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a2e73f56 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 "cikd.h" | |
27 | #include "cik.h" | |
28 | #include "gmc_v7_0.h" | |
29 | #include "amdgpu_ucode.h" | |
30 | ||
31 | #include "bif/bif_4_1_d.h" | |
32 | #include "bif/bif_4_1_sh_mask.h" | |
33 | ||
34 | #include "gmc/gmc_7_1_d.h" | |
35 | #include "gmc/gmc_7_1_sh_mask.h" | |
36 | ||
37 | #include "oss/oss_2_0_d.h" | |
38 | #include "oss/oss_2_0_sh_mask.h" | |
39 | ||
40 | static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev); | |
41 | static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev); | |
313c45fd | 42 | static int gmc_v7_0_wait_for_idle(void *handle); |
a2e73f56 | 43 | |
2269a395 | 44 | MODULE_FIRMWARE("radeon/bonaire_mc.bin"); |
a2e73f56 | 45 | MODULE_FIRMWARE("radeon/hawaii_mc.bin"); |
429c45de | 46 | MODULE_FIRMWARE("amdgpu/topaz_mc.bin"); |
a2e73f56 | 47 | |
72b459c8 AD |
48 | static const u32 golden_settings_iceland_a11[] = |
49 | { | |
50 | mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
51 | mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
52 | mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff, | |
53 | mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff | |
54 | }; | |
55 | ||
56 | static const u32 iceland_mgcg_cgcg_init[] = | |
57 | { | |
58 | mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 | |
59 | }; | |
60 | ||
61 | static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev) | |
62 | { | |
63 | switch (adev->asic_type) { | |
64 | case CHIP_TOPAZ: | |
65 | amdgpu_program_register_sequence(adev, | |
66 | iceland_mgcg_cgcg_init, | |
67 | (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); | |
68 | amdgpu_program_register_sequence(adev, | |
69 | golden_settings_iceland_a11, | |
70 | (const u32)ARRAY_SIZE(golden_settings_iceland_a11)); | |
71 | break; | |
72 | default: | |
73 | break; | |
74 | } | |
75 | } | |
76 | ||
ccd73f24 AD |
77 | static void gmc_v7_0_mc_stop(struct amdgpu_device *adev, |
78 | struct amdgpu_mode_mc_save *save) | |
a2e73f56 AD |
79 | { |
80 | u32 blackout; | |
81 | ||
82 | if (adev->mode_info.num_crtc) | |
83 | amdgpu_display_stop_mc_access(adev, save); | |
84 | ||
313c45fd | 85 | gmc_v7_0_wait_for_idle((void *)adev); |
a2e73f56 AD |
86 | |
87 | blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); | |
88 | if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { | |
89 | /* Block CPU access */ | |
90 | WREG32(mmBIF_FB_EN, 0); | |
91 | /* blackout the MC */ | |
92 | blackout = REG_SET_FIELD(blackout, | |
93 | MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); | |
94 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); | |
95 | } | |
96 | /* wait for the MC to settle */ | |
97 | udelay(100); | |
98 | } | |
99 | ||
ccd73f24 AD |
100 | static void gmc_v7_0_mc_resume(struct amdgpu_device *adev, |
101 | struct amdgpu_mode_mc_save *save) | |
a2e73f56 AD |
102 | { |
103 | u32 tmp; | |
104 | ||
105 | /* unblackout the MC */ | |
106 | tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); | |
107 | tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); | |
108 | WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); | |
109 | /* allow CPU access */ | |
110 | tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); | |
111 | tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); | |
112 | WREG32(mmBIF_FB_EN, tmp); | |
113 | ||
114 | if (adev->mode_info.num_crtc) | |
115 | amdgpu_display_resume_mc_access(adev, save); | |
116 | } | |
117 | ||
118 | /** | |
119 | * gmc_v7_0_init_microcode - load ucode images from disk | |
120 | * | |
121 | * @adev: amdgpu_device pointer | |
122 | * | |
123 | * Use the firmware interface to load the ucode images into | |
124 | * the driver (not loaded into hw). | |
125 | * Returns 0 on success, error on failure. | |
126 | */ | |
127 | static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) | |
128 | { | |
129 | const char *chip_name; | |
130 | char fw_name[30]; | |
131 | int err; | |
132 | ||
133 | DRM_DEBUG("\n"); | |
134 | ||
135 | switch (adev->asic_type) { | |
136 | case CHIP_BONAIRE: | |
137 | chip_name = "bonaire"; | |
138 | break; | |
139 | case CHIP_HAWAII: | |
140 | chip_name = "hawaii"; | |
141 | break; | |
429c45de KW |
142 | case CHIP_TOPAZ: |
143 | chip_name = "topaz"; | |
144 | break; | |
a2e73f56 AD |
145 | case CHIP_KAVERI: |
146 | case CHIP_KABINI: | |
b62774fc | 147 | case CHIP_MULLINS: |
a2e73f56 AD |
148 | return 0; |
149 | default: BUG(); | |
150 | } | |
151 | ||
72b459c8 | 152 | if (adev->asic_type == CHIP_TOPAZ) |
429c45de KW |
153 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name); |
154 | else | |
155 | snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); | |
156 | ||
a2e73f56 AD |
157 | err = request_firmware(&adev->mc.fw, fw_name, adev->dev); |
158 | if (err) | |
159 | goto out; | |
160 | err = amdgpu_ucode_validate(adev->mc.fw); | |
161 | ||
162 | out: | |
163 | if (err) { | |
164 | printk(KERN_ERR | |
165 | "cik_mc: Failed to load firmware \"%s\"\n", | |
166 | fw_name); | |
167 | release_firmware(adev->mc.fw); | |
168 | adev->mc.fw = NULL; | |
169 | } | |
170 | return err; | |
171 | } | |
172 | ||
173 | /** | |
174 | * gmc_v7_0_mc_load_microcode - load MC ucode into the hw | |
175 | * | |
176 | * @adev: amdgpu_device pointer | |
177 | * | |
178 | * Load the GDDR MC ucode into the hw (CIK). | |
179 | * Returns 0 on success, error on failure. | |
180 | */ | |
181 | static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev) | |
182 | { | |
183 | const struct mc_firmware_header_v1_0 *hdr; | |
184 | const __le32 *fw_data = NULL; | |
185 | const __le32 *io_mc_regs = NULL; | |
5c0eb98e | 186 | u32 running; |
a2e73f56 AD |
187 | int i, ucode_size, regs_size; |
188 | ||
189 | if (!adev->mc.fw) | |
190 | return -EINVAL; | |
191 | ||
192 | hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; | |
193 | amdgpu_ucode_print_mc_hdr(&hdr->header); | |
194 | ||
195 | adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version); | |
196 | regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); | |
197 | io_mc_regs = (const __le32 *) | |
198 | (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); | |
199 | ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
200 | fw_data = (const __le32 *) | |
201 | (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
202 | ||
203 | running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); | |
204 | ||
205 | if (running == 0) { | |
a2e73f56 AD |
206 | /* reset the engine and set to writable */ |
207 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); | |
208 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); | |
209 | ||
210 | /* load mc io regs */ | |
211 | for (i = 0; i < regs_size; i++) { | |
212 | WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); | |
213 | WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); | |
214 | } | |
215 | /* load the MC ucode */ | |
216 | for (i = 0; i < ucode_size; i++) | |
217 | WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); | |
218 | ||
219 | /* put the engine back into the active state */ | |
220 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); | |
221 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); | |
222 | WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); | |
223 | ||
224 | /* wait for training to complete */ | |
225 | for (i = 0; i < adev->usec_timeout; i++) { | |
226 | if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), | |
227 | MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) | |
228 | break; | |
229 | udelay(1); | |
230 | } | |
231 | for (i = 0; i < adev->usec_timeout; i++) { | |
232 | if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), | |
233 | MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) | |
234 | break; | |
235 | udelay(1); | |
236 | } | |
a2e73f56 AD |
237 | } |
238 | ||
239 | return 0; | |
240 | } | |
241 | ||
242 | static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev, | |
243 | struct amdgpu_mc *mc) | |
244 | { | |
245 | if (mc->mc_vram_size > 0xFFC0000000ULL) { | |
246 | /* leave room for at least 1024M GTT */ | |
247 | dev_warn(adev->dev, "limiting VRAM\n"); | |
248 | mc->real_vram_size = 0xFFC0000000ULL; | |
249 | mc->mc_vram_size = 0xFFC0000000ULL; | |
250 | } | |
251 | amdgpu_vram_location(adev, &adev->mc, 0); | |
252 | adev->mc.gtt_base_align = 0; | |
253 | amdgpu_gtt_location(adev, mc); | |
254 | } | |
255 | ||
256 | /** | |
257 | * gmc_v7_0_mc_program - program the GPU memory controller | |
258 | * | |
259 | * @adev: amdgpu_device pointer | |
260 | * | |
261 | * Set the location of vram, gart, and AGP in the GPU's | |
262 | * physical address space (CIK). | |
263 | */ | |
264 | static void gmc_v7_0_mc_program(struct amdgpu_device *adev) | |
265 | { | |
266 | struct amdgpu_mode_mc_save save; | |
267 | u32 tmp; | |
268 | int i, j; | |
269 | ||
270 | /* Initialize HDP */ | |
271 | for (i = 0, j = 0; i < 32; i++, j += 0x6) { | |
272 | WREG32((0xb05 + j), 0x00000000); | |
273 | WREG32((0xb06 + j), 0x00000000); | |
274 | WREG32((0xb07 + j), 0x00000000); | |
275 | WREG32((0xb08 + j), 0x00000000); | |
276 | WREG32((0xb09 + j), 0x00000000); | |
277 | } | |
278 | WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); | |
279 | ||
280 | if (adev->mode_info.num_crtc) | |
281 | amdgpu_display_set_vga_render_state(adev, false); | |
282 | ||
283 | gmc_v7_0_mc_stop(adev, &save); | |
313c45fd | 284 | if (gmc_v7_0_wait_for_idle((void *)adev)) { |
a2e73f56 AD |
285 | dev_warn(adev->dev, "Wait for MC idle timedout !\n"); |
286 | } | |
287 | /* Update configuration */ | |
288 | WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, | |
289 | adev->mc.vram_start >> 12); | |
290 | WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, | |
291 | adev->mc.vram_end >> 12); | |
292 | WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, | |
293 | adev->vram_scratch.gpu_addr >> 12); | |
294 | tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16; | |
295 | tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF); | |
296 | WREG32(mmMC_VM_FB_LOCATION, tmp); | |
297 | /* XXX double check these! */ | |
298 | WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8)); | |
299 | WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); | |
300 | WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF); | |
301 | WREG32(mmMC_VM_AGP_BASE, 0); | |
302 | WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); | |
303 | WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); | |
313c45fd | 304 | if (gmc_v7_0_wait_for_idle((void *)adev)) { |
a2e73f56 AD |
305 | dev_warn(adev->dev, "Wait for MC idle timedout !\n"); |
306 | } | |
307 | gmc_v7_0_mc_resume(adev, &save); | |
308 | ||
309 | WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); | |
310 | ||
311 | tmp = RREG32(mmHDP_MISC_CNTL); | |
13459bd0 | 312 | tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0); |
a2e73f56 AD |
313 | WREG32(mmHDP_MISC_CNTL, tmp); |
314 | ||
315 | tmp = RREG32(mmHDP_HOST_PATH_CNTL); | |
316 | WREG32(mmHDP_HOST_PATH_CNTL, tmp); | |
317 | } | |
318 | ||
319 | /** | |
320 | * gmc_v7_0_mc_init - initialize the memory controller driver params | |
321 | * | |
322 | * @adev: amdgpu_device pointer | |
323 | * | |
324 | * Look up the amount of vram, vram width, and decide how to place | |
325 | * vram and gart within the GPU's physical address space (CIK). | |
326 | * Returns 0 for success. | |
327 | */ | |
328 | static int gmc_v7_0_mc_init(struct amdgpu_device *adev) | |
329 | { | |
330 | u32 tmp; | |
331 | int chansize, numchan; | |
332 | ||
333 | /* Get VRAM informations */ | |
334 | tmp = RREG32(mmMC_ARB_RAMCFG); | |
335 | if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) { | |
336 | chansize = 64; | |
337 | } else { | |
338 | chansize = 32; | |
339 | } | |
340 | tmp = RREG32(mmMC_SHARED_CHMAP); | |
341 | switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { | |
342 | case 0: | |
343 | default: | |
344 | numchan = 1; | |
345 | break; | |
346 | case 1: | |
347 | numchan = 2; | |
348 | break; | |
349 | case 2: | |
350 | numchan = 4; | |
351 | break; | |
352 | case 3: | |
353 | numchan = 8; | |
354 | break; | |
355 | case 4: | |
356 | numchan = 3; | |
357 | break; | |
358 | case 5: | |
359 | numchan = 6; | |
360 | break; | |
361 | case 6: | |
362 | numchan = 10; | |
363 | break; | |
364 | case 7: | |
365 | numchan = 12; | |
366 | break; | |
367 | case 8: | |
368 | numchan = 16; | |
369 | break; | |
370 | } | |
371 | adev->mc.vram_width = numchan * chansize; | |
372 | /* Could aper size report 0 ? */ | |
373 | adev->mc.aper_base = pci_resource_start(adev->pdev, 0); | |
374 | adev->mc.aper_size = pci_resource_len(adev->pdev, 0); | |
375 | /* size in MB on si */ | |
376 | adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; | |
377 | adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; | |
378 | adev->mc.visible_vram_size = adev->mc.aper_size; | |
379 | ||
a1493cd5 AD |
380 | /* In case the PCI BAR is larger than the actual amount of vram */ |
381 | if (adev->mc.visible_vram_size > adev->mc.real_vram_size) | |
382 | adev->mc.visible_vram_size = adev->mc.real_vram_size; | |
383 | ||
a2e73f56 AD |
384 | /* unless the user had overridden it, set the gart |
385 | * size equal to the 1024 or vram, whichever is larger. | |
386 | */ | |
387 | if (amdgpu_gart_size == -1) | |
a693e050 | 388 | adev->mc.gtt_size = amdgpu_ttm_get_gtt_mem_size(adev); |
a2e73f56 AD |
389 | else |
390 | adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; | |
391 | ||
392 | gmc_v7_0_vram_gtt_location(adev, &adev->mc); | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
397 | /* | |
398 | * GART | |
399 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
400 | * VMIDs 1-15 are used for userspace clients and are handled | |
401 | * by the amdgpu vm/hsa code. | |
402 | */ | |
403 | ||
404 | /** | |
405 | * gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback | |
406 | * | |
407 | * @adev: amdgpu_device pointer | |
408 | * @vmid: vm instance to flush | |
409 | * | |
410 | * Flush the TLB for the requested page table (CIK). | |
411 | */ | |
412 | static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, | |
413 | uint32_t vmid) | |
414 | { | |
415 | /* flush hdp cache */ | |
416 | WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); | |
417 | ||
418 | /* bits 0-15 are the VM contexts0-15 */ | |
419 | WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); | |
420 | } | |
421 | ||
422 | /** | |
423 | * gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO | |
424 | * | |
425 | * @adev: amdgpu_device pointer | |
426 | * @cpu_pt_addr: cpu address of the page table | |
427 | * @gpu_page_idx: entry in the page table to update | |
428 | * @addr: dst addr to write into pte/pde | |
429 | * @flags: access flags | |
430 | * | |
431 | * Update the page tables using the CPU. | |
432 | */ | |
433 | static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev, | |
434 | void *cpu_pt_addr, | |
435 | uint32_t gpu_page_idx, | |
436 | uint64_t addr, | |
437 | uint32_t flags) | |
438 | { | |
439 | void __iomem *ptr = (void *)cpu_pt_addr; | |
440 | uint64_t value; | |
441 | ||
442 | value = addr & 0xFFFFFFFFFFFFF000ULL; | |
443 | value |= flags; | |
444 | writeq(value, ptr + (gpu_page_idx * 8)); | |
445 | ||
446 | return 0; | |
447 | } | |
448 | ||
d9c13156 CK |
449 | /** |
450 | * gmc_v8_0_set_fault_enable_default - update VM fault handling | |
451 | * | |
452 | * @adev: amdgpu_device pointer | |
453 | * @value: true redirects VM faults to the default page | |
454 | */ | |
455 | static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev, | |
456 | bool value) | |
457 | { | |
458 | u32 tmp; | |
459 | ||
460 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
461 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
462 | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
463 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
464 | DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
465 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
466 | PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
467 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
468 | VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
469 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
470 | READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
471 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, | |
472 | WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); | |
473 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
474 | } | |
475 | ||
a2e73f56 AD |
476 | /** |
477 | * gmc_v7_0_gart_enable - gart enable | |
478 | * | |
479 | * @adev: amdgpu_device pointer | |
480 | * | |
481 | * This sets up the TLBs, programs the page tables for VMID0, | |
482 | * sets up the hw for VMIDs 1-15 which are allocated on | |
483 | * demand, and sets up the global locations for the LDS, GDS, | |
484 | * and GPUVM for FSA64 clients (CIK). | |
485 | * Returns 0 for success, errors for failure. | |
486 | */ | |
487 | static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) | |
488 | { | |
489 | int r, i; | |
490 | u32 tmp; | |
491 | ||
492 | if (adev->gart.robj == NULL) { | |
493 | dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); | |
494 | return -EINVAL; | |
495 | } | |
496 | r = amdgpu_gart_table_vram_pin(adev); | |
497 | if (r) | |
498 | return r; | |
499 | /* Setup TLB control */ | |
500 | tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); | |
501 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); | |
502 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); | |
503 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); | |
504 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); | |
505 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); | |
506 | WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); | |
507 | /* Setup L2 cache */ | |
508 | tmp = RREG32(mmVM_L2_CNTL); | |
509 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); | |
510 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); | |
511 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); | |
512 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); | |
513 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); | |
514 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); | |
a80b3047 | 515 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); |
a2e73f56 AD |
516 | WREG32(mmVM_L2_CNTL, tmp); |
517 | tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); | |
518 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); | |
519 | WREG32(mmVM_L2_CNTL2, tmp); | |
520 | tmp = RREG32(mmVM_L2_CNTL3); | |
521 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); | |
522 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4); | |
523 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4); | |
524 | WREG32(mmVM_L2_CNTL3, tmp); | |
525 | /* setup context0 */ | |
526 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12); | |
9c97b5ab | 527 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gtt_end >> 12); |
a2e73f56 AD |
528 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); |
529 | WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, | |
530 | (u32)(adev->dummy_page.addr >> 12)); | |
531 | WREG32(mmVM_CONTEXT0_CNTL2, 0); | |
532 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
533 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); | |
534 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); | |
535 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); | |
536 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
537 | ||
538 | WREG32(0x575, 0); | |
539 | WREG32(0x576, 0); | |
540 | WREG32(0x577, 0); | |
541 | ||
542 | /* empty context1-15 */ | |
543 | /* FIXME start with 4G, once using 2 level pt switch to full | |
544 | * vm size space | |
545 | */ | |
546 | /* set vm size, must be a multiple of 4 */ | |
547 | WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); | |
25a595e4 | 548 | WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); |
a2e73f56 AD |
549 | for (i = 1; i < 16; i++) { |
550 | if (i < 8) | |
551 | WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, | |
552 | adev->gart.table_addr >> 12); | |
553 | else | |
554 | WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, | |
555 | adev->gart.table_addr >> 12); | |
556 | } | |
557 | ||
558 | /* enable context1-15 */ | |
559 | WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, | |
560 | (u32)(adev->dummy_page.addr >> 12)); | |
561 | WREG32(mmVM_CONTEXT1_CNTL2, 4); | |
562 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
563 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); | |
564 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); | |
a2e73f56 AD |
565 | tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, |
566 | amdgpu_vm_block_size - 9); | |
567 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
d9c13156 CK |
568 | if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) |
569 | gmc_v7_0_set_fault_enable_default(adev, false); | |
570 | else | |
571 | gmc_v7_0_set_fault_enable_default(adev, true); | |
a2e73f56 AD |
572 | |
573 | if (adev->asic_type == CHIP_KAVERI) { | |
574 | tmp = RREG32(mmCHUB_CONTROL); | |
575 | tmp &= ~BYPASS_VM; | |
576 | WREG32(mmCHUB_CONTROL, tmp); | |
577 | } | |
578 | ||
579 | gmc_v7_0_gart_flush_gpu_tlb(adev, 0); | |
580 | DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", | |
581 | (unsigned)(adev->mc.gtt_size >> 20), | |
582 | (unsigned long long)adev->gart.table_addr); | |
583 | adev->gart.ready = true; | |
584 | return 0; | |
585 | } | |
586 | ||
587 | static int gmc_v7_0_gart_init(struct amdgpu_device *adev) | |
588 | { | |
589 | int r; | |
590 | ||
591 | if (adev->gart.robj) { | |
592 | WARN(1, "R600 PCIE GART already initialized\n"); | |
593 | return 0; | |
594 | } | |
595 | /* Initialize common gart structure */ | |
596 | r = amdgpu_gart_init(adev); | |
597 | if (r) | |
598 | return r; | |
599 | adev->gart.table_size = adev->gart.num_gpu_pages * 8; | |
600 | return amdgpu_gart_table_vram_alloc(adev); | |
601 | } | |
602 | ||
603 | /** | |
604 | * gmc_v7_0_gart_disable - gart disable | |
605 | * | |
606 | * @adev: amdgpu_device pointer | |
607 | * | |
608 | * This disables all VM page table (CIK). | |
609 | */ | |
610 | static void gmc_v7_0_gart_disable(struct amdgpu_device *adev) | |
611 | { | |
612 | u32 tmp; | |
613 | ||
614 | /* Disable all tables */ | |
615 | WREG32(mmVM_CONTEXT0_CNTL, 0); | |
616 | WREG32(mmVM_CONTEXT1_CNTL, 0); | |
617 | /* Setup TLB control */ | |
618 | tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); | |
619 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); | |
620 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); | |
621 | tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); | |
622 | WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); | |
623 | /* Setup L2 cache */ | |
624 | tmp = RREG32(mmVM_L2_CNTL); | |
625 | tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); | |
626 | WREG32(mmVM_L2_CNTL, tmp); | |
627 | WREG32(mmVM_L2_CNTL2, 0); | |
628 | amdgpu_gart_table_vram_unpin(adev); | |
629 | } | |
630 | ||
631 | /** | |
632 | * gmc_v7_0_gart_fini - vm fini callback | |
633 | * | |
634 | * @adev: amdgpu_device pointer | |
635 | * | |
636 | * Tears down the driver GART/VM setup (CIK). | |
637 | */ | |
638 | static void gmc_v7_0_gart_fini(struct amdgpu_device *adev) | |
639 | { | |
640 | amdgpu_gart_table_vram_free(adev); | |
641 | amdgpu_gart_fini(adev); | |
642 | } | |
643 | ||
644 | /* | |
645 | * vm | |
646 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
647 | * VMIDs 1-15 are used for userspace clients and are handled | |
648 | * by the amdgpu vm/hsa code. | |
649 | */ | |
650 | /** | |
651 | * gmc_v7_0_vm_init - cik vm init callback | |
652 | * | |
653 | * @adev: amdgpu_device pointer | |
654 | * | |
655 | * Inits cik specific vm parameters (number of VMs, base of vram for | |
656 | * VMIDs 1-15) (CIK). | |
657 | * Returns 0 for success. | |
658 | */ | |
659 | static int gmc_v7_0_vm_init(struct amdgpu_device *adev) | |
660 | { | |
661 | /* | |
662 | * number of VMs | |
663 | * VMID 0 is reserved for System | |
664 | * amdgpu graphics/compute will use VMIDs 1-7 | |
665 | * amdkfd will use VMIDs 8-15 | |
666 | */ | |
a9a78b32 CK |
667 | adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS; |
668 | amdgpu_vm_manager_init(adev); | |
a2e73f56 AD |
669 | |
670 | /* base offset of vram pages */ | |
2f7d10b3 | 671 | if (adev->flags & AMD_IS_APU) { |
a2e73f56 AD |
672 | u64 tmp = RREG32(mmMC_VM_FB_OFFSET); |
673 | tmp <<= 22; | |
674 | adev->vm_manager.vram_base_offset = tmp; | |
675 | } else | |
676 | adev->vm_manager.vram_base_offset = 0; | |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
681 | /** | |
682 | * gmc_v7_0_vm_fini - cik vm fini callback | |
683 | * | |
684 | * @adev: amdgpu_device pointer | |
685 | * | |
686 | * Tear down any asic specific VM setup (CIK). | |
687 | */ | |
688 | static void gmc_v7_0_vm_fini(struct amdgpu_device *adev) | |
689 | { | |
690 | } | |
691 | ||
692 | /** | |
693 | * gmc_v7_0_vm_decode_fault - print human readable fault info | |
694 | * | |
695 | * @adev: amdgpu_device pointer | |
696 | * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value | |
697 | * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value | |
698 | * | |
699 | * Print human readable fault information (CIK). | |
700 | */ | |
701 | static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev, | |
702 | u32 status, u32 addr, u32 mc_client) | |
703 | { | |
704 | u32 mc_id; | |
705 | u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); | |
706 | u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
707 | PROTECTIONS); | |
708 | char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, | |
709 | (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; | |
710 | ||
711 | mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
712 | MEMORY_CLIENT_ID); | |
713 | ||
714 | printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", | |
715 | protections, vmid, addr, | |
716 | REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, | |
717 | MEMORY_CLIENT_RW) ? | |
718 | "write" : "read", block, mc_client, mc_id); | |
719 | } | |
720 | ||
721 | ||
722 | static const u32 mc_cg_registers[] = { | |
723 | mmMC_HUB_MISC_HUB_CG, | |
724 | mmMC_HUB_MISC_SIP_CG, | |
725 | mmMC_HUB_MISC_VM_CG, | |
726 | mmMC_XPB_CLK_GAT, | |
727 | mmATC_MISC_CG, | |
728 | mmMC_CITF_MISC_WR_CG, | |
729 | mmMC_CITF_MISC_RD_CG, | |
730 | mmMC_CITF_MISC_VM_CG, | |
731 | mmVM_L2_CG, | |
732 | }; | |
733 | ||
734 | static const u32 mc_cg_ls_en[] = { | |
735 | MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK, | |
736 | MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK, | |
737 | MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK, | |
738 | MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK, | |
739 | ATC_MISC_CG__MEM_LS_ENABLE_MASK, | |
740 | MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK, | |
741 | MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK, | |
742 | MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK, | |
743 | VM_L2_CG__MEM_LS_ENABLE_MASK, | |
744 | }; | |
745 | ||
746 | static const u32 mc_cg_en[] = { | |
747 | MC_HUB_MISC_HUB_CG__ENABLE_MASK, | |
748 | MC_HUB_MISC_SIP_CG__ENABLE_MASK, | |
749 | MC_HUB_MISC_VM_CG__ENABLE_MASK, | |
750 | MC_XPB_CLK_GAT__ENABLE_MASK, | |
751 | ATC_MISC_CG__ENABLE_MASK, | |
752 | MC_CITF_MISC_WR_CG__ENABLE_MASK, | |
753 | MC_CITF_MISC_RD_CG__ENABLE_MASK, | |
754 | MC_CITF_MISC_VM_CG__ENABLE_MASK, | |
755 | VM_L2_CG__ENABLE_MASK, | |
756 | }; | |
757 | ||
758 | static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev, | |
759 | bool enable) | |
760 | { | |
761 | int i; | |
762 | u32 orig, data; | |
763 | ||
764 | for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { | |
765 | orig = data = RREG32(mc_cg_registers[i]); | |
e3b04bc7 | 766 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) |
a2e73f56 AD |
767 | data |= mc_cg_ls_en[i]; |
768 | else | |
769 | data &= ~mc_cg_ls_en[i]; | |
770 | if (data != orig) | |
771 | WREG32(mc_cg_registers[i], data); | |
772 | } | |
773 | } | |
774 | ||
775 | static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev, | |
776 | bool enable) | |
777 | { | |
778 | int i; | |
779 | u32 orig, data; | |
780 | ||
781 | for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { | |
782 | orig = data = RREG32(mc_cg_registers[i]); | |
e3b04bc7 | 783 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) |
a2e73f56 AD |
784 | data |= mc_cg_en[i]; |
785 | else | |
786 | data &= ~mc_cg_en[i]; | |
787 | if (data != orig) | |
788 | WREG32(mc_cg_registers[i], data); | |
789 | } | |
790 | } | |
791 | ||
792 | static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev, | |
793 | bool enable) | |
794 | { | |
795 | u32 orig, data; | |
796 | ||
797 | orig = data = RREG32_PCIE(ixPCIE_CNTL2); | |
798 | ||
e3b04bc7 | 799 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { |
a2e73f56 AD |
800 | data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); |
801 | data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); | |
802 | data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); | |
803 | data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1); | |
804 | } else { | |
805 | data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0); | |
806 | data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0); | |
807 | data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0); | |
808 | data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0); | |
809 | } | |
810 | ||
811 | if (orig != data) | |
812 | WREG32_PCIE(ixPCIE_CNTL2, data); | |
813 | } | |
814 | ||
815 | static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev, | |
816 | bool enable) | |
817 | { | |
818 | u32 orig, data; | |
819 | ||
820 | orig = data = RREG32(mmHDP_HOST_PATH_CNTL); | |
821 | ||
e3b04bc7 | 822 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG)) |
a2e73f56 AD |
823 | data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); |
824 | else | |
825 | data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); | |
826 | ||
827 | if (orig != data) | |
828 | WREG32(mmHDP_HOST_PATH_CNTL, data); | |
829 | } | |
830 | ||
831 | static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev, | |
832 | bool enable) | |
833 | { | |
834 | u32 orig, data; | |
835 | ||
836 | orig = data = RREG32(mmHDP_MEM_POWER_LS); | |
837 | ||
e3b04bc7 | 838 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS)) |
a2e73f56 AD |
839 | data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); |
840 | else | |
841 | data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); | |
842 | ||
843 | if (orig != data) | |
844 | WREG32(mmHDP_MEM_POWER_LS, data); | |
845 | } | |
846 | ||
81c59f54 KW |
847 | static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type) |
848 | { | |
849 | switch (mc_seq_vram_type) { | |
850 | case MC_SEQ_MISC0__MT__GDDR1: | |
851 | return AMDGPU_VRAM_TYPE_GDDR1; | |
852 | case MC_SEQ_MISC0__MT__DDR2: | |
853 | return AMDGPU_VRAM_TYPE_DDR2; | |
854 | case MC_SEQ_MISC0__MT__GDDR3: | |
855 | return AMDGPU_VRAM_TYPE_GDDR3; | |
856 | case MC_SEQ_MISC0__MT__GDDR4: | |
857 | return AMDGPU_VRAM_TYPE_GDDR4; | |
858 | case MC_SEQ_MISC0__MT__GDDR5: | |
859 | return AMDGPU_VRAM_TYPE_GDDR5; | |
860 | case MC_SEQ_MISC0__MT__HBM: | |
861 | return AMDGPU_VRAM_TYPE_HBM; | |
862 | case MC_SEQ_MISC0__MT__DDR3: | |
863 | return AMDGPU_VRAM_TYPE_DDR3; | |
864 | default: | |
865 | return AMDGPU_VRAM_TYPE_UNKNOWN; | |
866 | } | |
867 | } | |
868 | ||
5fc3aeeb | 869 | static int gmc_v7_0_early_init(void *handle) |
a2e73f56 | 870 | { |
5fc3aeeb | 871 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
872 | ||
a2e73f56 AD |
873 | gmc_v7_0_set_gart_funcs(adev); |
874 | gmc_v7_0_set_irq_funcs(adev); | |
875 | ||
a2e73f56 AD |
876 | return 0; |
877 | } | |
878 | ||
140b519f CK |
879 | static int gmc_v7_0_late_init(void *handle) |
880 | { | |
881 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
882 | ||
afc45421 FC |
883 | if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) |
884 | return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); | |
885 | else | |
886 | return 0; | |
140b519f CK |
887 | } |
888 | ||
5fc3aeeb | 889 | static int gmc_v7_0_sw_init(void *handle) |
a2e73f56 AD |
890 | { |
891 | int r; | |
892 | int dma_bits; | |
5fc3aeeb | 893 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 | 894 | |
d1518a1d AD |
895 | if (adev->flags & AMD_IS_APU) { |
896 | adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; | |
897 | } else { | |
898 | u32 tmp = RREG32(mmMC_SEQ_MISC0); | |
899 | tmp &= MC_SEQ_MISC0__MT__MASK; | |
900 | adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); | |
901 | } | |
902 | ||
a2e73f56 AD |
903 | r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); |
904 | if (r) | |
905 | return r; | |
906 | ||
907 | r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault); | |
908 | if (r) | |
909 | return r; | |
910 | ||
911 | /* Adjust VM size here. | |
912 | * Currently set to 4GB ((1 << 20) 4k pages). | |
913 | * Max GPUVM size for cayman and SI is 40 bits. | |
914 | */ | |
915 | adev->vm_manager.max_pfn = amdgpu_vm_size << 18; | |
916 | ||
917 | /* Set the internal MC address mask | |
918 | * This is the max address of the GPU's | |
919 | * internal address space. | |
920 | */ | |
921 | adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ | |
922 | ||
923 | /* set DMA mask + need_dma32 flags. | |
924 | * PCIE - can handle 40-bits. | |
925 | * IGP - can handle 40-bits | |
926 | * PCI - dma32 for legacy pci gart, 40 bits on newer asics | |
927 | */ | |
928 | adev->need_dma32 = false; | |
929 | dma_bits = adev->need_dma32 ? 32 : 40; | |
930 | r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
931 | if (r) { | |
932 | adev->need_dma32 = true; | |
933 | dma_bits = 32; | |
934 | printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); | |
935 | } | |
936 | r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
937 | if (r) { | |
938 | pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); | |
939 | printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); | |
940 | } | |
941 | ||
942 | r = gmc_v7_0_init_microcode(adev); | |
943 | if (r) { | |
944 | DRM_ERROR("Failed to load mc firmware!\n"); | |
945 | return r; | |
946 | } | |
947 | ||
a693e050 KW |
948 | r = amdgpu_ttm_global_init(adev); |
949 | if (r) { | |
950 | return r; | |
951 | } | |
952 | ||
a2e73f56 AD |
953 | r = gmc_v7_0_mc_init(adev); |
954 | if (r) | |
955 | return r; | |
956 | ||
957 | /* Memory manager */ | |
958 | r = amdgpu_bo_init(adev); | |
959 | if (r) | |
960 | return r; | |
961 | ||
962 | r = gmc_v7_0_gart_init(adev); | |
963 | if (r) | |
964 | return r; | |
965 | ||
966 | if (!adev->vm_manager.enabled) { | |
967 | r = gmc_v7_0_vm_init(adev); | |
968 | if (r) { | |
969 | dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); | |
970 | return r; | |
971 | } | |
972 | adev->vm_manager.enabled = true; | |
973 | } | |
974 | ||
975 | return r; | |
976 | } | |
977 | ||
5fc3aeeb | 978 | static int gmc_v7_0_sw_fini(void *handle) |
a2e73f56 | 979 | { |
5fc3aeeb | 980 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
981 | |
982 | if (adev->vm_manager.enabled) { | |
ea89f8c9 | 983 | amdgpu_vm_manager_fini(adev); |
a2e73f56 AD |
984 | gmc_v7_0_vm_fini(adev); |
985 | adev->vm_manager.enabled = false; | |
986 | } | |
987 | gmc_v7_0_gart_fini(adev); | |
418aa0c2 | 988 | amdgpu_gem_force_release(adev); |
a2e73f56 AD |
989 | amdgpu_bo_fini(adev); |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
5fc3aeeb | 994 | static int gmc_v7_0_hw_init(void *handle) |
a2e73f56 AD |
995 | { |
996 | int r; | |
5fc3aeeb | 997 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 | 998 | |
72b459c8 AD |
999 | gmc_v7_0_init_golden_registers(adev); |
1000 | ||
a2e73f56 AD |
1001 | gmc_v7_0_mc_program(adev); |
1002 | ||
2f7d10b3 | 1003 | if (!(adev->flags & AMD_IS_APU)) { |
a2e73f56 AD |
1004 | r = gmc_v7_0_mc_load_microcode(adev); |
1005 | if (r) { | |
1006 | DRM_ERROR("Failed to load MC firmware!\n"); | |
1007 | return r; | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | r = gmc_v7_0_gart_enable(adev); | |
1012 | if (r) | |
1013 | return r; | |
1014 | ||
1015 | return r; | |
1016 | } | |
1017 | ||
5fc3aeeb | 1018 | static int gmc_v7_0_hw_fini(void *handle) |
a2e73f56 | 1019 | { |
5fc3aeeb | 1020 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1021 | ||
140b519f | 1022 | amdgpu_irq_put(adev, &adev->mc.vm_fault, 0); |
a2e73f56 AD |
1023 | gmc_v7_0_gart_disable(adev); |
1024 | ||
1025 | return 0; | |
1026 | } | |
1027 | ||
5fc3aeeb | 1028 | static int gmc_v7_0_suspend(void *handle) |
a2e73f56 | 1029 | { |
5fc3aeeb | 1030 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1031 | |
1032 | if (adev->vm_manager.enabled) { | |
a2e73f56 AD |
1033 | gmc_v7_0_vm_fini(adev); |
1034 | adev->vm_manager.enabled = false; | |
1035 | } | |
1036 | gmc_v7_0_hw_fini(adev); | |
1037 | ||
1038 | return 0; | |
1039 | } | |
1040 | ||
5fc3aeeb | 1041 | static int gmc_v7_0_resume(void *handle) |
a2e73f56 AD |
1042 | { |
1043 | int r; | |
5fc3aeeb | 1044 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1045 | |
1046 | r = gmc_v7_0_hw_init(adev); | |
1047 | if (r) | |
1048 | return r; | |
1049 | ||
1050 | if (!adev->vm_manager.enabled) { | |
1051 | r = gmc_v7_0_vm_init(adev); | |
1052 | if (r) { | |
1053 | dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); | |
1054 | return r; | |
1055 | } | |
1056 | adev->vm_manager.enabled = true; | |
1057 | } | |
1058 | ||
1059 | return r; | |
1060 | } | |
1061 | ||
5fc3aeeb | 1062 | static bool gmc_v7_0_is_idle(void *handle) |
a2e73f56 | 1063 | { |
5fc3aeeb | 1064 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1065 | u32 tmp = RREG32(mmSRBM_STATUS); |
1066 | ||
1067 | if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1068 | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) | |
1069 | return false; | |
1070 | ||
1071 | return true; | |
1072 | } | |
1073 | ||
5fc3aeeb | 1074 | static int gmc_v7_0_wait_for_idle(void *handle) |
a2e73f56 AD |
1075 | { |
1076 | unsigned i; | |
1077 | u32 tmp; | |
5fc3aeeb | 1078 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1079 | |
1080 | for (i = 0; i < adev->usec_timeout; i++) { | |
1081 | /* read MC_STATUS */ | |
1082 | tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | | |
1083 | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1084 | SRBM_STATUS__MCC_BUSY_MASK | | |
1085 | SRBM_STATUS__MCD_BUSY_MASK | | |
1086 | SRBM_STATUS__VMC_BUSY_MASK); | |
1087 | if (!tmp) | |
1088 | return 0; | |
1089 | udelay(1); | |
1090 | } | |
1091 | return -ETIMEDOUT; | |
1092 | ||
1093 | } | |
1094 | ||
5fc3aeeb | 1095 | static int gmc_v7_0_soft_reset(void *handle) |
a2e73f56 | 1096 | { |
5fc3aeeb | 1097 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1098 | struct amdgpu_mode_mc_save save; |
1099 | u32 srbm_soft_reset = 0; | |
1100 | u32 tmp = RREG32(mmSRBM_STATUS); | |
1101 | ||
1102 | if (tmp & SRBM_STATUS__VMC_BUSY_MASK) | |
1103 | srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, | |
1104 | SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); | |
1105 | ||
1106 | if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | | |
1107 | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { | |
2f7d10b3 | 1108 | if (!(adev->flags & AMD_IS_APU)) |
a2e73f56 AD |
1109 | srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, |
1110 | SRBM_SOFT_RESET, SOFT_RESET_MC, 1); | |
1111 | } | |
1112 | ||
1113 | if (srbm_soft_reset) { | |
a2e73f56 | 1114 | gmc_v7_0_mc_stop(adev, &save); |
313c45fd | 1115 | if (gmc_v7_0_wait_for_idle((void *)adev)) { |
a2e73f56 AD |
1116 | dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); |
1117 | } | |
1118 | ||
1119 | ||
1120 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1121 | tmp |= srbm_soft_reset; | |
1122 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1123 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1124 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1125 | ||
1126 | udelay(50); | |
1127 | ||
1128 | tmp &= ~srbm_soft_reset; | |
1129 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1130 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1131 | ||
1132 | /* Wait a little for things to settle down */ | |
1133 | udelay(50); | |
1134 | ||
1135 | gmc_v7_0_mc_resume(adev, &save); | |
1136 | udelay(50); | |
a2e73f56 AD |
1137 | } |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
1142 | static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev, | |
1143 | struct amdgpu_irq_src *src, | |
1144 | unsigned type, | |
1145 | enum amdgpu_interrupt_state state) | |
1146 | { | |
1147 | u32 tmp; | |
1148 | u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1149 | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1150 | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1151 | VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1152 | VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
1153 | VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); | |
1154 | ||
1155 | switch (state) { | |
1156 | case AMDGPU_IRQ_STATE_DISABLE: | |
1157 | /* system context */ | |
1158 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
1159 | tmp &= ~bits; | |
1160 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
1161 | /* VMs */ | |
1162 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
1163 | tmp &= ~bits; | |
1164 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
1165 | break; | |
1166 | case AMDGPU_IRQ_STATE_ENABLE: | |
1167 | /* system context */ | |
1168 | tmp = RREG32(mmVM_CONTEXT0_CNTL); | |
1169 | tmp |= bits; | |
1170 | WREG32(mmVM_CONTEXT0_CNTL, tmp); | |
1171 | /* VMs */ | |
1172 | tmp = RREG32(mmVM_CONTEXT1_CNTL); | |
1173 | tmp |= bits; | |
1174 | WREG32(mmVM_CONTEXT1_CNTL, tmp); | |
1175 | break; | |
1176 | default: | |
1177 | break; | |
1178 | } | |
1179 | ||
1180 | return 0; | |
1181 | } | |
1182 | ||
1183 | static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, | |
1184 | struct amdgpu_irq_src *source, | |
1185 | struct amdgpu_iv_entry *entry) | |
1186 | { | |
1187 | u32 addr, status, mc_client; | |
1188 | ||
1189 | addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); | |
1190 | status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); | |
1191 | mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); | |
ce0c6bcd CK |
1192 | /* reset addr and status */ |
1193 | WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); | |
1194 | ||
1195 | if (!addr && !status) | |
1196 | return 0; | |
1197 | ||
d9c13156 CK |
1198 | if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) |
1199 | gmc_v7_0_set_fault_enable_default(adev, false); | |
1200 | ||
a2e73f56 AD |
1201 | dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", |
1202 | entry->src_id, entry->src_data); | |
1203 | dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", | |
1204 | addr); | |
1205 | dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", | |
1206 | status); | |
1207 | gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client); | |
a2e73f56 AD |
1208 | |
1209 | return 0; | |
1210 | } | |
1211 | ||
5fc3aeeb | 1212 | static int gmc_v7_0_set_clockgating_state(void *handle, |
1213 | enum amd_clockgating_state state) | |
a2e73f56 AD |
1214 | { |
1215 | bool gate = false; | |
5fc3aeeb | 1216 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 | 1217 | |
5fc3aeeb | 1218 | if (state == AMD_CG_STATE_GATE) |
a2e73f56 AD |
1219 | gate = true; |
1220 | ||
2f7d10b3 | 1221 | if (!(adev->flags & AMD_IS_APU)) { |
a2e73f56 AD |
1222 | gmc_v7_0_enable_mc_mgcg(adev, gate); |
1223 | gmc_v7_0_enable_mc_ls(adev, gate); | |
1224 | } | |
1225 | gmc_v7_0_enable_bif_mgls(adev, gate); | |
1226 | gmc_v7_0_enable_hdp_mgcg(adev, gate); | |
1227 | gmc_v7_0_enable_hdp_ls(adev, gate); | |
1228 | ||
1229 | return 0; | |
1230 | } | |
1231 | ||
5fc3aeeb | 1232 | static int gmc_v7_0_set_powergating_state(void *handle, |
1233 | enum amd_powergating_state state) | |
a2e73f56 AD |
1234 | { |
1235 | return 0; | |
1236 | } | |
1237 | ||
5fc3aeeb | 1238 | const struct amd_ip_funcs gmc_v7_0_ip_funcs = { |
88a907d6 | 1239 | .name = "gmc_v7_0", |
a2e73f56 | 1240 | .early_init = gmc_v7_0_early_init, |
140b519f | 1241 | .late_init = gmc_v7_0_late_init, |
a2e73f56 AD |
1242 | .sw_init = gmc_v7_0_sw_init, |
1243 | .sw_fini = gmc_v7_0_sw_fini, | |
1244 | .hw_init = gmc_v7_0_hw_init, | |
1245 | .hw_fini = gmc_v7_0_hw_fini, | |
1246 | .suspend = gmc_v7_0_suspend, | |
1247 | .resume = gmc_v7_0_resume, | |
1248 | .is_idle = gmc_v7_0_is_idle, | |
1249 | .wait_for_idle = gmc_v7_0_wait_for_idle, | |
1250 | .soft_reset = gmc_v7_0_soft_reset, | |
a2e73f56 AD |
1251 | .set_clockgating_state = gmc_v7_0_set_clockgating_state, |
1252 | .set_powergating_state = gmc_v7_0_set_powergating_state, | |
1253 | }; | |
1254 | ||
1255 | static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = { | |
1256 | .flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb, | |
1257 | .set_pte_pde = gmc_v7_0_gart_set_pte_pde, | |
1258 | }; | |
1259 | ||
1260 | static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = { | |
1261 | .set = gmc_v7_0_vm_fault_interrupt_state, | |
1262 | .process = gmc_v7_0_process_interrupt, | |
1263 | }; | |
1264 | ||
1265 | static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev) | |
1266 | { | |
1267 | if (adev->gart.gart_funcs == NULL) | |
1268 | adev->gart.gart_funcs = &gmc_v7_0_gart_funcs; | |
1269 | } | |
1270 | ||
1271 | static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev) | |
1272 | { | |
1273 | adev->mc.vm_fault.num_types = 1; | |
1274 | adev->mc.vm_fault.funcs = &gmc_v7_0_irq_funcs; | |
1275 | } |