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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2020 Broadcom Ltd.
*/
#include <common.h>
#include "bcmbca_button.h"
#define DEFAULT_RESET_CMD "sdk restoredefault;reset"
static void btn_hook_rst_to_dflt(unsigned long time, void *param)
{
if (param) {
run_command((char *)param, 0);
} else {
/* stop the auto boot as the default rst button behavior */
run_command(DEFAULT_RESET_CMD, 0);
}
}
static void btn_hook_reset_release(unsigned long time, void *param)
{
if (param) {
run_command((char *)param, 0);
}
}
/*
* u-boot button drv uses release event to support multiple press action with
* different length of press time. Using the example below, if user press and
* hold reset button for more than 5s but less 10s, the default_cmd action
* will be taken. If user press and hold longer than 10s then release, the
* recovery action will be taken. If user press and never release the button,
* u-boot boot will stuck and wait for user to release the botton
*
* User can add more action items with different wait length. Button drv
* enumerate all of them when registering action for release event.
*
* If release action is not specified, it fallbacks to hold rst_to_dflt action
*
* reset_button {
* press {
* print = "Button Press -- Hold for 5s to do restore to default";
* };
* hold {
* rst_to_dflt = <5>;
* };
* release {
* reset = <0>;
* default = < 5>;
* default_cmd= "sdk restoredfaults ; sdk boot_image";
* recovery = <10>;
* recovery_cmd = "setenv ipaddr 192.168.1.1; setenv netmask 255.0.0.0 ; sdk httpd_start ; sdk poll_bg";
* };
* };
*/
int reset_button_init(void)
{
int ret;
ret = register_button_action_for_event("reset_button", "release", NULL,
btn_hook_reset_release);
/* if board does not use release event for the reset button, fallback
default hold event */
if (ret <= 1) {
ret = register_button_action("reset_button", "rst_to_dflt",
btn_hook_rst_to_dflt);
if (ret < 0) {
printk("Failed to register rst_to_dflt action rc %d\n", ret);
return -1;
}
}
return 0;
}
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