2 * Copyright 2017 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/state.h>
12 DECLARE_GLOBAL_DATA_PTR;
14 static int sandbox_wdt_start(struct udevice *dev, u64 timeout, ulong flags)
16 struct sandbox_state *state = state_get_current();
18 state->wdt.counter = timeout;
19 state->wdt.running = true;
24 static int sandbox_wdt_stop(struct udevice *dev)
26 struct sandbox_state *state = state_get_current();
28 state->wdt.running = false;
33 static int sandbox_wdt_reset(struct udevice *dev)
35 struct sandbox_state *state = state_get_current();
37 state->wdt.reset_count++;
42 static int sandbox_wdt_expire_now(struct udevice *dev, ulong flags)
44 sandbox_wdt_start(dev, 1, flags);
49 static const struct wdt_ops sandbox_wdt_ops = {
50 .start = sandbox_wdt_start,
51 .reset = sandbox_wdt_reset,
52 .stop = sandbox_wdt_stop,
53 .expire_now = sandbox_wdt_expire_now,
56 static const struct udevice_id sandbox_wdt_ids[] = {
57 { .compatible = "sandbox,wdt" },
61 U_BOOT_DRIVER(wdt_sandbox) = {
62 .name = "wdt_sandbox",
64 .of_match = sandbox_wdt_ids,
65 .ops = &sandbox_wdt_ops,