drm/nouveau/flcn: specify EMEM address from subdev

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h

@@ -30,7 +30,6 @@ struct nvkm_falcon {
 	u8 version;
 	u8 secret;
 	bool debug;
-	bool has_emem;
 
 	struct nvkm_memory *core;
 	bool external;
@@ -84,6 +83,7 @@ struct nvkm_falcon_func {
 	void (*load_imem)(struct nvkm_falcon *, void *, u32, u32, u16, u8, bool);
 	void (*load_dmem)(struct nvkm_falcon *, void *, u32, u32, u8);
 	void (*read_dmem)(struct nvkm_falcon *, u32, u32, u8, void *);
+	u32 emem_addr;
 	void (*bind_context)(struct nvkm_falcon *, struct nvkm_memory *);
 	int (*wait_for_halt)(struct nvkm_falcon *, u32);
 	int (*clear_interrupt)(struct nvkm_falcon *, u32);

drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c

@@ -92,6 +92,7 @@ gp102_sec2_flcn = {
 	.load_imem = nvkm_falcon_v1_load_imem,
 	.load_dmem = nvkm_falcon_v1_load_dmem,
 	.read_dmem = nvkm_falcon_v1_read_dmem,
+	.emem_addr = 0x01000000,
 	.bind_context = gp102_sec2_flcn_bind_context,
 	.wait_for_halt = nvkm_falcon_v1_wait_for_halt,
 	.clear_interrupt = nvkm_falcon_v1_clear_interrupt,

drivers/gpu/drm/nouveau/nvkm/engine/sec2/tu102.c

@@ -27,6 +27,7 @@ tu102_sec2_flcn = {
 	.load_imem = nvkm_falcon_v1_load_imem,
 	.load_dmem = nvkm_falcon_v1_load_dmem,
 	.read_dmem = nvkm_falcon_v1_read_dmem,
+	.emem_addr = 0x01000000,
 	.bind_context = gp102_sec2_flcn_bind_context,
 	.wait_for_halt = nvkm_falcon_v1_wait_for_halt,
 	.clear_interrupt = nvkm_falcon_v1_clear_interrupt,

drivers/gpu/drm/nouveau/nvkm/falcon/base.c

@@ -170,7 +170,6 @@ nvkm_falcon_oneinit(struct nvkm_falcon *falcon)
 		break;
 	case NVKM_ENGINE_SEC2:
 		debug_reg = 0x408;
-		falcon->has_emem = true;
 		break;
 	case NVKM_SUBDEV_GSP:
 		debug_reg = 0x0; /*XXX*/

drivers/gpu/drm/nouveau/nvkm/falcon/v1.c

@@ -89,18 +89,17 @@ nvkm_falcon_v1_load_emem(struct nvkm_falcon *falcon, void *data, u32 start,
 	}
 }
 
-static const u32 EMEM_START_ADDR = 0x1000000;
-
 void
 nvkm_falcon_v1_load_dmem(struct nvkm_falcon *falcon, void *data, u32 start,
 			 u32 size, u8 port)
 {
+	const struct nvkm_falcon_func *func = falcon->func;
 	u8 rem = size % 4;
 	int i;
 
-	if (start >= EMEM_START_ADDR && falcon->has_emem)
+	if (func->emem_addr && start >= func->emem_addr)
 		return nvkm_falcon_v1_load_emem(falcon, data,
-						start - EMEM_START_ADDR, size,
+						start - func->emem_addr, size,
 						port);
 
 	size -= rem;
@@ -152,11 +151,12 @@ void
 nvkm_falcon_v1_read_dmem(struct nvkm_falcon *falcon, u32 start, u32 size,
 			 u8 port, void *data)
 {
+	const struct nvkm_falcon_func *func = falcon->func;
 	u8 rem = size % 4;
 	int i;
 
-	if (start >= EMEM_START_ADDR && falcon->has_emem)
-		return nvkm_falcon_v1_read_emem(falcon, start - EMEM_START_ADDR,
+	if (func->emem_addr && start >= func->emem_addr)
+		return nvkm_falcon_v1_read_emem(falcon, start - func->emem_addr,
 						size, port, data);
 
 	size -= rem;