1 /*
2  * Copyright (c) 2014-2015, 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 "gf100.h"
23 #include "ctxgf100.h"
24 
25 #include <core/firmware.h>
26 #include <subdev/timer.h>
27 
28 #include <nvif/class.h>
29 
30 struct gk20a_fw_av
31 {
32 	u32 addr;
33 	u32 data;
34 };
35 
36 int
gk20a_gr_av_to_init_(struct nvkm_blob * blob,u8 count,u32 pitch,struct gf100_gr_pack ** ppack)37 gk20a_gr_av_to_init_(struct nvkm_blob *blob, u8 count, u32 pitch, struct gf100_gr_pack **ppack)
38 {
39 	struct gf100_gr_init *init;
40 	struct gf100_gr_pack *pack;
41 	int nent;
42 	int i;
43 
44 	nent = (blob->size / sizeof(struct gk20a_fw_av));
45 	pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
46 	if (!pack)
47 		return -ENOMEM;
48 
49 	init = (void *)(pack + 2);
50 	pack[0].init = init;
51 
52 	for (i = 0; i < nent; i++) {
53 		struct gf100_gr_init *ent = &init[i];
54 		struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob->data)[i];
55 
56 		ent->addr = av->addr;
57 		ent->data = av->data;
58 		ent->count = ((ent->addr & 0xffff) != 0xe100) ? count : 1;
59 		ent->pitch = pitch;
60 	}
61 
62 	*ppack = pack;
63 	return 0;
64 }
65 
66 int
gk20a_gr_av_to_init(struct nvkm_blob * blob,struct gf100_gr_pack ** ppack)67 gk20a_gr_av_to_init(struct nvkm_blob *blob, struct gf100_gr_pack **ppack)
68 {
69 	return gk20a_gr_av_to_init_(blob, 1, 1, ppack);
70 }
71 
72 struct gk20a_fw_aiv
73 {
74 	u32 addr;
75 	u32 index;
76 	u32 data;
77 };
78 
79 int
gk20a_gr_aiv_to_init(struct nvkm_blob * blob,struct gf100_gr_pack ** ppack)80 gk20a_gr_aiv_to_init(struct nvkm_blob *blob, struct gf100_gr_pack **ppack)
81 {
82 	struct gf100_gr_init *init;
83 	struct gf100_gr_pack *pack;
84 	int nent;
85 	int i;
86 
87 	nent = (blob->size / sizeof(struct gk20a_fw_aiv));
88 	pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
89 	if (!pack)
90 		return -ENOMEM;
91 
92 	init = (void *)(pack + 2);
93 	pack[0].init = init;
94 
95 	for (i = 0; i < nent; i++) {
96 		struct gf100_gr_init *ent = &init[i];
97 		struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)blob->data)[i];
98 
99 		ent->addr = av->addr;
100 		ent->data = av->data;
101 		ent->count = 1;
102 		ent->pitch = 1;
103 	}
104 
105 	*ppack = pack;
106 	return 0;
107 }
108 
109 int
gk20a_gr_av_to_method(struct nvkm_blob * blob,struct gf100_gr_pack ** ppack)110 gk20a_gr_av_to_method(struct nvkm_blob *blob, struct gf100_gr_pack **ppack)
111 {
112 	struct gf100_gr_init *init;
113 	struct gf100_gr_pack *pack;
114 	/* We don't suppose we will initialize more than 16 classes here... */
115 	static const unsigned int max_classes = 16;
116 	u32 classidx = 0, prevclass = 0;
117 	int nent;
118 	int i;
119 
120 	nent = (blob->size / sizeof(struct gk20a_fw_av));
121 	pack = vzalloc((sizeof(*pack) * (max_classes + 1)) +
122 		       (sizeof(*init) * (nent + max_classes + 1)));
123 	if (!pack)
124 		return -ENOMEM;
125 
126 	init = (void *)(pack + max_classes + 1);
127 
128 	for (i = 0; i < nent; i++, init++) {
129 		struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob->data)[i];
130 		u32 class = av->addr & 0xffff;
131 		u32 addr = (av->addr & 0xffff0000) >> 14;
132 
133 		if (prevclass != class) {
134 			if (prevclass) /* Add terminator to the method list. */
135 				init++;
136 			pack[classidx].init = init;
137 			pack[classidx].type = class;
138 			prevclass = class;
139 			if (++classidx >= max_classes) {
140 				vfree(pack);
141 				return -ENOSPC;
142 			}
143 		}
144 
145 		init->addr = addr;
146 		init->data = av->data;
147 		init->count = 1;
148 		init->pitch = 1;
149 	}
150 
151 	*ppack = pack;
152 	return 0;
153 }
154 
155 static int
gk20a_gr_wait_mem_scrubbing(struct gf100_gr * gr)156 gk20a_gr_wait_mem_scrubbing(struct gf100_gr *gr)
157 {
158 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
159 	struct nvkm_device *device = subdev->device;
160 
161 	if (nvkm_msec(device, 2000,
162 		if (!(nvkm_rd32(device, 0x40910c) & 0x00000006))
163 			break;
164 	) < 0) {
165 		nvkm_error(subdev, "FECS mem scrubbing timeout\n");
166 		return -ETIMEDOUT;
167 	}
168 
169 	if (nvkm_msec(device, 2000,
170 		if (!(nvkm_rd32(device, 0x41a10c) & 0x00000006))
171 			break;
172 	) < 0) {
173 		nvkm_error(subdev, "GPCCS mem scrubbing timeout\n");
174 		return -ETIMEDOUT;
175 	}
176 
177 	return 0;
178 }
179 
180 static void
gk20a_gr_set_hww_esr_report_mask(struct gf100_gr * gr)181 gk20a_gr_set_hww_esr_report_mask(struct gf100_gr *gr)
182 {
183 	struct nvkm_device *device = gr->base.engine.subdev.device;
184 	nvkm_wr32(device, 0x419e44, 0x1ffffe);
185 	nvkm_wr32(device, 0x419e4c, 0x7f);
186 }
187 
188 int
gk20a_gr_init(struct gf100_gr * gr)189 gk20a_gr_init(struct gf100_gr *gr)
190 {
191 	struct nvkm_device *device = gr->base.engine.subdev.device;
192 	int ret;
193 
194 	/* Clear SCC RAM */
195 	nvkm_wr32(device, 0x40802c, 0x1);
196 
197 	gf100_gr_mmio(gr, gr->sw_nonctx);
198 
199 	ret = gk20a_gr_wait_mem_scrubbing(gr);
200 	if (ret)
201 		return ret;
202 
203 	ret = gf100_gr_wait_idle(gr);
204 	if (ret)
205 		return ret;
206 
207 	/* MMU debug buffer */
208 	if (gr->func->init_gpc_mmu)
209 		gr->func->init_gpc_mmu(gr);
210 
211 	/* Set the PE as stream master */
212 	nvkm_mask(device, 0x503018, 0x1, 0x1);
213 
214 	/* Zcull init */
215 	gr->func->init_zcull(gr);
216 
217 	gr->func->init_rop_active_fbps(gr);
218 
219 	/* Enable FIFO access */
220 	nvkm_wr32(device, 0x400500, 0x00010001);
221 
222 	/* Enable interrupts */
223 	nvkm_wr32(device, 0x400100, 0xffffffff);
224 	nvkm_wr32(device, 0x40013c, 0xffffffff);
225 
226 	/* Enable FECS error interrupts */
227 	nvkm_wr32(device, 0x409c24, 0x000f0000);
228 
229 	/* Enable hardware warning exceptions */
230 	nvkm_wr32(device, 0x404000, 0xc0000000);
231 	nvkm_wr32(device, 0x404600, 0xc0000000);
232 
233 	if (gr->func->set_hww_esr_report_mask)
234 		gr->func->set_hww_esr_report_mask(gr);
235 
236 	/* Enable TPC exceptions per GPC */
237 	nvkm_wr32(device, 0x419d0c, 0x2);
238 	nvkm_wr32(device, 0x41ac94, (((1 << gr->tpc_total) - 1) & 0xff) << 16);
239 
240 	/* Reset and enable all exceptions */
241 	nvkm_wr32(device, 0x400108, 0xffffffff);
242 	nvkm_wr32(device, 0x400138, 0xffffffff);
243 	nvkm_wr32(device, 0x400118, 0xffffffff);
244 	nvkm_wr32(device, 0x400130, 0xffffffff);
245 	nvkm_wr32(device, 0x40011c, 0xffffffff);
246 	nvkm_wr32(device, 0x400134, 0xffffffff);
247 
248 	gf100_gr_zbc_init(gr);
249 
250 	return gf100_gr_init_ctxctl(gr);
251 }
252 
253 static const struct gf100_gr_func
254 gk20a_gr = {
255 	.oneinit_tiles = gf100_gr_oneinit_tiles,
256 	.oneinit_sm_id = gf100_gr_oneinit_sm_id,
257 	.init = gk20a_gr_init,
258 	.init_zcull = gf117_gr_init_zcull,
259 	.init_rop_active_fbps = gk104_gr_init_rop_active_fbps,
260 	.trap_mp = gf100_gr_trap_mp,
261 	.set_hww_esr_report_mask = gk20a_gr_set_hww_esr_report_mask,
262 	.fecs.reset = gf100_gr_fecs_reset,
263 	.rops = gf100_gr_rops,
264 	.ppc_nr = 1,
265 	.grctx = &gk20a_grctx,
266 	.zbc = &gf100_gr_zbc,
267 	.sclass = {
268 		{ -1, -1, FERMI_TWOD_A },
269 		{ -1, -1, KEPLER_INLINE_TO_MEMORY_A },
270 		{ -1, -1, KEPLER_C, &gf100_fermi },
271 		{ -1, -1, KEPLER_COMPUTE_A },
272 		{}
273 	}
274 };
275 
276 int
gk20a_gr_load_net(struct gf100_gr * gr,const char * path,const char * name,int ver,int (* load)(struct nvkm_blob *,struct gf100_gr_pack **),struct gf100_gr_pack ** ppack)277 gk20a_gr_load_net(struct gf100_gr *gr, const char *path, const char *name, int ver,
278 		  int (*load)(struct nvkm_blob *, struct gf100_gr_pack **),
279 		  struct gf100_gr_pack **ppack)
280 {
281 	struct nvkm_blob blob;
282 	int ret;
283 
284 	ret = nvkm_firmware_load_blob(&gr->base.engine.subdev, path, name, ver, &blob);
285 	if (ret)
286 		return ret;
287 
288 	ret = load(&blob, ppack);
289 	nvkm_blob_dtor(&blob);
290 	return 0;
291 }
292 
293 int
gk20a_gr_load_sw(struct gf100_gr * gr,const char * path,int ver)294 gk20a_gr_load_sw(struct gf100_gr *gr, const char *path, int ver)
295 {
296 	if (gk20a_gr_load_net(gr, path, "sw_nonctx", ver, gk20a_gr_av_to_init, &gr->sw_nonctx) ||
297 	    gk20a_gr_load_net(gr, path, "sw_ctx", ver, gk20a_gr_aiv_to_init, &gr->sw_ctx) ||
298 	    gk20a_gr_load_net(gr, path, "sw_bundle_init", ver, gk20a_gr_av_to_init, &gr->bundle) ||
299 	    gk20a_gr_load_net(gr, path, "sw_method_init", ver, gk20a_gr_av_to_method, &gr->method))
300 		return -ENOENT;
301 
302 	return 0;
303 }
304 
305 #if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
306 MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
307 MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
308 MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
309 MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
310 MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
311 MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
312 MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
313 MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
314 #endif
315 
316 static int
gk20a_gr_load(struct gf100_gr * gr,int ver,const struct gf100_gr_fwif * fwif)317 gk20a_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
318 {
319 	struct nvkm_subdev *subdev = &gr->base.engine.subdev;
320 
321 	if (nvkm_firmware_load_blob(subdev, "", "fecs_inst", ver,
322 				    &gr->fecs.inst) ||
323 	    nvkm_firmware_load_blob(subdev, "", "fecs_data", ver,
324 				    &gr->fecs.data) ||
325 	    nvkm_firmware_load_blob(subdev, "", "gpccs_inst", ver,
326 				    &gr->gpccs.inst) ||
327 	    nvkm_firmware_load_blob(subdev, "", "gpccs_data", ver,
328 				    &gr->gpccs.data))
329 		return -ENOENT;
330 
331 	gr->firmware = true;
332 
333 	return gk20a_gr_load_sw(gr, "", ver);
334 }
335 
336 static const struct gf100_gr_fwif
337 gk20a_gr_fwif[] = {
338 	{ 0, gk20a_gr_load, &gk20a_gr },
339 	{}
340 };
341 
342 int
gk20a_gr_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_gr ** pgr)343 gk20a_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
344 {
345 	return gf100_gr_new_(gk20a_gr_fwif, device, type, inst, pgr);
346 }
347