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/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* System module for Chrome EC */
#include "console.h"
#include "util.h"
static int command_write_word(int argc, char **argv)
{
volatile uint32_t *address;
uint32_t value;
if (argc != 3) {
ccputs("Usage: ww <address> <value>\n");
return EC_ERROR_UNKNOWN;
}
address = (uint32_t*)strtoi(argv[1], NULL, 0);
value = strtoi(argv[2], NULL, 0);
ccprintf("write word 0x%p = 0x%08x\n", address, value);
cflush(); /* Flush before writing in case this crashes */
*address = value;
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(ww, command_write_word);
DECLARE_CONSOLE_COMMAND(writeword, command_write_word);
static int command_read_word(int argc, char **argv)
{
volatile uint32_t *address;
uint32_t value;
if (argc != 2) {
ccputs("Usage: rw <address>\n");
return EC_ERROR_UNKNOWN;
}
address = (uint32_t*)strtoi(argv[1], NULL, 0);
value = *address;
ccprintf("read word 0x%p = 0x%08x\n", address, value);
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(rw, command_read_word);
DECLARE_CONSOLE_COMMAND(readword, command_read_word);
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