drivers/bus/omap_l3_smx.h

   1 /*
   2  * OMAP3XXX L3 Interconnect Driver header
   3  *
   4  * Copyright (C) 2011 Texas Corporation
   5  *      Felipe Balbi <balbi@ti.com>
   6  *      Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  *      sricharan <r.sricharan@ti.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22  * USA
  23  */
  24 #ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
  25 #define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H
  26
  27 /* Register definitions. All 64-bit wide */
  28 #define L3_COMPONENT                    0x000
  29 #define L3_CORE                         0x018
  30 #define L3_AGENT_CONTROL                0x020
  31 #define L3_AGENT_STATUS                 0x028
  32 #define L3_ERROR_LOG                    0x058
  33
  34 #define L3_ERROR_LOG_MULTI              (1 << 31)
  35 #define L3_ERROR_LOG_SECONDARY          (1 << 30)
  36
  37 #define L3_ERROR_LOG_ADDR               0x060
  38
  39 /* Register definitions for Sideband Interconnect */
  40 #define L3_SI_CONTROL                   0x020
  41 #define L3_SI_FLAG_STATUS_0             0x510
  42
  43 static const u64 shift = 1;
  44
  45 #define L3_STATUS_0_MPUIA_BRST          (shift << 0)
  46 #define L3_STATUS_0_MPUIA_RSP           (shift << 1)
  47 #define L3_STATUS_0_MPUIA_INBAND        (shift << 2)
  48 #define L3_STATUS_0_IVAIA_BRST          (shift << 6)
  49 #define L3_STATUS_0_IVAIA_RSP           (shift << 7)
  50 #define L3_STATUS_0_IVAIA_INBAND        (shift << 8)
  51 #define L3_STATUS_0_SGXIA_BRST          (shift << 9)
  52 #define L3_STATUS_0_SGXIA_RSP           (shift << 10)
  53 #define L3_STATUS_0_SGXIA_MERROR        (shift << 11)
  54 #define L3_STATUS_0_CAMIA_BRST          (shift << 12)
  55 #define L3_STATUS_0_CAMIA_RSP           (shift << 13)
  56 #define L3_STATUS_0_CAMIA_INBAND        (shift << 14)
  57 #define L3_STATUS_0_DISPIA_BRST         (shift << 15)
  58 #define L3_STATUS_0_DISPIA_RSP          (shift << 16)
  59 #define L3_STATUS_0_DMARDIA_BRST        (shift << 18)
  60 #define L3_STATUS_0_DMARDIA_RSP         (shift << 19)
  61 #define L3_STATUS_0_DMAWRIA_BRST        (shift << 21)
  62 #define L3_STATUS_0_DMAWRIA_RSP         (shift << 22)
  63 #define L3_STATUS_0_USBOTGIA_BRST       (shift << 24)
  64 #define L3_STATUS_0_USBOTGIA_RSP        (shift << 25)
  65 #define L3_STATUS_0_USBOTGIA_INBAND     (shift << 26)
  66 #define L3_STATUS_0_USBHOSTIA_BRST      (shift << 27)
  67 #define L3_STATUS_0_USBHOSTIA_INBAND    (shift << 28)
  68 #define L3_STATUS_0_SMSTA_REQ           (shift << 48)
  69 #define L3_STATUS_0_GPMCTA_REQ          (shift << 49)
  70 #define L3_STATUS_0_OCMRAMTA_REQ        (shift << 50)
  71 #define L3_STATUS_0_OCMROMTA_REQ        (shift << 51)
  72 #define L3_STATUS_0_IVATA_REQ           (shift << 54)
  73 #define L3_STATUS_0_SGXTA_REQ           (shift << 55)
  74 #define L3_STATUS_0_SGXTA_SERROR        (shift << 56)
  75 #define L3_STATUS_0_GPMCTA_SERROR       (shift << 57)
  76 #define L3_STATUS_0_L4CORETA_REQ        (shift << 58)
  77 #define L3_STATUS_0_L4PERTA_REQ         (shift << 59)
  78 #define L3_STATUS_0_L4EMUTA_REQ         (shift << 60)
  79 #define L3_STATUS_0_MAD2DTA_REQ         (shift << 61)
  80
  81 #define L3_STATUS_0_TIMEOUT_MASK        (L3_STATUS_0_MPUIA_BRST         \
  82                                         | L3_STATUS_0_MPUIA_RSP         \
  83                                         | L3_STATUS_0_IVAIA_BRST        \
  84                                         | L3_STATUS_0_IVAIA_RSP         \
  85                                         | L3_STATUS_0_SGXIA_BRST        \
  86                                         | L3_STATUS_0_SGXIA_RSP         \
  87                                         | L3_STATUS_0_CAMIA_BRST        \
  88                                         | L3_STATUS_0_CAMIA_RSP         \
  89                                         | L3_STATUS_0_DISPIA_BRST       \
  90                                         | L3_STATUS_0_DISPIA_RSP        \
  91                                         | L3_STATUS_0_DMARDIA_BRST      \
  92                                         | L3_STATUS_0_DMARDIA_RSP       \
  93                                         | L3_STATUS_0_DMAWRIA_BRST      \
  94                                         | L3_STATUS_0_DMAWRIA_RSP       \
  95                                         | L3_STATUS_0_USBOTGIA_BRST     \
  96                                         | L3_STATUS_0_USBOTGIA_RSP      \
  97                                         | L3_STATUS_0_USBHOSTIA_BRST    \
  98                                         | L3_STATUS_0_SMSTA_REQ         \
  99                                         | L3_STATUS_0_GPMCTA_REQ        \
 100                                         | L3_STATUS_0_OCMRAMTA_REQ      \
 101                                         | L3_STATUS_0_OCMROMTA_REQ      \
 102                                         | L3_STATUS_0_IVATA_REQ         \
 103                                         | L3_STATUS_0_SGXTA_REQ         \
 104                                         | L3_STATUS_0_L4CORETA_REQ      \
 105                                         | L3_STATUS_0_L4PERTA_REQ       \
 106                                         | L3_STATUS_0_L4EMUTA_REQ       \
 107                                         | L3_STATUS_0_MAD2DTA_REQ)
 108
 109 #define L3_SI_FLAG_STATUS_1             0x530
 110
 111 #define L3_STATUS_1_MPU_DATAIA          (1 << 0)
 112 #define L3_STATUS_1_DAPIA0              (1 << 3)
 113 #define L3_STATUS_1_DAPIA1              (1 << 4)
 114 #define L3_STATUS_1_IVAIA               (1 << 6)
 115
 116 #define L3_PM_ERROR_LOG                 0x020
 117 #define L3_PM_CONTROL                   0x028
 118 #define L3_PM_ERROR_CLEAR_SINGLE        0x030
 119 #define L3_PM_ERROR_CLEAR_MULTI         0x038
 120 #define L3_PM_REQ_INFO_PERMISSION(n)    (0x048 + (0x020 * n))
 121 #define L3_PM_READ_PERMISSION(n)        (0x050 + (0x020 * n))
 122 #define L3_PM_WRITE_PERMISSION(n)       (0x058 + (0x020 * n))
 123 #define L3_PM_ADDR_MATCH(n)             (0x060 + (0x020 * n))
 124
 125 /* L3 error log bit fields. Common for IA and TA */
 126 #define L3_ERROR_LOG_CODE               24
 127 #define L3_ERROR_LOG_INITID             8
 128 #define L3_ERROR_LOG_CMD                0
 129
 130 /* L3 agent status bit fields. */
 131 #define L3_AGENT_STATUS_CLEAR_IA        0x10000000
 132 #define L3_AGENT_STATUS_CLEAR_TA        0x01000000
 133
 134 #define OMAP34xx_IRQ_L3_APP             10
 135 #define L3_APPLICATION_ERROR            0x0
 136 #define L3_DEBUG_ERROR                  0x1
 137
 138 enum omap3_l3_initiator_id {
 139         /* LCD has 1 ID */
 140         OMAP_L3_LCD = 29,
 141         /* SAD2D has 1 ID */
 142         OMAP_L3_SAD2D = 28,
 143         /* MPU has 5 IDs */
 144         OMAP_L3_IA_MPU_SS_1 = 27,
 145         OMAP_L3_IA_MPU_SS_2 = 26,
 146         OMAP_L3_IA_MPU_SS_3 = 25,
 147         OMAP_L3_IA_MPU_SS_4 = 24,
 148         OMAP_L3_IA_MPU_SS_5 = 23,
 149         /* IVA2.2 SS has 3 IDs*/
 150         OMAP_L3_IA_IVA_SS_1 = 22,
 151         OMAP_L3_IA_IVA_SS_2 = 21,
 152         OMAP_L3_IA_IVA_SS_3 = 20,
 153         /* IVA 2.2 SS DMA has 6 IDS */
 154         OMAP_L3_IA_IVA_SS_DMA_1 = 19,
 155         OMAP_L3_IA_IVA_SS_DMA_2 = 18,
 156         OMAP_L3_IA_IVA_SS_DMA_3 = 17,
 157         OMAP_L3_IA_IVA_SS_DMA_4 = 16,
 158         OMAP_L3_IA_IVA_SS_DMA_5 = 15,
 159         OMAP_L3_IA_IVA_SS_DMA_6 = 14,
 160         /* SGX has 1 ID */
 161         OMAP_L3_IA_SGX = 13,
 162         /* CAM has 3 ID */
 163         OMAP_L3_IA_CAM_1 = 12,
 164         OMAP_L3_IA_CAM_2 = 11,
 165         OMAP_L3_IA_CAM_3 = 10,
 166         /* DAP has 1 ID */
 167         OMAP_L3_IA_DAP = 9,
 168         /* SDMA WR has 2 IDs */
 169         OMAP_L3_SDMA_WR_1 = 8,
 170         OMAP_L3_SDMA_WR_2 = 7,
 171         /* SDMA RD has 4 IDs */
 172         OMAP_L3_SDMA_RD_1 = 6,
 173         OMAP_L3_SDMA_RD_2 = 5,
 174         OMAP_L3_SDMA_RD_3 = 4,
 175         OMAP_L3_SDMA_RD_4 = 3,
 176         /* HSUSB OTG has 1 ID */
 177         OMAP_L3_USBOTG = 2,
 178         /* HSUSB HOST has 1 ID */
 179         OMAP_L3_USBHOST = 1,
 180 };
 181
 182 enum omap3_l3_code {
 183         OMAP_L3_CODE_NOERROR = 0,
 184         OMAP_L3_CODE_UNSUP_CMD = 1,
 185         OMAP_L3_CODE_ADDR_HOLE = 2,
 186         OMAP_L3_CODE_PROTECT_VIOLATION = 3,
 187         OMAP_L3_CODE_IN_BAND_ERR = 4,
 188         /* codes 5 and 6 are reserved */
 189         OMAP_L3_CODE_REQ_TOUT_NOT_ACCEPT = 7,
 190         OMAP_L3_CODE_REQ_TOUT_NO_RESP = 8,
 191         /* codes 9 - 15 are also reserved */
 192 };
 193
 194 struct omap3_l3 {
 195         struct device *dev;
 196         struct clk *ick;
 197
 198         /* memory base*/
 199         void __iomem *rt;
 200
 201         int debug_irq;
 202         int app_irq;
 203
 204         /* true when and inband functional error occurs */
 205         unsigned inband:1;
 206 };
 207
 208 /* offsets for l3 agents in order with the Flag status register */
 209 static unsigned int omap3_l3_app_bases[] = {
 210         /* MPU IA */
 211         0x1400,
 212         0x1400,
 213         0x1400,
 214         /* RESERVED */
 215         0,
 216         0,
 217         0,
 218         /* IVA 2.2 IA */
 219         0x1800,
 220         0x1800,
 221         0x1800,
 222         /* SGX IA */
 223         0x1c00,
 224         0x1c00,
 225         /* RESERVED */
 226         0,
 227         /* CAMERA IA */
 228         0x5800,
 229         0x5800,
 230         0x5800,
 231         /* DISPLAY IA */
 232         0x5400,
 233         0x5400,
 234         /* RESERVED */
 235         0,
 236         /*SDMA RD IA */
 237         0x4c00,
 238         0x4c00,
 239         /* RESERVED */
 240         0,
 241         /* SDMA WR IA */
 242         0x5000,
 243         0x5000,
 244         /* RESERVED */
 245         0,
 246         /* USB OTG IA */
 247         0x4400,
 248         0x4400,
 249         0x4400,
 250         /* USB HOST IA */
 251         0x4000,
 252         0x4000,
 253         /* RESERVED */
 254         0,
 255         0,
 256         0,
 257         0,
 258         /* SAD2D IA */
 259         0x3000,
 260         0x3000,
 261         0x3000,
 262         /* RESERVED */
 263         0,
 264         0,
 265         0,
 266         0,
 267         0,
 268         0,
 269         0,
 270         0,
 271         0,
 272         0,
 273         0,
 274         0,
 275         /* SMA TA */
 276         0x2000,
 277         /* GPMC TA */
 278         0x2400,
 279         /* OCM RAM TA */
 280         0x2800,
 281         /* OCM ROM TA */
 282         0x2C00,
 283         /* L4 CORE TA */
 284         0x6800,
 285         /* L4 PER TA */
 286         0x6c00,
 287         /* IVA 2.2 TA */
 288         0x6000,
 289         /* SGX TA */
 290         0x6400,
 291         /* L4 EMU TA */
 292         0x7000,
 293         /* GPMC TA */
 294         0x2400,
 295         /* L4 CORE TA */
 296         0x6800,
 297         /* L4 PER TA */
 298         0x6c00,
 299         /* L4 EMU TA */
 300         0x7000,
 301         /* MAD2D TA */
 302         0x3400,
 303         /* RESERVED */
 304         0,
 305         0,
 306 };
 307
 308 static unsigned int omap3_l3_debug_bases[] = {
 309         /* MPU DATA IA */
 310         0x1400,
 311         /* RESERVED */
 312         0,
 313         0,
 314         /* DAP IA */
 315         0x5c00,
 316         0x5c00,
 317         /* RESERVED */
 318         0,
 319         /* IVA 2.2 IA */
 320         0x1800,
 321         /* REST RESERVED */
 322 };
 323
 324 static u32 *omap3_l3_bases[] = {
 325         omap3_l3_app_bases,
 326         omap3_l3_debug_bases,
 327 };
 328
 329 /*
 330  * REVISIT define __raw_readll/__raw_writell here, but move them to
 331  * <asm/io.h> at some point
 332  */
 333 #define __raw_writell(v, a)     (__chk_io_ptr(a), \
 334                                 *(volatile u64 __force *)(a) = (v))
 335 #define __raw_readll(a)         (__chk_io_ptr(a), \
 336                                 *(volatile u64 __force *)(a))
 337
 338 #endif