg_mprj_datal = 0xAB600000;
-
- // Configure LA[64] LA[65] as outputs from the cpu
- reg_la2_oenb = reg_la2_iena = 0x00000003;
-
- // Set clk & reset to one
- reg_la2_data = 0x00000003;
-
- // DELAY
- for (i=0; i<5; i=i+1) {}
-
- // Toggle clk & de-assert reset
- for (i=0; i<11; i=i+1) {
- clk = !clk;
- reg_la2_data = 0x00000000 | clk;
- }
-
- // reg_mprj_datal = 0xAB610000;
-
- while (1){
- if (reg_la0_data_in >= 0x05) {
- reg_mprj_datal = 0xAB610000;
- break;
- }
-
- }
-
-}
diff --git a/verilog/dv/la_test2/la_test2_tb.v b/verilog/dv/la_test2/la_test2_tb.v
deleted file mode 100644
index 6ef965d..0000000
--- a/verilog/dv/la_test2/la_test2_tb.v
+++ /dev/null
@@ -1,139 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype none
-
-`timescale 1 ns / 1 ps
-
-module la_test2_tb;
- reg clock;
- reg RSTB;
- reg CSB;
-
- reg power1, power2;
-
- wire gpio;
- wire [37:0] mprj_io;
- wire [15:0] checkbits;
-
- assign checkbits = mprj_io[31:16];
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- initial begin
- $dumpfile("la_test2.vcd");
- $dumpvars(0, la_test2_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (75) begin
- repeat (1000) @(posedge clock);
- // $display("+1000 cycles");
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Test Mega-Project IO (GL) Failed");
- `else
- $display ("Monitor: Timeout, Test Mega-Project IO (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- wait(checkbits == 16'hAB60);
- $display("Monitor: Test 2 MPRJ-Logic Analyzer Started");
- wait(checkbits == 16'hAB61);
- $display("Monitor: Test 2 MPRJ-Logic Analyzer Passed");
- $finish;
- end
-
- initial begin
- RSTB <= 1'b0;
- #1000;
- RSTB <= 1'b1; // Release reset
- #2000;
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- #200;
- power1 <= 1'b1;
- #200;
- power2 <= 1'b1;
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD1V8;
- wire VDD3V3;
- wire VSS;
-
- assign VDD3V3 = power1;
- assign VDD1V8 = power2;
- assign VSS = 1'b0;
-
- assign mprj_io[3] = 1; // Force CSB high.
- assign mprj_io[0] = 0; // Disable debug mode
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
- spiflash #(
- .FILENAME("la_test2.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(),
- .io3()
- );
-
-endmodule
-`default_nettype wire
diff --git a/verilog/dv/mprj_stimulus/Makefile b/verilog/dv/mprj_stimulus/Makefile
deleted file mode 100644
index 3fd0b56..0000000
--- a/verilog/dv/mprj_stimulus/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-
-PWDD := $(shell pwd)
-BLOCKS := $(shell basename $(PWDD))
-
-# ---- Include Partitioned Makefiles ----
-
-CONFIG = caravel_user_project
-
-
-include $(MCW_ROOT)/verilog/dv/make/env.makefile
-include $(MCW_ROOT)/verilog/dv/make/var.makefile
-include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
-include $(MCW_ROOT)/verilog/dv/make/sim.makefile
-
-
diff --git a/verilog/dv/mprj_stimulus/mprj_stimulus.c b/verilog/dv/mprj_stimulus/mprj_stimulus.c
deleted file mode 100644
index d049848..0000000
--- a/verilog/dv/mprj_stimulus/mprj_stimulus.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-
-// --------------------------------------------------------
-
-void main()
-{
- // The upper GPIO pins are configured to be output
- // and accessble to the management SoC.
- // Used to flag the start/end of a test
- // The lower GPIO pins are configured to be output
- // and accessible to the user project. They show
- // the project count value, although this test is
- // designed to read the project count through the
- // logic analyzer probes.
- // I/O 6 is configured for the UART Tx line
-
- uint32_t testval;
-
- reg_mprj_datal = 0x00000000;
- reg_mprj_datah = 0x00000000;
-
- reg_mprj_io_37 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_36 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_35 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_34 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_33 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_32 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- reg_mprj_io_31 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_30 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_29 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_28 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_27 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_26 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_25 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_24 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_23 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_22 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_21 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_20 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_19 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_18 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_17 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_16 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- reg_mprj_io_15 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_14 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_13 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_12 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_11 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_10 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_9 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_8 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_7 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_6 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_5 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_4 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_3 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_2 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_1 = GPIO_MODE_USER_STD_OUT_MONITORED;
- reg_mprj_io_0 = GPIO_MODE_USER_STD_OUT_MONITORED;
-
- /* Apply configuration */
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1);
-
- /* TEST: Recast channels 35 to 32 to allow input to user project */
- /* This is done locally only: Do not run reg_mprj_xfer! */
- reg_mprj_io_35 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_34 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_33 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_32 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- // Configure LA probes [31:0], [127:64] as inputs to the cpu
- // Configure LA probes [63:32] as outputs from the cpu
- reg_la0_oenb = reg_la0_iena = 0x00000000; // [31:0]
- reg_la1_oenb = reg_la1_iena = 0xFFFFFFFF; // [63:32]
- reg_la2_oenb = reg_la2_iena = 0x00000000; // [95:64]
- reg_la3_oenb = reg_la3_iena = 0x00000000; // [127:96]
-
- // Flag start of the test
- reg_mprj_datal = 0xAB400000;
-
- // Set Counter value to zero through LA probes [63:32]
- reg_la1_data = 0x00000000;
-
- // Configure LA probes from [63:32] as inputs to disable counter write
- reg_la1_oenb = reg_la1_iena = 0x00000000;
-
- reg_mprj_datal = 0xAB410000;
- reg_mprj_datah = 0x00000000;
-
- // Test ability to force data on channel 37
- // NOTE: Only the low 6 bits of reg_mprj_datah are meaningful
-
- reg_mprj_datah = 0x0f0f0fc0;
- reg_mprj_datah = 0x00000000;
- reg_mprj_datah = 0x0f0f0fca;
- reg_mprj_datah = 0x0000000a;
- reg_mprj_datah = 0x0f0f0fc0;
- reg_mprj_datah = 0x00000000;
- reg_mprj_datah = 0x0f0f0fc5;
- reg_mprj_datah = 0x00000005;
-
- // Test ability to read back data generated by the user project
- // on the "monitored" outputs. Read from the lower 16 bits and
- // copy the value to the upper 16 bits.
-
- testval = reg_mprj_datal;
- reg_mprj_datal = (testval << 16);
- testval = reg_mprj_datal;
- reg_mprj_datal = (testval << 16);
-
- // Flag end of the test
- reg_mprj_datal = 0xAB510000;
-}
diff --git a/verilog/dv/mprj_stimulus/mprj_stimulus_tb.v b/verilog/dv/mprj_stimulus/mprj_stimulus_tb.v
deleted file mode 100644
index 68addd0..0000000
--- a/verilog/dv/mprj_stimulus/mprj_stimulus_tb.v
+++ /dev/null
@@ -1,148 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype wire
-
-`timescale 1 ns / 1 ps
-
-module mprj_stimulus_tb;
- // Signals declaration
- reg clock;
- reg RSTB;
- reg power1, power2;
- reg CSB;
- wire gpio;
- wire [37:0] mprj_io;
- wire [15:0] checkbits;
- wire [3:0] status;
-
- // Signals Assignment
- assign checkbits = mprj_io[31:16];
- assign status = mprj_io[35:32];
-
- assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz;
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- initial begin
- $dumpfile("mprj_stimulus.vcd");
- $dumpvars(0, mprj_stimulus_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (100) begin
- repeat (1000) @(posedge clock);
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Test Project IO Stimulus (GL) Failed");
- `else
- $display ("Monitor: Timeout, Test Project IO Stimulus (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- wait(checkbits == 16'hAB40);
- $display("Monitor: mprj_stimulus test started");
- wait(status == 4'ha);
- wait(status == 4'h5);
-
- // Values reflect copying user-controlled outputs to memory and back
- // to management-controlled outputs.
- wait(checkbits == 16'h1968 || checkbits == 16'h1969); // They're off because the difference between GL and RTL
- wait(checkbits == 16'h1DCD || checkbits == 16'h1DCE); // They're off because the difference between GL and RTL
-
- wait(checkbits == 16'hAB51);
- $display("Monitor: mprj_stimulus test Passed");
- #10000;
- $finish;
- end
-
- // Reset Operation
- initial begin
- CSB <= 1'b1;
- RSTB <= 1'b0;
- #2000;
- RSTB <= 1'b1; // Release reset
- #1000000;
- CSB <= 1'b0; // Stop driving CSB
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- #200;
- power1 <= 1'b1;
- #200;
- power2 <= 1'b1;
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD3V3 = power1;
- wire VDD1V8 = power2;
- wire VSS = 1'b0;
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
-
- spiflash #(
- .FILENAME("mprj_stimulus.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(), // not used
- .io3() // not used
- );
-
-endmodule
-`default_nettype wire
\ No newline at end of file
diff --git a/verilog/dv/peripheral/peripheral.c b/verilog/dv/peripheral/peripheral.c
deleted file mode 100644
index 01ef43e..0000000
--- a/verilog/dv/peripheral/peripheral.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-#include <stub.c>
-
-/*
- IO Test:
- - Configures MPRJ lower 8-IO pins as outputs
- - Observes counter value through the MPRJ lower 8 IO pins (in the testbench)
-*/
-
-// #define GPIO0_OE (*(volatile uint32_t*)0x33031000)
-// #define GPIO0_OUTPUT (*(volatile uint32_t*)0x33031004)
-// #define GPIO0_INPUT (*(volatile uint32_t*)0x33031008)
-
-#define GPIO0_OE_ADDR ((uint32_t*)0x33031000)
-#define GPIO0_OUTPUT_ADDR ((uint32_t*)0x33031004)
-#define GPIO0_INPUT_ADDR ((uint32_t*)0x33031008)
-
-#define GPIO0_OE (*GPIO0_OE_ADDR)
-#define GPIO0_OUTPUT (*GPIO0_OUTPUT_ADDR)
-#define GPIO0_INPUT (*GPIO0_INPUT_ADDR)
-
-//#define test (*(volatile uint32_t*)0x3F001000)
-#define test (*(volatile uint32_t*)0x30000000)
-
-#define MPRJ_WB_IENA_OUT (*(volatile uint32_t*)0xf0003800)
-
-#define MPRJ_WB_ADDRESS (*(volatile uint32_t*)0x30000000)
-#define MPRJ_WB_DATA_LOCATION 0x30008000
-
-void wbWrite (uint32_t* location, uint32_t value)
-{
- // Write the address
- uint32_t locationData = (uint32_t)location;
- MPRJ_WB_ADDRESS = locationData & 0xFFFF8000;
-
- // Write the data
- uint32_t writeAddress = (locationData & 0x00007FFF) | MPRJ_WB_DATA_LOCATION;
- *((volatile uint32_t*)writeAddress) = value;
-}
-
-uint32_t wbRead (uint32_t* location)
-{
- // Write the address
- uint32_t locationData = (uint32_t)location;
- MPRJ_WB_ADDRESS = locationData & 0xFFFF8000;
-
- // Write the data
- uint32_t writeAddress = (locationData & 0x00007FFF) | MPRJ_WB_DATA_LOCATION;
- return *((volatile uint32_t*)writeAddress);
-}
-
-void digitalWrite (int pin, int state)
-{
- if (state)
- {
- if (pin == 12)
- GPIO0_OUTPUT |= 0x01000;
- else if (pin == 13)
- GPIO0_OUTPUT |= 0x02000;
- else if (pin == 14)
- GPIO0_OUTPUT |= 0x04000;
- else if (pin == 15)
- GPIO0_OUTPUT |= 0x08000;
- }
- else
- {
- if (pin == 12)
- GPIO0_OUTPUT &= ~0x01000;
- else if (pin == 13)
- GPIO0_OUTPUT &= ~0x02000;
- else if (pin == 14)
- GPIO0_OUTPUT &= ~0x04000;
- else if (pin == 15)
- GPIO0_OUTPUT &= ~0x08000;
- }
-}
-
-void main ()
-{
- /*
- IO Control Registers
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 3-bits | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit |
-
- Output: 0000_0110_0000_1110 (0x1808) = GPIO_MODE_USER_STD_OUTPUT
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
-
-
- Input: 0000_0001_0000_1111 (0x0402) = GPIO_MODE_USER_STD_INPUT_NOPULL
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
-
- */
-
- /* Set up the housekeeping SPI to be connected internally so */
- /* that external pin changes don't affect it. */
-
- // reg_spi_enable = 1;
- // reg_spimaster_cs = 0x10001;
- // reg_spimaster_control = 0x0801;
-
- // reg_spimaster_control = 0xa002; // Enable, prescaler = 2,
- // connect to housekeeping SPI
-
- // Connect the housekeeping SPI to the SPI master
- // so that the CSB line is not left floating. This allows
- // all of the GPIO pins to be used for user functions.
-
- // https://github.com/efabless/caravel/blob/main/docs/other/gpio.txt
-
- reg_wb_enable = 1;
-
- // Enable GPIO
- reg_mprj_io_12 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_13 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_14 = GPIO_MODE_USER_STD_OUTPUT;
- reg_mprj_io_15 = GPIO_MODE_USER_STD_OUTPUT;
-
- // Enable blink
- // reg_mprj_io_32 = GPIO_MODE_USER_STD_OUTPUT;
-
- // // VGA
- // reg_mprj_io_30 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_31 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_32 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_33 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_34 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_35 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_36 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_37 = GPIO_MODE_USER_STD_OUTPUT;
-
- // // Debug
- // reg_mprj_io_0 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_1 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_2 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_3 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_4 = GPIO_MODE_USER_STD_OUTPUT;
- // reg_mprj_io_5 = GPIO_MODE_USER_STD_OUTPUT;
-
- /* Apply configuration */
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1) {}
-
- // reg_uart_enable = 1;
- // print ("hi\n");
-
- // MPRJ_WB_IENA_OUT = 1;
-
- // // Remove Wishbone Reset
- // // reg_mprj_wbhost_reg0 = 0x1;
-
- // // Remove All Reset
- // // reg_pinmux_gbl_cfg0 = 0x11F;
-
- // // uint32_t value = test;
- // test = 0x1;
-
- wbWrite (GPIO0_OE_ADDR, ~0x0F000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x01000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x03000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x07000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x0F000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x0E000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x0C000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x08000);
- wbWrite (GPIO0_OUTPUT_ADDR, 0x00000);
-
- // MPRJ_WB_ADDRESS = 0x33030000;
-
- // GPIO0_OE = ~0x0F000;
- // digitalWrite (12, 1);
- // digitalWrite (13, 1);
- // digitalWrite (14, 1);
- // digitalWrite (15, 1);
- // digitalWrite (12, 0);
- // digitalWrite (13, 0);
- // digitalWrite (14, 0);
- // digitalWrite (15, 0);
-
- // GPIO0_OUTPUT = 0x01000;
- // GPIO0_OUTPUT = 0x03000;
- // GPIO0_OUTPUT = 0x07000;
- // GPIO0_OUTPUT = 0x0F000;
- // GPIO0_OUTPUT = 0x0E000;
- // GPIO0_OUTPUT = 0x0C000;
- // GPIO0_OUTPUT = 0x08000;
- // GPIO0_OUTPUT = 0x00000;
-}
diff --git a/verilog/dv/peripheral/peripheral_tb.v b/verilog/dv/peripheral/peripheral_tb.v
deleted file mode 100644
index 0ee9e44..0000000
--- a/verilog/dv/peripheral/peripheral_tb.v
+++ /dev/null
@@ -1,172 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype none
-
-`timescale 1 ns / 1 ps
-
-module peripheral_tb;
- reg clock;
- reg RSTB;
- reg CSB;
- reg power1, power2;
- reg power3, power4;
-
- wire gpio;
- wire [37:0] mprj_io;
-
- wire blink = mprj_io[32];
- wire[3:0] gpioTestData = mprj_io[15:12];
-
- assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz;
- // assign mprj_io[3] = 1'b1;
-
- // External clock is used by default. Make this artificially fast for the
- // simulation. Normally this would be a slow clock and the digital PLL
- // would be the fast clock.
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- initial begin
- $dumpfile("peripheral.vcd");
- $dumpvars(0, peripheral_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (100) begin
- repeat (1000) @(posedge clock);
- //$display("+1000 cycles");
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Peripheral Test (GL) Failed");
- `else
- $display ("Monitor: Timeout, Peripheral Test (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- // Observe Output pins
- wait(gpioTestData == 4'b0000);
- wait(gpioTestData == 4'b0001);
- wait(gpioTestData == 4'b0011);
- wait(gpioTestData == 4'b0111);
- wait(gpioTestData == 4'b1111);
- wait(gpioTestData == 4'b1110);
- wait(gpioTestData == 4'b1100);
- wait(gpioTestData == 4'b1000);
- wait(gpioTestData == 4'b0000);
-
- `ifdef GL
- $display("Monitor: Test 1 GPIO (GL) Passed");
- `else
- $display("Monitor: Test 1 GPIO (RTL) Passed");
- `endif
- $finish;
- end
-
- initial begin
- RSTB <= 1'b0;
- CSB <= 1'b1; // Force CSB high
- #2000;
- RSTB <= 1'b1; // Release reset
- #300000;
- CSB = 1'b0; // CSB can be released
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- power3 <= 1'b0;
- power4 <= 1'b0;
- #100;
- power1 <= 1'b1;
- #100;
- power2 <= 1'b1;
- #100;
- power3 <= 1'b1;
- #100;
- power4 <= 1'b1;
- end
-
- always @(mprj_io) begin
- //#1 $display("MPRJ-IO state = %b ", mprj_io);
- #1 $display("GPIO Test = %b ", gpioTestData);
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD3V3;
- wire VDD1V8;
- wire VSS;
-
- assign VDD3V3 = power1;
- assign VDD1V8 = power2;
- assign VSS = 1'b0;
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
- spiflash #(
- .FILENAME("peripheral.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(), // not used
- .io3() // not used
- );
-
- tbuart tbuart (
- .ser_rx(mprj_io[6])
- );
-
-endmodule
-`default_nettype wire
diff --git a/verilog/dv/peripheral/Makefile b/verilog/dv/peripheralsGPIO/Makefile
similarity index 100%
rename from verilog/dv/peripheral/Makefile
rename to verilog/dv/peripheralsGPIO/Makefile
diff --git a/verilog/dv/peripheralsGPIO/peripheralsGPIO.c b/verilog/dv/peripheralsGPIO/peripheralsGPIO.c
new file mode 100644
index 0000000..1325ed6
--- /dev/null
+++ b/verilog/dv/peripheralsGPIO/peripheralsGPIO.c
@@ -0,0 +1,154 @@
+/*
+ * SPDX-FileCopyrightText: 2020 Efabless Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// This include is relative to $CARAVEL_PATH (see Makefile)
+#include <defs.h>
+#include <stub.c>
+
+/*
+ IO Test:
+ - Configures MPRJ lower 8-IO pins as outputs
+ - Observes counter value through the MPRJ lower 8 IO pins (in the testbench)
+*/
+
+#define GPIO0_OE_ADDR ((uint32_t*)0x33031000)
+#define GPIO0_OUTPUT_ADDR ((uint32_t*)0x33031004)
+#define GPIO0_INPUT_ADDR ((uint32_t*)0x33031008)
+#define GPIO1_OE_ADDR ((uint32_t*)0x33032000)
+#define GPIO1_OUTPUT_ADDR ((uint32_t*)0x33032004)
+#define GPIO1_INPUT_ADDR ((uint32_t*)0x33032008)
+
+#define GPIO0_OE (*GPIO0_OE_ADDR)
+#define GPIO0_OUTPUT (*GPIO0_OUTPUT_ADDR)
+#define GPIO0_INPUT (*GPIO0_INPUT_ADDR)
+#define GPIO1_OE (*GPIO1_OE_ADDR)
+#define GPIO1_OUTPUT (*GPIO1_OUTPUT_ADDR)
+#define GPIO1_INPUT (*GPIO1_INPUT_ADDR)
+
+#define MPRJ_WB_ADDRESS (*(volatile uint32_t*)0x30000000)
+#define MPRJ_WB_DATA_LOCATION 0x30008000
+
+void wbWrite (uint32_t* location, uint32_t value)
+{
+ // Write the address
+ uint32_t locationData = (uint32_t)location;
+ MPRJ_WB_ADDRESS = locationData & 0xFFFF8000;
+
+ // Write the data
+ uint32_t writeAddress = (locationData & 0x00007FFF) | MPRJ_WB_DATA_LOCATION;
+ *((volatile uint32_t*)writeAddress) = value;
+}
+
+uint32_t wbRead (uint32_t* location)
+{
+ // Write the address
+ uint32_t locationData = (uint32_t)location;
+ MPRJ_WB_ADDRESS = locationData & 0xFFFF8000;
+
+ // Write the data
+ uint32_t writeAddress = (locationData & 0x00007FFF) | MPRJ_WB_DATA_LOCATION;
+ return *((volatile uint32_t*)writeAddress);
+}
+
+void nextTest (bool testPassing)
+{
+ uint32_t testPassingOutput = testPassing ? 0x1 << 12 : 0;
+ wbWrite (GPIO0_OUTPUT_ADDR, testPassingOutput | (0x1 << 13));
+ wbWrite (GPIO0_OUTPUT_ADDR, testPassingOutput);
+}
+
+void main ()
+{
+ /*
+ IO Control Registers
+ | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
+ | 3-bits | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit |
+
+ Output: 0000_0110_0000_1110 (0x1808) = GPIO_MODE_USER_STD_OUTPUT
+ | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
+ | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
+
+
+ Input: 0000_0001_0000_1111 (0x0402) = GPIO_MODE_USER_STD_INPUT_NOPULL
+ | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
+ | 001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
+
+ */
+
+ /* Set up the housekeeping SPI to be connected internally so */
+ /* that external pin changes don't affect it. */
+
+ // Connect the housekeeping SPI to the SPI master
+ // so that the CSB line is not left floating. This allows
+ // all of the GPIO pins to be used for user functions.
+
+ // https://github.com/efabless/caravel/blob/main/docs/other/gpio.txt
+
+ // Enable the wishbone bus
+ reg_wb_enable = 1;
+
+ // Enable GPIO
+ reg_mprj_io_12 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_13 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_14 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_15 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_16 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_17 = GPIO_MODE_USER_STD_OUTPUT;
+ reg_mprj_io_18 = GPIO_MODE_USER_STD_INPUT_NOPULL;
+ reg_mprj_io_19 = GPIO_MODE_USER_STD_INPUT_NOPULL;
+
+ /* Apply configuration */
+ reg_mprj_xfer = 1;
+ while (reg_mprj_xfer == 1) {}
+
+ wbWrite (GPIO0_OE_ADDR, ~0x3F000);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0x1 << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0x3 << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0x7 << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0xF << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0xE << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0xC << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0x8 << 14);
+ wbWrite (GPIO0_OUTPUT_ADDR, 0);
+
+ bool inputTestPass = true;
+
+ wbWrite (GPIO1_OE_ADDR, ~0x00000);
+
+ nextTest (inputTestPass);
+ uint32_t ioData = wbRead (GPIO1_INPUT_ADDR);
+ wbWrite (GPIO0_OUTPUT_ADDR, (inputTestPass ? 0x1 << 12 : 0) | (ioData << 15));
+ if (ioData != 0x2) inputTestPass = false; // input = 2'b10
+
+ nextTest (inputTestPass);
+ ioData = wbRead (GPIO1_INPUT_ADDR);
+ wbWrite (GPIO0_OUTPUT_ADDR, (inputTestPass ? 0x1 << 12 : 0) | (ioData << 15));
+ if (ioData != 0x1) inputTestPass = false; // input = 2'b01
+
+ nextTest (inputTestPass);
+ ioData = wbRead (GPIO1_INPUT_ADDR);
+ wbWrite (GPIO0_OUTPUT_ADDR, (inputTestPass ? 0x1 << 12 : 0) | (ioData << 15));
+ if (ioData != 0x3) inputTestPass = false; // input = 2'b11
+
+ nextTest (inputTestPass);
+ ioData = wbRead (GPIO1_INPUT_ADDR);
+ wbWrite (GPIO0_OUTPUT_ADDR, (inputTestPass ? 0x1 << 12 : 0) | (ioData << 15));
+ if (ioData != 0) inputTestPass = false; // input = 2'b00
+
+ // Finish test
+ nextTest (inputTestPass);
+}
diff --git a/verilog/dv/peripheralsGPIO/peripheralsGPIO_tb.v b/verilog/dv/peripheralsGPIO/peripheralsGPIO_tb.v
new file mode 100644
index 0000000..8734f36
--- /dev/null
+++ b/verilog/dv/peripheralsGPIO/peripheralsGPIO_tb.v
@@ -0,0 +1,205 @@
+// SPDX-FileCopyrightText: 2020 Efabless Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
+
+`default_nettype none
+
+`timescale 1 ns / 1 ps
+
+module peripheralsGPIO_tb;
+ reg clock;
+ reg RSTB;
+ reg CSB;
+ reg power1, power2;
+ reg power3, power4;
+
+ wire gpio;
+ wire [37:0] mprj_io;
+
+ reg[1:0] inputTestData;
+ wire succesOutput = mprj_io[12];
+ wire nextTestOutput = mprj_io[13];
+ wire[3:0] outputTestData = mprj_io[17:14];
+
+ assign mprj_io[3] = (CSB == 1'b1) ? 1'b1 : 1'bz;
+ assign mprj_io[20:19] = inputTestData;
+
+ // External clock is used by default. Make this artificially fast for the
+ // simulation. Normally this would be a slow clock and the digital PLL
+ // would be the fast clock.
+ always #12.5 clock <= (clock === 1'b0);
+
+ initial begin
+ clock = 0;
+ inputTestData = 4'b0;
+ end
+
+ // Generate input signal
+ initial begin
+ @(posedge nextTestOutput);
+ inputTestData = 2'b10;
+
+ @(posedge nextTestOutput);
+ inputTestData = 2'b01;
+
+ @(posedge nextTestOutput);
+ inputTestData = 2'b11;
+
+ @(posedge nextTestOutput);
+ inputTestData = 2'b00;
+ end
+
+ initial begin
+ $dumpfile("peripheralsGPIO.vcd");
+ $dumpvars(0, peripheralsGPIO_tb);
+
+ // Repeat cycles of 1000 clock edges as needed to complete testbench
+ repeat (250) begin
+ repeat (1000) @(posedge clock);
+ //$display("+1000 cycles");
+ end
+ $display("%c[1;35m",27);
+ `ifdef GL
+ $display ("Monitor: Timeout, Peripherals GPIO Test (GL) Failed");
+ `else
+ $display ("Monitor: Timeout, Peripherals GPIO Test (RTL) Failed");
+ `endif
+ $display("%c[0m",27);
+ $finish;
+ end
+
+ initial begin
+ // Observe Output pins
+ wait(outputTestData == 4'b0000);
+ wait(outputTestData == 4'b0001);
+ wait(outputTestData == 4'b0011);
+ wait(outputTestData == 4'b0111);
+ wait(outputTestData == 4'b1111);
+ wait(outputTestData == 4'b1110);
+ wait(outputTestData == 4'b1100);
+ wait(outputTestData == 4'b1000);
+ wait(outputTestData == 4'b0000);
+
+ // Wait for tests
+ @(posedge nextTestOutput);
+ @(posedge nextTestOutput);
+ @(posedge nextTestOutput);
+ @(posedge nextTestOutput);
+
+ // Wait for management core to output a output test result
+ @(posedge nextTestOutput);
+
+ if (succesOutput) begin
+ $display("%c[1;92m",27);
+ `ifdef GL
+ $display("Monitor: Peripherals GPIO Test (GL) Passed");
+ `else
+ $display("Monitor: Peripherals GPIO Test (RTL) Passed");
+ `endif
+ $display("%c[0m",27);
+ end else begin
+ $display("%c[1;31m",27);
+ `ifdef GL
+ $display ("Monitor: Peripherals GPIO Test (GL) Failed");
+ `else
+ $display ("Monitor: Peripherals GPIO Test (RTL) Failed");
+ `endif
+ $display("%c[0m",27);
+ end
+ $finish;
+ end
+
+ initial begin
+ RSTB <= 1'b0;
+ CSB <= 1'b1; // Force CSB high
+ #2000;
+ RSTB <= 1'b1; // Release reset
+ #300000;
+ CSB = 1'b0; // CSB can be released
+ end
+
+ initial begin // Power-up sequence
+ power1 <= 1'b0;
+ power2 <= 1'b0;
+ power3 <= 1'b0;
+ power4 <= 1'b0;
+ #100;
+ power1 <= 1'b1;
+ #100;
+ power2 <= 1'b1;
+ #100;
+ power3 <= 1'b1;
+ #100;
+ power4 <= 1'b1;
+ end
+
+ always @(mprj_io) begin
+ #1 $display("Success:0b%b Next test:0b%b Output:0b%b Input:0b%b", succesOutput, nextTestOutput, outputTestData, inputTestData);
+ end
+
+ wire flash_csb;
+ wire flash_clk;
+ wire flash_io0;
+ wire flash_io1;
+
+ wire VDD3V3;
+ wire VDD1V8;
+ wire VSS;
+
+ assign VDD3V3 = power1;
+ assign VDD1V8 = power2;
+ assign VSS = 1'b0;
+
+ caravel uut (
+ .vddio (VDD3V3),
+ .vddio_2 (VDD3V3),
+ .vssio (VSS),
+ .vssio_2 (VSS),
+ .vdda (VDD3V3),
+ .vssa (VSS),
+ .vccd (VDD1V8),
+ .vssd (VSS),
+ .vdda1 (VDD3V3),
+ .vdda1_2 (VDD3V3),
+ .vdda2 (VDD3V3),
+ .vssa1 (VSS),
+ .vssa1_2 (VSS),
+ .vssa2 (VSS),
+ .vccd1 (VDD1V8),
+ .vccd2 (VDD1V8),
+ .vssd1 (VSS),
+ .vssd2 (VSS),
+ .clock (clock),
+ .gpio (gpio),
+ .mprj_io (mprj_io),
+ .flash_csb(flash_csb),
+ .flash_clk(flash_clk),
+ .flash_io0(flash_io0),
+ .flash_io1(flash_io1),
+ .resetb (RSTB)
+ );
+
+ spiflash #(
+ .FILENAME("peripheralsGPIO.hex")
+ ) spiflash (
+ .csb(flash_csb),
+ .clk(flash_clk),
+ .io0(flash_io0),
+ .io1(flash_io1),
+ .io2(), // not used
+ .io3() // not used
+ );
+
+endmodule
+`default_nettype wire
diff --git a/verilog/dv/wb_port/Makefile b/verilog/dv/wb_port/Makefile
deleted file mode 100644
index 3fd0b56..0000000
--- a/verilog/dv/wb_port/Makefile
+++ /dev/null
@@ -1,32 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Efabless Corporation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-
-
-PWDD := $(shell pwd)
-BLOCKS := $(shell basename $(PWDD))
-
-# ---- Include Partitioned Makefiles ----
-
-CONFIG = caravel_user_project
-
-
-include $(MCW_ROOT)/verilog/dv/make/env.makefile
-include $(MCW_ROOT)/verilog/dv/make/var.makefile
-include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
-include $(MCW_ROOT)/verilog/dv/make/sim.makefile
-
-
diff --git a/verilog/dv/wb_port/wb_port.c b/verilog/dv/wb_port/wb_port.c
deleted file mode 100644
index 4f59055..0000000
--- a/verilog/dv/wb_port/wb_port.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020 Efabless Corporation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-// This include is relative to $CARAVEL_PATH (see Makefile)
-#include <defs.h>
-#include <stub.c>
-
-/*
- Wishbone Test:
- - Configures MPRJ lower 8-IO pins as outputs
- - Checks counter value through the wishbone port
-*/
-
-void main()
-{
-
- /*
- IO Control Registers
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 3-bits | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit | 1-bit |
- Output: 0000_0110_0000_1110 (0x1808) = GPIO_MODE_USER_STD_OUTPUT
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
-
-
- Input: 0000_0001_0000_1111 (0x0402) = GPIO_MODE_USER_STD_INPUT_NOPULL
- | DM | VTRIP | SLOW | AN_POL | AN_SEL | AN_EN | MOD_SEL | INP_DIS | HOLDH | OEB_N | MGMT_EN |
- | 001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
- */
-
- /* Set up the housekeeping SPI to be connected internally so */
- /* that external pin changes don't affect it. */
-
- reg_spi_enable = 1;
- reg_wb_enable = 1;
- // reg_spimaster_config = 0xa002; // Enable, prescaler = 2,
- // connect to housekeeping SPI
-
- // Connect the housekeeping SPI to the SPI master
- // so that the CSB line is not left floating. This allows
- // all of the GPIO pins to be used for user functions.
-
- reg_mprj_io_31 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_30 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_29 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_28 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_27 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_26 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_25 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_24 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_23 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_22 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_21 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_20 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_19 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_18 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_17 = GPIO_MODE_MGMT_STD_OUTPUT;
- reg_mprj_io_16 = GPIO_MODE_MGMT_STD_OUTPUT;
-
- /* Apply configuration */
- reg_mprj_xfer = 1;
- while (reg_mprj_xfer == 1);
-
- reg_la2_oenb = reg_la2_iena = 0x00000000; // [95:64]
-
- // Flag start of the test
- reg_mprj_datal = 0xAB600000;
-
- reg_mprj_slave = 0x00002710;
- if (reg_mprj_slave == 0x2B3D) {
- reg_mprj_datal = 0xAB610000;
- }
-}
diff --git a/verilog/dv/wb_port/wb_port_tb.v b/verilog/dv/wb_port/wb_port_tb.v
deleted file mode 100644
index d5c2983..0000000
--- a/verilog/dv/wb_port/wb_port_tb.v
+++ /dev/null
@@ -1,147 +0,0 @@
-// SPDX-FileCopyrightText: 2020 Efabless Corporation
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// SPDX-License-Identifier: Apache-2.0
-
-`default_nettype none
-
-`timescale 1 ns / 1 ps
-
-module wb_port_tb;
- reg clock;
- reg RSTB;
- reg CSB;
- reg power1, power2;
- reg power3, power4;
-
- wire gpio;
- wire [37:0] mprj_io;
- wire [7:0] mprj_io_0;
- wire [15:0] checkbits;
-
- assign checkbits = mprj_io[31:16];
-
- assign mprj_io[3] = 1'b1;
-
- // External clock is used by default. Make this artificially fast for the
- // simulation. Normally this would be a slow clock and the digital PLL
- // would be the fast clock.
-
- always #12.5 clock <= (clock === 1'b0);
-
- initial begin
- clock = 0;
- end
-
- initial begin
- $dumpfile("wb_port.vcd");
- $dumpvars(0, wb_port_tb);
-
- // Repeat cycles of 1000 clock edges as needed to complete testbench
- repeat (70) begin
- repeat (1000) @(posedge clock);
- // $display("+1000 cycles");
- end
- $display("%c[1;31m",27);
- `ifdef GL
- $display ("Monitor: Timeout, Test Mega-Project WB Port (GL) Failed");
- `else
- $display ("Monitor: Timeout, Test Mega-Project WB Port (RTL) Failed");
- `endif
- $display("%c[0m",27);
- $finish;
- end
-
- initial begin
- wait(checkbits == 16'hAB60);
- $display("Monitor: MPRJ-Logic WB Started");
- wait(checkbits == 16'hAB61);
- `ifdef GL
- $display("Monitor: Mega-Project WB (GL) Passed");
- `else
- $display("Monitor: Mega-Project WB (RTL) Passed");
- `endif
- $finish;
- end
-
- initial begin
- RSTB <= 1'b0;
- CSB <= 1'b1; // Force CSB high
- #2000;
- RSTB <= 1'b1; // Release reset
- #100000;
- CSB = 1'b0; // CSB can be released
- end
-
- initial begin // Power-up sequence
- power1 <= 1'b0;
- power2 <= 1'b0;
- #200;
- power1 <= 1'b1;
- #200;
- power2 <= 1'b1;
- end
-
- wire flash_csb;
- wire flash_clk;
- wire flash_io0;
- wire flash_io1;
-
- wire VDD3V3 = power1;
- wire VDD1V8 = power2;
- wire USER_VDD3V3 = power3;
- wire USER_VDD1V8 = power4;
- wire VSS = 1'b0;
-
- caravel uut (
- .vddio (VDD3V3),
- .vddio_2 (VDD3V3),
- .vssio (VSS),
- .vssio_2 (VSS),
- .vdda (VDD3V3),
- .vssa (VSS),
- .vccd (VDD1V8),
- .vssd (VSS),
- .vdda1 (VDD3V3),
- .vdda1_2 (VDD3V3),
- .vdda2 (VDD3V3),
- .vssa1 (VSS),
- .vssa1_2 (VSS),
- .vssa2 (VSS),
- .vccd1 (VDD1V8),
- .vccd2 (VDD1V8),
- .vssd1 (VSS),
- .vssd2 (VSS),
- .clock (clock),
- .gpio (gpio),
- .mprj_io (mprj_io),
- .flash_csb(flash_csb),
- .flash_clk(flash_clk),
- .flash_io0(flash_io0),
- .flash_io1(flash_io1),
- .resetb (RSTB)
- );
-
- spiflash #(
- .FILENAME("wb_port.hex")
- ) spiflash (
- .csb(flash_csb),
- .clk(flash_clk),
- .io0(flash_io0),
- .io1(flash_io1),
- .io2(), // not used
- .io3() // not used
- );
-
-endmodule
-`default_nettype wire
\ No newline at end of file