2 * Copyright (c) 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/state.h>
15 DECLARE_GLOBAL_DATA_PTR
;
17 static int sandbox_warm_sysreset_request(struct udevice
*dev
,
20 struct sandbox_state
*state
= state_get_current();
24 state
->last_sysreset
= type
;
29 if (!state
->sysreset_allowed
[type
])
35 static int sandbox_sysreset_request(struct udevice
*dev
, enum sysreset_t type
)
37 struct sandbox_state
*state
= state_get_current();
40 * If we have a device tree, the device we created from platform data
41 * (see the U_BOOT_DEVICE() declaration below) should not do anything.
42 * If we are that device, return an error.
44 if (state
->fdt_fname
&& !dev_of_valid(dev
))
49 state
->last_sysreset
= type
;
52 state
->last_sysreset
= type
;
53 if (!state
->sysreset_allowed
[type
])
60 if (!state
->sysreset_allowed
[type
])
66 static struct sysreset_ops sandbox_sysreset_ops
= {
67 .request
= sandbox_sysreset_request
,
70 static const struct udevice_id sandbox_sysreset_ids
[] = {
71 { .compatible
= "sandbox,reset" },
75 U_BOOT_DRIVER(sysreset_sandbox
) = {
76 .name
= "sysreset_sandbox",
77 .id
= UCLASS_SYSRESET
,
78 .of_match
= sandbox_sysreset_ids
,
79 .ops
= &sandbox_sysreset_ops
,
82 static struct sysreset_ops sandbox_warm_sysreset_ops
= {
83 .request
= sandbox_warm_sysreset_request
,
86 static const struct udevice_id sandbox_warm_sysreset_ids
[] = {
87 { .compatible
= "sandbox,warm-reset" },
91 U_BOOT_DRIVER(warm_sysreset_sandbox
) = {
92 .name
= "warm_sysreset_sandbox",
93 .id
= UCLASS_SYSRESET
,
94 .of_match
= sandbox_warm_sysreset_ids
,
95 .ops
= &sandbox_warm_sysreset_ops
,
98 /* This is here in case we don't have a device tree */
99 U_BOOT_DEVICE(sysreset_sandbox_non_fdt
) = {
100 .name
= "sysreset_sandbox",