1 /* 2 * Copyright 2016 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 * Author: Huang Rui 23 * 24 */ 25 26 #include <linux/firmware.h> 27 #include <linux/module.h> 28 #include <linux/pci.h> 29 30 #include "amdgpu.h" 31 #include "amdgpu_psp.h" 32 #include "amdgpu_ucode.h" 33 #include "soc15_common.h" 34 #include "psp_v10_0.h" 35 36 #include "mp/mp_10_0_offset.h" 37 #include "gc/gc_9_1_offset.h" 38 #include "sdma0/sdma0_4_1_offset.h" 39 40 MODULE_FIRMWARE("amdgpu/raven_asd.bin"); 41 MODULE_FIRMWARE("amdgpu/picasso_asd.bin"); 42 MODULE_FIRMWARE("amdgpu/raven2_asd.bin"); 43 44 static int psp_v10_0_init_microcode(struct psp_context *psp) 45 { 46 struct amdgpu_device *adev = psp->adev; 47 const char *chip_name; 48 char fw_name[30]; 49 int err = 0; 50 const struct psp_firmware_header_v1_0 *hdr; 51 52 DRM_DEBUG("\n"); 53 54 switch (adev->asic_type) { 55 case CHIP_RAVEN: 56 if (adev->rev_id >= 0x8) 57 chip_name = "raven2"; 58 else if (adev->pdev->device == 0x15d8) 59 chip_name = "picasso"; 60 else 61 chip_name = "raven"; 62 break; 63 default: BUG(); 64 } 65 66 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name); 67 err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev); 68 if (err) 69 goto out; 70 71 err = amdgpu_ucode_validate(adev->psp.asd_fw); 72 if (err) 73 goto out; 74 75 hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data; 76 adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version); 77 adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version); 78 adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); 79 adev->psp.asd_start_addr = (uint8_t *)hdr + 80 le32_to_cpu(hdr->header.ucode_array_offset_bytes); 81 82 return 0; 83 out: 84 if (err) { 85 dev_err(adev->dev, 86 "psp v10.0: Failed to load firmware \"%s\"\n", 87 fw_name); 88 release_firmware(adev->psp.asd_fw); 89 adev->psp.asd_fw = NULL; 90 } 91 92 return err; 93 } 94 95 static int psp_v10_0_ring_init(struct psp_context *psp, 96 enum psp_ring_type ring_type) 97 { 98 int ret = 0; 99 struct psp_ring *ring; 100 struct amdgpu_device *adev = psp->adev; 101 102 ring = &psp->km_ring; 103 104 ring->ring_type = ring_type; 105 106 /* allocate 4k Page of Local Frame Buffer memory for ring */ 107 ring->ring_size = 0x1000; 108 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, 109 AMDGPU_GEM_DOMAIN_VRAM, 110 &adev->firmware.rbuf, 111 &ring->ring_mem_mc_addr, 112 (void **)&ring->ring_mem); 113 if (ret) { 114 ring->ring_size = 0; 115 return ret; 116 } 117 118 return 0; 119 } 120 121 static int psp_v10_0_ring_create(struct psp_context *psp, 122 enum psp_ring_type ring_type) 123 { 124 int ret = 0; 125 unsigned int psp_ring_reg = 0; 126 struct psp_ring *ring = &psp->km_ring; 127 struct amdgpu_device *adev = psp->adev; 128 129 /* Write low address of the ring to C2PMSG_69 */ 130 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); 131 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg); 132 /* Write high address of the ring to C2PMSG_70 */ 133 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); 134 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg); 135 /* Write size of ring to C2PMSG_71 */ 136 psp_ring_reg = ring->ring_size; 137 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg); 138 /* Write the ring initialization command to C2PMSG_64 */ 139 psp_ring_reg = ring_type; 140 psp_ring_reg = psp_ring_reg << 16; 141 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); 142 143 /* There might be handshake issue with hardware which needs delay */ 144 mdelay(20); 145 146 /* Wait for response flag (bit 31) in C2PMSG_64 */ 147 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 148 0x80000000, 0x8000FFFF, false); 149 150 return ret; 151 } 152 153 static int psp_v10_0_ring_stop(struct psp_context *psp, 154 enum psp_ring_type ring_type) 155 { 156 int ret = 0; 157 unsigned int psp_ring_reg = 0; 158 struct amdgpu_device *adev = psp->adev; 159 160 /* Write the ring destroy command to C2PMSG_64 */ 161 psp_ring_reg = 3 << 16; 162 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg); 163 164 /* There might be handshake issue with hardware which needs delay */ 165 mdelay(20); 166 167 /* Wait for response flag (bit 31) in C2PMSG_64 */ 168 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), 169 0x80000000, 0x80000000, false); 170 171 return ret; 172 } 173 174 static int psp_v10_0_ring_destroy(struct psp_context *psp, 175 enum psp_ring_type ring_type) 176 { 177 int ret = 0; 178 struct psp_ring *ring = &psp->km_ring; 179 struct amdgpu_device *adev = psp->adev; 180 181 ret = psp_v10_0_ring_stop(psp, ring_type); 182 if (ret) 183 DRM_ERROR("Fail to stop psp ring\n"); 184 185 amdgpu_bo_free_kernel(&adev->firmware.rbuf, 186 &ring->ring_mem_mc_addr, 187 (void **)&ring->ring_mem); 188 189 return ret; 190 } 191 192 static int psp_v10_0_cmd_submit(struct psp_context *psp, 193 uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, 194 int index) 195 { 196 unsigned int psp_write_ptr_reg = 0; 197 struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem; 198 struct psp_ring *ring = &psp->km_ring; 199 struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem; 200 struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start + 201 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1; 202 struct amdgpu_device *adev = psp->adev; 203 uint32_t ring_size_dw = ring->ring_size / 4; 204 uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4; 205 206 /* KM (GPCOM) prepare write pointer */ 207 psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); 208 209 /* Update KM RB frame pointer to new frame */ 210 if ((psp_write_ptr_reg % ring_size_dw) == 0) 211 write_frame = ring_buffer_start; 212 else 213 write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw); 214 /* Check invalid write_frame ptr address */ 215 if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) { 216 DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n", 217 ring_buffer_start, ring_buffer_end, write_frame); 218 DRM_ERROR("write_frame is pointing to address out of bounds\n"); 219 return -EINVAL; 220 } 221 222 /* Initialize KM RB frame */ 223 memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame)); 224 225 /* Update KM RB frame */ 226 write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr); 227 write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr); 228 write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr); 229 write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr); 230 write_frame->fence_value = index; 231 232 /* Update the write Pointer in DWORDs */ 233 psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw; 234 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg); 235 236 return 0; 237 } 238 239 static int 240 psp_v10_0_sram_map(struct amdgpu_device *adev, 241 unsigned int *sram_offset, unsigned int *sram_addr_reg_offset, 242 unsigned int *sram_data_reg_offset, 243 enum AMDGPU_UCODE_ID ucode_id) 244 { 245 int ret = 0; 246 247 switch(ucode_id) { 248 /* TODO: needs to confirm */ 249 #if 0 250 case AMDGPU_UCODE_ID_SMC: 251 *sram_offset = 0; 252 *sram_addr_reg_offset = 0; 253 *sram_data_reg_offset = 0; 254 break; 255 #endif 256 257 case AMDGPU_UCODE_ID_CP_CE: 258 *sram_offset = 0x0; 259 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR); 260 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA); 261 break; 262 263 case AMDGPU_UCODE_ID_CP_PFP: 264 *sram_offset = 0x0; 265 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR); 266 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA); 267 break; 268 269 case AMDGPU_UCODE_ID_CP_ME: 270 *sram_offset = 0x0; 271 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR); 272 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA); 273 break; 274 275 case AMDGPU_UCODE_ID_CP_MEC1: 276 *sram_offset = 0x10000; 277 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR); 278 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA); 279 break; 280 281 case AMDGPU_UCODE_ID_CP_MEC2: 282 *sram_offset = 0x10000; 283 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR); 284 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA); 285 break; 286 287 case AMDGPU_UCODE_ID_RLC_G: 288 *sram_offset = 0x2000; 289 *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR); 290 *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA); 291 break; 292 293 case AMDGPU_UCODE_ID_SDMA0: 294 *sram_offset = 0x0; 295 *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR); 296 *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA); 297 break; 298 299 /* TODO: needs to confirm */ 300 #if 0 301 case AMDGPU_UCODE_ID_SDMA1: 302 *sram_offset = ; 303 *sram_addr_reg_offset = ; 304 break; 305 306 case AMDGPU_UCODE_ID_UVD: 307 *sram_offset = ; 308 *sram_addr_reg_offset = ; 309 break; 310 311 case AMDGPU_UCODE_ID_VCE: 312 *sram_offset = ; 313 *sram_addr_reg_offset = ; 314 break; 315 #endif 316 317 case AMDGPU_UCODE_ID_MAXIMUM: 318 default: 319 ret = -EINVAL; 320 break; 321 } 322 323 return ret; 324 } 325 326 static bool psp_v10_0_compare_sram_data(struct psp_context *psp, 327 struct amdgpu_firmware_info *ucode, 328 enum AMDGPU_UCODE_ID ucode_type) 329 { 330 int err = 0; 331 unsigned int fw_sram_reg_val = 0; 332 unsigned int fw_sram_addr_reg_offset = 0; 333 unsigned int fw_sram_data_reg_offset = 0; 334 unsigned int ucode_size; 335 uint32_t *ucode_mem = NULL; 336 struct amdgpu_device *adev = psp->adev; 337 338 err = psp_v10_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset, 339 &fw_sram_data_reg_offset, ucode_type); 340 if (err) 341 return false; 342 343 WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val); 344 345 ucode_size = ucode->ucode_size; 346 ucode_mem = (uint32_t *)ucode->kaddr; 347 while (!ucode_size) { 348 fw_sram_reg_val = RREG32(fw_sram_data_reg_offset); 349 350 if (*ucode_mem != fw_sram_reg_val) 351 return false; 352 353 ucode_mem++; 354 /* 4 bytes */ 355 ucode_size -= 4; 356 } 357 358 return true; 359 } 360 361 362 static int psp_v10_0_mode1_reset(struct psp_context *psp) 363 { 364 DRM_INFO("psp mode 1 reset not supported now! \n"); 365 return -EINVAL; 366 } 367 368 static const struct psp_funcs psp_v10_0_funcs = { 369 .init_microcode = psp_v10_0_init_microcode, 370 .ring_init = psp_v10_0_ring_init, 371 .ring_create = psp_v10_0_ring_create, 372 .ring_stop = psp_v10_0_ring_stop, 373 .ring_destroy = psp_v10_0_ring_destroy, 374 .cmd_submit = psp_v10_0_cmd_submit, 375 .compare_sram_data = psp_v10_0_compare_sram_data, 376 .mode1_reset = psp_v10_0_mode1_reset, 377 }; 378 379 void psp_v10_0_set_psp_funcs(struct psp_context *psp) 380 { 381 psp->funcs = &psp_v10_0_funcs; 382 } 383