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/*
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*/
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>
#include <string.h>
#include "intel_io.h"
#include "intel_chipset.h"
static void usage(const char *name)
{
printf("Warning : This program will work only on Valleyview\n"
"Usage: %s <port> <reg>\n"
"\t port/reg : in 0xXXXX format\n",
name);
}
int main(int argc, char *argv[])
{
uint32_t port, reg, val;
struct pci_device *dev = intel_get_pci_device();
if (argc != 3 || !IS_VALLEYVIEW(dev->device_id)) {
usage(argv[0]);
return 1;
}
port = strtoul(argv[1], NULL, 16);
reg = strtoul(argv[2], NULL, 16);
intel_register_access_init(dev, 0);
val = intel_iosf_sb_read(port, reg);
printf("0x%02x/0x%04x : 0x%08x\n", port, reg, val);
intel_register_access_fini();
return 0;
}
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