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- // 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,
- };
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