1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2016, NVIDIA CORPORATION.
11 #include <reset-uclass.h>
12 #include <asm/arch-tegra/bpmp_abi.h>
14 static int tegra186_reset_common(struct reset_ctl *reset_ctl,
15 enum mrq_reset_commands cmd)
17 struct mrq_reset_request req;
21 req.reset_id = reset_ctl->id;
23 ret = misc_call(reset_ctl->dev->parent, MRQ_RESET, &req, sizeof(req),
31 static int tegra186_reset_assert(struct reset_ctl *reset_ctl)
33 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
34 reset_ctl->dev, reset_ctl->id);
36 return tegra186_reset_common(reset_ctl, CMD_RESET_ASSERT);
39 static int tegra186_reset_deassert(struct reset_ctl *reset_ctl)
41 debug("%s(reset_ctl=%p) (dev=%p, id=%lu)\n", __func__, reset_ctl,
42 reset_ctl->dev, reset_ctl->id);
44 return tegra186_reset_common(reset_ctl, CMD_RESET_DEASSERT);
47 struct reset_ops tegra186_reset_ops = {
48 .rst_assert = tegra186_reset_assert,
49 .rst_deassert = tegra186_reset_deassert,
52 U_BOOT_DRIVER(tegra186_reset) = {
53 .name = "tegra186_reset",
55 .ops = &tegra186_reset_ops,