drivers/accel/ivpu/ivpu_hw_37xx.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2020-2023 Intel Corporation
   4  */
   5
   6 #include "ivpu_drv.h"
   7 #include "ivpu_fw.h"
   8 #include "ivpu_hw_37xx_reg.h"
   9 #include "ivpu_hw_reg_io.h"
  10 #include "ivpu_hw.h"
  11 #include "ivpu_ipc.h"
  12 #include "ivpu_mmu.h"
  13 #include "ivpu_pm.h"
  14
  15 #define TILE_FUSE_ENABLE_BOTH        0x0
  16 #define TILE_SKU_BOTH_MTL            0x3630
  17
  18 /* Work point configuration values */
  19 #define CONFIG_1_TILE                0x01
  20 #define CONFIG_2_TILE                0x02
  21 #define PLL_RATIO_5_3                0x01
  22 #define PLL_RATIO_4_3                0x02
  23 #define WP_CONFIG(tile, ratio)       (((tile) << 8) | (ratio))
  24 #define WP_CONFIG_1_TILE_5_3_RATIO   WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_5_3)
  25 #define WP_CONFIG_1_TILE_4_3_RATIO   WP_CONFIG(CONFIG_1_TILE, PLL_RATIO_4_3)
  26 #define WP_CONFIG_2_TILE_5_3_RATIO   WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_5_3)
  27 #define WP_CONFIG_2_TILE_4_3_RATIO   WP_CONFIG(CONFIG_2_TILE, PLL_RATIO_4_3)
  28 #define WP_CONFIG_0_TILE_PLL_OFF     WP_CONFIG(0, 0)
  29
  30 #define PLL_REF_CLK_FREQ             (50 * 1000000)
  31 #define PLL_SIMULATION_FREQ          (10 * 1000000)
  32 #define PLL_DEFAULT_EPP_VALUE        0x80
  33
  34 #define TIM_SAFE_ENABLE              0xf1d0dead
  35 #define TIM_WATCHDOG_RESET_VALUE     0xffffffff
  36
  37 #define TIMEOUT_US                   (150 * USEC_PER_MSEC)
  38 #define PWR_ISLAND_STATUS_TIMEOUT_US (5 * USEC_PER_MSEC)
  39 #define PLL_TIMEOUT_US               (1500 * USEC_PER_MSEC)
  40 #define IDLE_TIMEOUT_US              (500 * USEC_PER_MSEC)
  41
  42 #define ICB_0_IRQ_MASK ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT)) | \
  43                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT)) | \
  44                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT)) | \
  45                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT)) | \
  46                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT)) | \
  47                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT)) | \
  48                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT)))
  49
  50 #define ICB_1_IRQ_MASK ((REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_2_INT)) | \
  51                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_3_INT)) | \
  52                         (REG_FLD(VPU_37XX_HOST_SS_ICB_STATUS_1, CPU_INT_REDIRECT_4_INT)))
  53
  54 #define ICB_0_1_IRQ_MASK ((((u64)ICB_1_IRQ_MASK) << 32) | ICB_0_IRQ_MASK)
  55
  56 #define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE)) | \
  57                            (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \
  58                            (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR)))
  59
  60 #define BUTTRESS_IRQ_ENABLE_MASK ((u32)~BUTTRESS_IRQ_MASK)
  61 #define BUTTRESS_IRQ_DISABLE_MASK ((u32)-1)
  62
  63 #define ITF_FIREWALL_VIOLATION_MASK ((REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_ROM_CMX)) | \
  64                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_DBG)) | \
  65                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, CSS_CTRL)) | \
  66                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, DEC400)) | \
  67                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_NCE)) | \
  68                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI)) | \
  69                                      (REG_FLD(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, MSS_MBI_CMX)))
  70
  71 static char *ivpu_platform_to_str(u32 platform)
  72 {
  73         switch (platform) {
  74         case IVPU_PLATFORM_SILICON:
  75                 return "IVPU_PLATFORM_SILICON";
  76         case IVPU_PLATFORM_SIMICS:
  77                 return "IVPU_PLATFORM_SIMICS";
  78         case IVPU_PLATFORM_FPGA:
  79                 return "IVPU_PLATFORM_FPGA";
  80         default:
  81                 return "Invalid platform";
  82         }
  83 }
  84
  85 static void ivpu_hw_read_platform(struct ivpu_device *vdev)
  86 {
  87         u32 gen_ctrl = REGV_RD32(VPU_37XX_HOST_SS_GEN_CTRL);
  88         u32 platform = REG_GET_FLD(VPU_37XX_HOST_SS_GEN_CTRL, PS, gen_ctrl);
  89
  90         if  (platform == IVPU_PLATFORM_SIMICS || platform == IVPU_PLATFORM_FPGA)
  91                 vdev->platform = platform;
  92         else
  93                 vdev->platform = IVPU_PLATFORM_SILICON;
  94
  95         ivpu_dbg(vdev, MISC, "Platform type: %s (%d)\n",
  96                  ivpu_platform_to_str(vdev->platform), vdev->platform);
  97 }
  98
  99 static void ivpu_hw_wa_init(struct ivpu_device *vdev)
 100 {
 101         vdev->wa.punit_disabled = ivpu_is_fpga(vdev);
 102         vdev->wa.clear_runtime_mem = false;
 103         vdev->wa.d3hot_after_power_off = true;
 104
 105         if (ivpu_device_id(vdev) == PCI_DEVICE_ID_MTL && ivpu_revision(vdev) < 4)
 106                 vdev->wa.interrupt_clear_with_0 = true;
 107 }
 108
 109 static void ivpu_hw_timeouts_init(struct ivpu_device *vdev)
 110 {
 111         if (ivpu_is_simics(vdev) || ivpu_is_fpga(vdev)) {
 112                 vdev->timeout.boot = 100000;
 113                 vdev->timeout.jsm = 50000;
 114                 vdev->timeout.tdr = 2000000;
 115                 vdev->timeout.reschedule_suspend = 1000;
 116         } else {
 117                 vdev->timeout.boot = 1000;
 118                 vdev->timeout.jsm = 500;
 119                 vdev->timeout.tdr = 2000;
 120                 vdev->timeout.reschedule_suspend = 10;
 121         }
 122 }
 123
 124 static int ivpu_pll_wait_for_cmd_send(struct ivpu_device *vdev)
 125 {
 126         return REGB_POLL_FLD(VPU_37XX_BUTTRESS_WP_REQ_CMD, SEND, 0, PLL_TIMEOUT_US);
 127 }
 128
 129 /* Send KMD initiated workpoint change */
 130 static int ivpu_pll_cmd_send(struct ivpu_device *vdev, u16 min_ratio, u16 max_ratio,
 131                              u16 target_ratio, u16 config)
 132 {
 133         int ret;
 134         u32 val;
 135
 136         ret = ivpu_pll_wait_for_cmd_send(vdev);
 137         if (ret) {
 138                 ivpu_err(vdev, "Failed to sync before WP request: %d\n", ret);
 139                 return ret;
 140         }
 141
 142         val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0);
 143         val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, MIN_RATIO, min_ratio, val);
 144         val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, MAX_RATIO, max_ratio, val);
 145         REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD0, val);
 146
 147         val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1);
 148         val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, TARGET_RATIO, target_ratio, val);
 149         val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, EPP, PLL_DEFAULT_EPP_VALUE, val);
 150         REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD1, val);
 151
 152         val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2);
 153         val = REG_SET_FLD_NUM(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2, CONFIG, config, val);
 154         REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_PAYLOAD2, val);
 155
 156         val = REGB_RD32(VPU_37XX_BUTTRESS_WP_REQ_CMD);
 157         val = REG_SET_FLD(VPU_37XX_BUTTRESS_WP_REQ_CMD, SEND, val);
 158         REGB_WR32(VPU_37XX_BUTTRESS_WP_REQ_CMD, val);
 159
 160         ret = ivpu_pll_wait_for_cmd_send(vdev);
 161         if (ret)
 162                 ivpu_err(vdev, "Failed to sync after WP request: %d\n", ret);
 163
 164         return ret;
 165 }
 166
 167 static int ivpu_pll_wait_for_lock(struct ivpu_device *vdev, bool enable)
 168 {
 169         u32 exp_val = enable ? 0x1 : 0x0;
 170
 171         if (IVPU_WA(punit_disabled))
 172                 return 0;
 173
 174         return REGB_POLL_FLD(VPU_37XX_BUTTRESS_PLL_STATUS, LOCK, exp_val, PLL_TIMEOUT_US);
 175 }
 176
 177 static int ivpu_pll_wait_for_status_ready(struct ivpu_device *vdev)
 178 {
 179         if (IVPU_WA(punit_disabled))
 180                 return 0;
 181
 182         return REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, READY, 1, PLL_TIMEOUT_US);
 183 }
 184
 185 static void ivpu_pll_init_frequency_ratios(struct ivpu_device *vdev)
 186 {
 187         struct ivpu_hw_info *hw = vdev->hw;
 188         u8 fuse_min_ratio, fuse_max_ratio, fuse_pn_ratio;
 189         u32 fmin_fuse, fmax_fuse;
 190
 191         fmin_fuse = REGB_RD32(VPU_37XX_BUTTRESS_FMIN_FUSE);
 192         fuse_min_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMIN_FUSE, MIN_RATIO, fmin_fuse);
 193         fuse_pn_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMIN_FUSE, PN_RATIO, fmin_fuse);
 194
 195         fmax_fuse = REGB_RD32(VPU_37XX_BUTTRESS_FMAX_FUSE);
 196         fuse_max_ratio = REG_GET_FLD(VPU_37XX_BUTTRESS_FMAX_FUSE, MAX_RATIO, fmax_fuse);
 197
 198         hw->pll.min_ratio = clamp_t(u8, ivpu_pll_min_ratio, fuse_min_ratio, fuse_max_ratio);
 199         hw->pll.max_ratio = clamp_t(u8, ivpu_pll_max_ratio, hw->pll.min_ratio, fuse_max_ratio);
 200         hw->pll.pn_ratio = clamp_t(u8, fuse_pn_ratio, hw->pll.min_ratio, hw->pll.max_ratio);
 201 }
 202
 203 static int ivpu_hw_37xx_wait_for_vpuip_bar(struct ivpu_device *vdev)
 204 {
 205         return REGV_POLL_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, AON, 0, 100);
 206 }
 207
 208 static int ivpu_pll_drive(struct ivpu_device *vdev, bool enable)
 209 {
 210         struct ivpu_hw_info *hw = vdev->hw;
 211         u16 target_ratio;
 212         u16 config;
 213         int ret;
 214
 215         if (IVPU_WA(punit_disabled)) {
 216                 ivpu_dbg(vdev, PM, "Skipping PLL request on %s\n",
 217                          ivpu_platform_to_str(vdev->platform));
 218                 return 0;
 219         }
 220
 221         if (enable) {
 222                 target_ratio = hw->pll.pn_ratio;
 223                 config = hw->config;
 224         } else {
 225                 target_ratio = 0;
 226                 config = 0;
 227         }
 228
 229         ivpu_dbg(vdev, PM, "PLL workpoint request: config 0x%04x pll ratio 0x%x\n",
 230                  config, target_ratio);
 231
 232         ret = ivpu_pll_cmd_send(vdev, hw->pll.min_ratio, hw->pll.max_ratio, target_ratio, config);
 233         if (ret) {
 234                 ivpu_err(vdev, "Failed to send PLL workpoint request: %d\n", ret);
 235                 return ret;
 236         }
 237
 238         ret = ivpu_pll_wait_for_lock(vdev, enable);
 239         if (ret) {
 240                 ivpu_err(vdev, "Timed out waiting for PLL lock\n");
 241                 return ret;
 242         }
 243
 244         if (enable) {
 245                 ret = ivpu_pll_wait_for_status_ready(vdev);
 246                 if (ret) {
 247                         ivpu_err(vdev, "Timed out waiting for PLL ready status\n");
 248                         return ret;
 249                 }
 250
 251                 ret = ivpu_hw_37xx_wait_for_vpuip_bar(vdev);
 252                 if (ret) {
 253                         ivpu_err(vdev, "Timed out waiting for VPUIP bar\n");
 254                         return ret;
 255                 }
 256         }
 257
 258         return 0;
 259 }
 260
 261 static int ivpu_pll_enable(struct ivpu_device *vdev)
 262 {
 263         return ivpu_pll_drive(vdev, true);
 264 }
 265
 266 static int ivpu_pll_disable(struct ivpu_device *vdev)
 267 {
 268         return ivpu_pll_drive(vdev, false);
 269 }
 270
 271 static void ivpu_boot_host_ss_rst_clr_assert(struct ivpu_device *vdev)
 272 {
 273         u32 val = 0;
 274
 275         val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, TOP_NOC, val);
 276         val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, DSS_MAS, val);
 277         val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_CLR, MSS_MAS, val);
 278
 279         REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_CLR, val);
 280 }
 281
 282 static void ivpu_boot_host_ss_rst_drive(struct ivpu_device *vdev, bool enable)
 283 {
 284         u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_RST_SET);
 285
 286         if (enable) {
 287                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val);
 288                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val);
 289                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val);
 290         } else {
 291                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, TOP_NOC, val);
 292                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, DSS_MAS, val);
 293                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_RST_SET, MSS_MAS, val);
 294         }
 295
 296         REGV_WR32(VPU_37XX_HOST_SS_CPR_RST_SET, val);
 297 }
 298
 299 static void ivpu_boot_host_ss_clk_drive(struct ivpu_device *vdev, bool enable)
 300 {
 301         u32 val = REGV_RD32(VPU_37XX_HOST_SS_CPR_CLK_SET);
 302
 303         if (enable) {
 304                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val);
 305                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val);
 306                 val = REG_SET_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val);
 307         } else {
 308                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, TOP_NOC, val);
 309                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, DSS_MAS, val);
 310                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_CPR_CLK_SET, MSS_MAS, val);
 311         }
 312
 313         REGV_WR32(VPU_37XX_HOST_SS_CPR_CLK_SET, val);
 314 }
 315
 316 static int ivpu_boot_noc_qreqn_check(struct ivpu_device *vdev, u32 exp_val)
 317 {
 318         u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN);
 319
 320         if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, exp_val, val))
 321                 return -EIO;
 322
 323         return 0;
 324 }
 325
 326 static int ivpu_boot_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val)
 327 {
 328         u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QACCEPTN);
 329
 330         if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QACCEPTN, TOP_SOCMMIO, exp_val, val))
 331                 return -EIO;
 332
 333         return 0;
 334 }
 335
 336 static int ivpu_boot_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val)
 337 {
 338         u32 val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QDENY);
 339
 340         if (!REG_TEST_FLD_NUM(VPU_37XX_HOST_SS_NOC_QDENY, TOP_SOCMMIO, exp_val, val))
 341                 return -EIO;
 342
 343         return 0;
 344 }
 345
 346 static int ivpu_boot_top_noc_qrenqn_check(struct ivpu_device *vdev, u32 exp_val)
 347 {
 348         u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QREQN);
 349
 350         if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, exp_val, val) ||
 351             !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, exp_val, val))
 352                 return -EIO;
 353
 354         return 0;
 355 }
 356
 357 static int ivpu_boot_top_noc_qacceptn_check(struct ivpu_device *vdev, u32 exp_val)
 358 {
 359         u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QACCEPTN);
 360
 361         if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QACCEPTN, CPU_CTRL, exp_val, val) ||
 362             !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QACCEPTN, HOSTIF_L2CACHE, exp_val, val))
 363                 return -EIO;
 364
 365         return 0;
 366 }
 367
 368 static int ivpu_boot_top_noc_qdeny_check(struct ivpu_device *vdev, u32 exp_val)
 369 {
 370         u32 val = REGV_RD32(MTL_VPU_TOP_NOC_QDENY);
 371
 372         if (!REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QDENY, CPU_CTRL, exp_val, val) ||
 373             !REG_TEST_FLD_NUM(MTL_VPU_TOP_NOC_QDENY, HOSTIF_L2CACHE, exp_val, val))
 374                 return -EIO;
 375
 376         return 0;
 377 }
 378
 379 static int ivpu_boot_host_ss_configure(struct ivpu_device *vdev)
 380 {
 381         ivpu_boot_host_ss_rst_clr_assert(vdev);
 382
 383         return ivpu_boot_noc_qreqn_check(vdev, 0x0);
 384 }
 385
 386 static void ivpu_boot_vpu_idle_gen_disable(struct ivpu_device *vdev)
 387 {
 388         REGV_WR32(VPU_37XX_HOST_SS_AON_VPU_IDLE_GEN, 0x0);
 389 }
 390
 391 static int ivpu_boot_host_ss_axi_drive(struct ivpu_device *vdev, bool enable)
 392 {
 393         int ret;
 394         u32 val;
 395
 396         val = REGV_RD32(VPU_37XX_HOST_SS_NOC_QREQN);
 397         if (enable)
 398                 val = REG_SET_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
 399         else
 400                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_NOC_QREQN, TOP_SOCMMIO, val);
 401         REGV_WR32(VPU_37XX_HOST_SS_NOC_QREQN, val);
 402
 403         ret = ivpu_boot_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0);
 404         if (ret) {
 405                 ivpu_err(vdev, "Failed qacceptn check: %d\n", ret);
 406                 return ret;
 407         }
 408
 409         ret = ivpu_boot_noc_qdeny_check(vdev, 0x0);
 410         if (ret)
 411                 ivpu_err(vdev, "Failed qdeny check: %d\n", ret);
 412
 413         return ret;
 414 }
 415
 416 static int ivpu_boot_host_ss_axi_enable(struct ivpu_device *vdev)
 417 {
 418         return ivpu_boot_host_ss_axi_drive(vdev, true);
 419 }
 420
 421 static int ivpu_boot_host_ss_top_noc_drive(struct ivpu_device *vdev, bool enable)
 422 {
 423         int ret;
 424         u32 val;
 425
 426         val = REGV_RD32(MTL_VPU_TOP_NOC_QREQN);
 427         if (enable) {
 428                 val = REG_SET_FLD(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, val);
 429                 val = REG_SET_FLD(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
 430         } else {
 431                 val = REG_CLR_FLD(MTL_VPU_TOP_NOC_QREQN, CPU_CTRL, val);
 432                 val = REG_CLR_FLD(MTL_VPU_TOP_NOC_QREQN, HOSTIF_L2CACHE, val);
 433         }
 434         REGV_WR32(MTL_VPU_TOP_NOC_QREQN, val);
 435
 436         ret = ivpu_boot_top_noc_qacceptn_check(vdev, enable ? 0x1 : 0x0);
 437         if (ret) {
 438                 ivpu_err(vdev, "Failed qacceptn check: %d\n", ret);
 439                 return ret;
 440         }
 441
 442         ret = ivpu_boot_top_noc_qdeny_check(vdev, 0x0);
 443         if (ret)
 444                 ivpu_err(vdev, "Failed qdeny check: %d\n", ret);
 445
 446         return ret;
 447 }
 448
 449 static int ivpu_boot_host_ss_top_noc_enable(struct ivpu_device *vdev)
 450 {
 451         return ivpu_boot_host_ss_top_noc_drive(vdev, true);
 452 }
 453
 454 static void ivpu_boot_pwr_island_trickle_drive(struct ivpu_device *vdev, bool enable)
 455 {
 456         u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0);
 457
 458         if (enable)
 459                 val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val);
 460         else
 461                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, MSS_CPU, val);
 462
 463         REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_TRICKLE_EN0, val);
 464 }
 465
 466 static void ivpu_boot_pwr_island_drive(struct ivpu_device *vdev, bool enable)
 467 {
 468         u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0);
 469
 470         if (enable)
 471                 val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val);
 472         else
 473                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, MSS_CPU, val);
 474
 475         REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISLAND_EN0, val);
 476 }
 477
 478 static int ivpu_boot_wait_for_pwr_island_status(struct ivpu_device *vdev, u32 exp_val)
 479 {
 480         /* FPGA model (UPF) is not power aware, skipped Power Island polling */
 481         if (ivpu_is_fpga(vdev))
 482                 return 0;
 483
 484         return REGV_POLL_FLD(VPU_37XX_HOST_SS_AON_PWR_ISLAND_STATUS0, MSS_CPU,
 485                              exp_val, PWR_ISLAND_STATUS_TIMEOUT_US);
 486 }
 487
 488 static void ivpu_boot_pwr_island_isolation_drive(struct ivpu_device *vdev, bool enable)
 489 {
 490         u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0);
 491
 492         if (enable)
 493                 val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val);
 494         else
 495                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, MSS_CPU, val);
 496
 497         REGV_WR32(VPU_37XX_HOST_SS_AON_PWR_ISO_EN0, val);
 498 }
 499
 500 static void ivpu_boot_dpu_active_drive(struct ivpu_device *vdev, bool enable)
 501 {
 502         u32 val = REGV_RD32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE);
 503
 504         if (enable)
 505                 val = REG_SET_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val);
 506         else
 507                 val = REG_CLR_FLD(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, DPU_ACTIVE, val);
 508
 509         REGV_WR32(VPU_37XX_HOST_SS_AON_DPU_ACTIVE, val);
 510 }
 511
 512 static int ivpu_boot_pwr_domain_enable(struct ivpu_device *vdev)
 513 {
 514         int ret;
 515
 516         ivpu_boot_pwr_island_trickle_drive(vdev, true);
 517         ivpu_boot_pwr_island_drive(vdev, true);
 518
 519         ret = ivpu_boot_wait_for_pwr_island_status(vdev, 0x1);
 520         if (ret) {
 521                 ivpu_err(vdev, "Timed out waiting for power island status\n");
 522                 return ret;
 523         }
 524
 525         ret = ivpu_boot_top_noc_qrenqn_check(vdev, 0x0);
 526         if (ret) {
 527                 ivpu_err(vdev, "Failed qrenqn check %d\n", ret);
 528                 return ret;
 529         }
 530
 531         ivpu_boot_host_ss_clk_drive(vdev, true);
 532         ivpu_boot_pwr_island_isolation_drive(vdev, false);
 533         ivpu_boot_host_ss_rst_drive(vdev, true);
 534         ivpu_boot_dpu_active_drive(vdev, true);
 535
 536         return ret;
 537 }
 538
 539 static void ivpu_boot_no_snoop_enable(struct ivpu_device *vdev)
 540 {
 541         u32 val = REGV_RD32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES);
 542
 543         val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, NOSNOOP_OVERRIDE_EN, val);
 544         val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AW_NOSNOOP_OVERRIDE, val);
 545         val = REG_SET_FLD(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, AR_NOSNOOP_OVERRIDE, val);
 546
 547         REGV_WR32(VPU_37XX_HOST_IF_TCU_PTW_OVERRIDES, val);
 548 }
 549
 550 static void ivpu_boot_tbu_mmu_enable(struct ivpu_device *vdev)
 551 {
 552         u32 val = REGV_RD32(VPU_37XX_HOST_IF_TBU_MMUSSIDV);
 553
 554         val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_AWMMUSSIDV, val);
 555         val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU0_ARMMUSSIDV, val);
 556         val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_AWMMUSSIDV, val);
 557         val = REG_SET_FLD(VPU_37XX_HOST_IF_TBU_MMUSSIDV, TBU2_ARMMUSSIDV, val);
 558
 559         REGV_WR32(VPU_37XX_HOST_IF_TBU_MMUSSIDV, val);
 560 }
 561
 562 static void ivpu_boot_soc_cpu_boot(struct ivpu_device *vdev)
 563 {
 564         u32 val;
 565
 566         val = REGV_RD32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC);
 567         val = REG_SET_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTRUN0, val);
 568
 569         val = REG_CLR_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RSTVEC, val);
 570         REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
 571
 572         val = REG_SET_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val);
 573         REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
 574
 575         val = REG_CLR_FLD(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, IRQI_RESUME0, val);
 576         REGV_WR32(MTL_VPU_CPU_SS_MSSCPU_CPR_LEON_RT_VEC, val);
 577
 578         val = vdev->fw->entry_point >> 9;
 579         REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val);
 580
 581         val = REG_SET_FLD(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, DONE, val);
 582         REGV_WR32(VPU_37XX_HOST_SS_LOADING_ADDRESS_LO, val);
 583
 584         ivpu_dbg(vdev, PM, "Booting firmware, mode: %s\n",
 585                  vdev->fw->entry_point == vdev->fw->cold_boot_entry_point ? "cold boot" : "resume");
 586 }
 587
 588 static int ivpu_boot_d0i3_drive(struct ivpu_device *vdev, bool enable)
 589 {
 590         int ret;
 591         u32 val;
 592
 593         ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US);
 594         if (ret) {
 595                 ivpu_err(vdev, "Failed to sync before D0i3 transition: %d\n", ret);
 596                 return ret;
 597         }
 598
 599         val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL);
 600         if (enable)
 601                 val = REG_SET_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, I3, val);
 602         else
 603                 val = REG_CLR_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, I3, val);
 604         REGB_WR32(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, val);
 605
 606         ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US);
 607         if (ret)
 608                 ivpu_err(vdev, "Failed to sync after D0i3 transition: %d\n", ret);
 609
 610         return ret;
 611 }
 612
 613 static int ivpu_hw_37xx_info_init(struct ivpu_device *vdev)
 614 {
 615         struct ivpu_hw_info *hw = vdev->hw;
 616
 617         hw->tile_fuse = TILE_FUSE_ENABLE_BOTH;
 618         hw->sku = TILE_SKU_BOTH_MTL;
 619         hw->config = WP_CONFIG_2_TILE_4_3_RATIO;
 620
 621         ivpu_pll_init_frequency_ratios(vdev);
 622
 623         ivpu_hw_init_range(&hw->ranges.global, 0x80000000, SZ_512M);
 624         ivpu_hw_init_range(&hw->ranges.user,   0xc0000000, 255 * SZ_1M);
 625         ivpu_hw_init_range(&hw->ranges.shave, 0x180000000, SZ_2G);
 626         ivpu_hw_init_range(&hw->ranges.dma,   0x200000000, SZ_8G);
 627
 628         return 0;
 629 }
 630
 631 static int ivpu_hw_37xx_reset(struct ivpu_device *vdev)
 632 {
 633         int ret;
 634         u32 val;
 635
 636         if (IVPU_WA(punit_disabled))
 637                 return 0;
 638
 639         ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US);
 640         if (ret) {
 641                 ivpu_err(vdev, "Timed out waiting for TRIGGER bit\n");
 642                 return ret;
 643         }
 644
 645         val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_IP_RESET);
 646         val = REG_SET_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, val);
 647         REGB_WR32(VPU_37XX_BUTTRESS_VPU_IP_RESET, val);
 648
 649         ret = REGB_POLL_FLD(VPU_37XX_BUTTRESS_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US);
 650         if (ret)
 651                 ivpu_err(vdev, "Timed out waiting for RESET completion\n");
 652
 653         return ret;
 654 }
 655
 656 static int ivpu_hw_37xx_d0i3_enable(struct ivpu_device *vdev)
 657 {
 658         int ret;
 659
 660         ret = ivpu_boot_d0i3_drive(vdev, true);
 661         if (ret)
 662                 ivpu_err(vdev, "Failed to enable D0i3: %d\n", ret);
 663
 664         udelay(5); /* VPU requires 5 us to complete the transition */
 665
 666         return ret;
 667 }
 668
 669 static int ivpu_hw_37xx_d0i3_disable(struct ivpu_device *vdev)
 670 {
 671         int ret;
 672
 673         ret = ivpu_boot_d0i3_drive(vdev, false);
 674         if (ret)
 675                 ivpu_err(vdev, "Failed to disable D0i3: %d\n", ret);
 676
 677         return ret;
 678 }
 679
 680 static int ivpu_hw_37xx_power_up(struct ivpu_device *vdev)
 681 {
 682         int ret;
 683
 684         ivpu_hw_read_platform(vdev);
 685         ivpu_hw_wa_init(vdev);
 686         ivpu_hw_timeouts_init(vdev);
 687
 688         ret = ivpu_hw_37xx_reset(vdev);
 689         if (ret)
 690                 ivpu_warn(vdev, "Failed to reset HW: %d\n", ret);
 691
 692         ret = ivpu_hw_37xx_d0i3_disable(vdev);
 693         if (ret)
 694                 ivpu_warn(vdev, "Failed to disable D0I3: %d\n", ret);
 695
 696         ret = ivpu_pll_enable(vdev);
 697         if (ret) {
 698                 ivpu_err(vdev, "Failed to enable PLL: %d\n", ret);
 699                 return ret;
 700         }
 701
 702         ret = ivpu_boot_host_ss_configure(vdev);
 703         if (ret) {
 704                 ivpu_err(vdev, "Failed to configure host SS: %d\n", ret);
 705                 return ret;
 706         }
 707
 708         /*
 709          * The control circuitry for vpu_idle indication logic powers up active.
 710          * To ensure unnecessary low power mode signal from LRT during bring up,
 711          * KMD disables the circuitry prior to bringing up the Main Power island.
 712          */
 713         ivpu_boot_vpu_idle_gen_disable(vdev);
 714
 715         ret = ivpu_boot_pwr_domain_enable(vdev);
 716         if (ret) {
 717                 ivpu_err(vdev, "Failed to enable power domain: %d\n", ret);
 718                 return ret;
 719         }
 720
 721         ret = ivpu_boot_host_ss_axi_enable(vdev);
 722         if (ret) {
 723                 ivpu_err(vdev, "Failed to enable AXI: %d\n", ret);
 724                 return ret;
 725         }
 726
 727         ret = ivpu_boot_host_ss_top_noc_enable(vdev);
 728         if (ret)
 729                 ivpu_err(vdev, "Failed to enable TOP NOC: %d\n", ret);
 730
 731         return ret;
 732 }
 733
 734 static int ivpu_hw_37xx_boot_fw(struct ivpu_device *vdev)
 735 {
 736         ivpu_boot_no_snoop_enable(vdev);
 737         ivpu_boot_tbu_mmu_enable(vdev);
 738         ivpu_boot_soc_cpu_boot(vdev);
 739
 740         return 0;
 741 }
 742
 743 static bool ivpu_hw_37xx_is_idle(struct ivpu_device *vdev)
 744 {
 745         u32 val;
 746
 747         if (IVPU_WA(punit_disabled))
 748                 return true;
 749
 750         val = REGB_RD32(VPU_37XX_BUTTRESS_VPU_STATUS);
 751         return REG_TEST_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, READY, val) &&
 752                REG_TEST_FLD(VPU_37XX_BUTTRESS_VPU_STATUS, IDLE, val);
 753 }
 754
 755 static int ivpu_hw_37xx_power_down(struct ivpu_device *vdev)
 756 {
 757         int ret = 0;
 758
 759         if (!ivpu_hw_37xx_is_idle(vdev) && ivpu_hw_37xx_reset(vdev))
 760                 ivpu_err(vdev, "Failed to reset the VPU\n");
 761
 762         if (ivpu_pll_disable(vdev)) {
 763                 ivpu_err(vdev, "Failed to disable PLL\n");
 764                 ret = -EIO;
 765         }
 766
 767         if (ivpu_hw_37xx_d0i3_enable(vdev)) {
 768                 ivpu_err(vdev, "Failed to enter D0I3\n");
 769                 ret = -EIO;
 770         }
 771
 772         return ret;
 773 }
 774
 775 static void ivpu_hw_37xx_wdt_disable(struct ivpu_device *vdev)
 776 {
 777         u32 val;
 778
 779         /* Enable writing and set non-zero WDT value */
 780         REGV_WR32(MTL_VPU_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
 781         REGV_WR32(MTL_VPU_CPU_SS_TIM_WATCHDOG, TIM_WATCHDOG_RESET_VALUE);
 782
 783         /* Enable writing and disable watchdog timer */
 784         REGV_WR32(MTL_VPU_CPU_SS_TIM_SAFE, TIM_SAFE_ENABLE);
 785         REGV_WR32(MTL_VPU_CPU_SS_TIM_WDOG_EN, 0);
 786
 787         /* Now clear the timeout interrupt */
 788         val = REGV_RD32(MTL_VPU_CPU_SS_TIM_GEN_CONFIG);
 789         val = REG_CLR_FLD(MTL_VPU_CPU_SS_TIM_GEN_CONFIG, WDOG_TO_INT_CLR, val);
 790         REGV_WR32(MTL_VPU_CPU_SS_TIM_GEN_CONFIG, val);
 791 }
 792
 793 static u32 ivpu_hw_37xx_pll_to_freq(u32 ratio, u32 config)
 794 {
 795         u32 pll_clock = PLL_REF_CLK_FREQ * ratio;
 796         u32 cpu_clock;
 797
 798         if ((config & 0xff) == PLL_RATIO_4_3)
 799                 cpu_clock = pll_clock * 2 / 4;
 800         else
 801                 cpu_clock = pll_clock * 2 / 5;
 802
 803         return cpu_clock;
 804 }
 805
 806 /* Register indirect accesses */
 807 static u32 ivpu_hw_37xx_reg_pll_freq_get(struct ivpu_device *vdev)
 808 {
 809         u32 pll_curr_ratio;
 810
 811         pll_curr_ratio = REGB_RD32(VPU_37XX_BUTTRESS_CURRENT_PLL);
 812         pll_curr_ratio &= VPU_37XX_BUTTRESS_CURRENT_PLL_RATIO_MASK;
 813
 814         if (!ivpu_is_silicon(vdev))
 815                 return PLL_SIMULATION_FREQ;
 816
 817         return ivpu_hw_37xx_pll_to_freq(pll_curr_ratio, vdev->hw->config);
 818 }
 819
 820 static u32 ivpu_hw_37xx_reg_telemetry_offset_get(struct ivpu_device *vdev)
 821 {
 822         return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_OFFSET);
 823 }
 824
 825 static u32 ivpu_hw_37xx_reg_telemetry_size_get(struct ivpu_device *vdev)
 826 {
 827         return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_SIZE);
 828 }
 829
 830 static u32 ivpu_hw_37xx_reg_telemetry_enable_get(struct ivpu_device *vdev)
 831 {
 832         return REGB_RD32(VPU_37XX_BUTTRESS_VPU_TELEMETRY_ENABLE);
 833 }
 834
 835 static void ivpu_hw_37xx_reg_db_set(struct ivpu_device *vdev, u32 db_id)
 836 {
 837         u32 reg_stride = MTL_VPU_CPU_SS_DOORBELL_1 - MTL_VPU_CPU_SS_DOORBELL_0;
 838         u32 val = REG_FLD(MTL_VPU_CPU_SS_DOORBELL_0, SET);
 839
 840         REGV_WR32I(MTL_VPU_CPU_SS_DOORBELL_0, reg_stride, db_id, val);
 841 }
 842
 843 static u32 ivpu_hw_37xx_reg_ipc_rx_addr_get(struct ivpu_device *vdev)
 844 {
 845         return REGV_RD32(VPU_37XX_HOST_SS_TIM_IPC_FIFO_ATM);
 846 }
 847
 848 static u32 ivpu_hw_37xx_reg_ipc_rx_count_get(struct ivpu_device *vdev)
 849 {
 850         u32 count = REGV_RD32_SILENT(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT);
 851
 852         return REG_GET_FLD(VPU_37XX_HOST_SS_TIM_IPC_FIFO_STAT, FILL_LEVEL, count);
 853 }
 854
 855 static void ivpu_hw_37xx_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
 856 {
 857         REGV_WR32(MTL_VPU_CPU_SS_TIM_IPC_FIFO, vpu_addr);
 858 }
 859
 860 static void ivpu_hw_37xx_irq_clear(struct ivpu_device *vdev)
 861 {
 862         REGV_WR64(VPU_37XX_HOST_SS_ICB_CLEAR_0, ICB_0_1_IRQ_MASK);
 863 }
 864
 865 static void ivpu_hw_37xx_irq_enable(struct ivpu_device *vdev)
 866 {
 867         REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, ITF_FIREWALL_VIOLATION_MASK);
 868         REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, ICB_0_1_IRQ_MASK);
 869         REGB_WR32(VPU_37XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_ENABLE_MASK);
 870         REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x0);
 871 }
 872
 873 static void ivpu_hw_37xx_irq_disable(struct ivpu_device *vdev)
 874 {
 875         REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x1);
 876         REGB_WR32(VPU_37XX_BUTTRESS_LOCAL_INT_MASK, BUTTRESS_IRQ_DISABLE_MASK);
 877         REGV_WR64(VPU_37XX_HOST_SS_ICB_ENABLE_0, 0x0ull);
 878         REGV_WR32(VPU_37XX_HOST_SS_FW_SOC_IRQ_EN, 0x0);
 879 }
 880
 881 static void ivpu_hw_37xx_irq_wdt_nce_handler(struct ivpu_device *vdev)
 882 {
 883         ivpu_err_ratelimited(vdev, "WDT NCE irq\n");
 884
 885         ivpu_pm_schedule_recovery(vdev);
 886 }
 887
 888 static void ivpu_hw_37xx_irq_wdt_mss_handler(struct ivpu_device *vdev)
 889 {
 890         ivpu_err_ratelimited(vdev, "WDT MSS irq\n");
 891
 892         ivpu_hw_wdt_disable(vdev);
 893         ivpu_pm_schedule_recovery(vdev);
 894 }
 895
 896 static void ivpu_hw_37xx_irq_noc_firewall_handler(struct ivpu_device *vdev)
 897 {
 898         ivpu_err_ratelimited(vdev, "NOC Firewall irq\n");
 899
 900         ivpu_pm_schedule_recovery(vdev);
 901 }
 902
 903 /* Handler for IRQs from VPU core (irqV) */
 904 static u32 ivpu_hw_37xx_irqv_handler(struct ivpu_device *vdev, int irq)
 905 {
 906         u32 status = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK;
 907
 908         REGV_WR32(VPU_37XX_HOST_SS_ICB_CLEAR_0, status);
 909
 910         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_0_INT, status))
 911                 ivpu_mmu_irq_evtq_handler(vdev);
 912
 913         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, HOST_IPC_FIFO_INT, status))
 914                 ivpu_ipc_irq_handler(vdev);
 915
 916         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_1_INT, status))
 917                 ivpu_dbg(vdev, IRQ, "MMU sync complete\n");
 918
 919         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, MMU_IRQ_2_INT, status))
 920                 ivpu_mmu_irq_gerr_handler(vdev);
 921
 922         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, status))
 923                 ivpu_hw_37xx_irq_wdt_mss_handler(vdev);
 924
 925         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, status))
 926                 ivpu_hw_37xx_irq_wdt_nce_handler(vdev);
 927
 928         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, status))
 929                 ivpu_hw_37xx_irq_noc_firewall_handler(vdev);
 930
 931         return status;
 932 }
 933
 934 /* Handler for IRQs from Buttress core (irqB) */
 935 static u32 ivpu_hw_37xx_irqb_handler(struct ivpu_device *vdev, int irq)
 936 {
 937         u32 status = REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK;
 938         bool schedule_recovery = false;
 939
 940         if (status == 0)
 941                 return 0;
 942
 943         if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE, status))
 944                 ivpu_dbg(vdev, IRQ, "FREQ_CHANGE irq: %08x",
 945                          REGB_RD32(VPU_37XX_BUTTRESS_CURRENT_PLL));
 946
 947         if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, status)) {
 948                 ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_37XX_BUTTRESS_ATS_ERR_LOG_0));
 949                 REGB_WR32(VPU_37XX_BUTTRESS_ATS_ERR_CLEAR, 0x1);
 950                 schedule_recovery = true;
 951         }
 952
 953         if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR, status)) {
 954                 u32 ufi_log = REGB_RD32(VPU_37XX_BUTTRESS_UFI_ERR_LOG);
 955
 956                 ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx",
 957                          ufi_log, REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, OPCODE, ufi_log),
 958                          REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, AXI_ID, ufi_log),
 959                          REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, CQ_ID, ufi_log));
 960                 REGB_WR32(VPU_37XX_BUTTRESS_UFI_ERR_CLEAR, 0x1);
 961                 schedule_recovery = true;
 962         }
 963
 964         /* This must be done after interrupts are cleared at the source. */
 965         if (IVPU_WA(interrupt_clear_with_0))
 966                 /*
 967                  * Writing 1 triggers an interrupt, so we can't perform read update write.
 968                  * Clear local interrupt status by writing 0 to all bits.
 969                  */
 970                 REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, 0x0);
 971         else
 972                 REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, status);
 973
 974         if (schedule_recovery)
 975                 ivpu_pm_schedule_recovery(vdev);
 976
 977         return status;
 978 }
 979
 980 static irqreturn_t ivpu_hw_37xx_irq_handler(int irq, void *ptr)
 981 {
 982         struct ivpu_device *vdev = ptr;
 983         u32 ret_irqv, ret_irqb;
 984
 985         REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x1);
 986
 987         ret_irqv = ivpu_hw_37xx_irqv_handler(vdev, irq);
 988         ret_irqb = ivpu_hw_37xx_irqb_handler(vdev, irq);
 989
 990         /* Re-enable global interrupts to re-trigger MSI for pending interrupts */
 991         REGB_WR32(VPU_37XX_BUTTRESS_GLOBAL_INT_MASK, 0x0);
 992
 993         return IRQ_RETVAL(ret_irqb | ret_irqv);
 994 }
 995
 996 static void ivpu_hw_37xx_diagnose_failure(struct ivpu_device *vdev)
 997 {
 998         u32 irqv = REGV_RD32(VPU_37XX_HOST_SS_ICB_STATUS_0) & ICB_0_IRQ_MASK;
 999         u32 irqb = REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) & BUTTRESS_IRQ_MASK;
1000
1001         if (ivpu_hw_37xx_reg_ipc_rx_count_get(vdev))
1002                 ivpu_err(vdev, "IPC FIFO queue not empty, missed IPC IRQ");
1003
1004         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_0_INT, irqv))
1005                 ivpu_err(vdev, "WDT MSS timeout detected\n");
1006
1007         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, CPU_INT_REDIRECT_1_INT, irqv))
1008                 ivpu_err(vdev, "WDT NCE timeout detected\n");
1009
1010         if (REG_TEST_FLD(VPU_37XX_HOST_SS_ICB_STATUS_0, NOC_FIREWALL_INT, irqv))
1011                 ivpu_err(vdev, "NOC Firewall irq detected\n");
1012
1013         if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR, irqb))
1014                 ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_37XX_BUTTRESS_ATS_ERR_LOG_0));
1015
1016         if (REG_TEST_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR, irqb)) {
1017                 u32 ufi_log = REGB_RD32(VPU_37XX_BUTTRESS_UFI_ERR_LOG);
1018
1019                 ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx",
1020                          ufi_log, REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, OPCODE, ufi_log),
1021                          REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, AXI_ID, ufi_log),
1022                          REG_GET_FLD(VPU_37XX_BUTTRESS_UFI_ERR_LOG, CQ_ID, ufi_log));
1023         }
1024 }
1025
1026 const struct ivpu_hw_ops ivpu_hw_37xx_ops = {
1027         .info_init = ivpu_hw_37xx_info_init,
1028         .power_up = ivpu_hw_37xx_power_up,
1029         .is_idle = ivpu_hw_37xx_is_idle,
1030         .power_down = ivpu_hw_37xx_power_down,
1031         .reset = ivpu_hw_37xx_reset,
1032         .boot_fw = ivpu_hw_37xx_boot_fw,
1033         .wdt_disable = ivpu_hw_37xx_wdt_disable,
1034         .diagnose_failure = ivpu_hw_37xx_diagnose_failure,
1035         .reg_pll_freq_get = ivpu_hw_37xx_reg_pll_freq_get,
1036         .reg_telemetry_offset_get = ivpu_hw_37xx_reg_telemetry_offset_get,
1037         .reg_telemetry_size_get = ivpu_hw_37xx_reg_telemetry_size_get,
1038         .reg_telemetry_enable_get = ivpu_hw_37xx_reg_telemetry_enable_get,
1039         .reg_db_set = ivpu_hw_37xx_reg_db_set,
1040         .reg_ipc_rx_addr_get = ivpu_hw_37xx_reg_ipc_rx_addr_get,
1041         .reg_ipc_rx_count_get = ivpu_hw_37xx_reg_ipc_rx_count_get,
1042         .reg_ipc_tx_set = ivpu_hw_37xx_reg_ipc_tx_set,
1043         .irq_clear = ivpu_hw_37xx_irq_clear,
1044         .irq_enable = ivpu_hw_37xx_irq_enable,
1045         .irq_disable = ivpu_hw_37xx_irq_disable,
1046         .irq_handler = ivpu_hw_37xx_irq_handler,
1047 };