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/* Copyright 2014-2016 IBM Corp.
*
* 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
* imitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <stdint.h>
#include <stdbool.h>
#include <inttypes.h>
#include "xscom.h"
static void print_usage(void)
{
printf("usage: putscom [-c|--chip chip-id] addr value\n");
printf(" putscom -v|--version\n");
exit(1);
}
int main(int argc, char *argv[])
{
uint64_t val = -1ull, addr = -1ull;
uint32_t def_chip, chip_id = 0xffffffff;
bool got_addr = false, got_val = false;
int rc;
while(1) {
static struct option long_opts[] = {
{"chip", required_argument, NULL, 'c'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
};
int c, oidx = 0;
c = getopt_long(argc, argv, "-c:hv", long_opts, &oidx);
if (c == EOF)
break;
switch(c) {
case 1:
if (!got_addr) {
addr = strtoull(optarg, NULL, 16);
got_addr = true;
break;
}
val = strtoull(optarg, NULL, 16);
got_val = true;
break;
case 'c':
chip_id = strtoul(optarg, NULL, 0);
break;
case 'v':
printf("xscom utils version %s\n", VERSION);
exit(1);
case 'h':
print_usage();
break;
default:
exit(1);
}
}
if (!got_addr || !got_val) {
fprintf(stderr, "Invalid or missing address/value\n");
print_usage();
}
def_chip = xscom_init();
if (def_chip == 0xffffffff) {
fprintf(stderr, "No valid XSCOM chip found\n");
exit(1);
}
if (chip_id == 0xffffffff)
chip_id = def_chip;
rc = xscom_write(chip_id, addr, val);
if (rc) {
fprintf(stderr,"Error %d writing XSCOM\n", rc);
exit(1);
}
rc = xscom_read(chip_id, addr, &val);
if (rc) {
fprintf(stderr,"Error %d reading XSCOM\n", rc);
exit(1);
}
printf("%" PRIx64 "\n", val);
return 0;
}
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