// SPDX-License-Identifier: GPL-2.0+ | |
/* | |
* Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com> | |
*/ | |
#include <dm.h> | |
#include <sysreset.h> | |
#include <linux/errno.h> | |
#include <linux/psci.h> | |
__weak int psci_sysreset_get_status(struct udevice *dev, char *buf, int size) | |
{ | |
return -EOPNOTSUPP; | |
} | |
static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type) | |
{ | |
switch (type) { | |
case SYSRESET_WARM: | |
case SYSRESET_COLD: | |
psci_sys_reset(type); | |
break; | |
case SYSRESET_POWER_OFF: | |
psci_sys_poweroff(); | |
break; | |
default: | |
return -EPROTONOSUPPORT; | |
} | |
return -EINPROGRESS; | |
} | |
static struct sysreset_ops psci_sysreset_ops = { | |
.request = psci_sysreset_request, | |
.get_status = psci_sysreset_get_status, | |
}; | |
U_BOOT_DRIVER(psci_sysreset) = { | |
.name = "psci-sysreset", | |
.id = UCLASS_SYSRESET, | |
.ops = &psci_sysreset_ops, | |
.flags = DM_FLAG_PRE_RELOC, | |
}; |