Version:  2.0.40 2.2.26 2.4.37 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2

Linux/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         depends on MMU
  9         select DEBUG_FS
 10         ---help---
 11           Say Y here if you want to show the kernel pagetable layout in a
 12           debugfs file. This information is only useful for kernel developers
 13           who are working in architecture specific areas of the kernel.
 14           It is probably not a good idea to enable this feature in a production
 15           kernel.
 16           If in doubt, say "N"
 17 
 18 config STRICT_DEVMEM
 19         bool "Filter access to /dev/mem"
 20         depends on MMU
 21         ---help---
 22           If this option is disabled, you allow userspace (root) access to all
 23           of memory, including kernel and userspace memory. Accidental
 24           access to this is obviously disastrous, but specific access can
 25           be used by people debugging the kernel.
 26 
 27           If this option is switched on, the /dev/mem file only allows
 28           userspace access to memory mapped peripherals.
 29 
 30           If in doubt, say Y.
 31 
 32 # RMK wants arm kernels compiled with frame pointers or stack unwinding.
 33 # If you know what you are doing and are willing to live without stack
 34 # traces, you can get a slightly smaller kernel by setting this option to
 35 # n, but then RMK will have to kill you ;).
 36 config FRAME_POINTER
 37         bool
 38         depends on !THUMB2_KERNEL
 39         default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
 40         help
 41           If you say N here, the resulting kernel will be slightly smaller and
 42           faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
 43           when a problem occurs with the kernel, the information that is
 44           reported is severely limited.
 45 
 46 config ARM_UNWIND
 47         bool "Enable stack unwinding support (EXPERIMENTAL)"
 48         depends on AEABI
 49         default y
 50         help
 51           This option enables stack unwinding support in the kernel
 52           using the information automatically generated by the
 53           compiler. The resulting kernel image is slightly bigger but
 54           the performance is not affected. Currently, this feature
 55           only works with EABI compilers. If unsure say Y.
 56 
 57 config OLD_MCOUNT
 58         bool
 59         depends on FUNCTION_TRACER && FRAME_POINTER
 60         default y
 61 
 62 config DEBUG_USER
 63         bool "Verbose user fault messages"
 64         help
 65           When a user program crashes due to an exception, the kernel can
 66           print a brief message explaining what the problem was. This is
 67           sometimes helpful for debugging but serves no purpose on a
 68           production system. Most people should say N here.
 69 
 70           In addition, you need to pass user_debug=N on the kernel command
 71           line to enable this feature.  N consists of the sum of:
 72 
 73               1 - undefined instruction events
 74               2 - system calls
 75               4 - invalid data aborts
 76               8 - SIGSEGV faults
 77              16 - SIGBUS faults
 78 
 79 # These options are only for real kernel hackers who want to get their hands dirty.
 80 config DEBUG_LL
 81         bool "Kernel low-level debugging functions (read help!)"
 82         depends on DEBUG_KERNEL
 83         help
 84           Say Y here to include definitions of printascii, printch, printhex
 85           in the kernel.  This is helpful if you are debugging code that
 86           executes before the console is initialized.
 87 
 88           Note that selecting this option will limit the kernel to a single
 89           UART definition, as specified below. Attempting to boot the kernel
 90           image on a different platform *will not work*, so this option should
 91           not be enabled for kernels that are intended to be portable.
 92 
 93 choice
 94         prompt "Kernel low-level debugging port"
 95         depends on DEBUG_LL
 96 
 97         config DEBUG_ALPINE_UART0
 98                 bool "Kernel low-level debugging messages via Alpine UART0"
 99                 depends on ARCH_ALPINE
100                 select DEBUG_UART_8250
101                 help
102                   Say Y here if you want kernel low-level debugging support
103                   on Alpine based platforms.
104 
105         config DEBUG_ASM9260_UART
106                 bool "Kernel low-level debugging via asm9260 UART"
107                 depends on MACH_ASM9260
108                 help
109                   Say Y here if you want the debug print routines to direct
110                   their output to an UART or USART port on asm9260 based
111                   machines.
112 
113                     DEBUG_UART_PHYS | DEBUG_UART_VIRT
114 
115                     0x80000000      | 0xf0000000     | UART0
116                     0x80004000      | 0xf0004000     | UART1
117                     0x80008000      | 0xf0008000     | UART2
118                     0x8000c000      | 0xf000c000     | UART3
119                     0x80010000      | 0xf0010000     | UART4
120                     0x80014000      | 0xf0014000     | UART5
121                     0x80018000      | 0xf0018000     | UART6
122                     0x8001c000      | 0xf001c000     | UART7
123                     0x80020000      | 0xf0020000     | UART8
124                     0x80024000      | 0xf0024000     | UART9
125 
126         config AT91_DEBUG_LL_DBGU0
127                 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12"
128                 select DEBUG_AT91_UART
129                 depends on ARCH_AT91
130                 depends on SOC_AT91RM9200 || SOC_AT91SAM9
131 
132         config AT91_DEBUG_LL_DBGU1
133                 bool "Kernel low-level debugging on 9263, 9g45 and sama5d3"
134                 select DEBUG_AT91_UART
135                 depends on ARCH_AT91
136                 depends on SOC_AT91SAM9 || SOC_SAMA5
137 
138         config AT91_DEBUG_LL_DBGU2
139                 bool "Kernel low-level debugging on sama5d4"
140                 select DEBUG_AT91_UART
141                 depends on ARCH_AT91
142                 depends on SOC_SAMA5
143 
144         config DEBUG_BCM2835
145                 bool "Kernel low-level debugging on BCM2835 PL011 UART"
146                 depends on ARCH_BCM2835
147                 select DEBUG_UART_PL01X
148 
149         config DEBUG_BCM_5301X
150                 bool "Kernel low-level debugging on BCM5301X UART1"
151                 depends on ARCH_BCM_5301X
152                 select DEBUG_UART_8250
153 
154         config DEBUG_BCM_KONA_UART
155                 bool "Kernel low-level debugging messages via BCM KONA UART"
156                 depends on ARCH_BCM_MOBILE
157                 select DEBUG_UART_8250
158                 help
159                   Say Y here if you want kernel low-level debugging support
160                   on Broadcom SoC platforms.
161                   This low level debug works for Broadcom
162                   mobile SoCs in the Kona family of chips (e.g. bcm28155,
163                   bcm11351, etc...)
164 
165         config DEBUG_BCM63XX
166                 bool "Kernel low-level debugging on BCM63XX UART"
167                 depends on ARCH_BCM_63XX
168                 select DEBUG_UART_BCM63XX
169 
170         config DEBUG_BERLIN_UART
171                 bool "Marvell Berlin SoC Debug UART"
172                 depends on ARCH_BERLIN
173                 select DEBUG_UART_8250
174                 help
175                   Say Y here if you want kernel low-level debugging support
176                   on Marvell Berlin SoC based platforms.
177 
178         config DEBUG_BRCMSTB_UART
179                 bool "Use BRCMSTB UART for low-level debug"
180                 depends on ARCH_BRCMSTB
181                 select DEBUG_UART_8250
182                 help
183                   Say Y here if you want the debug print routines to direct
184                   their output to the first serial port on these devices.
185 
186                   If you have a Broadcom STB chip and would like early print
187                   messages to appear over the UART, select this option.
188 
189         config DEBUG_CLPS711X_UART1
190                 bool "Kernel low-level debugging messages via UART1"
191                 depends on ARCH_CLPS711X
192                 help
193                   Say Y here if you want the debug print routines to direct
194                   their output to the first serial port on these devices.
195 
196         config DEBUG_CLPS711X_UART2
197                 bool "Kernel low-level debugging messages via UART2"
198                 depends on ARCH_CLPS711X
199                 help
200                   Say Y here if you want the debug print routines to direct
201                   their output to the second serial port on these devices.
202 
203         config DEBUG_CNS3XXX
204                 bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
205                 depends on ARCH_CNS3XXX
206                 select DEBUG_UART_8250
207                 help
208                   Say Y here if you want the debug print routines to direct
209                   their output to the CNS3xxx UART0.
210 
211         config DEBUG_DAVINCI_DA8XX_UART1
212                 bool "Kernel low-level debugging on DaVinci DA8XX using UART1"
213                 depends on ARCH_DAVINCI_DA8XX
214                 select DEBUG_UART_8250
215                 help
216                   Say Y here if you want the debug print routines to direct
217                   their output to UART1 serial port on DaVinci DA8XX devices.
218 
219         config DEBUG_DAVINCI_DA8XX_UART2
220                 bool "Kernel low-level debugging on DaVinci DA8XX using UART2"
221                 depends on ARCH_DAVINCI_DA8XX
222                 select DEBUG_UART_8250
223                 help
224                   Say Y here if you want the debug print routines to direct
225                   their output to UART2 serial port on DaVinci DA8XX devices.
226 
227         config DEBUG_DAVINCI_DMx_UART0
228                 bool "Kernel low-level debugging on DaVinci DMx using UART0"
229                 depends on ARCH_DAVINCI_DMx
230                 select DEBUG_UART_8250
231                 help
232                   Say Y here if you want the debug print routines to direct
233                   their output to UART0 serial port on DaVinci DMx devices.
234 
235         config DEBUG_ZYNQ_UART0
236                 bool "Kernel low-level debugging on Xilinx Zynq using UART0"
237                 depends on ARCH_ZYNQ
238                 help
239                   Say Y here if you want the debug print routines to direct
240                   their output to UART0 on the Zynq platform.
241 
242         config DEBUG_ZYNQ_UART1
243                 bool "Kernel low-level debugging on Xilinx Zynq using UART1"
244                 depends on ARCH_ZYNQ
245                 help
246                   Say Y here if you want the debug print routines to direct
247                   their output to UART1 on the Zynq platform.
248 
249                   If you have a ZC702 board and want early boot messages to
250                   appear on the USB serial adaptor, select this option.
251 
252         config DEBUG_DC21285_PORT
253                 bool "Kernel low-level debugging messages via footbridge serial port"
254                 depends on FOOTBRIDGE
255                 help
256                   Say Y here if you want the debug print routines to direct
257                   their output to the serial port in the DC21285 (Footbridge).
258 
259         config DEBUG_DIGICOLOR_UA0
260                 bool "Kernel low-level debugging messages via Digicolor UA0"
261                 depends on ARCH_DIGICOLOR
262                 help
263                   Say Y here if you want the debug print routines to direct
264                   their output to the UA0 serial port in the CX92755.
265 
266         config DEBUG_FOOTBRIDGE_COM1
267                 bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
268                 depends on FOOTBRIDGE
269                 help
270                   Say Y here if you want the debug print routines to direct
271                   their output to the 8250 at PCI COM1.
272 
273         config DEBUG_HI3620_UART
274                 bool "Hisilicon HI3620 Debug UART"
275                 depends on ARCH_HI3xxx
276                 select DEBUG_UART_PL01X
277                 help
278                   Say Y here if you want kernel low-level debugging support
279                   on HI3620 UART.
280 
281         config DEBUG_HI3716_UART
282                 bool "Hisilicon Hi3716 Debug UART"
283                 depends on ARCH_HI3xxx
284                 select DEBUG_UART_PL01X
285                 help
286                   Say Y here if you want kernel low-level debugging support
287                   on HI3716 UART.
288 
289         config DEBUG_HIGHBANK_UART
290                 bool "Kernel low-level debugging messages via Highbank UART"
291                 depends on ARCH_HIGHBANK
292                 select DEBUG_UART_PL01X
293                 help
294                   Say Y here if you want the debug print routines to direct
295                   their output to the UART on Highbank based devices.
296 
297         config DEBUG_HIP01_UART
298                 bool "Hisilicon Hip01 Debug UART"
299                 depends on ARCH_HIP01
300                 select DEBUG_UART_8250
301                 help
302                   Say Y here if you want kernel low-level debugging support
303                   on HIP01 UART.
304 
305         config DEBUG_HIP04_UART
306                 bool "Hisilicon HiP04 Debug UART"
307                 depends on ARCH_HIP04
308                 select DEBUG_UART_8250
309                 help
310                   Say Y here if you want kernel low-level debugging support
311                   on HIP04 UART.
312 
313         config DEBUG_HIX5HD2_UART
314                 bool "Hisilicon Hix5hd2 Debug UART"
315                 depends on ARCH_HIX5HD2
316                 select DEBUG_UART_PL01X
317                 help
318                   Say Y here if you want kernel low-level debugging support
319                   on Hix5hd2 UART.
320 
321         config DEBUG_IMX1_UART
322                 bool "i.MX1 Debug UART"
323                 depends on SOC_IMX1
324                 help
325                   Say Y here if you want kernel low-level debugging support
326                   on i.MX1.
327 
328         config DEBUG_IMX23_UART
329                 bool "i.MX23 Debug UART"
330                 depends on SOC_IMX23
331                 select DEBUG_UART_PL01X
332                 help
333                   Say Y here if you want kernel low-level debugging support
334                   on i.MX23.
335 
336         config DEBUG_IMX25_UART
337                 bool "i.MX25 Debug UART"
338                 depends on SOC_IMX25
339                 help
340                   Say Y here if you want kernel low-level debugging support
341                   on i.MX25.
342 
343         config DEBUG_IMX21_IMX27_UART
344                 bool "i.MX21 and i.MX27 Debug UART"
345                 depends on SOC_IMX21 || SOC_IMX27
346                 help
347                   Say Y here if you want kernel low-level debugging support
348                   on i.MX21 or i.MX27.
349 
350         config DEBUG_IMX28_UART
351                 bool "i.MX28 Debug UART"
352                 depends on SOC_IMX28
353                 select DEBUG_UART_PL01X
354                 help
355                   Say Y here if you want kernel low-level debugging support
356                   on i.MX28.
357 
358         config DEBUG_IMX31_UART
359                 bool "i.MX31 Debug UART"
360                 depends on SOC_IMX31
361                 help
362                   Say Y here if you want kernel low-level debugging support
363                   on i.MX31.
364 
365         config DEBUG_IMX35_UART
366                 bool "i.MX35 Debug UART"
367                 depends on SOC_IMX35
368                 help
369                   Say Y here if you want kernel low-level debugging support
370                   on i.MX35.
371 
372         config DEBUG_IMX50_UART
373                 bool "i.MX50 Debug UART"
374                 depends on SOC_IMX50
375                 help
376                   Say Y here if you want kernel low-level debugging support
377                   on i.MX50.
378 
379         config DEBUG_IMX51_UART
380                 bool "i.MX51 Debug UART"
381                 depends on SOC_IMX51
382                 help
383                   Say Y here if you want kernel low-level debugging support
384                   on i.MX51.
385 
386         config DEBUG_IMX53_UART
387                 bool "i.MX53 Debug UART"
388                 depends on SOC_IMX53
389                 help
390                   Say Y here if you want kernel low-level debugging support
391                   on i.MX53.
392 
393         config DEBUG_IMX6Q_UART
394                 bool "i.MX6Q/DL Debug UART"
395                 depends on SOC_IMX6Q
396                 help
397                   Say Y here if you want kernel low-level debugging support
398                   on i.MX6Q/DL.
399 
400         config DEBUG_IMX6SL_UART
401                 bool "i.MX6SL Debug UART"
402                 depends on SOC_IMX6SL
403                 help
404                   Say Y here if you want kernel low-level debugging support
405                   on i.MX6SL.
406 
407         config DEBUG_IMX6SX_UART
408                 bool "i.MX6SX Debug UART"
409                 depends on SOC_IMX6SX
410                 help
411                   Say Y here if you want kernel low-level debugging support
412                   on i.MX6SX.
413 
414         config DEBUG_IMX7D_UART
415                 bool "i.MX7D Debug UART"
416                 depends on SOC_IMX7D
417                 help
418                   Say Y here if you want kernel low-level debugging support
419                   on i.MX7D.
420 
421         config DEBUG_KEYSTONE_UART0
422                 bool "Kernel low-level debugging on KEYSTONE2 using UART0"
423                 depends on ARCH_KEYSTONE
424                 select DEBUG_UART_8250
425                 help
426                   Say Y here if you want the debug print routines to direct
427                   their output to UART0 serial port on KEYSTONE2 devices.
428 
429         config DEBUG_KEYSTONE_UART1
430                 bool "Kernel low-level debugging on KEYSTONE2 using UART1"
431                 depends on ARCH_KEYSTONE
432                 select DEBUG_UART_8250
433                 help
434                   Say Y here if you want the debug print routines to direct
435                   their output to UART1 serial port on KEYSTONE2 devices.
436 
437         config DEBUG_KS8695_UART
438                 bool "KS8695 Debug UART"
439                 depends on ARCH_KS8695
440                 help
441                   Say Y here if you want kernel low-level debugging support
442                   on KS8695.
443 
444         config DEBUG_LPC18XX_UART0
445                 bool "Kernel low-level debugging via LPC18xx/43xx UART0"
446                 depends on ARCH_LPC18XX
447                 select DEBUG_UART_8250
448                 help
449                   Say Y here if you want kernel low-level debugging support
450                   on NXP LPC18xx/43xx UART0.
451 
452         config DEBUG_MESON_UARTAO
453                 bool "Kernel low-level debugging via Meson6 UARTAO"
454                 depends on ARCH_MESON
455                 help
456                   Say Y here if you want kernel low-lever debugging support
457                   on Amlogic Meson6 based platforms on the UARTAO.
458 
459         config DEBUG_MMP_UART2
460                 bool "Kernel low-level debugging message via MMP UART2"
461                 depends on ARCH_MMP
462                 select DEBUG_UART_8250
463                 help
464                   Say Y here if you want kernel low-level debugging support
465                   on MMP UART2.
466 
467         config DEBUG_MMP_UART3
468                 bool "Kernel low-level debugging message via MMP UART3"
469                 depends on ARCH_MMP
470                 select DEBUG_UART_8250
471                 help
472                   Say Y here if you want kernel low-level debugging support
473                   on MMP UART3.
474 
475         config DEBUG_QCOM_UARTDM
476                 bool "Kernel low-level debugging messages via QCOM UARTDM"
477                 depends on ARCH_QCOM
478                 help
479                   Say Y here if you want the debug print routines to direct
480                   their output to the serial port on Qualcomm devices.
481 
482                   ARCH      DEBUG_UART_PHYS   DEBUG_UART_VIRT
483                   APQ8064   0x16640000        0xf0040000
484                   APQ8084   0xf995e000        0xfa75e000
485                   MSM8X60   0x19c40000        0xf0040000
486                   MSM8960   0x16440000        0xf0040000
487                   MSM8974   0xf991e000        0xfa71e000
488 
489                   Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration
490                   options based on your needs.
491 
492         config DEBUG_MVEBU_UART0
493                 bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)"
494                 depends on ARCH_MVEBU
495                 select DEBUG_UART_8250
496                 help
497                   Say Y here if you want kernel low-level debugging support
498                   on MVEBU based platforms on UART0.
499 
500                   This option should be used with the old bootloaders
501                   that left the internal registers mapped at
502                   0xd0000000. As of today, this is the case on
503                   platforms such as the Globalscale Mirabox or the
504                   Plathome OpenBlocks AX3, when using the original
505                   bootloader.
506 
507                   If the wrong DEBUG_MVEBU_UART* option is selected,
508                   when u-boot hands over to the kernel, the system
509                   silently crashes, with no serial output at all.
510 
511         config DEBUG_MVEBU_UART0_ALTERNATE
512                 bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)"
513                 depends on ARCH_MVEBU
514                 select DEBUG_UART_8250
515                 help
516                   Say Y here if you want kernel low-level debugging support
517                   on MVEBU based platforms on UART0.
518 
519                   This option should be used with the new bootloaders
520                   that remap the internal registers at 0xf1000000.
521 
522                   If the wrong DEBUG_MVEBU_UART* option is selected,
523                   when u-boot hands over to the kernel, the system
524                   silently crashes, with no serial output at all.
525 
526         config DEBUG_MVEBU_UART1_ALTERNATE
527                 bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)"
528                 depends on ARCH_MVEBU
529                 select DEBUG_UART_8250
530                 help
531                   Say Y here if you want kernel low-level debugging support
532                   on MVEBU based platforms on UART1.
533 
534                   This option should be used with the new bootloaders
535                   that remap the internal registers at 0xf1000000.
536 
537                   If the wrong DEBUG_MVEBU_UART* option is selected,
538                   when u-boot hands over to the kernel, the system
539                   silently crashes, with no serial output at all.
540 
541         config DEBUG_VF_UART
542                 bool "Vybrid UART"
543                 depends on SOC_VF610
544                 help
545                   Say Y here if you want kernel low-level debugging support
546                   on Vybrid based platforms.
547 
548         config DEBUG_NETX_UART
549                 bool "Kernel low-level debugging messages via NetX UART"
550                 depends on ARCH_NETX
551                 help
552                   Say Y here if you want kernel low-level debugging support
553                   on Hilscher NetX based platforms.
554 
555         config DEBUG_NOMADIK_UART
556                 bool "Kernel low-level debugging messages via NOMADIK UART"
557                 depends on ARCH_NOMADIK
558                 select DEBUG_UART_PL01X
559                 help
560                   Say Y here if you want kernel low-level debugging support
561                   on NOMADIK based platforms.
562 
563         config DEBUG_NSPIRE_CLASSIC_UART
564                 bool "Kernel low-level debugging via TI-NSPIRE 8250 UART"
565                 depends on ARCH_NSPIRE
566                 select DEBUG_UART_8250
567                 help
568                   Say Y here if you want kernel low-level debugging support
569                   on TI-NSPIRE classic models.
570 
571         config DEBUG_NSPIRE_CX_UART
572                 bool "Kernel low-level debugging via TI-NSPIRE PL011 UART"
573                 depends on ARCH_NSPIRE
574                 select DEBUG_UART_PL01X
575                 help
576                   Say Y here if you want kernel low-level debugging support
577                   on TI-NSPIRE CX models.
578 
579         config DEBUG_OMAP1UART1
580                 bool "Kernel low-level debugging via OMAP1 UART1"
581                 depends on ARCH_OMAP1
582                 select DEBUG_UART_8250
583                 help
584                   Say Y here if you want kernel low-level debugging support
585                   on OMAP1 based platforms (except OMAP730) on the UART1.
586 
587         config DEBUG_OMAP1UART2
588                 bool "Kernel low-level debugging via OMAP1 UART2"
589                 depends on ARCH_OMAP1
590                 select DEBUG_UART_8250
591                 help
592                   Say Y here if you want kernel low-level debugging support
593                   on OMAP1 based platforms (except OMAP730) on the UART2.
594 
595         config DEBUG_OMAP1UART3
596                 bool "Kernel low-level debugging via OMAP1 UART3"
597                 depends on ARCH_OMAP1
598                 select DEBUG_UART_8250
599                 help
600                   Say Y here if you want kernel low-level debugging support
601                   on OMAP1 based platforms (except OMAP730) on the UART3.
602 
603         config DEBUG_OMAP2UART1
604                 bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)"
605                 depends on ARCH_OMAP2PLUS
606                 select DEBUG_OMAP2PLUS_UART
607                 help
608                   This covers at least h4, 2430sdp, 3430sdp, 3630sdp,
609                   omap3 torpedo and 3530 lv som.
610 
611         config DEBUG_OMAP2UART2
612                 bool "Kernel low-level debugging messages via OMAP2/3/4 UART2"
613                 depends on ARCH_OMAP2PLUS
614                 select DEBUG_OMAP2PLUS_UART
615 
616         config DEBUG_OMAP2UART3
617                 bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
618                 depends on ARCH_OMAP2PLUS
619                 select DEBUG_OMAP2PLUS_UART
620 
621         config DEBUG_OMAP3UART3
622                 bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
623                 depends on ARCH_OMAP2PLUS
624                 select DEBUG_OMAP2PLUS_UART
625                 help
626                   This covers at least cm_t3x, beagle, crane, devkit8000,
627                   igep00x0, ldp, n900, n9(50), pandora, overo, touchbook,
628                   and 3517evm.
629 
630         config DEBUG_OMAP4UART3
631                 bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)"
632                 depends on ARCH_OMAP2PLUS
633                 select DEBUG_OMAP2PLUS_UART
634 
635         config DEBUG_OMAP3UART4
636                 bool "Kernel low-level debugging messages via OMAP36XX UART4"
637                 depends on ARCH_OMAP2PLUS
638                 select DEBUG_OMAP2PLUS_UART
639 
640         config DEBUG_OMAP4UART4
641                 bool "Kernel low-level debugging messages via OMAP4/5 UART4"
642                 depends on ARCH_OMAP2PLUS
643                 select DEBUG_OMAP2PLUS_UART
644 
645         config DEBUG_OMAP7XXUART1
646                 bool "Kernel low-level debugging via OMAP730 UART1"
647                 depends on ARCH_OMAP730
648                 select DEBUG_UART_8250
649                 help
650                   Say Y here if you want kernel low-level debugging support
651                   on OMAP730 based platforms on the UART1.
652 
653         config DEBUG_OMAP7XXUART2
654                 bool "Kernel low-level debugging via OMAP730 UART2"
655                 depends on ARCH_OMAP730
656                 select DEBUG_UART_8250
657                 help
658                   Say Y here if you want kernel low-level debugging support
659                   on OMAP730 based platforms on the UART2.
660 
661         config DEBUG_OMAP7XXUART3
662                 bool "Kernel low-level debugging via OMAP730 UART3"
663                 depends on ARCH_OMAP730
664                 select DEBUG_UART_8250
665                 help
666                   Say Y here if you want kernel low-level debugging support
667                   on OMAP730 based platforms on the UART3.
668 
669         config DEBUG_TI81XXUART1
670                 bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
671                 depends on ARCH_OMAP2PLUS
672                 select DEBUG_OMAP2PLUS_UART
673 
674         config DEBUG_TI81XXUART2
675                 bool "Kernel low-level debugging messages via TI81XX UART2"
676                 depends on ARCH_OMAP2PLUS
677                 select DEBUG_OMAP2PLUS_UART
678 
679         config DEBUG_TI81XXUART3
680                 bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
681                 depends on ARCH_OMAP2PLUS
682                 select DEBUG_OMAP2PLUS_UART
683 
684         config DEBUG_AM33XXUART1
685                 bool "Kernel low-level debugging messages via AM33XX UART1"
686                 depends on ARCH_OMAP2PLUS
687                 select DEBUG_OMAP2PLUS_UART
688 
689         config DEBUG_ZOOM_UART
690                 bool "Kernel low-level debugging messages via Zoom2/3 UART"
691                 depends on ARCH_OMAP2PLUS
692                 select DEBUG_OMAP2PLUS_UART
693 
694         config DEBUG_PICOXCELL_UART
695                 depends on ARCH_PICOXCELL
696                 bool "Use PicoXcell UART for low-level debug"
697                 select DEBUG_UART_8250
698                 help
699                   Say Y here if you want kernel low-level debugging support
700                   on PicoXcell based platforms.
701 
702         config DEBUG_PXA_UART1
703                 depends on ARCH_PXA
704                 bool "Use PXA UART1 for low-level debug"
705                 select DEBUG_UART_8250
706                 help
707                   Say Y here if you want kernel low-level debugging support
708                   on PXA UART1.
709 
710         config DEBUG_REALVIEW_STD_PORT
711                 bool "RealView Default UART"
712                 depends on ARCH_REALVIEW
713                 select DEBUG_UART_PL01X
714                 help
715                   Say Y here if you want the debug print routines to direct
716                   their output to the serial port on RealView EB, PB11MP, PBA8
717                   and PBX platforms.
718 
719         config DEBUG_REALVIEW_PB1176_PORT
720                 bool "RealView PB1176 UART"
721                 depends on MACH_REALVIEW_PB1176
722                 select DEBUG_UART_PL01X
723                 help
724                   Say Y here if you want the debug print routines to direct
725                   their output to the standard serial port on the RealView
726                   PB1176 platform.
727 
728         config DEBUG_RK29_UART0
729                 bool "Kernel low-level debugging messages via Rockchip RK29 UART0"
730                 depends on ARCH_ROCKCHIP
731                 select DEBUG_UART_8250
732                 help
733                   Say Y here if you want kernel low-level debugging support
734                   on Rockchip based platforms.
735 
736         config DEBUG_RK29_UART1
737                 bool "Kernel low-level debugging messages via Rockchip RK29 UART1"
738                 depends on ARCH_ROCKCHIP
739                 select DEBUG_UART_8250
740                 help
741                   Say Y here if you want kernel low-level debugging support
742                   on Rockchip based platforms.
743 
744         config DEBUG_RK29_UART2
745                 bool "Kernel low-level debugging messages via Rockchip RK29 UART2"
746                 depends on ARCH_ROCKCHIP
747                 select DEBUG_UART_8250
748                 help
749                   Say Y here if you want kernel low-level debugging support
750                   on Rockchip based platforms.
751 
752         config DEBUG_RK3X_UART0
753                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0"
754                 depends on ARCH_ROCKCHIP
755                 select DEBUG_UART_8250
756                 help
757                   Say Y here if you want kernel low-level debugging support
758                   on Rockchip based platforms.
759 
760         config DEBUG_RK3X_UART1
761                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1"
762                 depends on ARCH_ROCKCHIP
763                 select DEBUG_UART_8250
764                 help
765                   Say Y here if you want kernel low-level debugging support
766                   on Rockchip based platforms.
767 
768         config DEBUG_RK3X_UART2
769                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2"
770                 depends on ARCH_ROCKCHIP
771                 select DEBUG_UART_8250
772                 help
773                   Say Y here if you want kernel low-level debugging support
774                   on Rockchip based platforms.
775 
776         config DEBUG_RK3X_UART3
777                 bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3"
778                 depends on ARCH_ROCKCHIP
779                 select DEBUG_UART_8250
780                 help
781                   Say Y here if you want kernel low-level debugging support
782                   on Rockchip based platforms.
783 
784         config DEBUG_RK32_UART2
785                 bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
786                 depends on ARCH_ROCKCHIP
787                 select DEBUG_UART_8250
788                 help
789                   Say Y here if you want kernel low-level debugging support
790                   on Rockchip RK32xx based platforms.
791 
792         config DEBUG_R7S72100_SCIF2
793                 bool "Kernel low-level debugging messages via SCIF2 on R7S72100"
794                 depends on ARCH_R7S72100
795                 help
796                   Say Y here if you want kernel low-level debugging support
797                   via SCIF2 on Renesas RZ/A1H (R7S72100).
798 
799         config DEBUG_RCAR_GEN1_SCIF0
800                 bool "Kernel low-level debugging messages via SCIF0 on R8A7778"
801                 depends on ARCH_R8A7778
802                 help
803                   Say Y here if you want kernel low-level debugging support
804                   via SCIF0 on Renesas R-Car M1A (R8A7778).
805 
806         config DEBUG_RCAR_GEN1_SCIF2
807                 bool "Kernel low-level debugging messages via SCIF2 on R8A7779"
808                 depends on ARCH_R8A7779
809                 help
810                   Say Y here if you want kernel low-level debugging support
811                   via SCIF2 on Renesas R-Car H1 (R8A7779).
812 
813         config DEBUG_RCAR_GEN2_SCIF0
814                 bool "Kernel low-level debugging messages via SCIF0 on R8A7790/R8A7791/R8A7793"
815                 depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793
816                 help
817                   Say Y here if you want kernel low-level debugging support
818                   via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), or
819                   M2-N (R8A7793).
820 
821         config DEBUG_RCAR_GEN2_SCIF2
822                 bool "Kernel low-level debugging messages via SCIF2 on R8A7794"
823                 depends on ARCH_R8A7794
824                 help
825                   Say Y here if you want kernel low-level debugging support
826                   via SCIF2 on Renesas R-Car E2 (R8A7794).
827 
828         config DEBUG_RMOBILE_SCIFA0
829                 bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
830                 depends on ARCH_R8A73A4
831                 help
832                   Say Y here if you want kernel low-level debugging support
833                   via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4).
834 
835         config DEBUG_RMOBILE_SCIFA1
836                 bool "Kernel low-level debugging messages via SCIFA1 on R8A7740"
837                 depends on ARCH_R8A7740
838                 help
839                   Say Y here if you want kernel low-level debugging support
840                   via SCIFA1 on Renesas R-Mobile A1 (R8A7740).
841 
842         config DEBUG_RMOBILE_SCIFA4
843                 bool "Kernel low-level debugging messages via SCIFA4 on SH73A0"
844                 depends on ARCH_SH73A0
845                 help
846                   Say Y here if you want kernel low-level debugging support
847                   via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0).
848 
849         config DEBUG_S3C_UART0
850                 depends on PLAT_SAMSUNG
851                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
852                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
853                 select DEBUG_S5PV210_UART if ARCH_S5PV210
854                 bool "Use Samsung S3C 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_S3C_UART1
861                 depends on PLAT_SAMSUNG
862                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
863                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
864                 select DEBUG_S5PV210_UART if ARCH_S5PV210
865                 bool "Use Samsung S3C UART 1 for low-level debug"
866                 help
867                   Say Y here if you want the debug print routines to direct
868                   their output to UART 1. The port must have been initialised
869                   by the boot-loader before use.
870 
871         config DEBUG_S3C_UART2
872                 depends on PLAT_SAMSUNG
873                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
874                 select DEBUG_S3C24XX_UART if ARCH_S3C24XX
875                 select DEBUG_S5PV210_UART if ARCH_S5PV210
876                 bool "Use Samsung S3C UART 2 for low-level debug"
877                 help
878                   Say Y here if you want the debug print routines to direct
879                   their output to UART 2. The port must have been initialised
880                   by the boot-loader before use.
881 
882         config DEBUG_S3C_UART3
883                 depends on PLAT_SAMSUNG && (ARCH_EXYNOS || ARCH_S5PV210)
884                 select DEBUG_EXYNOS_UART if ARCH_EXYNOS
885                 select DEBUG_S5PV210_UART if ARCH_S5PV210
886                 bool "Use Samsung S3C UART 3 for low-level debug"
887                 help
888                   Say Y here if you want the debug print routines to direct
889                   their output to UART 3. The port must have been initialised
890                   by the boot-loader before use.
891 
892         config DEBUG_S3C2410_UART0
893                 depends on ARCH_S3C24XX
894                 select DEBUG_S3C2410_UART
895                 bool "Use S3C2410/S3C2412 UART 0 for low-level debug"
896                 help
897                   Say Y here if you want the debug print routines to direct
898                   their output to UART 0. The port must have been initialised
899                   by the boot-loader before use.
900 
901         config DEBUG_S3C2410_UART1
902                 depends on ARCH_S3C24XX
903                 select DEBUG_S3C2410_UART
904                 bool "Use S3C2410/S3C2412 UART 1 for low-level debug"
905                 help
906                   Say Y here if you want the debug print routines to direct
907                   their output to UART 1. The port must have been initialised
908                   by the boot-loader before use.
909 
910         config DEBUG_S3C2410_UART2
911                 depends on ARCH_S3C24XX
912                 select DEBUG_S3C2410_UART
913                 bool "Use S3C2410/S3C2412 UART 2 for low-level debug"
914                 help
915                   Say Y here if you want the debug print routines to direct
916                   their output to UART 2. The port must have been initialised
917                   by the boot-loader before use.
918 
919         config DEBUG_SA1100
920                 depends on ARCH_SA1100
921                 bool "Use SA1100 UARTs for low-level debug"
922                 help
923                   Say Y here if you want kernel low-level debugging support
924                   on SA-11x0 UART ports. The kernel will check for the first
925                   enabled UART in a sequence 3-1-2.
926 
927         config DEBUG_SOCFPGA_UART0
928                 depends on ARCH_SOCFPGA
929                 bool "Use SOCFPGA UART0 for low-level debug"
930                 select DEBUG_UART_8250
931                 help
932                   Say Y here if you want kernel low-level debugging support
933                   on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
934 
935         config DEBUG_SOCFPGA_UART1
936                 depends on ARCH_SOCFPGA
937                 bool "Use SOCFPGA UART1 for low-level debug"
938                 select DEBUG_UART_8250
939                 help
940                   Say Y here if you want kernel low-level debugging support
941                   on SOCFPGA(Arria 10) based platforms.
942 
943 
944         config DEBUG_SUN9I_UART0
945                 bool "Kernel low-level debugging messages via sun9i UART0"
946                 depends on MACH_SUN9I
947                 select DEBUG_UART_8250
948                 help
949                   Say Y here if you want kernel low-level debugging support
950                   on Allwinner A80 based platforms on the UART0.
951 
952         config DEBUG_SUNXI_UART0
953                 bool "Kernel low-level debugging messages via sunXi UART0"
954                 depends on ARCH_SUNXI
955                 select DEBUG_UART_8250
956                 help
957                   Say Y here if you want kernel low-level debugging support
958                   on Allwinner A1X based platforms on the UART0.
959 
960         config DEBUG_SUNXI_UART1
961                 bool "Kernel low-level debugging messages via sunXi UART1"
962                 depends on ARCH_SUNXI
963                 select DEBUG_UART_8250
964                 help
965                   Say Y here if you want kernel low-level debugging support
966                   on Allwinner A1X based platforms on the UART1.
967 
968         config DEBUG_SUNXI_R_UART
969                 bool "Kernel low-level debugging messages via sunXi R_UART"
970                 depends on MACH_SUN6I || MACH_SUN8I
971                 select DEBUG_UART_8250
972                 help
973                   Say Y here if you want kernel low-level debugging support
974                   on Allwinner A31/A23 based platforms on the R_UART.
975 
976         config TEGRA_DEBUG_UART_AUTO_ODMDATA
977                 bool "Kernel low-level debugging messages via Tegra UART via ODMDATA"
978                 depends on ARCH_TEGRA
979                 select DEBUG_TEGRA_UART
980                 help
981                   Automatically determines which UART to use for low-level
982                   debug based on the ODMDATA value. This value is part of
983                   the BCT, and is written to the boot memory device using
984                   nvflash, or other flashing tool.  When bits 19:18 are 3,
985                   then bits 17:15 indicate which UART to use; 0/1/2/3/4
986                   are UART A/B/C/D/E.
987 
988         config TEGRA_DEBUG_UARTA
989                 bool "Kernel low-level debugging messages via Tegra UART A"
990                 depends on ARCH_TEGRA
991                 select DEBUG_TEGRA_UART
992                 help
993                   Say Y here if you want kernel low-level debugging support
994                   on Tegra based platforms.
995 
996         config TEGRA_DEBUG_UARTB
997                 bool "Kernel low-level debugging messages via Tegra UART B"
998                 depends on ARCH_TEGRA
999                 select DEBUG_TEGRA_UART
1000                 help
1001                   Say Y here if you want kernel low-level debugging support
1002                   on Tegra based platforms.
1003 
1004         config TEGRA_DEBUG_UARTC
1005                 bool "Kernel low-level debugging messages via Tegra UART C"
1006                 depends on ARCH_TEGRA
1007                 select DEBUG_TEGRA_UART
1008                 help
1009                   Say Y here if you want kernel low-level debugging support
1010                   on Tegra based platforms.
1011 
1012         config TEGRA_DEBUG_UARTD
1013                 bool "Kernel low-level debugging messages via Tegra UART D"
1014                 depends on ARCH_TEGRA
1015                 select DEBUG_TEGRA_UART
1016                 help
1017                   Say Y here if you want kernel low-level debugging support
1018                   on Tegra based platforms.
1019 
1020         config TEGRA_DEBUG_UARTE
1021                 bool "Kernel low-level debugging messages via Tegra UART E"
1022                 depends on ARCH_TEGRA
1023                 select DEBUG_TEGRA_UART
1024                 help
1025                   Say Y here if you want kernel low-level debugging support
1026                   on Tegra based platforms.
1027 
1028         config DEBUG_SIRFPRIMA2_UART1
1029                 bool "Kernel low-level debugging messages via SiRFprimaII UART1"
1030                 depends on ARCH_PRIMA2
1031                 select DEBUG_SIRFSOC_UART
1032                 help
1033                   Say Y here if you want the debug print routines to direct
1034                   their output to the uart1 port on SiRFprimaII devices.
1035 
1036         config DEBUG_SIRFATLAS7_UART0
1037                 bool "Kernel low-level debugging messages via SiRFatlas7 UART0"
1038                 depends on ARCH_ATLAS7
1039                 select DEBUG_SIRFSOC_UART
1040                 help
1041                   Say Y here if you want the debug print routines to direct
1042                   their output to the uart0 port on SiRFATLAS7 devices.The uart0
1043                   is used on SiRFATLAS7 as a extra debug port.sometimes an extra
1044                   debug port can be very useful.
1045 
1046         config DEBUG_SIRFATLAS7_UART1
1047                 bool "Kernel low-level debugging messages via SiRFatlas7 UART1"
1048                 depends on ARCH_ATLAS7
1049                 select DEBUG_SIRFSOC_UART
1050                 help
1051                   Say Y here if you want the debug print routines to direct
1052                   their output to the uart1 port on SiRFATLAS7 devices.
1053 
1054         config STIH41X_DEBUG_ASC2
1055                 bool "Use StiH415/416 ASC2 UART for low-level debug"
1056                 depends on ARCH_STI
1057                 select DEBUG_STI_UART
1058                 help
1059                   Say Y here if you want kernel low-level debugging support
1060                   on STiH415/416 based platforms like b2000, which has
1061                   default UART wired up to ASC2.
1062 
1063                   If unsure, say N.
1064 
1065         config STIH41X_DEBUG_SBC_ASC1
1066                 bool "Use StiH415/416 SBC ASC1 UART for low-level debug"
1067                 depends on ARCH_STI
1068                 select DEBUG_STI_UART
1069                 help
1070                   Say Y here if you want kernel low-level debugging support
1071                   on STiH415/416 based platforms like b2020. which has
1072                   default UART wired up to SBC ASC1.
1073 
1074                   If unsure, say N.
1075 
1076         config DEBUG_U300_UART
1077                 bool "Kernel low-level debugging messages via U300 UART0"
1078                 depends on ARCH_U300
1079                 select DEBUG_UART_PL01X
1080                 help
1081                   Say Y here if you want the debug print routines to direct
1082                   their output to the uart port on U300 devices.
1083 
1084         config DEBUG_UX500_UART
1085                 depends on ARCH_U8500
1086                 bool "Use Ux500 UART for low-level debug"
1087                 help
1088                   Say Y here if you want kernel low-level debugging support
1089                   on Ux500 based platforms.
1090 
1091         config DEBUG_MT6589_UART0
1092                 bool "Mediatek mt6589 UART0"
1093                 depends on ARCH_MEDIATEK
1094                 select DEBUG_UART_8250
1095                 help
1096                   Say Y here if you want kernel low-level debugging support
1097                   for Mediatek mt6589 based platforms on UART0.
1098 
1099         config DEBUG_MT8127_UART0
1100                 bool "Mediatek mt8127/mt6592 UART0"
1101                 depends on ARCH_MEDIATEK
1102                 select DEBUG_UART_8250
1103                 help
1104                   Say Y here if you want kernel low-level debugging support
1105                   for Mediatek mt8127 based platforms on UART0.
1106 
1107         config DEBUG_MT8135_UART3
1108                 bool "Mediatek mt8135 UART3"
1109                 depends on ARCH_MEDIATEK
1110                 select DEBUG_UART_8250
1111                 help
1112                   Say Y here if you want kernel low-level debugging support
1113                   for Mediatek mt8135 based platforms on UART3.
1114 
1115         config DEBUG_VEXPRESS_UART0_DETECT
1116                 bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
1117                 depends on ARCH_VEXPRESS && CPU_CP15_MMU
1118                 help
1119                   This option enables a simple heuristic which tries to determine
1120                   the motherboard's memory map variant (original or RS1) and then
1121                   choose the relevant UART0 base address.
1122 
1123                   Note that this will only work with standard A-class core tiles,
1124                   and may fail with non-standard SMM or custom software models.
1125 
1126         config DEBUG_VEXPRESS_UART0_CA9
1127                 bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)"
1128                 depends on ARCH_VEXPRESS
1129                 select DEBUG_UART_PL01X
1130                 help
1131                   This option selects UART0 at 0x10009000. Except for custom models,
1132                   this applies only to the V2P-CA9 tile.
1133 
1134         config DEBUG_VEXPRESS_UART0_RS1
1135                 bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)"
1136                 depends on ARCH_VEXPRESS
1137                 select DEBUG_UART_PL01X
1138                 help
1139                   This option selects UART0 at 0x1c090000. This applies to most
1140                   of the tiles using the RS1 memory map, including all new A-class
1141                   core tiles, FPGA-based SMMs and software models.
1142 
1143         config DEBUG_VEXPRESS_UART0_CRX
1144                 bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
1145                 depends on ARCH_VEXPRESS && !MMU
1146                 select DEBUG_UART_PL01X
1147                 help
1148                   This option selects UART0 at 0xb0090000. This is appropriate for
1149                   Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
1150 
1151         config DEBUG_VT8500_UART0
1152                 bool "Use UART0 on VIA/Wondermedia SoCs"
1153                 depends on ARCH_VT8500
1154                 help
1155                   This option selects UART0 on VIA/Wondermedia System-on-a-chip
1156                   devices, including VT8500, WM8505, WM8650 and WM8850.
1157 
1158         config DEBUG_ICEDCC
1159                 bool "Kernel low-level debugging via EmbeddedICE DCC channel"
1160                 help
1161                   Say Y here if you want the debug print routines to direct
1162                   their output to the EmbeddedICE macrocell's DCC channel using
1163                   co-processor 14. This is known to work on the ARM9 style ICE
1164                   channel and on the XScale with the PEEDI.
1165 
1166                   Note that the system will appear to hang during boot if there
1167                   is nothing connected to read from the DCC.
1168 
1169         config DEBUG_SEMIHOSTING
1170                 bool "Kernel low-level debug output via semihosting I/O"
1171                 help
1172                   Semihosting enables code running on an ARM target to use
1173                   the I/O facilities on a host debugger/emulator through a
1174                   simple SVC call. The host debugger or emulator must have
1175                   semihosting enabled for the special svc call to be trapped
1176                   otherwise the kernel will crash.
1177 
1178                   This is known to work with OpenOCD, as well as
1179                   ARM's Fast Models, or any other controlling environment
1180                   that implements semihosting.
1181 
1182                   For more details about semihosting, please see
1183                   chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
1184 
1185         config DEBUG_ZTE_ZX
1186                 bool "Use ZTE ZX UART"
1187                 select DEBUG_UART_PL01X
1188                 depends on ARCH_ZX
1189                 help
1190                   Say Y here if you are enabling ZTE ZX296702 SOC and need
1191                   debug uart support.
1192 
1193                   This option is preferred over the platform specific
1194                   options; the platform specific options are deprecated
1195                   and will be soon removed.
1196 
1197         config DEBUG_LL_UART_8250
1198                 bool "Kernel low-level debugging via 8250 UART"
1199                 help
1200                   Say Y here if you wish the debug print routes to direct
1201                   their output to an 8250 UART.  You can use this option
1202                   to provide the parameters for the 8250 UART rather than
1203                   selecting one of the platform specific options above if
1204                   you know the parameters for the port.
1205 
1206                   This option is preferred over the platform specific
1207                   options; the platform specific options are deprecated
1208                   and will be soon removed.
1209 
1210         config DEBUG_LL_UART_EFM32
1211                 bool "Kernel low-level debugging via efm32 UART"
1212                 depends on ARCH_EFM32
1213                 help
1214                   Say Y here if you want the debug print routines to direct
1215                   their output to an UART or USART port on efm32 based
1216                   machines. Use the following addresses for DEBUG_UART_PHYS:
1217 
1218                     0x4000c000 | USART0
1219                     0x4000c400 | USART1
1220                     0x4000c800 | USART2
1221                     0x4000e000 | UART0
1222                     0x4000e400 | UART1
1223 
1224         config DEBUG_LL_UART_PL01X
1225                 bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART"
1226                 help
1227                   Say Y here if you wish the debug print routes to direct
1228                   their output to a PL01x Primecell UART.  You can use
1229                   this option to provide the parameters for the UART
1230                   rather than selecting one of the platform specific
1231                   options above if you know the parameters for the port.
1232 
1233                   This option is preferred over the platform specific
1234                   options; the platform specific options are deprecated
1235                   and will be soon removed.
1236 
1237 endchoice
1238 
1239 config DEBUG_AT91_UART
1240         bool
1241         depends on ARCH_AT91
1242 
1243 config DEBUG_EXYNOS_UART
1244         bool
1245 
1246 config DEBUG_S3C2410_UART
1247         bool
1248         select DEBUG_S3C24XX_UART
1249 
1250 config DEBUG_S3C24XX_UART
1251         bool
1252 
1253 config DEBUG_S5PV210_UART
1254         bool
1255 
1256 config DEBUG_OMAP2PLUS_UART
1257         bool
1258         depends on ARCH_OMAP2PLUS
1259 
1260 config DEBUG_IMX_UART_PORT
1261         int "i.MX Debug UART Port Selection" if DEBUG_IMX1_UART || \
1262                                                 DEBUG_IMX25_UART || \
1263                                                 DEBUG_IMX21_IMX27_UART || \
1264                                                 DEBUG_IMX31_UART || \
1265                                                 DEBUG_IMX35_UART || \
1266                                                 DEBUG_IMX50_UART || \
1267                                                 DEBUG_IMX51_UART || \
1268                                                 DEBUG_IMX53_UART || \
1269                                                 DEBUG_IMX6Q_UART || \
1270                                                 DEBUG_IMX6SL_UART || \
1271                                                 DEBUG_IMX6SX_UART || \
1272                                                 DEBUG_IMX7D_UART
1273         default 1
1274         depends on ARCH_MXC
1275         help
1276           Choose UART port on which kernel low-level debug messages
1277           should be output.
1278 
1279 config DEBUG_VF_UART_PORT
1280         int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART
1281         default 1
1282         range 0 3
1283         depends on SOC_VF610
1284         help
1285           Choose UART port on which kernel low-level debug messages
1286           should be output.
1287 
1288 config DEBUG_TEGRA_UART
1289         bool
1290         depends on ARCH_TEGRA
1291 
1292 config DEBUG_STI_UART
1293         bool
1294         depends on ARCH_STI
1295 
1296 config DEBUG_SIRFSOC_UART
1297         bool
1298         depends on ARCH_SIRF
1299 
1300 config DEBUG_LL_INCLUDE
1301         string
1302         default "debug/sa1100.S" if DEBUG_SA1100
1303         default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
1304         default "debug/at91.S" if DEBUG_AT91_UART
1305         default "debug/asm9260.S" if DEBUG_ASM9260_UART
1306         default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
1307         default "debug/meson.S" if DEBUG_MESON_UARTAO
1308         default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X
1309         default "debug/exynos.S" if DEBUG_EXYNOS_UART
1310         default "debug/efm32.S" if DEBUG_LL_UART_EFM32
1311         default "debug/icedcc.S" if DEBUG_ICEDCC
1312         default "debug/imx.S" if DEBUG_IMX1_UART || \
1313                                  DEBUG_IMX25_UART || \
1314                                  DEBUG_IMX21_IMX27_UART || \
1315                                  DEBUG_IMX31_UART || \
1316                                  DEBUG_IMX35_UART || \
1317                                  DEBUG_IMX50_UART || \
1318                                  DEBUG_IMX51_UART || \
1319                                  DEBUG_IMX53_UART ||\
1320                                  DEBUG_IMX6Q_UART || \
1321                                  DEBUG_IMX6SL_UART || \
1322                                  DEBUG_IMX6SX_UART || \
1323                                  DEBUG_IMX7D_UART
1324         default "debug/ks8695.S" if DEBUG_KS8695_UART
1325         default "debug/msm.S" if DEBUG_QCOM_UARTDM
1326         default "debug/netx.S" if DEBUG_NETX_UART
1327         default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
1328         default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
1329         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
1330         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2
1331         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0
1332         default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
1333         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
1334         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
1335         default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
1336         default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART
1337         default "debug/s5pv210.S" if DEBUG_S5PV210_UART
1338         default "debug/sirf.S" if DEBUG_SIRFSOC_UART
1339         default "debug/sti.S" if DEBUG_STI_UART
1340         default "debug/tegra.S" if DEBUG_TEGRA_UART
1341         default "debug/ux500.S" if DEBUG_UX500_UART
1342         default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT
1343         default "debug/vf.S" if DEBUG_VF_UART
1344         default "debug/vt8500.S" if DEBUG_VT8500_UART0
1345         default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
1346         default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX
1347         default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0
1348         default "mach/debug-macro.S"
1349 
1350 # Compatibility options for PL01x
1351 config DEBUG_UART_PL01X
1352         bool
1353 
1354 # Compatibility options for 8250
1355 config DEBUG_UART_8250
1356         def_bool ARCH_DOVE || ARCH_EBSA110 || \
1357                 (FOOTBRIDGE && !DEBUG_DC21285_PORT) || \
1358                 ARCH_GEMINI || ARCH_IOP13XX || ARCH_IOP32X || \
1359                 ARCH_IOP33X || ARCH_IXP4XX || \
1360                 ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC
1361 
1362 # Compatibility options for BCM63xx
1363 config DEBUG_UART_BCM63XX
1364         def_bool ARCH_BCM_63XX
1365 
1366 config DEBUG_UART_PHYS
1367         hex "Physical base address of debug UART"
1368         default 0x00100a00 if DEBUG_NETX_UART
1369         default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
1370         default 0x01c28000 if DEBUG_SUNXI_UART0
1371         default 0x01c28400 if DEBUG_SUNXI_UART1
1372         default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1
1373         default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2
1374         default 0x01f02800 if DEBUG_SUNXI_R_UART
1375         default 0x02530c00 if DEBUG_KEYSTONE_UART0
1376         default 0x02531000 if DEBUG_KEYSTONE_UART1
1377         default 0x03010fe0 if ARCH_RPC
1378         default 0x07000000 if DEBUG_SUN9I_UART0
1379         default 0x09405000 if DEBUG_ZTE_ZX
1380         default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
1381                                 DEBUG_VEXPRESS_UART0_CA9
1382         default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
1383         default 0x10124000 if DEBUG_RK3X_UART0
1384         default 0x10126000 if DEBUG_RK3X_UART1
1385         default 0x101f1000 if ARCH_VERSATILE
1386         default 0x101fb000 if DEBUG_NOMADIK_UART
1387         default 0x11002000 if DEBUG_MT8127_UART0
1388         default 0x11006000 if DEBUG_MT6589_UART0
1389         default 0x11009000 if DEBUG_MT8135_UART3
1390         default 0x16000000 if ARCH_INTEGRATOR
1391         default 0x18000300 if DEBUG_BCM_5301X
1392         default 0x18010000 if DEBUG_SIRFATLAS7_UART0
1393         default 0x18020000 if DEBUG_SIRFATLAS7_UART1
1394         default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1
1395         default 0x20001000 if DEBUG_HIP01_UART
1396         default 0x20060000 if DEBUG_RK29_UART0
1397         default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1398         default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1399         default 0x20201000 if DEBUG_BCM2835
1400         default 0x3e000000 if DEBUG_BCM_KONA_UART
1401         default 0x4000e400 if DEBUG_LL_UART_EFM32
1402         default 0x40081000 if DEBUG_LPC18XX_UART0
1403         default 0x40090000 if ARCH_LPC32XX
1404         default 0x40100000 if DEBUG_PXA_UART1
1405         default 0x42000000 if ARCH_GEMINI
1406         default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1407                                 DEBUG_S3C2410_UART0)
1408         default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1409                                 DEBUG_S3C2410_UART1)
1410         default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1411                                 DEBUG_S3C2410_UART2)
1412         default 0x78000000 if DEBUG_CNS3XXX
1413         default 0x7c0003f8 if FOOTBRIDGE
1414         default 0x80010000 if DEBUG_ASM9260_UART
1415         default 0x80070000 if DEBUG_IMX23_UART
1416         default 0x80074000 if DEBUG_IMX28_UART
1417         default 0x80230000 if DEBUG_PICOXCELL_UART
1418         default 0x808c0000 if ARCH_EP93XX
1419         default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1420         default 0xb0060000 if DEBUG_SIRFPRIMA2_UART1
1421         default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
1422         default 0xc0013000 if DEBUG_U300_UART
1423         default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1424         default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1425         default 0xd0000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1426         default 0xd0012000 if DEBUG_MVEBU_UART0
1427         default 0xc81004c0 if DEBUG_MESON_UARTAO
1428         default 0xd4017000 if DEBUG_MMP_UART2
1429         default 0xd4018000 if DEBUG_MMP_UART3
1430         default 0xe0000000 if ARCH_SPEAR13XX
1431         default 0xe4007000 if DEBUG_HIP04_UART
1432         default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
1433         default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
1434         default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
1435         default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
1436         default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
1437         default 0xe8008000 if DEBUG_R7S72100_SCIF2
1438         default 0xf0000be0 if ARCH_EBSA110
1439         default 0xf040ab00 if DEBUG_BRCMSTB_UART
1440         default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
1441         default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
1442         default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \
1443                                 ARCH_ORION5X
1444         default 0xf7fc9000 if DEBUG_BERLIN_UART
1445         default 0xf8b00000 if DEBUG_HIX5HD2_UART
1446         default 0xf991e000 if DEBUG_QCOM_UARTDM
1447         default 0xfcb00000 if DEBUG_HI3620_UART
1448         default 0xfd883000 if DEBUG_ALPINE_UART0
1449         default 0xfe800000 if ARCH_IOP32X
1450         default 0xff690000 if DEBUG_RK32_UART2
1451         default 0xffc02000 if DEBUG_SOCFPGA_UART0
1452         default 0xffc02100 if DEBUG_SOCFPGA_UART1
1453         default 0xffd82340 if ARCH_IOP13XX
1454         default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0
1455         default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2
1456         default 0xfff36000 if DEBUG_HIGHBANK_UART
1457         default 0xfffb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1458         default 0xfffb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1459         default 0xfffb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1460         default 0xfffe8600 if DEBUG_UART_BCM63XX
1461         default 0xfffff700 if ARCH_IOP33X
1462         depends on ARCH_EP93XX || \
1463                 DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1464                 DEBUG_LL_UART_EFM32 || \
1465                 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1466                 DEBUG_NETX_UART || \
1467                 DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
1468                 DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
1469                 DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF2 || \
1470                 DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
1471                 DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
1472                 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
1473                 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
1474 
1475 config DEBUG_UART_VIRT
1476         hex "Virtual base address of debug UART"
1477         default 0xe0000a00 if DEBUG_NETX_UART
1478         default 0xe0010fe0 if ARCH_RPC
1479         default 0xf0000be0 if ARCH_EBSA110
1480         default 0xf0010000 if DEBUG_ASM9260_UART
1481         default 0xf01fb000 if DEBUG_NOMADIK_UART
1482         default 0xf0201000 if DEBUG_BCM2835
1483         default 0xf1000300 if DEBUG_BCM_5301X
1484         default 0xf1002000 if DEBUG_MT8127_UART0
1485         default 0xf1006000 if DEBUG_MT6589_UART0
1486         default 0xf1009000 if DEBUG_MT8135_UART3
1487         default 0xf11f1000 if ARCH_VERSATILE
1488         default 0xf1600000 if ARCH_INTEGRATOR
1489         default 0xf1c28000 if DEBUG_SUNXI_UART0
1490         default 0xf1c28400 if DEBUG_SUNXI_UART1
1491         default 0xf1f02800 if DEBUG_SUNXI_R_UART
1492         default 0xf6200000 if DEBUG_PXA_UART1
1493         default 0xf4090000 if ARCH_LPC32XX
1494         default 0xf4200000 if ARCH_GEMINI
1495         default 0xf7000000 if DEBUG_SUN9I_UART0
1496         default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
1497                                 DEBUG_S3C2410_UART0)
1498         default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \
1499                                 DEBUG_S3C2410_UART1)
1500         default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \
1501                                 DEBUG_S3C2410_UART2)
1502         default 0xf7fc9000 if DEBUG_BERLIN_UART
1503         default 0xf8007000 if DEBUG_HIP04_UART
1504         default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9
1505         default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1
1506         default 0xfa71e000 if DEBUG_QCOM_UARTDM
1507         default 0xfb002000 if DEBUG_CNS3XXX
1508         default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
1509         default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
1510         default 0xfc40ab00 if DEBUG_BRCMSTB_UART
1511         default 0xfc705000 if DEBUG_ZTE_ZX
1512         default 0xfcfe8600 if DEBUG_UART_BCM63XX
1513         default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
1514         default 0xfd000000 if ARCH_SPEAR13XX
1515         default 0xfd012000 if ARCH_MV78XX0
1516         default 0xfd883000 if DEBUG_ALPINE_UART0
1517         default 0xfde12000 if ARCH_DOVE
1518         default 0xfe012000 if ARCH_ORION5X
1519         default 0xf31004c0 if DEBUG_MESON_UARTAO
1520         default 0xfe017000 if DEBUG_MMP_UART2
1521         default 0xfe018000 if DEBUG_MMP_UART3
1522         default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
1523         default 0xfe230000 if DEBUG_PICOXCELL_UART
1524         default 0xfe300000 if DEBUG_BCM_KONA_UART
1525         default 0xfe800000 if ARCH_IOP32X
1526         default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART
1527         default 0xfeb24000 if DEBUG_RK3X_UART0
1528         default 0xfeb26000 if DEBUG_RK3X_UART1
1529         default 0xfeb30c00 if DEBUG_KEYSTONE_UART0
1530         default 0xfeb31000 if DEBUG_KEYSTONE_UART1
1531         default 0xfec02000 if DEBUG_SOCFPGA_UART0
1532         default 0xfec02100 if DEBUG_SOCFPGA_UART1
1533         default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
1534         default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
1535         default 0xfec10000 if DEBUG_SIRFATLAS7_UART0
1536         default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
1537         default 0xfec20000 if DEBUG_SIRFATLAS7_UART1
1538         default 0xfec60000 if DEBUG_SIRFPRIMA2_UART1
1539         default 0xfec90000 if DEBUG_RK32_UART2
1540         default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
1541         default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
1542         default 0xfed60000 if DEBUG_RK29_UART0
1543         default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
1544         default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
1545         default 0xfedc0000 if ARCH_EP93XX
1546         default 0xfee003f8 if FOOTBRIDGE
1547         default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART
1548         default 0xfee82340 if ARCH_IOP13XX
1549         default 0xfef00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN
1550         default 0xfef00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN
1551         default 0xfef36000 if DEBUG_HIGHBANK_UART
1552         default 0xfefb0000 if DEBUG_OMAP1UART1 || DEBUG_OMAP7XXUART1
1553         default 0xfefb0800 if DEBUG_OMAP1UART2 || DEBUG_OMAP7XXUART2
1554         default 0xfefb9800 if DEBUG_OMAP1UART3 || DEBUG_OMAP7XXUART3
1555         default 0xfefff700 if ARCH_IOP33X
1556         default 0xff003000 if DEBUG_U300_UART
1557         default 0xffd01000 if DEBUG_HIP01_UART
1558         default DEBUG_UART_PHYS if !MMU
1559         depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
1560                 DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
1561                 DEBUG_NETX_UART || \
1562                 DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
1563                 DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
1564                 DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
1565 
1566 config DEBUG_UART_8250_SHIFT
1567         int "Register offset shift for the 8250 debug UART"
1568         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1569         default 0 if FOOTBRIDGE || ARCH_IOP32X || DEBUG_BCM_5301X || \
1570                 DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || DEBUG_OMAP7XXUART3
1571         default 2
1572 
1573 config DEBUG_UART_8250_WORD
1574         bool "Use 32-bit accesses for 8250 UART"
1575         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1576         depends on DEBUG_UART_8250_SHIFT >= 2
1577         default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART0 || \
1578                 DEBUG_SOCFPGA_UART1 || ARCH_KEYSTONE || \
1579                 DEBUG_ALPINE_UART0 || \
1580                 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
1581                 DEBUG_DAVINCI_DA8XX_UART2 || \
1582                 DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
1583                 DEBUG_BRCMSTB_UART
1584 
1585 config DEBUG_UART_8250_FLOW_CONTROL
1586         bool "Enable flow control for 8250 UART"
1587         depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
1588         default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_GEMINI || ARCH_RPC
1589 
1590 config DEBUG_UNCOMPRESS
1591         bool
1592         depends on ARCH_MULTIPLATFORM || PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
1593         default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
1594                      (!DEBUG_TEGRA_UART || !ZBOOT_ROM)
1595         help
1596           This option influences the normal decompressor output for
1597           multiplatform kernels.  Normally, multiplatform kernels disable
1598           decompressor output because it is not possible to know where to
1599           send the decompressor output.
1600 
1601           When this option is set, the selected DEBUG_LL output method
1602           will be re-used for normal decompressor output on multiplatform
1603           kernels.
1604           
1605 
1606 config UNCOMPRESS_INCLUDE
1607         string
1608         default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
1609                                         PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
1610                                         ARCH_SHMOBILE_LEGACY
1611         default "mach/uncompress.h"
1612 
1613 config EARLY_PRINTK
1614         bool "Early printk"
1615         depends on DEBUG_LL
1616         help
1617           Say Y here if you want to have an early console using the
1618           kernel low-level debugging functions. Add earlyprintk to your
1619           kernel parameters to enable this console.
1620 
1621 config ARM_KPROBES_TEST
1622         tristate "Kprobes test module"
1623         depends on KPROBES && MODULES
1624         help
1625           Perform tests of kprobes API and instruction set simulation.
1626 
1627 config PID_IN_CONTEXTIDR
1628         bool "Write the current PID to the CONTEXTIDR register"
1629         depends on CPU_COPY_V6
1630         help
1631           Enabling this option causes the kernel to write the current PID to
1632           the PROCID field of the CONTEXTIDR register, at the expense of some
1633           additional instructions during context switch. Say Y here only if you
1634           are planning to use hardware trace tools with this kernel.
1635 
1636 config DEBUG_SET_MODULE_RONX
1637         bool "Set loadable kernel module data as NX and text as RO"
1638         depends on MODULES && MMU
1639         ---help---
1640           This option helps catch unintended modifications to loadable
1641           kernel module's text and read-only data. It also prevents execution
1642           of module data. Such protection may interfere with run-time code
1643           patching and dynamic kernel tracing - and they might also protect
1644           against certain classes of kernel exploits.
1645           If in doubt, say "N".
1646 
1647 source "drivers/hwtracing/coresight/Kconfig"
1648 
1649 endmenu

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