kernel/drivers/bus/omap_l3_noc.h

   1 /*
   2  * OMAP L3 Interconnect  error handling driver header
   3  *
   4  * Copyright (C) 2011-2015 Texas Instruments Incorporated - http://www.ti.com/
   5  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   6  *      sricharan <r.sricharan@ti.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  13  * kind, whether express or implied; without even the implied warranty
  14  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17 #ifndef __OMAP_L3_NOC_H
  18 #define __OMAP_L3_NOC_H
  19
  20 #define MAX_L3_MODULES                  3
  21 #define MAX_CLKDM_TARGETS               31
  22
  23 #define CLEAR_STDERR_LOG                (1 << 31)
  24 #define CUSTOM_ERROR                    0x2
  25 #define STANDARD_ERROR                  0x0
  26 #define INBAND_ERROR                    0x0
  27 #define L3_APPLICATION_ERROR            0x0
  28 #define L3_DEBUG_ERROR                  0x1
  29
  30 /* L3 TARG register offsets */
  31 #define L3_TARG_STDERRLOG_MAIN          0x48
  32 #define L3_TARG_STDERRLOG_HDR           0x4c
  33 #define L3_TARG_STDERRLOG_MSTADDR       0x50
  34 #define L3_TARG_STDERRLOG_INFO          0x58
  35 #define L3_TARG_STDERRLOG_SLVOFSLSB     0x5c
  36 #define L3_TARG_STDERRLOG_CINFO_INFO    0x64
  37 #define L3_TARG_STDERRLOG_CINFO_MSTADDR 0x68
  38 #define L3_TARG_STDERRLOG_CINFO_OPCODE  0x6c
  39 #define L3_FLAGMUX_REGERR0              0xc
  40 #define L3_FLAGMUX_MASK0                0x8
  41
  42 #define L3_TARGET_NOT_SUPPORTED         NULL
  43
  44 #define L3_BASE_IS_SUBMODULE            ((void __iomem *)(1 << 0))
  45
  46 static const char * const l3_transaction_type[] = {
  47         /* 0 0 0 */ "Idle",
  48         /* 0 0 1 */ "Write",
  49         /* 0 1 0 */ "Read",
  50         /* 0 1 1 */ "ReadEx",
  51         /* 1 0 0 */ "Read Link",
  52         /* 1 0 1 */ "Write Non-Posted",
  53         /* 1 1 0 */ "Write Conditional",
  54         /* 1 1 1 */ "Write Broadcast",
  55 };
  56
  57 /**
  58  * struct l3_masters_data - L3 Master information
  59  * @id:         ID of the L3 Master
  60  * @name:       master name
  61  */
  62 struct l3_masters_data {
  63         u32 id;
  64         char *name;
  65 };
  66
  67 /**
  68  * struct l3_target_data - L3 Target information
  69  * @offset:     Offset from base for L3 Target
  70  * @name:       Target name
  71  *
  72  * Target information is organized indexed by bit field definitions.
  73  */
  74 struct l3_target_data {
  75         u32 offset;
  76         char *name;
  77 };
  78
  79 /**
  80  * struct l3_flagmux_data - Flag Mux information
  81  * @offset:     offset from base for flagmux register
  82  * @l3_targ:    array indexed by flagmux index (bit offset) pointing to the
  83  *              target data. unsupported ones are marked with
  84  *              L3_TARGET_NOT_SUPPORTED
  85  * @num_targ_data: number of entries in target data
  86  * @mask_app_bits: ignore these from raw application irq status
  87  * @mask_dbg_bits: ignore these from raw debug irq status
  88  */
  89 struct l3_flagmux_data {
  90         u32 offset;
  91         struct l3_target_data *l3_targ;
  92         u8 num_targ_data;
  93         u32 mask_app_bits;
  94         u32 mask_dbg_bits;
  95 };
  96
  97
  98 /**
  99  * struct omap_l3 - Description of data relevant for L3 bus.
 100  * @dev:        device representing the bus (populated runtime)
 101  * @l3_base:    base addresses of modules (populated runtime if 0)
 102  *              if set to L3_BASE_IS_SUBMODULE, then uses previous
 103  *              module index as the base address
 104  * @l3_flag_mux: array containing flag mux data per module
 105  *               offset from corresponding module base indexed per
 106  *               module.
 107  * @num_modules: number of clock domains / modules.
 108  * @l3_masters: array pointing to master data containing name and register
 109  *              offset for the master.
 110  * @num_master: number of masters
 111  * @mst_addr_mask: Mask representing MSTADDR information of NTTP packet
 112  * @debug_irq:  irq number of the debug interrupt (populated runtime)
 113  * @app_irq:    irq number of the application interrupt (populated runtime)
 114  */
 115 struct omap_l3 {
 116         struct device *dev;
 117
 118         void __iomem *l3_base[MAX_L3_MODULES];
 119         struct l3_flagmux_data **l3_flagmux;
 120         int num_modules;
 121
 122         struct l3_masters_data *l3_masters;
 123         int num_masters;
 124         u32 mst_addr_mask;
 125
 126         int debug_irq;
 127         int app_irq;
 128 };
 129
 130 static struct l3_target_data omap_l3_target_data_clk1[] = {
 131         {0x100, "DMM1",},
 132         {0x200, "DMM2",},
 133         {0x300, "ABE",},
 134         {0x400, "L4CFG",},
 135         {0x600, "CLK2PWRDISC",},
 136         {0x0,   "HOSTCLK1",},
 137         {0x900, "L4WAKEUP",},
 138 };
 139
 140 static struct l3_flagmux_data omap_l3_flagmux_clk1 = {
 141         .offset = 0x500,
 142         .l3_targ = omap_l3_target_data_clk1,
 143         .num_targ_data = ARRAY_SIZE(omap_l3_target_data_clk1),
 144 };
 145
 146
 147 static struct l3_target_data omap_l3_target_data_clk2[] = {
 148         {0x500, "CORTEXM3",},
 149         {0x300, "DSS",},
 150         {0x100, "GPMC",},
 151         {0x400, "ISS",},
 152         {0x700, "IVAHD",},
 153         {0xD00, "AES1",},
 154         {0x900, "L4PER0",},
 155         {0x200, "OCMRAM",},
 156         {0x100, "GPMCsERROR",},
 157         {0x600, "SGX",},
 158         {0x800, "SL2",},
 159         {0x1600, "C2C",},
 160         {0x1100, "PWRDISCCLK1",},
 161         {0xF00, "SHA1",},
 162         {0xE00, "AES2",},
 163         {0xC00, "L4PER3",},
 164         {0xA00, "L4PER1",},
 165         {0xB00, "L4PER2",},
 166         {0x0,   "HOSTCLK2",},
 167         {0x1800, "CAL",},
 168         {0x1700, "LLI",},
 169 };
 170
 171 static struct l3_flagmux_data omap_l3_flagmux_clk2 = {
 172         .offset = 0x1000,
 173         .l3_targ = omap_l3_target_data_clk2,
 174         .num_targ_data = ARRAY_SIZE(omap_l3_target_data_clk2),
 175 };
 176
 177
 178 static struct l3_target_data omap4_l3_target_data_clk3[] = {
 179         {0x0100, "DEBUGSS",},
 180 };
 181
 182 static struct l3_flagmux_data omap4_l3_flagmux_clk3 = {
 183         .offset = 0x0200,
 184         .l3_targ = omap4_l3_target_data_clk3,
 185         .num_targ_data = ARRAY_SIZE(omap4_l3_target_data_clk3),
 186 };
 187
 188 static struct l3_masters_data omap_l3_masters[] = {
 189         { 0x00, "MPU"},
 190         { 0x04, "CS_ADP"},
 191         { 0x05, "xxx"},
 192         { 0x08, "DSP"},
 193         { 0x0C, "IVAHD"},
 194         { 0x10, "ISS"},
 195         { 0x11, "DucatiM3"},
 196         { 0x12, "FaceDetect"},
 197         { 0x14, "SDMA_Rd"},
 198         { 0x15, "SDMA_Wr"},
 199         { 0x16, "xxx"},
 200         { 0x17, "xxx"},
 201         { 0x18, "SGX"},
 202         { 0x1C, "DSS"},
 203         { 0x20, "C2C"},
 204         { 0x22, "xxx"},
 205         { 0x23, "xxx"},
 206         { 0x24, "HSI"},
 207         { 0x28, "MMC1"},
 208         { 0x29, "MMC2"},
 209         { 0x2A, "MMC6"},
 210         { 0x2C, "UNIPRO1"},
 211         { 0x30, "USBHOSTHS"},
 212         { 0x31, "USBOTGHS"},
 213         { 0x32, "USBHOSTFS"}
 214 };
 215
 216 static struct l3_flagmux_data *omap4_l3_flagmux[] = {
 217         &omap_l3_flagmux_clk1,
 218         &omap_l3_flagmux_clk2,
 219         &omap4_l3_flagmux_clk3,
 220 };
 221
 222 static const struct omap_l3 omap4_l3_data = {
 223         .l3_flagmux = omap4_l3_flagmux,
 224         .num_modules = ARRAY_SIZE(omap4_l3_flagmux),
 225         .l3_masters = omap_l3_masters,
 226         .num_masters = ARRAY_SIZE(omap_l3_masters),
 227         /* The 6 MSBs of register field used to distinguish initiator */
 228         .mst_addr_mask = 0xFC,
 229 };
 230
 231 /* OMAP5 data */
 232 static struct l3_target_data omap5_l3_target_data_clk3[] = {
 233         {0x0100, "L3INSTR",},
 234         {0x0300, "DEBUGSS",},
 235         {0x0,    "HOSTCLK3",},
 236 };
 237
 238 static struct l3_flagmux_data omap5_l3_flagmux_clk3 = {
 239         .offset = 0x0200,
 240         .l3_targ = omap5_l3_target_data_clk3,
 241         .num_targ_data = ARRAY_SIZE(omap5_l3_target_data_clk3),
 242 };
 243
 244 static struct l3_flagmux_data *omap5_l3_flagmux[] = {
 245         &omap_l3_flagmux_clk1,
 246         &omap_l3_flagmux_clk2,
 247         &omap5_l3_flagmux_clk3,
 248 };
 249
 250 static const struct omap_l3 omap5_l3_data = {
 251         .l3_flagmux = omap5_l3_flagmux,
 252         .num_modules = ARRAY_SIZE(omap5_l3_flagmux),
 253         .l3_masters = omap_l3_masters,
 254         .num_masters = ARRAY_SIZE(omap_l3_masters),
 255         /* The 6 MSBs of register field used to distinguish initiator */
 256         .mst_addr_mask = 0x7E0,
 257 };
 258
 259 /* DRA7 data */
 260 static struct l3_target_data dra_l3_target_data_clk1[] = {
 261         {0x2a00, "AES1",},
 262         {0x0200, "DMM_P1",},
 263         {0x0600, "DSP2_SDMA",},
 264         {0x0b00, "EVE2",},
 265         {0x1300, "DMM_P2",},
 266         {0x2c00, "AES2",},
 267         {0x0300, "DSP1_SDMA",},
 268         {0x0a00, "EVE1",},
 269         {0x0c00, "EVE3",},
 270         {0x0d00, "EVE4",},
 271         {0x2900, "DSS",},
 272         {0x0100, "GPMC",},
 273         {0x3700, "PCIE1",},
 274         {0x1600, "IVA_CONFIG",},
 275         {0x1800, "IVA_SL2IF",},
 276         {0x0500, "L4_CFG",},
 277         {0x1d00, "L4_WKUP",},
 278         {0x3800, "PCIE2",},
 279         {0x3300, "SHA2_1",},
 280         {0x1200, "GPU",},
 281         {0x1000, "IPU1",},
 282         {0x1100, "IPU2",},
 283         {0x2000, "TPCC_EDMA",},
 284         {0x2e00, "TPTC1_EDMA",},
 285         {0x2b00, "TPTC2_EDMA",},
 286         {0x0700, "VCP1",},
 287         {0x2500, "L4_PER2_P3",},
 288         {0x0e00, "L4_PER3_P3",},
 289         {0x2200, "MMU1",},
 290         {0x1400, "PRUSS1",},
 291         {0x1500, "PRUSS2"},
 292         {0x0800, "VCP1",},
 293 };
 294
 295 static struct l3_flagmux_data dra_l3_flagmux_clk1 = {
 296         .offset = 0x803500,
 297         .l3_targ = dra_l3_target_data_clk1,
 298         .num_targ_data = ARRAY_SIZE(dra_l3_target_data_clk1),
 299 };
 300
 301 static struct l3_target_data dra_l3_target_data_clk2[] = {
 302         {0x0,   "HOST CLK1",},
 303         {0x800000, "HOST CLK2",},
 304         {0xdead, L3_TARGET_NOT_SUPPORTED,},
 305         {0x3400, "SHA2_2",},
 306         {0x0900, "BB2D",},
 307         {0xdead, L3_TARGET_NOT_SUPPORTED,},
 308         {0x2100, "L4_PER1_P3",},
 309         {0x1c00, "L4_PER1_P1",},
 310         {0x1f00, "L4_PER1_P2",},
 311         {0x2300, "L4_PER2_P1",},
 312         {0x2400, "L4_PER2_P2",},
 313         {0x2600, "L4_PER3_P1",},
 314         {0x2700, "L4_PER3_P2",},
 315         {0x2f00, "MCASP1",},
 316         {0x3000, "MCASP2",},
 317         {0x3100, "MCASP3",},
 318         {0x2800, "MMU2",},
 319         {0x0f00, "OCMC_RAM1",},
 320         {0x1700, "OCMC_RAM2",},
 321         {0x1900, "OCMC_RAM3",},
 322         {0x1e00, "OCMC_ROM",},
 323         {0x3900, "QSPI",},
 324 };
 325
 326 static struct l3_flagmux_data dra_l3_flagmux_clk2 = {
 327         .offset = 0x803600,
 328         .l3_targ = dra_l3_target_data_clk2,
 329         .num_targ_data = ARRAY_SIZE(dra_l3_target_data_clk2),
 330 };
 331
 332 static struct l3_target_data dra_l3_target_data_clk3[] = {
 333         {0x0100, "L3_INSTR"},
 334         {0x0300, "DEBUGSS_CT_TBR"},
 335         {0x0,    "HOST CLK3"},
 336 };
 337
 338 static struct l3_flagmux_data dra_l3_flagmux_clk3 = {
 339         .offset = 0x200,
 340         .l3_targ = dra_l3_target_data_clk3,
 341         .num_targ_data = ARRAY_SIZE(dra_l3_target_data_clk3),
 342 };
 343
 344 static struct l3_masters_data dra_l3_masters[] = {
 345         { 0x0, "MPU" },
 346         { 0x4, "CS_DAP" },
 347         { 0x5, "IEEE1500_2_OCP" },
 348         { 0x8, "DSP1_MDMA" },
 349         { 0x9, "DSP1_CFG" },
 350         { 0xA, "DSP1_DMA" },
 351         { 0xB, "DSP2_MDMA" },
 352         { 0xC, "DSP2_CFG" },
 353         { 0xD, "DSP2_DMA" },
 354         { 0xE, "IVA" },
 355         { 0x10, "EVE1_P1" },
 356         { 0x11, "EVE2_P1" },
 357         { 0x12, "EVE3_P1" },
 358         { 0x13, "EVE4_P1" },
 359         { 0x14, "PRUSS1 PRU1" },
 360         { 0x15, "PRUSS1 PRU2" },
 361         { 0x16, "PRUSS2 PRU1" },
 362         { 0x17, "PRUSS2 PRU2" },
 363         { 0x18, "IPU1" },
 364         { 0x19, "IPU2" },
 365         { 0x1A, "SDMA" },
 366         { 0x1B, "CDMA" },
 367         { 0x1C, "TC1_EDMA" },
 368         { 0x1D, "TC2_EDMA" },
 369         { 0x20, "DSS" },
 370         { 0x21, "MMU1" },
 371         { 0x22, "PCIE1" },
 372         { 0x23, "MMU2" },
 373         { 0x24, "VIP1" },
 374         { 0x25, "VIP2" },
 375         { 0x26, "VIP3" },
 376         { 0x27, "VPE" },
 377         { 0x28, "GPU_P1" },
 378         { 0x29, "BB2D" },
 379         { 0x29, "GPU_P2" },
 380         { 0x2B, "GMAC_SW" },
 381         { 0x2C, "USB3" },
 382         { 0x2D, "USB2_SS" },
 383         { 0x2E, "USB2_ULPI_SS1" },
 384         { 0x2F, "USB2_ULPI_SS2" },
 385         { 0x30, "CSI2_1" },
 386         { 0x31, "CSI2_2" },
 387         { 0x33, "SATA" },
 388         { 0x34, "EVE1_P2" },
 389         { 0x35, "EVE2_P2" },
 390         { 0x36, "EVE3_P2" },
 391         { 0x37, "EVE4_P2" }
 392 };
 393
 394 static struct l3_flagmux_data *dra_l3_flagmux[] = {
 395         &dra_l3_flagmux_clk1,
 396         &dra_l3_flagmux_clk2,
 397         &dra_l3_flagmux_clk3,
 398 };
 399
 400 static const struct omap_l3 dra_l3_data = {
 401         .l3_base = { [1] = L3_BASE_IS_SUBMODULE },
 402         .l3_flagmux = dra_l3_flagmux,
 403         .num_modules = ARRAY_SIZE(dra_l3_flagmux),
 404         .l3_masters = dra_l3_masters,
 405         .num_masters = ARRAY_SIZE(dra_l3_masters),
 406         /* The 6 MSBs of register field used to distinguish initiator */
 407         .mst_addr_mask = 0xFC,
 408 };
 409
 410 /* AM4372 data */
 411 static struct l3_target_data am4372_l3_target_data_200f[] = {
 412         {0xf00,  "EMIF",},
 413         {0x1200, "DES",},
 414         {0x400,  "OCMCRAM",},
 415         {0x700,  "TPTC0",},
 416         {0x800,  "TPTC1",},
 417         {0x900,  "TPTC2"},
 418         {0xb00,  "TPCC",},
 419         {0xd00,  "DEBUGSS",},
 420         {0xdead, L3_TARGET_NOT_SUPPORTED,},
 421         {0x200,  "SHA",},
 422         {0xc00,  "SGX530",},
 423         {0x500,  "AES0",},
 424         {0xa00,  "L4_FAST",},
 425         {0x300,  "MPUSS_L2_RAM",},
 426         {0x100,  "ICSS",},
 427 };
 428
 429 static struct l3_flagmux_data am4372_l3_flagmux_200f = {
 430         .offset = 0x1000,
 431         .l3_targ = am4372_l3_target_data_200f,
 432         .num_targ_data = ARRAY_SIZE(am4372_l3_target_data_200f),
 433 };
 434
 435 static struct l3_target_data am4372_l3_target_data_100s[] = {
 436         {0x100, "L4_PER_0",},
 437         {0x200, "L4_PER_1",},
 438         {0x300, "L4_PER_2",},
 439         {0x400, "L4_PER_3",},
 440         {0x800, "McASP0",},
 441         {0x900, "McASP1",},
 442         {0xC00, "MMCHS2",},
 443         {0x700, "GPMC",},
 444         {0xD00, "L4_FW",},
 445         {0xdead, L3_TARGET_NOT_SUPPORTED,},
 446         {0x500, "ADCTSC",},
 447         {0xE00, "L4_WKUP",},
 448         {0xA00, "MAG_CARD",},
 449 };
 450
 451 static struct l3_flagmux_data am4372_l3_flagmux_100s = {
 452         .offset = 0x600,
 453         .l3_targ = am4372_l3_target_data_100s,
 454         .num_targ_data = ARRAY_SIZE(am4372_l3_target_data_100s),
 455 };
 456
 457 static struct l3_masters_data am4372_l3_masters[] = {
 458         { 0x0, "M1 (128-bit)"},
 459         { 0x1, "M2 (64-bit)"},
 460         { 0x4, "DAP"},
 461         { 0x5, "P1500"},
 462         { 0xC, "ICSS0"},
 463         { 0xD, "ICSS1"},
 464         { 0x14, "Wakeup Processor"},
 465         { 0x18, "TPTC0 Read"},
 466         { 0x19, "TPTC0 Write"},
 467         { 0x1A, "TPTC1 Read"},
 468         { 0x1B, "TPTC1 Write"},
 469         { 0x1C, "TPTC2 Read"},
 470         { 0x1D, "TPTC2 Write"},
 471         { 0x20, "SGX530"},
 472         { 0x21, "OCP WP Traffic Probe"},
 473         { 0x22, "OCP WP DMA Profiling"},
 474         { 0x23, "OCP WP Event Trace"},
 475         { 0x25, "DSS"},
 476         { 0x28, "Crypto DMA RD"},
 477         { 0x29, "Crypto DMA WR"},
 478         { 0x2C, "VPFE0"},
 479         { 0x2D, "VPFE1"},
 480         { 0x30, "GEMAC"},
 481         { 0x34, "USB0 RD"},
 482         { 0x35, "USB0 WR"},
 483         { 0x36, "USB1 RD"},
 484         { 0x37, "USB1 WR"},
 485 };
 486
 487 static struct l3_flagmux_data *am4372_l3_flagmux[] = {
 488         &am4372_l3_flagmux_200f,
 489         &am4372_l3_flagmux_100s,
 490 };
 491
 492 static const struct omap_l3 am4372_l3_data = {
 493         .l3_flagmux = am4372_l3_flagmux,
 494         .num_modules = ARRAY_SIZE(am4372_l3_flagmux),
 495         .l3_masters = am4372_l3_masters,
 496         .num_masters = ARRAY_SIZE(am4372_l3_masters),
 497         /* All 6 bits of register field used to distinguish initiator */
 498         .mst_addr_mask = 0x3F,
 499 };
 500
 501 #endif  /* __OMAP_L3_NOC_H */