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/* Copyright 2017 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* MCHP MEC GPIO module EC UART commands */
#include "common.h"
#include "console.h"
#include "gpio.h"
#include "gpio_chip.h"
#include "hooks.h"
#include "registers.h"
#include "system.h"
#include "tfdp_chip.h"
#include "util.h"
/* Console output macros */
#define CPUTS(outstr) cputs(CC_LPC, outstr)
#define CPRINTS(format, args...) cprints(CC_LPC, format, ##args)
static int cmd_gp_get_config(int argc, const char **argv)
{
char *e;
int i;
uint32_t gctrl;
/* If a signal is specified, print only that one */
if (argc == 2) {
i = strtoi(argv[1], &e, 0);
if (*e)
return EC_ERROR_PARAM1;
if (!gpio_is_implemented(i))
return EC_ERROR_PARAM1;
gctrl = MCHP_GPIO_CTRL(i);
ccprintf(" GPIO[0x%X].Ctrl = 0x%08X\n", i, gctrl);
} else { /* Otherwise print them all */
for (i = 0; i < GPIO_COUNT; i++) {
if (!gpio_is_implemented(i))
continue; /* Skip unsupported signals */
gctrl = MCHP_GPIO_CTRL(i);
ccprintf(" GPIO[0x%X].Ctrl = 0x%08X\n", i, gctrl);
}
}
/* Flush console to avoid truncating output */
cflush();
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(gpgetcfg, cmd_gp_get_config, "[number]",
"Read GPIO config");
static int cmd_gp_set_config(int argc, const char **argv)
{
char *e;
int i;
uint32_t gctrl;
/* If a signal is specified, print only that one */
if (argc > 2) {
i = strtoi(argv[1], &e, 0);
if (*e)
return EC_ERROR_PARAM1;
if (!gpio_is_implemented(i))
return EC_ERROR_PARAM1;
gctrl = (uint32_t)strtoi(argv[2], &e, 0);
if (*e)
return EC_ERROR_PARAM2;
MCHP_GPIO_CTRL(i) = gctrl;
gctrl = MCHP_GPIO_CTRL(i);
ccprintf(" GPIO[0x%X].Ctrl = 0x%08X\n", i, gctrl);
} else {
ccprintf(" Requires two parameters: GPIO num and new config");
}
/* Flush console to avoid truncating output */
cflush();
return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(gpsetcfg, cmd_gp_set_config, "gp_num val",
"Set GPIO config");
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