Delete io_ports.c
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);
-
-}
-
