blob: 3dd39113f967fef9b1120819bd977a650e3c9138 [file] [log] [blame]
/*
* 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"
// User Project Slaves (0x3000_0000)
#define reg_mprj_slave (*(volatile uint32_t*)0x30000000)
#define reg_mprj_wbhost_reg0 (*(volatile uint32_t*)0x30800000)
#define reg_mprj_glbl_reg0 (*(volatile uint32_t*)0x30000000)
#define reg_mprj_glbl_reg1 (*(volatile uint32_t*)0x30000004)
void main()
{
int bFail = 0;
/*
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;
// Remove Wishbone Reset
reg_mprj_wbhost_reg0 = 0x1;
if (reg_mprj_glbl_reg0 != 0x44332211) bFail = 1;
if (reg_mprj_glbl_reg1 != 0xDDCCBBAA) bFail = 1;
// Write software Write & Read Register
reg_mprj_glbl_reg0 = 0x11223344;
reg_mprj_glbl_reg1 = 0x22334455;
if (reg_mprj_glbl_reg0 != 0x11223344) bFail = 1;
if (reg_mprj_glbl_reg1 != 0x22334455) bFail = 1;
if(bFail == 0) {
reg_mprj_datal = 0xAB610000;
} else {
reg_mprj_datal = 0xAB600000;
}
}