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 static int
gk20a_gr_av_to_init(struct gf100_gr * gr,const char * path,const char * name,int ver,struct gf100_gr_pack ** ppack)37 gk20a_gr_av_to_init(struct gf100_gr *gr, const char *path, const char *name,
38 int ver, struct gf100_gr_pack **ppack)
39 {
40 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
41 struct nvkm_blob blob;
42 struct gf100_gr_init *init;
43 struct gf100_gr_pack *pack;
44 int nent;
45 int ret;
46 int i;
47
48 ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
49 if (ret)
50 return ret;
51
52 nent = (blob.size / sizeof(struct gk20a_fw_av));
53 pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
54 if (!pack) {
55 ret = -ENOMEM;
56 goto end;
57 }
58
59 init = (void *)(pack + 2);
60 pack[0].init = init;
61
62 for (i = 0; i < nent; i++) {
63 struct gf100_gr_init *ent = &init[i];
64 struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob.data)[i];
65
66 ent->addr = av->addr;
67 ent->data = av->data;
68 ent->count = 1;
69 ent->pitch = 1;
70 }
71
72 *ppack = pack;
73
74 end:
75 nvkm_blob_dtor(&blob);
76 return ret;
77 }
78
79 struct gk20a_fw_aiv
80 {
81 u32 addr;
82 u32 index;
83 u32 data;
84 };
85
86 static int
gk20a_gr_aiv_to_init(struct gf100_gr * gr,const char * path,const char * name,int ver,struct gf100_gr_pack ** ppack)87 gk20a_gr_aiv_to_init(struct gf100_gr *gr, const char *path, const char *name,
88 int ver, struct gf100_gr_pack **ppack)
89 {
90 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
91 struct nvkm_blob blob;
92 struct gf100_gr_init *init;
93 struct gf100_gr_pack *pack;
94 int nent;
95 int ret;
96 int i;
97
98 ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
99 if (ret)
100 return ret;
101
102 nent = (blob.size / sizeof(struct gk20a_fw_aiv));
103 pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
104 if (!pack) {
105 ret = -ENOMEM;
106 goto end;
107 }
108
109 init = (void *)(pack + 2);
110 pack[0].init = init;
111
112 for (i = 0; i < nent; i++) {
113 struct gf100_gr_init *ent = &init[i];
114 struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)blob.data)[i];
115
116 ent->addr = av->addr;
117 ent->data = av->data;
118 ent->count = 1;
119 ent->pitch = 1;
120 }
121
122 *ppack = pack;
123
124 end:
125 nvkm_blob_dtor(&blob);
126 return ret;
127 }
128
129 static int
gk20a_gr_av_to_method(struct gf100_gr * gr,const char * path,const char * name,int ver,struct gf100_gr_pack ** ppack)130 gk20a_gr_av_to_method(struct gf100_gr *gr, const char *path, const char *name,
131 int ver, struct gf100_gr_pack **ppack)
132 {
133 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
134 struct nvkm_blob blob;
135 struct gf100_gr_init *init;
136 struct gf100_gr_pack *pack;
137 /* We don't suppose we will initialize more than 16 classes here... */
138 static const unsigned int max_classes = 16;
139 u32 classidx = 0, prevclass = 0;
140 int nent;
141 int ret;
142 int i;
143
144 ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
145 if (ret)
146 return ret;
147
148 nent = (blob.size / sizeof(struct gk20a_fw_av));
149
150 pack = vzalloc((sizeof(*pack) * (max_classes + 1)) +
151 (sizeof(*init) * (nent + max_classes + 1)));
152 if (!pack) {
153 ret = -ENOMEM;
154 goto end;
155 }
156
157 init = (void *)(pack + max_classes + 1);
158
159 for (i = 0; i < nent; i++, init++) {
160 struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob.data)[i];
161 u32 class = av->addr & 0xffff;
162 u32 addr = (av->addr & 0xffff0000) >> 14;
163
164 if (prevclass != class) {
165 if (prevclass) /* Add terminator to the method list. */
166 init++;
167 pack[classidx].init = init;
168 pack[classidx].type = class;
169 prevclass = class;
170 if (++classidx >= max_classes) {
171 vfree(pack);
172 ret = -ENOSPC;
173 goto end;
174 }
175 }
176
177 init->addr = addr;
178 init->data = av->data;
179 init->count = 1;
180 init->pitch = 1;
181 }
182
183 *ppack = pack;
184
185 end:
186 nvkm_blob_dtor(&blob);
187 return ret;
188 }
189
190 static int
gk20a_gr_wait_mem_scrubbing(struct gf100_gr * gr)191 gk20a_gr_wait_mem_scrubbing(struct gf100_gr *gr)
192 {
193 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
194 struct nvkm_device *device = subdev->device;
195
196 if (nvkm_msec(device, 2000,
197 if (!(nvkm_rd32(device, 0x40910c) & 0x00000006))
198 break;
199 ) < 0) {
200 nvkm_error(subdev, "FECS mem scrubbing timeout\n");
201 return -ETIMEDOUT;
202 }
203
204 if (nvkm_msec(device, 2000,
205 if (!(nvkm_rd32(device, 0x41a10c) & 0x00000006))
206 break;
207 ) < 0) {
208 nvkm_error(subdev, "GPCCS mem scrubbing timeout\n");
209 return -ETIMEDOUT;
210 }
211
212 return 0;
213 }
214
215 static void
gk20a_gr_set_hww_esr_report_mask(struct gf100_gr * gr)216 gk20a_gr_set_hww_esr_report_mask(struct gf100_gr *gr)
217 {
218 struct nvkm_device *device = gr->base.engine.subdev.device;
219 nvkm_wr32(device, 0x419e44, 0x1ffffe);
220 nvkm_wr32(device, 0x419e4c, 0x7f);
221 }
222
223 int
gk20a_gr_init(struct gf100_gr * gr)224 gk20a_gr_init(struct gf100_gr *gr)
225 {
226 struct nvkm_device *device = gr->base.engine.subdev.device;
227 int ret;
228
229 /* Clear SCC RAM */
230 nvkm_wr32(device, 0x40802c, 0x1);
231
232 gf100_gr_mmio(gr, gr->sw_nonctx);
233
234 ret = gk20a_gr_wait_mem_scrubbing(gr);
235 if (ret)
236 return ret;
237
238 ret = gf100_gr_wait_idle(gr);
239 if (ret)
240 return ret;
241
242 /* MMU debug buffer */
243 if (gr->func->init_gpc_mmu)
244 gr->func->init_gpc_mmu(gr);
245
246 /* Set the PE as stream master */
247 nvkm_mask(device, 0x503018, 0x1, 0x1);
248
249 /* Zcull init */
250 gr->func->init_zcull(gr);
251
252 gr->func->init_rop_active_fbps(gr);
253
254 /* Enable FIFO access */
255 nvkm_wr32(device, 0x400500, 0x00010001);
256
257 /* Enable interrupts */
258 nvkm_wr32(device, 0x400100, 0xffffffff);
259 nvkm_wr32(device, 0x40013c, 0xffffffff);
260
261 /* Enable FECS error interrupts */
262 nvkm_wr32(device, 0x409c24, 0x000f0000);
263
264 /* Enable hardware warning exceptions */
265 nvkm_wr32(device, 0x404000, 0xc0000000);
266 nvkm_wr32(device, 0x404600, 0xc0000000);
267
268 if (gr->func->set_hww_esr_report_mask)
269 gr->func->set_hww_esr_report_mask(gr);
270
271 /* Enable TPC exceptions per GPC */
272 nvkm_wr32(device, 0x419d0c, 0x2);
273 nvkm_wr32(device, 0x41ac94, (((1 << gr->tpc_total) - 1) & 0xff) << 16);
274
275 /* Reset and enable all exceptions */
276 nvkm_wr32(device, 0x400108, 0xffffffff);
277 nvkm_wr32(device, 0x400138, 0xffffffff);
278 nvkm_wr32(device, 0x400118, 0xffffffff);
279 nvkm_wr32(device, 0x400130, 0xffffffff);
280 nvkm_wr32(device, 0x40011c, 0xffffffff);
281 nvkm_wr32(device, 0x400134, 0xffffffff);
282
283 gf100_gr_zbc_init(gr);
284
285 return gf100_gr_init_ctxctl(gr);
286 }
287
288 static const struct gf100_gr_func
289 gk20a_gr = {
290 .oneinit_tiles = gf100_gr_oneinit_tiles,
291 .oneinit_sm_id = gf100_gr_oneinit_sm_id,
292 .init = gk20a_gr_init,
293 .init_zcull = gf117_gr_init_zcull,
294 .init_rop_active_fbps = gk104_gr_init_rop_active_fbps,
295 .trap_mp = gf100_gr_trap_mp,
296 .set_hww_esr_report_mask = gk20a_gr_set_hww_esr_report_mask,
297 .rops = gf100_gr_rops,
298 .ppc_nr = 1,
299 .grctx = &gk20a_grctx,
300 .zbc = &gf100_gr_zbc,
301 .sclass = {
302 { -1, -1, FERMI_TWOD_A },
303 { -1, -1, KEPLER_INLINE_TO_MEMORY_A },
304 { -1, -1, KEPLER_C, &gf100_fermi },
305 { -1, -1, KEPLER_COMPUTE_A },
306 {}
307 }
308 };
309
310 int
gk20a_gr_load_sw(struct gf100_gr * gr,const char * path,int ver)311 gk20a_gr_load_sw(struct gf100_gr *gr, const char *path, int ver)
312 {
313 if (gk20a_gr_av_to_init(gr, path, "sw_nonctx", ver, &gr->sw_nonctx) ||
314 gk20a_gr_aiv_to_init(gr, path, "sw_ctx", ver, &gr->sw_ctx) ||
315 gk20a_gr_av_to_init(gr, path, "sw_bundle_init", ver, &gr->bundle) ||
316 gk20a_gr_av_to_method(gr, path, "sw_method_init", ver, &gr->method))
317 return -ENOENT;
318
319 return 0;
320 }
321
322 #if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
323 MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
324 MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
325 MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
326 MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
327 MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
328 MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
329 MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
330 MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
331 #endif
332
333 static int
gk20a_gr_load(struct gf100_gr * gr,int ver,const struct gf100_gr_fwif * fwif)334 gk20a_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
335 {
336 struct nvkm_subdev *subdev = &gr->base.engine.subdev;
337
338 if (nvkm_firmware_load_blob(subdev, "", "fecs_inst", ver,
339 &gr->fecs.inst) ||
340 nvkm_firmware_load_blob(subdev, "", "fecs_data", ver,
341 &gr->fecs.data) ||
342 nvkm_firmware_load_blob(subdev, "", "gpccs_inst", ver,
343 &gr->gpccs.inst) ||
344 nvkm_firmware_load_blob(subdev, "", "gpccs_data", ver,
345 &gr->gpccs.data))
346 return -ENOENT;
347
348 gr->firmware = true;
349
350 return gk20a_gr_load_sw(gr, "", ver);
351 }
352
353 static const struct gf100_gr_fwif
354 gk20a_gr_fwif[] = {
355 { 0, gk20a_gr_load, &gk20a_gr },
356 {}
357 };
358
359 int
gk20a_gr_new(struct nvkm_device * device,int index,struct nvkm_gr ** pgr)360 gk20a_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
361 {
362 return gf100_gr_new_(gk20a_gr_fwif, device, index, pgr);
363 }
364