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/*
* K3CONF Command Read and write
*
* Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com/
* Lokesh Vutla <lokeshvutla@ti.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <tisci.h>
#include <socinfo.h>
#include <help.h>
#include <k3conf.h>
#include <mmio.h>
int process_read_command(int argc, char *argv[])
{
uint64_t addr = 0;
int ret, num_read_bits = 32;
if (argc < 1) {
help(HELP_READ);
return -1;
}
ret = sscanf(argv[0], "%lx", &addr);
if (ret != 1) {
help(HELP_READ);
return -1;
}
if (argc == 2) {
ret = sscanf(argv[1], "%d", &num_read_bits);
if (ret != 1) {
help(HELP_READ);
return -1;
}
}
switch (num_read_bits) {
case 8:
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_8(addr));
break;
case 16:
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_16(addr));
break;
case 32:
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_32(addr));
break;
case 64:
fprintf(stdout, "Value at addr 0x%lx = 0x%lx\n\n", addr,
mmio_read_64(addr));
break;
default:
fprintf(stdout, "Wrong input size, expected input size is 8,16,32,64\n");
return -1;
};
return 0;
}
int process_write_command(int argc, char *argv[])
{
unsigned long val;
uint64_t addr;
int ret, num_write_bits = 32;
if (argc < 2) {
help(HELP_WRITE);
return -1;
}
ret = sscanf(argv[0], "%lx", &addr);
if (ret != 1) {
help(HELP_WRITE);
return -1;
}
ret = sscanf(argv[1], "%lx", &val);
if (ret != 1) {
help(HELP_WRITE);
return -1;
}
if (argc == 3) {
ret = sscanf(argv[2], "%d", &num_write_bits);
if (ret != 1) {
help(HELP_READ);
return -1;
}
}
switch (num_write_bits) {
case 8:
mmio_write_8(addr, val);
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_8(addr));
break;
case 16:
mmio_write_16(addr, val);
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_16(addr));
break;
case 32:
mmio_write_32(addr, val);
fprintf(stdout, "Value at addr 0x%lx = 0x%x\n\n", addr,
mmio_read_32(addr));
break;
case 64:
mmio_write_64(addr, val);
fprintf(stdout, "Value at addr 0x%lx = 0x%lx\n\n", addr,
mmio_read_64(addr));
break;
default:
fprintf(stdout, "Wrong input size, expected input size is 8,16,32,64\n");
return -1;
};
return 0;
}
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