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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
*
* Reset driver for tangier processor
*/
#include <common.h>
#include <dm.h>
#include <sysreset.h>
#include <asm/scu.h>
static int tangier_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
int value;
switch (type) {
case SYSRESET_WARM:
value = IPCMSG_WARM_RESET;
break;
case SYSRESET_COLD:
value = IPCMSG_COLD_RESET;
break;
default:
return -ENOSYS;
}
scu_ipc_simple_command(value, 0);
return -EINPROGRESS;
}
static const struct udevice_id tangier_sysreset_ids[] = {
{ .compatible = "intel,reset-tangier" },
{ }
};
static struct sysreset_ops tangier_sysreset_ops = {
.request = tangier_sysreset_request,
};
U_BOOT_DRIVER(tangier_sysreset) = {
.name = "tangier-sysreset",
.id = UCLASS_SYSRESET,
.of_match = tangier_sysreset_ids,
.ops = &tangier_sysreset_ops,
.flags = DM_FLAG_PRE_RELOC,
};
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