1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvalds 34fb69cc4SJinbum Parkconfig ARM_PTDUMP_CORE 44fb69cc4SJinbum Park def_bool n 54fb69cc4SJinbum Park 64fb69cc4SJinbum Parkconfig ARM_PTDUMP_DEBUGFS 71fd15b87SRussell King bool "Export kernel pagetable layout to userspace via debugfs" 81fd15b87SRussell King depends on DEBUG_KERNEL 965ba508dSArnd Bergmann depends on MMU 104fb69cc4SJinbum Park select ARM_PTDUMP_CORE 111fd15b87SRussell King select DEBUG_FS 12a7f7f624SMasahiro Yamada help 131fd15b87SRussell King Say Y here if you want to show the kernel pagetable layout in a 141fd15b87SRussell King debugfs file. This information is only useful for kernel developers 151fd15b87SRussell King who are working in architecture specific areas of the kernel. 161fd15b87SRussell King It is probably not a good idea to enable this feature in a production 171fd15b87SRussell King kernel. 181fd15b87SRussell King If in doubt, say "N" 191fd15b87SRussell King 20a8e53c15SJinbum Parkconfig DEBUG_WX 21a8e53c15SJinbum Park bool "Warn on W+X mappings at boot" 22ad43fc9aSArnd Bergmann depends on MMU 23a8e53c15SJinbum Park select ARM_PTDUMP_CORE 24a7f7f624SMasahiro Yamada help 25a8e53c15SJinbum Park Generate a warning if any W+X mappings are found at boot. 26a8e53c15SJinbum Park 27a8e53c15SJinbum Park This is useful for discovering cases where the kernel is leaving 28a8e53c15SJinbum Park W+X mappings after applying NX, as such mappings are a security risk. 29a8e53c15SJinbum Park 30a8e53c15SJinbum Park Look for a message in dmesg output like this: 31a8e53c15SJinbum Park 32a8e53c15SJinbum Park arm/mm: Checked W+X mappings: passed, no W+X pages found. 33a8e53c15SJinbum Park 34a8e53c15SJinbum Park or like this, if the check failed: 35a8e53c15SJinbum Park 36a8e53c15SJinbum Park arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found. 37a8e53c15SJinbum Park 38a8e53c15SJinbum Park Note that even if the check fails, your kernel is possibly 39a8e53c15SJinbum Park still fine, as W+X mappings are not a security hole in 40a8e53c15SJinbum Park themselves, what they do is that they make the exploitation 41a8e53c15SJinbum Park of other unfixed kernel bugs easier. 42a8e53c15SJinbum Park 43a8e53c15SJinbum Park There is no runtime or memory usage effect of this option 44a8e53c15SJinbum Park once the kernel has booted up - it's a one time check. 45a8e53c15SJinbum Park 46a8e53c15SJinbum Park If in doubt, say "Y". 47a8e53c15SJinbum Park 48f9b58e8cSStefan Agnerchoice 49f9b58e8cSStefan Agner prompt "Choose kernel unwinder" 5050362162SRussell King default UNWINDER_ARM if AEABI 5150362162SRussell King default UNWINDER_FRAME_POINTER if !AEABI 521da177e4SLinus Torvalds help 53f9b58e8cSStefan Agner This determines which method will be used for unwinding kernel stack 54f9b58e8cSStefan Agner traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, 55f9b58e8cSStefan Agner livepatch, lockdep, and more. 56adf8b37bSCatalin Marinas 57f9b58e8cSStefan Agnerconfig UNWINDER_FRAME_POINTER 58f9b58e8cSStefan Agner bool "Frame pointer unwinder" 596dc5fd93SNathan Huckleberry depends on !THUMB2_KERNEL 60f9b58e8cSStefan Agner select ARCH_WANT_FRAME_POINTERS 61f9b58e8cSStefan Agner select FRAME_POINTER 62f9b58e8cSStefan Agner help 63f9b58e8cSStefan Agner This option enables the frame pointer unwinder for unwinding 64f9b58e8cSStefan Agner kernel stack traces. 65f9b58e8cSStefan Agner 66f9b58e8cSStefan Agnerconfig UNWINDER_ARM 67f9b58e8cSStefan Agner bool "ARM EABI stack unwinder" 6841918ec8SArd Biesheuvel depends on AEABI 69f9b58e8cSStefan Agner select ARM_UNWIND 70adf8b37bSCatalin Marinas help 71adf8b37bSCatalin Marinas This option enables stack unwinding support in the kernel 72adf8b37bSCatalin Marinas using the information automatically generated by the 73adf8b37bSCatalin Marinas compiler. The resulting kernel image is slightly bigger but 74adf8b37bSCatalin Marinas the performance is not affected. Currently, this feature 75f9b58e8cSStefan Agner only works with EABI compilers. 76f9b58e8cSStefan Agner 77f9b58e8cSStefan Agnerendchoice 78f9b58e8cSStefan Agner 79f9b58e8cSStefan Agnerconfig ARM_UNWIND 80f9b58e8cSStefan Agner bool 81f9b58e8cSStefan Agner 82b0343ab3SRussell Kingconfig BACKTRACE_VERBOSE 83b0343ab3SRussell King bool "Verbose backtrace" 84b0343ab3SRussell King depends on EXPERT 85b0343ab3SRussell King help 86b0343ab3SRussell King When the kernel produces a warning or oops, the kernel prints a 87b0343ab3SRussell King trace of the call chain. This option controls whether we include 88b0343ab3SRussell King the numeric addresses or only include the symbolic information. 89b0343ab3SRussell King 90b0343ab3SRussell King In most cases, say N here, unless you are intending to debug the 91b0343ab3SRussell King kernel and have access to the kernel binary image. 92b0343ab3SRussell King 93f9b58e8cSStefan Agnerconfig FRAME_POINTER 94f9b58e8cSStefan Agner bool 951da177e4SLinus Torvalds 961da177e4SLinus Torvaldsconfig DEBUG_USER 971da177e4SLinus Torvalds bool "Verbose user fault messages" 981da177e4SLinus Torvalds help 991da177e4SLinus Torvalds When a user program crashes due to an exception, the kernel can 1001da177e4SLinus Torvalds print a brief message explaining what the problem was. This is 1011da177e4SLinus Torvalds sometimes helpful for debugging but serves no purpose on a 1021da177e4SLinus Torvalds production system. Most people should say N here. 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvalds In addition, you need to pass user_debug=N on the kernel command 1051da177e4SLinus Torvalds line to enable this feature. N consists of the sum of: 1061da177e4SLinus Torvalds 1071da177e4SLinus Torvalds 1 - undefined instruction events 1081da177e4SLinus Torvalds 2 - system calls 1091da177e4SLinus Torvalds 4 - invalid data aborts 1101da177e4SLinus Torvalds 8 - SIGSEGV faults 1111da177e4SLinus Torvalds 16 - SIGBUS faults 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds# These options are only for real kernel hackers who want to get their hands dirty. 1141da177e4SLinus Torvaldsconfig DEBUG_LL 1154f5ef922SWill Deacon bool "Kernel low-level debugging functions (read help!)" 1161da177e4SLinus Torvalds depends on DEBUG_KERNEL 1171da177e4SLinus Torvalds help 11835efb606SRussell King Say Y here to include definitions of printascii, printch, printhex 1191da177e4SLinus Torvalds in the kernel. This is helpful if you are debugging code that 1201da177e4SLinus Torvalds executes before the console is initialized. 1211da177e4SLinus Torvalds 1224f5ef922SWill Deacon Note that selecting this option will limit the kernel to a single 1234f5ef922SWill Deacon UART definition, as specified below. Attempting to boot the kernel 1244f5ef922SWill Deacon image on a different platform *will not work*, so this option should 1254f5ef922SWill Deacon not be enabled for kernels that are intended to be portable. 1264f5ef922SWill Deacon 12717916b28SWill Deaconchoice 12817916b28SWill Deacon prompt "Kernel low-level debugging port" 12917916b28SWill Deacon depends on DEBUG_LL 13017916b28SWill Deacon 1313c215e64STsahee Zidenberg config DEBUG_ALPINE_UART0 1323c215e64STsahee Zidenberg bool "Kernel low-level debugging messages via Alpine UART0" 1333c215e64STsahee Zidenberg depends on ARCH_ALPINE 1343c215e64STsahee Zidenberg select DEBUG_UART_8250 1353c215e64STsahee Zidenberg help 1363c215e64STsahee Zidenberg Say Y here if you want kernel low-level debugging support 1373c215e64STsahee Zidenberg on Alpine based platforms. 1383c215e64STsahee Zidenberg 139d5bd4e8dSOleksij Rempel config DEBUG_ASM9260_UART 140d5bd4e8dSOleksij Rempel bool "Kernel low-level debugging via asm9260 UART" 141d5bd4e8dSOleksij Rempel depends on MACH_ASM9260 142d5bd4e8dSOleksij Rempel help 143d5bd4e8dSOleksij Rempel Say Y here if you want the debug print routines to direct 144d5bd4e8dSOleksij Rempel their output to an UART or USART port on asm9260 based 145d5bd4e8dSOleksij Rempel machines. 146d5bd4e8dSOleksij Rempel 147d5bd4e8dSOleksij Rempel DEBUG_UART_PHYS | DEBUG_UART_VIRT 148d5bd4e8dSOleksij Rempel 149d5bd4e8dSOleksij Rempel 0x80000000 | 0xf0000000 | UART0 150d5bd4e8dSOleksij Rempel 0x80004000 | 0xf0004000 | UART1 151d5bd4e8dSOleksij Rempel 0x80008000 | 0xf0008000 | UART2 152d5bd4e8dSOleksij Rempel 0x8000c000 | 0xf000c000 | UART3 153d5bd4e8dSOleksij Rempel 0x80010000 | 0xf0010000 | UART4 154d5bd4e8dSOleksij Rempel 0x80014000 | 0xf0014000 | UART5 155d5bd4e8dSOleksij Rempel 0x80018000 | 0xf0018000 | UART6 156d5bd4e8dSOleksij Rempel 0x8001c000 | 0xf001c000 | UART7 157d5bd4e8dSOleksij Rempel 0x80020000 | 0xf0020000 | UART8 158d5bd4e8dSOleksij Rempel 0x80024000 | 0xf0024000 | UART9 159d5bd4e8dSOleksij Rempel 1608b2f2d03SAlexandre Belloni config DEBUG_AT91_RM9200_DBGU 16180f58695SClaudiu Beznea bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU" 1628b2f2d03SAlexandre Belloni select DEBUG_AT91_UART 16380f58695SClaudiu Beznea depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 1646f112a08SAlexandre Belloni help 1658b2f2d03SAlexandre Belloni Say Y here if you want kernel low-level debugging support 1668b2f2d03SAlexandre Belloni on the DBGU port of: 1678b2f2d03SAlexandre Belloni at91rm9200, at91sam9260, at91sam9g20, at91sam9261, 16880f58695SClaudiu Beznea at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5, sam9x60 16913079a73SJean-Christophe PLAGNIOL-VILLARD 1708b2f2d03SAlexandre Belloni config DEBUG_AT91_SAM9263_DBGU 1718b2f2d03SAlexandre Belloni bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" 1728b2f2d03SAlexandre Belloni select DEBUG_AT91_UART 1738b2f2d03SAlexandre Belloni depends on SOC_AT91SAM9 || SOC_SAMA5D3 1748b2f2d03SAlexandre Belloni help 1758b2f2d03SAlexandre Belloni Say Y here if you want kernel low-level debugging support 1768b2f2d03SAlexandre Belloni on the DBGU port of: 1778b2f2d03SAlexandre Belloni at91sam9263, at91sam9g45, at91sam9m10, 1788b2f2d03SAlexandre Belloni sama5d3 17913079a73SJean-Christophe PLAGNIOL-VILLARD 1808b2f2d03SAlexandre Belloni config DEBUG_AT91_SAMA5D2_UART1 1818b2f2d03SAlexandre Belloni bool "Kernel low-level debugging on SAMA5D2 UART1" 1828b2f2d03SAlexandre Belloni select DEBUG_AT91_UART 1838b2f2d03SAlexandre Belloni depends on SOC_SAMA5D2 1848b2f2d03SAlexandre Belloni help 1858b2f2d03SAlexandre Belloni Say Y here if you want kernel low-level debugging support 1868b2f2d03SAlexandre Belloni on the UART1 port of sama5d2. 1878b2f2d03SAlexandre Belloni 1888b2f2d03SAlexandre Belloni config DEBUG_AT91_SAMA5D4_USART3 1898b2f2d03SAlexandre Belloni bool "Kernel low-level debugging on SAMA5D4 USART3" 1908b2f2d03SAlexandre Belloni select DEBUG_AT91_UART 1918b2f2d03SAlexandre Belloni depends on SOC_SAMA5D4 1928b2f2d03SAlexandre Belloni help 1938b2f2d03SAlexandre Belloni Say Y here if you want kernel low-level debugging support 1948b2f2d03SAlexandre Belloni on the USART3 port of sama5d4. 195c268a743SNicolas Ferre 19663e07c0fSSzemző András config DEBUG_AT91_SAMV7_USART1 19763e07c0fSSzemző András bool "Kernel low-level debugging via SAMV7 USART1" 19863e07c0fSSzemző András select DEBUG_AT91_UART 19963e07c0fSSzemző András depends on SOC_SAMV7 20063e07c0fSSzemző András help 20163e07c0fSSzemző András Say Y here if you want the debug print routines to direct 20263e07c0fSSzemző András their output to the USART1 port on SAMV7 based 20363e07c0fSSzemző András machines. 20463e07c0fSSzemző András 205577cb67aSEugen Hristev config DEBUG_AT91_SAMA7G5_FLEXCOM3 206577cb67aSEugen Hristev bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3" 207577cb67aSEugen Hristev select DEBUG_AT91_UART 208577cb67aSEugen Hristev depends on SOC_SAMA7G5 209577cb67aSEugen Hristev help 210577cb67aSEugen Hristev Say Y here if you want kernel low-level debugging support 211577cb67aSEugen Hristev on the FLEXCOM3 port of SAMA7G5. 212577cb67aSEugen Hristev 2136041558eSKavyasree Kotagiri config DEBUG_AT91_LAN966_FLEXCOM 2146041558eSKavyasree Kotagiri bool "Kernel low-level debugging on LAN966 FLEXCOM USART" 2156041558eSKavyasree Kotagiri select DEBUG_AT91_UART 2166041558eSKavyasree Kotagiri depends on SOC_LAN966 2176041558eSKavyasree Kotagiri help 2186041558eSKavyasree Kotagiri Say Y here if you want kernel low-level debugging support 2196041558eSKavyasree Kotagiri on the FLEXCOM port of LAN966. 2206041558eSKavyasree Kotagiri 2216041558eSKavyasree Kotagiri DEBUG_UART_PHYS | DEBUG_UART_VIRT 2226041558eSKavyasree Kotagiri 2236041558eSKavyasree Kotagiri 0xe0040200 | 0xfd040200 | FLEXCOM0 2246041558eSKavyasree Kotagiri 0xe0044200 | 0xfd044200 | FLEXCOM1 2256041558eSKavyasree Kotagiri 0xe0060200 | 0xfd060200 | FLEXCOM2 2266041558eSKavyasree Kotagiri 0xe0064200 | 0xfd064200 | FLEXCOM3 2276041558eSKavyasree Kotagiri 0xe0070200 | 0xfd070200 | FLEXCOM4 2286041558eSKavyasree Kotagiri 2296041558eSKavyasree Kotagiri By default, enabling FLEXCOM3 port. Based on requirement, use 2306041558eSKavyasree Kotagiri DEBUG_UART_PHYS and DEBUG_UART_VIRT configurations from above 2316041558eSKavyasree Kotagiri table. 2326041558eSKavyasree Kotagiri 233f1ac922dSStephen Warren config DEBUG_BCM2835 234f1ac922dSStephen Warren bool "Kernel low-level debugging on BCM2835 PL011 UART" 2355234c34eSEric Anholt depends on ARCH_BCM2835 && ARCH_MULTI_V6 2365234c34eSEric Anholt select DEBUG_UART_PL01X 2375234c34eSEric Anholt 2385234c34eSEric Anholt config DEBUG_BCM2836 2395234c34eSEric Anholt bool "Kernel low-level debugging on BCM2836 PL011 UART" 2405234c34eSEric Anholt depends on ARCH_BCM2835 && ARCH_MULTI_V7 2415c972af4SRussell King select DEBUG_UART_PL01X 242f1ac922dSStephen Warren 24306580275SHauke Mehrtens config DEBUG_BCM_5301X 2442dc9e0b9SFlorian Fainelli bool "Kernel low-level debugging on BCM5301X/NSP UART1" 2452dc9e0b9SFlorian Fainelli depends on ARCH_BCM_5301X || ARCH_BCM_NSP 246140bd603SHauke Mehrtens select DEBUG_UART_8250 24706580275SHauke Mehrtens 248fa1e581dSFlorian Fainelli config DEBUG_BCM_HR2 249fa1e581dSFlorian Fainelli bool "Kernel low-level debugging on Hurricane 2 UART2" 250fa1e581dSFlorian Fainelli depends on ARCH_BCM_HR2 251fa1e581dSFlorian Fainelli select DEBUG_UART_8250 252fa1e581dSFlorian Fainelli 253295898baSClément Peron config DEBUG_BCM_IPROC_UART3 254295898baSClément Peron bool "Kernel low-level debugging on BCM IPROC UART3" 255295898baSClément Peron depends on ARCH_BCM_CYGNUS 256295898baSClément Peron select DEBUG_UART_8250 257295898baSClément Peron help 258295898baSClément Peron Say Y here if you want the debug print routines to direct 259295898baSClément Peron their output to the third serial port on these devices. 260295898baSClément Peron 261753d1243SChristian Daudt config DEBUG_BCM_KONA_UART 262753d1243SChristian Daudt bool "Kernel low-level debugging messages via BCM KONA UART" 2637aa2077bSFlorian Fainelli depends on ARCH_BCM_MOBILE 264753d1243SChristian Daudt select DEBUG_UART_8250 265753d1243SChristian Daudt help 266753d1243SChristian Daudt Say Y here if you want kernel low-level debugging support 267753d1243SChristian Daudt on Broadcom SoC platforms. 268753d1243SChristian Daudt This low level debug works for Broadcom 269753d1243SChristian Daudt mobile SoCs in the Kona family of chips (e.g. bcm28155, 270753d1243SChristian Daudt bcm11351, etc...) 271753d1243SChristian Daudt 2726c548099SArnd Bergmann config DEBUG_BCM63XX_UART 273b51312beSFlorian Fainelli bool "Kernel low-level debugging on BCM63XX UART" 274fa0ef5a0SWilliam Zhang depends on ARCH_BCMBCA 275b51312beSFlorian Fainelli 276caad0b41SSebastian Hesselbarth config DEBUG_BERLIN_UART 277caad0b41SSebastian Hesselbarth bool "Marvell Berlin SoC Debug UART" 278caad0b41SSebastian Hesselbarth depends on ARCH_BERLIN 279caad0b41SSebastian Hesselbarth select DEBUG_UART_8250 280caad0b41SSebastian Hesselbarth help 281caad0b41SSebastian Hesselbarth Say Y here if you want kernel low-level debugging support 282caad0b41SSebastian Hesselbarth on Marvell Berlin SoC based platforms. 283caad0b41SSebastian Hesselbarth 28481b43a6eSMarc Carino config DEBUG_BRCMSTB_UART 28581b43a6eSMarc Carino bool "Use BRCMSTB UART for low-level debug" 28681b43a6eSMarc Carino depends on ARCH_BRCMSTB 28781b43a6eSMarc Carino help 28881b43a6eSMarc Carino Say Y here if you want the debug print routines to direct 289d0cf9d8aSFlorian Fainelli their output to the first serial port on these devices. The 290d0cf9d8aSFlorian Fainelli UART physical and virtual address is automatically provided 291d0cf9d8aSFlorian Fainelli based on the chip identification register value. 29281b43a6eSMarc Carino 29381b43a6eSMarc Carino If you have a Broadcom STB chip and would like early print 29481b43a6eSMarc Carino messages to appear over the UART, select this option. 29581b43a6eSMarc Carino 296164acf96SStephen Boyd config DEBUG_CLPS711X_UART1 297164acf96SStephen Boyd bool "Kernel low-level debugging messages via UART1" 298164acf96SStephen Boyd depends on ARCH_CLPS711X 299164acf96SStephen Boyd help 300164acf96SStephen Boyd Say Y here if you want the debug print routines to direct 301164acf96SStephen Boyd their output to the first serial port on these devices. 30217916b28SWill Deacon 30317916b28SWill Deacon config DEBUG_CLPS711X_UART2 30417916b28SWill Deacon bool "Kernel low-level debugging messages via UART2" 30517916b28SWill Deacon depends on ARCH_CLPS711X 30617916b28SWill Deacon help 30717916b28SWill Deacon Say Y here if you want the debug print routines to direct 30817916b28SWill Deacon their output to the second serial port on these devices. 30917916b28SWill Deacon 310477099f1SUwe Kleine-König config DEBUG_DAVINCI_DA8XX_UART1 311477099f1SUwe Kleine-König bool "Kernel low-level debugging on DaVinci DA8XX using UART1" 312477099f1SUwe Kleine-König depends on ARCH_DAVINCI_DA8XX 31397bd1a48SRussell King select DEBUG_UART_8250 314477099f1SUwe Kleine-König help 315477099f1SUwe Kleine-König Say Y here if you want the debug print routines to direct 316477099f1SUwe Kleine-König their output to UART1 serial port on DaVinci DA8XX devices. 317477099f1SUwe Kleine-König 318477099f1SUwe Kleine-König config DEBUG_DAVINCI_DA8XX_UART2 319477099f1SUwe Kleine-König bool "Kernel low-level debugging on DaVinci DA8XX using UART2" 320477099f1SUwe Kleine-König depends on ARCH_DAVINCI_DA8XX 32197bd1a48SRussell King select DEBUG_UART_8250 322477099f1SUwe Kleine-König help 323477099f1SUwe Kleine-König Say Y here if you want the debug print routines to direct 324477099f1SUwe Kleine-König their output to UART2 serial port on DaVinci DA8XX devices. 325477099f1SUwe Kleine-König 326e76f4750SRussell King config DEBUG_DC21285_PORT 327e76f4750SRussell King bool "Kernel low-level debugging messages via footbridge serial port" 328e76f4750SRussell King depends on FOOTBRIDGE 329e76f4750SRussell King help 330e76f4750SRussell King Say Y here if you want the debug print routines to direct 331e76f4750SRussell King their output to the serial port in the DC21285 (Footbridge). 332e76f4750SRussell King 333e23814daSBaruch Siach config DEBUG_DIGICOLOR_UA0 334e23814daSBaruch Siach bool "Kernel low-level debugging messages via Digicolor UA0" 335e23814daSBaruch Siach depends on ARCH_DIGICOLOR 336e23814daSBaruch Siach help 337e23814daSBaruch Siach Say Y here if you want the debug print routines to direct 338e23814daSBaruch Siach their output to the UA0 serial port in the CX92755. 339e23814daSBaruch Siach 340f06455faSArnd Bergmann config DEBUG_EP93XX 341f06455faSArnd Bergmann bool "Kernel low-level debugging messages via ep93xx UART" 342f06455faSArnd Bergmann depends on ARCH_EP93XX 343f06455faSArnd Bergmann select DEBUG_UART_PL01X 344f06455faSArnd Bergmann help 345f06455faSArnd Bergmann Say Y here if you want kernel low-level debugging support 346f06455faSArnd Bergmann on Cirrus Logic EP93xx based platforms. 347f06455faSArnd Bergmann 348e76f4750SRussell King config DEBUG_FOOTBRIDGE_COM1 349e76f4750SRussell King bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" 350e76f4750SRussell King depends on FOOTBRIDGE 3510045c0ddSArnd Bergmann select DEBUG_UART_8250 352e76f4750SRussell King help 353e76f4750SRussell King Say Y here if you want the debug print routines to direct 354e76f4750SRussell King their output to the 8250 at PCI COM1. 355e76f4750SRussell King 356d7175a3bSArnd Bergmann config DEBUG_GEMINI 357d7175a3bSArnd Bergmann bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" 358d7175a3bSArnd Bergmann depends on ARCH_GEMINI 359d7175a3bSArnd Bergmann select DEBUG_UART_8250 360d7175a3bSArnd Bergmann help 361d7175a3bSArnd Bergmann Say Y here if you want kernel low-level debugging support 362d7175a3bSArnd Bergmann on Cortina Gemini based platforms. 363d7175a3bSArnd Bergmann 3648d258bebSHaojian Zhuang config DEBUG_HI3620_UART 3658d258bebSHaojian Zhuang bool "Hisilicon HI3620 Debug UART" 3668d258bebSHaojian Zhuang depends on ARCH_HI3xxx 3678d258bebSHaojian Zhuang select DEBUG_UART_PL01X 3688d258bebSHaojian Zhuang help 3698d258bebSHaojian Zhuang Say Y here if you want kernel low-level debugging support 3708d258bebSHaojian Zhuang on HI3620 UART. 3718d258bebSHaojian Zhuang 372220e6cf7SRob Herring config DEBUG_HIGHBANK_UART 373220e6cf7SRob Herring bool "Kernel low-level debugging messages via Highbank UART" 374220e6cf7SRob Herring depends on ARCH_HIGHBANK 3755c972af4SRussell King select DEBUG_UART_PL01X 376220e6cf7SRob Herring help 377220e6cf7SRob Herring Say Y here if you want the debug print routines to direct 378220e6cf7SRob Herring their output to the UART on Highbank based devices. 379220e6cf7SRob Herring 38027dafaa8SWang Long config DEBUG_HIP01_UART 38127dafaa8SWang Long bool "Hisilicon Hip01 Debug UART" 38227dafaa8SWang Long depends on ARCH_HIP01 38327dafaa8SWang Long select DEBUG_UART_8250 38427dafaa8SWang Long help 38527dafaa8SWang Long Say Y here if you want kernel low-level debugging support 38627dafaa8SWang Long on HIP01 UART. 38727dafaa8SWang Long 388c9a1df48SHaojian Zhuang config DEBUG_HIP04_UART 389c9a1df48SHaojian Zhuang bool "Hisilicon HiP04 Debug UART" 390c9a1df48SHaojian Zhuang depends on ARCH_HIP04 391c9a1df48SHaojian Zhuang select DEBUG_UART_8250 392c9a1df48SHaojian Zhuang help 393c9a1df48SHaojian Zhuang Say Y here if you want kernel low-level debugging support 394c9a1df48SHaojian Zhuang on HIP04 UART. 395c9a1df48SHaojian Zhuang 39637bdaf82SOlof Johansson config DEBUG_HIX5HD2_UART 39737bdaf82SOlof Johansson bool "Hisilicon Hix5hd2 Debug UART" 39837bdaf82SOlof Johansson depends on ARCH_HIX5HD2 39993fd03a8SCatalin Marinas select DEBUG_UART_PL01X 40093fd03a8SCatalin Marinas help 40137bdaf82SOlof Johansson Say Y here if you want kernel low-level debugging support 40237bdaf82SOlof Johansson on Hix5hd2 UART. 4031da177e4SLinus Torvalds 404f350b861SShawn Guo config DEBUG_IMX1_UART 405f350b861SShawn Guo bool "i.MX1 Debug UART" 406f350b861SShawn Guo depends on SOC_IMX1 407f350b861SShawn Guo help 408f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 409f350b861SShawn Guo on i.MX1. 410f350b861SShawn Guo 411f350b861SShawn Guo config DEBUG_IMX23_UART 412f350b861SShawn Guo bool "i.MX23 Debug UART" 413f350b861SShawn Guo depends on SOC_IMX23 4145c972af4SRussell King select DEBUG_UART_PL01X 415f350b861SShawn Guo help 416f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 417f350b861SShawn Guo on i.MX23. 418f350b861SShawn Guo 419f350b861SShawn Guo config DEBUG_IMX25_UART 420f350b861SShawn Guo bool "i.MX25 Debug UART" 421f350b861SShawn Guo depends on SOC_IMX25 422f350b861SShawn Guo help 423f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 424f350b861SShawn Guo on i.MX25. 425f350b861SShawn Guo 426b0100bceSLukas Bulwahn config DEBUG_IMX27_UART 427b0100bceSLukas Bulwahn bool "i.MX27 Debug UART" 428b0100bceSLukas Bulwahn depends on SOC_IMX27 429f350b861SShawn Guo help 430f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 431b0100bceSLukas Bulwahn on i.MX27. 432f350b861SShawn Guo 433f350b861SShawn Guo config DEBUG_IMX28_UART 434f350b861SShawn Guo bool "i.MX28 Debug UART" 435f350b861SShawn Guo depends on SOC_IMX28 4365c972af4SRussell King select DEBUG_UART_PL01X 437f350b861SShawn Guo help 438f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 439f350b861SShawn Guo on i.MX28. 440f350b861SShawn Guo 4414ad625d4SShawn Guo config DEBUG_IMX31_UART 4424ad625d4SShawn Guo bool "i.MX31 Debug UART" 4434ad625d4SShawn Guo depends on SOC_IMX31 444f350b861SShawn Guo help 445f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 4464ad625d4SShawn Guo on i.MX31. 4474ad625d4SShawn Guo 4484ad625d4SShawn Guo config DEBUG_IMX35_UART 4494ad625d4SShawn Guo bool "i.MX35 Debug UART" 4504ad625d4SShawn Guo depends on SOC_IMX35 4514ad625d4SShawn Guo help 4524ad625d4SShawn Guo Say Y here if you want kernel low-level debugging support 4534ad625d4SShawn Guo on i.MX35. 454f350b861SShawn Guo 455ad364a70SGreg Ungerer config DEBUG_IMX50_UART 456ad364a70SGreg Ungerer bool "i.MX50 Debug UART" 457ad364a70SGreg Ungerer depends on SOC_IMX50 458ad364a70SGreg Ungerer help 459ad364a70SGreg Ungerer Say Y here if you want kernel low-level debugging support 460ad364a70SGreg Ungerer on i.MX50. 461ad364a70SGreg Ungerer 462f350b861SShawn Guo config DEBUG_IMX51_UART 463f350b861SShawn Guo bool "i.MX51 Debug UART" 464f350b861SShawn Guo depends on SOC_IMX51 465f350b861SShawn Guo help 466f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 467f350b861SShawn Guo on i.MX51. 468f350b861SShawn Guo 4697356420cSFabio Estevam config DEBUG_IMX53_UART 4707356420cSFabio Estevam bool "i.MX53 Debug UART" 4717356420cSFabio Estevam depends on SOC_IMX53 472f350b861SShawn Guo help 473f350b861SShawn Guo Say Y here if you want kernel low-level debugging support 4747356420cSFabio Estevam on i.MX53. 475f350b861SShawn Guo 47649c9e60eSShawn Guo config DEBUG_IMX6Q_UART 4773c03a2feSShawn Guo bool "i.MX6Q/DL Debug UART" 478785d7fabSDirk Behme depends on SOC_IMX6Q 479785d7fabSDirk Behme help 480785d7fabSDirk Behme Say Y here if you want kernel low-level debugging support 4813c03a2feSShawn Guo on i.MX6Q/DL. 482bac89d75SShawn Guo 48334e8a16bSShawn Guo config DEBUG_IMX6SL_UART 48434e8a16bSShawn Guo bool "i.MX6SL Debug UART" 48534e8a16bSShawn Guo depends on SOC_IMX6SL 48634e8a16bSShawn Guo help 48734e8a16bSShawn Guo Say Y here if you want kernel low-level debugging support 48834e8a16bSShawn Guo on i.MX6SL. 48934e8a16bSShawn Guo 49074368e81SShawn Guo config DEBUG_IMX6SX_UART 49174368e81SShawn Guo bool "i.MX6SX Debug UART" 49274368e81SShawn Guo depends on SOC_IMX6SX 49374368e81SShawn Guo help 49474368e81SShawn Guo Say Y here if you want kernel low-level debugging support 49574368e81SShawn Guo on i.MX6SX. 49674368e81SShawn Guo 49720c305f6SAnson Huang config DEBUG_IMX6UL_UART 49820c305f6SAnson Huang bool "i.MX6UL Debug UART" 49920c305f6SAnson Huang depends on SOC_IMX6UL 50020c305f6SAnson Huang help 50120c305f6SAnson Huang Say Y here if you want kernel low-level debugging support 50220c305f6SAnson Huang on i.MX6UL. 50320c305f6SAnson Huang 50452d7aec2SAnson Huang config DEBUG_IMX7D_UART 50552d7aec2SAnson Huang bool "i.MX7D Debug UART" 50652d7aec2SAnson Huang depends on SOC_IMX7D 50752d7aec2SAnson Huang help 50852d7aec2SAnson Huang Say Y here if you want kernel low-level debugging support 50952d7aec2SAnson Huang on i.MX7D. 51052d7aec2SAnson Huang 5114db22c10SArnd Bergmann config DEBUG_INTEGRATOR 5124db22c10SArnd Bergmann bool "Kernel low-level debugging messages via ARM Integrator UART" 5134db22c10SArnd Bergmann depends on ARCH_INTEGRATOR 5144db22c10SArnd Bergmann select DEBUG_UART_PL01X 5154db22c10SArnd Bergmann help 5164db22c10SArnd Bergmann Say Y here if you want kernel low-level debugging support 5174db22c10SArnd Bergmann on ARM Integrator platforms. 5184db22c10SArnd Bergmann 519828989adSSantosh Shilimkar config DEBUG_KEYSTONE_UART0 520828989adSSantosh Shilimkar bool "Kernel low-level debugging on KEYSTONE2 using UART0" 521828989adSSantosh Shilimkar depends on ARCH_KEYSTONE 522f2acf003SRussell King select DEBUG_UART_8250 523828989adSSantosh Shilimkar help 524828989adSSantosh Shilimkar Say Y here if you want the debug print routines to direct 525828989adSSantosh Shilimkar their output to UART0 serial port on KEYSTONE2 devices. 526828989adSSantosh Shilimkar 527828989adSSantosh Shilimkar config DEBUG_KEYSTONE_UART1 528828989adSSantosh Shilimkar bool "Kernel low-level debugging on KEYSTONE2 using UART1" 529828989adSSantosh Shilimkar depends on ARCH_KEYSTONE 530f2acf003SRussell King select DEBUG_UART_8250 531828989adSSantosh Shilimkar help 532828989adSSantosh Shilimkar Say Y here if you want the debug print routines to direct 533828989adSSantosh Shilimkar their output to UART1 serial port on KEYSTONE2 devices. 534828989adSSantosh Shilimkar 5350aed6a37SJoachim Eastwood config DEBUG_LPC18XX_UART0 5360aed6a37SJoachim Eastwood bool "Kernel low-level debugging via LPC18xx/43xx UART0" 5370aed6a37SJoachim Eastwood depends on ARCH_LPC18XX 5380aed6a37SJoachim Eastwood select DEBUG_UART_8250 5390aed6a37SJoachim Eastwood help 5400aed6a37SJoachim Eastwood Say Y here if you want kernel low-level debugging support 5410aed6a37SJoachim Eastwood on NXP LPC18xx/43xx UART0. 5420aed6a37SJoachim Eastwood 54359bd4c38SArnd Bergmann config DEBUG_LPC32XX 54459bd4c38SArnd Bergmann bool "Kernel low-level debugging messages via NXP LPC32xx UART" 54559bd4c38SArnd Bergmann depends on ARCH_LPC32XX 54659bd4c38SArnd Bergmann select DEBUG_UART_8250 54759bd4c38SArnd Bergmann help 54859bd4c38SArnd Bergmann Say Y here if you want kernel low-level debugging support 54959bd4c38SArnd Bergmann on NXP LPC32xx based platforms. 55059bd4c38SArnd Bergmann 551d8a00916SCarlo Caione config DEBUG_MESON_UARTAO 552d8a00916SCarlo Caione bool "Kernel low-level debugging via Meson6 UARTAO" 553d8a00916SCarlo Caione depends on ARCH_MESON 554d8a00916SCarlo Caione help 555d8a00916SCarlo Caione Say Y here if you want kernel low-lever debugging support 556d8a00916SCarlo Caione on Amlogic Meson6 based platforms on the UARTAO. 557d8a00916SCarlo Caione 558fa4cd2a8SHaojian Zhuang config DEBUG_MMP_UART2 559fa4cd2a8SHaojian Zhuang bool "Kernel low-level debugging message via MMP UART2" 560fa4cd2a8SHaojian Zhuang depends on ARCH_MMP 5614a003647SRussell King select DEBUG_UART_8250 562fa4cd2a8SHaojian Zhuang help 563fa4cd2a8SHaojian Zhuang Say Y here if you want kernel low-level debugging support 564fa4cd2a8SHaojian Zhuang on MMP UART2. 565fa4cd2a8SHaojian Zhuang 566fa4cd2a8SHaojian Zhuang config DEBUG_MMP_UART3 567fa4cd2a8SHaojian Zhuang bool "Kernel low-level debugging message via MMP UART3" 568fa4cd2a8SHaojian Zhuang depends on ARCH_MMP 5694a003647SRussell King select DEBUG_UART_8250 570fa4cd2a8SHaojian Zhuang help 571fa4cd2a8SHaojian Zhuang Say Y here if you want kernel low-level debugging support 572fa4cd2a8SHaojian Zhuang on MMP UART3. 573fa4cd2a8SHaojian Zhuang 574d91125ddSMaxime Ripard config DEBUG_MVEBU_UART0 575d91125ddSMaxime Ripard bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" 576bfd5af99SRob Herring depends on ARCH_MVEBU 577c047f529SArnd Bergmann depends on ARCH_MVEBU && CPU_V7 5784a003647SRussell King select DEBUG_UART_8250 579bfd5af99SRob Herring help 580bfd5af99SRob Herring Say Y here if you want kernel low-level debugging support 581d91125ddSMaxime Ripard on MVEBU based platforms on UART0. 582bfd5af99SRob Herring 583c2804cd6SThomas Petazzoni This option should be used with the old bootloaders 584c2804cd6SThomas Petazzoni that left the internal registers mapped at 585c2804cd6SThomas Petazzoni 0xd0000000. As of today, this is the case on 586c2804cd6SThomas Petazzoni platforms such as the Globalscale Mirabox or the 587c2804cd6SThomas Petazzoni Plathome OpenBlocks AX3, when using the original 588c2804cd6SThomas Petazzoni bootloader. 589c2804cd6SThomas Petazzoni 590c047f529SArnd Bergmann This option will not work on older Marvell platforms 591c047f529SArnd Bergmann (Kirkwood, Dove, MV78xx0, Orion5x), which should pick 592c047f529SArnd Bergmann the "new bootloader" variant. 593c047f529SArnd Bergmann 594c2804cd6SThomas Petazzoni If the wrong DEBUG_MVEBU_UART* option is selected, 595c2804cd6SThomas Petazzoni when u-boot hands over to the kernel, the system 596c2804cd6SThomas Petazzoni silently crashes, with no serial output at all. 597c2804cd6SThomas Petazzoni 598d91125ddSMaxime Ripard config DEBUG_MVEBU_UART0_ALTERNATE 599d91125ddSMaxime Ripard bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" 600c047f529SArnd Bergmann depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X 6014a003647SRussell King select DEBUG_UART_8250 602c2804cd6SThomas Petazzoni help 603c2804cd6SThomas Petazzoni Say Y here if you want kernel low-level debugging support 604c047f529SArnd Bergmann on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, 605c047f529SArnd Bergmann Kirkwood, Dove, MV78xx0, Orion5x). 606c047f529SArnd Bergmann 607c2804cd6SThomas Petazzoni 608c2804cd6SThomas Petazzoni This option should be used with the new bootloaders 609c2804cd6SThomas Petazzoni that remap the internal registers at 0xf1000000. 610c2804cd6SThomas Petazzoni 611c2804cd6SThomas Petazzoni If the wrong DEBUG_MVEBU_UART* option is selected, 612c2804cd6SThomas Petazzoni when u-boot hands over to the kernel, the system 613c2804cd6SThomas Petazzoni silently crashes, with no serial output at all. 614c2804cd6SThomas Petazzoni 615bd920490SMaxime Ripard config DEBUG_MVEBU_UART1_ALTERNATE 616bd920490SMaxime Ripard bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" 617bd920490SMaxime Ripard depends on ARCH_MVEBU 618bd920490SMaxime Ripard select DEBUG_UART_8250 619bd920490SMaxime Ripard help 620bd920490SMaxime Ripard Say Y here if you want kernel low-level debugging support 621c047f529SArnd Bergmann on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, 622c047f529SArnd Bergmann Kirkwood, Dove, MV78xx0, Orion5x). 623a3d3ef9dSStephen Boyd 6241da177e4SLinus Torvalds This option should be used with the new bootloaders 6251da177e4SLinus Torvalds that remap the internal registers at 0xf1000000. 626c047f529SArnd Bergmann All of the older (pre Armada XP/370) platforms also use 627c047f529SArnd Bergmann this address, regardless of the boot loader version. 6281da177e4SLinus Torvalds 6291da177e4SLinus Torvalds If the wrong DEBUG_MVEBU_UART* option is selected, 6301da177e4SLinus Torvalds when u-boot hands over to the kernel, the system 6311da177e4SLinus Torvalds silently crashes, with no serial output at all. 6321da177e4SLinus Torvalds 633624b9d83SRomain Perier config DEBUG_MSTARV7_PMUART 634624b9d83SRomain Perier bool "Kernel low-level debugging messages via MSTARV7 PM UART" 635624b9d83SRomain Perier depends on ARCH_MSTARV7 636624b9d83SRomain Perier select DEBUG_UART_8250 637624b9d83SRomain Perier help 638624b9d83SRomain Perier Say Y here if you want kernel low-level debugging support 639624b9d83SRomain Perier for MSTAR ARMv7-based platforms on PM UART. 640624b9d83SRomain Perier 6411dc93416SArnd Bergmann config DEBUG_MT6589_UART0 6421dc93416SArnd Bergmann bool "Mediatek mt6589 UART0" 6431dc93416SArnd Bergmann depends on ARCH_MEDIATEK 6441dc93416SArnd Bergmann select DEBUG_UART_8250 645c7c3eac6SShawn Guo help 646c7c3eac6SShawn Guo Say Y here if you want kernel low-level debugging support 6471dc93416SArnd Bergmann for Mediatek mt6589 based platforms on UART0. 6481dc93416SArnd Bergmann 6491dc93416SArnd Bergmann config DEBUG_MT8127_UART0 6501dc93416SArnd Bergmann bool "Mediatek mt8127/mt6592 UART0" 6511dc93416SArnd Bergmann depends on ARCH_MEDIATEK 6521dc93416SArnd Bergmann select DEBUG_UART_8250 6531dc93416SArnd Bergmann help 6541dc93416SArnd Bergmann Say Y here if you want kernel low-level debugging support 6551dc93416SArnd Bergmann for Mediatek mt8127 based platforms on UART0. 6561dc93416SArnd Bergmann 6571dc93416SArnd Bergmann config DEBUG_MT8135_UART3 6581dc93416SArnd Bergmann bool "Mediatek mt8135 UART3" 6591dc93416SArnd Bergmann depends on ARCH_MEDIATEK 6601dc93416SArnd Bergmann select DEBUG_UART_8250 6611dc93416SArnd Bergmann help 6621dc93416SArnd Bergmann Say Y here if you want kernel low-level debugging support 6631dc93416SArnd Bergmann for Mediatek mt8135 based platforms on UART3. 664c7c3eac6SShawn Guo 665266c3479SLinus Walleij config DEBUG_NOMADIK_UART 666266c3479SLinus Walleij bool "Kernel low-level debugging messages via NOMADIK UART" 667266c3479SLinus Walleij depends on ARCH_NOMADIK 6685c972af4SRussell King select DEBUG_UART_PL01X 669266c3479SLinus Walleij help 670266c3479SLinus Walleij Say Y here if you want kernel low-level debugging support 671266c3479SLinus Walleij on NOMADIK based platforms. 672266c3479SLinus Walleij 6739851ca57SDaniel Tang config DEBUG_NSPIRE_CLASSIC_UART 6749851ca57SDaniel Tang bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" 6759851ca57SDaniel Tang depends on ARCH_NSPIRE 6764a003647SRussell King select DEBUG_UART_8250 6779851ca57SDaniel Tang help 6789851ca57SDaniel Tang Say Y here if you want kernel low-level debugging support 6799851ca57SDaniel Tang on TI-NSPIRE classic models. 6809851ca57SDaniel Tang 6819851ca57SDaniel Tang config DEBUG_NSPIRE_CX_UART 6829851ca57SDaniel Tang bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" 6839851ca57SDaniel Tang depends on ARCH_NSPIRE 6845c972af4SRussell King select DEBUG_UART_PL01X 6859851ca57SDaniel Tang help 6869851ca57SDaniel Tang Say Y here if you want kernel low-level debugging support 6879851ca57SDaniel Tang on TI-NSPIRE CX models. 6889851ca57SDaniel Tang 689c26b9993SDaniel Thompson config DEBUG_OMAP1UART1 690c26b9993SDaniel Thompson bool "Kernel low-level debugging via OMAP1 UART1" 691c26b9993SDaniel Thompson depends on ARCH_OMAP1 692c26b9993SDaniel Thompson select DEBUG_UART_8250 693c26b9993SDaniel Thompson help 694c26b9993SDaniel Thompson Say Y here if you want kernel low-level debugging support 695c26b9993SDaniel Thompson on OMAP1 based platforms (except OMAP730) on the UART1. 696c26b9993SDaniel Thompson 697c26b9993SDaniel Thompson config DEBUG_OMAP1UART2 698c26b9993SDaniel Thompson bool "Kernel low-level debugging via OMAP1 UART2" 699c26b9993SDaniel Thompson depends on ARCH_OMAP1 700c26b9993SDaniel Thompson select DEBUG_UART_8250 701c26b9993SDaniel Thompson help 702c26b9993SDaniel Thompson Say Y here if you want kernel low-level debugging support 703c26b9993SDaniel Thompson on OMAP1 based platforms (except OMAP730) on the UART2. 704c26b9993SDaniel Thompson 705c26b9993SDaniel Thompson config DEBUG_OMAP1UART3 706c26b9993SDaniel Thompson bool "Kernel low-level debugging via OMAP1 UART3" 707c26b9993SDaniel Thompson depends on ARCH_OMAP1 708c26b9993SDaniel Thompson select DEBUG_UART_8250 709c26b9993SDaniel Thompson help 710c26b9993SDaniel Thompson Say Y here if you want kernel low-level debugging support 711c26b9993SDaniel Thompson on OMAP1 based platforms (except OMAP730) on the UART3. 712c26b9993SDaniel Thompson 713cce278d2SRussell King config DEBUG_OMAP2UART1 714cce278d2SRussell King bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" 715808b7e07STony Lindgren depends on ARCH_OMAP2PLUS 716d2b310b0STony Lindgren select DEBUG_UART_8250 717808b7e07STony Lindgren help 718cce278d2SRussell King This covers at least h4, 2430sdp, 3430sdp, 3630sdp, 719cce278d2SRussell King omap3 torpedo and 3530 lv som. 720cce278d2SRussell King 721cce278d2SRussell King config DEBUG_OMAP2UART2 722cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" 723cce278d2SRussell King depends on ARCH_OMAP2PLUS 724d2b310b0STony Lindgren select DEBUG_UART_8250 725cce278d2SRussell King 726cce278d2SRussell King config DEBUG_OMAP2UART3 727cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" 728cce278d2SRussell King depends on ARCH_OMAP2PLUS 729d2b310b0STony Lindgren select DEBUG_UART_8250 730cce278d2SRussell King 731cce278d2SRussell King config DEBUG_OMAP3UART3 732cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" 733cce278d2SRussell King depends on ARCH_OMAP2PLUS 734fc23beb8STony Lindgren select DEBUG_UART_8250 735cce278d2SRussell King help 736cce278d2SRussell King This covers at least cm_t3x, beagle, crane, devkit8000, 737cce278d2SRussell King igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, 738cce278d2SRussell King and 3517evm. 739cce278d2SRussell King 740cce278d2SRussell King config DEBUG_OMAP4UART3 741cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" 742cce278d2SRussell King depends on ARCH_OMAP2PLUS 743fc23beb8STony Lindgren select DEBUG_UART_8250 744cce278d2SRussell King 745cce278d2SRussell King config DEBUG_OMAP3UART4 746cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP36XX UART4" 747cce278d2SRussell King depends on ARCH_OMAP2PLUS 748fc23beb8STony Lindgren select DEBUG_UART_8250 749cce278d2SRussell King 750cce278d2SRussell King config DEBUG_OMAP4UART4 751cce278d2SRussell King bool "Kernel low-level debugging messages via OMAP4/5 UART4" 752cce278d2SRussell King depends on ARCH_OMAP2PLUS 753fc23beb8STony Lindgren select DEBUG_UART_8250 754cce278d2SRussell King 755cce278d2SRussell King config DEBUG_TI81XXUART1 756cce278d2SRussell King bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" 757cce278d2SRussell King depends on ARCH_OMAP2PLUS 7582d1f7d2eSTony Lindgren select DEBUG_UART_8250 759cce278d2SRussell King 760cce278d2SRussell King config DEBUG_TI81XXUART2 761cce278d2SRussell King bool "Kernel low-level debugging messages via TI81XX UART2" 762cce278d2SRussell King depends on ARCH_OMAP2PLUS 7632d1f7d2eSTony Lindgren select DEBUG_UART_8250 764cce278d2SRussell King 765cce278d2SRussell King config DEBUG_TI81XXUART3 766cce278d2SRussell King bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" 767cce278d2SRussell King depends on ARCH_OMAP2PLUS 7682d1f7d2eSTony Lindgren select DEBUG_UART_8250 769cce278d2SRussell King 770cce278d2SRussell King config DEBUG_AM33XXUART1 771cce278d2SRussell King bool "Kernel low-level debugging messages via AM33XX UART1" 772cce278d2SRussell King depends on ARCH_OMAP2PLUS 77351ef7003STony Lindgren select DEBUG_UART_8250 774cce278d2SRussell King 775cce278d2SRussell King config DEBUG_ZOOM_UART 776cce278d2SRussell King bool "Kernel low-level debugging messages via Zoom2/3 UART" 777cce278d2SRussell King depends on ARCH_OMAP2PLUS 778cce278d2SRussell King select DEBUG_OMAP2PLUS_UART 779808b7e07STony Lindgren 7800a43cd3bSHaojian Zhuang config DEBUG_PXA_UART1 7810a43cd3bSHaojian Zhuang depends on ARCH_PXA 7820a43cd3bSHaojian Zhuang bool "Use PXA UART1 for low-level debug" 7834a003647SRussell King select DEBUG_UART_8250 7840a43cd3bSHaojian Zhuang help 7850a43cd3bSHaojian Zhuang Say Y here if you want kernel low-level debugging support 7860a43cd3bSHaojian Zhuang on PXA UART1. 7870a43cd3bSHaojian Zhuang 7881dc93416SArnd Bergmann config DEBUG_QCOM_UARTDM 7891dc93416SArnd Bergmann bool "Kernel low-level debugging messages via QCOM UARTDM" 7901dc93416SArnd Bergmann depends on ARCH_QCOM 7911dc93416SArnd Bergmann help 7921dc93416SArnd Bergmann Say Y here if you want the debug print routines to direct 7931dc93416SArnd Bergmann their output to the serial port on Qualcomm devices. 7941dc93416SArnd Bergmann 7951dc93416SArnd Bergmann ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT 7961dc93416SArnd Bergmann APQ8064 0x16640000 0xf0040000 7971dc93416SArnd Bergmann APQ8084 0xf995e000 0xfa75e000 7987b87fe94SChristian Lamparter IPQ4019 0x078af000 0xf78af000 7991dc93416SArnd Bergmann MSM8X60 0x19c40000 0xf0040000 8001dc93416SArnd Bergmann MSM8960 0x16440000 0xf0040000 8011dc93416SArnd Bergmann MSM8974 0xf991e000 0xfa71e000 8021dc93416SArnd Bergmann 8031dc93416SArnd Bergmann Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration 8041dc93416SArnd Bergmann options based on your needs. 8051dc93416SArnd Bergmann 806e76f4750SRussell King config DEBUG_REALVIEW_STD_PORT 807e76f4750SRussell King bool "RealView Default UART" 808e76f4750SRussell King depends on ARCH_REALVIEW 8095c972af4SRussell King select DEBUG_UART_PL01X 810e76f4750SRussell King help 811e76f4750SRussell King Say Y here if you want the debug print routines to direct 812e76f4750SRussell King their output to the serial port on RealView EB, PB11MP, PBA8 813e76f4750SRussell King and PBX platforms. 814e76f4750SRussell King 815e76f4750SRussell King config DEBUG_REALVIEW_PB1176_PORT 816e76f4750SRussell King bool "RealView PB1176 UART" 817e76f4750SRussell King depends on MACH_REALVIEW_PB1176 8185c972af4SRussell King select DEBUG_UART_PL01X 819e76f4750SRussell King help 820e76f4750SRussell King Say Y here if you want the debug print routines to direct 821e76f4750SRussell King their output to the standard serial port on the RealView 822e76f4750SRussell King PB1176 platform. 823e76f4750SRussell King 824a3b882f9SAndy Yan config DEBUG_RV1108_UART0 825a3b882f9SAndy Yan bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" 826a3b882f9SAndy Yan depends on ARCH_ROCKCHIP 827a3b882f9SAndy Yan select DEBUG_UART_8250 828a3b882f9SAndy Yan help 829a3b882f9SAndy Yan Say Y here if you want kernel low-level debugging support 830a3b882f9SAndy Yan on Rockchip RV1108 based platforms. 831a3b882f9SAndy Yan 832a3b882f9SAndy Yan config DEBUG_RV1108_UART1 833a3b882f9SAndy Yan bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" 834a3b882f9SAndy Yan depends on ARCH_ROCKCHIP 835a3b882f9SAndy Yan select DEBUG_UART_8250 836a3b882f9SAndy Yan help 837a3b882f9SAndy Yan Say Y here if you want kernel low-level debugging support 838a3b882f9SAndy Yan on Rockchip RV1108 based platforms. 839a3b882f9SAndy Yan 840a3b882f9SAndy Yan config DEBUG_RV1108_UART2 841a3b882f9SAndy Yan bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" 842a3b882f9SAndy Yan depends on ARCH_ROCKCHIP 843a3b882f9SAndy Yan select DEBUG_UART_8250 844a3b882f9SAndy Yan help 845a3b882f9SAndy Yan Say Y here if you want kernel low-level debugging support 846a3b882f9SAndy Yan on Rockchip RV1108 based platforms. 847a3b882f9SAndy Yan 848cce278d2SRussell King config DEBUG_RK29_UART0 849cce278d2SRussell King bool "Kernel low-level debugging messages via Rockchip RK29 UART0" 85038bd6892SHeiko Stuebner depends on ARCH_ROCKCHIP 8514a003647SRussell King select DEBUG_UART_8250 852cce278d2SRussell King help 853cce278d2SRussell King Say Y here if you want kernel low-level debugging support 854cce278d2SRussell King on Rockchip based platforms. 855cce278d2SRussell King 856cce278d2SRussell King config DEBUG_RK29_UART1 857cce278d2SRussell King bool "Kernel low-level debugging messages via Rockchip RK29 UART1" 858cce278d2SRussell King depends on ARCH_ROCKCHIP 8594a003647SRussell King select DEBUG_UART_8250 860cce278d2SRussell King help 861cce278d2SRussell King Say Y here if you want kernel low-level debugging support 862cce278d2SRussell King on Rockchip based platforms. 863cce278d2SRussell King 864cce278d2SRussell King config DEBUG_RK29_UART2 865cce278d2SRussell King bool "Kernel low-level debugging messages via Rockchip RK29 UART2" 866cce278d2SRussell King depends on ARCH_ROCKCHIP 8674a003647SRussell King select DEBUG_UART_8250 868cce278d2SRussell King help 869cce278d2SRussell King Say Y here if you want kernel low-level debugging support 870cce278d2SRussell King on Rockchip based platforms. 871cce278d2SRussell King 872cce278d2SRussell King config DEBUG_RK3X_UART0 873aa9c4f74SHeiko Stuebner bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" 874cce278d2SRussell King depends on ARCH_ROCKCHIP 8754a003647SRussell King select DEBUG_UART_8250 876cce278d2SRussell King help 877cce278d2SRussell King Say Y here if you want kernel low-level debugging support 878cce278d2SRussell King on Rockchip based platforms. 879cce278d2SRussell King 880cce278d2SRussell King config DEBUG_RK3X_UART1 881aa9c4f74SHeiko Stuebner bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" 882cce278d2SRussell King depends on ARCH_ROCKCHIP 8834a003647SRussell King select DEBUG_UART_8250 884cce278d2SRussell King help 885cce278d2SRussell King Say Y here if you want kernel low-level debugging support 886cce278d2SRussell King on Rockchip based platforms. 887cce278d2SRussell King 888cce278d2SRussell King config DEBUG_RK3X_UART2 889aa9c4f74SHeiko Stuebner bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" 890cce278d2SRussell King depends on ARCH_ROCKCHIP 8914a003647SRussell King select DEBUG_UART_8250 892cce278d2SRussell King help 893cce278d2SRussell King Say Y here if you want kernel low-level debugging support 894cce278d2SRussell King on Rockchip based platforms. 895cce278d2SRussell King 896cce278d2SRussell King config DEBUG_RK3X_UART3 897aa9c4f74SHeiko Stuebner bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" 898cce278d2SRussell King depends on ARCH_ROCKCHIP 8994a003647SRussell King select DEBUG_UART_8250 90038bd6892SHeiko Stuebner help 90138bd6892SHeiko Stuebner Say Y here if you want kernel low-level debugging support 90238bd6892SHeiko Stuebner on Rockchip based platforms. 90338bd6892SHeiko Stuebner 904efd02ee9SHeiko Stuebner config DEBUG_RK32_UART2 905efd02ee9SHeiko Stuebner bool "Kernel low-level debugging messages via Rockchip RK32 UART2" 906efd02ee9SHeiko Stuebner depends on ARCH_ROCKCHIP 907efd02ee9SHeiko Stuebner select DEBUG_UART_8250 908efd02ee9SHeiko Stuebner help 909efd02ee9SHeiko Stuebner Say Y here if you want kernel low-level debugging support 910efd02ee9SHeiko Stuebner on Rockchip RK32xx based platforms. 911efd02ee9SHeiko Stuebner 9127a2071c5SGeert Uytterhoeven config DEBUG_R7S72100_SCIF2 9137a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF2 on R7S72100" 9147a2071c5SGeert Uytterhoeven depends on ARCH_R7S72100 9157a2071c5SGeert Uytterhoeven help 9167a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 9177a2071c5SGeert Uytterhoeven via SCIF2 on Renesas RZ/A1H (R7S72100). 9187a2071c5SGeert Uytterhoeven 919e9670ccbSGeert Uytterhoeven config DEBUG_R7S9210_SCIF2 920e9670ccbSGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF2 on R7S9210" 921e9670ccbSGeert Uytterhoeven depends on ARCH_R7S9210 922e9670ccbSGeert Uytterhoeven help 923e9670ccbSGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 924e9670ccbSGeert Uytterhoeven via SCIF2 on Renesas RZ/A2M (R7S9210). 925e9670ccbSGeert Uytterhoeven 926e9670ccbSGeert Uytterhoeven config DEBUG_R7S9210_SCIF4 927e9670ccbSGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF4 on R7S9210" 928e9670ccbSGeert Uytterhoeven depends on ARCH_R7S9210 929e9670ccbSGeert Uytterhoeven help 930e9670ccbSGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 931e9670ccbSGeert Uytterhoeven via SCIF4 on Renesas RZ/A2M (R7S9210). 932e9670ccbSGeert Uytterhoeven 9337a2071c5SGeert Uytterhoeven config DEBUG_RCAR_GEN1_SCIF0 9347a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF0 on R8A7778" 9357a2071c5SGeert Uytterhoeven depends on ARCH_R8A7778 9367a2071c5SGeert Uytterhoeven help 9377a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 9387a2071c5SGeert Uytterhoeven via SCIF0 on Renesas R-Car M1A (R8A7778). 9397a2071c5SGeert Uytterhoeven 9407a2071c5SGeert Uytterhoeven config DEBUG_RCAR_GEN1_SCIF2 9417a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF2 on R8A7779" 9427a2071c5SGeert Uytterhoeven depends on ARCH_R8A7779 9437a2071c5SGeert Uytterhoeven help 9447a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 9457a2071c5SGeert Uytterhoeven via SCIF2 on Renesas R-Car H1 (R8A7779). 9467a2071c5SGeert Uytterhoeven 9477a2071c5SGeert Uytterhoeven config DEBUG_RCAR_GEN2_SCIF0 948fcfbb6f1SChris Paterson bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" 949abf3bf53SBiju Das depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ 950abf3bf53SBiju Das ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 9517a2071c5SGeert Uytterhoeven help 9527a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 953abf3bf53SBiju Das via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), 954abf3bf53SBiju Das R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or 955abf3bf53SBiju Das M2-N (R8A7793). 9567a2071c5SGeert Uytterhoeven 9572f095c26SBiju Das config DEBUG_RCAR_GEN2_SCIF1 9582f095c26SBiju Das bool "Kernel low-level debugging messages via SCIF1 on R8A77470" 9592f095c26SBiju Das depends on ARCH_R8A77470 9602f095c26SBiju Das help 9612f095c26SBiju Das Say Y here if you want kernel low-level debugging support 9622f095c26SBiju Das via SCIF1 on Renesas RZ/G1C (R8A77470). 9632f095c26SBiju Das 9647a2071c5SGeert Uytterhoeven config DEBUG_RCAR_GEN2_SCIF2 9657a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIF2 on R8A7794" 9667a2071c5SGeert Uytterhoeven depends on ARCH_R8A7794 9677a2071c5SGeert Uytterhoeven help 9687a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 9697a2071c5SGeert Uytterhoeven via SCIF2 on Renesas R-Car E2 (R8A7794). 9707a2071c5SGeert Uytterhoeven 9718e5f2d65SFabrizio Castro config DEBUG_RCAR_GEN2_SCIF4 9728e5f2d65SFabrizio Castro bool "Kernel low-level debugging messages via SCIF4 on R8A7745" 9738e5f2d65SFabrizio Castro depends on ARCH_R8A7745 9748e5f2d65SFabrizio Castro help 9758e5f2d65SFabrizio Castro Say Y here if you want kernel low-level debugging support 9768e5f2d65SFabrizio Castro via SCIF4 on Renesas RZ/G1E (R8A7745). 9778e5f2d65SFabrizio Castro 97896866b1aSLad Prabhakar config DEBUG_RCAR_GEN2_SCIFA2 97996866b1aSLad Prabhakar bool "Kernel low-level debugging messages via SCIFA2 on R8A7742" 98096866b1aSLad Prabhakar depends on ARCH_R8A7742 98196866b1aSLad Prabhakar help 98296866b1aSLad Prabhakar Say Y here if you want kernel low-level debugging support 98396866b1aSLad Prabhakar via SCIFA2 on Renesas RZ/G1H (R8A7742). 98496866b1aSLad Prabhakar 9857a2071c5SGeert Uytterhoeven config DEBUG_RMOBILE_SCIFA0 98659b89af1SMagnus Damm bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" 98759b89af1SMagnus Damm depends on ARCH_R8A73A4 9887a2071c5SGeert Uytterhoeven help 9897a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 99059b89af1SMagnus Damm via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). 9917a2071c5SGeert Uytterhoeven 9927a2071c5SGeert Uytterhoeven config DEBUG_RMOBILE_SCIFA1 9937a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" 9947a2071c5SGeert Uytterhoeven depends on ARCH_R8A7740 9957a2071c5SGeert Uytterhoeven help 9967a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 9977a2071c5SGeert Uytterhoeven via SCIFA1 on Renesas R-Mobile A1 (R8A7740). 9987a2071c5SGeert Uytterhoeven 9997a2071c5SGeert Uytterhoeven config DEBUG_RMOBILE_SCIFA4 10007a2071c5SGeert Uytterhoeven bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" 10017a2071c5SGeert Uytterhoeven depends on ARCH_SH73A0 10027a2071c5SGeert Uytterhoeven help 10037a2071c5SGeert Uytterhoeven Say Y here if you want kernel low-level debugging support 10047a2071c5SGeert Uytterhoeven via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). 10057a2071c5SGeert Uytterhoeven 1006e76f4750SRussell King config DEBUG_S3C_UART0 1007db8230d2SArnd Bergmann depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1008a2e40710SArnd Bergmann select DEBUG_EXYNOS_UART if ARCH_EXYNOS 10091899de28SHeiko Stuebner select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1010bb08dea1SArnd Bergmann select DEBUG_S3C64XX_UART if ARCH_S3C64XX 10117bab7d9eSTomasz Figa select DEBUG_S5PV210_UART if ARCH_S5PV210 10125cc8a016SSachin Kamat bool "Use Samsung S3C UART 0 for low-level debug" 1013e76f4750SRussell King help 1014e76f4750SRussell King Say Y here if you want the debug print routines to direct 1015e76f4750SRussell King their output to UART 0. The port must have been initialised 1016e76f4750SRussell King by the boot-loader before use. 1017e76f4750SRussell King 1018e76f4750SRussell King config DEBUG_S3C_UART1 1019db8230d2SArnd Bergmann depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1020a2e40710SArnd Bergmann select DEBUG_EXYNOS_UART if ARCH_EXYNOS 10211899de28SHeiko Stuebner select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1022bb08dea1SArnd Bergmann select DEBUG_S3C64XX_UART if ARCH_S3C64XX 10237bab7d9eSTomasz Figa select DEBUG_S5PV210_UART if ARCH_S5PV210 10245cc8a016SSachin Kamat bool "Use Samsung S3C UART 1 for low-level debug" 1025e76f4750SRussell King help 1026e76f4750SRussell King Say Y here if you want the debug print routines to direct 1027e76f4750SRussell King their output to UART 1. The port must have been initialised 1028e76f4750SRussell King by the boot-loader before use. 1029e76f4750SRussell King 1030e76f4750SRussell King config DEBUG_S3C_UART2 1031db8230d2SArnd Bergmann depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS 1032a2e40710SArnd Bergmann select DEBUG_EXYNOS_UART if ARCH_EXYNOS 10331899de28SHeiko Stuebner select DEBUG_S3C24XX_UART if ARCH_S3C24XX 1034bb08dea1SArnd Bergmann select DEBUG_S3C64XX_UART if ARCH_S3C64XX 10357bab7d9eSTomasz Figa select DEBUG_S5PV210_UART if ARCH_S5PV210 10365cc8a016SSachin Kamat bool "Use Samsung S3C UART 2 for low-level debug" 1037e76f4750SRussell King help 1038e76f4750SRussell King Say Y here if you want the debug print routines to direct 1039e76f4750SRussell King their output to UART 2. The port must have been initialised 1040e76f4750SRussell King by the boot-loader before use. 1041e76f4750SRussell King 10425fa23ddeSOlof Johansson config DEBUG_S3C_UART3 1043cb6c0301SArnd Bergmann depends on ARCH_EXYNOS || ARCH_S5PV210 10447bab7d9eSTomasz Figa select DEBUG_EXYNOS_UART if ARCH_EXYNOS 1045bb08dea1SArnd Bergmann select DEBUG_S3C64XX_UART if ARCH_S3C64XX 10467bab7d9eSTomasz Figa select DEBUG_S5PV210_UART if ARCH_S5PV210 10475cc8a016SSachin Kamat bool "Use Samsung S3C UART 3 for low-level debug" 10485fa23ddeSOlof Johansson help 10495fa23ddeSOlof Johansson Say Y here if you want the debug print routines to direct 10505fa23ddeSOlof Johansson their output to UART 3. The port must have been initialised 10515fa23ddeSOlof Johansson by the boot-loader before use. 10525fa23ddeSOlof Johansson 1053daf67dfcSHeiko Stuebner config DEBUG_S3C2410_UART0 1054daf67dfcSHeiko Stuebner depends on ARCH_S3C24XX 1055daf67dfcSHeiko Stuebner select DEBUG_S3C2410_UART 1056daf67dfcSHeiko Stuebner bool "Use S3C2410/S3C2412 UART 0 for low-level debug" 1057daf67dfcSHeiko Stuebner help 1058daf67dfcSHeiko Stuebner Say Y here if you want the debug print routines to direct 1059daf67dfcSHeiko Stuebner their output to UART 0. The port must have been initialised 1060daf67dfcSHeiko Stuebner by the boot-loader before use. 1061daf67dfcSHeiko Stuebner 1062daf67dfcSHeiko Stuebner config DEBUG_S3C2410_UART1 1063daf67dfcSHeiko Stuebner depends on ARCH_S3C24XX 1064daf67dfcSHeiko Stuebner select DEBUG_S3C2410_UART 1065daf67dfcSHeiko Stuebner bool "Use S3C2410/S3C2412 UART 1 for low-level debug" 1066daf67dfcSHeiko Stuebner help 1067daf67dfcSHeiko Stuebner Say Y here if you want the debug print routines to direct 1068daf67dfcSHeiko Stuebner their output to UART 1. The port must have been initialised 1069daf67dfcSHeiko Stuebner by the boot-loader before use. 1070daf67dfcSHeiko Stuebner 1071daf67dfcSHeiko Stuebner config DEBUG_S3C2410_UART2 1072daf67dfcSHeiko Stuebner depends on ARCH_S3C24XX 1073daf67dfcSHeiko Stuebner select DEBUG_S3C2410_UART 1074daf67dfcSHeiko Stuebner bool "Use S3C2410/S3C2412 UART 2 for low-level debug" 1075daf67dfcSHeiko Stuebner help 1076daf67dfcSHeiko Stuebner Say Y here if you want the debug print routines to direct 1077daf67dfcSHeiko Stuebner their output to UART 2. The port must have been initialised 1078daf67dfcSHeiko Stuebner by the boot-loader before use. 1079daf67dfcSHeiko Stuebner 1080e6131fa3SDmitry Eremin-Solenikov config DEBUG_SA1100 1081e6131fa3SDmitry Eremin-Solenikov depends on ARCH_SA1100 1082e6131fa3SDmitry Eremin-Solenikov bool "Use SA1100 UARTs for low-level debug" 1083e6131fa3SDmitry Eremin-Solenikov help 1084e6131fa3SDmitry Eremin-Solenikov Say Y here if you want kernel low-level debugging support 1085e6131fa3SDmitry Eremin-Solenikov on SA-11x0 UART ports. The kernel will check for the first 1086e6131fa3SDmitry Eremin-Solenikov enabled UART in a sequence 3-1-2. 1087e6131fa3SDmitry Eremin-Solenikov 1088c5fdb668SKefeng Wang config DEBUG_SD5203_UART 1089c5fdb668SKefeng Wang bool "Hisilicon SD5203 Debug UART" 1090c5fdb668SKefeng Wang depends on ARCH_SD5203 1091c5fdb668SKefeng Wang select DEBUG_UART_8250 1092c5fdb668SKefeng Wang help 1093c5fdb668SKefeng Wang Say Y here if you want kernel low-level debugging support 1094c5fdb668SKefeng Wang on SD5203 UART. 1095c5fdb668SKefeng Wang 1096de73c162SDinh Nguyen config DEBUG_SOCFPGA_UART0 1097910499e1SKrzysztof Kozlowski depends on ARCH_INTEL_SOCFPGA 1098de73c162SDinh Nguyen bool "Use SOCFPGA UART0 for low-level debug" 10990b4cccbeSRussell King select DEBUG_UART_8250 11006111bf7cSRob Herring help 11016111bf7cSRob Herring Say Y here if you want kernel low-level debugging support 1102de73c162SDinh Nguyen on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 1103de73c162SDinh Nguyen 1104f6628486SClément Péron config DEBUG_SOCFPGA_ARRIA10_UART1 1105910499e1SKrzysztof Kozlowski depends on ARCH_INTEL_SOCFPGA 1106f6628486SClément Péron bool "Use SOCFPGA Arria10 UART1 for low-level debug" 1107de73c162SDinh Nguyen select DEBUG_UART_8250 1108de73c162SDinh Nguyen help 1109de73c162SDinh Nguyen Say Y here if you want kernel low-level debugging support 1110de73c162SDinh Nguyen on SOCFPGA(Arria 10) based platforms. 1111de73c162SDinh Nguyen 1112f6628486SClément Péron config DEBUG_SOCFPGA_CYCLONE5_UART1 1113910499e1SKrzysztof Kozlowski depends on ARCH_INTEL_SOCFPGA 1114f6628486SClément Péron bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" 1115f6628486SClément Péron select DEBUG_UART_8250 1116f6628486SClément Péron help 1117f6628486SClément Péron Say Y here if you want kernel low-level debugging support 1118f6628486SClément Péron on SOCFPGA(Cyclone 5 and Arria 5) based platforms. 11196111bf7cSRob Herring 1120d4da889aSChen-Yu Tsai config DEBUG_SUN9I_UART0 1121d4da889aSChen-Yu Tsai bool "Kernel low-level debugging messages via sun9i UART0" 1122d4da889aSChen-Yu Tsai depends on MACH_SUN9I 1123d4da889aSChen-Yu Tsai select DEBUG_UART_8250 1124d4da889aSChen-Yu Tsai help 1125d4da889aSChen-Yu Tsai Say Y here if you want kernel low-level debugging support 1126d4da889aSChen-Yu Tsai on Allwinner A80 based platforms on the UART0. 1127d4da889aSChen-Yu Tsai 1128aa25115aSStefan Roese config DEBUG_SUNXI_UART0 1129aa25115aSStefan Roese bool "Kernel low-level debugging messages via sunXi UART0" 1130aa25115aSStefan Roese depends on ARCH_SUNXI 11314a003647SRussell King select DEBUG_UART_8250 1132aa25115aSStefan Roese help 1133aa25115aSStefan Roese Say Y here if you want kernel low-level debugging support 1134aa25115aSStefan Roese on Allwinner A1X based platforms on the UART0. 1135aa25115aSStefan Roese 1136cb84fa18SMaxime Ripard config DEBUG_SUNXI_UART1 1137cb84fa18SMaxime Ripard bool "Kernel low-level debugging messages via sunXi UART1" 1138cb84fa18SMaxime Ripard depends on ARCH_SUNXI 11394a003647SRussell King select DEBUG_UART_8250 1140cb84fa18SMaxime Ripard help 1141cb84fa18SMaxime Ripard Say Y here if you want kernel low-level debugging support 1142cb84fa18SMaxime Ripard on Allwinner A1X based platforms on the UART1. 1143cb84fa18SMaxime Ripard 1144c4718543SChen-Yu Tsai config DEBUG_SUNXI_R_UART 1145c4718543SChen-Yu Tsai bool "Kernel low-level debugging messages via sunXi R_UART" 1146c4718543SChen-Yu Tsai depends on MACH_SUN6I || MACH_SUN8I 1147c4718543SChen-Yu Tsai select DEBUG_UART_8250 1148c4718543SChen-Yu Tsai help 1149c4718543SChen-Yu Tsai Say Y here if you want kernel low-level debugging support 1150c4718543SChen-Yu Tsai on Allwinner A31/A23 based platforms on the R_UART. 1151c4718543SChen-Yu Tsai 1152375d84cfSArnd Bergmann config DEBUG_SPEAR3XX 1153375d84cfSArnd Bergmann bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" 1154375d84cfSArnd Bergmann depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX 1155375d84cfSArnd Bergmann select DEBUG_UART_PL01X 1156375d84cfSArnd Bergmann help 1157375d84cfSArnd Bergmann Say Y here if you want kernel low-level debugging support 1158375d84cfSArnd Bergmann on ST SPEAr based platforms. 1159375d84cfSArnd Bergmann 1160375d84cfSArnd Bergmann config DEBUG_SPEAR13XX 1161375d84cfSArnd Bergmann bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" 1162375d84cfSArnd Bergmann depends on ARCH_SPEAR13XX 1163375d84cfSArnd Bergmann select DEBUG_UART_PL01X 1164375d84cfSArnd Bergmann help 1165375d84cfSArnd Bergmann Say Y here if you want kernel low-level debugging support 1166375d84cfSArnd Bergmann on ST SPEAr13xx based platforms. 1167375d84cfSArnd Bergmann 11689ca4efecSAlain VOLMAT config DEBUG_STIH41X_ASC2 1169cce278d2SRussell King bool "Use StiH415/416 ASC2 UART for low-level debug" 11705562b800SArnd Bergmann depends on ARCH_STI 11715562b800SArnd Bergmann help 11725562b800SArnd Bergmann Say Y here if you want kernel low-level debugging support 1173cce278d2SRussell King on STiH415/416 based platforms like b2000, which has 1174cce278d2SRussell King default UART wired up to ASC2. 1175cce278d2SRussell King 1176cce278d2SRussell King If unsure, say N. 1177cce278d2SRussell King 11789ca4efecSAlain VOLMAT config DEBUG_STIH41X_SBC_ASC1 1179cce278d2SRussell King bool "Use StiH415/416 SBC ASC1 UART for low-level debug" 1180cce278d2SRussell King depends on ARCH_STI 1181cce278d2SRussell King help 1182cce278d2SRussell King Say Y here if you want kernel low-level debugging support 1183cce278d2SRussell King on STiH415/416 based platforms like b2020. which has 1184cce278d2SRussell King default UART wired up to SBC ASC1. 11855562b800SArnd Bergmann 11865562b800SArnd Bergmann If unsure, say N. 11875562b800SArnd Bergmann 11886e959ad8SAlain VOLMAT config DEBUG_STIH418_SBC_ASC0 11896e959ad8SAlain VOLMAT bool "Use StiH418 SBC ASC0 UART for low-level debug" 11906e959ad8SAlain VOLMAT depends on ARCH_STI 11916e959ad8SAlain VOLMAT help 11926e959ad8SAlain VOLMAT Say Y here if you want kernel low-level debugging support 11936e959ad8SAlain VOLMAT on STiH418 based platforms which has default UART wired 11946e959ad8SAlain VOLMAT up to SBC ASC0. 11956e959ad8SAlain VOLMAT 11966e959ad8SAlain VOLMAT If unsure, say N. 11976e959ad8SAlain VOLMAT 1198d88bb418SGerald Baeza config STM32F4_DEBUG_UART 1199d88bb418SGerald Baeza bool "Use STM32F4 UART for low-level debug" 120079d5cfd1SErwan Le Ray depends on MACH_STM32F429 || MACH_STM32F469 1201d88bb418SGerald Baeza select DEBUG_STM32_UART 1202d88bb418SGerald Baeza help 1203d88bb418SGerald Baeza Say Y here if you want kernel low-level debugging support 1204d88bb418SGerald Baeza on STM32F4 based platforms, which default UART is wired on 120579d5cfd1SErwan Le Ray USART1, but another UART instance can be selected by modifying 120679d5cfd1SErwan Le Ray CONFIG_DEBUG_UART_PHYS. 1207d88bb418SGerald Baeza 1208d88bb418SGerald Baeza If unsure, say N. 1209d88bb418SGerald Baeza 1210d88bb418SGerald Baeza config STM32F7_DEBUG_UART 1211d88bb418SGerald Baeza bool "Use STM32F7 UART for low-level debug" 121213f71fa8SErwan Le Ray depends on MACH_STM32F746 || MACH_STM32F769 1213d88bb418SGerald Baeza select DEBUG_STM32_UART 1214d88bb418SGerald Baeza help 1215d88bb418SGerald Baeza Say Y here if you want kernel low-level debugging support 1216d88bb418SGerald Baeza on STM32F7 based platforms, which default UART is wired on 121713f71fa8SErwan Le Ray USART1, but another UART instance can be selected by modifying 121813f71fa8SErwan Le Ray CONFIG_DEBUG_UART_PHYS. 1219d88bb418SGerald Baeza 1220d88bb418SGerald Baeza If unsure, say N. 1221d88bb418SGerald Baeza 122233cab895SErwan Le Ray config STM32H7_DEBUG_UART 122333cab895SErwan Le Ray bool "Use STM32H7 UART for low-level debug" 122433cab895SErwan Le Ray depends on MACH_STM32H743 122533cab895SErwan Le Ray select DEBUG_STM32_UART 122633cab895SErwan Le Ray help 122733cab895SErwan Le Ray Say Y here if you want kernel low-level debugging support 122833cab895SErwan Le Ray on STM32H7 based platforms, which default UART is wired on 122933cab895SErwan Le Ray USART1, but another UART instance can be selected by modifying 123033cab895SErwan Le Ray CONFIG_DEBUG_UART_PHYS. 123133cab895SErwan Le Ray 123233cab895SErwan Le Ray If unsure, say N. 123333cab895SErwan Le Ray 123462c1594dSErwan Le Ray config STM32MP1_DEBUG_UART 123562c1594dSErwan Le Ray bool "Use STM32MP1 UART for low-level debug" 123662c1594dSErwan Le Ray depends on MACH_STM32MP157 123762c1594dSErwan Le Ray select DEBUG_STM32_UART 123862c1594dSErwan Le Ray help 123962c1594dSErwan Le Ray Say Y here if you want kernel low-level debugging support 124062c1594dSErwan Le Ray on STM32MP1 based platforms, wich default UART is wired on 124162c1594dSErwan Le Ray UART4, but another UART instance can be selected by modifying 124262c1594dSErwan Le Ray CONFIG_DEBUG_UART_PHYS and CONFIG_DEBUG_UART_VIRT. 124362c1594dSErwan Le Ray 124462c1594dSErwan Le Ray If unsure, say N. 124562c1594dSErwan Le Ray 12461da177e4SLinus Torvalds config TEGRA_DEBUG_UART_AUTO_ODMDATA 12471da177e4SLinus Torvalds bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" 12481da177e4SLinus Torvalds depends on ARCH_TEGRA 12491da177e4SLinus Torvalds select DEBUG_TEGRA_UART 12501da177e4SLinus Torvalds help 12511da177e4SLinus Torvalds Automatically determines which UART to use for low-level 12521da177e4SLinus Torvalds debug based on the ODMDATA value. This value is part of 12531da177e4SLinus Torvalds the BCT, and is written to the boot memory device using 12541da177e4SLinus Torvalds nvflash, or other flashing tool. When bits 19:18 are 3, 12551da177e4SLinus Torvalds then bits 17:15 indicate which UART to use; 0/1/2/3/4 12561da177e4SLinus Torvalds are UART A/B/C/D/E. 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvalds config TEGRA_DEBUG_UARTA 12591da177e4SLinus Torvalds bool "Kernel low-level debugging messages via Tegra UART A" 12601da177e4SLinus Torvalds depends on ARCH_TEGRA 12611da177e4SLinus Torvalds select DEBUG_TEGRA_UART 12621da177e4SLinus Torvalds help 12631da177e4SLinus Torvalds Say Y here if you want kernel low-level debugging support 12641da177e4SLinus Torvalds on Tegra based platforms. 1265e76f4750SRussell King 1266e76f4750SRussell King config TEGRA_DEBUG_UARTB 1267e76f4750SRussell King bool "Kernel low-level debugging messages via Tegra UART B" 1268e76f4750SRussell King depends on ARCH_TEGRA 1269e76f4750SRussell King select DEBUG_TEGRA_UART 1270e76f4750SRussell King help 1271e76f4750SRussell King Say Y here if you want kernel low-level debugging support 1272e76f4750SRussell King on Tegra based platforms. 1273e76f4750SRussell King 1274e76f4750SRussell King config TEGRA_DEBUG_UARTC 1275e76f4750SRussell King bool "Kernel low-level debugging messages via Tegra UART C" 1276e76f4750SRussell King depends on ARCH_TEGRA 1277e76f4750SRussell King select DEBUG_TEGRA_UART 1278e76f4750SRussell King help 1279e76f4750SRussell King Say Y here if you want kernel low-level debugging support 1280e76f4750SRussell King on Tegra based platforms. 1281e76f4750SRussell King 1282e76f4750SRussell King config TEGRA_DEBUG_UARTD 1283e76f4750SRussell King bool "Kernel low-level debugging messages via Tegra UART D" 1284e76f4750SRussell King depends on ARCH_TEGRA 1285e76f4750SRussell King select DEBUG_TEGRA_UART 1286e76f4750SRussell King help 1287e76f4750SRussell King Say Y here if you want kernel low-level debugging support 1288e76f4750SRussell King on Tegra based platforms. 1289e76f4750SRussell King 1290e76f4750SRussell King config TEGRA_DEBUG_UARTE 1291e76f4750SRussell King bool "Kernel low-level debugging messages via Tegra UART E" 1292e76f4750SRussell King depends on ARCH_TEGRA 1293e76f4750SRussell King select DEBUG_TEGRA_UART 1294e76f4750SRussell King help 1295e76f4750SRussell King Say Y here if you want kernel low-level debugging support 1296e76f4750SRussell King on Tegra based platforms. 1297e76f4750SRussell King 1298f87b95ddSLinus Walleij config DEBUG_UX500_UART 1299f87b95ddSLinus Walleij depends on ARCH_U8500 1300f87b95ddSLinus Walleij bool "Use Ux500 UART for low-level debug" 1301f87b95ddSLinus Walleij help 1302f87b95ddSLinus Walleij Say Y here if you want kernel low-level debugging support 1303f87b95ddSLinus Walleij on Ux500 based platforms. 1304f87b95ddSLinus Walleij 13054db22c10SArnd Bergmann config DEBUG_VERSATILE 13064db22c10SArnd Bergmann bool "Kernel low-level debugging messages via ARM Versatile UART" 13074db22c10SArnd Bergmann depends on ARCH_VERSATILE 13084db22c10SArnd Bergmann select DEBUG_UART_PL01X 1309d6682085SMatthias Brugger help 1310d6682085SMatthias Brugger Say Y here if you want kernel low-level debugging support 13114db22c10SArnd Bergmann on ARM Versatile platforms. 131265ec48c0SJoe.C 13131b820eafSPawel Moll config DEBUG_VEXPRESS_UART0_DETECT 13141b820eafSPawel Moll bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" 13151b820eafSPawel Moll depends on ARCH_VEXPRESS && CPU_CP15_MMU 13161b820eafSPawel Moll help 13171b820eafSPawel Moll This option enables a simple heuristic which tries to determine 13181b820eafSPawel Moll the motherboard's memory map variant (original or RS1) and then 13191b820eafSPawel Moll choose the relevant UART0 base address. 13201b820eafSPawel Moll 13211b820eafSPawel Moll Note that this will only work with standard A-class core tiles, 13221b820eafSPawel Moll and may fail with non-standard SMM or custom software models. 13231b820eafSPawel Moll 13241b820eafSPawel Moll config DEBUG_VEXPRESS_UART0_CA9 13251b820eafSPawel Moll bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" 13261b820eafSPawel Moll depends on ARCH_VEXPRESS 13275c972af4SRussell King select DEBUG_UART_PL01X 13281b820eafSPawel Moll help 13291b820eafSPawel Moll This option selects UART0 at 0x10009000. Except for custom models, 13301b820eafSPawel Moll this applies only to the V2P-CA9 tile. 13311b820eafSPawel Moll 13321b820eafSPawel Moll config DEBUG_VEXPRESS_UART0_RS1 13331b820eafSPawel Moll bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" 13341b820eafSPawel Moll depends on ARCH_VEXPRESS 13355c972af4SRussell King select DEBUG_UART_PL01X 13361b820eafSPawel Moll help 13371b820eafSPawel Moll This option selects UART0 at 0x1c090000. This applies to most 13381b820eafSPawel Moll of the tiles using the RS1 memory map, including all new A-class 13391b820eafSPawel Moll core tiles, FPGA-based SMMs and software models. 13401b820eafSPawel Moll 1341ed18bdc8SJonathan Austin config DEBUG_VEXPRESS_UART0_CRX 1342ed18bdc8SJonathan Austin bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" 1343ed18bdc8SJonathan Austin depends on ARCH_VEXPRESS && !MMU 13445c972af4SRussell King select DEBUG_UART_PL01X 1345ed18bdc8SJonathan Austin help 1346ed18bdc8SJonathan Austin This option selects UART0 at 0xb0090000. This is appropriate for 1347ed18bdc8SJonathan Austin Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 1348ed18bdc8SJonathan Austin 13491dc93416SArnd Bergmann config DEBUG_VF_UART 13501dc93416SArnd Bergmann bool "Vybrid UART" 13511dc93416SArnd Bergmann depends on SOC_VF610 13521dc93416SArnd Bergmann help 13531dc93416SArnd Bergmann Say Y here if you want kernel low-level debugging support 13541dc93416SArnd Bergmann on Vybrid based platforms. 13551dc93416SArnd Bergmann 1356b61a2722STony Prisk config DEBUG_VT8500_UART0 1357b61a2722STony Prisk bool "Use UART0 on VIA/Wondermedia SoCs" 1358b61a2722STony Prisk depends on ARCH_VT8500 1359b61a2722STony Prisk help 1360b61a2722STony Prisk This option selects UART0 on VIA/Wondermedia System-on-a-chip 1361b61a2722STony Prisk devices, including VT8500, WM8505, WM8650 and WM8850. 1362b61a2722STony Prisk 13631dc93416SArnd Bergmann config DEBUG_ZYNQ_UART0 13641dc93416SArnd Bergmann bool "Kernel low-level debugging on Xilinx Zynq using UART0" 13651dc93416SArnd Bergmann depends on ARCH_ZYNQ 13661dc93416SArnd Bergmann help 13671dc93416SArnd Bergmann Say Y here if you want the debug print routines to direct 13681dc93416SArnd Bergmann their output to UART0 on the Zynq platform. 13691dc93416SArnd Bergmann 13701dc93416SArnd Bergmann config DEBUG_ZYNQ_UART1 13711dc93416SArnd Bergmann bool "Kernel low-level debugging on Xilinx Zynq using UART1" 13721dc93416SArnd Bergmann depends on ARCH_ZYNQ 13731dc93416SArnd Bergmann help 13741dc93416SArnd Bergmann Say Y here if you want the debug print routines to direct 13751dc93416SArnd Bergmann their output to UART1 on the Zynq platform. 13761dc93416SArnd Bergmann 13771dc93416SArnd Bergmann If you have a ZC702 board and want early boot messages to 13781dc93416SArnd Bergmann appear on the USB serial adaptor, select this option. 13791dc93416SArnd Bergmann 1380e76f4750SRussell King config DEBUG_ICEDCC 1381e76f4750SRussell King bool "Kernel low-level debugging via EmbeddedICE DCC channel" 1382e76f4750SRussell King help 1383e76f4750SRussell King Say Y here if you want the debug print routines to direct 1384e76f4750SRussell King their output to the EmbeddedICE macrocell's DCC channel using 1385e76f4750SRussell King co-processor 14. This is known to work on the ARM9 style ICE 1386e76f4750SRussell King channel and on the XScale with the PEEDI. 1387e76f4750SRussell King 1388e76f4750SRussell King Note that the system will appear to hang during boot if there 1389e76f4750SRussell King is nothing connected to read from the DCC. 1390e76f4750SRussell King 1391b0df8986SRussell King config DEBUG_SEMIHOSTING 139262194bdaSStephen Boyd bool "Kernel low-level debug output via semihosting I/O" 1393b0df8986SRussell King help 1394b0df8986SRussell King Semihosting enables code running on an ARM target to use 1395b0df8986SRussell King the I/O facilities on a host debugger/emulator through a 139662194bdaSStephen Boyd simple SVC call. The host debugger or emulator must have 1397b0df8986SRussell King semihosting enabled for the special svc call to be trapped 1398b0df8986SRussell King otherwise the kernel will crash. 1399b0df8986SRussell King 1400b0df8986SRussell King This is known to work with OpenOCD, as well as 1401b0df8986SRussell King ARM's Fast Models, or any other controlling environment 1402b0df8986SRussell King that implements semihosting. 1403b0df8986SRussell King 1404b0df8986SRussell King For more details about semihosting, please see 1405b0df8986SRussell King chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. 1406b0df8986SRussell King 1407f8f1279cSRussell King config DEBUG_LL_UART_8250 1408f8f1279cSRussell King bool "Kernel low-level debugging via 8250 UART" 1409f8f1279cSRussell King help 1410f8f1279cSRussell King Say Y here if you wish the debug print routes to direct 1411f8f1279cSRussell King their output to an 8250 UART. You can use this option 1412f8f1279cSRussell King to provide the parameters for the 8250 UART rather than 1413f8f1279cSRussell King selecting one of the platform specific options above if 1414f8f1279cSRussell King you know the parameters for the port. 1415f8f1279cSRussell King 1416f8f1279cSRussell King This option is preferred over the platform specific 1417f8f1279cSRussell King options; the platform specific options are deprecated 1418f8f1279cSRussell King and will be soon removed. 1419f8f1279cSRussell King 1420f8f1279cSRussell King config DEBUG_LL_UART_PL01X 1421f8f1279cSRussell King bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" 1422f8f1279cSRussell King help 1423f8f1279cSRussell King Say Y here if you wish the debug print routes to direct 1424f8f1279cSRussell King their output to a PL01x Primecell UART. You can use 1425f8f1279cSRussell King this option to provide the parameters for the UART 1426f8f1279cSRussell King rather than selecting one of the platform specific 1427f8f1279cSRussell King options above if you know the parameters for the port. 1428f8f1279cSRussell King 1429f8f1279cSRussell King This option is preferred over the platform specific 1430f8f1279cSRussell King options; the platform specific options are deprecated 1431f8f1279cSRussell King and will be soon removed. 1432f8f1279cSRussell King 14331da177e4SLinus Torvaldsendchoice 14341da177e4SLinus Torvalds 14358b2f2d03SAlexandre Belloniconfig DEBUG_AT91_UART 14368b2f2d03SAlexandre Belloni bool 14378b2f2d03SAlexandre Belloni depends on ARCH_AT91 14388b2f2d03SAlexandre Belloni 1439a2e40710SArnd Bergmannconfig DEBUG_EXYNOS_UART 1440a2e40710SArnd Bergmann bool 1441a2e40710SArnd Bergmann 1442daf67dfcSHeiko Stuebnerconfig DEBUG_S3C2410_UART 1443daf67dfcSHeiko Stuebner bool 14441899de28SHeiko Stuebner select DEBUG_S3C24XX_UART 14451899de28SHeiko Stuebner 14461899de28SHeiko Stuebnerconfig DEBUG_S3C24XX_UART 14471899de28SHeiko Stuebner bool 1448daf67dfcSHeiko Stuebner 1449bb08dea1SArnd Bergmannconfig DEBUG_S3C64XX_UART 1450bb08dea1SArnd Bergmann bool 1451bb08dea1SArnd Bergmann 14527bab7d9eSTomasz Figaconfig DEBUG_S5PV210_UART 14537bab7d9eSTomasz Figa bool 14547bab7d9eSTomasz Figa 1455b3a77512SArnd Bergmannconfig DEBUG_S3C_UART 1456b3a77512SArnd Bergmann depends on DEBUG_S3C2410_UART || DEBUG_S3C24XX_UART || \ 1457b3a77512SArnd Bergmann DEBUG_S3C64XX_UART || DEBUG_S5PV210_UART || \ 1458b3a77512SArnd Bergmann DEBUG_EXYNOS_UART 1459b3a77512SArnd Bergmann int 1460b3a77512SArnd Bergmann default "0" if DEBUG_S3C_UART0 1461b3a77512SArnd Bergmann default "1" if DEBUG_S3C_UART1 1462b3a77512SArnd Bergmann default "2" if DEBUG_S3C_UART2 1463b3a77512SArnd Bergmann default "3" if DEBUG_S3C_UART3 1464b3a77512SArnd Bergmann 1465cce278d2SRussell Kingconfig DEBUG_OMAP2PLUS_UART 1466cce278d2SRussell King bool 1467cce278d2SRussell King depends on ARCH_OMAP2PLUS 1468cce278d2SRussell King 1469f8c95fe6SShawn Guoconfig DEBUG_IMX_UART_PORT 14707c41ea57SUwe Kleine-König int "i.MX Debug UART Port Selection" 14717c41ea57SUwe Kleine-König depends on DEBUG_IMX1_UART || \ 1472f8c95fe6SShawn Guo DEBUG_IMX25_UART || \ 1473b0100bceSLukas Bulwahn DEBUG_IMX27_UART || \ 1474f8c95fe6SShawn Guo DEBUG_IMX31_UART || \ 1475f8c95fe6SShawn Guo DEBUG_IMX35_UART || \ 1476ad364a70SGreg Ungerer DEBUG_IMX50_UART || \ 1477f8c95fe6SShawn Guo DEBUG_IMX51_UART || \ 14780c52db7eSPaul Bolle DEBUG_IMX53_UART || \ 147934e8a16bSShawn Guo DEBUG_IMX6Q_UART || \ 148074368e81SShawn Guo DEBUG_IMX6SL_UART || \ 148152d7aec2SAnson Huang DEBUG_IMX6SX_UART || \ 148220c305f6SAnson Huang DEBUG_IMX6UL_UART || \ 148352d7aec2SAnson Huang DEBUG_IMX7D_UART 148449c9e60eSShawn Guo default 1 148549c9e60eSShawn Guo help 148649c9e60eSShawn Guo Choose UART port on which kernel low-level debug messages 148749c9e60eSShawn Guo should be output. 148849c9e60eSShawn Guo 1489cfdb7d56SStefan Agnerconfig DEBUG_VF_UART_PORT 1490cfdb7d56SStefan Agner int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART 1491cfdb7d56SStefan Agner default 1 1492cfdb7d56SStefan Agner range 0 3 1493cfdb7d56SStefan Agner depends on SOC_VF610 1494cfdb7d56SStefan Agner help 1495cfdb7d56SStefan Agner Choose UART port on which kernel low-level debug messages 1496cfdb7d56SStefan Agner should be output. 1497cfdb7d56SStefan Agner 1498cce278d2SRussell Kingconfig DEBUG_TEGRA_UART 1499cce278d2SRussell King bool 1500cce278d2SRussell King depends on ARCH_TEGRA 1501808b7e07STony Lindgren 1502d88bb418SGerald Baezaconfig DEBUG_STM32_UART 1503d88bb418SGerald Baeza bool 1504d88bb418SGerald Baeza depends on ARCH_STM32 1505d88bb418SGerald Baeza 15064df24fefSLinus Walleijconfig DEBUG_UART_FLOW_CONTROL 15074df24fefSLinus Walleij bool "Enable flow control (CTS) for the debug UART" 15084df24fefSLinus Walleij depends on DEBUG_LL 15093e3f354bSArnd Bergmann default y if DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC 15104df24fefSLinus Walleij help 15114df24fefSLinus Walleij Some UART ports are connected to terminals that will use modem 15124df24fefSLinus Walleij control signals to indicate whether they are ready to receive text. 15134df24fefSLinus Walleij In practice this means that the terminal is asserting the special 15144df24fefSLinus Walleij control signal CTS (Clear To Send). If your debug UART supports 15154df24fefSLinus Walleij this and your debug terminal will require it, enable this option. 15164df24fefSLinus Walleij 151791a9fec0SRob Herringconfig DEBUG_LL_INCLUDE 151891a9fec0SRob Herring string 1519e6131fa3SDmitry Eremin-Solenikov default "debug/sa1100.S" if DEBUG_SA1100 15200c532546SMans Rullgard default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP 1521f8f1279cSRussell King default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 152242dfd1e1SNicolas Ferre default "debug/at91.S" if DEBUG_AT91_UART 1523d5bd4e8dSOleksij Rempel default "debug/asm9260.S" if DEBUG_ASM9260_UART 1524dd99eef5SAlexander Shiyan default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 15250045c0ddSArnd Bergmann default "debug/dc21285.S" if DEBUG_DC21285_PORT 1526d8a00916SCarlo Caione default "debug/meson.S" if DEBUG_MESON_UARTAO 1527f8f1279cSRussell King default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X 1528a2e40710SArnd Bergmann default "debug/exynos.S" if DEBUG_EXYNOS_UART 152991a9fec0SRob Herring default "debug/icedcc.S" if DEBUG_ICEDCC 15306dde5ac5SShawn Guo default "debug/imx.S" if DEBUG_IMX1_UART || \ 15316dde5ac5SShawn Guo DEBUG_IMX25_UART || \ 1532b0100bceSLukas Bulwahn DEBUG_IMX27_UART || \ 15334ad625d4SShawn Guo DEBUG_IMX31_UART || \ 15344ad625d4SShawn Guo DEBUG_IMX35_UART || \ 1535ad364a70SGreg Ungerer DEBUG_IMX50_UART || \ 15366dde5ac5SShawn Guo DEBUG_IMX51_UART || \ 15377356420cSFabio Estevam DEBUG_IMX53_UART || \ 153834e8a16bSShawn Guo DEBUG_IMX6Q_UART || \ 153974368e81SShawn Guo DEBUG_IMX6SL_UART || \ 154052d7aec2SAnson Huang DEBUG_IMX6SX_UART || \ 154120c305f6SAnson Huang DEBUG_IMX6UL_UART || \ 154252d7aec2SAnson Huang DEBUG_IMX7D_UART 1543c0c89fafSStephen Boyd default "debug/msm.S" if DEBUG_QCOM_UARTDM 1544808b7e07STony Lindgren default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART 15457a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 1546e9670ccbSGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2 1547e9670ccbSGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4 15487a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 15497a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 15507a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 15512f095c26SBiju Das default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 15527a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 15538e5f2d65SFabrizio Castro default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 155496866b1aSLad Prabhakar default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2 15557a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 15567a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 15577a2071c5SGeert Uytterhoeven default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 1558bb08dea1SArnd Bergmann default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART || DEBUG_S3C64XX_UART 15597bab7d9eSTomasz Figa default "debug/s5pv210.S" if DEBUG_S5PV210_UART 15609ca4efecSAlain VOLMAT default "debug/sti.S" if DEBUG_STIH41X_ASC2 15619ca4efecSAlain VOLMAT default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1 15626e959ad8SAlain VOLMAT default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0 1563d88bb418SGerald Baeza default "debug/stm32.S" if DEBUG_STM32_UART 1564150a8dcfSLinus Torvalds default "debug/tegra.S" if DEBUG_TEGRA_UART 1565150a8dcfSLinus Torvalds default "debug/ux500.S" if DEBUG_UX500_UART 15664e218b99SRussell King default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT 1567c7c3eac6SShawn Guo default "debug/vf.S" if DEBUG_VF_UART 1568b61a2722STony Prisk default "debug/vt8500.S" if DEBUG_VT8500_UART0 1569385f02b1SJosh Cartwright default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 15706c548099SArnd Bergmann default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART 1571e23814daSBaruch Siach default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 1572d0cf9d8aSFlorian Fainelli default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART 157391a9fec0SRob Herring default "mach/debug-macro.S" 157491a9fec0SRob Herring 1575f8f1279cSRussell King# Compatibility options for PL01x 15765c972af4SRussell Kingconfig DEBUG_UART_PL01X 1577a61cbf51SDaniel Thompson bool 15785c972af4SRussell King 1579f8f1279cSRussell King# Compatibility options for 8250 15807610b607SRussell Kingconfig DEBUG_UART_8250 1581b91a69d1SArnd Bergmann def_bool ARCH_IXP4XX || ARCH_RPC 15824a003647SRussell King 1583c3faa9b7SRussell Kingconfig DEBUG_UART_PHYS 1584c3faa9b7SRussell King hex "Physical base address of debug UART" 1585c3faa9b7SRussell King default 0x01c28000 if DEBUG_SUNXI_UART0 1586c3faa9b7SRussell King default 0x01c28400 if DEBUG_SUNXI_UART1 158797bd1a48SRussell King default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 158897bd1a48SRussell King default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 1589c4718543SChen-Yu Tsai default 0x01f02800 if DEBUG_SUNXI_R_UART 1590f2acf003SRussell King default 0x02530c00 if DEBUG_KEYSTONE_UART0 1591f2acf003SRussell King default 0x02531000 if DEBUG_KEYSTONE_UART1 1592c3faa9b7SRussell King default 0x03010fe0 if ARCH_RPC 1593d4da889aSChen-Yu Tsai default 0x07000000 if DEBUG_SUN9I_UART0 15946e959ad8SAlain VOLMAT default 0x09530000 if DEBUG_STIH418_SBC_ASC0 1595b125170aSKrzysztof Hałasa default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ 15965c972af4SRussell King DEBUG_VEXPRESS_UART0_CA9 15975c972af4SRussell King default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT 1598c3faa9b7SRussell King default 0x10124000 if DEBUG_RK3X_UART0 1599c3faa9b7SRussell King default 0x10126000 if DEBUG_RK3X_UART1 16004db22c10SArnd Bergmann default 0x101f1000 if DEBUG_VERSATILE 16015c972af4SRussell King default 0x101fb000 if DEBUG_NOMADIK_UART 1602a3b882f9SAndy Yan default 0x10210000 if DEBUG_RV1108_UART2 1603a3b882f9SAndy Yan default 0x10220000 if DEBUG_RV1108_UART1 1604a3b882f9SAndy Yan default 0x10230000 if DEBUG_RV1108_UART0 160565ec48c0SJoe.C default 0x11002000 if DEBUG_MT8127_UART0 1606d6682085SMatthias Brugger default 0x11006000 if DEBUG_MT6589_UART0 160765ec48c0SJoe.C default 0x11009000 if DEBUG_MT8135_UART3 16084db22c10SArnd Bergmann default 0x16000000 if DEBUG_INTEGRATOR 1609c5fdb668SKefeng Wang default 0x1600d000 if DEBUG_SD5203_UART 161006580275SHauke Mehrtens default 0x18000300 if DEBUG_BCM_5301X 1611fa1e581dSFlorian Fainelli default 0x18000400 if DEBUG_BCM_HR2 1612295898baSClément Peron default 0x18023000 if DEBUG_BCM_IPROC_UART3 16135c972af4SRussell King default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 1614624b9d83SRomain Perier default 0x1f221000 if DEBUG_MSTARV7_PMUART 161527dafaa8SWang Long default 0x20001000 if DEBUG_HIP01_UART 1616c3faa9b7SRussell King default 0x20060000 if DEBUG_RK29_UART0 1617c3faa9b7SRussell King default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1618c3faa9b7SRussell King default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 16195c972af4SRussell King default 0x20201000 if DEBUG_BCM2835 1620753d1243SChristian Daudt default 0x3e000000 if DEBUG_BCM_KONA_UART 1621f3f49e42SClément Peron default 0x3f201000 if DEBUG_BCM2836 162262c1594dSErwan Le Ray default 0x40010000 if STM32MP1_DEBUG_UART 162333cab895SErwan Le Ray default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \ 162433cab895SErwan Le Ray STM32H7_DEBUG_UART 162563e07c0fSSzemző András default 0x40028000 if DEBUG_AT91_SAMV7_USART1 16260aed6a37SJoachim Eastwood default 0x40081000 if DEBUG_LPC18XX_UART0 162759bd4c38SArnd Bergmann default 0x40090000 if DEBUG_LPC32XX 1628c3faa9b7SRussell King default 0x40100000 if DEBUG_PXA_UART1 1629d7175a3bSArnd Bergmann default 0x42000000 if DEBUG_GEMINI 163051ef7003STony Lindgren default 0x44e09000 if DEBUG_AM33XXUART1 16312d1f7d2eSTony Lindgren default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 16322d1f7d2eSTony Lindgren default 0x48022000 if DEBUG_TI81XXUART2 16332d1f7d2eSTony Lindgren default 0x48024000 if DEBUG_TI81XXUART3 1634d2b310b0STony Lindgren default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1635d2b310b0STony Lindgren DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1636d2b310b0STony Lindgren default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1637d2b310b0STony Lindgren DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1638fc23beb8STony Lindgren default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 1639fc23beb8STony Lindgren default 0x49020000 if DEBUG_OMAP3UART3 1640fc23beb8STony Lindgren default 0x49042000 if DEBUG_OMAP3UART4 16411899de28SHeiko Stuebner default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 16421899de28SHeiko Stuebner DEBUG_S3C2410_UART0) 16431899de28SHeiko Stuebner default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 16441899de28SHeiko Stuebner DEBUG_S3C2410_UART1) 16451899de28SHeiko Stuebner default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 16461899de28SHeiko Stuebner DEBUG_S3C2410_UART2) 16470045c0ddSArnd Bergmann default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 1648bb08dea1SArnd Bergmann default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 1649bb08dea1SArnd Bergmann default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1650bb08dea1SArnd Bergmann default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1651bb08dea1SArnd Bergmann default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 1652d5bd4e8dSOleksij Rempel default 0x80010000 if DEBUG_ASM9260_UART 16535c972af4SRussell King default 0x80070000 if DEBUG_IMX23_UART 16545c972af4SRussell King default 0x80074000 if DEBUG_IMX28_UART 1655f06455faSArnd Bergmann default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX 16565c972af4SRussell King default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 16575c972af4SRussell King default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX 1658c3faa9b7SRussell King default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1659c3faa9b7SRussell King default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1660375d84cfSArnd Bergmann default 0xd0000000 if DEBUG_SPEAR3XX 1661d91125ddSMaxime Ripard default 0xd0012000 if DEBUG_MVEBU_UART0 1662d8a00916SCarlo Caione default 0xc81004c0 if DEBUG_MESON_UARTAO 1663c3faa9b7SRussell King default 0xd4017000 if DEBUG_MMP_UART2 1664c3faa9b7SRussell King default 0xd4018000 if DEBUG_MMP_UART3 1665375d84cfSArnd Bergmann default 0xe0000000 if DEBUG_SPEAR13XX 16666041558eSKavyasree Kotagiri default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM 1667577cb67aSEugen Hristev default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1668c9a1df48SHaojian Zhuang default 0xe4007000 if DEBUG_HIP04_UART 16697a2071c5SGeert Uytterhoeven default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 16707a2071c5SGeert Uytterhoeven default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 167196866b1aSLad Prabhakar default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2 16727a2071c5SGeert Uytterhoeven default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 16737a2071c5SGeert Uytterhoeven default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 16747a2071c5SGeert Uytterhoeven default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 16752f095c26SBiju Das default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 16768e5f2d65SFabrizio Castro default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 1677e9670ccbSGeert Uytterhoeven default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2 1678e9670ccbSGeert Uytterhoeven default 0xe8009000 if DEBUG_R7S9210_SCIF4 1679876e645fSArnd Bergmann default 0xf0000000 if DEBUG_DIGICOLOR_UA0 1680d91125ddSMaxime Ripard default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE 1681bd920490SMaxime Ripard default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE 1682caad0b41SSebastian Hesselbarth default 0xf7fc9000 if DEBUG_BERLIN_UART 16838b2f2d03SAlexandre Belloni default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 168412aae309SHaifeng Yan default 0xf8b00000 if DEBUG_HIX5HD2_UART 16857098cff2SIvan T. Ivanov default 0xf991e000 if DEBUG_QCOM_UARTDM 16868b2f2d03SAlexandre Belloni default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 16878d258bebSHaojian Zhuang default 0xfcb00000 if DEBUG_HI3620_UART 16883c215e64STsahee Zidenberg default 0xfd883000 if DEBUG_ALPINE_UART0 16899ca4efecSAlain VOLMAT default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1 16909ca4efecSAlain VOLMAT default 0xfed32000 if DEBUG_STIH41X_ASC2 1691efd02ee9SHeiko Stuebner default 0xff690000 if DEBUG_RK32_UART2 1692de73c162SDinh Nguyen default 0xffc02000 if DEBUG_SOCFPGA_UART0 1693f6628486SClément Péron default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1694f6628486SClément Péron default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 16957a2071c5SGeert Uytterhoeven default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 16967a2071c5SGeert Uytterhoeven default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 16975c972af4SRussell King default 0xfff36000 if DEBUG_HIGHBANK_UART 16980d7bb85eSArnd Bergmann default 0xfffb0000 if DEBUG_OMAP1UART1 16990d7bb85eSArnd Bergmann default 0xfffb0800 if DEBUG_OMAP1UART2 17000d7bb85eSArnd Bergmann default 0xfffb9800 if DEBUG_OMAP1UART3 17016c548099SArnd Bergmann default 0xfffe8600 if DEBUG_BCM63XX_UART 17028b2f2d03SAlexandre Belloni default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU 17038b2f2d03SAlexandre Belloni default 0xfffff200 if DEBUG_AT91_RM9200_DBGU 1704d02fde7fSDaniel Thompson depends on ARCH_EP93XX || \ 1705d02fde7fSDaniel Thompson DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1706d8a00916SCarlo Caione DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 17074d31e664SDaniel Thompson DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ 1708e9670ccbSGeert Uytterhoeven DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ 17097a2071c5SGeert Uytterhoeven DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ 17102f095c26SBiju Das DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ 17112f095c26SBiju Das DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ 171296866b1aSLad Prabhakar DEBUG_RCAR_GEN2_SCIFA2 || \ 17137a2071c5SGeert Uytterhoeven DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ 17147a2071c5SGeert Uytterhoeven DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \ 1715bb08dea1SArnd Bergmann DEBUG_S3C64XX_UART || \ 17166c548099SArnd Bergmann DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1717f3a73284SArnd Bergmann DEBUG_DIGICOLOR_UA0 || \ 17189ca4efecSAlain VOLMAT DEBUG_AT91_UART || DEBUG_STM32_UART || \ 17196e959ad8SAlain VOLMAT DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 17206e959ad8SAlain VOLMAT DEBUG_STIH418_SBC_ASC0 1721c3faa9b7SRussell King 1722c3faa9b7SRussell Kingconfig DEBUG_UART_VIRT 1723c3faa9b7SRussell King hex "Virtual base address of debug UART" 1724a3b882f9SAndy Yan default 0xc881f000 if DEBUG_RV1108_UART2 1725a3b882f9SAndy Yan default 0xc8821000 if DEBUG_RV1108_UART1 1726a3b882f9SAndy Yan default 0xc8912000 if DEBUG_RV1108_UART0 1727c3faa9b7SRussell King default 0xe0010fe0 if ARCH_RPC 1728577cb67aSEugen Hristev default 0xe0824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 1729d5bd4e8dSOleksij Rempel default 0xf0010000 if DEBUG_ASM9260_UART 1730876e645fSArnd Bergmann default 0xf0100000 if DEBUG_DIGICOLOR_UA0 17315c972af4SRussell King default 0xf01fb000 if DEBUG_NOMADIK_UART 17325234c34eSEric Anholt default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 1733624b9d83SRomain Perier default 0xf0221000 if DEBUG_MSTARV7_PMUART 173406580275SHauke Mehrtens default 0xf1000300 if DEBUG_BCM_5301X 1735fa1e581dSFlorian Fainelli default 0xf1000400 if DEBUG_BCM_HR2 173665ec48c0SJoe.C default 0xf1002000 if DEBUG_MT8127_UART0 1737d6682085SMatthias Brugger default 0xf1006000 if DEBUG_MT6589_UART0 173865ec48c0SJoe.C default 0xf1009000 if DEBUG_MT8135_UART3 1739295898baSClément Peron default 0xf1023000 if DEBUG_BCM_IPROC_UART3 17404db22c10SArnd Bergmann default 0xf11f1000 if DEBUG_VERSATILE 17414db22c10SArnd Bergmann default 0xf1600000 if DEBUG_INTEGRATOR 1742c3faa9b7SRussell King default 0xf1c28000 if DEBUG_SUNXI_UART0 1743c3faa9b7SRussell King default 0xf1c28400 if DEBUG_SUNXI_UART1 1744c4718543SChen-Yu Tsai default 0xf1f02800 if DEBUG_SUNXI_R_UART 17451dc93416SArnd Bergmann default 0xf31004c0 if DEBUG_MESON_UARTAO 174659bd4c38SArnd Bergmann default 0xf4090000 if DEBUG_LPC32XX 1747d7175a3bSArnd Bergmann default 0xf4200000 if DEBUG_GEMINI 1748cde7fc87SRobert Jarzmik default 0xf6200000 if DEBUG_PXA_UART1 1749d4da889aSChen-Yu Tsai default 0xf7000000 if DEBUG_SUN9I_UART0 1750bb08dea1SArnd Bergmann default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 17511899de28SHeiko Stuebner default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ 17521899de28SHeiko Stuebner DEBUG_S3C2410_UART0) 1753bb08dea1SArnd Bergmann default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 1754bb08dea1SArnd Bergmann default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 1755bb08dea1SArnd Bergmann default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 17561899de28SHeiko Stuebner default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ 17571899de28SHeiko Stuebner DEBUG_S3C2410_UART1) 17581899de28SHeiko Stuebner default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ 17591899de28SHeiko Stuebner DEBUG_S3C2410_UART2) 17608b2f2d03SAlexandre Belloni default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 1761caad0b41SSebastian Hesselbarth default 0xf7fc9000 if DEBUG_BERLIN_UART 1762c9a1df48SHaojian Zhuang default 0xf8007000 if DEBUG_HIP04_UART 17635c972af4SRussell King default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 17645c972af4SRussell King default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 17658b2f2d03SAlexandre Belloni default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU 17668b2f2d03SAlexandre Belloni default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU 17676e959ad8SAlain VOLMAT default 0xf9530000 if DEBUG_STIH418_SBC_ASC0 176851ef7003STony Lindgren default 0xf9e09000 if DEBUG_AM33XXUART1 17692d1f7d2eSTony Lindgren default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 17702d1f7d2eSTony Lindgren default 0xfa022000 if DEBUG_TI81XXUART2 17712d1f7d2eSTony Lindgren default 0xfa024000 if DEBUG_TI81XXUART3 1772d2b310b0STony Lindgren default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ 1773d2b310b0STony Lindgren DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 1774d2b310b0STony Lindgren default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ 1775d2b310b0STony Lindgren DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 1776fc23beb8STony Lindgren default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 17777098cff2SIvan T. Ivanov default 0xfa71e000 if DEBUG_QCOM_UARTDM 17785c972af4SRussell King default 0xfb009000 if DEBUG_REALVIEW_STD_PORT 17798b2f2d03SAlexandre Belloni default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 1780fc23beb8STony Lindgren default 0xfb020000 if DEBUG_OMAP3UART3 1781fc23beb8STony Lindgren default 0xfb042000 if DEBUG_OMAP3UART4 17825c972af4SRussell King default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT 17836c548099SArnd Bergmann default 0xfcfe8600 if DEBUG_BCM63XX_UART 1784375d84cfSArnd Bergmann default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX 17856041558eSKavyasree Kotagiri default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM 17869ca4efecSAlain VOLMAT default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1 17873c215e64STsahee Zidenberg default 0xfd883000 if DEBUG_ALPINE_UART0 17889ca4efecSAlain VOLMAT default 0xfdd32000 if DEBUG_STIH41X_ASC2 178962c1594dSErwan Le Ray default 0xfe010000 if STM32MP1_DEBUG_UART 1790c3faa9b7SRussell King default 0xfe017000 if DEBUG_MMP_UART2 1791c3faa9b7SRussell King default 0xfe018000 if DEBUG_MMP_UART3 17925c972af4SRussell King default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART 1793753d1243SChristian Daudt default 0xfe300000 if DEBUG_BCM_KONA_UART 179412aae309SHaifeng Yan default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART 1795c3faa9b7SRussell King default 0xfeb24000 if DEBUG_RK3X_UART0 1796c3faa9b7SRussell King default 0xfeb26000 if DEBUG_RK3X_UART1 1797f2acf003SRussell King default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 1798f2acf003SRussell King default 0xfeb31000 if DEBUG_KEYSTONE_UART1 1799de73c162SDinh Nguyen default 0xfec02000 if DEBUG_SOCFPGA_UART0 1800f6628486SClément Péron default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 1801f6628486SClément Péron default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 18023584be9eSArnd Bergmann default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE 1803bd920490SMaxime Ripard default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE 1804efd02ee9SHeiko Stuebner default 0xfec90000 if DEBUG_RK32_UART2 180597bd1a48SRussell King default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 1806c5fdb668SKefeng Wang default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_SD5203_UART 1807c39e1ef7SAlexander Shiyan default 0xfed60000 if DEBUG_RK29_UART0 1808c39e1ef7SAlexander Shiyan default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 1809c39e1ef7SAlexander Shiyan default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 1810f06455faSArnd Bergmann default 0xfedc0000 if DEBUG_EP93XX 18110045c0ddSArnd Bergmann default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 18125c972af4SRussell King default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART 1813713ce38dSLinus Walleij default 0xfec00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN 1814713ce38dSLinus Walleij default 0xfec00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN 1815c39e1ef7SAlexander Shiyan default 0xfef36000 if DEBUG_HIGHBANK_UART 18160d7bb85eSArnd Bergmann default 0xff0b0000 if DEBUG_OMAP1UART1 18170d7bb85eSArnd Bergmann default 0xff0b0800 if DEBUG_OMAP1UART2 18180d7bb85eSArnd Bergmann default 0xff0b9800 if DEBUG_OMAP1UART3 181927dafaa8SWang Long default 0xffd01000 if DEBUG_HIP01_UART 18205c972af4SRussell King default DEBUG_UART_PHYS if !MMU 1821f8f1279cSRussell King depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ 1822d8a00916SCarlo Caione DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ 18234d31e664SDaniel Thompson DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \ 1824bb08dea1SArnd Bergmann DEBUG_S3C64XX_UART || \ 18256c548099SArnd Bergmann DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ 1826f3a73284SArnd Bergmann DEBUG_DIGICOLOR_UA0 || \ 18279ca4efecSAlain VOLMAT DEBUG_AT91_UART || DEBUG_STM32_UART || \ 18286e959ad8SAlain VOLMAT DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ 18296e959ad8SAlain VOLMAT DEBUG_STIH418_SBC_ASC0 1830c3faa9b7SRussell King 18314a003647SRussell Kingconfig DEBUG_UART_8250_SHIFT 18324a003647SRussell King int "Register offset shift for the 8250 debug UART" 1833f8f1279cSRussell King depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 1834b91a69d1SArnd Bergmann default 0 if DEBUG_FOOTBRIDGE_COM1 || DEBUG_BCM_5301X || \ 1835fa1e581dSFlorian Fainelli DEBUG_BCM_HR2 || DEBUG_OMAP7XXUART1 || DEBUG_OMAP7XXUART2 || \ 1836fa1e581dSFlorian Fainelli DEBUG_OMAP7XXUART3 1837624b9d83SRomain Perier default 3 if DEBUG_MSTARV7_PMUART 18384a003647SRussell King default 2 18397610b607SRussell King 18400b4cccbeSRussell Kingconfig DEBUG_UART_8250_WORD 18410b4cccbeSRussell King bool "Use 32-bit accesses for 8250 UART" 1842f8f1279cSRussell King depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 18430b4cccbeSRussell King depends on DEBUG_UART_8250_SHIFT >= 2 1844665a8799SRob Herring default y if DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ 1845f6628486SClément Péron DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ 1846f6628486SClément Péron DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ 1847*2af4fcc0SArnd Bergmann DEBUG_DAVINCI_DA8XX_UART1 || DEBUG_DAVINCI_DA8XX_UART2 || \ 1848*2af4fcc0SArnd Bergmann DEBUG_BCM_IPROC_UART3 || DEBUG_BCM_KONA_UART || \ 1849*2af4fcc0SArnd Bergmann DEBUG_RK32_UART2 18500b4cccbeSRussell King 18510c532546SMans Rullgardconfig DEBUG_UART_8250_PALMCHIP 18520c532546SMans Rullgard bool "8250 UART is Palmchip BK-310x" 18530c532546SMans Rullgard depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 18540c532546SMans Rullgard help 18550c532546SMans Rullgard Palmchip provides a UART implementation compatible with 16550 18560c532546SMans Rullgard except for having a different register layout. Say Y here if 18570c532546SMans Rullgard the debug UART is of this type. 18580c532546SMans Rullgard 18593b4af9bcSShawn Guoconfig DEBUG_UNCOMPRESS 186029337b60SRussell King bool "Enable decompressor debugging via DEBUG_LL output" 186184fc8636SArnd Bergmann depends on !ARCH_MULTIPLATFORM 18626fd09c9aSArnd Bergmann depends on !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) 186329337b60SRussell King depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ 1864d0cf9d8aSFlorian Fainelli (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ 18655ed801d0SLinus Walleij !DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING 1866b6992fa9SRussell King help 1867b6992fa9SRussell King This option influences the normal decompressor output for 1868b6992fa9SRussell King multiplatform kernels. Normally, multiplatform kernels disable 1869b6992fa9SRussell King decompressor output because it is not possible to know where to 1870b6992fa9SRussell King send the decompressor output. 1871b6992fa9SRussell King 1872b6992fa9SRussell King When this option is set, the selected DEBUG_LL output method 1873b6992fa9SRussell King will be re-used for normal decompressor output on multiplatform 1874b6992fa9SRussell King kernels. 1875b6992fa9SRussell King 18763b4af9bcSShawn Guo 1877615967b0SShawn Guoconfig UNCOMPRESS_INCLUDE 1878615967b0SShawn Guo string 18796fd09c9aSArnd Bergmann default "mach/uncompress.h" if ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100 18806fd09c9aSArnd Bergmann default "debug/uncompress.h" 1881615967b0SShawn Guo 18821da177e4SLinus Torvaldsconfig EARLY_PRINTK 18831da177e4SLinus Torvalds bool "Early printk" 18841da177e4SLinus Torvalds depends on DEBUG_LL 18851da177e4SLinus Torvalds help 18861da177e4SLinus Torvalds Say Y here if you want to have an early console using the 18871da177e4SLinus Torvalds kernel low-level debugging functions. Add earlyprintk to your 18881da177e4SLinus Torvalds kernel parameters to enable this console. 18891da177e4SLinus Torvalds 18901da177e4SLinus Torvaldsconfig ARM_KPROBES_TEST 18911da177e4SLinus Torvalds tristate "Kprobes test module" 18921da177e4SLinus Torvalds depends on KPROBES && MODULES 18931da177e4SLinus Torvalds help 18941da177e4SLinus Torvalds Perform tests of kprobes API and instruction set simulation. 18951da177e4SLinus Torvalds 1896575320d6SWill Deaconconfig PID_IN_CONTEXTIDR 1897575320d6SWill Deacon bool "Write the current PID to the CONTEXTIDR register" 1898575320d6SWill Deacon depends on CPU_COPY_V6 1899575320d6SWill Deacon help 1900575320d6SWill Deacon Enabling this option causes the kernel to write the current PID to 1901575320d6SWill Deacon the PROCID field of the CONTEXTIDR register, at the expense of some 1902575320d6SWill Deacon additional instructions during context switch. Say Y here only if you 1903575320d6SWill Deacon are planning to use hardware trace tools with this kernel. 1904575320d6SWill Deacon 190501081f5aSMathieu Poiriersource "drivers/hwtracing/coresight/Kconfig" 1906