blob: ebdea6ab66edfafc4492b62ebc3c8807f87f99a0 (
plain)
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
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 Stefan Roese <sr@denx.de>
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <sysreset.h>
#include <asm/io.h>
#define RST_SOFT_RST 0x0080
struct octeon_sysreset_data {
void __iomem *base;
};
static int octeon_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
struct octeon_sysreset_data *data = dev_get_priv(dev);
writeq(1, data->base + RST_SOFT_RST);
return -EINPROGRESS;
}
static int octeon_sysreset_probe(struct udevice *dev)
{
struct octeon_sysreset_data *data = dev_get_priv(dev);
data->base = dev_remap_addr(dev);
return 0;
}
static struct sysreset_ops octeon_sysreset = {
.request = octeon_sysreset_request,
};
static const struct udevice_id octeon_sysreset_ids[] = {
{ .compatible = "mrvl,cn7xxx-rst" },
{ }
};
U_BOOT_DRIVER(sysreset_octeon) = {
.id = UCLASS_SYSRESET,
.name = "octeon_sysreset",
.priv_auto = sizeof(struct octeon_sysreset_data),
.ops = &octeon_sysreset,
.probe = octeon_sysreset_probe,
.of_match = octeon_sysreset_ids,
};
|
