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24#include "amdgpu.h"
25#include "amdgpu_discovery.h"
26#include "soc15_hw_ip.h"
27#include "discovery.h"
28
29#define mmRCC_CONFIG_MEMSIZE 0xde3
30#define mmMM_INDEX 0x0
31#define mmMM_INDEX_HI 0x6
32#define mmMM_DATA 0x1
33#define HW_ID_MAX 300
34
35static const char *hw_id_names[HW_ID_MAX] = {
36 [MP1_HWID] = "MP1",
37 [MP2_HWID] = "MP2",
38 [THM_HWID] = "THM",
39 [SMUIO_HWID] = "SMUIO",
40 [FUSE_HWID] = "FUSE",
41 [CLKA_HWID] = "CLKA",
42 [PWR_HWID] = "PWR",
43 [GC_HWID] = "GC",
44 [UVD_HWID] = "UVD",
45 [AUDIO_AZ_HWID] = "AUDIO_AZ",
46 [ACP_HWID] = "ACP",
47 [DCI_HWID] = "DCI",
48 [DMU_HWID] = "DMU",
49 [DCO_HWID] = "DCO",
50 [DIO_HWID] = "DIO",
51 [XDMA_HWID] = "XDMA",
52 [DCEAZ_HWID] = "DCEAZ",
53 [DAZ_HWID] = "DAZ",
54 [SDPMUX_HWID] = "SDPMUX",
55 [NTB_HWID] = "NTB",
56 [IOHC_HWID] = "IOHC",
57 [L2IMU_HWID] = "L2IMU",
58 [VCE_HWID] = "VCE",
59 [MMHUB_HWID] = "MMHUB",
60 [ATHUB_HWID] = "ATHUB",
61 [DBGU_NBIO_HWID] = "DBGU_NBIO",
62 [DFX_HWID] = "DFX",
63 [DBGU0_HWID] = "DBGU0",
64 [DBGU1_HWID] = "DBGU1",
65 [OSSSYS_HWID] = "OSSSYS",
66 [HDP_HWID] = "HDP",
67 [SDMA0_HWID] = "SDMA0",
68 [SDMA1_HWID] = "SDMA1",
69 [ISP_HWID] = "ISP",
70 [DBGU_IO_HWID] = "DBGU_IO",
71 [DF_HWID] = "DF",
72 [CLKB_HWID] = "CLKB",
73 [FCH_HWID] = "FCH",
74 [DFX_DAP_HWID] = "DFX_DAP",
75 [L1IMU_PCIE_HWID] = "L1IMU_PCIE",
76 [L1IMU_NBIF_HWID] = "L1IMU_NBIF",
77 [L1IMU_IOAGR_HWID] = "L1IMU_IOAGR",
78 [L1IMU3_HWID] = "L1IMU3",
79 [L1IMU4_HWID] = "L1IMU4",
80 [L1IMU5_HWID] = "L1IMU5",
81 [L1IMU6_HWID] = "L1IMU6",
82 [L1IMU7_HWID] = "L1IMU7",
83 [L1IMU8_HWID] = "L1IMU8",
84 [L1IMU9_HWID] = "L1IMU9",
85 [L1IMU10_HWID] = "L1IMU10",
86 [L1IMU11_HWID] = "L1IMU11",
87 [L1IMU12_HWID] = "L1IMU12",
88 [L1IMU13_HWID] = "L1IMU13",
89 [L1IMU14_HWID] = "L1IMU14",
90 [L1IMU15_HWID] = "L1IMU15",
91 [WAFLC_HWID] = "WAFLC",
92 [FCH_USB_PD_HWID] = "FCH_USB_PD",
93 [PCIE_HWID] = "PCIE",
94 [PCS_HWID] = "PCS",
95 [DDCL_HWID] = "DDCL",
96 [SST_HWID] = "SST",
97 [IOAGR_HWID] = "IOAGR",
98 [NBIF_HWID] = "NBIF",
99 [IOAPIC_HWID] = "IOAPIC",
100 [SYSTEMHUB_HWID] = "SYSTEMHUB",
101 [NTBCCP_HWID] = "NTBCCP",
102 [UMC_HWID] = "UMC",
103 [SATA_HWID] = "SATA",
104 [USB_HWID] = "USB",
105 [CCXSEC_HWID] = "CCXSEC",
106 [XGMI_HWID] = "XGMI",
107 [XGBE_HWID] = "XGBE",
108 [MP0_HWID] = "MP0",
109};
110
111static int hw_id_map[MAX_HWIP] = {
112 [GC_HWIP] = GC_HWID,
113 [HDP_HWIP] = HDP_HWID,
114 [SDMA0_HWIP] = SDMA0_HWID,
115 [SDMA1_HWIP] = SDMA1_HWID,
116 [MMHUB_HWIP] = MMHUB_HWID,
117 [ATHUB_HWIP] = ATHUB_HWID,
118 [NBIO_HWIP] = NBIF_HWID,
119 [MP0_HWIP] = MP0_HWID,
120 [MP1_HWIP] = MP1_HWID,
121 [UVD_HWIP] = UVD_HWID,
122 [VCE_HWIP] = VCE_HWID,
123 [DF_HWIP] = DF_HWID,
124 [DCE_HWIP] = DMU_HWID,
125 [OSSSYS_HWIP] = OSSSYS_HWID,
126 [SMUIO_HWIP] = SMUIO_HWID,
127 [PWR_HWIP] = PWR_HWID,
128 [NBIF_HWIP] = NBIF_HWID,
129 [THM_HWIP] = THM_HWID,
130 [CLK_HWIP] = CLKA_HWID,
131 [UMC_HWIP] = UMC_HWID,
132};
133
134static int amdgpu_discovery_read_binary(struct amdgpu_device *adev, uint8_t *binary)
135{
136 uint64_t vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;
137 uint64_t pos = vram_size - DISCOVERY_TMR_OFFSET;
138
139 amdgpu_device_vram_access(adev, pos, (uint32_t *)binary,
140 adev->mman.discovery_tmr_size, false);
141 return 0;
142}
143
144static uint16_t amdgpu_discovery_calculate_checksum(uint8_t *data, uint32_t size)
145{
146 uint16_t checksum = 0;
147 int i;
148
149 for (i = 0; i < size; i++)
150 checksum += data[i];
151
152 return checksum;
153}
154
155static inline bool amdgpu_discovery_verify_checksum(uint8_t *data, uint32_t size,
156 uint16_t expected)
157{
158 return !!(amdgpu_discovery_calculate_checksum(data, size) == expected);
159}
160
161static int amdgpu_discovery_init(struct amdgpu_device *adev)
162{
163 struct table_info *info;
164 struct binary_header *bhdr;
165 struct ip_discovery_header *ihdr;
166 struct gpu_info_header *ghdr;
167 uint16_t offset;
168 uint16_t size;
169 uint16_t checksum;
170 int r;
171
172 adev->mman.discovery_tmr_size = DISCOVERY_TMR_SIZE;
173 adev->mman.discovery_bin = kzalloc(adev->mman.discovery_tmr_size, GFP_KERNEL);
174 if (!adev->mman.discovery_bin)
175 return -ENOMEM;
176
177 r = amdgpu_discovery_read_binary(adev, adev->mman.discovery_bin);
178 if (r) {
179 DRM_ERROR("failed to read ip discovery binary\n");
180 goto out;
181 }
182
183 bhdr = (struct binary_header *)adev->mman.discovery_bin;
184
185 if (le32_to_cpu(bhdr->binary_signature) != BINARY_SIGNATURE) {
186 DRM_ERROR("invalid ip discovery binary signature\n");
187 r = -EINVAL;
188 goto out;
189 }
190
191 offset = offsetof(struct binary_header, binary_checksum) +
192 sizeof(bhdr->binary_checksum);
193 size = bhdr->binary_size - offset;
194 checksum = bhdr->binary_checksum;
195
196 if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
197 size, checksum)) {
198 DRM_ERROR("invalid ip discovery binary checksum\n");
199 r = -EINVAL;
200 goto out;
201 }
202
203 info = &bhdr->table_list[IP_DISCOVERY];
204 offset = le16_to_cpu(info->offset);
205 checksum = le16_to_cpu(info->checksum);
206 ihdr = (struct ip_discovery_header *)(adev->mman.discovery_bin + offset);
207
208 if (le32_to_cpu(ihdr->signature) != DISCOVERY_TABLE_SIGNATURE) {
209 DRM_ERROR("invalid ip discovery data table signature\n");
210 r = -EINVAL;
211 goto out;
212 }
213
214 if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
215 ihdr->size, checksum)) {
216 DRM_ERROR("invalid ip discovery data table checksum\n");
217 r = -EINVAL;
218 goto out;
219 }
220
221 info = &bhdr->table_list[GC];
222 offset = le16_to_cpu(info->offset);
223 checksum = le16_to_cpu(info->checksum);
224 ghdr = (struct gpu_info_header *)(adev->mman.discovery_bin + offset);
225
226 if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
227 ghdr->size, checksum)) {
228 DRM_ERROR("invalid gc data table checksum\n");
229 r = -EINVAL;
230 goto out;
231 }
232
233 return 0;
234
235out:
236 kfree(adev->mman.discovery_bin);
237 adev->mman.discovery_bin = NULL;
238
239 return r;
240}
241
242void amdgpu_discovery_fini(struct amdgpu_device *adev)
243{
244 kfree(adev->mman.discovery_bin);
245 adev->mman.discovery_bin = NULL;
246}
247
248int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
249{
250 struct binary_header *bhdr;
251 struct ip_discovery_header *ihdr;
252 struct die_header *dhdr;
253 struct ip *ip;
254 uint16_t die_offset;
255 uint16_t ip_offset;
256 uint16_t num_dies;
257 uint16_t num_ips;
258 uint8_t num_base_address;
259 int hw_ip;
260 int i, j, k;
261 int r;
262
263 r = amdgpu_discovery_init(adev);
264 if (r) {
265 DRM_ERROR("amdgpu_discovery_init failed\n");
266 return r;
267 }
268
269 bhdr = (struct binary_header *)adev->mman.discovery_bin;
270 ihdr = (struct ip_discovery_header *)(adev->mman.discovery_bin +
271 le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
272 num_dies = le16_to_cpu(ihdr->num_dies);
273
274 DRM_DEBUG("number of dies: %d\n", num_dies);
275
276 for (i = 0; i < num_dies; i++) {
277 die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
278 dhdr = (struct die_header *)(adev->mman.discovery_bin + die_offset);
279 num_ips = le16_to_cpu(dhdr->num_ips);
280 ip_offset = die_offset + sizeof(*dhdr);
281
282 if (le16_to_cpu(dhdr->die_id) != i) {
283 DRM_ERROR("invalid die id %d, expected %d\n",
284 le16_to_cpu(dhdr->die_id), i);
285 return -EINVAL;
286 }
287
288 DRM_DEBUG("number of hardware IPs on die%d: %d\n",
289 le16_to_cpu(dhdr->die_id), num_ips);
290
291 for (j = 0; j < num_ips; j++) {
292 ip = (struct ip *)(adev->mman.discovery_bin + ip_offset);
293 num_base_address = ip->num_base_address;
294
295 DRM_DEBUG("%s(%d) #%d v%d.%d.%d:\n",
296 hw_id_names[le16_to_cpu(ip->hw_id)],
297 le16_to_cpu(ip->hw_id),
298 ip->number_instance,
299 ip->major, ip->minor,
300 ip->revision);
301
302 for (k = 0; k < num_base_address; k++) {
303
304
305
306
307 ip->base_address[k] = le32_to_cpu(ip->base_address[k]);
308 DRM_DEBUG("\t0x%08x\n", ip->base_address[k]);
309 }
310
311 for (hw_ip = 0; hw_ip < MAX_HWIP; hw_ip++) {
312 if (hw_id_map[hw_ip] == le16_to_cpu(ip->hw_id)) {
313 DRM_DEBUG("set register base offset for %s\n",
314 hw_id_names[le16_to_cpu(ip->hw_id)]);
315 adev->reg_offset[hw_ip][ip->number_instance] =
316 ip->base_address;
317 }
318
319 }
320
321 ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
322 }
323 }
324
325 return 0;
326}
327
328int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
329 int *major, int *minor, int *revision)
330{
331 struct binary_header *bhdr;
332 struct ip_discovery_header *ihdr;
333 struct die_header *dhdr;
334 struct ip *ip;
335 uint16_t die_offset;
336 uint16_t ip_offset;
337 uint16_t num_dies;
338 uint16_t num_ips;
339 int i, j;
340
341 if (!adev->mman.discovery_bin) {
342 DRM_ERROR("ip discovery uninitialized\n");
343 return -EINVAL;
344 }
345
346 bhdr = (struct binary_header *)adev->mman.discovery_bin;
347 ihdr = (struct ip_discovery_header *)(adev->mman.discovery_bin +
348 le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
349 num_dies = le16_to_cpu(ihdr->num_dies);
350
351 for (i = 0; i < num_dies; i++) {
352 die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
353 dhdr = (struct die_header *)(adev->mman.discovery_bin + die_offset);
354 num_ips = le16_to_cpu(dhdr->num_ips);
355 ip_offset = die_offset + sizeof(*dhdr);
356
357 for (j = 0; j < num_ips; j++) {
358 ip = (struct ip *)(adev->mman.discovery_bin + ip_offset);
359
360 if (le16_to_cpu(ip->hw_id) == hw_id) {
361 if (major)
362 *major = ip->major;
363 if (minor)
364 *minor = ip->minor;
365 if (revision)
366 *revision = ip->revision;
367 return 0;
368 }
369 ip_offset += sizeof(*ip) + 4 * (ip->num_base_address - 1);
370 }
371 }
372
373 return -EINVAL;
374}
375
376void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
377{
378 struct binary_header *bhdr;
379 struct harvest_table *harvest_info;
380 int i;
381
382 bhdr = (struct binary_header *)adev->mman.discovery_bin;
383 harvest_info = (struct harvest_table *)(adev->mman.discovery_bin +
384 le16_to_cpu(bhdr->table_list[HARVEST_INFO].offset));
385
386 for (i = 0; i < 32; i++) {
387 if (le32_to_cpu(harvest_info->list[i].hw_id) == 0)
388 break;
389
390 switch (le32_to_cpu(harvest_info->list[i].hw_id)) {
391 case VCN_HWID:
392 adev->harvest_ip_mask |= AMD_HARVEST_IP_VCN_MASK;
393 adev->harvest_ip_mask |= AMD_HARVEST_IP_JPEG_MASK;
394 break;
395 case DMU_HWID:
396 adev->harvest_ip_mask |= AMD_HARVEST_IP_DMU_MASK;
397 break;
398 default:
399 break;
400 }
401 }
402}
403
404int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
405{
406 struct binary_header *bhdr;
407 struct gc_info_v1_0 *gc_info;
408
409 if (!adev->mman.discovery_bin) {
410 DRM_ERROR("ip discovery uninitialized\n");
411 return -EINVAL;
412 }
413
414 bhdr = (struct binary_header *)adev->mman.discovery_bin;
415 gc_info = (struct gc_info_v1_0 *)(adev->mman.discovery_bin +
416 le16_to_cpu(bhdr->table_list[GC].offset));
417
418 adev->gfx.config.max_shader_engines = le32_to_cpu(gc_info->gc_num_se);
419 adev->gfx.config.max_cu_per_sh = 2 * (le32_to_cpu(gc_info->gc_num_wgp0_per_sa) +
420 le32_to_cpu(gc_info->gc_num_wgp1_per_sa));
421 adev->gfx.config.max_sh_per_se = le32_to_cpu(gc_info->gc_num_sa_per_se);
422 adev->gfx.config.max_backends_per_se = le32_to_cpu(gc_info->gc_num_rb_per_se);
423 adev->gfx.config.max_texture_channel_caches = le32_to_cpu(gc_info->gc_num_gl2c);
424 adev->gfx.config.max_gprs = le32_to_cpu(gc_info->gc_num_gprs);
425 adev->gfx.config.max_gs_threads = le32_to_cpu(gc_info->gc_num_max_gs_thds);
426 adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gc_info->gc_gs_table_depth);
427 adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gc_info->gc_gsprim_buff_depth);
428 adev->gfx.config.double_offchip_lds_buf = le32_to_cpu(gc_info->gc_double_offchip_lds_buffer);
429 adev->gfx.cu_info.wave_front_size = le32_to_cpu(gc_info->gc_wave_size);
430 adev->gfx.cu_info.max_waves_per_simd = le32_to_cpu(gc_info->gc_max_waves_per_simd);
431 adev->gfx.cu_info.max_scratch_slots_per_cu = le32_to_cpu(gc_info->gc_max_scratch_slots_per_cu);
432 adev->gfx.cu_info.lds_size = le32_to_cpu(gc_info->gc_lds_size);
433 adev->gfx.config.num_sc_per_sh = le32_to_cpu(gc_info->gc_num_sc_per_se) /
434 le32_to_cpu(gc_info->gc_num_sa_per_se);
435 adev->gfx.config.num_packer_per_sc = le32_to_cpu(gc_info->gc_num_packer_per_sc);
436
437 return 0;
438}
439
