1 /*
2  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 #include "priv.h"
23 
24 #include <subdev/acr.h>
25 
26 #include <nvfw/flcn.h>
27 #include <nvfw/pmu.h>
28 
29 static int
30 gp10b_pmu_acr_bootstrap_multiple_falcons_cb(void *priv,
31 					    struct nvfw_falcon_msg *hdr)
32 {
33 	struct nv_pmu_acr_bootstrap_multiple_falcons_msg *msg =
34 		container_of(hdr, typeof(*msg), msg.hdr);
35 	return msg->falcon_mask;
36 }
37 static int
38 gp10b_pmu_acr_bootstrap_multiple_falcons(struct nvkm_falcon *falcon, u32 mask)
39 {
40 	struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon);
41 	struct nv_pmu_acr_bootstrap_multiple_falcons_cmd cmd = {
42 		.cmd.hdr.unit_id = NV_PMU_UNIT_ACR,
43 		.cmd.hdr.size = sizeof(cmd),
44 		.cmd.cmd_type = NV_PMU_ACR_CMD_BOOTSTRAP_MULTIPLE_FALCONS,
45 		.flags = NV_PMU_ACR_BOOTSTRAP_MULTIPLE_FALCONS_FLAGS_RESET_YES,
46 		.falcon_mask = mask,
47 		.wpr_lo = 0, /*XXX*/
48 		.wpr_hi = 0, /*XXX*/
49 	};
50 	int ret;
51 
52 	ret = nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr,
53 				    gp10b_pmu_acr_bootstrap_multiple_falcons_cb,
54 				    &pmu->subdev, msecs_to_jiffies(1000));
55 	if (ret >= 0) {
56 		if (ret != cmd.falcon_mask)
57 			ret = -EIO;
58 		else
59 			ret = 0;
60 	}
61 
62 	return ret;
63 }
64 
65 static const struct nvkm_acr_lsf_func
66 gp10b_pmu_acr = {
67 	.flags = NVKM_ACR_LSF_DMACTL_REQ_CTX,
68 	.bld_size = sizeof(struct loader_config),
69 	.bld_write = gm20b_pmu_acr_bld_write,
70 	.bld_patch = gm20b_pmu_acr_bld_patch,
71 	.bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_PMU) |
72 			     BIT_ULL(NVKM_ACR_LSF_FECS) |
73 			     BIT_ULL(NVKM_ACR_LSF_GPCCS),
74 	.bootstrap_falcon = gm20b_pmu_acr_bootstrap_falcon,
75 	.bootstrap_multiple_falcons = gp10b_pmu_acr_bootstrap_multiple_falcons,
76 };
77 
78 #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
79 MODULE_FIRMWARE("nvidia/gp10b/pmu/desc.bin");
80 MODULE_FIRMWARE("nvidia/gp10b/pmu/image.bin");
81 MODULE_FIRMWARE("nvidia/gp10b/pmu/sig.bin");
82 #endif
83 
84 static const struct nvkm_pmu_fwif
85 gp10b_pmu_fwif[] = {
86 	{  0, gm20b_pmu_load, &gm20b_pmu, &gp10b_pmu_acr },
87 	{ -1, gm200_pmu_nofw, &gm20b_pmu },
88 	{}
89 };
90 
91 int
92 gp10b_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
93 	      struct nvkm_pmu **ppmu)
94 {
95 	return nvkm_pmu_new_(gp10b_pmu_fwif, device, type, inst, ppmu);
96 }
97