arch/arm/Kconfig.debug

   1 menu "Kernel hacking"
   2
   3 source "lib/Kconfig.debug"
   4
   5 config ARM_PTDUMP
   6         bool "Export kernel pagetable layout to userspace via debugfs"
   7         depends on DEBUG_KERNEL
   8         select DEBUG_FS
   9         ---help---
  10           Say Y here if you want to show the kernel pagetable layout in a
  11           debugfs file. This information is only useful for kernel developers
  12           who are working in architecture specific areas of the kernel.
  13           It is probably not a good idea to enable this feature in a production
  14           kernel.
  15           If in doubt, say "N"
  16
  17 config STRICT_DEVMEM
  18         bool "Filter access to /dev/mem"
  19         depends on MMU
  20         ---help---
  21           If this option is disabled, you allow userspace (root) access to all
  22           of memory, including kernel and userspace memory. Accidental
  23           access to this is obviously disastrous, but specific access can
  24           be used by people debugging the kernel.
  25
  26           If this option is switched on, the /dev/mem file only allows
  27           userspace access to memory mapped peripherals.
  28
  29           If in doubt, say Y.
  30
  31 # RMK wants arm kernels compiled with frame pointers or stack unwinding.
  32 # If you know what you are doing and are willing to live without stack
  33 # traces, you can get a slightly smaller kernel by setting this option to
  34 # n, but then RMK will have to kill you ;).
  35 config FRAME_POINTER
  36         bool
  37         depends on !THUMB2_KERNEL
  38         default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
  39         help
  40           If you say N here, the resulting kernel will be slightly smaller and
  41           faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
  42           when a problem occurs with the kernel, the information that is
  43           reported is severely limited.
  44
  45 config ARM_UNWIND
  46         bool "Enable stack unwinding support (EXPERIMENTAL)"
  47         depends on AEABI
  48         default y
  49         help
  50           This option enables stack unwinding support in the kernel
  51           using the information automatically generated by the
  52           compiler. The resulting kernel image is slightly bigger but
  53           the performance is not affected. Currently, this feature
  54           only works with EABI compilers. If unsure say Y.
  55
  56 config OLD_MCOUNT
  57         bool
  58         depends on FUNCTION_TRACER && FRAME_POINTER
  59         default y
  60
  61 config DEBUG_USER
  62         bool "Verbose user fault messages"
  63         help
  64           When a user program crashes due to an exception, the kernel can
  65           print a brief message explaining what the problem was. This is
  66           sometimes helpful for debugging but serves no purpose on a
  67           production system. Most people should say N here.
  68
  69           In addition, you need to pass user_debug=N on the kernel command
  70           line to enable this feature.  N consists of the sum of:
  71
  72               1 - undefined instruction events
  73               2 - system calls
  74               4 - invalid data aborts
  75               8 - SIGSEGV faults
  76              16 - SIGBUS faults
  77
  78 # These options are only for real kernel hackers who want to get their hands dirty.
  79 config DEBUG_LL
  80         bool "Kernel low-level debugging functions (read help!)"
  81         depends on DEBUG_KERNEL
  82         help
  83           Say Y here to include definitions of printascii, printch, printhex
  84           in the kernel.  This is helpful if you are debugging code that
  85           executes before the console is initialized.
  86
  87           Note that selecting this option will limit the kernel to a single
  88           UART definition, as specified below. Attempting to boot the kernel
  89           image on a different platform *will not work*, so this option should
  90           not be enabled for kernels that are intended to be portable.
  91
  92 choice
  93         prompt "Kernel low-level debugging port"
  94         depends on DEBUG_LL
  95
  96         config DEBUG_ASM9260_UART
  97                 bool "Kernel low-level debugging via asm9260 UART"
  98                 depends on MACH_ASM9260
  99                 help
 100                   Say Y here if you want the debug print routines to direct
 101                   their output to an UART or USART port on asm9260 based
 102                   machines.
 103
 104                     DEBUG_UART_PHYS | DEBUG_UART_VIRT
 105
 106                     0x80000000      | 0xf0000000     | UART0
 107                     0x80004000      | 0xf0004000     | UART1
 108                     0x80008000      | 0xf0008000     | UART2
 109                     0x8000c000      | 0xf000c000     | UART3
 110                     0x80010000      | 0xf0010000     | UART4
 111                     0x80014000      | 0xf0014000     | UART5
 112                     0x80018000      | 0xf0018000     | UART6
 113                     0x8001c000      | 0xf001c000     | UART7
 114                     0x80020000      | 0xf0020000     | UART8
 115                     0x80024000      | 0xf0024000     | UART9
 116
 117         config AT91_DEBUG_LL_DBGU0
 118                 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
 119                 depends on HAVE_AT91_DBGU0
 120
 121         config AT91_DEBUG_LL_DBGU1
 122                 bool "Kernel low-level debugging on 9263 and 9g45"
 123                 depends on HAVE_AT91_DBGU1
 124
 125         config AT91_DEBUG_LL_DBGU2
 126                 bool "Kernel low-level debugging on sama5d4"
 127                 depends on HAVE_AT91_DBGU2
 128
 129         config DEBUG_BCM2835
 130                 bool "Kernel low-level debugging on BCM2835 PL011 UART"
 131                 depends on ARCH_BCM2835
 132                 select DEBUG_UART_PL01X
 133
 134         config DEBUG_BCM_5301X
 135                 bool "Kernel low-level debugging on BCM5301X UART1"
 136                 depends on ARCH_BCM_5301X
 137                 select DEBUG_UART_8250
 138
 139         config DEBUG_BCM_KONA_UART
 140                 bool "Kernel low-level debugging messages via BCM KONA UART"
 141                 depends on ARCH_BCM_MOBILE
 142                 select DEBUG_UART_8250
 143                 help
 144                   Say Y here if you want kernel low-level debugging support
 145                   on Broadcom SoC platforms.
 146                   This low level debug works for Broadcom
 147                   mobile SoCs in the Kona family of chips (e.g. bcm28155,
 148                   bcm11351, etc...)
 149
 150         config DEBUG_BCM63XX
 151                 bool "Kernel low-level debugging on BCM63XX UART"
 152                 depends on ARCH_BCM_63XX
 153                 select DEBUG_UART_BCM63XX
 154
 155         config DEBUG_BERLIN_UART
 156                 bool "Marvell Berlin SoC Debug UART"
 157                 depends on ARCH_BERLIN
 158                 select DEBUG_UART_8250
 159                 help
 160                   Say Y here if you want kernel low-level debugging support
 161                   on Marvell Berlin SoC based platforms.
 162
 163         config DEBUG_BRCMSTB_UART
 164                 bool "Use BRCMSTB UART for low-level debug"
 165                 depends on ARCH_BRCMSTB
 166                 select DEBUG_UART_8250
 167                 help
 168                   Say Y here if you want the debug print routines to direct
 169                   their output to the first serial port on these devices.
 170
 171                   If you have a Broadcom STB chip and would like early print
 172                   messages to appear over the UART, select this option.
 173
 174         config DEBUG_CLPS711X_UART1
 175                 bool "Kernel low-level debugging messages via UART1"
 176                 depends on ARCH_CLPS711X
 177                 help
 178                   Say Y here if you want the debug print routines to direct
 179                   their output to the first serial port on these devices.
 180
 181         config DEBUG_CLPS711X_UART2
 182                 bool "Kernel low-level debugging messages via UART2"
 183                 depends on ARCH_CLPS711X
 184                 help
 185                   Say Y here if you want the debug print routines to direct
 186                   their output to the second serial port on these devices.
 187
 188         config DEBUG_CNS3XXX
 189                 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
 190                 depends on ARCH_CNS3XXX
 191                 select DEBUG_UART_8250
 192                 help
 193                   Say Y here if you want the debug print routines to direct
 194                   their output to the CNS3xxx UART0.
 195
 196         config DEBUG_DAVINCI_DA8XX_UART1
 197                 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
 198                 depends on ARCH_DAVINCI_DA8XX
 199                 select DEBUG_UART_8250
 200                 help
 201                   Say Y here if you want the debug print routines to direct
 202                   their output to UART1 serial port on DaVinci DA8XX devices.
 203
 204         config DEBUG_DAVINCI_DA8XX_UART2
 205                 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
 206                 depends on ARCH_DAVINCI_DA8XX
 207                 select DEBUG_UART_8250
 208                 help
 209                   Say Y here if you want the debug print routines to direct
 210                   their output to UART2 serial port on DaVinci DA8XX devices.
 211
 212         config DEBUG_DAVINCI_DMx_UART0
 213                 bool "Kernel low-level debugging on DaVinci DMx using UART0"
 214                 depends on ARCH_DAVINCI_DMx
 215                 select DEBUG_UART_8250
 216                 help
 217                   Say Y here if you want the debug print routines to direct
 218                   their output to UART0 serial port on DaVinci DMx devices.
 219
 220         config DEBUG_ZYNQ_UART0
 221                 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
 222                 depends on ARCH_ZYNQ
 223                 help
 224                   Say Y here if you want the debug print routines to direct
 225                   their output to UART0 on the Zynq platform.
 226
 227         config DEBUG_ZYNQ_UART1
 228                 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
 229                 depends on ARCH_ZYNQ
 230                 help
 231                   Say Y here if you want the debug print routines to direct
 232                   their output to UART1 on the Zynq platform.
 233
 234                   If you have a ZC702 board and want early boot messages to
 235                   appear on the USB serial adaptor, select this option.
 236
 237         config DEBUG_DC21285_PORT
 238                 bool "Kernel low-level debugging messages via footbridge serial port"
 239                 depends on FOOTBRIDGE
 240                 help
 241                   Say Y here if you want the debug print routines to direct
 242                   their output to the serial port in the DC21285 (Footbridge).
 243
 244         config DEBUG_FOOTBRIDGE_COM1
 245                 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
 246                 depends on FOOTBRIDGE
 247                 help
 248                   Say Y here if you want the debug print routines to direct
 249                   their output to the 8250 at PCI COM1.
 250
 251         config DEBUG_HI3620_UART
 252                 bool "Hisilicon HI3620 Debug UART"
 253                 depends on ARCH_HI3xxx
 254                 select DEBUG_UART_PL01X
 255                 help
 256                   Say Y here if you want kernel low-level debugging support
 257                   on HI3620 UART.
 258
 259         config DEBUG_HI3716_UART
 260                 bool "Hisilicon Hi3716 Debug UART"
 261                 depends on ARCH_HI3xxx
 262                 select DEBUG_UART_PL01X
 263                 help
 264                   Say Y here if you want kernel low-level debugging support
 265                   on HI3716 UART.
 266
 267         config DEBUG_HIGHBANK_UART
 268                 bool "Kernel low-level debugging messages via Highbank UART"
 269                 depends on ARCH_HIGHBANK
 270                 select DEBUG_UART_PL01X
 271                 help
 272                   Say Y here if you want the debug print routines to direct
 273                   their output to the UART on Highbank based devices.
 274
 275         config DEBUG_HIP04_UART
 276                 bool "Hisilicon HiP04 Debug UART"
 277                 depends on ARCH_HIP04
 278                 select DEBUG_UART_8250
 279                 help
 280                   Say Y here if you want kernel low-level debugging support
 281                   on HIP04 UART.
 282
 283         config DEBUG_HIX5HD2_UART
 284                 bool "Hisilicon Hix5hd2 Debug UART"
 285                 depends on ARCH_HIX5HD2
 286                 select DEBUG_UART_PL01X
 287                 help
 288                   Say Y here if you want kernel low-level debugging support
 289                   on Hix5hd2 UART.
 290
 291         config DEBUG_IMX1_UART
 292                 bool "i.MX1 Debug UART"
 293                 depends on SOC_IMX1
 294                 help
 295                   Say Y here if you want kernel low-level debugging support
 296                   on i.MX1.
 297
 298         config DEBUG_IMX23_UART
 299                 bool "i.MX23 Debug UART"
 300                 depends on SOC_IMX23
 301                 select DEBUG_UART_PL01X
 302                 help
 303                   Say Y here if you want kernel low-level debugging support
 304                   on i.MX23.
 305
 306         config DEBUG_IMX25_UART
 307                 bool "i.MX25 Debug UART"
 308                 depends on SOC_IMX25
 309                 help
 310                   Say Y here if you want kernel low-level debugging support
 311                   on i.MX25.
 312
 313         config DEBUG_IMX21_IMX27_UART
 314                 bool "i.MX21 and i.MX27 Debug UART"
 315                 depends on SOC_IMX21 || SOC_IMX27
 316                 help
 317                   Say Y here if you want kernel low-level debugging support
 318                   on i.MX21 or i.MX27.
 319
 320         config DEBUG_IMX28_UART
 321                 bool "i.MX28 Debug UART"
 322                 depends on SOC_IMX28
 323                 select DEBUG_UART_PL01X
 324                 help
 325                   Say Y here if you want kernel low-level debugging support
 326                   on i.MX28.
 327
 328         config DEBUG_IMX31_UART
 329                 bool "i.MX31 Debug UART"
 330                 depends on SOC_IMX31
 331                 help
 332                   Say Y here if you want kernel low-level debugging support
 333                   on i.MX31.
 334
 335         config DEBUG_IMX35_UART
 336                 bool "i.MX35 Debug UART"
 337                 depends on SOC_IMX35
 338                 help
 339                   Say Y here if you want kernel low-level debugging support
 340                   on i.MX35.
 341
 342         config DEBUG_IMX50_UART
 343                 bool "i.MX50 Debug UART"
 344                 depends on SOC_IMX50
 345                 help
 346                   Say Y here if you want kernel low-level debugging support
 347                   on i.MX50.
 348
 349         config DEBUG_IMX51_UART
 350                 bool "i.MX51 Debug UART"
 351                 depends on SOC_IMX51
 352                 help
 353                   Say Y here if you want kernel low-level debugging support
 354                   on i.MX51.
 355
 356         config DEBUG_IMX53_UART
 357                 bool "i.MX53 Debug UART"
 358                 depends on SOC_IMX53
 359                 help
 360                   Say Y here if you want kernel low-level debugging support
 361                   on i.MX53.
 362
 363         config DEBUG_IMX6Q_UART
 364                 bool "i.MX6Q/DL Debug UART"
 365                 depends on SOC_IMX6Q
 366                 help
 367                   Say Y here if you want kernel low-level debugging support
 368                   on i.MX6Q/DL.
 369
 370         config DEBUG_IMX6SL_UART
 371                 bool "i.MX6SL Debug UART"
 372                 depends on SOC_IMX6SL
 373                 help
 374                   Say Y here if you want kernel low-level debugging support
 375                   on i.MX6SL.
 376
 377         config DEBUG_IMX6SX_UART
 378                 bool "i.MX6SX Debug UART"
 379                 depends on SOC_IMX6SX
 380                 help
 381                   Say Y here if you want kernel low-level debugging support
 382                   on i.MX6SX.
 383
 384         config DEBUG_KEYSTONE_UART0
 385                 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
 386                 depends on ARCH_KEYSTONE
 387                 select DEBUG_UART_8250
 388                 help
 389                   Say Y here if you want the debug print routines to direct
 390                   their output to UART0 serial port on KEYSTONE2 devices.
 391
 392         config DEBUG_KEYSTONE_UART1
 393                 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
 394                 depends on ARCH_KEYSTONE
 395                 select DEBUG_UART_8250
 396                 help
 397                   Say Y here if you want the debug print routines to direct
 398                   their output to UART1 serial port on KEYSTONE2 devices.
 399
 400         config DEBUG_KS8695_UART
 401                 bool "KS8695 Debug UART"
 402                 depends on ARCH_KS8695
 403                 help
 404                   Say Y here if you want kernel low-level debugging support
 405                   on KS8695.
 406
 407         config DEBUG_MESON_UARTAO
 408                 bool "Kernel low-level debugging via Meson6 UARTAO"
 409                 depends on ARCH_MESON
 410                 help
 411                   Say Y here if you want kernel low-lever debugging support
 412                   on Amlogic Meson6 based platforms on the UARTAO.
 413
 414         config DEBUG_MMP_UART2
 415                 bool "Kernel low-level debugging message via MMP UART2"
 416                 depends on ARCH_MMP
 417                 select DEBUG_UART_8250
 418                 help
 419                   Say Y here if you want kernel low-level debugging support
 420                   on MMP UART2.
 421
 422         config DEBUG_MMP_UART3
 423                 bool "Kernel low-level debugging message via MMP UART3"
 424                 depends on ARCH_MMP
 425                 select DEBUG_UART_8250
 426                 help
 427                   Say Y here if you want kernel low-level debugging support
 428                   on MMP UART3.
 429
 430         config DEBUG_MSM_UART
 431                 bool "Kernel low-level debugging messages via MSM UART"
 432                 depends on ARCH_MSM
 433                 help
 434                   Say Y here if you want the debug print routines to direct
 435                   their output to the serial port on MSM devices.
 436
 437                   ARCH                DEBUG_UART_PHYS   DEBUG_UART_BASE   #
 438                   MSM7X00A, QSD8X50   0xa9a00000        0xe1000000        UART1
 439                   MSM7X00A, QSD8X50   0xa9b00000        0xe1000000        UART2
 440                   MSM7X00A, QSD8X50   0xa9c00000        0xe1000000        UART3
 441
 442                   MSM7X30             0xaca00000        0xe1000000        UART1
 443                   MSM7X30             0xacb00000        0xe1000000        UART2
 444                   MSM7X30             0xacc00000        0xe1000000        UART3
 445
 446                   Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
 447                   options based on your needs.
 448
 449         config DEBUG_QCOM_UARTDM
 450                 bool "Kernel low-level debugging messages via QCOM UARTDM"
 451                 depends on ARCH_QCOM
 452                 help
 453                   Say Y here if you want the debug print routines to direct
 454                   their output to the serial port on Qualcomm devices.
 455
 456                   ARCH      DEBUG_UART_PHYS   DEBUG_UART_BASE
 457                   APQ8084   0xf995e000        0xfa75e000
 458                   MSM8X60   0x19c40000        0xf0040000
 459                   MSM8960   0x16440000        0xf0040000
 460                   MSM8974   0xf991e000        0xfa71e000
 461
 462                   Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
 463                   options based on your needs.
 464
 465         config DEBUG_MVEBU_UART
 466                 bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)"
 467                 depends on ARCH_MVEBU
 468                 select DEBUG_UART_8250
 469                 help
 470                   Say Y here if you want kernel low-level debugging support
 471                   on MVEBU based platforms.
 472
 473                   This option should be used with the old bootloaders
 474                   that left the internal registers mapped at
 475                   0xd0000000. As of today, this is the case on
 476                   platforms such as the Globalscale Mirabox or the
 477                   Plathome OpenBlocks AX3, when using the original
 478                   bootloader.
 479
 480                   If the wrong DEBUG_MVEBU_UART* option is selected,
 481                   when u-boot hands over to the kernel, the system
 482                   silently crashes, with no serial output at all.
 483
 484         config DEBUG_MVEBU_UART_ALTERNATE
 485                 bool "Kernel low-level debugging messages via MVEBU UART (new bootloaders)"
 486                 depends on ARCH_MVEBU
 487                 select DEBUG_UART_8250
 488                 help
 489                   Say Y here if you want kernel low-level debugging support
 490                   on MVEBU based platforms.
 491
 492                   This option should be used with the new bootloaders
 493                   that remap the internal registers at 0xf1000000.
 494
 495                   If the wrong DEBUG_MVEBU_UART* option is selected,
 496                   when u-boot hands over to the kernel, the system
 497                   silently crashes, with no serial output at all.
 498
 499         config DEBUG_VF_UART
 500                 bool "Vybrid UART"
 501                 depends on SOC_VF610
 502                 help
 503                   Say Y here if you want kernel low-level debugging support
 504                   on Vybrid based platforms.
 505
 506         config DEBUG_NETX_UART
 507                 bool "Kernel low-level debugging messages via NetX UART"
 508                 depends on ARCH_NETX
 509                 help
 510                   Say Y here if you want kernel low-level debugging support
 511                   on Hilscher NetX based platforms.
 512
 513         config DEBUG_NOMADIK_UART
 514                 bool "Kernel low-level debugging messages via NOMADIK UART"
 515                 depends on ARCH_NOMADIK
 516                 select DEBUG_UART_PL01X
 517                 help
 518                   Say Y here if you want kernel low-level debugging support
 519                   on NOMADIK based platforms.
 520
 521         config DEBUG_NSPIRE_CLASSIC_UART
 522                 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
 523                 depends on ARCH_NSPIRE
 524                 select DEBUG_UART_8250
 525                 help
 526                   Say Y here if you want kernel low-level debugging support
 527                   on TI-NSPIRE classic models.
 528
 529         config DEBUG_NSPIRE_CX_UART
 530                 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
 531                 depends on ARCH_NSPIRE
 532                 select DEBUG_UART_PL01X
 533                 help
 534                   Say Y here if you want kernel low-level debugging support
 535                   on TI-NSPIRE CX models.
 536
 537         config DEBUG_OMAP1UART1
 538                 bool "Kernel low-level debugging via OMAP1 UART1"
 539                 depends on ARCH_OMAP1
 540                 select DEBUG_UART_8250
 541                 help
 542                   Say Y here if you want kernel low-level debugging support
 543                   on OMAP1 based platforms (except OMAP730) on the UART1.
 544
 545         config DEBUG_OMAP1UART2
 546                 bool "Kernel low-level debugging via OMAP1 UART2"
 547                 depends on ARCH_OMAP1
 548                 select DEBUG_UART_8250
 549                 help
 550                   Say Y here if you want kernel low-level debugging support
 551                   on OMAP1 based platforms (except OMAP730) on the UART2.
 552
 553         config DEBUG_OMAP1UART3
 554                 bool "Kernel low-level debugging via OMAP1 UART3"
 555                 depends on ARCH_OMAP1
 556                 select DEBUG_UART_8250
 557                 help
 558                   Say Y here if you want kernel low-level debugging support
 559                   on OMAP1 based platforms (except OMAP730) on the UART3.
 560
 561         config DEBUG_OMAP2UART1
 562                 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)"
 563                 depends on ARCH_OMAP2PLUS
 564                 select DEBUG_OMAP2PLUS_UART
 565                 help
 566                   This covers at least h4, 2430sdp, 3430sdp, 3630sdp,
 567                   omap3 torpedo and 3530 lv som.
 568
 569         config DEBUG_OMAP2UART2
 570                 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
 571                 depends on ARCH_OMAP2PLUS
 572                 select DEBUG_OMAP2PLUS_UART
 573
 574         config DEBUG_OMAP2UART3
 575                 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
 576                 depends on ARCH_OMAP2PLUS
 577                 select DEBUG_OMAP2PLUS_UART
 578
 579         config DEBUG_OMAP3UART3
 580                 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
 581                 depends on ARCH_OMAP2PLUS
 582                 select DEBUG_OMAP2PLUS_UART
 583                 help
 584                   This covers at least cm_t3x, beagle, crane, devkit8000,
 585                   igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
 586                   and 3517evm.
 587
 588         config DEBUG_OMAP4UART3
 589                 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
 590                 depends on ARCH_OMAP2PLUS
 591                 select DEBUG_OMAP2PLUS_UART
 592
 593         config DEBUG_OMAP3UART4
 594                 bool "Kernel low-level debugging messages via OMAP36XX UART4"
 595                 depends on ARCH_OMAP2PLUS
 596                 select DEBUG_OMAP2PLUS_UART
 597
 598         config DEBUG_OMAP4UART4
 599                 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
 600                 depends on ARCH_OMAP2PLUS
 601                 select DEBUG_OMAP2PLUS_UART
 602
 603         config DEBUG_OMAP7XXUART1
 604                 bool "Kernel low-level debugging via OMAP730 UART1"
 605                 depends on ARCH_OMAP730
 606                 select DEBUG_UART_8250
 607                 help
 608                   Say Y here if you want kernel low-level debugging support
 609                   on OMAP730 based platforms on the UART1.
 610
 611         config DEBUG_OMAP7XXUART2
 612                 bool "Kernel low-level debugging via OMAP730 UART2"
 613                 depends on ARCH_OMAP730
 614                 select DEBUG_UART_8250
 615                 help
 616                   Say Y here if you want kernel low-level debugging support
 617                   on OMAP730 based platforms on the UART2.
 618
 619         config DEBUG_OMAP7XXUART3
 620                 bool "Kernel low-level debugging via OMAP730 UART3"
 621                 depends on ARCH_OMAP730
 622                 select DEBUG_UART_8250
 623                 help
 624                   Say Y here if you want kernel low-level debugging support
 625                   on OMAP730 based platforms on the UART3.
 626
 627         config DEBUG_TI81XXUART1
 628                 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
 629                 depends on ARCH_OMAP2PLUS
 630                 select DEBUG_OMAP2PLUS_UART
 631
 632         config DEBUG_TI81XXUART2
 633                 bool "Kernel low-level debugging messages via TI81XX UART2"
 634                 depends on ARCH_OMAP2PLUS
 635                 select DEBUG_OMAP2PLUS_UART
 636
 637         config DEBUG_TI81XXUART3
 638                 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
 639                 depends on ARCH_OMAP2PLUS
 640                 select DEBUG_OMAP2PLUS_UART
 641
 642         config DEBUG_AM33XXUART1
 643                 bool "Kernel low-level debugging messages via AM33XX UART1"
 644                 depends on ARCH_OMAP2PLUS
 645                 select DEBUG_OMAP2PLUS_UART
 646
 647         config DEBUG_ZOOM_UART
 648                 bool "Kernel low-level debugging messages via Zoom2/3 UART"
 649                 depends on ARCH_OMAP2PLUS
 650                 select DEBUG_OMAP2PLUS_UART
 651
 652         config DEBUG_PICOXCELL_UART
 653                 depends on ARCH_PICOXCELL
 654                 bool "Use PicoXcell UART for low-level debug"
 655                 select DEBUG_UART_8250
 656                 help
 657                   Say Y here if you want kernel low-level debugging support
 658                   on PicoXcell based platforms.
 659
 660         config DEBUG_PXA_UART1
 661                 depends on ARCH_PXA
 662                 bool "Use PXA UART1 for low-level debug"
 663                 select DEBUG_UART_8250
 664                 help
 665                   Say Y here if you want kernel low-level debugging support
 666                   on PXA UART1.
 667
 668         config DEBUG_REALVIEW_STD_PORT
 669                 bool "RealView Default UART"
 670                 depends on ARCH_REALVIEW
 671                 select DEBUG_UART_PL01X
 672                 help
 673                   Say Y here if you want the debug print routines to direct
 674                   their output to the serial port on RealView EB, PB11MP, PBA8
 675                   and PBX platforms.
 676
 677         config DEBUG_REALVIEW_PB1176_PORT
 678                 bool "RealView PB1176 UART"
 679                 depends on MACH_REALVIEW_PB1176
 680                 select DEBUG_UART_PL01X
 681                 help
 682                   Say Y here if you want the debug print routines to direct
 683                   their output to the standard serial port on the RealView
 684                   PB1176 platform.
 685
 686         config DEBUG_RK29_UART0
 687                 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
 688                 depends on ARCH_ROCKCHIP
 689                 select DEBUG_UART_8250
 690                 help
 691                   Say Y here if you want kernel low-level debugging support
 692                   on Rockchip based platforms.
 693
 694         config DEBUG_RK29_UART1
 695                 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
 696                 depends on ARCH_ROCKCHIP
 697                 select DEBUG_UART_8250
 698                 help
 699                   Say Y here if you want kernel low-level debugging support
 700                   on Rockchip based platforms.
 701
 702         config DEBUG_RK29_UART2
 703                 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
 704                 depends on ARCH_ROCKCHIP
 705                 select DEBUG_UART_8250
 706                 help
 707                   Say Y here if you want kernel low-level debugging support
 708                   on Rockchip based platforms.
 709
 710         config DEBUG_RK3X_UART0
 711                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
 712                 depends on ARCH_ROCKCHIP
 713                 select DEBUG_UART_8250
 714                 help
 715                   Say Y here if you want kernel low-level debugging support
 716                   on Rockchip based platforms.
 717
 718         config DEBUG_RK3X_UART1
 719                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
 720                 depends on ARCH_ROCKCHIP
 721                 select DEBUG_UART_8250
 722                 help
 723                   Say Y here if you want kernel low-level debugging support
 724                   on Rockchip based platforms.
 725
 726         config DEBUG_RK3X_UART2
 727                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
 728                 depends on ARCH_ROCKCHIP
 729                 select DEBUG_UART_8250
 730                 help
 731                   Say Y here if you want kernel low-level debugging support
 732                   on Rockchip based platforms.
 733
 734         config DEBUG_RK3X_UART3
 735                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
 736                 depends on ARCH_ROCKCHIP
 737                 select DEBUG_UART_8250
 738                 help
 739                   Say Y here if you want kernel low-level debugging support
 740                   on Rockchip based platforms.
 741
 742         config DEBUG_RK32_UART2
 743                 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
 744                 depends on ARCH_ROCKCHIP
 745                 select DEBUG_UART_8250
 746                 help
 747                   Say Y here if you want kernel low-level debugging support
 748                   on Rockchip RK32xx based platforms.
 749
 750         config DEBUG_R7S72100_SCIF2
 751                 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
 752                 depends on ARCH_R7S72100
 753                 help
 754                   Say Y here if you want kernel low-level debugging support
 755                   via SCIF2 on Renesas RZ/A1H (R7S72100).
 756
 757         config DEBUG_RCAR_GEN1_SCIF0
 758                 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
 759                 depends on ARCH_R8A7778
 760                 help
 761                   Say Y here if you want kernel low-level debugging support
 762                   via SCIF0 on Renesas R-Car M1A (R8A7778).
 763
 764         config DEBUG_RCAR_GEN1_SCIF2
 765                 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
 766                 depends on ARCH_R8A7779
 767                 help
 768                   Say Y here if you want kernel low-level debugging support
 769                   via SCIF2 on Renesas R-Car H1 (R8A7779).
 770
 771         config DEBUG_RCAR_GEN2_SCIF0
 772                 bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793)"
 773                 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793
 774                 help
 775                   Say Y here if you want kernel low-level debugging support
 776                   via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), or
 777                   M2-N (R8A7793).
 778
 779         config DEBUG_RCAR_GEN2_SCIF2
 780                 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
 781                 depends on ARCH_R8A7794
 782                 help
 783                   Say Y here if you want kernel low-level debugging support
 784                   via SCIF2 on Renesas R-Car E2 (R8A7794).
 785
 786         config DEBUG_RMOBILE_SCIFA0
 787                 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4/SH7372"
 788                 depends on ARCH_R8A73A4 || ARCH_SH7372
 789                 help
 790                   Say Y here if you want kernel low-level debugging support
 791                   via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4) or SH-Mobile
 792                   AP4 (SH7372).
 793
 794         config DEBUG_RMOBILE_SCIFA1
 795                 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
 796                 depends on ARCH_R8A7740
 797                 help
 798                   Say Y here if you want kernel low-level debugging support
 799                   via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
 800
 801         config DEBUG_RMOBILE_SCIFA4
 802                 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
 803                 depends on ARCH_SH73A0
 804                 help
 805                   Say Y here if you want kernel low-level debugging support
 806                   via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
 807
 808         config DEBUG_S3C_UART0
 809                 depends on PLAT_SAMSUNG
 810                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 811                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 812                 select DEBUG_S5PV210_UART if ARCH_S5PV210
 813                 bool "Use Samsung S3C UART 0 for low-level debug"
 814                 help
 815                   Say Y here if you want the debug print routines to direct
 816                   their output to UART 0. The port must have been initialised
 817                   by the boot-loader before use.
 818
 819         config DEBUG_S3C_UART1
 820                 depends on PLAT_SAMSUNG
 821                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 822                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 823                 select DEBUG_S5PV210_UART if ARCH_S5PV210
 824                 bool "Use Samsung S3C UART 1 for low-level debug"
 825                 help
 826                   Say Y here if you want the debug print routines to direct
 827                   their output to UART 1. The port must have been initialised
 828                   by the boot-loader before use.
 829
 830         config DEBUG_S3C_UART2
 831                 depends on PLAT_SAMSUNG
 832                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 833                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
 834                 select DEBUG_S5PV210_UART if ARCH_S5PV210
 835                 bool "Use Samsung S3C UART 2 for low-level debug"
 836                 help
 837                   Say Y here if you want the debug print routines to direct
 838                   their output to UART 2. The port must have been initialised
 839                   by the boot-loader before use.
 840
 841         config DEBUG_S3C_UART3
 842                 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210)
 843                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 844                 select DEBUG_S5PV210_UART if ARCH_S5PV210
 845                 bool "Use Samsung S3C UART 3 for low-level debug"
 846                 help
 847                   Say Y here if you want the debug print routines to direct
 848                   their output to UART 3. The port must have been initialised
 849                   by the boot-loader before use.
 850
 851         config DEBUG_S3C2410_UART0
 852                 depends on ARCH_S3C24XX
 853                 select DEBUG_S3C2410_UART
 854                 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
 855                 help
 856                   Say Y here if you want the debug print routines to direct
 857                   their output to UART 0. The port must have been initialised
 858                   by the boot-loader before use.
 859
 860         config DEBUG_S3C2410_UART1
 861                 depends on ARCH_S3C24XX
 862                 select DEBUG_S3C2410_UART
 863                 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
 864                 help
 865                   Say Y here if you want the debug print routines to direct
 866                   their output to UART 1. The port must have been initialised
 867                   by the boot-loader before use.
 868
 869         config DEBUG_S3C2410_UART2
 870                 depends on ARCH_S3C24XX
 871                 select DEBUG_S3C2410_UART
 872                 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
 873                 help
 874                   Say Y here if you want the debug print routines to direct
 875                   their output to UART 2. The port must have been initialised
 876                   by the boot-loader before use.
 877
 878         config DEBUG_SA1100
 879                 depends on ARCH_SA1100
 880                 bool "Use SA1100 UARTs for low-level debug"
 881                 help
 882                   Say Y here if you want kernel low-level debugging support
 883                   on SA-11x0 UART ports. The kernel will check for the first
 884                   enabled UART in a sequence 3-1-2.
 885
 886         config DEBUG_SOCFPGA_UART
 887                 depends on ARCH_SOCFPGA
 888                 bool "Use SOCFPGA UART for low-level debug"
 889                 select DEBUG_UART_8250
 890                 help
 891                   Say Y here if you want kernel low-level debugging support
 892                   on SOCFPGA based platforms.
 893
 894         config DEBUG_SUN9I_UART0
 895                 bool "Kernel low-level debugging messages via sun9i UART0"
 896                 depends on MACH_SUN9I
 897                 select DEBUG_UART_8250
 898                 help
 899                   Say Y here if you want kernel low-level debugging support
 900                   on Allwinner A80 based platforms on the UART0.
 901
 902         config DEBUG_SUNXI_UART0
 903                 bool "Kernel low-level debugging messages via sunXi UART0"
 904                 depends on ARCH_SUNXI
 905                 select DEBUG_UART_8250
 906                 help
 907                   Say Y here if you want kernel low-level debugging support
 908                   on Allwinner A1X based platforms on the UART0.
 909
 910         config DEBUG_SUNXI_UART1
 911                 bool "Kernel low-level debugging messages via sunXi UART1"
 912                 depends on ARCH_SUNXI
 913                 select DEBUG_UART_8250
 914                 help
 915                   Say Y here if you want kernel low-level debugging support
 916                   on Allwinner A1X based platforms on the UART1.
 917
 918         config DEBUG_SUNXI_R_UART
 919                 bool "Kernel low-level debugging messages via sunXi R_UART"
 920                 depends on MACH_SUN6I || MACH_SUN8I
 921                 select DEBUG_UART_8250
 922                 help
 923                   Say Y here if you want kernel low-level debugging support
 924                   on Allwinner A31/A23 based platforms on the R_UART.
 925
 926         config TEGRA_DEBUG_UART_AUTO_ODMDATA
 927                 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
 928                 depends on ARCH_TEGRA
 929                 select DEBUG_TEGRA_UART
 930                 help
 931                   Automatically determines which UART to use for low-level
 932                   debug based on the ODMDATA value. This value is part of
 933                   the BCT, and is written to the boot memory device using
 934                   nvflash, or other flashing tool.  When bits 19:18 are 3,
 935                   then bits 17:15 indicate which UART to use; 0/1/2/3/4
 936                   are UART A/B/C/D/E.
 937
 938         config TEGRA_DEBUG_UARTA
 939                 bool "Kernel low-level debugging messages via Tegra UART A"
 940                 depends on ARCH_TEGRA
 941                 select DEBUG_TEGRA_UART
 942                 help
 943                   Say Y here if you want kernel low-level debugging support
 944                   on Tegra based platforms.
 945
 946         config TEGRA_DEBUG_UARTB
 947                 bool "Kernel low-level debugging messages via Tegra UART B"
 948                 depends on ARCH_TEGRA
 949                 select DEBUG_TEGRA_UART
 950                 help
 951                   Say Y here if you want kernel low-level debugging support
 952                   on Tegra based platforms.
 953
 954         config TEGRA_DEBUG_UARTC
 955                 bool "Kernel low-level debugging messages via Tegra UART C"
 956                 depends on ARCH_TEGRA
 957                 select DEBUG_TEGRA_UART
 958                 help
 959                   Say Y here if you want kernel low-level debugging support
 960                   on Tegra based platforms.
 961
 962         config TEGRA_DEBUG_UARTD
 963                 bool "Kernel low-level debugging messages via Tegra UART D"
 964                 depends on ARCH_TEGRA
 965                 select DEBUG_TEGRA_UART
 966                 help
 967                   Say Y here if you want kernel low-level debugging support
 968                   on Tegra based platforms.
 969
 970         config TEGRA_DEBUG_UARTE
 971                 bool "Kernel low-level debugging messages via Tegra UART E"
 972                 depends on ARCH_TEGRA
 973                 select DEBUG_TEGRA_UART
 974                 help
 975                   Say Y here if you want kernel low-level debugging support
 976                   on Tegra based platforms.
 977
 978         config DEBUG_SIRFPRIMA2_UART1
 979                 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
 980                 depends on ARCH_PRIMA2
 981                 help
 982                   Say Y here if you want the debug print routines to direct
 983                   their output to the uart1 port on SiRFprimaII devices.
 984
 985         config DEBUG_SIRFMARCO_UART1
 986                 bool "Kernel low-level debugging messages via SiRFmarco UART1"
 987                 depends on ARCH_MARCO
 988                 help
 989                   Say Y here if you want the debug print routines to direct
 990                   their output to the uart1 port on SiRFmarco devices.
 991
 992         config STIH41X_DEBUG_ASC2
 993                 bool "Use StiH415/416 ASC2 UART for low-level debug"
 994                 depends on ARCH_STI
 995                 select DEBUG_STI_UART
 996                 help
 997                   Say Y here if you want kernel low-level debugging support
 998                   on STiH415/416 based platforms like b2000, which has
 999                   default UART wired up to ASC2.
1000
1001                   If unsure, say N.
1002
1003         config STIH41X_DEBUG_SBC_ASC1
1004                 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1005                 depends on ARCH_STI
1006                 select DEBUG_STI_UART
1007                 help
1008                   Say Y here if you want kernel low-level debugging support
1009                   on STiH415/416 based platforms like b2020. which has
1010                   default UART wired up to SBC ASC1.
1011
1012                   If unsure, say N.
1013
1014         config DEBUG_U300_UART
1015                 bool "Kernel low-level debugging messages via U300 UART0"
1016                 depends on ARCH_U300
1017                 select DEBUG_UART_PL01X
1018                 help
1019                   Say Y here if you want the debug print routines to direct
1020                   their output to the uart port on U300 devices.
1021
1022         config DEBUG_UX500_UART
1023                 depends on ARCH_U8500
1024                 bool "Use Ux500 UART for low-level debug"
1025                 help
1026                   Say Y here if you want kernel low-level debugging support
1027                   on Ux500 based platforms.
1028
1029         config DEBUG_MT6589_UART0
1030                 bool "Mediatek mt6589 UART0"
1031                 depends on ARCH_MEDIATEK
1032                 select DEBUG_UART_8250
1033                 help
1034                   Say Y here if you want kernel low-level debugging support
1035                   for Mediatek mt6589 based platforms on UART0.
1036
1037         config DEBUG_MT8127_UART0
1038                 bool "Mediatek mt8127 UART0"
1039                 depends on ARCH_MEDIATEK
1040                 select DEBUG_UART_8250
1041                 help
1042                   Say Y here if you want kernel low-level debugging support
1043                   for Mediatek mt8127 based platforms on UART0.
1044
1045         config DEBUG_MT8135_UART3
1046                 bool "Mediatek mt8135 UART3"
1047                 depends on ARCH_MEDIATEK
1048                 select DEBUG_UART_8250
1049                 help
1050                   Say Y here if you want kernel low-level debugging support
1051                   for Mediatek mt8135 based platforms on UART3.
1052
1053         config DEBUG_VEXPRESS_UART0_DETECT
1054                 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1055                 depends on ARCH_VEXPRESS && CPU_CP15_MMU
1056                 help
1057                   This option enables a simple heuristic which tries to determine
1058                   the motherboard's memory map variant (original or RS1) and then
1059                   choose the relevant UART0 base address.
1060
1061                   Note that this will only work with standard A-class core tiles,
1062                   and may fail with non-standard SMM or custom software models.
1063
1064         config DEBUG_VEXPRESS_UART0_CA9
1065                 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1066                 depends on ARCH_VEXPRESS
1067                 select DEBUG_UART_PL01X
1068                 help
1069                   This option selects UART0 at 0x10009000. Except for custom models,
1070                   this applies only to the V2P-CA9 tile.
1071
1072         config DEBUG_VEXPRESS_UART0_RS1
1073                 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
1074                 depends on ARCH_VEXPRESS
1075                 select DEBUG_UART_PL01X
1076                 help
1077                   This option selects UART0 at 0x1c090000. This applies to most
1078                   of the tiles using the RS1 memory map, including all new A-class
1079                   core tiles, FPGA-based SMMs and software models.
1080
1081         config DEBUG_VEXPRESS_UART0_CRX
1082                 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1083                 depends on ARCH_VEXPRESS && !MMU
1084                 select DEBUG_UART_PL01X
1085                 help
1086                   This option selects UART0 at 0xb0090000. This is appropriate for
1087                   Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1088
1089         config DEBUG_VT8500_UART0
1090                 bool "Use UART0 on VIA/Wondermedia SoCs"
1091                 depends on ARCH_VT8500
1092                 help
1093                   This option selects UART0 on VIA/Wondermedia System-on-a-chip
1094                   devices, including VT8500, WM8505, WM8650 and WM8850.
1095
1096         config DEBUG_ICEDCC
1097                 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1098                 help
1099                   Say Y here if you want the debug print routines to direct
1100                   their output to the EmbeddedICE macrocell's DCC channel using
1101                   co-processor 14. This is known to work on the ARM9 style ICE
1102                   channel and on the XScale with the PEEDI.
1103
1104                   Note that the system will appear to hang during boot if there
1105                   is nothing connected to read from the DCC.
1106
1107         config DEBUG_SEMIHOSTING
1108                 bool "Kernel low-level debug output via semihosting I/O"
1109                 help
1110                   Semihosting enables code running on an ARM target to use
1111                   the I/O facilities on a host debugger/emulator through a
1112                   simple SVC call. The host debugger or emulator must have
1113                   semihosting enabled for the special svc call to be trapped
1114                   otherwise the kernel will crash.
1115
1116                   This is known to work with OpenOCD, as well as
1117                   ARM's Fast Models, or any other controlling environment
1118                   that implements semihosting.
1119
1120                   For more details about semihosting, please see
1121                   chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
1122
1123         config DEBUG_LL_UART_8250
1124                 bool "Kernel low-level debugging via 8250 UART"
1125                 help
1126                   Say Y here if you wish the debug print routes to direct
1127                   their output to an 8250 UART.  You can use this option
1128                   to provide the parameters for the 8250 UART rather than
1129                   selecting one of the platform specific options above if
1130                   you know the parameters for the port.
1131
1132                   This option is preferred over the platform specific
1133                   options; the platform specific options are deprecated
1134                   and will be soon removed.
1135
1136         config DEBUG_LL_UART_EFM32
1137                 bool "Kernel low-level debugging via efm32 UART"
1138                 depends on ARCH_EFM32
1139                 help
1140                   Say Y here if you want the debug print routines to direct
1141                   their output to an UART or USART port on efm32 based
1142                   machines. Use the following addresses for DEBUG_UART_PHYS:
1143
1144                     0x4000c000 | USART0
1145                     0x4000c400 | USART1
1146                     0x4000c800 | USART2
1147                     0x4000e000 | UART0
1148                     0x4000e400 | UART1
1149
1150         config DEBUG_LL_UART_PL01X
1151                 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1152                 help
1153                   Say Y here if you wish the debug print routes to direct
1154                   their output to a PL01x Primecell UART.  You can use
1155                   this option to provide the parameters for the UART
1156                   rather than selecting one of the platform specific
1157                   options above if you know the parameters for the port.
1158
1159                   This option is preferred over the platform specific
1160                   options; the platform specific options are deprecated
1161                   and will be soon removed.
1162
1163 endchoice
1164
1165 config DEBUG_EXYNOS_UART
1166         bool
1167
1168 config DEBUG_S3C2410_UART
1169         bool
1170         select DEBUG_S3C24XX_UART
1171
1172 config DEBUG_S3C24XX_UART
1173         bool
1174
1175 config DEBUG_S5PV210_UART
1176         bool
1177
1178 config DEBUG_OMAP2PLUS_UART
1179         bool
1180         depends on ARCH_OMAP2PLUS
1181
1182 config DEBUG_IMX_UART_PORT
1183         int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
1184                                                 DEBUG_IMX25_UART || \
1185                                                 DEBUG_IMX21_IMX27_UART || \
1186                                                 DEBUG_IMX31_UART || \
1187                                                 DEBUG_IMX35_UART || \
1188                                                 DEBUG_IMX50_UART || \
1189                                                 DEBUG_IMX51_UART || \
1190                                                 DEBUG_IMX53_UART || \
1191                                                 DEBUG_IMX6Q_UART || \
1192                                                 DEBUG_IMX6SL_UART || \
1193                                                 DEBUG_IMX6SX_UART
1194         default 1
1195         depends on ARCH_MXC
1196         help
1197           Choose UART port on which kernel low-level debug messages
1198           should be output.
1199
1200 config DEBUG_VF_UART_PORT
1201         int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1202         default 1
1203         range 0 3
1204         depends on SOC_VF610
1205         help
1206           Choose UART port on which kernel low-level debug messages
1207           should be output.
1208
1209 config DEBUG_TEGRA_UART
1210         bool
1211         depends on ARCH_TEGRA
1212
1213 config DEBUG_STI_UART
1214         bool
1215         depends on ARCH_STI
1216
1217 config DEBUG_LL_INCLUDE
1218         string
1219         default "debug/sa1100.S" if DEBUG_SA1100
1220         default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
1221         default "debug/asm9260.S" if DEBUG_ASM9260_UART
1222         default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
1223         default "debug/meson.S" if DEBUG_MESON_UARTAO
1224         default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
1225         default "debug/exynos.S" if DEBUG_EXYNOS_UART
1226         default "debug/efm32.S" if DEBUG_LL_UART_EFM32
1227         default "debug/icedcc.S" if DEBUG_ICEDCC
1228         default "debug/imx.S" if DEBUG_IMX1_UART || \
1229                                  DEBUG_IMX25_UART || \
1230                                  DEBUG_IMX21_IMX27_UART || \
1231                                  DEBUG_IMX31_UART || \
1232                                  DEBUG_IMX35_UART || \
1233                                  DEBUG_IMX50_UART || \
1234                                  DEBUG_IMX51_UART || \
1235                                  DEBUG_IMX53_UART ||\
1236                                  DEBUG_IMX6Q_UART || \
1237                                  DEBUG_IMX6SL_UART || \
1238                                  DEBUG_IMX6SX_UART
1239         default "debug/ks8695.S" if DEBUG_KS8695_UART
1240         default "debug/msm.S" if DEBUG_MSM_UART || DEBUG_QCOM_UARTDM
1241         default "debug/netx.S" if DEBUG_NETX_UART
1242         default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
1243         default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1244         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1245         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1246         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1247         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1248         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1249         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1250         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1251         default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART
1252         default "debug/s5pv210.S" if DEBUG_S5PV210_UART
1253         default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
1254         default "debug/sti.S" if DEBUG_STI_UART
1255         default "debug/tegra.S" if DEBUG_TEGRA_UART
1256         default "debug/ux500.S" if DEBUG_UX500_UART
1257         default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
1258         default "debug/vf.S" if DEBUG_VF_UART
1259         default "debug/vt8500.S" if DEBUG_VT8500_UART0
1260         default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
1261         default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX
1262         default "mach/debug-macro.S"
1263
1264 # Compatibility options for PL01x
1265 config DEBUG_UART_PL01X
1266         def_bool ARCH_EP93XX || \
1267                 ARCH_INTEGRATOR || \
1268                 ARCH_SPEAR3XX || \
1269                 ARCH_SPEAR6XX || \
1270                 ARCH_SPEAR13XX || \
1271                 ARCH_VERSATILE
1272
1273 # Compatibility options for 8250
1274 config DEBUG_UART_8250
1275         def_bool ARCH_DOVE || ARCH_EBSA110 || \
1276                 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
1277                 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
1278                 ARCH_IOP33X || ARCH_IXP4XX || \
1279                 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC
1280
1281 # Compatibility options for BCM63xx
1282 config DEBUG_UART_BCM63XX
1283         def_bool ARCH_BCM_63XX
1284
1285 config DEBUG_UART_PHYS
1286         hex "Physical base address of debug UART"
1287         default 0x00100a00 if DEBUG_NETX_UART
1288         default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
1289         default 0x01c28000 if DEBUG_SUNXI_UART0
1290         default 0x01c28400 if DEBUG_SUNXI_UART1
1291         default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
1292         default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
1293         default 0x01f02800 if DEBUG_SUNXI_R_UART
1294         default 0x02530c00 if DEBUG_KEYSTONE_UART0
1295         default 0x02531000 if DEBUG_KEYSTONE_UART1
1296         default 0x03010fe0 if ARCH_RPC
1297         default 0x07000000 if DEBUG_SUN9I_UART0
1298         default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
1299                                 DEBUG_VEXPRESS_UART0_CA9
1300         default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
1301         default 0x10124000 if DEBUG_RK3X_UART0
1302         default 0x10126000 if DEBUG_RK3X_UART1
1303         default 0x101f1000 if ARCH_VERSATILE
1304         default 0x101fb000 if DEBUG_NOMADIK_UART
1305         default 0x11002000 if DEBUG_MT8127_UART0
1306         default 0x11006000 if DEBUG_MT6589_UART0
1307         default 0x11009000 if DEBUG_MT8135_UART3
1308         default 0x16000000 if ARCH_INTEGRATOR
1309         default 0x18000300 if DEBUG_BCM_5301X
1310         default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
1311         default 0x20060000 if DEBUG_RK29_UART0
1312         default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1313         default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1314         default 0x20201000 if DEBUG_BCM2835
1315         default 0x3e000000 if DEBUG_BCM_KONA_UART
1316         default 0x4000e400 if DEBUG_LL_UART_EFM32
1317         default 0x40090000 if ARCH_LPC32XX
1318         default 0x40100000 if DEBUG_PXA_UART1
1319         default 0x42000000 if ARCH_GEMINI
1320         default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1321                                 DEBUG_S3C2410_UART0)
1322         default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1323                                 DEBUG_S3C2410_UART1)
1324         default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1325                                 DEBUG_S3C2410_UART2)
1326         default 0x78000000 if DEBUG_CNS3XXX
1327         default 0x7c0003f8 if FOOTBRIDGE
1328         default 0x80010000 if DEBUG_ASM9260_UART
1329         default 0x80070000 if DEBUG_IMX23_UART
1330         default 0x80074000 if DEBUG_IMX28_UART
1331         default 0x80230000 if DEBUG_PICOXCELL_UART
1332         default 0x808c0000 if ARCH_EP93XX
1333         default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1334         default 0xa9a00000 if DEBUG_MSM_UART
1335         default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
1336         default 0xc0013000 if DEBUG_U300_UART
1337         default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1338         default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1339         default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1340         default 0xd0012000 if DEBUG_MVEBU_UART
1341         default 0xc81004c0 if DEBUG_MESON_UARTAO
1342         default 0xd4017000 if DEBUG_MMP_UART2
1343         default 0xd4018000 if DEBUG_MMP_UART3
1344         default 0xe0000000 if ARCH_SPEAR13XX
1345         default 0xe4007000 if DEBUG_HIP04_UART
1346         default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
1347         default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
1348         default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
1349         default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
1350         default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
1351         default 0xe8008000 if DEBUG_R7S72100_SCIF2
1352         default 0xf0000be0 if ARCH_EBSA110
1353         default 0xf040ab00 if DEBUG_BRCMSTB_UART
1354         default 0xf1012000 if DEBUG_MVEBU_UART_ALTERNATE
1355         default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \
1356                                 ARCH_ORION5X
1357         default 0xf7fc9000 if DEBUG_BERLIN_UART
1358         default 0xf8b00000 if DEBUG_HIX5HD2_UART
1359         default 0xf991e000 if DEBUG_QCOM_UARTDM
1360         default 0xfcb00000 if DEBUG_HI3620_UART
1361         default 0xfe800000 if ARCH_IOP32X
1362         default 0xff690000 if DEBUG_RK32_UART2
1363         default 0xffc02000 if DEBUG_SOCFPGA_UART
1364         default 0xffd82340 if ARCH_IOP13XX
1365         default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
1366         default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
1367         default 0xfff36000 if DEBUG_HIGHBANK_UART
1368         default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1369         default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1370         default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1371         default 0xfffe8600 if DEBUG_UART_BCM63XX
1372         default 0xfffff700 if ARCH_IOP33X
1373         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1374                 DEBUG_LL_UART_EFM32 || \
1375                 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1376                 DEBUG_MSM_UART || DEBUG_NETX_UART || \
1377                 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
1378                 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
1379                 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \
1380                 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
1381                 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
1382                 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART
1383
1384 config DEBUG_UART_VIRT
1385         hex "Virtual base address of debug UART"
1386         default 0xe0000a00 if DEBUG_NETX_UART
1387         default 0xe0010fe0 if ARCH_RPC
1388         default 0xe1000000 if DEBUG_MSM_UART
1389         default 0xf0000be0 if ARCH_EBSA110
1390         default 0xf0010000 if DEBUG_ASM9260_UART
1391         default 0xf01fb000 if DEBUG_NOMADIK_UART
1392         default 0xf0201000 if DEBUG_BCM2835
1393         default 0xf1000300 if DEBUG_BCM_5301X
1394         default 0xf1002000 if DEBUG_MT8127_UART0
1395         default 0xf1006000 if DEBUG_MT6589_UART0
1396         default 0xf1009000 if DEBUG_MT8135_UART3
1397         default 0xf11f1000 if ARCH_VERSATILE
1398         default 0xf1600000 if ARCH_INTEGRATOR
1399         default 0xf1c28000 if DEBUG_SUNXI_UART0
1400         default 0xf1c28400 if DEBUG_SUNXI_UART1
1401         default 0xf1f02800 if DEBUG_SUNXI_R_UART
1402         default 0xf6200000 if DEBUG_PXA_UART1
1403         default 0xf4090000 if ARCH_LPC32XX
1404         default 0xf4200000 if ARCH_GEMINI
1405         default 0xf7000000 if DEBUG_SUN9I_UART0
1406         default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1407                                 DEBUG_S3C2410_UART0)
1408         default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1409                                 DEBUG_S3C2410_UART1)
1410         default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1411                                 DEBUG_S3C2410_UART2)
1412         default 0xf7fc9000 if DEBUG_BERLIN_UART
1413         default 0xf8007000 if DEBUG_HIP04_UART
1414         default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1415         default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1416         default 0xfa71e000 if DEBUG_QCOM_UARTDM
1417         default 0xfb002000 if DEBUG_CNS3XXX
1418         default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1419         default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1420         default 0xfc40ab00 if DEBUG_BRCMSTB_UART
1421         default 0xfcfe8600 if DEBUG_UART_BCM63XX
1422         default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1423         default 0xfd000000 if ARCH_SPEAR13XX
1424         default 0xfd012000 if ARCH_MV78XX0
1425         default 0xfde12000 if ARCH_DOVE
1426         default 0xfe012000 if ARCH_ORION5X
1427         default 0xf31004c0 if DEBUG_MESON_UARTAO
1428         default 0xfe017000 if DEBUG_MMP_UART2
1429         default 0xfe018000 if DEBUG_MMP_UART3
1430         default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1431         default 0xfe230000 if DEBUG_PICOXCELL_UART
1432         default 0xfe300000 if DEBUG_BCM_KONA_UART
1433         default 0xfe800000 if ARCH_IOP32X
1434         default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
1435         default 0xfeb24000 if DEBUG_RK3X_UART0
1436         default 0xfeb26000 if DEBUG_RK3X_UART1
1437         default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1438         default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1439         default 0xfec02000 if DEBUG_SOCFPGA_UART
1440         default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
1441         default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
1442         default 0xfec90000 if DEBUG_RK32_UART2
1443         default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1444         default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
1445         default 0xfed60000 if DEBUG_RK29_UART0
1446         default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1447         default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1448         default 0xfedc0000 if ARCH_EP93XX
1449         default 0xfee003f8 if FOOTBRIDGE
1450         default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1451         default 0xfee82340 if ARCH_IOP13XX
1452         default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1453         default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1454         default 0xfef36000 if DEBUG_HIGHBANK_UART
1455         default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1456         default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1457         default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1458         default 0xfefff700 if ARCH_IOP33X
1459         default 0xff003000 if DEBUG_U300_UART
1460         default DEBUG_UART_PHYS if !MMU
1461         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1462                 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1463                 DEBUG_MSM_UART || DEBUG_NETX_UART || \
1464                 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
1465                 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART
1466
1467 config DEBUG_UART_8250_SHIFT
1468         int "Register offset shift for the 8250 debug UART"
1469         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1470         default 0 if FOOTBRIDGE || ARCH_IOP32X || DEBUG_BCM_5301X || \
1471                 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3
1472         default 2
1473
1474 config DEBUG_UART_8250_WORD
1475         bool "Use 32-bit accesses for 8250 UART"
1476         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1477         depends on DEBUG_UART_8250_SHIFT >= 2
1478         default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
1479                 ARCH_KEYSTONE || \
1480                 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
1481                 DEBUG_DAVINCI_DA8XX_UART2 || \
1482                 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
1483                 DEBUG_BRCMSTB_UART
1484
1485 config DEBUG_UART_8250_FLOW_CONTROL
1486         bool "Enable flow control for 8250 UART"
1487         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1488         default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
1489
1490 config DEBUG_UNCOMPRESS
1491         bool
1492         depends on ARCH_MULTIPLATFORM || ARCH_MSM || PLAT_SAMSUNG
1493         default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1494                      (!DEBUG_TEGRA_UART || !ZBOOT_ROM)
1495         help
1496           This option influences the normal decompressor output for
1497           multiplatform kernels.  Normally, multiplatform kernels disable
1498           decompressor output because it is not possible to know where to
1499           send the decompressor output.
1500
1501           When this option is set, the selected DEBUG_LL output method
1502           will be re-used for normal decompressor output on multiplatform
1503           kernels.
1504
1505
1506 config UNCOMPRESS_INCLUDE
1507         string
1508         default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
1509                                         PLAT_SAMSUNG || ARCH_EFM32
1510         default "mach/uncompress.h"
1511
1512 config EARLY_PRINTK
1513         bool "Early printk"
1514         depends on DEBUG_LL
1515         help
1516           Say Y here if you want to have an early console using the
1517           kernel low-level debugging functions. Add earlyprintk to your
1518           kernel parameters to enable this console.
1519
1520 config ARM_KPROBES_TEST
1521         tristate "Kprobes test module"
1522         depends on KPROBES && MODULES
1523         help
1524           Perform tests of kprobes API and instruction set simulation.
1525
1526 config PID_IN_CONTEXTIDR
1527         bool "Write the current PID to the CONTEXTIDR register"
1528         depends on CPU_COPY_V6
1529         help
1530           Enabling this option causes the kernel to write the current PID to
1531           the PROCID field of the CONTEXTIDR register, at the expense of some
1532           additional instructions during context switch. Say Y here only if you
1533           are planning to use hardware trace tools with this kernel.
1534
1535 config DEBUG_SET_MODULE_RONX
1536         bool "Set loadable kernel module data as NX and text as RO"
1537         depends on MODULES
1538         ---help---
1539           This option helps catch unintended modifications to loadable
1540           kernel module's text and read-only data. It also prevents execution
1541           of module data. Such protection may interfere with run-time code
1542           patching and dynamic kernel tracing - and they might also protect
1543           against certain classes of kernel exploits.
1544           If in doubt, say "N".
1545
1546 menuconfig CORESIGHT
1547         bool "CoreSight Tracing Support"
1548         select ARM_AMBA
1549         help
1550           This framework provides a kernel interface for the CoreSight debug
1551           and trace drivers to register themselves with. It's intended to build
1552           a topological view of the CoreSight components based on a DT
1553           specification and configure the right serie of components when a
1554           trace source gets enabled.
1555
1556 if CORESIGHT
1557 config CORESIGHT_LINKS_AND_SINKS
1558         bool "CoreSight Link and Sink drivers"
1559         help
1560           This enables support for CoreSight link and sink drivers that are
1561           responsible for transporting and collecting the trace data
1562           respectively.  Link and sinks are dynamically aggregated with a trace
1563           entity at run time to form a complete trace path.
1564
1565 config CORESIGHT_LINK_AND_SINK_TMC
1566         bool "Coresight generic TMC driver"
1567         depends on CORESIGHT_LINKS_AND_SINKS
1568         help
1569           This enables support for the Trace Memory Controller driver.  Depending
1570           on its configuration the device can act as a link (embedded trace router
1571           - ETR) or sink (embedded trace FIFO).  The driver complies with the
1572           generic implementation of the component without special enhancement or
1573           added features.
1574
1575 config CORESIGHT_SINK_TPIU
1576         bool "Coresight generic TPIU driver"
1577         depends on CORESIGHT_LINKS_AND_SINKS
1578         help
1579           This enables support for the Trace Port Interface Unit driver, responsible
1580           for bridging the gap between the on-chip coresight components and a trace
1581           port collection engine, typically connected to an external host for use
1582           case capturing more traces than the on-board coresight memory can handle.
1583
1584 config CORESIGHT_SINK_ETBV10
1585         bool "Coresight ETBv1.0 driver"
1586         depends on CORESIGHT_LINKS_AND_SINKS
1587         help
1588           This enables support for the Embedded Trace Buffer version 1.0 driver
1589           that complies with the generic implementation of the component without
1590           special enhancement or added features.
1591
1592 config CORESIGHT_SOURCE_ETM3X
1593         bool "CoreSight Embedded Trace Macrocell 3.x driver"
1594         select CORESIGHT_LINKS_AND_SINKS
1595         help
1596           This driver provides support for processor ETM3.x and PTM1.x modules,
1597           which allows tracing the instructions that a processor is executing
1598           This is primarily useful for instruction level tracing.  Depending
1599           the ETM version data tracing may also be available.
1600 endif
1601 endmenu