Adding test case
diff --git a/verilog/dv/Makefile b/verilog/dv/Makefile index d87238f..42dec11 100644 --- a/verilog/dv/Makefile +++ b/verilog/dv/Makefile
@@ -19,7 +19,7 @@ .SUFFIXES: .SILENT: clean all -PATTERNS = io_ports la_test1 la_test2 wb_port mprj_stimulus +PATTERNS = la_test all: ${PATTERNS} for i in ${PATTERNS}; do \
diff --git a/verilog/dv/io_ports/Makefile b/verilog/dv/io_ports/Makefile deleted file mode 100644 index 5237a05..0000000 --- a/verilog/dv/io_ports/Makefile +++ /dev/null
@@ -1,96 +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 - -## PDK -PDK_PATH = $(PDK_ROOT)/sky130A - -## Caravel Pointers -CARAVEL_ROOT ?= ../../../caravel -CARAVEL_PATH ?= $(CARAVEL_ROOT) -CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel -CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog -CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl -CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel - -## User Project Pointers -UPRJ_VERILOG_PATH ?= ../../../verilog -UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl -UPRJ_BEHAVIOURAL_MODELS = ../ - -## RISCV GCC -GCC_PATH?=/ef/apps/bin -GCC_PREFIX?=riscv32-unknown-elf - -## Simulation mode: RTL/GL -SIM_DEFINES = -DFUNCTIONAL -DSIM -SIM?=RTL - -.SUFFIXES: - -PATTERN = io_ports - -all: ${PATTERN:=.vcd} - -hex: ${PATTERN:=.hex} - -%.vvp: %_tb.v %.hex -ifeq ($(SIM),RTL) - iverilog $(SIM_DEFINES) -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \ - $< -o $@ -else - iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ - $< -o $@ -endif - -%.vcd: %.vvp - vvp $< - -%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s check-env - ${GCC_PATH}/${GCC_PREFIX}-gcc -I $(CARAVEL_PATH) -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(CARAVEL_FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(CARAVEL_FIRMWARE_PATH)/start.s $< - -%.hex: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ - # to fix flash base address - sed -i 's/@10000000/@00000000/g' $@ - -%.bin: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@ - -check-env: -ifndef PDK_ROOT - $(error PDK_ROOT is undefined, please export it before running make) -endif -ifeq (,$(wildcard $(PDK_ROOT)/sky130A)) - $(error $(PDK_ROOT)/sky130A not found, please install pdk before running make) -endif -ifeq (,$(wildcard $(GCC_PATH)/$(GCC_PREFIX)-gcc )) - $(error $(GCC_PATH)/$(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make) -endif -# check for efabless style installation -ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog)) -SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE -endif - -# ---- Clean ---- - -clean: - rm -f *.elf *.hex *.bin *.vvp *.vcd *.log - -.PHONY: clean hex all
diff --git a/verilog/dv/io_ports/io_ports.c b/verilog/dv/io_ports/io_ports.c deleted file mode 100644 index 0b23571..0000000 --- a/verilog/dv/io_ports/io_ports.c +++ /dev/null
@@ -1,72 +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 "verilog/dv/caravel/defs.h" -#include "verilog/dv/caravel/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_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. - - // 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 f7628bc..0000000 --- a/verilog/dv/io_ports/io_ports_tb.v +++ /dev/null
@@ -1,169 +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 - -`include "uprj_netlists.v" -`include "caravel_netlists.v" -`include "spiflash.v" - -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 - #170000; - 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 = power1; - wire VDD1V8 = power2; - wire USER_VDD3V3 = power3; - wire USER_VDD1V8 = power4; - wire VSS = 1'b0; - - caravel uut ( - .vddio (VDD3V3), - .vssio (VSS), - .vdda (VDD3V3), - .vssa (VSS), - .vccd (VDD1V8), - .vssd (VSS), - .vdda1 (USER_VDD3V3), - .vdda2 (USER_VDD3V3), - .vssa1 (VSS), - .vssa2 (VSS), - .vccd1 (USER_VDD1V8), - .vccd2 (USER_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/mprj_stimulus/Makefile b/verilog/dv/la_test/Makefile similarity index 92% rename from verilog/dv/mprj_stimulus/Makefile rename to verilog/dv/la_test/Makefile index 3a73b99..2f7b008 100644 --- a/verilog/dv/mprj_stimulus/Makefile +++ b/verilog/dv/la_test/Makefile
@@ -28,6 +28,7 @@ ## User Project Pointers UPRJ_VERILOG_PATH ?= ../../../verilog UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl +UPRJ_INCLUDE_PATH = $(UPRJ_RTL_PATH)/include UPRJ_BEHAVIOURAL_MODELS = ../ ## RISCV GCC @@ -40,7 +41,7 @@ .SUFFIXES: -PATTERN = mprj_stimulus +PATTERN = la_test all: ${PATTERN:=.vcd} @@ -50,12 +51,12 @@ ifeq ($(SIM),RTL) iverilog $(SIM_DEFINES) -I $(PDK_PATH) \ -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \ + -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) -I $(UPRJ_INCLUDE_PATH) \ $< -o $@ else iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \ -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ + -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ $< -o $@ endif
diff --git a/verilog/dv/la_test/la_test.c b/verilog/dv/la_test/la_test.c new file mode 100644 index 0000000..428ac9e --- /dev/null +++ b/verilog/dv/la_test/la_test.c
@@ -0,0 +1,137 @@ +/* + * 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 "verilog/dv/caravel/defs.h" +#include "verilog/dv/caravel/stub.c" + +/* + MPRJ LA Test: + - Sets MPRJ initial data through LA[31:0] + - Sets MPRJ rst through LA[32] + - Sets MPRJ wen through LA[36] + - Sets MPRJ csb through LA[40] + - Sets MPRJ initial address through LA[51:44] + - Observes 10-bit result of the initial program (e.g. sum of 0 to 9) which will be written on r17 through LA[73:64] +*/ + +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, + // 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 + reg_la0_oenb = reg_la0_iena = 0x00000000; // [31:0] => Output from the CPU + reg_la1_oenb = reg_la1_iena = 0x00000000; // [63:32] => Output from the CPU + reg_la2_oenb = reg_la2_iena = 0xFFFFFFFF; // [95:64] => Input to the CPU + reg_la3_oenb = reg_la3_iena = 0xFFFFFFFF; // [127:96] => Input to the CPU + + // Flag start of the test + reg_mprj_datal = 0xAB600000; + + // [31: 0] => DAT_IN + reg_la0_data = 0x00000000; + + // [ 3: 0] => RST // Active High + // [ 7: 4] => WEN // Active High + // [11: 8] => CSB // Active Low + // [19:12] => ADR + reg_la1_data = 0x00000000; + + // Delay + for (int i = 0; i < 5; i++); + + // IMem initiation + for (int i = 0; i < 13; i++) { + reg_la1_data = 0x00000011 | i << 12; + reg_la0_data = + i == 0x0 ? 0b00000000000100000000010010010011 : + i == 0x1 ? 0b00000010101100000000010100010011 : + i == 0x2 ? 0b00000000000000000000010110010011 : + i == 0x3 ? 0b00000000000000000000100010010011 : + i == 0x4 ? 0b00000000101110001000100010110011 : + i == 0x5 ? 0b00000000000101011000010110010011 : + i == 0x6 ? 0b11111110101001011001110011100011 : + i == 0x7 ? 0b00000000101110001000100010110011 : + i == 0x8 ? 0b01000000101110001000100010110011 : + i == 0x9 ? 0b01000000100101011000010110110011 : + i == 0xA ? 0b11111110100101011001110011100011 : + i == 0xB ? 0b01000000101110001000100010110011 : + i == 0xC ? 0b11111110000000000000000011100011 : + 0b00000000000000000000000000000000 ; + } + + // Write enable signal de-assert and keep reset asserted + reg_la1_data = 0x00000001; + // Wait for a few clocks to propagate signals + for (int i = 0; i < 2; i++); + // Reset signal de-assert and RVMYTH starts + reg_la1_data = 0x00000000; + // Wait for the expected result + while ((reg_la2_data & 0x000003FF) != 0x2D); + // Test has been done successfully + reg_mprj_datal = 0xAB610000; +} +
diff --git a/verilog/dv/la_test2/la_test2_tb.v b/verilog/dv/la_test/la_test_tb.v similarity index 88% rename from verilog/dv/la_test2/la_test2_tb.v rename to verilog/dv/la_test/la_test_tb.v index e09905e..2fd892d 100644 --- a/verilog/dv/la_test2/la_test2_tb.v +++ b/verilog/dv/la_test/la_test_tb.v
@@ -21,15 +21,15 @@ `include "caravel_netlists.v" `include "spiflash.v" -module la_test2_tb; +module la_test_tb; reg clock; reg RSTB; reg CSB; reg power1, power2; - wire gpio; - wire [37:0] mprj_io; + wire gpio; + wire [37:0] mprj_io; wire [15:0] checkbits; assign checkbits = mprj_io[31:16]; @@ -42,11 +42,12 @@ end initial begin - $dumpfile("la_test2.vcd"); - $dumpvars(0, la_test2_tb); + $dumpfile("la_test.vcd"); + $dumpvars(0, la_test_tb); // Repeat cycles of 1000 clock edges as needed to complete testbench - repeat (30) begin + // Clock preiod is 25ns => 60 * 1000 * 25 = 1,500,000ns (whole simulation time) + repeat (60) begin repeat (1000) @(posedge clock); // $display("+1000 cycles"); end @@ -70,9 +71,9 @@ initial begin RSTB <= 1'b0; - CSB <= 1'b1; // Force CSB high + CSB <= 1'b1; // Force CSB high #2000; - RSTB <= 1'b1; // Release reset + RSTB <= 1'b1; // Release reset #170000; CSB = 1'b0; // CSB can be released end @@ -116,7 +117,7 @@ .vssd2 (VSS), .clock (clock), .gpio (gpio), - .mprj_io (mprj_io), + .mprj_io (mprj_io), .flash_csb(flash_csb), .flash_clk(flash_clk), .flash_io0(flash_io0), @@ -125,7 +126,7 @@ ); spiflash #( - .FILENAME("la_test2.hex") + .FILENAME("la_test.hex") ) spiflash ( .csb(flash_csb), .clk(flash_clk),
diff --git a/verilog/dv/la_test1/Makefile b/verilog/dv/la_test1/Makefile deleted file mode 100644 index ba979f7..0000000 --- a/verilog/dv/la_test1/Makefile +++ /dev/null
@@ -1,96 +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 - -## PDK -PDK_PATH = $(PDK_ROOT)/sky130A - -## Caravel Pointers -CARAVEL_ROOT ?= ../../../caravel -CARAVEL_PATH ?= $(CARAVEL_ROOT) -CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel -CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog -CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl -CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel - -## User Project Pointers -UPRJ_VERILOG_PATH ?= ../../../verilog -UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl -UPRJ_BEHAVIOURAL_MODELS = ../ - -## RISCV GCC -GCC_PATH?=/ef/apps/bin -GCC_PREFIX?=riscv32-unknown-elf - -## Simulation mode: RTL/GL -SIM_DEFINES = -DFUNCTIONAL -DSIM -SIM?=RTL - -.SUFFIXES: - -PATTERN = la_test1 - -all: ${PATTERN:=.vcd} - -hex: ${PATTERN:=.hex} - -%.vvp: %_tb.v %.hex -ifeq ($(SIM),RTL) - iverilog $(SIM_DEFINES) -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \ - $< -o $@ -else - iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ - $< -o $@ -endif - -%.vcd: %.vvp - vvp $< - -%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s check-env - ${GCC_PATH}/${GCC_PREFIX}-gcc -I $(CARAVEL_PATH) -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(CARAVEL_FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(CARAVEL_FIRMWARE_PATH)/start.s $< - -%.hex: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ - # to fix flash base address - sed -i 's/@10000000/@00000000/g' $@ - -%.bin: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@ - -check-env: -ifndef PDK_ROOT - $(error PDK_ROOT is undefined, please export it before running make) -endif -ifeq (,$(wildcard $(PDK_ROOT)/sky130A)) - $(error $(PDK_ROOT)/sky130A not found, please install pdk before running make) -endif -ifeq (,$(wildcard $(GCC_PATH)/$(GCC_PREFIX)-gcc )) - $(error $(GCC_PATH)/$(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make) -endif -# check for efabless style installation -ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog)) -SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE -endif - -# ---- Clean ---- - -clean: - rm -f *.elf *.hex *.bin *.vvp *.vcd *.log - -.PHONY: clean hex all
diff --git a/verilog/dv/la_test1/la_test1.c b/verilog/dv/la_test1/la_test1.c deleted file mode 100644 index 220bdfe..0000000 --- a/verilog/dv/la_test1/la_test1.c +++ /dev/null
@@ -1,124 +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 "verilog/dv/caravel/defs.h" -#include "verilog/dv/caravel/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() -{ - - /* 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, - // 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; - - /* Apply 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 = 0xFFFFFFFF; // [31:0] - reg_la1_oenb = reg_la1_iena = 0x00000000; // [63:32] - reg_la2_oenb = reg_la2_iena = 0xFFFFFFFF; // [95:64] - reg_la3_oenb = reg_la3_iena = 0xFFFFFFFF; // [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 = 0xFFFFFFFF; - - while (1) { - if (reg_la0_data > 0x1F4) { - reg_mprj_datal = 0xAB410000; - break; - } - } - print("\n"); - print("Monitor: Test 2 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 626e390..0000000 --- a/verilog/dv/la_test1/la_test1_tb.v +++ /dev/null
@@ -1,149 +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 - -`include "uprj_netlists.v" -`include "caravel_netlists.v" -`include "spiflash.v" -`include "tbuart.v" - -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] = (CSB == 1'b1) ? 1'b1 : 1'bz; - - initial begin - // $dumpfile("la_test1.vcd"); - // $dumpvars(0, la_test1_tb); - - // Repeat cycles of 1000 clock edges as needed to complete testbench - repeat (200) 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); - #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; - - caravel uut ( - .vddio (VDD3V3), - .vssio (VSS), - .vdda (VDD3V3), - .vssa (VSS), - .vccd (VDD1V8), - .vssd (VSS), - .vdda1 (VDD3V3), - .vdda2 (VDD3V3), - .vssa1 (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 0435500..0000000 --- a/verilog/dv/la_test2/Makefile +++ /dev/null
@@ -1,96 +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 - -## PDK -PDK_PATH = $(PDK_ROOT)/sky130A - -## Caravel Pointers -CARAVEL_ROOT ?= ../../../caravel -CARAVEL_PATH ?= $(CARAVEL_ROOT) -CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel -CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog -CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl -CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel - -## User Project Pointers -UPRJ_VERILOG_PATH ?= ../../../verilog -UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl -UPRJ_BEHAVIOURAL_MODELS = ../ - -## RISCV GCC -GCC_PATH?=/ef/apps/bin -GCC_PREFIX?=riscv32-unknown-elf - -## Simulation mode: RTL/GL -SIM_DEFINES = -DFUNCTIONAL -DSIM -SIM?=RTL - -.SUFFIXES: - -PATTERN = la_test2 - -all: ${PATTERN:=.vcd} - -hex: ${PATTERN:=.hex} - -%.vvp: %_tb.v %.hex -ifeq ($(SIM),RTL) - iverilog $(SIM_DEFINES) -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \ - $< -o $@ -else - iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ - $< -o $@ -endif - -%.vcd: %.vvp - vvp $< - -%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s check-env - ${GCC_PATH}/${GCC_PREFIX}-gcc -I $(CARAVEL_PATH) -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(CARAVEL_FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(CARAVEL_FIRMWARE_PATH)/start.s $< - -%.hex: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ - # to fix flash base address - sed -i 's/@10000000/@00000000/g' $@ - -%.bin: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@ - -check-env: -ifndef PDK_ROOT - $(error PDK_ROOT is undefined, please export it before running make) -endif -ifeq (,$(wildcard $(PDK_ROOT)/sky130A)) - $(error $(PDK_ROOT)/sky130A not found, please install pdk before running make) -endif -ifeq (,$(wildcard $(GCC_PATH)/$(GCC_PREFIX)-gcc )) - $(error $(GCC_PATH)/$(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make) -endif -# check for efabless style installation -ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog)) -SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE -endif - -# ---- Clean ---- - -clean: - rm -f *.elf *.hex *.bin *.vvp *.vcd *.log - -.PHONY: clean hex all
diff --git a/verilog/dv/la_test2/la_test2.c b/verilog/dv/la_test2/la_test2.c deleted file mode 100644 index 5875432..0000000 --- a/verilog/dv/la_test2/la_test2.c +++ /dev/null
@@ -1,114 +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 "verilog/dv/caravel/defs.h" -#include "verilog/dv/caravel/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, - // 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 = 0xFFFFFFFF; // [31:0] - reg_la1_oenb = reg_la1_iena = 0xFFFFFFFF; // [63:32] - reg_la2_oenb = reg_la2_iena = 0xFFFFFFFF; // [95:64] - reg_la3_oenb = reg_la3_iena = 0xFFFFFFFF; // [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 = 0xFFFFFFFC; - - // 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; - } - - if (reg_la0_data >= 0x05) { - reg_mprj_datal = 0xAB610000; - } - -} -
diff --git a/verilog/dv/mprj_stimulus/mprj_stimulus.c b/verilog/dv/mprj_stimulus/mprj_stimulus.c deleted file mode 100644 index e4d0a2d..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 "verilog/dv/caravel/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_spimaster_config = 0xa002; // Enable, prescaler = 2 - - 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_BIDIRECTIONAL; - reg_mprj_io_34 = GPIO_MODE_MGMT_STD_BIDIRECTIONAL; - reg_mprj_io_33 = GPIO_MODE_MGMT_STD_BIDIRECTIONAL; - reg_mprj_io_32 = GPIO_MODE_MGMT_STD_BIDIRECTIONAL; - - 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_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; - - /* 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 = 0xFFFFFFFF; // [31:0] - reg_la1_oenb = reg_la1_iena = 0x00000000; // [63:32] - reg_la2_oenb = reg_la2_iena = 0xFFFFFFFF; // [95:64] - reg_la3_oenb = reg_la3_iena = 0xFFFFFFFF; // [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 = 0xFFFFFFFF; - - 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 = 0xffffffca; - reg_mprj_datah = 0x00000000; - reg_mprj_datah = 0x0f0f0fc5; - reg_mprj_datah = 0x00000000; - - // 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 & 0xff8) << 9) & 0xffff0000; - - // 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 1409015..0000000 --- a/verilog/dv/mprj_stimulus/mprj_stimulus_tb.v +++ /dev/null
@@ -1,157 +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 - -`include "uprj_netlists.v" -`include "caravel_netlists.v" -`include "spiflash.v" -`include "tbuart.v" - -module mprj_stimulus_tb; - // Signals declaration - reg clock; - reg RSTB; - reg CSB; - reg power1, power2; - reg power3, power4; - - wire HIGH; - wire LOW; - wire TRI; - assign HIGH = 1'b1; - assign LOW = 1'b0; - assign TRI = 1'bz; - - wire gpio; - wire uart_tx; - 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 uart_tx = mprj_io[6]; - 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 (150) begin - repeat (1000) @(posedge clock); - end - $display("%c[1;31m",27); - $display ("Monitor: Timeout, Test Project IO Stimulus (RTL) Failed"); - $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); - // Value 0009 reflects copying user-controlled outputs to memory and back - // to management-controlled outputs. - wait(checkbits == 16'h0009); - wait(checkbits == 16'hAB51); - $display("Monitor: mprj_stimulus test Passed"); - #10000; - $finish; - end - - // Reset Operation - 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 VDD3V3 = power1; - wire VDD1V8 = power2; - wire VSS = 1'b0; - - caravel uut ( - .vddio (VDD3V3), - .vssio (VSS), - .vdda (VDD3V3), - .vssa (VSS), - .vccd (VDD1V8), - .vssd (VSS), - .vdda1 (VDD3V3), - .vdda2 (VDD3V3), - .vssa1 (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 - ); - - // Testbench UART - tbuart tbuart ( - .ser_rx(uart_tx) - ); - -endmodule -`default_nettype wire
diff --git a/verilog/dv/wb_port/Makefile b/verilog/dv/wb_port/Makefile deleted file mode 100644 index 1c784c6..0000000 --- a/verilog/dv/wb_port/Makefile +++ /dev/null
@@ -1,96 +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 - -## PDK -PDK_PATH = $(PDK_ROOT)/sky130A - -## Caravel Pointers -CARAVEL_ROOT ?= ../../../caravel -CARAVEL_PATH ?= $(CARAVEL_ROOT) -CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel -CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog -CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl -CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel - -## User Project Pointers -UPRJ_VERILOG_PATH ?= ../../../verilog -UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl -UPRJ_BEHAVIOURAL_MODELS = ../ - -## RISCV GCC -GCC_PATH?=/ef/apps/bin -GCC_PREFIX?=riscv32-unknown-elf - -## Simulation mode: RTL/GL -SIM_DEFINES = -DFUNCTIONAL -DSIM -SIM?=RTL - -.SUFFIXES: - -PATTERN = wb_port - -all: ${PATTERN:=.vcd} - -hex: ${PATTERN:=.hex} - -%.vvp: %_tb.v %.hex -ifeq ($(SIM),RTL) - iverilog $(SIM_DEFINES) -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \ - $< -o $@ -else - iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \ - -I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \ - -I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \ - $< -o $@ -endif - -%.vcd: %.vvp - vvp $< - -%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s check-env - ${GCC_PATH}/${GCC_PREFIX}-gcc -I $(CARAVEL_PATH) -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(CARAVEL_FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(CARAVEL_FIRMWARE_PATH)/start.s $< - -%.hex: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ - # to fix flash base address - sed -i 's/@10000000/@00000000/g' $@ - -%.bin: %.elf - ${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@ - -check-env: -ifndef PDK_ROOT - $(error PDK_ROOT is undefined, please export it before running make) -endif -ifeq (,$(wildcard $(PDK_ROOT)/sky130A)) - $(error $(PDK_ROOT)/sky130A not found, please install pdk before running make) -endif -ifeq (,$(wildcard $(GCC_PATH)/$(GCC_PREFIX)-gcc )) - $(error $(GCC_PATH)/$(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make) -endif -# check for efabless style installation -ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog)) -SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE -endif - -# ---- Clean ---- - -clean: - rm -f *.elf *.hex *.bin *.vvp *.vcd *.log - -.PHONY: clean hex all
diff --git a/verilog/dv/wb_port/wb_port.c b/verilog/dv/wb_port/wb_port.c deleted file mode 100644 index 425c115..0000000 --- a/verilog/dv/wb_port/wb_port.c +++ /dev/null
@@ -1,89 +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 "verilog/dv/caravel/defs.h" -#include "verilog/dv/caravel/stub.c" - -/* - Wishbone Test: - - Configures MPRJ lower 8-IO pins as outputs - - Checks counter value through the wishbone port -*/ -int i = 0; -int clk = 0; - -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_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 = 0xFFFFFFFF; // [95:64] - - // Flag start of the test - reg_mprj_datal = 0xAB600000; - - reg_mprj_slave = 0x00002710; - if (reg_mprj_slave == 0x2752) { - reg_mprj_datal = 0xAB610000; - } else { - reg_mprj_datal = 0xAB600000; - } -}
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 b32f900..0000000 --- a/verilog/dv/wb_port/wb_port_tb.v +++ /dev/null
@@ -1,157 +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 - -`include "uprj_netlists.v" -`include "caravel_netlists.v" -`include "spiflash.v" - -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] = (CSB == 1'b1) ? 1'b1 : 1'bz; - - // 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 (30) 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'h AB60); - $display("Monitor: MPRJ-Logic WB Started"); - wait(checkbits == 16'h AB61); - `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 - #170000; - 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 = power1; - wire VDD1V8 = power2; - wire USER_VDD3V3 = power3; - wire USER_VDD1V8 = power4; - wire VSS = 1'b0; - - caravel uut ( - .vddio (VDD3V3), - .vssio (VSS), - .vdda (VDD3V3), - .vssa (VSS), - .vccd (VDD1V8), - .vssd (VSS), - .vdda1 (USER_VDD3V3), - .vdda2 (USER_VDD3V3), - .vssa1 (VSS), - .vssa2 (VSS), - .vccd1 (USER_VDD1V8), - .vccd2 (USER_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