arch/arm/Kconfig.debug

   1 menu "Kernel hacking"
   2
   3 source "lib/Kconfig.debug"
   4
   5 config STRICT_DEVMEM
   6         bool "Filter access to /dev/mem"
   7         depends on MMU
   8         ---help---
   9           If this option is disabled, you allow userspace (root) access to all
  10           of memory, including kernel and userspace memory. Accidental
  11           access to this is obviously disastrous, but specific access can
  12           be used by people debugging the kernel.
  13
  14           If this option is switched on, the /dev/mem file only allows
  15           userspace access to memory mapped peripherals.
  16
  17           If in doubt, say Y.
  18
  19 # RMK wants arm kernels compiled with frame pointers or stack unwinding.
  20 # If you know what you are doing and are willing to live without stack
  21 # traces, you can get a slightly smaller kernel by setting this option to
  22 # n, but then RMK will have to kill you ;).
  23 config FRAME_POINTER
  24         bool
  25         depends on !THUMB2_KERNEL
  26         default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
  27         help
  28           If you say N here, the resulting kernel will be slightly smaller and
  29           faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
  30           when a problem occurs with the kernel, the information that is
  31           reported is severely limited.
  32
  33 config ARM_UNWIND
  34         bool "Enable stack unwinding support (EXPERIMENTAL)"
  35         depends on AEABI
  36         default y
  37         help
  38           This option enables stack unwinding support in the kernel
  39           using the information automatically generated by the
  40           compiler. The resulting kernel image is slightly bigger but
  41           the performance is not affected. Currently, this feature
  42           only works with EABI compilers. If unsure say Y.
  43
  44 config OLD_MCOUNT
  45         bool
  46         depends on FUNCTION_TRACER && FRAME_POINTER
  47         default y
  48
  49 config DEBUG_USER
  50         bool "Verbose user fault messages"
  51         help
  52           When a user program crashes due to an exception, the kernel can
  53           print a brief message explaining what the problem was. This is
  54           sometimes helpful for debugging but serves no purpose on a
  55           production system. Most people should say N here.
  56
  57           In addition, you need to pass user_debug=N on the kernel command
  58           line to enable this feature.  N consists of the sum of:
  59
  60               1 - undefined instruction events
  61               2 - system calls
  62               4 - invalid data aborts
  63               8 - SIGSEGV faults
  64              16 - SIGBUS faults
  65
  66 # These options are only for real kernel hackers who want to get their hands dirty.
  67 config DEBUG_LL
  68         bool "Kernel low-level debugging functions (read help!)"
  69         depends on DEBUG_KERNEL
  70         help
  71           Say Y here to include definitions of printascii, printch, printhex
  72           in the kernel.  This is helpful if you are debugging code that
  73           executes before the console is initialized.
  74
  75           Note that selecting this option will limit the kernel to a single
  76           UART definition, as specified below. Attempting to boot the kernel
  77           image on a different platform *will not work*, so this option should
  78           not be enabled for kernels that are intended to be portable.
  79
  80 choice
  81         prompt "Kernel low-level debugging port"
  82         depends on DEBUG_LL
  83
  84         config AT91_DEBUG_LL_DBGU0
  85                 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
  86                 depends on HAVE_AT91_DBGU0
  87
  88         config AT91_DEBUG_LL_DBGU1
  89                 bool "Kernel low-level debugging on 9263 and 9g45"
  90                 depends on HAVE_AT91_DBGU1
  91
  92         config DEBUG_BCM2835
  93                 bool "Kernel low-level debugging on BCM2835 PL011 UART"
  94                 depends on ARCH_BCM2835
  95                 select DEBUG_UART_PL01X
  96
  97         config DEBUG_CLPS711X_UART1
  98                 bool "Kernel low-level debugging messages via UART1"
  99                 depends on ARCH_CLPS711X
 100                 help
 101                   Say Y here if you want the debug print routines to direct
 102                   their output to the first serial port on these devices.
 103
 104         config DEBUG_CLPS711X_UART2
 105                 bool "Kernel low-level debugging messages via UART2"
 106                 depends on ARCH_CLPS711X
 107                 help
 108                   Say Y here if you want the debug print routines to direct
 109                   their output to the second serial port on these devices.
 110
 111         config DEBUG_CNS3XXX
 112                 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
 113                 depends on ARCH_CNS3XXX
 114                 select DEBUG_UART_PL01X
 115                 help
 116                   Say Y here if you want the debug print routines to direct
 117                   their output to the CNS3xxx UART0.
 118
 119         config DEBUG_DAVINCI_DA8XX_UART1
 120                 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
 121                 depends on ARCH_DAVINCI_DA8XX
 122                 select DEBUG_UART_8250
 123                 help
 124                   Say Y here if you want the debug print routines to direct
 125                   their output to UART1 serial port on DaVinci DA8XX devices.
 126
 127         config DEBUG_DAVINCI_DA8XX_UART2
 128                 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
 129                 depends on ARCH_DAVINCI_DA8XX
 130                 select DEBUG_UART_8250
 131                 help
 132                   Say Y here if you want the debug print routines to direct
 133                   their output to UART2 serial port on DaVinci DA8XX devices.
 134
 135         config DEBUG_DAVINCI_DMx_UART0
 136                 bool "Kernel low-level debugging on DaVinci DMx using UART0"
 137                 depends on ARCH_DAVINCI_DMx
 138                 select DEBUG_UART_8250
 139                 help
 140                   Say Y here if you want the debug print routines to direct
 141                   their output to UART0 serial port on DaVinci DMx devices.
 142
 143         config DEBUG_DAVINCI_TNETV107X_UART1
 144                 bool "Kernel low-level debugging on DaVinci TNETV107x using UART1"
 145                 depends on ARCH_DAVINCI_TNETV107X
 146                 select DEBUG_UART_8250
 147                 help
 148                   Say Y here if you want the debug print routines to direct
 149                   their output to UART1 serial port on DaVinci TNETV107X
 150                   devices.
 151
 152         config DEBUG_ZYNQ_UART0
 153                 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
 154                 depends on ARCH_ZYNQ
 155                 help
 156                   Say Y here if you want the debug print routines to direct
 157                   their output to UART0 on the Zynq platform.
 158
 159         config DEBUG_ZYNQ_UART1
 160                 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
 161                 depends on ARCH_ZYNQ
 162                 help
 163                   Say Y here if you want the debug print routines to direct
 164                   their output to UART1 on the Zynq platform.
 165
 166                   If you have a ZC702 board and want early boot messages to
 167                   appear on the USB serial adaptor, select this option.
 168
 169         config DEBUG_DC21285_PORT
 170                 bool "Kernel low-level debugging messages via footbridge serial port"
 171                 depends on FOOTBRIDGE
 172                 help
 173                   Say Y here if you want the debug print routines to direct
 174                   their output to the serial port in the DC21285 (Footbridge).
 175
 176         config DEBUG_FOOTBRIDGE_COM1
 177                 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
 178                 depends on FOOTBRIDGE
 179                 help
 180                   Say Y here if you want the debug print routines to direct
 181                   their output to the 8250 at PCI COM1.
 182
 183         config DEBUG_HI3620_UART
 184                 bool "Hisilicon HI3620 Debug UART"
 185                 depends on ARCH_HI3xxx
 186                 select DEBUG_UART_PL01X
 187                 help
 188                   Say Y here if you want kernel low-level debugging support
 189                   on HI3620 UART.
 190
 191         config DEBUG_HI3716_UART
 192                 bool "Hisilicon Hi3716 Debug UART"
 193                 depends on ARCH_HI3xxx
 194                 select DEBUG_UART_PL01X
 195                 help
 196                   Say Y here if you want kernel low-level debugging support
 197                   on HI3716 UART.
 198
 199         config DEBUG_HIGHBANK_UART
 200                 bool "Kernel low-level debugging messages via Highbank UART"
 201                 depends on ARCH_HIGHBANK
 202                 select DEBUG_UART_PL01X
 203                 help
 204                   Say Y here if you want the debug print routines to direct
 205                   their output to the UART on Highbank based devices.
 206
 207         config DEBUG_IMX1_UART
 208                 bool "i.MX1 Debug UART"
 209                 depends on SOC_IMX1
 210                 help
 211                   Say Y here if you want kernel low-level debugging support
 212                   on i.MX1.
 213
 214         config DEBUG_IMX23_UART
 215                 bool "i.MX23 Debug UART"
 216                 depends on SOC_IMX23
 217                 select DEBUG_UART_PL01X
 218                 help
 219                   Say Y here if you want kernel low-level debugging support
 220                   on i.MX23.
 221
 222         config DEBUG_IMX25_UART
 223                 bool "i.MX25 Debug UART"
 224                 depends on SOC_IMX25
 225                 help
 226                   Say Y here if you want kernel low-level debugging support
 227                   on i.MX25.
 228
 229         config DEBUG_IMX21_IMX27_UART
 230                 bool "i.MX21 and i.MX27 Debug UART"
 231                 depends on SOC_IMX21 || SOC_IMX27
 232                 help
 233                   Say Y here if you want kernel low-level debugging support
 234                   on i.MX21 or i.MX27.
 235
 236         config DEBUG_IMX28_UART
 237                 bool "i.MX28 Debug UART"
 238                 depends on SOC_IMX28
 239                 select DEBUG_UART_PL01X
 240                 help
 241                   Say Y here if you want kernel low-level debugging support
 242                   on i.MX28.
 243
 244         config DEBUG_IMX31_UART
 245                 bool "i.MX31 Debug UART"
 246                 depends on SOC_IMX31
 247                 help
 248                   Say Y here if you want kernel low-level debugging support
 249                   on i.MX31.
 250
 251         config DEBUG_IMX35_UART
 252                 bool "i.MX35 Debug UART"
 253                 depends on SOC_IMX35
 254                 help
 255                   Say Y here if you want kernel low-level debugging support
 256                   on i.MX35.
 257
 258         config DEBUG_IMX51_UART
 259                 bool "i.MX51 Debug UART"
 260                 depends on SOC_IMX51
 261                 help
 262                   Say Y here if you want kernel low-level debugging support
 263                   on i.MX51.
 264
 265         config DEBUG_IMX53_UART
 266                 bool "i.MX53 Debug UART"
 267                 depends on SOC_IMX53
 268                 help
 269                   Say Y here if you want kernel low-level debugging support
 270                   on i.MX53.
 271
 272         config DEBUG_IMX6Q_UART
 273                 bool "i.MX6Q/DL Debug UART"
 274                 depends on SOC_IMX6Q
 275                 help
 276                   Say Y here if you want kernel low-level debugging support
 277                   on i.MX6Q/DL.
 278
 279         config DEBUG_IMX6SL_UART
 280                 bool "i.MX6SL Debug UART"
 281                 depends on SOC_IMX6SL
 282                 help
 283                   Say Y here if you want kernel low-level debugging support
 284                   on i.MX6SL.
 285
 286         config DEBUG_KEYSTONE_UART0
 287                 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
 288                 depends on ARCH_KEYSTONE
 289                 select DEBUG_UART_8250
 290                 help
 291                   Say Y here if you want the debug print routines to direct
 292                   their output to UART0 serial port on KEYSTONE2 devices.
 293
 294         config DEBUG_KEYSTONE_UART1
 295                 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
 296                 depends on ARCH_KEYSTONE
 297                 select DEBUG_UART_8250
 298                 help
 299                   Say Y here if you want the debug print routines to direct
 300                   their output to UART1 serial port on KEYSTONE2 devices.
 301
 302         config DEBUG_MMP_UART2
 303                 bool "Kernel low-level debugging message via MMP UART2"
 304                 depends on ARCH_MMP
 305                 select DEBUG_UART_8250
 306                 help
 307                   Say Y here if you want kernel low-level debugging support
 308                   on MMP UART2.
 309
 310         config DEBUG_MMP_UART3
 311                 bool "Kernel low-level debugging message via MMP UART3"
 312                 depends on ARCH_MMP
 313                 select DEBUG_UART_8250
 314                 help
 315                   Say Y here if you want kernel low-level debugging support
 316                   on MMP UART3.
 317
 318         config DEBUG_MSM_UART1
 319                 bool "Kernel low-level debugging messages via MSM UART1"
 320                 depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 321                 help
 322                   Say Y here if you want the debug print routines to direct
 323                   their output to the first serial port on MSM devices.
 324
 325         config DEBUG_MSM_UART2
 326                 bool "Kernel low-level debugging messages via MSM UART2"
 327                 depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 328                 help
 329                   Say Y here if you want the debug print routines to direct
 330                   their output to the second serial port on MSM devices.
 331
 332         config DEBUG_MSM_UART3
 333                 bool "Kernel low-level debugging messages via MSM UART3"
 334                 depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
 335                 help
 336                   Say Y here if you want the debug print routines to direct
 337                   their output to the third serial port on MSM devices.
 338
 339         config DEBUG_MSM8660_UART
 340                 bool "Kernel low-level debugging messages via MSM 8660 UART"
 341                 depends on ARCH_MSM8X60
 342                 select MSM_HAS_DEBUG_UART_HS
 343                 help
 344                   Say Y here if you want the debug print routines to direct
 345                   their output to the serial port on MSM 8660 devices.
 346
 347         config DEBUG_MSM8960_UART
 348                 bool "Kernel low-level debugging messages via MSM 8960 UART"
 349                 depends on ARCH_MSM8960
 350                 select MSM_HAS_DEBUG_UART_HS
 351                 help
 352                   Say Y here if you want the debug print routines to direct
 353                   their output to the serial port on MSM 8960 devices.
 354
 355         config DEBUG_MVEBU_UART
 356                 bool "Kernel low-level debugging messages via MVEBU UART (old bootloaders)"
 357                 depends on ARCH_MVEBU
 358                 select DEBUG_UART_8250
 359                 help
 360                   Say Y here if you want kernel low-level debugging support
 361                   on MVEBU based platforms.
 362
 363                   This option should be used with the old bootloaders
 364                   that left the internal registers mapped at
 365                   0xd0000000. As of today, this is the case on
 366                   platforms such as the Globalscale Mirabox or the
 367                   Plathome OpenBlocks AX3, when using the original
 368                   bootloader.
 369
 370                   If the wrong DEBUG_MVEBU_UART* option is selected,
 371                   when u-boot hands over to the kernel, the system
 372                   silently crashes, with no serial output at all.
 373
 374         config DEBUG_MVEBU_UART_ALTERNATE
 375                 bool "Kernel low-level debugging messages via MVEBU UART (new bootloaders)"
 376                 depends on ARCH_MVEBU
 377                 select DEBUG_UART_8250
 378                 help
 379                   Say Y here if you want kernel low-level debugging support
 380                   on MVEBU based platforms.
 381
 382                   This option should be used with the new bootloaders
 383                   that remap the internal registers at 0xf1000000.
 384
 385                   If the wrong DEBUG_MVEBU_UART* option is selected,
 386                   when u-boot hands over to the kernel, the system
 387                   silently crashes, with no serial output at all.
 388
 389         config DEBUG_NOMADIK_UART
 390                 bool "Kernel low-level debugging messages via NOMADIK UART"
 391                 depends on ARCH_NOMADIK
 392                 select DEBUG_UART_PL01X
 393                 help
 394                   Say Y here if you want kernel low-level debugging support
 395                   on NOMADIK based platforms.
 396
 397         config DEBUG_NSPIRE_CLASSIC_UART
 398                 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
 399                 depends on ARCH_NSPIRE
 400                 select DEBUG_UART_8250
 401                 help
 402                   Say Y here if you want kernel low-level debugging support
 403                   on TI-NSPIRE classic models.
 404
 405         config DEBUG_NSPIRE_CX_UART
 406                 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
 407                 depends on ARCH_NSPIRE
 408                 select DEBUG_UART_PL01X
 409                 help
 410                   Say Y here if you want kernel low-level debugging support
 411                   on TI-NSPIRE CX models.
 412
 413         config DEBUG_OMAP2UART1
 414                 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)"
 415                 depends on ARCH_OMAP2PLUS
 416                 select DEBUG_OMAP2PLUS_UART
 417                 help
 418                   This covers at least h4, 2430sdp, 3430sdp, 3630sdp,
 419                   omap3 torpedo and 3530 lv som.
 420
 421         config DEBUG_OMAP2UART2
 422                 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
 423                 depends on ARCH_OMAP2PLUS
 424                 select DEBUG_OMAP2PLUS_UART
 425
 426         config DEBUG_OMAP2UART3
 427                 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
 428                 depends on ARCH_OMAP2PLUS
 429                 select DEBUG_OMAP2PLUS_UART
 430
 431         config DEBUG_OMAP3UART3
 432                 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
 433                 depends on ARCH_OMAP2PLUS
 434                 select DEBUG_OMAP2PLUS_UART
 435                 help
 436                   This covers at least cm_t3x, beagle, crane, devkit8000,
 437                   igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
 438                   and 3517evm.
 439
 440         config DEBUG_OMAP4UART3
 441                 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
 442                 depends on ARCH_OMAP2PLUS
 443                 select DEBUG_OMAP2PLUS_UART
 444
 445         config DEBUG_OMAP3UART4
 446                 bool "Kernel low-level debugging messages via OMAP36XX UART4"
 447                 depends on ARCH_OMAP2PLUS
 448                 select DEBUG_OMAP2PLUS_UART
 449
 450         config DEBUG_OMAP4UART4
 451                 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
 452                 depends on ARCH_OMAP2PLUS
 453                 select DEBUG_OMAP2PLUS_UART
 454
 455         config DEBUG_TI81XXUART1
 456                 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
 457                 depends on ARCH_OMAP2PLUS
 458                 select DEBUG_OMAP2PLUS_UART
 459
 460         config DEBUG_TI81XXUART2
 461                 bool "Kernel low-level debugging messages via TI81XX UART2"
 462                 depends on ARCH_OMAP2PLUS
 463                 select DEBUG_OMAP2PLUS_UART
 464
 465         config DEBUG_TI81XXUART3
 466                 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
 467                 depends on ARCH_OMAP2PLUS
 468                 select DEBUG_OMAP2PLUS_UART
 469
 470         config DEBUG_AM33XXUART1
 471                 bool "Kernel low-level debugging messages via AM33XX UART1"
 472                 depends on ARCH_OMAP2PLUS
 473                 select DEBUG_OMAP2PLUS_UART
 474
 475         config DEBUG_ZOOM_UART
 476                 bool "Kernel low-level debugging messages via Zoom2/3 UART"
 477                 depends on ARCH_OMAP2PLUS
 478                 select DEBUG_OMAP2PLUS_UART
 479
 480         config DEBUG_PICOXCELL_UART
 481                 depends on ARCH_PICOXCELL
 482                 bool "Use PicoXcell UART for low-level debug"
 483                 select DEBUG_UART_8250
 484                 help
 485                   Say Y here if you want kernel low-level debugging support
 486                   on PicoXcell based platforms.
 487
 488         config DEBUG_PXA_UART1
 489                 depends on ARCH_PXA
 490                 bool "Use PXA UART1 for low-level debug"
 491                 select DEBUG_UART_8250
 492                 help
 493                   Say Y here if you want kernel low-level debugging support
 494                   on PXA UART1.
 495
 496         config DEBUG_REALVIEW_STD_PORT
 497                 bool "RealView Default UART"
 498                 depends on ARCH_REALVIEW
 499                 select DEBUG_UART_PL01X
 500                 help
 501                   Say Y here if you want the debug print routines to direct
 502                   their output to the serial port on RealView EB, PB11MP, PBA8
 503                   and PBX platforms.
 504
 505         config DEBUG_REALVIEW_PB1176_PORT
 506                 bool "RealView PB1176 UART"
 507                 depends on MACH_REALVIEW_PB1176
 508                 select DEBUG_UART_PL01X
 509                 help
 510                   Say Y here if you want the debug print routines to direct
 511                   their output to the standard serial port on the RealView
 512                   PB1176 platform.
 513
 514         config DEBUG_RK29_UART0
 515                 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
 516                 depends on ARCH_ROCKCHIP
 517                 select DEBUG_UART_8250
 518                 help
 519                   Say Y here if you want kernel low-level debugging support
 520                   on Rockchip based platforms.
 521
 522         config DEBUG_RK29_UART1
 523                 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
 524                 depends on ARCH_ROCKCHIP
 525                 select DEBUG_UART_8250
 526                 help
 527                   Say Y here if you want kernel low-level debugging support
 528                   on Rockchip based platforms.
 529
 530         config DEBUG_RK29_UART2
 531                 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
 532                 depends on ARCH_ROCKCHIP
 533                 select DEBUG_UART_8250
 534                 help
 535                   Say Y here if you want kernel low-level debugging support
 536                   on Rockchip based platforms.
 537
 538         config DEBUG_RK3X_UART0
 539                 bool "Kernel low-level debugging messages via Rockchip RK3X UART0"
 540                 depends on ARCH_ROCKCHIP
 541                 select DEBUG_UART_8250
 542                 help
 543                   Say Y here if you want kernel low-level debugging support
 544                   on Rockchip based platforms.
 545
 546         config DEBUG_RK3X_UART1
 547                 bool "Kernel low-level debugging messages via Rockchip RK3X UART1"
 548                 depends on ARCH_ROCKCHIP
 549                 select DEBUG_UART_8250
 550                 help
 551                   Say Y here if you want kernel low-level debugging support
 552                   on Rockchip based platforms.
 553
 554         config DEBUG_RK3X_UART2
 555                 bool "Kernel low-level debugging messages via Rockchip RK3X UART2"
 556                 depends on ARCH_ROCKCHIP
 557                 select DEBUG_UART_8250
 558                 help
 559                   Say Y here if you want kernel low-level debugging support
 560                   on Rockchip based platforms.
 561
 562         config DEBUG_RK3X_UART3
 563                 bool "Kernel low-level debugging messages via Rockchip RK3X UART3"
 564                 depends on ARCH_ROCKCHIP
 565                 select DEBUG_UART_8250
 566                 help
 567                   Say Y here if you want kernel low-level debugging support
 568                   on Rockchip based platforms.
 569
 570         config DEBUG_S3C_UART0
 571                 depends on PLAT_SAMSUNG
 572                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 573                 bool "Use S3C UART 0 for low-level debug"
 574                 help
 575                   Say Y here if you want the debug print routines to direct
 576                   their output to UART 0. The port must have been initialised
 577                   by the boot-loader before use.
 578
 579                   The uncompressor code port configuration is now handled
 580                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 581
 582         config DEBUG_S3C_UART1
 583                 depends on PLAT_SAMSUNG
 584                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 585                 bool "Use S3C UART 1 for low-level debug"
 586                 help
 587                   Say Y here if you want the debug print routines to direct
 588                   their output to UART 1. The port must have been initialised
 589                   by the boot-loader before use.
 590
 591                   The uncompressor code port configuration is now handled
 592                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 593
 594         config DEBUG_S3C_UART2
 595                 depends on PLAT_SAMSUNG
 596                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 597                 bool "Use S3C UART 2 for low-level debug"
 598                 help
 599                   Say Y here if you want the debug print routines to direct
 600                   their output to UART 2. The port must have been initialised
 601                   by the boot-loader before use.
 602
 603                   The uncompressor code port configuration is now handled
 604                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 605
 606         config DEBUG_S3C_UART3
 607                 depends on PLAT_SAMSUNG && ARCH_EXYNOS
 608                 select DEBUG_EXYNOS_UART
 609                 bool "Use S3C UART 3 for low-level debug"
 610                 help
 611                   Say Y here if you want the debug print routines to direct
 612                   their output to UART 3. The port must have been initialised
 613                   by the boot-loader before use.
 614
 615                   The uncompressor code port configuration is now handled
 616                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 617
 618         config DEBUG_SOCFPGA_UART
 619                 depends on ARCH_SOCFPGA
 620                 bool "Use SOCFPGA UART for low-level debug"
 621                 select DEBUG_UART_8250
 622                 help
 623                   Say Y here if you want kernel low-level debugging support
 624                   on SOCFPGA based platforms.
 625
 626         config DEBUG_SUNXI_UART0
 627                 bool "Kernel low-level debugging messages via sunXi UART0"
 628                 depends on ARCH_SUNXI
 629                 select DEBUG_UART_8250
 630                 help
 631                   Say Y here if you want kernel low-level debugging support
 632                   on Allwinner A1X based platforms on the UART0.
 633
 634         config DEBUG_SUNXI_UART1
 635                 bool "Kernel low-level debugging messages via sunXi UART1"
 636                 depends on ARCH_SUNXI
 637                 select DEBUG_UART_8250
 638                 help
 639                   Say Y here if you want kernel low-level debugging support
 640                   on Allwinner A1X based platforms on the UART1.
 641
 642         config TEGRA_DEBUG_UART_AUTO_ODMDATA
 643                 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
 644                 depends on ARCH_TEGRA
 645                 select DEBUG_TEGRA_UART
 646                 help
 647                   Automatically determines which UART to use for low-level
 648                   debug based on the ODMDATA value. This value is part of
 649                   the BCT, and is written to the boot memory device using
 650                   nvflash, or other flashing tool.  When bits 19:18 are 3,
 651                   then bits 17:15 indicate which UART to use; 0/1/2/3/4
 652                   are UART A/B/C/D/E.
 653
 654         config TEGRA_DEBUG_UARTA
 655                 bool "Kernel low-level debugging messages via Tegra UART A"
 656                 depends on ARCH_TEGRA
 657                 select DEBUG_TEGRA_UART
 658                 help
 659                   Say Y here if you want kernel low-level debugging support
 660                   on Tegra based platforms.
 661
 662         config TEGRA_DEBUG_UARTB
 663                 bool "Kernel low-level debugging messages via Tegra UART B"
 664                 depends on ARCH_TEGRA
 665                 select DEBUG_TEGRA_UART
 666                 help
 667                   Say Y here if you want kernel low-level debugging support
 668                   on Tegra based platforms.
 669
 670         config TEGRA_DEBUG_UARTC
 671                 bool "Kernel low-level debugging messages via Tegra UART C"
 672                 depends on ARCH_TEGRA
 673                 select DEBUG_TEGRA_UART
 674                 help
 675                   Say Y here if you want kernel low-level debugging support
 676                   on Tegra based platforms.
 677
 678         config TEGRA_DEBUG_UARTD
 679                 bool "Kernel low-level debugging messages via Tegra UART D"
 680                 depends on ARCH_TEGRA
 681                 select DEBUG_TEGRA_UART
 682                 help
 683                   Say Y here if you want kernel low-level debugging support
 684                   on Tegra based platforms.
 685
 686         config TEGRA_DEBUG_UARTE
 687                 bool "Kernel low-level debugging messages via Tegra UART E"
 688                 depends on ARCH_TEGRA
 689                 select DEBUG_TEGRA_UART
 690                 help
 691                   Say Y here if you want kernel low-level debugging support
 692                   on Tegra based platforms.
 693
 694         config DEBUG_SIRFPRIMA2_UART1
 695                 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
 696                 depends on ARCH_PRIMA2
 697                 help
 698                   Say Y here if you want the debug print routines to direct
 699                   their output to the uart1 port on SiRFprimaII devices.
 700
 701         config DEBUG_SIRFMARCO_UART1
 702                 bool "Kernel low-level debugging messages via SiRFmarco UART1"
 703                 depends on ARCH_MARCO
 704                 help
 705                   Say Y here if you want the debug print routines to direct
 706                   their output to the uart1 port on SiRFmarco devices.
 707
 708         config STIH41X_DEBUG_ASC2
 709                 bool "Use StiH415/416 ASC2 UART for low-level debug"
 710                 depends on ARCH_STI
 711                 select DEBUG_STI_UART
 712                 help
 713                   Say Y here if you want kernel low-level debugging support
 714                   on STiH415/416 based platforms like b2000, which has
 715                   default UART wired up to ASC2.
 716
 717                   If unsure, say N.
 718
 719         config STIH41X_DEBUG_SBC_ASC1
 720                 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
 721                 depends on ARCH_STI
 722                 select DEBUG_STI_UART
 723                 help
 724                   Say Y here if you want kernel low-level debugging support
 725                   on STiH415/416 based platforms like b2020. which has
 726                   default UART wired up to SBC ASC1.
 727
 728                   If unsure, say N.
 729
 730         config DEBUG_U300_UART
 731                 bool "Kernel low-level debugging messages via U300 UART0"
 732                 depends on ARCH_U300
 733                 select DEBUG_UART_PL01X
 734                 help
 735                   Say Y here if you want the debug print routines to direct
 736                   their output to the uart port on U300 devices.
 737
 738         config DEBUG_UX500_UART
 739                 depends on ARCH_U8500
 740                 bool "Use Ux500 UART for low-level debug"
 741                 help
 742                   Say Y here if you want kernel low-level debugging support
 743                   on Ux500 based platforms.
 744
 745         config DEBUG_VEXPRESS_UART0_DETECT
 746                 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
 747                 depends on ARCH_VEXPRESS && CPU_CP15_MMU
 748                 help
 749                   This option enables a simple heuristic which tries to determine
 750                   the motherboard's memory map variant (original or RS1) and then
 751                   choose the relevant UART0 base address.
 752
 753                   Note that this will only work with standard A-class core tiles,
 754                   and may fail with non-standard SMM or custom software models.
 755
 756         config DEBUG_VEXPRESS_UART0_CA9
 757                 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
 758                 depends on ARCH_VEXPRESS
 759                 select DEBUG_UART_PL01X
 760                 help
 761                   This option selects UART0 at 0x10009000. Except for custom models,
 762                   this applies only to the V2P-CA9 tile.
 763
 764         config DEBUG_VEXPRESS_UART0_RS1
 765                 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
 766                 depends on ARCH_VEXPRESS
 767                 select DEBUG_UART_PL01X
 768                 help
 769                   This option selects UART0 at 0x1c090000. This applies to most
 770                   of the tiles using the RS1 memory map, including all new A-class
 771                   core tiles, FPGA-based SMMs and software models.
 772
 773         config DEBUG_VEXPRESS_UART0_CRX
 774                 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
 775                 depends on ARCH_VEXPRESS && !MMU
 776                 select DEBUG_UART_PL01X
 777                 help
 778                   This option selects UART0 at 0xb0090000. This is appropriate for
 779                   Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
 780
 781         config DEBUG_VT8500_UART0
 782                 bool "Use UART0 on VIA/Wondermedia SoCs"
 783                 depends on ARCH_VT8500
 784                 help
 785                   This option selects UART0 on VIA/Wondermedia System-on-a-chip
 786                   devices, including VT8500, WM8505, WM8650 and WM8850.
 787
 788         config DEBUG_LL_UART_NONE
 789                 bool "No low-level debugging UART"
 790                 depends on !ARCH_MULTIPLATFORM
 791                 help
 792                   Say Y here if your platform doesn't provide a UART option
 793                   above. This relies on your platform choosing the right UART
 794                   definition internally in order for low-level debugging to
 795                   work.
 796
 797         config DEBUG_ICEDCC
 798                 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
 799                 help
 800                   Say Y here if you want the debug print routines to direct
 801                   their output to the EmbeddedICE macrocell's DCC channel using
 802                   co-processor 14. This is known to work on the ARM9 style ICE
 803                   channel and on the XScale with the PEEDI.
 804
 805                   Note that the system will appear to hang during boot if there
 806                   is nothing connected to read from the DCC.
 807
 808         config DEBUG_SEMIHOSTING
 809                 bool "Kernel low-level debug output via semihosting I/O"
 810                 help
 811                   Semihosting enables code running on an ARM target to use
 812                   the I/O facilities on a host debugger/emulator through a
 813                   simple SVC call. The host debugger or emulator must have
 814                   semihosting enabled for the special svc call to be trapped
 815                   otherwise the kernel will crash.
 816
 817                   This is known to work with OpenOCD, as well as
 818                   ARM's Fast Models, or any other controlling environment
 819                   that implements semihosting.
 820
 821                   For more details about semihosting, please see
 822                   chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
 823
 824         config DEBUG_LL_UART_8250
 825                 bool "Kernel low-level debugging via 8250 UART"
 826                 help
 827                   Say Y here if you wish the debug print routes to direct
 828                   their output to an 8250 UART.  You can use this option
 829                   to provide the parameters for the 8250 UART rather than
 830                   selecting one of the platform specific options above if
 831                   you know the parameters for the port.
 832
 833                   This option is preferred over the platform specific
 834                   options; the platform specific options are deprecated
 835                   and will be soon removed.
 836
 837         config DEBUG_LL_UART_PL01X
 838                 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
 839                 help
 840                   Say Y here if you wish the debug print routes to direct
 841                   their output to a PL01x Primecell UART.  You can use
 842                   this option to provide the parameters for the UART
 843                   rather than selecting one of the platform specific
 844                   options above if you know the parameters for the port.
 845
 846                   This option is preferred over the platform specific
 847                   options; the platform specific options are deprecated
 848                   and will be soon removed.
 849
 850 endchoice
 851
 852 config DEBUG_EXYNOS_UART
 853         bool
 854
 855 config DEBUG_OMAP2PLUS_UART
 856         bool
 857         depends on ARCH_OMAP2PLUS
 858
 859 config DEBUG_IMX_UART_PORT
 860         int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
 861                                                 DEBUG_IMX25_UART || \
 862                                                 DEBUG_IMX21_IMX27_UART || \
 863                                                 DEBUG_IMX31_UART || \
 864                                                 DEBUG_IMX35_UART || \
 865                                                 DEBUG_IMX51_UART || \
 866                                                 DEBUG_IMX53_UART || \
 867                                                 DEBUG_IMX6Q_UART || \
 868                                                 DEBUG_IMX6SL_UART
 869         default 1
 870         depends on ARCH_MXC
 871         help
 872           Choose UART port on which kernel low-level debug messages
 873           should be output.
 874
 875 config DEBUG_TEGRA_UART
 876         bool
 877         depends on ARCH_TEGRA
 878
 879 config DEBUG_STI_UART
 880         bool
 881         depends on ARCH_STI
 882
 883 config DEBUG_LL_INCLUDE
 884         string
 885         default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
 886         default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
 887         default "debug/exynos.S" if DEBUG_EXYNOS_UART
 888         default "debug/icedcc.S" if DEBUG_ICEDCC
 889         default "debug/imx.S" if DEBUG_IMX1_UART || \
 890                                  DEBUG_IMX25_UART || \
 891                                  DEBUG_IMX21_IMX27_UART || \
 892                                  DEBUG_IMX31_UART || \
 893                                  DEBUG_IMX35_UART || \
 894                                  DEBUG_IMX51_UART || \
 895                                  DEBUG_IMX53_UART ||\
 896                                  DEBUG_IMX6Q_UART || \
 897                                  DEBUG_IMX6SL_UART
 898         default "debug/msm.S" if DEBUG_MSM_UART1 || \
 899                                  DEBUG_MSM_UART2 || \
 900                                  DEBUG_MSM_UART3 || \
 901                                  DEBUG_MSM8660_UART || \
 902                                  DEBUG_MSM8960_UART
 903         default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
 904         default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1
 905         default "debug/sti.S" if DEBUG_STI_UART
 906         default "debug/tegra.S" if DEBUG_TEGRA_UART
 907         default "debug/ux500.S" if DEBUG_UX500_UART
 908         default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
 909         default "debug/vt8500.S" if DEBUG_VT8500_UART0
 910         default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
 911         default "mach/debug-macro.S"
 912
 913 # Compatibility options for PL01x
 914 config DEBUG_UART_PL01X
 915         def_bool ARCH_EP93XX || \
 916                 ARCH_INTEGRATOR || \
 917                 ARCH_SPEAR3XX || \
 918                 ARCH_SPEAR6XX || \
 919                 ARCH_SPEAR13XX || \
 920                 ARCH_VERSATILE
 921
 922 # Compatibility options for 8250
 923 config DEBUG_UART_8250
 924         def_bool ARCH_DOVE || ARCH_EBSA110 || \
 925                 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
 926                 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
 927                 ARCH_IOP33X || ARCH_IXP4XX || ARCH_KIRKWOOD || \
 928                 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC
 929
 930 config DEBUG_UART_PHYS
 931         hex "Physical base address of debug UART"
 932         default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
 933         default 0x01c28000 if DEBUG_SUNXI_UART0
 934         default 0x01c28400 if DEBUG_SUNXI_UART1
 935         default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
 936         default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
 937         default 0x02530c00 if DEBUG_KEYSTONE_UART0
 938         default 0x02531000 if DEBUG_KEYSTONE_UART1
 939         default 0x03010fe0 if ARCH_RPC
 940         default 0x08108300 if DEBUG_DAVINCI_TNETV107X_UART1
 941         default 0x10009000 if DEBUG_REALVIEW_STD_PORT || DEBUG_CNS3XXX || \
 942                                 DEBUG_VEXPRESS_UART0_CA9
 943         default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
 944         default 0x10124000 if DEBUG_RK3X_UART0
 945         default 0x10126000 if DEBUG_RK3X_UART1
 946         default 0x101f1000 if ARCH_VERSATILE
 947         default 0x101fb000 if DEBUG_NOMADIK_UART
 948         default 0x16000000 if ARCH_INTEGRATOR
 949         default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
 950         default 0x20060000 if DEBUG_RK29_UART0
 951         default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
 952         default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
 953         default 0x20201000 if DEBUG_BCM2835
 954         default 0x40090000 if ARCH_LPC32XX
 955         default 0x40100000 if DEBUG_PXA_UART1
 956         default 0x42000000 if ARCH_GEMINI
 957         default 0x7c0003f8 if FOOTBRIDGE
 958         default 0x80230000 if DEBUG_PICOXCELL_UART
 959         default 0x80070000 if DEBUG_IMX23_UART
 960         default 0x80074000 if DEBUG_IMX28_UART
 961         default 0x808c0000 if ARCH_EP93XX
 962         default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
 963         default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
 964         default 0xc0013000 if DEBUG_U300_UART
 965         default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
 966         default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
 967         default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
 968         default 0xd0012000 if DEBUG_MVEBU_UART
 969         default 0xd4017000 if DEBUG_MMP_UART2
 970         default 0xd4018000 if DEBUG_MMP_UART3
 971         default 0xe0000000 if ARCH_SPEAR13XX
 972         default 0xf0000be0 if ARCH_EBSA110
 973         default 0xf1012000 if DEBUG_MVEBU_UART_ALTERNATE
 974         default 0xf1012000 if ARCH_DOVE || ARCH_KIRKWOOD || ARCH_MV78XX0 || \
 975                                 ARCH_ORION5X
 976         default 0xf8b00000 if DEBUG_HI3716_UART
 977         default 0xfcb00000 if DEBUG_HI3620_UART
 978         default 0xfe800000 if ARCH_IOP32X
 979         default 0xffc02000 if DEBUG_SOCFPGA_UART
 980         default 0xffd82340 if ARCH_IOP13XX
 981         default 0xfff36000 if DEBUG_HIGHBANK_UART
 982         default 0xfffff700 if ARCH_IOP33X
 983         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
 984                 DEBUG_UART_8250 || DEBUG_UART_PL01X
 985
 986 config DEBUG_UART_VIRT
 987         hex "Virtual base address of debug UART"
 988         default 0xe0010fe0 if ARCH_RPC
 989         default 0xf0000be0 if ARCH_EBSA110
 990         default 0xf0009000 if DEBUG_CNS3XXX
 991         default 0xf01fb000 if DEBUG_NOMADIK_UART
 992         default 0xf0201000 if DEBUG_BCM2835
 993         default 0xf11f1000 if ARCH_VERSATILE
 994         default 0xf1600000 if ARCH_INTEGRATOR
 995         default 0xf1c28000 if DEBUG_SUNXI_UART0
 996         default 0xf1c28400 if DEBUG_SUNXI_UART1
 997         default 0xf2100000 if DEBUG_PXA_UART1
 998         default 0xf4090000 if ARCH_LPC32XX
 999         default 0xf4200000 if ARCH_GEMINI
1000         default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1001         default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1002         default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1003         default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1004         default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1005         default 0xfd000000 if ARCH_SPEAR13XX
1006         default 0xfd012000 if ARCH_MV78XX0
1007         default 0xfde12000 if ARCH_DOVE
1008         default 0xfe012000 if ARCH_ORION5X
1009         default 0xfe017000 if DEBUG_MMP_UART2
1010         default 0xfe018000 if DEBUG_MMP_UART3
1011         default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1012         default 0xfe230000 if DEBUG_PICOXCELL_UART
1013         default 0xfe800000 if ARCH_IOP32X
1014         default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HI3716_UART
1015         default 0xfeb24000 if DEBUG_RK3X_UART0
1016         default 0xfeb26000 if DEBUG_RK3X_UART1
1017         default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1018         default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1019         default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
1020         default 0xfed60000 if DEBUG_RK29_UART0
1021         default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1022         default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1023         default 0xfec02000 if DEBUG_SOCFPGA_UART
1024         default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
1025         default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1026         default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
1027         default 0xfed12000 if ARCH_KIRKWOOD
1028         default 0xfedc0000 if ARCH_EP93XX
1029         default 0xfee003f8 if FOOTBRIDGE
1030         default 0xfee08300 if DEBUG_DAVINCI_TNETV107X_UART1
1031         default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1032         default 0xfef36000 if DEBUG_HIGHBANK_UART
1033         default 0xfee82340 if ARCH_IOP13XX
1034         default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1035         default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1036         default 0xfefff700 if ARCH_IOP33X
1037         default 0xff003000 if DEBUG_U300_UART
1038         default DEBUG_UART_PHYS if !MMU
1039         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1040                 DEBUG_UART_8250 || DEBUG_UART_PL01X
1041
1042 config DEBUG_UART_8250_SHIFT
1043         int "Register offset shift for the 8250 debug UART"
1044         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1045         default 0 if FOOTBRIDGE || ARCH_IOP32X
1046         default 2
1047
1048 config DEBUG_UART_8250_WORD
1049         bool "Use 32-bit accesses for 8250 UART"
1050         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1051         depends on DEBUG_UART_8250_SHIFT >= 2
1052         default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
1053                 ARCH_KEYSTONE || \
1054                 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
1055                 DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_DAVINCI_TNETV107X_UART1
1056
1057 config DEBUG_UART_8250_FLOW_CONTROL
1058         bool "Enable flow control for 8250 UART"
1059         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1060         default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
1061
1062 config DEBUG_UNCOMPRESS
1063         bool
1064         depends on ARCH_MULTIPLATFORM || ARCH_MSM
1065         default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1066                      (!DEBUG_TEGRA_UART || !ZBOOT_ROM)
1067         help
1068           This option influences the normal decompressor output for
1069           multiplatform kernels.  Normally, multiplatform kernels disable
1070           decompressor output because it is not possible to know where to
1071           send the decompressor output.
1072
1073           When this option is set, the selected DEBUG_LL output method
1074           will be re-used for normal decompressor output on multiplatform
1075           kernels.
1076
1077
1078 config UNCOMPRESS_INCLUDE
1079         string
1080         default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM
1081         default "mach/uncompress.h"
1082
1083 config EARLY_PRINTK
1084         bool "Early printk"
1085         depends on DEBUG_LL
1086         help
1087           Say Y here if you want to have an early console using the
1088           kernel low-level debugging functions. Add earlyprintk to your
1089           kernel parameters to enable this console.
1090
1091 config OC_ETM
1092         bool "On-chip ETM and ETB"
1093         depends on ARM_AMBA
1094         help
1095           Enables the on-chip embedded trace macrocell and embedded trace
1096           buffer driver that will allow you to collect traces of the
1097           kernel code.
1098
1099 config ARM_KPROBES_TEST
1100         tristate "Kprobes test module"
1101         depends on KPROBES && MODULES
1102         help
1103           Perform tests of kprobes API and instruction set simulation.
1104
1105 config PID_IN_CONTEXTIDR
1106         bool "Write the current PID to the CONTEXTIDR register"
1107         depends on CPU_COPY_V6
1108         help
1109           Enabling this option causes the kernel to write the current PID to
1110           the PROCID field of the CONTEXTIDR register, at the expense of some
1111           additional instructions during context switch. Say Y here only if you
1112           are planning to use hardware trace tools with this kernel.
1113
1114 endmenu