1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2022 Sean Anderson <sean.anderson@seco.com>
*/
#include <common.h>
#include <dm.h>
#include <nvmem.h>
#include <reboot-mode/reboot-mode.h>
/**
* struct nvmem_reboot_mode_priv - Private data for the nvmem reboot mode device
* @cell: The nvmem cell to store the mode in
*/
struct nvmem_reboot_mode_priv {
struct nvmem_cell cell;
};
static int reboot_mode_get(struct udevice *dev, u32 *mode)
{
struct nvmem_reboot_mode_priv *priv = dev_get_priv(dev);
return nvmem_cell_read(&priv->cell, mode, sizeof(*mode));
}
static int reboot_mode_set(struct udevice *dev, u32 mode)
{
struct nvmem_reboot_mode_priv *priv = dev_get_priv(dev);
return nvmem_cell_write(&priv->cell, &mode, sizeof(mode));
}
static const struct reboot_mode_ops nvmem_reboot_mode_ops = {
.get = reboot_mode_get,
.set = reboot_mode_set,
};
static int reboot_mode_probe(struct udevice *dev)
{
struct nvmem_reboot_mode_priv *priv = dev_get_priv(dev);
return nvmem_cell_get_by_name(dev, "reboot-mode", &priv->cell);
}
static const struct udevice_id nvmem_reboot_mode_ids[] = {
{ .compatible = "nvmem-reboot-mode" },
{ }
};
U_BOOT_DRIVER(nvmem_reboot_mode) = {
.name = "nvmem-reboot-mode",
.id = UCLASS_REBOOT_MODE,
.of_match = nvmem_reboot_mode_ids,
.probe = reboot_mode_probe,
.priv_auto = sizeof(struct nvmem_reboot_mode_priv),
.ops = &nvmem_reboot_mode_ops,
};
|
