/* | |
* Copyright (C) 2017 Masahiro Yamada <yamada.masahiro@socionext.com> | |
* | |
* SPDX-License-Identifier: GPL-2.0+ | |
*/ | |
#include <common.h> | |
#include <dm.h> | |
#include <sysreset.h> | |
#include <linux/errno.h> | |
#include <linux/psci.h> | |
static int psci_sysreset_request(struct udevice *dev, enum sysreset_t type) | |
{ | |
unsigned long function_id; | |
switch (type) { | |
case SYSRESET_WARM: | |
case SYSRESET_COLD: | |
function_id = PSCI_0_2_FN_SYSTEM_RESET; | |
break; | |
case SYSRESET_POWER: | |
function_id = PSCI_0_2_FN_SYSTEM_OFF; | |
break; | |
default: | |
return -ENOSYS; | |
} | |
invoke_psci_fn(function_id, 0, 0, 0); | |
return -EINPROGRESS; | |
} | |
static struct sysreset_ops psci_sysreset_ops = { | |
.request = psci_sysreset_request, | |
}; | |
U_BOOT_DRIVER(psci_sysreset) = { | |
.name = "psci-sysreset", | |
.id = UCLASS_SYSRESET, | |
.ops = &psci_sysreset_ops, | |
}; |