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| /*
| * (C) Copyright 2016 Google, Inc
| *
| * SPDX-License-Identifier: GPL-2.0
| */
|
| #include <common.h>
| #include <dm.h>
| #include <errno.h>
| #include <sysreset.h>
| #include <wdt.h>
| #include <asm/io.h>
| #include <asm/arch/wdt.h>
| #include <linux/err.h>
|
| static int ast_sysreset_request(struct udevice *dev, enum sysreset_t type)
| {
| struct udevice *wdt;
| u32 reset_mode;
| int ret = uclass_first_device(UCLASS_WDT, &wdt);
|
| if (ret)
| return ret;
|
| switch (type) {
| case SYSRESET_WARM:
| reset_mode = WDT_CTRL_RESET_CPU;
| break;
| case SYSRESET_COLD:
| reset_mode = WDT_CTRL_RESET_CHIP;
| break;
| default:
| return -EPROTONOSUPPORT;
| }
|
| ret = wdt_expire_now(wdt, reset_mode);
| if (ret) {
| debug("Sysreset failed: %d", ret);
| return ret;
| }
|
| return -EINPROGRESS;
| }
|
| static struct sysreset_ops ast_sysreset = {
| .request = ast_sysreset_request,
| };
|
| U_BOOT_DRIVER(sysreset_ast) = {
| .name = "ast_sysreset",
| .id = UCLASS_SYSRESET,
| .ops = &ast_sysreset,
| };
|
|
