drivers/bus/omap_l3_smx.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * OMAP3XXX L3 Interconnect Driver header
   4  *
   5  * Copyright (C) 2011 Texas Corporation
   6  *      Felipe Balbi <balbi@ti.com>
   7  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   8  *      sricharan <r.sricharan@ti.com>
   9  */
  10 #ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
  11 #define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
  12
  13 /* Register definitions. All 64-bit wide */
  14 #define L3_COMPONENT                    0x000
  15 #define L3_CORE                         0x018
  16 #define L3_AGENT_CONTROL                0x020
  17 #define L3_AGENT_STATUS                 0x028
  18 #define L3_ERROR_LOG                    0x058
  19
  20 #define L3_ERROR_LOG_MULTI              (1 << 31)
  21 #define L3_ERROR_LOG_SECONDARY          (1 << 30)
  22
  23 #define L3_ERROR_LOG_ADDR               0x060
  24
  25 /* Register definitions for Sideband Interconnect */
  26 #define L3_SI_CONTROL                   0x020
  27 #define L3_SI_FLAG_STATUS_0             0x510
  28
  29 static const u64 shift = 1;
  30
  31 #define L3_STATUS_0_MPUIA_BRST          (shift << 0)
  32 #define L3_STATUS_0_MPUIA_RSP           (shift << 1)
  33 #define L3_STATUS_0_MPUIA_INBAND        (shift << 2)
  34 #define L3_STATUS_0_IVAIA_BRST          (shift << 6)
  35 #define L3_STATUS_0_IVAIA_RSP           (shift << 7)
  36 #define L3_STATUS_0_IVAIA_INBAND        (shift << 8)
  37 #define L3_STATUS_0_SGXIA_BRST          (shift << 9)
  38 #define L3_STATUS_0_SGXIA_RSP           (shift << 10)
  39 #define L3_STATUS_0_SGXIA_MERROR        (shift << 11)
  40 #define L3_STATUS_0_CAMIA_BRST          (shift << 12)
  41 #define L3_STATUS_0_CAMIA_RSP           (shift << 13)
  42 #define L3_STATUS_0_CAMIA_INBAND        (shift << 14)
  43 #define L3_STATUS_0_DISPIA_BRST         (shift << 15)
  44 #define L3_STATUS_0_DISPIA_RSP          (shift << 16)
  45 #define L3_STATUS_0_DMARDIA_BRST        (shift << 18)
  46 #define L3_STATUS_0_DMARDIA_RSP         (shift << 19)
  47 #define L3_STATUS_0_DMAWRIA_BRST        (shift << 21)
  48 #define L3_STATUS_0_DMAWRIA_RSP         (shift << 22)
  49 #define L3_STATUS_0_USBOTGIA_BRST       (shift << 24)
  50 #define L3_STATUS_0_USBOTGIA_RSP        (shift << 25)
  51 #define L3_STATUS_0_USBOTGIA_INBAND     (shift << 26)
  52 #define L3_STATUS_0_USBHOSTIA_BRST      (shift << 27)
  53 #define L3_STATUS_0_USBHOSTIA_INBAND    (shift << 28)
  54 #define L3_STATUS_0_SMSTA_REQ           (shift << 48)
  55 #define L3_STATUS_0_GPMCTA_REQ          (shift << 49)
  56 #define L3_STATUS_0_OCMRAMTA_REQ        (shift << 50)
  57 #define L3_STATUS_0_OCMROMTA_REQ        (shift << 51)
  58 #define L3_STATUS_0_IVATA_REQ           (shift << 54)
  59 #define L3_STATUS_0_SGXTA_REQ           (shift << 55)
  60 #define L3_STATUS_0_SGXTA_SERROR        (shift << 56)
  61 #define L3_STATUS_0_GPMCTA_SERROR       (shift << 57)
  62 #define L3_STATUS_0_L4CORETA_REQ        (shift << 58)
  63 #define L3_STATUS_0_L4PERTA_REQ         (shift << 59)
  64 #define L3_STATUS_0_L4EMUTA_REQ         (shift << 60)
  65 #define L3_STATUS_0_MAD2DTA_REQ         (shift << 61)
  66
  67 #define L3_STATUS_0_TIMEOUT_MASK        (L3_STATUS_0_MPUIA_BRST         \
  68                                         | L3_STATUS_0_MPUIA_RSP         \
  69                                         | L3_STATUS_0_IVAIA_BRST        \
  70                                         | L3_STATUS_0_IVAIA_RSP         \
  71                                         | L3_STATUS_0_SGXIA_BRST        \
  72                                         | L3_STATUS_0_SGXIA_RSP         \
  73                                         | L3_STATUS_0_CAMIA_BRST        \
  74                                         | L3_STATUS_0_CAMIA_RSP         \
  75                                         | L3_STATUS_0_DISPIA_BRST       \
  76                                         | L3_STATUS_0_DISPIA_RSP        \
  77                                         | L3_STATUS_0_DMARDIA_BRST      \
  78                                         | L3_STATUS_0_DMARDIA_RSP       \
  79                                         | L3_STATUS_0_DMAWRIA_BRST      \
  80                                         | L3_STATUS_0_DMAWRIA_RSP       \
  81                                         | L3_STATUS_0_USBOTGIA_BRST     \
  82                                         | L3_STATUS_0_USBOTGIA_RSP      \
  83                                         | L3_STATUS_0_USBHOSTIA_BRST    \
  84                                         | L3_STATUS_0_SMSTA_REQ         \
  85                                         | L3_STATUS_0_GPMCTA_REQ        \
  86                                         | L3_STATUS_0_OCMRAMTA_REQ      \
  87                                         | L3_STATUS_0_OCMROMTA_REQ      \
  88                                         | L3_STATUS_0_IVATA_REQ         \
  89                                         | L3_STATUS_0_SGXTA_REQ         \
  90                                         | L3_STATUS_0_L4CORETA_REQ      \
  91                                         | L3_STATUS_0_L4PERTA_REQ       \
  92                                         | L3_STATUS_0_L4EMUTA_REQ       \
  93                                         | L3_STATUS_0_MAD2DTA_REQ)
  94
  95 #define L3_SI_FLAG_STATUS_1             0x530
  96
  97 #define L3_STATUS_1_MPU_DATAIA          (1 << 0)
  98 #define L3_STATUS_1_DAPIA0              (1 << 3)
  99 #define L3_STATUS_1_DAPIA1              (1 << 4)
 100 #define L3_STATUS_1_IVAIA               (1 << 6)
 101
 102 #define L3_PM_ERROR_LOG                 0x020
 103 #define L3_PM_CONTROL                   0x028
 104 #define L3_PM_ERROR_CLEAR_SINGLE        0x030
 105 #define L3_PM_ERROR_CLEAR_MULTI         0x038
 106 #define L3_PM_REQ_INFO_PERMISSION(n)    (0x048 + (0x020 * n))
 107 #define L3_PM_READ_PERMISSION(n)        (0x050 + (0x020 * n))
 108 #define L3_PM_WRITE_PERMISSION(n)       (0x058 + (0x020 * n))
 109 #define L3_PM_ADDR_MATCH(n)             (0x060 + (0x020 * n))
 110
 111 /* L3 error log bit fields. Common for IA and TA */
 112 #define L3_ERROR_LOG_CODE               24
 113 #define L3_ERROR_LOG_INITID             8
 114 #define L3_ERROR_LOG_CMD                0
 115
 116 /* L3 agent status bit fields. */
 117 #define L3_AGENT_STATUS_CLEAR_IA        0x10000000
 118 #define L3_AGENT_STATUS_CLEAR_TA        0x01000000
 119
 120 #define OMAP34xx_IRQ_L3_APP             10
 121 #define L3_APPLICATION_ERROR            0x0
 122 #define L3_DEBUG_ERROR                  0x1
 123
 124 enum omap3_l3_initiator_id {
 125         /* LCD has 1 ID */
 126         OMAP_L3_LCD = 29,
 127         /* SAD2D has 1 ID */
 128         OMAP_L3_SAD2D = 28,
 129         /* MPU has 5 IDs */
 130         OMAP_L3_IA_MPU_SS_1 = 27,
 131         OMAP_L3_IA_MPU_SS_2 = 26,
 132         OMAP_L3_IA_MPU_SS_3 = 25,
 133         OMAP_L3_IA_MPU_SS_4 = 24,
 134         OMAP_L3_IA_MPU_SS_5 = 23,
 135         /* IVA2.2 SS has 3 IDs*/
 136         OMAP_L3_IA_IVA_SS_1 = 22,
 137         OMAP_L3_IA_IVA_SS_2 = 21,
 138         OMAP_L3_IA_IVA_SS_3 = 20,
 139         /* IVA 2.2 SS DMA has 6 IDS */
 140         OMAP_L3_IA_IVA_SS_DMA_1 = 19,
 141         OMAP_L3_IA_IVA_SS_DMA_2 = 18,
 142         OMAP_L3_IA_IVA_SS_DMA_3 = 17,
 143         OMAP_L3_IA_IVA_SS_DMA_4 = 16,
 144         OMAP_L3_IA_IVA_SS_DMA_5 = 15,
 145         OMAP_L3_IA_IVA_SS_DMA_6 = 14,
 146         /* SGX has 1 ID */
 147         OMAP_L3_IA_SGX = 13,
 148         /* CAM has 3 ID */
 149         OMAP_L3_IA_CAM_1 = 12,
 150         OMAP_L3_IA_CAM_2 = 11,
 151         OMAP_L3_IA_CAM_3 = 10,
 152         /* DAP has 1 ID */
 153         OMAP_L3_IA_DAP = 9,
 154         /* SDMA WR has 2 IDs */
 155         OMAP_L3_SDMA_WR_1 = 8,
 156         OMAP_L3_SDMA_WR_2 = 7,
 157         /* SDMA RD has 4 IDs */
 158         OMAP_L3_SDMA_RD_1 = 6,
 159         OMAP_L3_SDMA_RD_2 = 5,
 160         OMAP_L3_SDMA_RD_3 = 4,
 161         OMAP_L3_SDMA_RD_4 = 3,
 162         /* HSUSB OTG has 1 ID */
 163         OMAP_L3_USBOTG = 2,
 164         /* HSUSB HOST has 1 ID */
 165         OMAP_L3_USBHOST = 1,
 166 };
 167
 168 enum omap3_l3_code {
 169         OMAP_L3_CODE_NOERROR = 0,
 170         OMAP_L3_CODE_UNSUP_CMD = 1,
 171         OMAP_L3_CODE_ADDR_HOLE = 2,
 172         OMAP_L3_CODE_PROTECT_VIOLATION = 3,
 173         OMAP_L3_CODE_IN_BAND_ERR = 4,
 174         /* codes 5 and 6 are reserved */
 175         OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
 176         OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
 177         /* codes 9 - 15 are also reserved */
 178 };
 179
 180 struct omap3_l3 {
 181         struct device *dev;
 182         struct clk *ick;
 183
 184         /* memory base*/
 185         void __iomem *rt;
 186
 187         int debug_irq;
 188         int app_irq;
 189
 190         /* true when and inband functional error occurs */
 191         unsigned inband:1;
 192 };
 193
 194 /* offsets for l3 agents in order with the Flag status register */
 195 static unsigned int omap3_l3_app_bases[] = {
 196         /* MPU IA */
 197         0x1400,
 198         0x1400,
 199         0x1400,
 200         /* RESERVED */
 201         0,
 202         0,
 203         0,
 204         /* IVA 2.2 IA */
 205         0x1800,
 206         0x1800,
 207         0x1800,
 208         /* SGX IA */
 209         0x1c00,
 210         0x1c00,
 211         /* RESERVED */
 212         0,
 213         /* CAMERA IA */
 214         0x5800,
 215         0x5800,
 216         0x5800,
 217         /* DISPLAY IA */
 218         0x5400,
 219         0x5400,
 220         /* RESERVED */
 221         0,
 222         /*SDMA RD IA */
 223         0x4c00,
 224         0x4c00,
 225         /* RESERVED */
 226         0,
 227         /* SDMA WR IA */
 228         0x5000,
 229         0x5000,
 230         /* RESERVED */
 231         0,
 232         /* USB OTG IA */
 233         0x4400,
 234         0x4400,
 235         0x4400,
 236         /* USB HOST IA */
 237         0x4000,
 238         0x4000,
 239         /* RESERVED */
 240         0,
 241         0,
 242         0,
 243         0,
 244         /* SAD2D IA */
 245         0x3000,
 246         0x3000,
 247         0x3000,
 248         /* RESERVED */
 249         0,
 250         0,
 251         0,
 252         0,
 253         0,
 254         0,
 255         0,
 256         0,
 257         0,
 258         0,
 259         0,
 260         0,
 261         /* SMA TA */
 262         0x2000,
 263         /* GPMC TA */
 264         0x2400,
 265         /* OCM RAM TA */
 266         0x2800,
 267         /* OCM ROM TA */
 268         0x2C00,
 269         /* L4 CORE TA */
 270         0x6800,
 271         /* L4 PER TA */
 272         0x6c00,
 273         /* IVA 2.2 TA */
 274         0x6000,
 275         /* SGX TA */
 276         0x6400,
 277         /* L4 EMU TA */
 278         0x7000,
 279         /* GPMC TA */
 280         0x2400,
 281         /* L4 CORE TA */
 282         0x6800,
 283         /* L4 PER TA */
 284         0x6c00,
 285         /* L4 EMU TA */
 286         0x7000,
 287         /* MAD2D TA */
 288         0x3400,
 289         /* RESERVED */
 290         0,
 291         0,
 292 };
 293
 294 static unsigned int omap3_l3_debug_bases[] = {
 295         /* MPU DATA IA */
 296         0x1400,
 297         /* RESERVED */
 298         0,
 299         0,
 300         /* DAP IA */
 301         0x5c00,
 302         0x5c00,
 303         /* RESERVED */
 304         0,
 305         /* IVA 2.2 IA */
 306         0x1800,
 307         /* REST RESERVED */
 308 };
 309
 310 static u32 *omap3_l3_bases[] = {
 311         omap3_l3_app_bases,
 312         omap3_l3_debug_bases,
 313 };
 314
 315 /*
 316  * REVISIT define __raw_readll/__raw_writell here, but move them to
 317  * <asm/io.h> at some point
 318  */
 319 #define __raw_writell(v, a)     (__chk_io_ptr(a), \
 320                                 *(volatile u64 __force *)(a) = (v))
 321 #define __raw_readll(a)         (__chk_io_ptr(a), \
 322                                 *(volatile u64 __force *)(a))
 323
 324 #endif