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| 1 | +/* |
| 2 | + * Copyright 2020 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 "amdgpu.h" |
| 24 | +#include "amdgpu_psp.h" |
| 25 | +#include "amdgpu_ucode.h" |
| 26 | +#include "soc15_common.h" |
| 27 | +#include "psp_v13_0_4.h" |
| 28 | + |
| 29 | +#include "mp/mp_13_0_4_offset.h" |
| 30 | +#include "mp/mp_13_0_4_sh_mask.h" |
| 31 | + |
| 32 | +MODULE_FIRMWARE("amdgpu/psp_13_0_4_toc.bin"); |
| 33 | +MODULE_FIRMWARE("amdgpu/psp_13_0_4_ta.bin"); |
| 34 | + |
| 35 | +static int psp_v13_0_4_init_microcode(struct psp_context *psp) |
| 36 | +{ |
| 37 | + struct amdgpu_device *adev = psp->adev; |
| 38 | + const char *chip_name; |
| 39 | + char ucode_prefix[30]; |
| 40 | + int err = 0; |
| 41 | + |
| 42 | + switch (adev->ip_versions[MP0_HWIP][0]) { |
| 43 | + case IP_VERSION(13, 0, 4): |
| 44 | + amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix)); |
| 45 | + chip_name = ucode_prefix; |
| 46 | + break; |
| 47 | + default: |
| 48 | + BUG(); |
| 49 | + } |
| 50 | + |
| 51 | + switch (adev->ip_versions[MP0_HWIP][0]) { |
| 52 | + case IP_VERSION(13, 0, 4): |
| 53 | + err = psp_init_toc_microcode(psp, chip_name); |
| 54 | + if (err) |
| 55 | + return err; |
| 56 | + err = psp_init_ta_microcode(psp, chip_name); |
| 57 | + if (err) |
| 58 | + return err; |
| 59 | + break; |
| 60 | + default: |
| 61 | + BUG(); |
| 62 | + } |
| 63 | + |
| 64 | + return 0; |
| 65 | +} |
| 66 | + |
| 67 | +static bool psp_v13_0_4_is_sos_alive(struct psp_context *psp) |
| 68 | +{ |
| 69 | + struct amdgpu_device *adev = psp->adev; |
| 70 | + uint32_t sol_reg; |
| 71 | + |
| 72 | + sol_reg = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81); |
| 73 | + |
| 74 | + return sol_reg != 0x0; |
| 75 | +} |
| 76 | + |
| 77 | +static int psp_v13_0_4_wait_for_bootloader(struct psp_context *psp) |
| 78 | +{ |
| 79 | + struct amdgpu_device *adev = psp->adev; |
| 80 | + |
| 81 | + int ret; |
| 82 | + int retry_loop; |
| 83 | + |
| 84 | + for (retry_loop = 0; retry_loop < 10; retry_loop++) { |
| 85 | + /* Wait for bootloader to signify that is |
| 86 | + ready having bit 31 of C2PMSG_35 set to 1 */ |
| 87 | + ret = psp_wait_for(psp, |
| 88 | + SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), |
| 89 | + 0x80000000, |
| 90 | + 0x80000000, |
| 91 | + false); |
| 92 | + |
| 93 | + if (ret == 0) |
| 94 | + return 0; |
| 95 | + } |
| 96 | + |
| 97 | + return ret; |
| 98 | +} |
| 99 | + |
| 100 | +static int psp_v13_0_4_bootloader_load_component(struct psp_context *psp, |
| 101 | + struct psp_bin_desc *bin_desc, |
| 102 | + enum psp_bootloader_cmd bl_cmd) |
| 103 | +{ |
| 104 | + int ret; |
| 105 | + uint32_t psp_gfxdrv_command_reg = 0; |
| 106 | + struct amdgpu_device *adev = psp->adev; |
| 107 | + |
| 108 | + /* Check tOS sign of life register to confirm sys driver and sOS |
| 109 | + * are already been loaded. |
| 110 | + */ |
| 111 | + if (psp_v13_0_4_is_sos_alive(psp)) |
| 112 | + return 0; |
| 113 | + |
| 114 | + ret = psp_v13_0_4_wait_for_bootloader(psp); |
| 115 | + if (ret) |
| 116 | + return ret; |
| 117 | + |
| 118 | + memset(psp->fw_pri_buf, 0, PSP_1_MEG); |
| 119 | + |
| 120 | + /* Copy PSP KDB binary to memory */ |
| 121 | + memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes); |
| 122 | + |
| 123 | + /* Provide the PSP KDB to bootloader */ |
| 124 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, |
| 125 | + (uint32_t)(psp->fw_pri_mc_addr >> 20)); |
| 126 | + psp_gfxdrv_command_reg = bl_cmd; |
| 127 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, |
| 128 | + psp_gfxdrv_command_reg); |
| 129 | + |
| 130 | + ret = psp_v13_0_4_wait_for_bootloader(psp); |
| 131 | + |
| 132 | + return ret; |
| 133 | +} |
| 134 | + |
| 135 | +static int psp_v13_0_4_bootloader_load_kdb(struct psp_context *psp) |
| 136 | +{ |
| 137 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE); |
| 138 | +} |
| 139 | + |
| 140 | +static int psp_v13_0_4_bootloader_load_spl(struct psp_context *psp) |
| 141 | +{ |
| 142 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_TOS_SPL_TABLE); |
| 143 | +} |
| 144 | + |
| 145 | +static int psp_v13_0_4_bootloader_load_sysdrv(struct psp_context *psp) |
| 146 | +{ |
| 147 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV); |
| 148 | +} |
| 149 | + |
| 150 | +static int psp_v13_0_4_bootloader_load_soc_drv(struct psp_context *psp) |
| 151 | +{ |
| 152 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV); |
| 153 | +} |
| 154 | + |
| 155 | +static int psp_v13_0_4_bootloader_load_intf_drv(struct psp_context *psp) |
| 156 | +{ |
| 157 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV); |
| 158 | +} |
| 159 | + |
| 160 | +static int psp_v13_0_4_bootloader_load_dbg_drv(struct psp_context *psp) |
| 161 | +{ |
| 162 | + return psp_v13_0_4_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV); |
| 163 | +} |
| 164 | + |
| 165 | +static int psp_v13_0_4_bootloader_load_sos(struct psp_context *psp) |
| 166 | +{ |
| 167 | + int ret; |
| 168 | + unsigned int psp_gfxdrv_command_reg = 0; |
| 169 | + struct amdgpu_device *adev = psp->adev; |
| 170 | + |
| 171 | + /* Check sOS sign of life register to confirm sys driver and sOS |
| 172 | + * are already been loaded. |
| 173 | + */ |
| 174 | + if (psp_v13_0_4_is_sos_alive(psp)) |
| 175 | + return 0; |
| 176 | + |
| 177 | + ret = psp_v13_0_4_wait_for_bootloader(psp); |
| 178 | + if (ret) |
| 179 | + return ret; |
| 180 | + |
| 181 | + memset(psp->fw_pri_buf, 0, PSP_1_MEG); |
| 182 | + |
| 183 | + /* Copy Secure OS binary to PSP memory */ |
| 184 | + memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes); |
| 185 | + |
| 186 | + /* Provide the PSP secure OS to bootloader */ |
| 187 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, |
| 188 | + (uint32_t)(psp->fw_pri_mc_addr >> 20)); |
| 189 | + psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV; |
| 190 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, |
| 191 | + psp_gfxdrv_command_reg); |
| 192 | + |
| 193 | + /* there might be handshake issue with hardware which needs delay */ |
| 194 | + mdelay(20); |
| 195 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_81), |
| 196 | + RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81), |
| 197 | + 0, true); |
| 198 | + |
| 199 | + return ret; |
| 200 | +} |
| 201 | + |
| 202 | +static int psp_v13_0_4_ring_init(struct psp_context *psp, |
| 203 | + enum psp_ring_type ring_type) |
| 204 | +{ |
| 205 | + int ret = 0; |
| 206 | + struct psp_ring *ring; |
| 207 | + struct amdgpu_device *adev = psp->adev; |
| 208 | + |
| 209 | + ring = &psp->km_ring; |
| 210 | + |
| 211 | + ring->ring_type = ring_type; |
| 212 | + |
| 213 | + /* allocate 4k Page of Local Frame Buffer memory for ring */ |
| 214 | + ring->ring_size = 0x1000; |
| 215 | + ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, |
| 216 | + AMDGPU_GEM_DOMAIN_VRAM, |
| 217 | + &adev->firmware.rbuf, |
| 218 | + &ring->ring_mem_mc_addr, |
| 219 | + (void **)&ring->ring_mem); |
| 220 | + if (ret) { |
| 221 | + ring->ring_size = 0; |
| 222 | + return ret; |
| 223 | + } |
| 224 | + |
| 225 | + return 0; |
| 226 | +} |
| 227 | + |
| 228 | +static int psp_v13_0_4_ring_stop(struct psp_context *psp, |
| 229 | + enum psp_ring_type ring_type) |
| 230 | +{ |
| 231 | + int ret = 0; |
| 232 | + struct amdgpu_device *adev = psp->adev; |
| 233 | + |
| 234 | + if (amdgpu_sriov_vf(adev)) { |
| 235 | + /* Write the ring destroy command*/ |
| 236 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101, |
| 237 | + GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING); |
| 238 | + /* there might be handshake issue with hardware which needs delay */ |
| 239 | + mdelay(20); |
| 240 | + /* Wait for response flag (bit 31) */ |
| 241 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101), |
| 242 | + 0x80000000, 0x80000000, false); |
| 243 | + } else { |
| 244 | + /* Write the ring destroy command*/ |
| 245 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64, |
| 246 | + GFX_CTRL_CMD_ID_DESTROY_RINGS); |
| 247 | + /* there might be handshake issue with hardware which needs delay */ |
| 248 | + mdelay(20); |
| 249 | + /* Wait for response flag (bit 31) */ |
| 250 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64), |
| 251 | + 0x80000000, 0x80000000, false); |
| 252 | + } |
| 253 | + |
| 254 | + return ret; |
| 255 | +} |
| 256 | + |
| 257 | +static int psp_v13_0_4_ring_create(struct psp_context *psp, |
| 258 | + enum psp_ring_type ring_type) |
| 259 | +{ |
| 260 | + int ret = 0; |
| 261 | + unsigned int psp_ring_reg = 0; |
| 262 | + struct psp_ring *ring = &psp->km_ring; |
| 263 | + struct amdgpu_device *adev = psp->adev; |
| 264 | + |
| 265 | + if (amdgpu_sriov_vf(adev)) { |
| 266 | + ret = psp_v13_0_4_ring_stop(psp, ring_type); |
| 267 | + if (ret) { |
| 268 | + DRM_ERROR("psp_v13_0_ring_stop_sriov failed!\n"); |
| 269 | + return ret; |
| 270 | + } |
| 271 | + |
| 272 | + /* Write low address of the ring to C2PMSG_102 */ |
| 273 | + psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); |
| 274 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, psp_ring_reg); |
| 275 | + /* Write high address of the ring to C2PMSG_103 */ |
| 276 | + psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); |
| 277 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_103, psp_ring_reg); |
| 278 | + |
| 279 | + /* Write the ring initialization command to C2PMSG_101 */ |
| 280 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101, |
| 281 | + GFX_CTRL_CMD_ID_INIT_GPCOM_RING); |
| 282 | + |
| 283 | + /* there might be handshake issue with hardware which needs delay */ |
| 284 | + mdelay(20); |
| 285 | + |
| 286 | + /* Wait for response flag (bit 31) in C2PMSG_101 */ |
| 287 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101), |
| 288 | + 0x80000000, 0x8000FFFF, false); |
| 289 | + |
| 290 | + } else { |
| 291 | + /* Wait for sOS ready for ring creation */ |
| 292 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64), |
| 293 | + 0x80000000, 0x80000000, false); |
| 294 | + if (ret) { |
| 295 | + DRM_ERROR("Failed to wait for trust OS ready for ring creation\n"); |
| 296 | + return ret; |
| 297 | + } |
| 298 | + |
| 299 | + /* Write low address of the ring to C2PMSG_69 */ |
| 300 | + psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); |
| 301 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_69, psp_ring_reg); |
| 302 | + /* Write high address of the ring to C2PMSG_70 */ |
| 303 | + psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr); |
| 304 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_70, psp_ring_reg); |
| 305 | + /* Write size of ring to C2PMSG_71 */ |
| 306 | + psp_ring_reg = ring->ring_size; |
| 307 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_71, psp_ring_reg); |
| 308 | + /* Write the ring initialization command to C2PMSG_64 */ |
| 309 | + psp_ring_reg = ring_type; |
| 310 | + psp_ring_reg = psp_ring_reg << 16; |
| 311 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_64, psp_ring_reg); |
| 312 | + |
| 313 | + /* there might be handshake issue with hardware which needs delay */ |
| 314 | + mdelay(20); |
| 315 | + |
| 316 | + /* Wait for response flag (bit 31) in C2PMSG_64 */ |
| 317 | + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64), |
| 318 | + 0x80000000, 0x8000FFFF, false); |
| 319 | + } |
| 320 | + |
| 321 | + return ret; |
| 322 | +} |
| 323 | + |
| 324 | +static int psp_v13_0_4_ring_destroy(struct psp_context *psp, |
| 325 | + enum psp_ring_type ring_type) |
| 326 | +{ |
| 327 | + int ret = 0; |
| 328 | + struct psp_ring *ring = &psp->km_ring; |
| 329 | + struct amdgpu_device *adev = psp->adev; |
| 330 | + |
| 331 | + ret = psp_v13_0_4_ring_stop(psp, ring_type); |
| 332 | + if (ret) |
| 333 | + DRM_ERROR("Fail to stop psp ring\n"); |
| 334 | + |
| 335 | + amdgpu_bo_free_kernel(&adev->firmware.rbuf, |
| 336 | + &ring->ring_mem_mc_addr, |
| 337 | + (void **)&ring->ring_mem); |
| 338 | + |
| 339 | + return ret; |
| 340 | +} |
| 341 | + |
| 342 | +static uint32_t psp_v13_0_4_ring_get_wptr(struct psp_context *psp) |
| 343 | +{ |
| 344 | + uint32_t data; |
| 345 | + struct amdgpu_device *adev = psp->adev; |
| 346 | + |
| 347 | + if (amdgpu_sriov_vf(adev)) |
| 348 | + data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102); |
| 349 | + else |
| 350 | + data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67); |
| 351 | + |
| 352 | + return data; |
| 353 | +} |
| 354 | + |
| 355 | +static void psp_v13_0_4_ring_set_wptr(struct psp_context *psp, uint32_t value) |
| 356 | +{ |
| 357 | + struct amdgpu_device *adev = psp->adev; |
| 358 | + |
| 359 | + if (amdgpu_sriov_vf(adev)) { |
| 360 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102, value); |
| 361 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101, |
| 362 | + GFX_CTRL_CMD_ID_CONSUME_CMD); |
| 363 | + } else |
| 364 | + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value); |
| 365 | +} |
| 366 | + |
| 367 | +static const struct psp_funcs psp_v13_0_4_funcs = { |
| 368 | + .init_microcode = psp_v13_0_4_init_microcode, |
| 369 | + .bootloader_load_kdb = psp_v13_0_4_bootloader_load_kdb, |
| 370 | + .bootloader_load_spl = psp_v13_0_4_bootloader_load_spl, |
| 371 | + .bootloader_load_sysdrv = psp_v13_0_4_bootloader_load_sysdrv, |
| 372 | + .bootloader_load_soc_drv = psp_v13_0_4_bootloader_load_soc_drv, |
| 373 | + .bootloader_load_intf_drv = psp_v13_0_4_bootloader_load_intf_drv, |
| 374 | + .bootloader_load_dbg_drv = psp_v13_0_4_bootloader_load_dbg_drv, |
| 375 | + .bootloader_load_sos = psp_v13_0_4_bootloader_load_sos, |
| 376 | + .ring_init = psp_v13_0_4_ring_init, |
| 377 | + .ring_create = psp_v13_0_4_ring_create, |
| 378 | + .ring_stop = psp_v13_0_4_ring_stop, |
| 379 | + .ring_destroy = psp_v13_0_4_ring_destroy, |
| 380 | + .ring_get_wptr = psp_v13_0_4_ring_get_wptr, |
| 381 | + .ring_set_wptr = psp_v13_0_4_ring_set_wptr, |
| 382 | +}; |
| 383 | + |
| 384 | +void psp_v13_0_4_set_psp_funcs(struct psp_context *psp) |
| 385 | +{ |
| 386 | + psp->funcs = &psp_v13_0_4_funcs; |
| 387 | +} |
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