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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: getscom [-c|--chip chip-id] addr\n");
printf(" getscom -l|--list-chips\n");
printf(" getscom -v|--version\n");
exit(1);
}
static void print_chip_info(uint32_t chip_id)
{
uint64_t f000f, cfam_id;
const char *name;
char uname_buf[64];
int rc;
rc = xscom_read(chip_id, 0xf000f, &f000f);
if (rc)
return;
cfam_id = f000f >> 44;
switch(cfam_id & 0xff) {
case 0xf9:
name = "P7 processor";
break;
case 0xe8:
name = "P7+ processor";
break;
case 0xef:
name = "P8E (Murano) processor";
break;
case 0xea:
name = "P8 (Venice) processor";
break;
case 0xd3:
name = "P8NVL (Naples) processor";
break;
case 0xe9:
name = "Centaur memory buffer";
break;
default:
snprintf(uname_buf, sizeof(uname_buf), "Unknown ID 0x%02lx",
cfam_id & 0xff);
name = uname_buf;
}
printf("%08x | DD%lx.%lx | %s\n",
chip_id, (cfam_id >> 16) & 0xf, (cfam_id >> 8) & 0xf, name);
}
#define VERSION_STR _str(VERSION)
#define _str(s) __str(s)
#define __str(s) #s
int main(int argc, char *argv[])
{
uint64_t val, addr = -1ull;
uint32_t def_chip, chip_id = 0xffffffff;
bool list_chips = false;
bool no_work = false;
int rc;
while(1) {
static struct option long_opts[] = {
{"chip", required_argument, NULL, 'c'},
{"list-chips", no_argument, NULL, 'l'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
};
int c, oidx = 0;
c = getopt_long(argc, argv, "-c:hlv", long_opts, &oidx);
if (c == EOF)
break;
switch(c) {
case 1:
addr = strtoull(optarg, NULL, 16);
break;
case 'c':
chip_id = strtoul(optarg, NULL, 0);
break;
case 'h':
print_usage();
break;
case 'l':
list_chips = true;
break;
case 'v':
printf("xscom utils version %s\n", VERSION_STR);
exit(1);
default:
exit(1);
}
}
if (addr == -1ull)
no_work = true;
if (no_work && !list_chips) {
fprintf(stderr, "Invalid or missing address\n");
print_usage();
}
def_chip = xscom_init();
if (def_chip == 0xffffffff) {
fprintf(stderr, "No valid XSCOM chip found\n");
exit(1);
}
if (list_chips) {
printf("Chip ID | Rev | Chip type\n");
printf("---------|-------|--------\n");
xscom_for_each_chip(print_chip_info);
}
if (no_work)
return 0;
if (chip_id == 0xffffffff)
chip_id = def_chip;
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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