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aaa36a97 AD |
1 | /* |
2 | * Copyright 2014 Advanced Micro Devices, Inc. | |
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | */ | |
23 | #include <linux/firmware.h> | |
24 | #include "drmP.h" | |
25 | #include "amdgpu.h" | |
26 | #include "gmc_v8_0.h" | |
27 | #include "amdgpu_ucode.h" | |
28 | ||
29 | #include "gmc/gmc_8_1_d.h" | |
30 | #include "gmc/gmc_8_1_sh_mask.h" | |
31 | ||
32 | #include "bif/bif_5_0_d.h" | |
33 | #include "bif/bif_5_0_sh_mask.h" | |
34 | ||
35 | #include "oss/oss_3_0_d.h" | |
36 | #include "oss/oss_3_0_sh_mask.h" | |
37 | ||
38 | #include "vid.h" | |
39 | #include "vi.h" | |
40 | ||
81c59f54 | 41 | |
aaa36a97 AD |
42 | static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev); |
43 | static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev); | |
34e3205e | 44 | static int gmc_v8_0_wait_for_idle(void *handle); |
aaa36a97 | 45 | |
c65444fe | 46 | MODULE_FIRMWARE("amdgpu/tonga_mc.bin"); |
2cc0c0b5 FC |
47 | MODULE_FIRMWARE("amdgpu/polaris11_mc.bin"); |
48 | MODULE_FIRMWARE("amdgpu/polaris10_mc.bin"); | |
aaa36a97 AD |
49 | |
50 | static const u32 golden_settings_tonga_a11[] = | |
51 | { | |
52 | mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, | |
53 | mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028, | |
54 | mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991, | |
55 | mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
56 | mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
57 | mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
58 | mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
59 | }; | |
60 | ||
61 | static const u32 tonga_mgcg_cgcg_init[] = | |
62 | { | |
63 | mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 | |
64 | }; | |
65 | ||
127a2628 DZ |
66 | static const u32 golden_settings_fiji_a10[] = |
67 | { | |
68 | mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
69 | mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
70 | mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
71 | mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
72 | }; | |
73 | ||
74 | static const u32 fiji_mgcg_cgcg_init[] = | |
75 | { | |
76 | mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 | |
77 | }; | |
78 | ||
2cc0c0b5 | 79 | static const u32 golden_settings_polaris11_a11[] = |
c9778572 FC |
80 | { |
81 | mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
82 | mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
83 | mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
84 | mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff | |
85 | }; | |
86 | ||
2cc0c0b5 | 87 | static const u32 golden_settings_polaris10_a11[] = |
c9778572 FC |
88 | { |
89 | mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000, | |
90 | mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
91 | mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
92 | mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
93 | mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff | |
94 | }; | |
95 | ||
aaa36a97 AD |
96 | static const u32 cz_mgcg_cgcg_init[] = |
97 | { | |
98 | mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 | |
99 | }; | |
100 | ||
aade2f04 SL |
101 | static const u32 stoney_mgcg_cgcg_init[] = |
102 | { | |
103 | mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 | |
104 | }; | |
105 | ||
6d51c813 HR |
106 | static const u32 golden_settings_stoney_common[] = |
107 | { | |
108 | mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004, | |
109 | mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000 | |
110 | }; | |
aade2f04 | 111 | |
aaa36a97 AD |
112 | static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev) |
113 | { | |
114 | switch (adev->asic_type) { | |
127a2628 DZ |
115 | case CHIP_FIJI: |
116 | amdgpu_program_register_sequence(adev, | |
117 | fiji_mgcg_cgcg_init, | |
118 | (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init)); | |
119 | amdgpu_program_register_sequence(adev, | |
120 | golden_settings_fiji_a10, | |
121 | (const u32)ARRAY_SIZE(golden_settings_fiji_a10)); | |
122 | break; | |
aaa36a97 AD |
123 | case CHIP_TONGA: |
124 | amdgpu_program_register_sequence(adev, | |
125 | tonga_mgcg_cgcg_init, | |
126 | (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init)); | |
127 | amdgpu_program_register_sequence(adev, | |
128 | golden_settings_tonga_a11, | |
129 | (const u32)ARRAY_SIZE(golden_settings_tonga_a11)); | |
130 | break; | |
2cc0c0b5 | 131 | case CHIP_POLARIS11: |
c9778572 | 132 | amdgpu_program_register_sequence(adev, |
2cc0c0b5 FC |
133 | golden_settings_polaris11_a11, |
134 | (const u32)ARRAY_SIZE(golden_settings_polaris11_a11)); | |
c9778572 | 135 | break; |
2cc0c0b5 | 136 | case CHIP_POLARIS10: |
c9778572 | 137 | amdgpu_program_register_sequence(adev, |
2cc0c0b5 FC |
138 | golden_settings_polaris10_a11, |
139 | (const u32)ARRAY_SIZE(golden_settings_polaris10_a11)); | |
c9778572 | 140 | break; |
aaa36a97 AD |
141 | case CHIP_CARRIZO: |
142 | amdgpu_program_register_sequence(adev, | |
143 | cz_mgcg_cgcg_init, | |
144 | (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init)); | |
145 | break; | |
aade2f04 SL |
146 | case CHIP_STONEY: |
147 | amdgpu_program_register_sequence(adev, | |
148 | stoney_mgcg_cgcg_init, | |
149 | (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init)); | |
6d51c813 HR |
150 | amdgpu_program_register_sequence(adev, |
151 | golden_settings_stoney_common, | |
152 | (const u32)ARRAY_SIZE(golden_settings_stoney_common)); | |
aade2f04 | 153 | break; |
aaa36a97 AD |
154 | default: |
155 | break; | |
156 | } | |
157 | } | |
158 | ||
ccd73f24 AD |
159 | static void gmc_v8_0_mc_stop(struct amdgpu_device *adev, |
160 | struct amdgpu_mode_mc_save *save) | |
aaa36a97 AD |
161 | { |
162 | u32 blackout; | |
163 | ||
164 | if (adev->mode_info.num_crtc) | |
165 | amdgpu_display_stop_mc_access(adev, save); | |
166 | ||
34e3205e | 167 | gmc_v8_0_wait_for_idle(adev); |
aaa36a97 AD |
168 | |
169 | blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); | |
170 | if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { | |
171 | /* Block CPU access */ | |
172 | WREG32(mmBIF_FB_EN, 0); | |
173 | /* blackout the MC */ | |
174 | blackout = REG_SET_FIELD(blackout, | |
175 | MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1); | |
176 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); | |
177 | } | |
178 | /* wait for the MC to settle */ | |
179 | udelay(100); | |
180 | } | |
181 | ||
ccd73f24 AD |
182 | static void gmc_v8_0_mc_resume(struct amdgpu_device *adev, |
183 | struct amdgpu_mode_mc_save *save) | |
aaa36a97 AD |
184 | { |
185 | u32 tmp; | |
186 | ||
187 | /* unblackout the MC */ | |
188 | tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); | |
189 | tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); | |
190 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); | |
191 | /* allow CPU access */ | |
192 | tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); | |
193 | tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); | |
194 | WREG32(mmBIF_FB_EN, tmp); | |
195 | ||
196 | if (adev->mode_info.num_crtc) | |
197 | amdgpu_display_resume_mc_access(adev, save); | |
198 | } | |
199 | ||
200 | /** | |
201 | * gmc_v8_0_init_microcode - load ucode images from disk | |
202 | * | |
203 | * @adev: amdgpu_device pointer | |
204 | * | |
205 | * Use the firmware interface to load the ucode images into | |
206 | * the driver (not loaded into hw). | |
207 | * Returns 0 on success, error on failure. | |
208 | */ | |
209 | static int gmc_v8_0_init_microcode(struct amdgpu_device *adev) | |
210 | { | |
211 | const char *chip_name; | |
212 | char fw_name[30]; | |
213 | int err; | |
214 | ||
215 | DRM_DEBUG("\n"); | |
216 | ||
217 | switch (adev->asic_type) { | |
aaa36a97 AD |
218 | case CHIP_TONGA: |
219 | chip_name = "tonga"; | |
220 | break; | |
2cc0c0b5 FC |
221 | case CHIP_POLARIS11: |
222 | chip_name = "polaris11"; | |
c9778572 | 223 | break; |
2cc0c0b5 FC |
224 | case CHIP_POLARIS10: |
225 | chip_name = "polaris10"; | |
c9778572 | 226 | break; |
127a2628 | 227 | case CHIP_FIJI: |
aaa36a97 | 228 | case CHIP_CARRIZO: |
aade2f04 | 229 | case CHIP_STONEY: |
aaa36a97 AD |
230 | return 0; |
231 | default: BUG(); | |
232 | } | |
233 | ||
c65444fe | 234 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); |
aaa36a97 AD |
235 | err = request_firmware(&adev->mc.fw, fw_name, adev->dev); |
236 | if (err) | |
237 | goto out; | |
238 | err = amdgpu_ucode_validate(adev->mc.fw); | |
239 | ||
240 | out: | |
241 | if (err) { | |
242 | printk(KERN_ERR | |
243 | "mc: Failed to load firmware \"%s\"\n", | |
244 | fw_name); | |
245 | release_firmware(adev->mc.fw); | |
246 | adev->mc.fw = NULL; | |
247 | } | |
248 | return err; | |
249 | } | |
250 | ||
251 | /** | |
252 | * gmc_v8_0_mc_load_microcode - load MC ucode into the hw | |
253 | * | |
254 | * @adev: amdgpu_device pointer | |
255 | * | |
256 | * Load the GDDR MC ucode into the hw (CIK). | |
257 | * Returns 0 on success, error on failure. | |
258 | */ | |
259 | static int gmc_v8_0_mc_load_microcode(struct amdgpu_device *adev) | |
260 | { | |
261 | const struct mc_firmware_header_v1_0 *hdr; | |
262 | const __le32 *fw_data = NULL; | |
263 | const __le32 *io_mc_regs = NULL; | |
264 | u32 running, blackout = 0; | |
265 | int i, ucode_size, regs_size; | |
266 | ||
267 | if (!adev->mc.fw) | |
268 | return -EINVAL; | |
269 | ||
c12d2871 AD |
270 | /* Skip MC ucode loading on SR-IOV capable boards. |
271 | * vbios does this for us in asic_init in that case. | |
272 | */ | |
273 | if (adev->virtualization.supports_sr_iov) | |
274 | return 0; | |
275 | ||
aaa36a97 AD |
276 | hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; |
277 | amdgpu_ucode_print_mc_hdr(&hdr->header); | |
278 | ||
279 | adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version); | |
280 | regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); | |
281 | io_mc_regs = (const __le32 *) | |
282 | (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); | |
283 | ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
284 | fw_data = (const __le32 *) | |
285 | (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
286 | ||
287 | running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); | |
288 | ||
289 | if (running == 0) { | |
290 | if (running) { | |
291 | blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); | |
292 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); | |
293 | } | |
294 | ||
295 | /* reset the engine and set to writable */ | |
296 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); | |
297 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); | |
298 | ||
299 | /* load mc io regs */ | |
300 | for (i = 0; i < regs_size; i++) { | |
301 | WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); | |
302 | WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); | |
303 | } | |
304 | /* load the MC ucode */ | |
305 | for (i = 0; i < ucode_size; i++) | |
306 | WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); | |
307 | ||
308 | /* put the engine back into the active state */ | |
309 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); | |
310 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); | |
311 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); | |
312 | ||
313 | /* wait for training to complete */ | |
314 | for (i = 0; i < adev->usec_timeout; i++) { | |
315 | if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), | |
316 | MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) | |
317 | break; | |
318 | udelay(1); | |
319 | } | |
320 | for (i = 0; i < adev->usec_timeout; i++) { | |
321 | if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), | |
322 | MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) | |
323 | break; | |
324 | udelay(1); | |
325 | } | |
326 | ||
327 | if (running) | |
328 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); | |
329 | } | |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
334 | static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev, | |
335 | struct amdgpu_mc *mc) | |
336 | { | |
337 | if (mc->mc_vram_size > 0xFFC0000000ULL) { | |
338 | /* leave room for at least 1024M GTT */ | |
339 | dev_warn(adev->dev, "limiting VRAM\n"); | |
340 | mc->real_vram_size = 0xFFC0000000ULL; | |
341 | mc->mc_vram_size = 0xFFC0000000ULL; | |
342 | } | |
343 | amdgpu_vram_location(adev, &adev->mc, 0); | |
344 | adev->mc.gtt_base_align = 0; | |
345 | amdgpu_gtt_location(adev, mc); | |
346 | } | |
347 | ||
348 | /** | |
349 | * gmc_v8_0_mc_program - program the GPU memory controller | |
350 | * | |
351 | * @adev: amdgpu_device pointer | |
352 | * | |
353 | * Set the location of vram, gart, and AGP in the GPU's | |
354 | * physical address space (CIK). | |
355 | */ | |
356 | static void gmc_v8_0_mc_program(struct amdgpu_device *adev) | |
357 | { | |
358 | struct amdgpu_mode_mc_save save; | |
359 | u32 tmp; | |
360 | int i, j; | |
361 | ||
362 | /* Initialize HDP */ | |
363 | for (i = 0, j = 0; i < 32; i++, j += 0x6) { | |
364 | WREG32((0xb05 + j), 0x00000000); | |
365 | WREG32((0xb06 + j), 0x00000000); | |
366 | WREG32((0xb07 + j), 0x00000000); | |
367 | WREG32((0xb08 + j), 0x00000000); | |
368 | WREG32((0xb09 + j), 0x00000000); | |
369 | } | |
370 | WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); | |
371 | ||
372 | if (adev->mode_info.num_crtc) | |
373 | amdgpu_display_set_vga_render_state(adev, false); | |
374 | ||
375 | gmc_v8_0_mc_stop(adev, &save); | |
34e3205e | 376 | if (gmc_v8_0_wait_for_idle((void *)adev)) { |
aaa36a97 AD |
377 | dev_warn(adev->dev, "Wait for MC idle timedout !\n"); |
378 | } | |
379 | /* Update configuration */ | |
380 | WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, | |
381 | adev->mc.vram_start >> 12); | |
382 | WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, | |
383 | adev->mc.vram_end >> 12); | |
384 | WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, | |
385 | adev->vram_scratch.gpu_addr >> 12); | |
386 | tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16; | |
387 | tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF); | |
388 | WREG32(mmMC_VM_FB_LOCATION, tmp); | |
389 | /* XXX double check these! */ | |
390 | WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8)); | |
391 | WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); | |
392 | WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF); | |
393 | WREG32(mmMC_VM_AGP_BASE, 0); | |
394 | WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); | |
395 | WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); | |
34e3205e | 396 | if (gmc_v8_0_wait_for_idle((void *)adev)) { |
aaa36a97 AD |
397 | dev_warn(adev->dev, "Wait for MC idle timedout !\n"); |
398 | } | |
399 | gmc_v8_0_mc_resume(adev, &save); | |
400 | ||
401 | WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); | |
402 | ||
403 | tmp = RREG32(mmHDP_MISC_CNTL); | |
13459bd0 | 404 | tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0); |
aaa36a97 AD |
405 | WREG32(mmHDP_MISC_CNTL, tmp); |
406 | ||
407 | tmp = RREG32(mmHDP_HOST_PATH_CNTL); | |
408 | WREG32(mmHDP_HOST_PATH_CNTL, tmp); | |
409 | } | |
410 | ||
411 | /** | |
412 | * gmc_v8_0_mc_init - initialize the memory controller driver params | |
413 | * | |
414 | * @adev: amdgpu_device pointer | |
415 | * | |
416 | * Look up the amount of vram, vram width, and decide how to place | |
417 | * vram and gart within the GPU's physical address space (CIK). | |
418 | * Returns 0 for success. | |
419 | */ | |
420 | static int gmc_v8_0_mc_init(struct amdgpu_device *adev) | |
421 | { | |
422 | u32 tmp; | |
423 | int chansize, numchan; | |
424 | ||
425 | /* Get VRAM informations */ | |
426 | tmp = RREG32(mmMC_ARB_RAMCFG); | |
427 | if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) { | |
428 | chansize = 64; | |
429 | } else { | |
430 | chansize = 32; | |
431 | } | |
432 | tmp = RREG32(mmMC_SHARED_CHMAP); | |
433 | switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { | |
434 | case 0: | |
435 | default: | |
436 | numchan = 1; | |
437 | break; | |
438 | case 1: | |
439 | numchan = 2; | |
440 | break; | |
441 | case 2: | |
442 | numchan = 4; | |
443 | break; | |
444 | case 3: | |
445 | numchan = 8; | |
446 | break; | |
447 | case 4: | |
448 | numchan = 3; | |
449 | break; | |
450 | case 5: | |
451 | numchan = 6; | |
452 | break; | |
453 | case 6: | |
454 | numchan = 10; | |
455 | break; | |
456 | case 7: | |
457 | numchan = 12; | |
458 | break; | |
459 | case 8: | |
460 | numchan = 16; | |
461 | break; | |
462 | } | |
463 | adev->mc.vram_width = numchan * chansize; | |
464 | /* Could aper size report 0 ? */ | |
465 | adev->mc.aper_base = pci_resource_start(adev->pdev, 0); | |
466 | adev->mc.aper_size = pci_resource_len(adev->pdev, 0); | |
467 | /* size in MB on si */ | |
468 | adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; | |
469 | adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; | |
470 | adev->mc.visible_vram_size = adev->mc.aper_size; | |
471 | ||
a1493cd5 AD |
472 | /* In case the PCI BAR is larger than the actual amount of vram */ |
473 | if (adev->mc.visible_vram_size > adev->mc.real_vram_size) | |
474 | adev->mc.visible_vram_size = adev->mc.real_vram_size; | |
475 | ||
aaa36a97 AD |
476 | /* unless the user had overridden it, set the gart |
477 | * size equal to the 1024 or vram, whichever is larger. | |
478 | */ | |
479 | if (amdgpu_gart_size == -1) | |
480 | adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size); | |
481 | else | |
482 | adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; | |
483 | ||
484 | gmc_v8_0_vram_gtt_location(adev, &adev->mc); | |
485 | ||
486 | return 0; | |
487 | } | |
488 | ||
489 | /* | |
490 | * GART | |
491 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
492 | * VMIDs 1-15 are used for userspace clients and are handled | |
493 | * by the amdgpu vm/hsa code. | |
494 | */ | |
495 | ||
496 | /** | |
497 | * gmc_v8_0_gart_flush_gpu_tlb - gart tlb flush callback | |
498 | * | |
499 | * @adev: amdgpu_device pointer | |
500 | * @vmid: vm instance to flush | |
501 | * | |
502 | * Flush the TLB for the requested page table (CIK). | |
503 | */ | |
504 | static void gmc_v8_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, | |
505 | uint32_t vmid) | |
506 | { | |
507 | /* flush hdp cache */ | |
508 | WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); | |
509 | ||
510 | /* bits 0-15 are the VM contexts0-15 */ | |
511 | WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); | |
512 | } | |
513 | ||
514 | /** | |
515 | * gmc_v8_0_gart_set_pte_pde - update the page tables using MMIO | |
516 | * | |
517 | * @adev: amdgpu_device pointer | |
518 | * @cpu_pt_addr: cpu address of the page table | |
519 | * @gpu_page_idx: entry in the page table to update | |
520 | * @addr: dst addr to write into pte/pde | |
521 | * @flags: access flags | |
522 | * | |
523 | * Update the page tables using the CPU. | |
524 | */ | |
525 | static int gmc_v8_0_gart_set_pte_pde(struct amdgpu_device *adev, | |
526 | void *cpu_pt_addr, | |
527 | uint32_t gpu_page_idx, | |
528 | uint64_t addr, | |
529 | uint32_t flags) | |
530 | { | |
531 | void __iomem *ptr = (void *)cpu_pt_addr; | |
532 | uint64_t value; | |
533 | ||
534 | /* | |
535 | * PTE format on VI: | |
536 | * 63:40 reserved | |
537 | * 39:12 4k physical page base address | |
538 | * 11:7 fragment | |
539 | * 6 write | |
540 | * 5 read | |
541 | * 4 exe | |
542 | * 3 reserved | |
543 | * 2 snooped | |
544 | * 1 system | |
545 | * 0 valid | |
546 | * | |
547 | * PDE format on VI: | |
548 | * 63:59 block fragment size | |
549 | * 58:40 reserved | |
550 | * 39:1 physical base address of PTE | |
551 | * bits 5:1 must be 0. | |
552 | * 0 valid | |
553 | */ | |
554 | value = addr & 0x000000FFFFFFF000ULL; | |
555 | value |= flags; | |
556 | writeq(value, ptr + (gpu_page_idx * 8)); | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
d9c13156 CK |
561 | /** |
562 | * gmc_v8_0_set_fault_enable_default - update VM fault handling | |
563 | * | |
564 | * @adev: amdgpu_device pointer | |
565 | * @value: true redirects VM faults to the default page | |
566 | */ | |
567 | static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev, | |
568 | bool value) | |
569 | { | |
570 | u32 tmp; | |
571 | ||
572 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
573 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
574 | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
575 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
576 | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
577 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
578 | PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
579 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
580 | VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
581 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
582 | READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
583 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
584 | WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
585 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
586 | EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
587 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
588 | } | |
589 | ||
aaa36a97 AD |
590 | /** |
591 | * gmc_v8_0_gart_enable - gart enable | |
592 | * | |
593 | * @adev: amdgpu_device pointer | |
594 | * | |
595 | * This sets up the TLBs, programs the page tables for VMID0, | |
596 | * sets up the hw for VMIDs 1-15 which are allocated on | |
597 | * demand, and sets up the global locations for the LDS, GDS, | |
598 | * and GPUVM for FSA64 clients (CIK). | |
599 | * Returns 0 for success, errors for failure. | |
600 | */ | |
601 | static int gmc_v8_0_gart_enable(struct amdgpu_device *adev) | |
602 | { | |
603 | int r, i; | |
604 | u32 tmp; | |
605 | ||
606 | if (adev->gart.robj == NULL) { | |
607 | dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); | |
608 | return -EINVAL; | |
609 | } | |
610 | r = amdgpu_gart_table_vram_pin(adev); | |
611 | if (r) | |
612 | return r; | |
613 | /* Setup TLB control */ | |
614 | tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); | |
615 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); | |
616 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); | |
617 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); | |
618 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); | |
619 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); | |
620 | WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); | |
621 | /* Setup L2 cache */ | |
622 | tmp = RREG32(mmVM_L2_CNTL); | |
623 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); | |
624 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); | |
625 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); | |
626 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); | |
627 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); | |
628 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); | |
a80b3047 | 629 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); |
aaa36a97 AD |
630 | WREG32(mmVM_L2_CNTL, tmp); |
631 | tmp = RREG32(mmVM_L2_CNTL2); | |
632 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); | |
633 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); | |
634 | WREG32(mmVM_L2_CNTL2, tmp); | |
635 | tmp = RREG32(mmVM_L2_CNTL3); | |
636 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); | |
637 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4); | |
638 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4); | |
639 | WREG32(mmVM_L2_CNTL3, tmp); | |
640 | /* XXX: set to enable PTE/PDE in system memory */ | |
641 | tmp = RREG32(mmVM_L2_CNTL4); | |
642 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0); | |
643 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0); | |
644 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0); | |
645 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0); | |
646 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0); | |
647 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0); | |
648 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0); | |
649 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0); | |
650 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0); | |
651 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0); | |
652 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0); | |
653 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0); | |
654 | WREG32(mmVM_L2_CNTL4, tmp); | |
655 | /* setup context0 */ | |
656 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12); | |
9c97b5ab | 657 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12); |
aaa36a97 AD |
658 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); |
659 | WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, | |
660 | (u32)(adev->dummy_page.addr >> 12)); | |
661 | WREG32(mmVM_CONTEXT0_CNTL2, 0); | |
662 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
663 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); | |
664 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); | |
665 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); | |
666 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
667 | ||
668 | WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0); | |
669 | WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0); | |
670 | WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0); | |
671 | ||
672 | /* empty context1-15 */ | |
673 | /* FIXME start with 4G, once using 2 level pt switch to full | |
674 | * vm size space | |
675 | */ | |
676 | /* set vm size, must be a multiple of 4 */ | |
677 | WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); | |
25a595e4 | 678 | WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); |
aaa36a97 AD |
679 | for (i = 1; i < 16; i++) { |
680 | if (i < 8) | |
681 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, | |
682 | adev->gart.table_addr >> 12); | |
683 | else | |
684 | WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, | |
685 | adev->gart.table_addr >> 12); | |
686 | } | |
687 | ||
688 | /* enable context1-15 */ | |
689 | WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, | |
690 | (u32)(adev->dummy_page.addr >> 12)); | |
691 | WREG32(mmVM_CONTEXT1_CNTL2, 4); | |
692 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
693 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); | |
694 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); | |
aaa36a97 | 695 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 | 696 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 | 697 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 | 698 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 | 699 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 | 700 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
aaa36a97 AD |
701 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); |
702 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, | |
703 | amdgpu_vm_block_size - 9); | |
704 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
d9c13156 CK |
705 | if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) |
706 | gmc_v8_0_set_fault_enable_default(adev, false); | |
707 | else | |
708 | gmc_v8_0_set_fault_enable_default(adev, true); | |
aaa36a97 AD |
709 | |
710 | gmc_v8_0_gart_flush_gpu_tlb(adev, 0); | |
711 | DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", | |
712 | (unsigned)(adev->mc.gtt_size >> 20), | |
713 | (unsigned long long)adev->gart.table_addr); | |
714 | adev->gart.ready = true; | |
715 | return 0; | |
716 | } | |
717 | ||
718 | static int gmc_v8_0_gart_init(struct amdgpu_device *adev) | |
719 | { | |
720 | int r; | |
721 | ||
722 | if (adev->gart.robj) { | |
723 | WARN(1, "R600 PCIE GART already initialized\n"); | |
724 | return 0; | |
725 | } | |
726 | /* Initialize common gart structure */ | |
727 | r = amdgpu_gart_init(adev); | |
728 | if (r) | |
729 | return r; | |
730 | adev->gart.table_size = adev->gart.num_gpu_pages * 8; | |
731 | return amdgpu_gart_table_vram_alloc(adev); | |
732 | } | |
733 | ||
734 | /** | |
735 | * gmc_v8_0_gart_disable - gart disable | |
736 | * | |
737 | * @adev: amdgpu_device pointer | |
738 | * | |
739 | * This disables all VM page table (CIK). | |
740 | */ | |
741 | static void gmc_v8_0_gart_disable(struct amdgpu_device *adev) | |
742 | { | |
743 | u32 tmp; | |
744 | ||
745 | /* Disable all tables */ | |
746 | WREG32(mmVM_CONTEXT0_CNTL, 0); | |
747 | WREG32(mmVM_CONTEXT1_CNTL, 0); | |
748 | /* Setup TLB control */ | |
749 | tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); | |
750 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); | |
751 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); | |
752 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); | |
753 | WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); | |
754 | /* Setup L2 cache */ | |
755 | tmp = RREG32(mmVM_L2_CNTL); | |
756 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); | |
757 | WREG32(mmVM_L2_CNTL, tmp); | |
758 | WREG32(mmVM_L2_CNTL2, 0); | |
759 | amdgpu_gart_table_vram_unpin(adev); | |
760 | } | |
761 | ||
762 | /** | |
763 | * gmc_v8_0_gart_fini - vm fini callback | |
764 | * | |
765 | * @adev: amdgpu_device pointer | |
766 | * | |
767 | * Tears down the driver GART/VM setup (CIK). | |
768 | */ | |
769 | static void gmc_v8_0_gart_fini(struct amdgpu_device *adev) | |
770 | { | |
771 | amdgpu_gart_table_vram_free(adev); | |
772 | amdgpu_gart_fini(adev); | |
773 | } | |
774 | ||
775 | /* | |
776 | * vm | |
777 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
778 | * VMIDs 1-15 are used for userspace clients and are handled | |
779 | * by the amdgpu vm/hsa code. | |
780 | */ | |
781 | /** | |
782 | * gmc_v8_0_vm_init - cik vm init callback | |
783 | * | |
784 | * @adev: amdgpu_device pointer | |
785 | * | |
786 | * Inits cik specific vm parameters (number of VMs, base of vram for | |
787 | * VMIDs 1-15) (CIK). | |
788 | * Returns 0 for success. | |
789 | */ | |
790 | static int gmc_v8_0_vm_init(struct amdgpu_device *adev) | |
791 | { | |
792 | /* | |
793 | * number of VMs | |
794 | * VMID 0 is reserved for System | |
795 | * amdgpu graphics/compute will use VMIDs 1-7 | |
796 | * amdkfd will use VMIDs 8-15 | |
797 | */ | |
a9a78b32 CK |
798 | adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS; |
799 | amdgpu_vm_manager_init(adev); | |
aaa36a97 AD |
800 | |
801 | /* base offset of vram pages */ | |
2f7d10b3 | 802 | if (adev->flags & AMD_IS_APU) { |
aaa36a97 AD |
803 | u64 tmp = RREG32(mmMC_VM_FB_OFFSET); |
804 | tmp <<= 22; | |
805 | adev->vm_manager.vram_base_offset = tmp; | |
806 | } else | |
807 | adev->vm_manager.vram_base_offset = 0; | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | /** | |
813 | * gmc_v8_0_vm_fini - cik vm fini callback | |
814 | * | |
815 | * @adev: amdgpu_device pointer | |
816 | * | |
817 | * Tear down any asic specific VM setup (CIK). | |
818 | */ | |
819 | static void gmc_v8_0_vm_fini(struct amdgpu_device *adev) | |
820 | { | |
821 | } | |
822 | ||
823 | /** | |
824 | * gmc_v8_0_vm_decode_fault - print human readable fault info | |
825 | * | |
826 | * @adev: amdgpu_device pointer | |
827 | * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value | |
828 | * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value | |
829 | * | |
830 | * Print human readable fault information (CIK). | |
831 | */ | |
832 | static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, | |
833 | u32 status, u32 addr, u32 mc_client) | |
834 | { | |
835 | u32 mc_id; | |
836 | u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); | |
837 | u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
838 | PROTECTIONS); | |
839 | char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, | |
840 | (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; | |
841 | ||
842 | mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
843 | MEMORY_CLIENT_ID); | |
844 | ||
845 | printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", | |
846 | protections, vmid, addr, | |
847 | REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
848 | MEMORY_CLIENT_RW) ? | |
849 | "write" : "read", block, mc_client, mc_id); | |
850 | } | |
851 | ||
81c59f54 KW |
852 | static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type) |
853 | { | |
854 | switch (mc_seq_vram_type) { | |
855 | case MC_SEQ_MISC0__MT__GDDR1: | |
856 | return AMDGPU_VRAM_TYPE_GDDR1; | |
857 | case MC_SEQ_MISC0__MT__DDR2: | |
858 | return AMDGPU_VRAM_TYPE_DDR2; | |
859 | case MC_SEQ_MISC0__MT__GDDR3: | |
860 | return AMDGPU_VRAM_TYPE_GDDR3; | |
861 | case MC_SEQ_MISC0__MT__GDDR4: | |
862 | return AMDGPU_VRAM_TYPE_GDDR4; | |
863 | case MC_SEQ_MISC0__MT__GDDR5: | |
864 | return AMDGPU_VRAM_TYPE_GDDR5; | |
865 | case MC_SEQ_MISC0__MT__HBM: | |
866 | return AMDGPU_VRAM_TYPE_HBM; | |
867 | case MC_SEQ_MISC0__MT__DDR3: | |
868 | return AMDGPU_VRAM_TYPE_DDR3; | |
869 | default: | |
870 | return AMDGPU_VRAM_TYPE_UNKNOWN; | |
871 | } | |
872 | } | |
873 | ||
5fc3aeeb | 874 | static int gmc_v8_0_early_init(void *handle) |
aaa36a97 | 875 | { |
5fc3aeeb | 876 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
877 | ||
aaa36a97 AD |
878 | gmc_v8_0_set_gart_funcs(adev); |
879 | gmc_v8_0_set_irq_funcs(adev); | |
880 | ||
aaa36a97 AD |
881 | return 0; |
882 | } | |
883 | ||
140b519f CK |
884 | static int gmc_v8_0_late_init(void *handle) |
885 | { | |
886 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
887 | ||
afc45421 FC |
888 | if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) |
889 | return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); | |
890 | else | |
891 | return 0; | |
140b519f CK |
892 | } |
893 | ||
b634de4f AD |
894 | #define mmMC_SEQ_MISC0_FIJI 0xA71 |
895 | ||
5fc3aeeb | 896 | static int gmc_v8_0_sw_init(void *handle) |
aaa36a97 AD |
897 | { |
898 | int r; | |
899 | int dma_bits; | |
5fc3aeeb | 900 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 | 901 | |
d1518a1d AD |
902 | if (adev->flags & AMD_IS_APU) { |
903 | adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; | |
904 | } else { | |
b634de4f AD |
905 | u32 tmp; |
906 | ||
907 | if (adev->asic_type == CHIP_FIJI) | |
908 | tmp = RREG32(mmMC_SEQ_MISC0_FIJI); | |
909 | else | |
910 | tmp = RREG32(mmMC_SEQ_MISC0); | |
d1518a1d AD |
911 | tmp &= MC_SEQ_MISC0__MT__MASK; |
912 | adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp); | |
913 | } | |
914 | ||
aaa36a97 AD |
915 | r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); |
916 | if (r) | |
917 | return r; | |
918 | ||
919 | r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault); | |
920 | if (r) | |
921 | return r; | |
922 | ||
923 | /* Adjust VM size here. | |
924 | * Currently set to 4GB ((1 << 20) 4k pages). | |
925 | * Max GPUVM size for cayman and SI is 40 bits. | |
926 | */ | |
927 | adev->vm_manager.max_pfn = amdgpu_vm_size << 18; | |
928 | ||
929 | /* Set the internal MC address mask | |
930 | * This is the max address of the GPU's | |
931 | * internal address space. | |
932 | */ | |
933 | adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ | |
934 | ||
935 | /* set DMA mask + need_dma32 flags. | |
936 | * PCIE - can handle 40-bits. | |
937 | * IGP - can handle 40-bits | |
938 | * PCI - dma32 for legacy pci gart, 40 bits on newer asics | |
939 | */ | |
940 | adev->need_dma32 = false; | |
941 | dma_bits = adev->need_dma32 ? 32 : 40; | |
942 | r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
943 | if (r) { | |
944 | adev->need_dma32 = true; | |
945 | dma_bits = 32; | |
946 | printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); | |
947 | } | |
948 | r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
949 | if (r) { | |
950 | pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); | |
951 | printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); | |
952 | } | |
953 | ||
954 | r = gmc_v8_0_init_microcode(adev); | |
955 | if (r) { | |
956 | DRM_ERROR("Failed to load mc firmware!\n"); | |
957 | return r; | |
958 | } | |
959 | ||
960 | r = gmc_v8_0_mc_init(adev); | |
961 | if (r) | |
962 | return r; | |
963 | ||
964 | /* Memory manager */ | |
965 | r = amdgpu_bo_init(adev); | |
966 | if (r) | |
967 | return r; | |
968 | ||
969 | r = gmc_v8_0_gart_init(adev); | |
970 | if (r) | |
971 | return r; | |
972 | ||
973 | if (!adev->vm_manager.enabled) { | |
974 | r = gmc_v8_0_vm_init(adev); | |
975 | if (r) { | |
976 | dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); | |
977 | return r; | |
978 | } | |
979 | adev->vm_manager.enabled = true; | |
980 | } | |
981 | ||
982 | return r; | |
983 | } | |
984 | ||
5fc3aeeb | 985 | static int gmc_v8_0_sw_fini(void *handle) |
aaa36a97 | 986 | { |
5fc3aeeb | 987 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
988 | |
989 | if (adev->vm_manager.enabled) { | |
ea89f8c9 | 990 | amdgpu_vm_manager_fini(adev); |
aaa36a97 AD |
991 | gmc_v8_0_vm_fini(adev); |
992 | adev->vm_manager.enabled = false; | |
993 | } | |
994 | gmc_v8_0_gart_fini(adev); | |
418aa0c2 | 995 | amdgpu_gem_force_release(adev); |
aaa36a97 AD |
996 | amdgpu_bo_fini(adev); |
997 | ||
998 | return 0; | |
999 | } | |
1000 | ||
5fc3aeeb | 1001 | static int gmc_v8_0_hw_init(void *handle) |
aaa36a97 AD |
1002 | { |
1003 | int r; | |
5fc3aeeb | 1004 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1005 | |
1006 | gmc_v8_0_init_golden_registers(adev); | |
1007 | ||
1008 | gmc_v8_0_mc_program(adev); | |
1009 | ||
8878d854 | 1010 | if (adev->asic_type == CHIP_TONGA) { |
aaa36a97 AD |
1011 | r = gmc_v8_0_mc_load_microcode(adev); |
1012 | if (r) { | |
1013 | DRM_ERROR("Failed to load MC firmware!\n"); | |
1014 | return r; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | r = gmc_v8_0_gart_enable(adev); | |
1019 | if (r) | |
1020 | return r; | |
1021 | ||
1022 | return r; | |
1023 | } | |
1024 | ||
5fc3aeeb | 1025 | static int gmc_v8_0_hw_fini(void *handle) |
aaa36a97 | 1026 | { |
5fc3aeeb | 1027 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1028 | ||
140b519f | 1029 | amdgpu_irq_put(adev, &adev->mc.vm_fault, 0); |
aaa36a97 AD |
1030 | gmc_v8_0_gart_disable(adev); |
1031 | ||
1032 | return 0; | |
1033 | } | |
1034 | ||
5fc3aeeb | 1035 | static int gmc_v8_0_suspend(void *handle) |
aaa36a97 | 1036 | { |
5fc3aeeb | 1037 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1038 | |
1039 | if (adev->vm_manager.enabled) { | |
aaa36a97 AD |
1040 | gmc_v8_0_vm_fini(adev); |
1041 | adev->vm_manager.enabled = false; | |
1042 | } | |
1043 | gmc_v8_0_hw_fini(adev); | |
1044 | ||
1045 | return 0; | |
1046 | } | |
1047 | ||
5fc3aeeb | 1048 | static int gmc_v8_0_resume(void *handle) |
aaa36a97 AD |
1049 | { |
1050 | int r; | |
5fc3aeeb | 1051 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1052 | |
1053 | r = gmc_v8_0_hw_init(adev); | |
1054 | if (r) | |
1055 | return r; | |
1056 | ||
1057 | if (!adev->vm_manager.enabled) { | |
1058 | r = gmc_v8_0_vm_init(adev); | |
1059 | if (r) { | |
1060 | dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); | |
1061 | return r; | |
1062 | } | |
1063 | adev->vm_manager.enabled = true; | |
1064 | } | |
1065 | ||
1066 | return r; | |
1067 | } | |
1068 | ||
5fc3aeeb | 1069 | static bool gmc_v8_0_is_idle(void *handle) |
aaa36a97 | 1070 | { |
5fc3aeeb | 1071 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1072 | u32 tmp = RREG32(mmSRBM_STATUS); |
1073 | ||
1074 | if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1075 | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) | |
1076 | return false; | |
1077 | ||
1078 | return true; | |
1079 | } | |
1080 | ||
5fc3aeeb | 1081 | static int gmc_v8_0_wait_for_idle(void *handle) |
aaa36a97 AD |
1082 | { |
1083 | unsigned i; | |
1084 | u32 tmp; | |
5fc3aeeb | 1085 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1086 | |
1087 | for (i = 0; i < adev->usec_timeout; i++) { | |
1088 | /* read MC_STATUS */ | |
1089 | tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | | |
1090 | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1091 | SRBM_STATUS__MCC_BUSY_MASK | | |
1092 | SRBM_STATUS__MCD_BUSY_MASK | | |
1093 | SRBM_STATUS__VMC_BUSY_MASK | | |
1094 | SRBM_STATUS__VMC1_BUSY_MASK); | |
1095 | if (!tmp) | |
1096 | return 0; | |
1097 | udelay(1); | |
1098 | } | |
1099 | return -ETIMEDOUT; | |
1100 | ||
1101 | } | |
1102 | ||
5fc3aeeb | 1103 | static int gmc_v8_0_soft_reset(void *handle) |
aaa36a97 AD |
1104 | { |
1105 | struct amdgpu_mode_mc_save save; | |
1106 | u32 srbm_soft_reset = 0; | |
5fc3aeeb | 1107 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1108 | u32 tmp = RREG32(mmSRBM_STATUS); |
1109 | ||
1110 | if (tmp & SRBM_STATUS__VMC_BUSY_MASK) | |
1111 | srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, | |
1112 | SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); | |
1113 | ||
1114 | if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1115 | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { | |
2f7d10b3 | 1116 | if (!(adev->flags & AMD_IS_APU)) |
aaa36a97 AD |
1117 | srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, |
1118 | SRBM_SOFT_RESET, SOFT_RESET_MC, 1); | |
1119 | } | |
1120 | ||
1121 | if (srbm_soft_reset) { | |
aaa36a97 | 1122 | gmc_v8_0_mc_stop(adev, &save); |
34e3205e | 1123 | if (gmc_v8_0_wait_for_idle((void *)adev)) { |
aaa36a97 AD |
1124 | dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); |
1125 | } | |
1126 | ||
1127 | ||
1128 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1129 | tmp |= srbm_soft_reset; | |
1130 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1131 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1132 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1133 | ||
1134 | udelay(50); | |
1135 | ||
1136 | tmp &= ~srbm_soft_reset; | |
1137 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1138 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1139 | ||
1140 | /* Wait a little for things to settle down */ | |
1141 | udelay(50); | |
1142 | ||
1143 | gmc_v8_0_mc_resume(adev, &save); | |
1144 | udelay(50); | |
aaa36a97 AD |
1145 | } |
1146 | ||
1147 | return 0; | |
1148 | } | |
1149 | ||
1150 | static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev, | |
1151 | struct amdgpu_irq_src *src, | |
1152 | unsigned type, | |
1153 | enum amdgpu_interrupt_state state) | |
1154 | { | |
1155 | u32 tmp; | |
1156 | u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1157 | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1158 | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1159 | VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1160 | VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1161 | VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1162 | VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); | |
1163 | ||
1164 | switch (state) { | |
1165 | case AMDGPU_IRQ_STATE_DISABLE: | |
1166 | /* system context */ | |
1167 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
1168 | tmp &= ~bits; | |
1169 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
1170 | /* VMs */ | |
1171 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
1172 | tmp &= ~bits; | |
1173 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
1174 | break; | |
1175 | case AMDGPU_IRQ_STATE_ENABLE: | |
1176 | /* system context */ | |
1177 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
1178 | tmp |= bits; | |
1179 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
1180 | /* VMs */ | |
1181 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
1182 | tmp |= bits; | |
1183 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
1184 | break; | |
1185 | default: | |
1186 | break; | |
1187 | } | |
1188 | ||
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, | |
1193 | struct amdgpu_irq_src *source, | |
1194 | struct amdgpu_iv_entry *entry) | |
1195 | { | |
1196 | u32 addr, status, mc_client; | |
1197 | ||
1198 | addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); | |
1199 | status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); | |
1200 | mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); | |
ce0c6bcd CK |
1201 | /* reset addr and status */ |
1202 | WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); | |
1203 | ||
1204 | if (!addr && !status) | |
1205 | return 0; | |
1206 | ||
d9c13156 CK |
1207 | if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) |
1208 | gmc_v8_0_set_fault_enable_default(adev, false); | |
1209 | ||
aaa36a97 AD |
1210 | dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", |
1211 | entry->src_id, entry->src_data); | |
1212 | dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", | |
1213 | addr); | |
1214 | dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", | |
1215 | status); | |
1216 | gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client); | |
aaa36a97 AD |
1217 | |
1218 | return 0; | |
1219 | } | |
1220 | ||
a0d69786 | 1221 | static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev, |
3fde56b8 | 1222 | bool enable) |
a0d69786 EH |
1223 | { |
1224 | uint32_t data; | |
1225 | ||
3fde56b8 | 1226 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { |
a0d69786 EH |
1227 | data = RREG32(mmMC_HUB_MISC_HUB_CG); |
1228 | data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK; | |
1229 | WREG32(mmMC_HUB_MISC_HUB_CG, data); | |
1230 | ||
1231 | data = RREG32(mmMC_HUB_MISC_SIP_CG); | |
1232 | data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK; | |
1233 | WREG32(mmMC_HUB_MISC_SIP_CG, data); | |
1234 | ||
1235 | data = RREG32(mmMC_HUB_MISC_VM_CG); | |
1236 | data |= MC_HUB_MISC_VM_CG__ENABLE_MASK; | |
1237 | WREG32(mmMC_HUB_MISC_VM_CG, data); | |
1238 | ||
1239 | data = RREG32(mmMC_XPB_CLK_GAT); | |
1240 | data |= MC_XPB_CLK_GAT__ENABLE_MASK; | |
1241 | WREG32(mmMC_XPB_CLK_GAT, data); | |
1242 | ||
1243 | data = RREG32(mmATC_MISC_CG); | |
1244 | data |= ATC_MISC_CG__ENABLE_MASK; | |
1245 | WREG32(mmATC_MISC_CG, data); | |
1246 | ||
1247 | data = RREG32(mmMC_CITF_MISC_WR_CG); | |
1248 | data |= MC_CITF_MISC_WR_CG__ENABLE_MASK; | |
1249 | WREG32(mmMC_CITF_MISC_WR_CG, data); | |
1250 | ||
1251 | data = RREG32(mmMC_CITF_MISC_RD_CG); | |
1252 | data |= MC_CITF_MISC_RD_CG__ENABLE_MASK; | |
1253 | WREG32(mmMC_CITF_MISC_RD_CG, data); | |
1254 | ||
1255 | data = RREG32(mmMC_CITF_MISC_VM_CG); | |
1256 | data |= MC_CITF_MISC_VM_CG__ENABLE_MASK; | |
1257 | WREG32(mmMC_CITF_MISC_VM_CG, data); | |
1258 | ||
1259 | data = RREG32(mmVM_L2_CG); | |
1260 | data |= VM_L2_CG__ENABLE_MASK; | |
1261 | WREG32(mmVM_L2_CG, data); | |
1262 | } else { | |
1263 | data = RREG32(mmMC_HUB_MISC_HUB_CG); | |
1264 | data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK; | |
1265 | WREG32(mmMC_HUB_MISC_HUB_CG, data); | |
1266 | ||
1267 | data = RREG32(mmMC_HUB_MISC_SIP_CG); | |
1268 | data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK; | |
1269 | WREG32(mmMC_HUB_MISC_SIP_CG, data); | |
1270 | ||
1271 | data = RREG32(mmMC_HUB_MISC_VM_CG); | |
1272 | data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK; | |
1273 | WREG32(mmMC_HUB_MISC_VM_CG, data); | |
1274 | ||
1275 | data = RREG32(mmMC_XPB_CLK_GAT); | |
1276 | data &= ~MC_XPB_CLK_GAT__ENABLE_MASK; | |
1277 | WREG32(mmMC_XPB_CLK_GAT, data); | |
1278 | ||
1279 | data = RREG32(mmATC_MISC_CG); | |
1280 | data &= ~ATC_MISC_CG__ENABLE_MASK; | |
1281 | WREG32(mmATC_MISC_CG, data); | |
1282 | ||
1283 | data = RREG32(mmMC_CITF_MISC_WR_CG); | |
1284 | data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK; | |
1285 | WREG32(mmMC_CITF_MISC_WR_CG, data); | |
1286 | ||
1287 | data = RREG32(mmMC_CITF_MISC_RD_CG); | |
1288 | data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK; | |
1289 | WREG32(mmMC_CITF_MISC_RD_CG, data); | |
1290 | ||
1291 | data = RREG32(mmMC_CITF_MISC_VM_CG); | |
1292 | data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK; | |
1293 | WREG32(mmMC_CITF_MISC_VM_CG, data); | |
1294 | ||
1295 | data = RREG32(mmVM_L2_CG); | |
1296 | data &= ~VM_L2_CG__ENABLE_MASK; | |
1297 | WREG32(mmVM_L2_CG, data); | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | static void fiji_update_mc_light_sleep(struct amdgpu_device *adev, | |
3fde56b8 | 1302 | bool enable) |
a0d69786 EH |
1303 | { |
1304 | uint32_t data; | |
1305 | ||
3fde56b8 | 1306 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) { |
a0d69786 EH |
1307 | data = RREG32(mmMC_HUB_MISC_HUB_CG); |
1308 | data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; | |
1309 | WREG32(mmMC_HUB_MISC_HUB_CG, data); | |
1310 | ||
1311 | data = RREG32(mmMC_HUB_MISC_SIP_CG); | |
1312 | data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; | |
1313 | WREG32(mmMC_HUB_MISC_SIP_CG, data); | |
1314 | ||
1315 | data = RREG32(mmMC_HUB_MISC_VM_CG); | |
1316 | data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; | |
1317 | WREG32(mmMC_HUB_MISC_VM_CG, data); | |
1318 | ||
1319 | data = RREG32(mmMC_XPB_CLK_GAT); | |
1320 | data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; | |
1321 | WREG32(mmMC_XPB_CLK_GAT, data); | |
1322 | ||
1323 | data = RREG32(mmATC_MISC_CG); | |
1324 | data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK; | |
1325 | WREG32(mmATC_MISC_CG, data); | |
1326 | ||
1327 | data = RREG32(mmMC_CITF_MISC_WR_CG); | |
1328 | data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; | |
1329 | WREG32(mmMC_CITF_MISC_WR_CG, data); | |
1330 | ||
1331 | data = RREG32(mmMC_CITF_MISC_RD_CG); | |
1332 | data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; | |
1333 | WREG32(mmMC_CITF_MISC_RD_CG, data); | |
1334 | ||
1335 | data = RREG32(mmMC_CITF_MISC_VM_CG); | |
1336 | data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; | |
1337 | WREG32(mmMC_CITF_MISC_VM_CG, data); | |
1338 | ||
1339 | data = RREG32(mmVM_L2_CG); | |
1340 | data |= VM_L2_CG__MEM_LS_ENABLE_MASK; | |
1341 | WREG32(mmVM_L2_CG, data); | |
1342 | } else { | |
1343 | data = RREG32(mmMC_HUB_MISC_HUB_CG); | |
1344 | data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK; | |
1345 | WREG32(mmMC_HUB_MISC_HUB_CG, data); | |
1346 | ||
1347 | data = RREG32(mmMC_HUB_MISC_SIP_CG); | |
1348 | data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK; | |
1349 | WREG32(mmMC_HUB_MISC_SIP_CG, data); | |
1350 | ||
1351 | data = RREG32(mmMC_HUB_MISC_VM_CG); | |
1352 | data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK; | |
1353 | WREG32(mmMC_HUB_MISC_VM_CG, data); | |
1354 | ||
1355 | data = RREG32(mmMC_XPB_CLK_GAT); | |
1356 | data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK; | |
1357 | WREG32(mmMC_XPB_CLK_GAT, data); | |
1358 | ||
1359 | data = RREG32(mmATC_MISC_CG); | |
1360 | data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK; | |
1361 | WREG32(mmATC_MISC_CG, data); | |
1362 | ||
1363 | data = RREG32(mmMC_CITF_MISC_WR_CG); | |
1364 | data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK; | |
1365 | WREG32(mmMC_CITF_MISC_WR_CG, data); | |
1366 | ||
1367 | data = RREG32(mmMC_CITF_MISC_RD_CG); | |
1368 | data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK; | |
1369 | WREG32(mmMC_CITF_MISC_RD_CG, data); | |
1370 | ||
1371 | data = RREG32(mmMC_CITF_MISC_VM_CG); | |
1372 | data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK; | |
1373 | WREG32(mmMC_CITF_MISC_VM_CG, data); | |
1374 | ||
1375 | data = RREG32(mmVM_L2_CG); | |
1376 | data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK; | |
1377 | WREG32(mmVM_L2_CG, data); | |
1378 | } | |
1379 | } | |
1380 | ||
5fc3aeeb | 1381 | static int gmc_v8_0_set_clockgating_state(void *handle, |
1382 | enum amd_clockgating_state state) | |
aaa36a97 | 1383 | { |
a0d69786 EH |
1384 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1385 | ||
1386 | switch (adev->asic_type) { | |
1387 | case CHIP_FIJI: | |
1388 | fiji_update_mc_medium_grain_clock_gating(adev, | |
1389 | state == AMD_CG_STATE_GATE ? true : false); | |
1390 | fiji_update_mc_light_sleep(adev, | |
1391 | state == AMD_CG_STATE_GATE ? true : false); | |
1392 | break; | |
1393 | default: | |
1394 | break; | |
1395 | } | |
aaa36a97 AD |
1396 | return 0; |
1397 | } | |
1398 | ||
5fc3aeeb | 1399 | static int gmc_v8_0_set_powergating_state(void *handle, |
1400 | enum amd_powergating_state state) | |
aaa36a97 AD |
1401 | { |
1402 | return 0; | |
1403 | } | |
1404 | ||
5fc3aeeb | 1405 | const struct amd_ip_funcs gmc_v8_0_ip_funcs = { |
88a907d6 | 1406 | .name = "gmc_v8_0", |
aaa36a97 | 1407 | .early_init = gmc_v8_0_early_init, |
140b519f | 1408 | .late_init = gmc_v8_0_late_init, |
aaa36a97 AD |
1409 | .sw_init = gmc_v8_0_sw_init, |
1410 | .sw_fini = gmc_v8_0_sw_fini, | |
1411 | .hw_init = gmc_v8_0_hw_init, | |
1412 | .hw_fini = gmc_v8_0_hw_fini, | |
1413 | .suspend = gmc_v8_0_suspend, | |
1414 | .resume = gmc_v8_0_resume, | |
1415 | .is_idle = gmc_v8_0_is_idle, | |
1416 | .wait_for_idle = gmc_v8_0_wait_for_idle, | |
1417 | .soft_reset = gmc_v8_0_soft_reset, | |
aaa36a97 AD |
1418 | .set_clockgating_state = gmc_v8_0_set_clockgating_state, |
1419 | .set_powergating_state = gmc_v8_0_set_powergating_state, | |
1420 | }; | |
1421 | ||
1422 | static const struct amdgpu_gart_funcs gmc_v8_0_gart_funcs = { | |
1423 | .flush_gpu_tlb = gmc_v8_0_gart_flush_gpu_tlb, | |
1424 | .set_pte_pde = gmc_v8_0_gart_set_pte_pde, | |
1425 | }; | |
1426 | ||
1427 | static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = { | |
1428 | .set = gmc_v8_0_vm_fault_interrupt_state, | |
1429 | .process = gmc_v8_0_process_interrupt, | |
1430 | }; | |
1431 | ||
1432 | static void gmc_v8_0_set_gart_funcs(struct amdgpu_device *adev) | |
1433 | { | |
1434 | if (adev->gart.gart_funcs == NULL) | |
1435 | adev->gart.gart_funcs = &gmc_v8_0_gart_funcs; | |
1436 | } | |
1437 | ||
1438 | static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev) | |
1439 | { | |
1440 | adev->mc.vm_fault.num_types = 1; | |
1441 | adev->mc.vm_fault.funcs = &gmc_v8_0_irq_funcs; | |
1442 | } |