drm/nouveau/secboot: support for r364 ACR

r364 is similar to r361, but uses a different hsflcn_desc structure to
introduce the shadow region address (even though it is not yet used by
this version).

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/Kbuild

@@ -4,5 +4,6 @@ nvkm-y += nvkm/subdev/secboot/ls_ucode_msgqueue.o
 nvkm-y += nvkm/subdev/secboot/acr.o
 nvkm-y += nvkm/subdev/secboot/acr_r352.o
 nvkm-y += nvkm/subdev/secboot/acr_r361.o
+nvkm-y += nvkm/subdev/secboot/acr_r364.o
 nvkm-y += nvkm/subdev/secboot/gm200.o
 nvkm-y += nvkm/subdev/secboot/gm20b.o

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr.h

@@ -63,5 +63,6 @@ void *nvkm_acr_load_firmware(const struct nvkm_subdev *, const char *, size_t);
 
 struct nvkm_acr *acr_r352_new(unsigned long);
 struct nvkm_acr *acr_r361_new(unsigned long);
+struct nvkm_acr *acr_r364_new(unsigned long);
 
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r364.c

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "acr_r361.h"
+
+#include <core/gpuobj.h>
+
+/*
+ * r364 ACR: hsflcn_desc structure has changed to introduce the shadow_mem
+ * parameter.
+ */
+
+struct acr_r364_hsflcn_desc {
+	union {
+		u8 reserved_dmem[0x200];
+		u32 signatures[4];
+	} ucode_reserved_space;
+	u32 wpr_region_id;
+	u32 wpr_offset;
+	u32 mmu_memory_range;
+	struct {
+		u32 no_regions;
+		struct {
+			u32 start_addr;
+			u32 end_addr;
+			u32 region_id;
+			u32 read_mask;
+			u32 write_mask;
+			u32 client_mask;
+			u32 shadow_mem_start_addr;
+		} region_props[2];
+	} regions;
+	u32 ucode_blob_size;
+	u64 ucode_blob_base __aligned(8);
+	struct {
+		u32 vpr_enabled;
+		u32 vpr_start;
+		u32 vpr_end;
+		u32 hdcp_policies;
+	} vpr_desc;
+};
+
+static void
+acr_r364_fixup_hs_desc(struct acr_r352 *acr, struct nvkm_secboot *sb,
+		       void *_desc)
+{
+	struct acr_r364_hsflcn_desc *desc = _desc;
+	struct nvkm_gpuobj *ls_blob = acr->ls_blob;
+
+	/* WPR region information if WPR is not fixed */
+	if (sb->wpr_size == 0) {
+		u64 wpr_start = ls_blob->addr;
+		u64 wpr_end = ls_blob->addr + ls_blob->size;
+
+		if (acr->func->shadow_blob)
+			wpr_start += ls_blob->size / 2;
+
+		desc->wpr_region_id = 1;
+		desc->regions.no_regions = 2;
+		desc->regions.region_props[0].start_addr = wpr_start >> 8;
+		desc->regions.region_props[0].end_addr = wpr_end >> 8;
+		desc->regions.region_props[0].region_id = 1;
+		desc->regions.region_props[0].read_mask = 0xf;
+		desc->regions.region_props[0].write_mask = 0xc;
+		desc->regions.region_props[0].client_mask = 0x2;
+		if (acr->func->shadow_blob)
+			desc->regions.region_props[0].shadow_mem_start_addr =
+							     ls_blob->addr >> 8;
+		else
+			desc->regions.region_props[0].shadow_mem_start_addr = 0;
+	} else {
+		desc->ucode_blob_base = ls_blob->addr;
+		desc->ucode_blob_size = ls_blob->size;
+	}
+}
+
+const struct acr_r352_func
+acr_r364_func = {
+	.fixup_hs_desc = acr_r364_fixup_hs_desc,
+	.generate_hs_bl_desc = acr_r361_generate_hs_bl_desc,
+	.hs_bl_desc_size = sizeof(struct acr_r361_flcn_bl_desc),
+	.ls_ucode_img_load = acr_r352_ls_ucode_img_load,
+	.ls_fill_headers = acr_r352_ls_fill_headers,
+	.ls_write_wpr = acr_r352_ls_write_wpr,
+	.ls_func = {
+		[NVKM_SECBOOT_FALCON_FECS] = &acr_r361_ls_fecs_func,
+		[NVKM_SECBOOT_FALCON_GPCCS] = &acr_r361_ls_gpccs_func,
+		[NVKM_SECBOOT_FALCON_PMU] = &acr_r361_ls_pmu_func,
+	},
+};
+
+
+struct nvkm_acr *
+acr_r364_new(unsigned long managed_falcons)
+{
+	return acr_r352_new_(&acr_r364_func, NVKM_SECBOOT_FALCON_PMU,
+			     managed_falcons);
+}