gmc_v6_0.c 31 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991001011021031041051061071081091101111121131141151161171181191201211221231241251261271281291301311321331341351361371381391401411421431441451461471481491501511521531541551561571581591601611621631641651661671681691701711721731741751761771781791801811821831841851861871881891901911921931941951961971981992002012022032042052062072082092102112122132142152162172182192202212222232242252262272282292302312322332342352362372382392402412422432442452462472482492502512522532542552562572582592602612622632642652662672682692702712722732742752762772782792802812822832842852862872882892902912922932942952962972982993003013023033043053063073083093103113123133143153163173183193203213223233243253263273283293303313323333343353363373383393403413423433443453463473483493503513523533543553563573583593603613623633643653663673683693703713723733743753763773783793803813823833843853863873883893903913923933943953963973983994004014024034044054064074084094104114124134144154164174184194204214224234244254264274284294304314324334344354364374384394404414424434444454464474484494504514524534544554564574584594604614624634644654664674684694704714724734744754764774784794804814824834844854864874884894904914924934944954964974984995005015025035045055065075085095105115125135145155165175185195205215225235245255265275285295305315325335345355365375385395405415425435445455465475485495505515525535545555565575585595605615625635645655665675685695705715725735745755765775785795805815825835845855865875885895905915925935945955965975985996006016026036046056066076086096106116126136146156166176186196206216226236246256266276286296306316326336346356366376386396406416426436446456466476486496506516526536546556566576586596606616626636646656666676686696706716726736746756766776786796806816826836846856866876886896906916926936946956966976986997007017027037047057067077087097107117127137147157167177187197207217227237247257267277287297307317327337347357367377387397407417427437447457467477487497507517527537547557567577587597607617627637647657667677687697707717727737747757767777787797807817827837847857867877887897907917927937947957967977987998008018028038048058068078088098108118128138148158168178188198208218228238248258268278288298308318328338348358368378388398408418428438448458468478488498508518528538548558568578588598608618628638648658668678688698708718728738748758768778788798808818828838848858868878888898908918928938948958968978988999009019029039049059069079089099109119129139149159169179189199209219229239249259269279289299309319329339349359369379389399409419429439449459469479489499509519529539549559569579589599609619629639649659669679689699709719729739749759769779789799809819829839849859869879889899909919929939949959969979989991000100110021003100410051006100710081009101010111012101310141015101610171018101910201021102210231024102510261027102810291030103110321033103410351036103710381039104010411042104310441045104610471048104910501051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120112111221123112411251126112711281129113011311132113311341135113611371138113911401141114211431144114511461147114811491150115111521153115411551156115711581159116011611162
  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 <drm/drmP.h>
  25. #include "amdgpu.h"
  26. #include "gmc_v6_0.h"
  27. #include "amdgpu_ucode.h"
  28. #include "bif/bif_3_0_d.h"
  29. #include "bif/bif_3_0_sh_mask.h"
  30. #include "oss/oss_1_0_d.h"
  31. #include "oss/oss_1_0_sh_mask.h"
  32. #include "gmc/gmc_6_0_d.h"
  33. #include "gmc/gmc_6_0_sh_mask.h"
  34. #include "dce/dce_6_0_d.h"
  35. #include "dce/dce_6_0_sh_mask.h"
  36. #include "si_enums.h"
  37. static void gmc_v6_0_set_gart_funcs(struct amdgpu_device *adev);
  38. static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev);
  39. static int gmc_v6_0_wait_for_idle(void *handle);
  40. MODULE_FIRMWARE("radeon/tahiti_mc.bin");
  41. MODULE_FIRMWARE("radeon/pitcairn_mc.bin");
  42. MODULE_FIRMWARE("radeon/verde_mc.bin");
  43. MODULE_FIRMWARE("radeon/oland_mc.bin");
  44. MODULE_FIRMWARE("radeon/si58_mc.bin");
  45. #define MC_SEQ_MISC0__MT__MASK 0xf0000000
  46. #define MC_SEQ_MISC0__MT__GDDR1 0x10000000
  47. #define MC_SEQ_MISC0__MT__DDR2 0x20000000
  48. #define MC_SEQ_MISC0__MT__GDDR3 0x30000000
  49. #define MC_SEQ_MISC0__MT__GDDR4 0x40000000
  50. #define MC_SEQ_MISC0__MT__GDDR5 0x50000000
  51. #define MC_SEQ_MISC0__MT__HBM 0x60000000
  52. #define MC_SEQ_MISC0__MT__DDR3 0xB0000000
  53. static const u32 crtc_offsets[6] =
  54. {
  55. SI_CRTC0_REGISTER_OFFSET,
  56. SI_CRTC1_REGISTER_OFFSET,
  57. SI_CRTC2_REGISTER_OFFSET,
  58. SI_CRTC3_REGISTER_OFFSET,
  59. SI_CRTC4_REGISTER_OFFSET,
  60. SI_CRTC5_REGISTER_OFFSET
  61. };
  62. static void gmc_v6_0_mc_stop(struct amdgpu_device *adev)
  63. {
  64. u32 blackout;
  65. gmc_v6_0_wait_for_idle((void *)adev);
  66. blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
  67. if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
  68. /* Block CPU access */
  69. WREG32(mmBIF_FB_EN, 0);
  70. /* blackout the MC */
  71. blackout = REG_SET_FIELD(blackout,
  72. MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
  73. WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
  74. }
  75. /* wait for the MC to settle */
  76. udelay(100);
  77. }
  78. static void gmc_v6_0_mc_resume(struct amdgpu_device *adev)
  79. {
  80. u32 tmp;
  81. /* unblackout the MC */
  82. tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
  83. tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
  84. WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
  85. /* allow CPU access */
  86. tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
  87. tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
  88. WREG32(mmBIF_FB_EN, tmp);
  89. }
  90. static int gmc_v6_0_init_microcode(struct amdgpu_device *adev)
  91. {
  92. const char *chip_name;
  93. char fw_name[30];
  94. int err;
  95. bool is_58_fw = false;
  96. DRM_DEBUG("\n");
  97. switch (adev->asic_type) {
  98. case CHIP_TAHITI:
  99. chip_name = "tahiti";
  100. break;
  101. case CHIP_PITCAIRN:
  102. chip_name = "pitcairn";
  103. break;
  104. case CHIP_VERDE:
  105. chip_name = "verde";
  106. break;
  107. case CHIP_OLAND:
  108. chip_name = "oland";
  109. break;
  110. case CHIP_HAINAN:
  111. chip_name = "hainan";
  112. break;
  113. default: BUG();
  114. }
  115. /* this memory configuration requires special firmware */
  116. if (((RREG32(mmMC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58)
  117. is_58_fw = true;
  118. if (is_58_fw)
  119. snprintf(fw_name, sizeof(fw_name), "radeon/si58_mc.bin");
  120. else
  121. snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
  122. err = request_firmware(&adev->mc.fw, fw_name, adev->dev);
  123. if (err)
  124. goto out;
  125. err = amdgpu_ucode_validate(adev->mc.fw);
  126. out:
  127. if (err) {
  128. dev_err(adev->dev,
  129. "si_mc: Failed to load firmware \"%s\"\n",
  130. fw_name);
  131. release_firmware(adev->mc.fw);
  132. adev->mc.fw = NULL;
  133. }
  134. return err;
  135. }
  136. static int gmc_v6_0_mc_load_microcode(struct amdgpu_device *adev)
  137. {
  138. const __le32 *new_fw_data = NULL;
  139. u32 running;
  140. const __le32 *new_io_mc_regs = NULL;
  141. int i, regs_size, ucode_size;
  142. const struct mc_firmware_header_v1_0 *hdr;
  143. if (!adev->mc.fw)
  144. return -EINVAL;
  145. hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data;
  146. amdgpu_ucode_print_mc_hdr(&hdr->header);
  147. adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version);
  148. regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
  149. new_io_mc_regs = (const __le32 *)
  150. (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
  151. ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
  152. new_fw_data = (const __le32 *)
  153. (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
  154. running = RREG32(mmMC_SEQ_SUP_CNTL) & MC_SEQ_SUP_CNTL__RUN_MASK;
  155. if (running == 0) {
  156. /* reset the engine and set to writable */
  157. WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
  158. WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
  159. /* load mc io regs */
  160. for (i = 0; i < regs_size; i++) {
  161. WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++));
  162. WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++));
  163. }
  164. /* load the MC ucode */
  165. for (i = 0; i < ucode_size; i++) {
  166. WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++));
  167. }
  168. /* put the engine back into the active state */
  169. WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
  170. WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
  171. WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
  172. /* wait for training to complete */
  173. for (i = 0; i < adev->usec_timeout; i++) {
  174. if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D0_MASK)
  175. break;
  176. udelay(1);
  177. }
  178. for (i = 0; i < adev->usec_timeout; i++) {
  179. if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D1_MASK)
  180. break;
  181. udelay(1);
  182. }
  183. }
  184. return 0;
  185. }
  186. static void gmc_v6_0_vram_gtt_location(struct amdgpu_device *adev,
  187. struct amdgpu_mc *mc)
  188. {
  189. u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
  190. base <<= 24;
  191. amdgpu_device_vram_location(adev, &adev->mc, base);
  192. amdgpu_device_gart_location(adev, mc);
  193. }
  194. static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
  195. {
  196. int i, j;
  197. /* Initialize HDP */
  198. for (i = 0, j = 0; i < 32; i++, j += 0x6) {
  199. WREG32((0xb05 + j), 0x00000000);
  200. WREG32((0xb06 + j), 0x00000000);
  201. WREG32((0xb07 + j), 0x00000000);
  202. WREG32((0xb08 + j), 0x00000000);
  203. WREG32((0xb09 + j), 0x00000000);
  204. }
  205. WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
  206. if (gmc_v6_0_wait_for_idle((void *)adev)) {
  207. dev_warn(adev->dev, "Wait for MC idle timedout !\n");
  208. }
  209. if (adev->mode_info.num_crtc) {
  210. u32 tmp;
  211. /* Lockout access through VGA aperture*/
  212. tmp = RREG32(mmVGA_HDP_CONTROL);
  213. tmp |= VGA_HDP_CONTROL__VGA_MEMORY_DISABLE_MASK;
  214. WREG32(mmVGA_HDP_CONTROL, tmp);
  215. /* disable VGA render */
  216. tmp = RREG32(mmVGA_RENDER_CONTROL);
  217. tmp &= ~VGA_VSTATUS_CNTL;
  218. WREG32(mmVGA_RENDER_CONTROL, tmp);
  219. }
  220. /* Update configuration */
  221. WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
  222. adev->mc.vram_start >> 12);
  223. WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
  224. adev->mc.vram_end >> 12);
  225. WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
  226. adev->vram_scratch.gpu_addr >> 12);
  227. WREG32(mmMC_VM_AGP_BASE, 0);
  228. WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
  229. WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
  230. if (gmc_v6_0_wait_for_idle((void *)adev)) {
  231. dev_warn(adev->dev, "Wait for MC idle timedout !\n");
  232. }
  233. }
  234. static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
  235. {
  236. u32 tmp;
  237. int chansize, numchan;
  238. int r;
  239. tmp = RREG32(mmMC_ARB_RAMCFG);
  240. if (tmp & (1 << 11)) {
  241. chansize = 16;
  242. } else if (tmp & MC_ARB_RAMCFG__CHANSIZE_MASK) {
  243. chansize = 64;
  244. } else {
  245. chansize = 32;
  246. }
  247. tmp = RREG32(mmMC_SHARED_CHMAP);
  248. switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
  249. case 0:
  250. default:
  251. numchan = 1;
  252. break;
  253. case 1:
  254. numchan = 2;
  255. break;
  256. case 2:
  257. numchan = 4;
  258. break;
  259. case 3:
  260. numchan = 8;
  261. break;
  262. case 4:
  263. numchan = 3;
  264. break;
  265. case 5:
  266. numchan = 6;
  267. break;
  268. case 6:
  269. numchan = 10;
  270. break;
  271. case 7:
  272. numchan = 12;
  273. break;
  274. case 8:
  275. numchan = 16;
  276. break;
  277. }
  278. adev->mc.vram_width = numchan * chansize;
  279. /* size in MB on si */
  280. adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
  281. adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
  282. if (!(adev->flags & AMD_IS_APU)) {
  283. r = amdgpu_device_resize_fb_bar(adev);
  284. if (r)
  285. return r;
  286. }
  287. adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
  288. adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
  289. adev->mc.visible_vram_size = adev->mc.aper_size;
  290. /* set the gart size */
  291. if (amdgpu_gart_size == -1) {
  292. switch (adev->asic_type) {
  293. case CHIP_HAINAN: /* no MM engines */
  294. default:
  295. adev->mc.gart_size = 256ULL << 20;
  296. break;
  297. case CHIP_VERDE: /* UVD, VCE do not support GPUVM */
  298. case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */
  299. case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
  300. case CHIP_OLAND: /* UVD, VCE do not support GPUVM */
  301. adev->mc.gart_size = 1024ULL << 20;
  302. break;
  303. }
  304. } else {
  305. adev->mc.gart_size = (u64)amdgpu_gart_size << 20;
  306. }
  307. gmc_v6_0_vram_gtt_location(adev, &adev->mc);
  308. return 0;
  309. }
  310. static void gmc_v6_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
  311. uint32_t vmid)
  312. {
  313. WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0);
  314. WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
  315. }
  316. static int gmc_v6_0_gart_set_pte_pde(struct amdgpu_device *adev,
  317. void *cpu_pt_addr,
  318. uint32_t gpu_page_idx,
  319. uint64_t addr,
  320. uint64_t flags)
  321. {
  322. void __iomem *ptr = (void *)cpu_pt_addr;
  323. uint64_t value;
  324. value = addr & 0xFFFFFFFFFFFFF000ULL;
  325. value |= flags;
  326. writeq(value, ptr + (gpu_page_idx * 8));
  327. return 0;
  328. }
  329. static uint64_t gmc_v6_0_get_vm_pte_flags(struct amdgpu_device *adev,
  330. uint32_t flags)
  331. {
  332. uint64_t pte_flag = 0;
  333. if (flags & AMDGPU_VM_PAGE_READABLE)
  334. pte_flag |= AMDGPU_PTE_READABLE;
  335. if (flags & AMDGPU_VM_PAGE_WRITEABLE)
  336. pte_flag |= AMDGPU_PTE_WRITEABLE;
  337. if (flags & AMDGPU_VM_PAGE_PRT)
  338. pte_flag |= AMDGPU_PTE_PRT;
  339. return pte_flag;
  340. }
  341. static void gmc_v6_0_get_vm_pde(struct amdgpu_device *adev, int level,
  342. uint64_t *addr, uint64_t *flags)
  343. {
  344. BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
  345. }
  346. static void gmc_v6_0_set_fault_enable_default(struct amdgpu_device *adev,
  347. bool value)
  348. {
  349. u32 tmp;
  350. tmp = RREG32(mmVM_CONTEXT1_CNTL);
  351. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  352. RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  353. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  354. DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  355. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  356. PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  357. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  358. VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  359. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  360. READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  361. tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
  362. WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
  363. WREG32(mmVM_CONTEXT1_CNTL, tmp);
  364. }
  365. /**
  366. + * gmc_v8_0_set_prt - set PRT VM fault
  367. + *
  368. + * @adev: amdgpu_device pointer
  369. + * @enable: enable/disable VM fault handling for PRT
  370. +*/
  371. static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable)
  372. {
  373. u32 tmp;
  374. if (enable && !adev->mc.prt_warning) {
  375. dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
  376. adev->mc.prt_warning = true;
  377. }
  378. tmp = RREG32(mmVM_PRT_CNTL);
  379. tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
  380. CB_DISABLE_FAULT_ON_UNMAPPED_ACCESS,
  381. enable);
  382. tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
  383. TC_DISABLE_FAULT_ON_UNMAPPED_ACCESS,
  384. enable);
  385. tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
  386. L2_CACHE_STORE_INVALID_ENTRIES,
  387. enable);
  388. tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
  389. L1_TLB_STORE_INVALID_ENTRIES,
  390. enable);
  391. WREG32(mmVM_PRT_CNTL, tmp);
  392. if (enable) {
  393. uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
  394. uint32_t high = adev->vm_manager.max_pfn;
  395. WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
  396. WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
  397. WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
  398. WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
  399. WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
  400. WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
  401. WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
  402. WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
  403. } else {
  404. WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
  405. WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
  406. WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
  407. WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
  408. WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
  409. WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
  410. WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
  411. WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
  412. }
  413. }
  414. static int gmc_v6_0_gart_enable(struct amdgpu_device *adev)
  415. {
  416. int r, i;
  417. u32 field;
  418. if (adev->gart.robj == NULL) {
  419. dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
  420. return -EINVAL;
  421. }
  422. r = amdgpu_gart_table_vram_pin(adev);
  423. if (r)
  424. return r;
  425. /* Setup TLB control */
  426. WREG32(mmMC_VM_MX_L1_TLB_CNTL,
  427. (0xA << 7) |
  428. MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_TLB_MASK |
  429. MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_FRAGMENT_PROCESSING_MASK |
  430. MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
  431. MC_VM_MX_L1_TLB_CNTL__ENABLE_ADVANCED_DRIVER_MODEL_MASK |
  432. (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
  433. /* Setup L2 cache */
  434. WREG32(mmVM_L2_CNTL,
  435. VM_L2_CNTL__ENABLE_L2_CACHE_MASK |
  436. VM_L2_CNTL__ENABLE_L2_FRAGMENT_PROCESSING_MASK |
  437. VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
  438. VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
  439. (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
  440. (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
  441. WREG32(mmVM_L2_CNTL2,
  442. VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK |
  443. VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK);
  444. field = adev->vm_manager.fragment_size;
  445. WREG32(mmVM_L2_CNTL3,
  446. VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
  447. (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) |
  448. (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
  449. /* setup context0 */
  450. WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gart_start >> 12);
  451. WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->mc.gart_end >> 12);
  452. WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12);
  453. WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
  454. (u32)(adev->dummy_page.addr >> 12));
  455. WREG32(mmVM_CONTEXT0_CNTL2, 0);
  456. WREG32(mmVM_CONTEXT0_CNTL,
  457. VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK |
  458. (0UL << VM_CONTEXT0_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
  459. VM_CONTEXT0_CNTL__RANGE_PROTECTION_FAULT_ENABLE_DEFAULT_MASK);
  460. WREG32(0x575, 0);
  461. WREG32(0x576, 0);
  462. WREG32(0x577, 0);
  463. /* empty context1-15 */
  464. /* set vm size, must be a multiple of 4 */
  465. WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
  466. WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
  467. /* Assign the pt base to something valid for now; the pts used for
  468. * the VMs are determined by the application and setup and assigned
  469. * on the fly in the vm part of radeon_gart.c
  470. */
  471. for (i = 1; i < 16; i++) {
  472. if (i < 8)
  473. WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
  474. adev->gart.table_addr >> 12);
  475. else
  476. WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
  477. adev->gart.table_addr >> 12);
  478. }
  479. /* enable context1-15 */
  480. WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
  481. (u32)(adev->dummy_page.addr >> 12));
  482. WREG32(mmVM_CONTEXT1_CNTL2, 4);
  483. WREG32(mmVM_CONTEXT1_CNTL,
  484. VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK |
  485. (1UL << VM_CONTEXT1_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
  486. ((adev->vm_manager.block_size - 9)
  487. << VM_CONTEXT1_CNTL__PAGE_TABLE_BLOCK_SIZE__SHIFT));
  488. if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
  489. gmc_v6_0_set_fault_enable_default(adev, false);
  490. else
  491. gmc_v6_0_set_fault_enable_default(adev, true);
  492. gmc_v6_0_gart_flush_gpu_tlb(adev, 0);
  493. dev_info(adev->dev, "PCIE GART of %uM enabled (table at 0x%016llX).\n",
  494. (unsigned)(adev->mc.gart_size >> 20),
  495. (unsigned long long)adev->gart.table_addr);
  496. adev->gart.ready = true;
  497. return 0;
  498. }
  499. static int gmc_v6_0_gart_init(struct amdgpu_device *adev)
  500. {
  501. int r;
  502. if (adev->gart.robj) {
  503. dev_warn(adev->dev, "gmc_v6_0 PCIE GART already initialized\n");
  504. return 0;
  505. }
  506. r = amdgpu_gart_init(adev);
  507. if (r)
  508. return r;
  509. adev->gart.table_size = adev->gart.num_gpu_pages * 8;
  510. adev->gart.gart_pte_flags = 0;
  511. return amdgpu_gart_table_vram_alloc(adev);
  512. }
  513. static void gmc_v6_0_gart_disable(struct amdgpu_device *adev)
  514. {
  515. /*unsigned i;
  516. for (i = 1; i < 16; ++i) {
  517. uint32_t reg;
  518. if (i < 8)
  519. reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i ;
  520. else
  521. reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (i - 8);
  522. adev->vm_manager.saved_table_addr[i] = RREG32(reg);
  523. }*/
  524. /* Disable all tables */
  525. WREG32(mmVM_CONTEXT0_CNTL, 0);
  526. WREG32(mmVM_CONTEXT1_CNTL, 0);
  527. /* Setup TLB control */
  528. WREG32(mmMC_VM_MX_L1_TLB_CNTL,
  529. MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
  530. (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
  531. /* Setup L2 cache */
  532. WREG32(mmVM_L2_CNTL,
  533. VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
  534. VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
  535. (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
  536. (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
  537. WREG32(mmVM_L2_CNTL2, 0);
  538. WREG32(mmVM_L2_CNTL3,
  539. VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
  540. (0UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
  541. amdgpu_gart_table_vram_unpin(adev);
  542. }
  543. static void gmc_v6_0_gart_fini(struct amdgpu_device *adev)
  544. {
  545. amdgpu_gart_table_vram_free(adev);
  546. amdgpu_gart_fini(adev);
  547. }
  548. static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev,
  549. u32 status, u32 addr, u32 mc_client)
  550. {
  551. u32 mc_id;
  552. u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
  553. u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
  554. PROTECTIONS);
  555. char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
  556. (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
  557. mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
  558. MEMORY_CLIENT_ID);
  559. dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
  560. protections, vmid, addr,
  561. REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
  562. MEMORY_CLIENT_RW) ?
  563. "write" : "read", block, mc_client, mc_id);
  564. }
  565. /*
  566. static const u32 mc_cg_registers[] = {
  567. MC_HUB_MISC_HUB_CG,
  568. MC_HUB_MISC_SIP_CG,
  569. MC_HUB_MISC_VM_CG,
  570. MC_XPB_CLK_GAT,
  571. ATC_MISC_CG,
  572. MC_CITF_MISC_WR_CG,
  573. MC_CITF_MISC_RD_CG,
  574. MC_CITF_MISC_VM_CG,
  575. VM_L2_CG,
  576. };
  577. static const u32 mc_cg_ls_en[] = {
  578. MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
  579. MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
  580. MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
  581. MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
  582. ATC_MISC_CG__MEM_LS_ENABLE_MASK,
  583. MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
  584. MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
  585. MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
  586. VM_L2_CG__MEM_LS_ENABLE_MASK,
  587. };
  588. static const u32 mc_cg_en[] = {
  589. MC_HUB_MISC_HUB_CG__ENABLE_MASK,
  590. MC_HUB_MISC_SIP_CG__ENABLE_MASK,
  591. MC_HUB_MISC_VM_CG__ENABLE_MASK,
  592. MC_XPB_CLK_GAT__ENABLE_MASK,
  593. ATC_MISC_CG__ENABLE_MASK,
  594. MC_CITF_MISC_WR_CG__ENABLE_MASK,
  595. MC_CITF_MISC_RD_CG__ENABLE_MASK,
  596. MC_CITF_MISC_VM_CG__ENABLE_MASK,
  597. VM_L2_CG__ENABLE_MASK,
  598. };
  599. static void gmc_v6_0_enable_mc_ls(struct amdgpu_device *adev,
  600. bool enable)
  601. {
  602. int i;
  603. u32 orig, data;
  604. for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
  605. orig = data = RREG32(mc_cg_registers[i]);
  606. if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS))
  607. data |= mc_cg_ls_en[i];
  608. else
  609. data &= ~mc_cg_ls_en[i];
  610. if (data != orig)
  611. WREG32(mc_cg_registers[i], data);
  612. }
  613. }
  614. static void gmc_v6_0_enable_mc_mgcg(struct amdgpu_device *adev,
  615. bool enable)
  616. {
  617. int i;
  618. u32 orig, data;
  619. for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
  620. orig = data = RREG32(mc_cg_registers[i]);
  621. if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG))
  622. data |= mc_cg_en[i];
  623. else
  624. data &= ~mc_cg_en[i];
  625. if (data != orig)
  626. WREG32(mc_cg_registers[i], data);
  627. }
  628. }
  629. static void gmc_v6_0_enable_bif_mgls(struct amdgpu_device *adev,
  630. bool enable)
  631. {
  632. u32 orig, data;
  633. orig = data = RREG32_PCIE(ixPCIE_CNTL2);
  634. if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) {
  635. data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
  636. data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
  637. data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
  638. data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
  639. } else {
  640. data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
  641. data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
  642. data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
  643. data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
  644. }
  645. if (orig != data)
  646. WREG32_PCIE(ixPCIE_CNTL2, data);
  647. }
  648. static void gmc_v6_0_enable_hdp_mgcg(struct amdgpu_device *adev,
  649. bool enable)
  650. {
  651. u32 orig, data;
  652. orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
  653. if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG))
  654. data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
  655. else
  656. data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
  657. if (orig != data)
  658. WREG32(mmHDP_HOST_PATH_CNTL, data);
  659. }
  660. static void gmc_v6_0_enable_hdp_ls(struct amdgpu_device *adev,
  661. bool enable)
  662. {
  663. u32 orig, data;
  664. orig = data = RREG32(mmHDP_MEM_POWER_LS);
  665. if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS))
  666. data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
  667. else
  668. data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
  669. if (orig != data)
  670. WREG32(mmHDP_MEM_POWER_LS, data);
  671. }
  672. */
  673. static int gmc_v6_0_convert_vram_type(int mc_seq_vram_type)
  674. {
  675. switch (mc_seq_vram_type) {
  676. case MC_SEQ_MISC0__MT__GDDR1:
  677. return AMDGPU_VRAM_TYPE_GDDR1;
  678. case MC_SEQ_MISC0__MT__DDR2:
  679. return AMDGPU_VRAM_TYPE_DDR2;
  680. case MC_SEQ_MISC0__MT__GDDR3:
  681. return AMDGPU_VRAM_TYPE_GDDR3;
  682. case MC_SEQ_MISC0__MT__GDDR4:
  683. return AMDGPU_VRAM_TYPE_GDDR4;
  684. case MC_SEQ_MISC0__MT__GDDR5:
  685. return AMDGPU_VRAM_TYPE_GDDR5;
  686. case MC_SEQ_MISC0__MT__DDR3:
  687. return AMDGPU_VRAM_TYPE_DDR3;
  688. default:
  689. return AMDGPU_VRAM_TYPE_UNKNOWN;
  690. }
  691. }
  692. static int gmc_v6_0_early_init(void *handle)
  693. {
  694. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  695. gmc_v6_0_set_gart_funcs(adev);
  696. gmc_v6_0_set_irq_funcs(adev);
  697. return 0;
  698. }
  699. static int gmc_v6_0_late_init(void *handle)
  700. {
  701. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  702. if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
  703. return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
  704. else
  705. return 0;
  706. }
  707. static int gmc_v6_0_sw_init(void *handle)
  708. {
  709. int r;
  710. int dma_bits;
  711. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  712. if (adev->flags & AMD_IS_APU) {
  713. adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
  714. } else {
  715. u32 tmp = RREG32(mmMC_SEQ_MISC0);
  716. tmp &= MC_SEQ_MISC0__MT__MASK;
  717. adev->mc.vram_type = gmc_v6_0_convert_vram_type(tmp);
  718. }
  719. r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 146, &adev->mc.vm_fault);
  720. if (r)
  721. return r;
  722. r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 147, &adev->mc.vm_fault);
  723. if (r)
  724. return r;
  725. amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
  726. adev->mc.mc_mask = 0xffffffffffULL;
  727. adev->mc.stolen_size = 256 * 1024;
  728. adev->need_dma32 = false;
  729. dma_bits = adev->need_dma32 ? 32 : 40;
  730. r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
  731. if (r) {
  732. adev->need_dma32 = true;
  733. dma_bits = 32;
  734. dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
  735. }
  736. r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
  737. if (r) {
  738. pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32));
  739. dev_warn(adev->dev, "amdgpu: No coherent DMA available.\n");
  740. }
  741. r = gmc_v6_0_init_microcode(adev);
  742. if (r) {
  743. dev_err(adev->dev, "Failed to load mc firmware!\n");
  744. return r;
  745. }
  746. r = gmc_v6_0_mc_init(adev);
  747. if (r)
  748. return r;
  749. r = amdgpu_bo_init(adev);
  750. if (r)
  751. return r;
  752. r = gmc_v6_0_gart_init(adev);
  753. if (r)
  754. return r;
  755. /*
  756. * number of VMs
  757. * VMID 0 is reserved for System
  758. * amdgpu graphics/compute will use VMIDs 1-7
  759. * amdkfd will use VMIDs 8-15
  760. */
  761. adev->vm_manager.id_mgr[0].num_ids = AMDGPU_NUM_OF_VMIDS;
  762. amdgpu_vm_manager_init(adev);
  763. /* base offset of vram pages */
  764. if (adev->flags & AMD_IS_APU) {
  765. u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
  766. tmp <<= 22;
  767. adev->vm_manager.vram_base_offset = tmp;
  768. } else {
  769. adev->vm_manager.vram_base_offset = 0;
  770. }
  771. return 0;
  772. }
  773. static int gmc_v6_0_sw_fini(void *handle)
  774. {
  775. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  776. amdgpu_gem_force_release(adev);
  777. amdgpu_vm_manager_fini(adev);
  778. gmc_v6_0_gart_fini(adev);
  779. amdgpu_bo_fini(adev);
  780. release_firmware(adev->mc.fw);
  781. adev->mc.fw = NULL;
  782. return 0;
  783. }
  784. static int gmc_v6_0_hw_init(void *handle)
  785. {
  786. int r;
  787. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  788. gmc_v6_0_mc_program(adev);
  789. if (!(adev->flags & AMD_IS_APU)) {
  790. r = gmc_v6_0_mc_load_microcode(adev);
  791. if (r) {
  792. dev_err(adev->dev, "Failed to load MC firmware!\n");
  793. return r;
  794. }
  795. }
  796. r = gmc_v6_0_gart_enable(adev);
  797. if (r)
  798. return r;
  799. return r;
  800. }
  801. static int gmc_v6_0_hw_fini(void *handle)
  802. {
  803. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  804. amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
  805. gmc_v6_0_gart_disable(adev);
  806. return 0;
  807. }
  808. static int gmc_v6_0_suspend(void *handle)
  809. {
  810. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  811. gmc_v6_0_hw_fini(adev);
  812. return 0;
  813. }
  814. static int gmc_v6_0_resume(void *handle)
  815. {
  816. int r;
  817. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  818. r = gmc_v6_0_hw_init(adev);
  819. if (r)
  820. return r;
  821. amdgpu_vmid_reset_all(adev);
  822. return 0;
  823. }
  824. static bool gmc_v6_0_is_idle(void *handle)
  825. {
  826. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  827. u32 tmp = RREG32(mmSRBM_STATUS);
  828. if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
  829. SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
  830. return false;
  831. return true;
  832. }
  833. static int gmc_v6_0_wait_for_idle(void *handle)
  834. {
  835. unsigned i;
  836. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  837. for (i = 0; i < adev->usec_timeout; i++) {
  838. if (gmc_v6_0_is_idle(handle))
  839. return 0;
  840. udelay(1);
  841. }
  842. return -ETIMEDOUT;
  843. }
  844. static int gmc_v6_0_soft_reset(void *handle)
  845. {
  846. struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  847. u32 srbm_soft_reset = 0;
  848. u32 tmp = RREG32(mmSRBM_STATUS);
  849. if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
  850. srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
  851. SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
  852. if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
  853. SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
  854. if (!(adev->flags & AMD_IS_APU))
  855. srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
  856. SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
  857. }
  858. if (srbm_soft_reset) {
  859. gmc_v6_0_mc_stop(adev);
  860. if (gmc_v6_0_wait_for_idle(adev)) {
  861. dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
  862. }
  863. tmp = RREG32(mmSRBM_SOFT_RESET);
  864. tmp |= srbm_soft_reset;
  865. dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
  866. WREG32(mmSRBM_SOFT_RESET, tmp);
  867. tmp = RREG32(mmSRBM_SOFT_RESET);
  868. udelay(50);
  869. tmp &= ~srbm_soft_reset;
  870. WREG32(mmSRBM_SOFT_RESET, tmp);
  871. tmp = RREG32(mmSRBM_SOFT_RESET);
  872. udelay(50);
  873. gmc_v6_0_mc_resume(adev);
  874. udelay(50);
  875. }
  876. return 0;
  877. }
  878. static int gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
  879. struct amdgpu_irq_src *src,
  880. unsigned type,
  881. enum amdgpu_interrupt_state state)
  882. {
  883. u32 tmp;
  884. u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
  885. VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
  886. VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
  887. VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
  888. VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
  889. VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
  890. switch (state) {
  891. case AMDGPU_IRQ_STATE_DISABLE:
  892. tmp = RREG32(mmVM_CONTEXT0_CNTL);
  893. tmp &= ~bits;
  894. WREG32(mmVM_CONTEXT0_CNTL, tmp);
  895. tmp = RREG32(mmVM_CONTEXT1_CNTL);
  896. tmp &= ~bits;
  897. WREG32(mmVM_CONTEXT1_CNTL, tmp);
  898. break;
  899. case AMDGPU_IRQ_STATE_ENABLE:
  900. tmp = RREG32(mmVM_CONTEXT0_CNTL);
  901. tmp |= bits;
  902. WREG32(mmVM_CONTEXT0_CNTL, tmp);
  903. tmp = RREG32(mmVM_CONTEXT1_CNTL);
  904. tmp |= bits;
  905. WREG32(mmVM_CONTEXT1_CNTL, tmp);
  906. break;
  907. default:
  908. break;
  909. }
  910. return 0;
  911. }
  912. static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev,
  913. struct amdgpu_irq_src *source,
  914. struct amdgpu_iv_entry *entry)
  915. {
  916. u32 addr, status;
  917. addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
  918. status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
  919. WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
  920. if (!addr && !status)
  921. return 0;
  922. if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
  923. gmc_v6_0_set_fault_enable_default(adev, false);
  924. if (printk_ratelimit()) {
  925. dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
  926. entry->src_id, entry->src_data[0]);
  927. dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
  928. addr);
  929. dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
  930. status);
  931. gmc_v6_0_vm_decode_fault(adev, status, addr, 0);
  932. }
  933. return 0;
  934. }
  935. static int gmc_v6_0_set_clockgating_state(void *handle,
  936. enum amd_clockgating_state state)
  937. {
  938. return 0;
  939. }
  940. static int gmc_v6_0_set_powergating_state(void *handle,
  941. enum amd_powergating_state state)
  942. {
  943. return 0;
  944. }
  945. static const struct amd_ip_funcs gmc_v6_0_ip_funcs = {
  946. .name = "gmc_v6_0",
  947. .early_init = gmc_v6_0_early_init,
  948. .late_init = gmc_v6_0_late_init,
  949. .sw_init = gmc_v6_0_sw_init,
  950. .sw_fini = gmc_v6_0_sw_fini,
  951. .hw_init = gmc_v6_0_hw_init,
  952. .hw_fini = gmc_v6_0_hw_fini,
  953. .suspend = gmc_v6_0_suspend,
  954. .resume = gmc_v6_0_resume,
  955. .is_idle = gmc_v6_0_is_idle,
  956. .wait_for_idle = gmc_v6_0_wait_for_idle,
  957. .soft_reset = gmc_v6_0_soft_reset,
  958. .set_clockgating_state = gmc_v6_0_set_clockgating_state,
  959. .set_powergating_state = gmc_v6_0_set_powergating_state,
  960. };
  961. static const struct amdgpu_gart_funcs gmc_v6_0_gart_funcs = {
  962. .flush_gpu_tlb = gmc_v6_0_gart_flush_gpu_tlb,
  963. .set_pte_pde = gmc_v6_0_gart_set_pte_pde,
  964. .set_prt = gmc_v6_0_set_prt,
  965. .get_vm_pde = gmc_v6_0_get_vm_pde,
  966. .get_vm_pte_flags = gmc_v6_0_get_vm_pte_flags
  967. };
  968. static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = {
  969. .set = gmc_v6_0_vm_fault_interrupt_state,
  970. .process = gmc_v6_0_process_interrupt,
  971. };
  972. static void gmc_v6_0_set_gart_funcs(struct amdgpu_device *adev)
  973. {
  974. if (adev->gart.gart_funcs == NULL)
  975. adev->gart.gart_funcs = &gmc_v6_0_gart_funcs;
  976. }
  977. static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev)
  978. {
  979. adev->mc.vm_fault.num_types = 1;
  980. adev->mc.vm_fault.funcs = &gmc_v6_0_irq_funcs;
  981. }
  982. const struct amdgpu_ip_block_version gmc_v6_0_ip_block =
  983. {
  984. .type = AMD_IP_BLOCK_TYPE_GMC,
  985. .major = 6,
  986. .minor = 0,
  987. .rev = 0,
  988. .funcs = &gmc_v6_0_ip_funcs,
  989. };