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Diffstat (limited to 'arch/arm/Kconfig.debug')
| -rw-r--r-- | arch/arm/Kconfig.debug | 1854 |
1 files changed, 1854 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug new file mode 100644 index 0000000000..b407b7b9b7 --- /dev/null +++ b/arch/arm/Kconfig.debug @@ -0,0 +1,1854 @@ +# SPDX-License-Identifier: GPL-2.0 + +config ARM_PTDUMP_CORE + def_bool n + +config ARM_PTDUMP_DEBUGFS + bool "Export kernel pagetable layout to userspace via debugfs" + depends on DEBUG_KERNEL + depends on MMU + select ARM_PTDUMP_CORE + select DEBUG_FS + help + Say Y here if you want to show the kernel pagetable layout in a + debugfs file. This information is only useful for kernel developers + who are working in architecture specific areas of the kernel. + It is probably not a good idea to enable this feature in a production + kernel. + If in doubt, say "N" + +config DEBUG_WX + bool "Warn on W+X mappings at boot" + depends on MMU + select ARM_PTDUMP_CORE + help + Generate a warning if any W+X mappings are found at boot. + + This is useful for discovering cases where the kernel is leaving + W+X mappings after applying NX, as such mappings are a security risk. + + Look for a message in dmesg output like this: + + arm/mm: Checked W+X mappings: passed, no W+X pages found. + + or like this, if the check failed: + + arm/mm: Checked W+X mappings: FAILED, <N> W+X pages found. + + Note that even if the check fails, your kernel is possibly + still fine, as W+X mappings are not a security hole in + themselves, what they do is that they make the exploitation + of other unfixed kernel bugs easier. + + There is no runtime or memory usage effect of this option + once the kernel has booted up - it's a one time check. + + If in doubt, say "Y". + +choice + prompt "Choose kernel unwinder" + default UNWINDER_ARM if AEABI + default UNWINDER_FRAME_POINTER if !AEABI + help + This determines which method will be used for unwinding kernel stack + traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, + livepatch, lockdep, and more. + +config UNWINDER_FRAME_POINTER + bool "Frame pointer unwinder" + depends on !THUMB2_KERNEL + select ARCH_WANT_FRAME_POINTERS + select FRAME_POINTER + help + This option enables the frame pointer unwinder for unwinding + kernel stack traces. + +config UNWINDER_ARM + bool "ARM EABI stack unwinder" + depends on AEABI + select ARM_UNWIND + help + This option enables stack unwinding support in the kernel + using the information automatically generated by the + compiler. The resulting kernel image is slightly bigger but + the performance is not affected. Currently, this feature + only works with EABI compilers. + +endchoice + +config ARM_UNWIND + bool + +config BACKTRACE_VERBOSE + bool "Verbose backtrace" + depends on EXPERT + help + When the kernel produces a warning or oops, the kernel prints a + trace of the call chain. This option controls whether we include + the numeric addresses or only include the symbolic information. + + In most cases, say N here, unless you are intending to debug the + kernel and have access to the kernel binary image. + +config FRAME_POINTER + bool + +config DEBUG_USER + bool "Verbose user fault messages" + help + When a user program crashes due to an exception, the kernel can + print a brief message explaining what the problem was. This is + sometimes helpful for debugging but serves no purpose on a + production system. Most people should say N here. + + In addition, you need to pass user_debug=N on the kernel command + line to enable this feature. N consists of the sum of: + + 1 - undefined instruction events + 2 - system calls + 4 - invalid data aborts + 8 - SIGSEGV faults + 16 - SIGBUS faults + +# These options are only for real kernel hackers who want to get their hands dirty. +config DEBUG_LL + bool "Kernel low-level debugging functions (read help!)" + depends on DEBUG_KERNEL + help + Say Y here to include definitions of printascii, printch, printhex + in the kernel. This is helpful if you are debugging code that + executes before the console is initialized. + + Note that selecting this option will limit the kernel to a single + UART definition, as specified below. Attempting to boot the kernel + image on a different platform *will not work*, so this option should + not be enabled for kernels that are intended to be portable. + +choice + prompt "Kernel low-level debugging port" + depends on DEBUG_LL + + config DEBUG_ALPINE_UART0 + bool "Kernel low-level debugging messages via Alpine UART0" + depends on ARCH_ALPINE + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Alpine based platforms. + + config DEBUG_ASM9260_UART + bool "Kernel low-level debugging via asm9260 UART" + depends on MACH_ASM9260 + help + Say Y here if you want the debug print routines to direct + their output to an UART or USART port on asm9260 based + machines. + + DEBUG_UART_PHYS | DEBUG_UART_VIRT + + 0x80000000 | 0xf0000000 | UART0 + 0x80004000 | 0xf0004000 | UART1 + 0x80008000 | 0xf0008000 | UART2 + 0x8000c000 | 0xf000c000 | UART3 + 0x80010000 | 0xf0010000 | UART4 + 0x80014000 | 0xf0014000 | UART5 + 0x80018000 | 0xf0018000 | UART6 + 0x8001c000 | 0xf001c000 | UART7 + 0x80020000 | 0xf0020000 | UART8 + 0x80024000 | 0xf0024000 | UART9 + + config DEBUG_AT91_RM9200_DBGU + bool "Kernel low-level debugging on AT91RM9200, AT91SAM9, SAM9X60 DBGU" + select DEBUG_AT91_UART + depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAM9X60 + help + Say Y here if you want kernel low-level debugging support + on the DBGU port of: + at91rm9200, at91sam9260, at91sam9g20, at91sam9261, + at91sam9g10, at91sam9n12, at91sam9rl64, at91sam9x5, sam9x60 + + config DEBUG_AT91_SAM9263_DBGU + bool "Kernel low-level debugging on AT91SAM{9263,9G45,A5D3} DBGU" + select DEBUG_AT91_UART + depends on SOC_AT91SAM9 || SOC_SAMA5D3 + help + Say Y here if you want kernel low-level debugging support + on the DBGU port of: + at91sam9263, at91sam9g45, at91sam9m10, + sama5d3 + + config DEBUG_AT91_SAMA5D2_UART1 + bool "Kernel low-level debugging on SAMA5D2 UART1" + select DEBUG_AT91_UART + depends on SOC_SAMA5D2 + help + Say Y here if you want kernel low-level debugging support + on the UART1 port of sama5d2. + + config DEBUG_AT91_SAMA5D4_USART3 + bool "Kernel low-level debugging on SAMA5D4 USART3" + select DEBUG_AT91_UART + depends on SOC_SAMA5D4 + help + Say Y here if you want kernel low-level debugging support + on the USART3 port of sama5d4. + + config DEBUG_AT91_SAMV7_USART1 + bool "Kernel low-level debugging via SAMV7 USART1" + select DEBUG_AT91_UART + depends on SOC_SAMV7 + help + Say Y here if you want the debug print routines to direct + their output to the USART1 port on SAMV7 based + machines. + + config DEBUG_AT91_SAMA7G5_FLEXCOM3 + bool "Kernel low-level debugging on SAMA7G5 FLEXCOM3" + select DEBUG_AT91_UART + depends on SOC_SAMA7G5 + help + Say Y here if you want kernel low-level debugging support + on the FLEXCOM3 port of SAMA7G5. + + config DEBUG_AT91_LAN966_FLEXCOM + bool "Kernel low-level debugging on LAN966 FLEXCOM USART" + select DEBUG_AT91_UART + depends on SOC_LAN966 + help + Say Y here if you want kernel low-level debugging support + on the FLEXCOM port of LAN966. + + DEBUG_UART_PHYS | DEBUG_UART_VIRT + + 0xe0040200 | 0xfd040200 | FLEXCOM0 + 0xe0044200 | 0xfd044200 | FLEXCOM1 + 0xe0060200 | 0xfd060200 | FLEXCOM2 + 0xe0064200 | 0xfd064200 | FLEXCOM3 + 0xe0070200 | 0xfd070200 | FLEXCOM4 + + By default, enabling FLEXCOM3 port. Based on requirement, use + DEBUG_UART_PHYS and DEBUG_UART_VIRT configurations from above + table. + + config DEBUG_BCM2835 + bool "Kernel low-level debugging on BCM2835 PL011 UART" + depends on ARCH_BCM2835 && ARCH_MULTI_V6 + select DEBUG_UART_PL01X + + config DEBUG_BCM2836 + bool "Kernel low-level debugging on BCM2836 PL011 UART" + depends on ARCH_BCM2835 && ARCH_MULTI_V7 + select DEBUG_UART_PL01X + + config DEBUG_BCM_5301X + bool "Kernel low-level debugging on BCM5301X/NSP UART1" + depends on ARCH_BCM_5301X || ARCH_BCM_NSP + select DEBUG_UART_8250 + + config DEBUG_BCM_HR2 + bool "Kernel low-level debugging on Hurricane 2 UART2" + depends on ARCH_BCM_HR2 + select DEBUG_UART_8250 + + config DEBUG_BCM_IPROC_UART3 + bool "Kernel low-level debugging on BCM IPROC UART3" + depends on ARCH_BCM_CYGNUS + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to the third serial port on these devices. + + config DEBUG_BCM_KONA_UART + bool "Kernel low-level debugging messages via BCM KONA UART" + depends on ARCH_BCM_MOBILE + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Broadcom SoC platforms. + This low level debug works for Broadcom + mobile SoCs in the Kona family of chips (e.g. bcm28155, + bcm11351, etc...) + + config DEBUG_BCM63XX_UART + bool "Kernel low-level debugging on BCM63XX UART" + depends on ARCH_BCMBCA + + config DEBUG_BERLIN_UART + bool "Marvell Berlin SoC Debug UART" + depends on ARCH_BERLIN + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Marvell Berlin SoC based platforms. + + config DEBUG_BRCMSTB_UART + bool "Use BRCMSTB UART for low-level debug" + depends on ARCH_BRCMSTB + help + Say Y here if you want the debug print routines to direct + their output to the first serial port on these devices. The + UART physical and virtual address is automatically provided + based on the chip identification register value. + + If you have a Broadcom STB chip and would like early print + messages to appear over the UART, select this option. + + config DEBUG_CLPS711X_UART1 + bool "Kernel low-level debugging messages via UART1" + depends on ARCH_CLPS711X + help + Say Y here if you want the debug print routines to direct + their output to the first serial port on these devices. + + config DEBUG_CLPS711X_UART2 + bool "Kernel low-level debugging messages via UART2" + depends on ARCH_CLPS711X + help + Say Y here if you want the debug print routines to direct + their output to the second serial port on these devices. + + config DEBUG_DAVINCI_DA8XX_UART1 + bool "Kernel low-level debugging on DaVinci DA8XX using UART1" + depends on ARCH_DAVINCI_DA8XX + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to UART1 serial port on DaVinci DA8XX devices. + + config DEBUG_DAVINCI_DA8XX_UART2 + bool "Kernel low-level debugging on DaVinci DA8XX using UART2" + depends on ARCH_DAVINCI_DA8XX + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to UART2 serial port on DaVinci DA8XX devices. + + config DEBUG_DC21285_PORT + bool "Kernel low-level debugging messages via footbridge serial port" + depends on FOOTBRIDGE + help + Say Y here if you want the debug print routines to direct + their output to the serial port in the DC21285 (Footbridge). + + config DEBUG_DIGICOLOR_UA0 + bool "Kernel low-level debugging messages via Digicolor UA0" + depends on ARCH_DIGICOLOR + help + Say Y here if you want the debug print routines to direct + their output to the UA0 serial port in the CX92755. + + config DEBUG_EP93XX + bool "Kernel low-level debugging messages via ep93xx UART" + depends on ARCH_EP93XX + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on Cirrus Logic EP93xx based platforms. + + config DEBUG_FOOTBRIDGE_COM1 + bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" + depends on FOOTBRIDGE + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to the 8250 at PCI COM1. + + config DEBUG_GEMINI + bool "Kernel low-level debugging messages via Cortina Systems Gemini UART" + depends on ARCH_GEMINI + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Cortina Gemini based platforms. + + config DEBUG_HI3620_UART + bool "Hisilicon HI3620 Debug UART" + depends on ARCH_HI3xxx + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on HI3620 UART. + + config DEBUG_HIGHBANK_UART + bool "Kernel low-level debugging messages via Highbank UART" + depends on ARCH_HIGHBANK + select DEBUG_UART_PL01X + help + Say Y here if you want the debug print routines to direct + their output to the UART on Highbank based devices. + + config DEBUG_HIP01_UART + bool "Hisilicon Hip01 Debug UART" + depends on ARCH_HIP01 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on HIP01 UART. + + config DEBUG_HIP04_UART + bool "Hisilicon HiP04 Debug UART" + depends on ARCH_HIP04 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on HIP04 UART. + + config DEBUG_HIX5HD2_UART + bool "Hisilicon Hix5hd2 Debug UART" + depends on ARCH_HIX5HD2 + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on Hix5hd2 UART. + + config DEBUG_IMX1_UART + bool "i.MX1 Debug UART" + depends on SOC_IMX1 + help + Say Y here if you want kernel low-level debugging support + on i.MX1. + + config DEBUG_IMX23_UART + bool "i.MX23 Debug UART" + depends on SOC_IMX23 + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on i.MX23. + + config DEBUG_IMX25_UART + bool "i.MX25 Debug UART" + depends on SOC_IMX25 + help + Say Y here if you want kernel low-level debugging support + on i.MX25. + + config DEBUG_IMX27_UART + bool "i.MX27 Debug UART" + depends on SOC_IMX27 + help + Say Y here if you want kernel low-level debugging support + on i.MX27. + + config DEBUG_IMX28_UART + bool "i.MX28 Debug UART" + depends on SOC_IMX28 + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on i.MX28. + + config DEBUG_IMX31_UART + bool "i.MX31 Debug UART" + depends on SOC_IMX31 + help + Say Y here if you want kernel low-level debugging support + on i.MX31. + + config DEBUG_IMX35_UART + bool "i.MX35 Debug UART" + depends on SOC_IMX35 + help + Say Y here if you want kernel low-level debugging support + on i.MX35. + + config DEBUG_IMX50_UART + bool "i.MX50 Debug UART" + depends on SOC_IMX50 + help + Say Y here if you want kernel low-level debugging support + on i.MX50. + + config DEBUG_IMX51_UART + bool "i.MX51 Debug UART" + depends on SOC_IMX51 + help + Say Y here if you want kernel low-level debugging support + on i.MX51. + + config DEBUG_IMX53_UART + bool "i.MX53 Debug UART" + depends on SOC_IMX53 + help + Say Y here if you want kernel low-level debugging support + on i.MX53. + + config DEBUG_IMX6Q_UART + bool "i.MX6Q/DL Debug UART" + depends on SOC_IMX6Q + help + Say Y here if you want kernel low-level debugging support + on i.MX6Q/DL. + + config DEBUG_IMX6SL_UART + bool "i.MX6SL Debug UART" + depends on SOC_IMX6SL + help + Say Y here if you want kernel low-level debugging support + on i.MX6SL. + + config DEBUG_IMX6SX_UART + bool "i.MX6SX Debug UART" + depends on SOC_IMX6SX + help + Say Y here if you want kernel low-level debugging support + on i.MX6SX. + + config DEBUG_IMX6UL_UART + bool "i.MX6UL Debug UART" + depends on SOC_IMX6UL + help + Say Y here if you want kernel low-level debugging support + on i.MX6UL. + + config DEBUG_IMX7D_UART + bool "i.MX7D Debug UART" + depends on SOC_IMX7D + help + Say Y here if you want kernel low-level debugging support + on i.MX7D. + + config DEBUG_INTEGRATOR + bool "Kernel low-level debugging messages via ARM Integrator UART" + depends on ARCH_INTEGRATOR + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on ARM Integrator platforms. + + config DEBUG_KEYSTONE_UART0 + bool "Kernel low-level debugging on KEYSTONE2 using UART0" + depends on ARCH_KEYSTONE + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to UART0 serial port on KEYSTONE2 devices. + + config DEBUG_KEYSTONE_UART1 + bool "Kernel low-level debugging on KEYSTONE2 using UART1" + depends on ARCH_KEYSTONE + select DEBUG_UART_8250 + help + Say Y here if you want the debug print routines to direct + their output to UART1 serial port on KEYSTONE2 devices. + + config DEBUG_LPC18XX_UART0 + bool "Kernel low-level debugging via LPC18xx/43xx UART0" + depends on ARCH_LPC18XX + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on NXP LPC18xx/43xx UART0. + + config DEBUG_LPC32XX + bool "Kernel low-level debugging messages via NXP LPC32xx UART" + depends on ARCH_LPC32XX + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on NXP LPC32xx based platforms. + + config DEBUG_MESON_UARTAO + bool "Kernel low-level debugging via Meson6 UARTAO" + depends on ARCH_MESON + help + Say Y here if you want kernel low-lever debugging support + on Amlogic Meson6 based platforms on the UARTAO. + + config DEBUG_MMP_UART2 + bool "Kernel low-level debugging message via MMP UART2" + depends on ARCH_MMP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on MMP UART2. + + config DEBUG_MMP_UART3 + bool "Kernel low-level debugging message via MMP UART3" + depends on ARCH_MMP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on MMP UART3. + + config DEBUG_MVEBU_UART0 + bool "Kernel low-level debugging messages via MVEBU UART0 (old bootloaders)" + depends on ARCH_MVEBU + depends on ARCH_MVEBU && CPU_V7 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on MVEBU based platforms on UART0. + + This option should be used with the old bootloaders + that left the internal registers mapped at + 0xd0000000. As of today, this is the case on + platforms such as the Globalscale Mirabox or the + Plathome OpenBlocks AX3, when using the original + bootloader. + + This option will not work on older Marvell platforms + (Kirkwood, Dove, MV78xx0, Orion5x), which should pick + the "new bootloader" variant. + + If the wrong DEBUG_MVEBU_UART* option is selected, + when u-boot hands over to the kernel, the system + silently crashes, with no serial output at all. + + config DEBUG_MVEBU_UART0_ALTERNATE + bool "Kernel low-level debugging messages via MVEBU UART0 (new bootloaders)" + depends on ARCH_MVEBU || ARCH_DOVE || ARCH_MV78XX0 || ARCH_ORION5X + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on MVEBU based platforms on UART0. (Armada XP, Armada 3xx, + Kirkwood, Dove, MV78xx0, Orion5x). + + + This option should be used with the new bootloaders + that remap the internal registers at 0xf1000000. + + If the wrong DEBUG_MVEBU_UART* option is selected, + when u-boot hands over to the kernel, the system + silently crashes, with no serial output at all. + + config DEBUG_MVEBU_UART1_ALTERNATE + bool "Kernel low-level debugging messages via MVEBU UART1 (new bootloaders)" + depends on ARCH_MVEBU + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on MVEBU based platforms on UART1. (Armada XP, Armada 3xx, + Kirkwood, Dove, MV78xx0, Orion5x). + + This option should be used with the new bootloaders + that remap the internal registers at 0xf1000000. + All of the older (pre Armada XP/370) platforms also use + this address, regardless of the boot loader version. + + If the wrong DEBUG_MVEBU_UART* option is selected, + when u-boot hands over to the kernel, the system + silently crashes, with no serial output at all. + + config DEBUG_MSTARV7_PMUART + bool "Kernel low-level debugging messages via MSTARV7 PM UART" + depends on ARCH_MSTARV7 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + for MSTAR ARMv7-based platforms on PM UART. + + config DEBUG_MT6589_UART0 + bool "Mediatek mt6589 UART0" + depends on ARCH_MEDIATEK + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + for Mediatek mt6589 based platforms on UART0. + + config DEBUG_MT8127_UART0 + bool "Mediatek mt8127/mt6592 UART0" + depends on ARCH_MEDIATEK + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + for Mediatek mt8127 based platforms on UART0. + + config DEBUG_MT8135_UART3 + bool "Mediatek mt8135 UART3" + depends on ARCH_MEDIATEK + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + for Mediatek mt8135 based platforms on UART3. + + config DEBUG_NOMADIK_UART + bool "Kernel low-level debugging messages via NOMADIK UART" + depends on ARCH_NOMADIK + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on NOMADIK based platforms. + + config DEBUG_NSPIRE_CLASSIC_UART + bool "Kernel low-level debugging via TI-NSPIRE 8250 UART" + depends on ARCH_NSPIRE + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on TI-NSPIRE classic models. + + config DEBUG_NSPIRE_CX_UART + bool "Kernel low-level debugging via TI-NSPIRE PL011 UART" + depends on ARCH_NSPIRE + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on TI-NSPIRE CX models. + + config DEBUG_OMAP1UART1 + bool "Kernel low-level debugging via OMAP1 UART1" + depends on ARCH_OMAP1 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on OMAP1 based platforms (except OMAP730) on the UART1. + + config DEBUG_OMAP1UART2 + bool "Kernel low-level debugging via OMAP1 UART2" + depends on ARCH_OMAP1 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on OMAP1 based platforms (except OMAP730) on the UART2. + + config DEBUG_OMAP1UART3 + bool "Kernel low-level debugging via OMAP1 UART3" + depends on ARCH_OMAP1 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on OMAP1 based platforms (except OMAP730) on the UART3. + + config DEBUG_OMAP2UART1 + bool "OMAP2/3/4 UART1 (omap2/3 sdp boards and some omap3 boards)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + help + This covers at least h4, 2430sdp, 3430sdp, 3630sdp, + omap3 torpedo and 3530 lv som. + + config DEBUG_OMAP2UART2 + bool "Kernel low-level debugging messages via OMAP2/3/4 UART2" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_OMAP2UART3 + bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_OMAP3UART3 + bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + help + This covers at least cm_t3x, beagle, crane, devkit8000, + igep00x0, ldp, n900, n9(50), pandora, overo, touchbook, + and 3517evm. + + config DEBUG_OMAP4UART3 + bool "Kernel low-level debugging messages via OMAP4/5 UART3 (omap4 blaze, panda, omap5 sevm)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_OMAP3UART4 + bool "Kernel low-level debugging messages via OMAP36XX UART4" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_OMAP4UART4 + bool "Kernel low-level debugging messages via OMAP4/5 UART4" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_TI81XXUART1 + bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_TI81XXUART2 + bool "Kernel low-level debugging messages via TI81XX UART2" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_TI81XXUART3 + bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_AM33XXUART1 + bool "Kernel low-level debugging messages via AM33XX UART1" + depends on ARCH_OMAP2PLUS + select DEBUG_UART_8250 + + config DEBUG_ZOOM_UART + bool "Kernel low-level debugging messages via Zoom2/3 UART" + depends on ARCH_OMAP2PLUS + select DEBUG_OMAP2PLUS_UART + + config DEBUG_PXA_UART1 + depends on ARCH_PXA + bool "Use PXA UART1 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on PXA UART1. + + config DEBUG_QCOM_UARTDM + bool "Kernel low-level debugging messages via QCOM UARTDM" + depends on ARCH_QCOM + help + Say Y here if you want the debug print routines to direct + their output to the serial port on Qualcomm devices. + + ARCH DEBUG_UART_PHYS DEBUG_UART_VIRT + APQ8064 0x16640000 0xf0040000 + APQ8084 0xf995e000 0xfa75e000 + IPQ4019 0x078af000 0xf78af000 + MSM8X60 0x19c40000 0xf0040000 + MSM8960 0x16440000 0xf0040000 + MSM8974 0xf991e000 0xfa71e000 + + Please adjust DEBUG_UART_PHYS and DEBUG_UART_BASE configuration + options based on your needs. + + config DEBUG_REALVIEW_STD_PORT + bool "RealView Default UART" + depends on ARCH_REALVIEW + select DEBUG_UART_PL01X + help + Say Y here if you want the debug print routines to direct + their output to the serial port on RealView EB, PB11MP, PBA8 + and PBX platforms. + + config DEBUG_REALVIEW_PB1176_PORT + bool "RealView PB1176 UART" + depends on MACH_REALVIEW_PB1176 + select DEBUG_UART_PL01X + help + Say Y here if you want the debug print routines to direct + their output to the standard serial port on the RealView + PB1176 platform. + + config DEBUG_RV1108_UART0 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART0" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + + config DEBUG_RV1108_UART1 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART1" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + + config DEBUG_RV1108_UART2 + bool "Kernel low-level debugging messages via Rockchip RV1108 UART2" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RV1108 based platforms. + + config DEBUG_RK29_UART0 + bool "Kernel low-level debugging messages via Rockchip RK29 UART0" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK29_UART1 + bool "Kernel low-level debugging messages via Rockchip RK29 UART1" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK29_UART2 + bool "Kernel low-level debugging messages via Rockchip RK29 UART2" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK3X_UART0 + bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART0" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK3X_UART1 + bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART1" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK3X_UART2 + bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART2" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK3X_UART3 + bool "Kernel low-level debugging messages via Rockchip RK30/RK31 UART3" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip based platforms. + + config DEBUG_RK32_UART2 + bool "Kernel low-level debugging messages via Rockchip RK32 UART2" + depends on ARCH_ROCKCHIP + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Rockchip RK32xx based platforms. + + config DEBUG_R7S72100_SCIF2 + bool "Kernel low-level debugging messages via SCIF2 on R7S72100" + depends on ARCH_R7S72100 + help + Say Y here if you want kernel low-level debugging support + via SCIF2 on Renesas RZ/A1H (R7S72100). + + config DEBUG_R7S9210_SCIF2 + bool "Kernel low-level debugging messages via SCIF2 on R7S9210" + depends on ARCH_R7S9210 + help + Say Y here if you want kernel low-level debugging support + via SCIF2 on Renesas RZ/A2M (R7S9210). + + config DEBUG_R7S9210_SCIF4 + bool "Kernel low-level debugging messages via SCIF4 on R7S9210" + depends on ARCH_R7S9210 + help + Say Y here if you want kernel low-level debugging support + via SCIF4 on Renesas RZ/A2M (R7S9210). + + config DEBUG_RCAR_GEN1_SCIF0 + bool "Kernel low-level debugging messages via SCIF0 on R8A7778" + depends on ARCH_R8A7778 + help + Say Y here if you want kernel low-level debugging support + via SCIF0 on Renesas R-Car M1A (R8A7778). + + config DEBUG_RCAR_GEN1_SCIF2 + bool "Kernel low-level debugging messages via SCIF2 on R8A7779" + depends on ARCH_R8A7779 + help + Say Y here if you want kernel low-level debugging support + via SCIF2 on Renesas R-Car H1 (R8A7779). + + config DEBUG_RCAR_GEN2_SCIF0 + bool "Kernel low-level debugging messages via SCIF0 on R-Car Gen2 and RZ/G1" + depends on ARCH_R8A7743 || ARCH_R8A7744 || ARCH_R8A7790 || \ + ARCH_R8A7791 || ARCH_R8A7792 || ARCH_R8A7793 + help + Say Y here if you want kernel low-level debugging support + via SCIF0 on Renesas RZ/G1M (R8A7743), RZ/G1N (R8A7744), + R-Car H2 (R8A7790), M2-W (R8A7791), V2H (R8A7792), or + M2-N (R8A7793). + + config DEBUG_RCAR_GEN2_SCIF1 + bool "Kernel low-level debugging messages via SCIF1 on R8A77470" + depends on ARCH_R8A77470 + help + Say Y here if you want kernel low-level debugging support + via SCIF1 on Renesas RZ/G1C (R8A77470). + + config DEBUG_RCAR_GEN2_SCIF2 + bool "Kernel low-level debugging messages via SCIF2 on R8A7794" + depends on ARCH_R8A7794 + help + Say Y here if you want kernel low-level debugging support + via SCIF2 on Renesas R-Car E2 (R8A7794). + + config DEBUG_RCAR_GEN2_SCIF4 + bool "Kernel low-level debugging messages via SCIF4 on R8A7745" + depends on ARCH_R8A7745 + help + Say Y here if you want kernel low-level debugging support + via SCIF4 on Renesas RZ/G1E (R8A7745). + + config DEBUG_RCAR_GEN2_SCIFA2 + bool "Kernel low-level debugging messages via SCIFA2 on R8A7742" + depends on ARCH_R8A7742 + help + Say Y here if you want kernel low-level debugging support + via SCIFA2 on Renesas RZ/G1H (R8A7742). + + config DEBUG_RMOBILE_SCIFA0 + bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4" + depends on ARCH_R8A73A4 + help + Say Y here if you want kernel low-level debugging support + via SCIFA0 on Renesas R-Mobile APE6 (R8A73A4). + + config DEBUG_RMOBILE_SCIFA1 + bool "Kernel low-level debugging messages via SCIFA1 on R8A7740" + depends on ARCH_R8A7740 + help + Say Y here if you want kernel low-level debugging support + via SCIFA1 on Renesas R-Mobile A1 (R8A7740). + + config DEBUG_RMOBILE_SCIFA4 + bool "Kernel low-level debugging messages via SCIFA4 on SH73A0" + depends on ARCH_SH73A0 + help + Say Y here if you want kernel low-level debugging support + via SCIFA4 on Renesas SH-Mobile AG5 (SH73A0). + + config DEBUG_S3C_UART0 + depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS + select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C64XX_UART if ARCH_S3C64XX + select DEBUG_S5PV210_UART if ARCH_S5PV210 + bool "Use Samsung S3C UART 0 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 0. The port must have been initialised + by the boot-loader before use. + + config DEBUG_S3C_UART1 + depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS + select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C64XX_UART if ARCH_S3C64XX + select DEBUG_S5PV210_UART if ARCH_S5PV210 + bool "Use Samsung S3C UART 1 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 1. The port must have been initialised + by the boot-loader before use. + + config DEBUG_S3C_UART2 + depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS + select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C64XX_UART if ARCH_S3C64XX + select DEBUG_S5PV210_UART if ARCH_S5PV210 + bool "Use Samsung S3C UART 2 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 2. The port must have been initialised + by the boot-loader before use. + + config DEBUG_S3C_UART3 + depends on ARCH_EXYNOS || ARCH_S5PV210 + select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C64XX_UART if ARCH_S3C64XX + select DEBUG_S5PV210_UART if ARCH_S5PV210 + bool "Use Samsung S3C UART 3 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 3. The port must have been initialised + by the boot-loader before use. + + config DEBUG_SA1100 + depends on ARCH_SA1100 + bool "Use SA1100 UARTs for low-level debug" + help + Say Y here if you want kernel low-level debugging support + on SA-11x0 UART ports. The kernel will check for the first + enabled UART in a sequence 3-1-2. + + config DEBUG_SD5203_UART + bool "Hisilicon SD5203 Debug UART" + depends on ARCH_SD5203 + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SD5203 UART. + + config DEBUG_SOCFPGA_UART0 + depends on ARCH_INTEL_SOCFPGA + bool "Use SOCFPGA UART0 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SOCFPGA(Cyclone 5 and Arria 5) based platforms. + + config DEBUG_SOCFPGA_ARRIA10_UART1 + depends on ARCH_INTEL_SOCFPGA + bool "Use SOCFPGA Arria10 UART1 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SOCFPGA(Arria 10) based platforms. + + config DEBUG_SOCFPGA_CYCLONE5_UART1 + depends on ARCH_INTEL_SOCFPGA + bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug" + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on SOCFPGA(Cyclone 5 and Arria 5) based platforms. + + config DEBUG_SUN9I_UART0 + bool "Kernel low-level debugging messages via sun9i UART0" + depends on MACH_SUN9I + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Allwinner A80 based platforms on the UART0. + + config DEBUG_SUNXI_UART0 + bool "Kernel low-level debugging messages via sunXi UART0" + depends on ARCH_SUNXI + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Allwinner A1X based platforms on the UART0. + + config DEBUG_SUNXI_UART1 + bool "Kernel low-level debugging messages via sunXi UART1" + depends on ARCH_SUNXI + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Allwinner A1X based platforms on the UART1. + + config DEBUG_SUNXI_R_UART + bool "Kernel low-level debugging messages via sunXi R_UART" + depends on MACH_SUN6I || MACH_SUN8I + select DEBUG_UART_8250 + help + Say Y here if you want kernel low-level debugging support + on Allwinner A31/A23 based platforms on the R_UART. + + config DEBUG_SPEAR3XX + bool "Kernel low-level debugging messages via ST SPEAr 3xx/6xx UART" + depends on ARCH_SPEAR3XX || ARCH_SPEAR6XX + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on ST SPEAr based platforms. + + config DEBUG_SPEAR13XX + bool "Kernel low-level debugging messages via ST SPEAr 13xx UART" + depends on ARCH_SPEAR13XX + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on ST SPEAr13xx based platforms. + + config DEBUG_STIH41X_ASC2 + bool "Use StiH415/416 ASC2 UART for low-level debug" + depends on ARCH_STI + help + Say Y here if you want kernel low-level debugging support + on STiH415/416 based platforms like b2000, which has + default UART wired up to ASC2. + + If unsure, say N. + + config DEBUG_STIH41X_SBC_ASC1 + bool "Use StiH415/416 SBC ASC1 UART for low-level debug" + depends on ARCH_STI + help + Say Y here if you want kernel low-level debugging support + on STiH415/416 based platforms like b2020. which has + default UART wired up to SBC ASC1. + + If unsure, say N. + + config DEBUG_STIH418_SBC_ASC0 + bool "Use StiH418 SBC ASC0 UART for low-level debug" + depends on ARCH_STI + help + Say Y here if you want kernel low-level debugging support + on STiH418 based platforms which has default UART wired + up to SBC ASC0. + + If unsure, say N. + + config STM32F4_DEBUG_UART + bool "Use STM32F4 UART for low-level debug" + depends on MACH_STM32F429 || MACH_STM32F469 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support + on STM32F4 based platforms, which default UART is wired on + USART1, but another UART instance can be selected by modifying + CONFIG_DEBUG_UART_PHYS. + + If unsure, say N. + + config STM32F7_DEBUG_UART + bool "Use STM32F7 UART for low-level debug" + depends on MACH_STM32F746 || MACH_STM32F769 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support + on STM32F7 based platforms, which default UART is wired on + USART1, but another UART instance can be selected by modifying + CONFIG_DEBUG_UART_PHYS. + + If unsure, say N. + + config STM32H7_DEBUG_UART + bool "Use STM32H7 UART for low-level debug" + depends on MACH_STM32H743 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support + on STM32H7 based platforms, which default UART is wired on + USART1, but another UART instance can be selected by modifying + CONFIG_DEBUG_UART_PHYS. + + If unsure, say N. + + config STM32MP1_DEBUG_UART + bool "Use STM32MP1 UART for low-level debug" + depends on MACH_STM32MP157 + select DEBUG_STM32_UART + help + Say Y here if you want kernel low-level debugging support on + STM32MP1-based platforms, where the default UART is wired to + UART4, but another UART instance can be selected by modifying + CONFIG_DEBUG_UART_PHYS and CONFIG_DEBUG_UART_VIRT. + + If unsure, say N. + + config TEGRA_DEBUG_UART_AUTO_ODMDATA + bool "Kernel low-level debugging messages via Tegra UART via ODMDATA" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Automatically determines which UART to use for low-level + debug based on the ODMDATA value. This value is part of + the BCT, and is written to the boot memory device using + nvflash, or other flashing tool. When bits 19:18 are 3, + then bits 17:15 indicate which UART to use; 0/1/2/3/4 + are UART A/B/C/D/E. + + config TEGRA_DEBUG_UARTA + bool "Kernel low-level debugging messages via Tegra UART A" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Say Y here if you want kernel low-level debugging support + on Tegra based platforms. + + config TEGRA_DEBUG_UARTB + bool "Kernel low-level debugging messages via Tegra UART B" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Say Y here if you want kernel low-level debugging support + on Tegra based platforms. + + config TEGRA_DEBUG_UARTC + bool "Kernel low-level debugging messages via Tegra UART C" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Say Y here if you want kernel low-level debugging support + on Tegra based platforms. + + config TEGRA_DEBUG_UARTD + bool "Kernel low-level debugging messages via Tegra UART D" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Say Y here if you want kernel low-level debugging support + on Tegra based platforms. + + config TEGRA_DEBUG_UARTE + bool "Kernel low-level debugging messages via Tegra UART E" + depends on ARCH_TEGRA + select DEBUG_TEGRA_UART + help + Say Y here if you want kernel low-level debugging support + on Tegra based platforms. + + config DEBUG_UX500_UART + depends on ARCH_U8500 + bool "Use Ux500 UART for low-level debug" + help + Say Y here if you want kernel low-level debugging support + on Ux500 based platforms. + + config DEBUG_VERSATILE + bool "Kernel low-level debugging messages via ARM Versatile UART" + depends on ARCH_VERSATILE + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on ARM Versatile platforms. + + config DEBUG_VEXPRESS_UART0_DETECT + bool "Autodetect UART0 on Versatile Express Cortex-A core tiles" + depends on ARCH_VEXPRESS && CPU_CP15_MMU + help + This option enables a simple heuristic which tries to determine + the motherboard's memory map variant (original or RS1) and then + choose the relevant UART0 base address. + + Note that this will only work with standard A-class core tiles, + and may fail with non-standard SMM or custom software models. + + config DEBUG_VEXPRESS_UART0_CA9 + bool "Use PL011 UART0 at 0x10009000 (V2P-CA9 core tile)" + depends on ARCH_VEXPRESS + select DEBUG_UART_PL01X + help + This option selects UART0 at 0x10009000. Except for custom models, + this applies only to the V2P-CA9 tile. + + config DEBUG_VEXPRESS_UART0_RS1 + bool "Use PL011 UART0 at 0x1c090000 (RS1 complaint tiles)" + depends on ARCH_VEXPRESS + select DEBUG_UART_PL01X + help + This option selects UART0 at 0x1c090000. This applies to most + of the tiles using the RS1 memory map, including all new A-class + core tiles, FPGA-based SMMs and software models. + + config DEBUG_VEXPRESS_UART0_CRX + bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)" + depends on ARCH_VEXPRESS && !MMU + select DEBUG_UART_PL01X + help + This option selects UART0 at 0xb0090000. This is appropriate for + Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7 + + config DEBUG_VF_UART + bool "Vybrid UART" + depends on SOC_VF610 + help + Say Y here if you want kernel low-level debugging support + on Vybrid based platforms. + + config DEBUG_VT8500_UART0 + bool "Use UART0 on VIA/Wondermedia SoCs" + depends on ARCH_VT8500 + help + This option selects UART0 on VIA/Wondermedia System-on-a-chip + devices, including VT8500, WM8505, WM8650 and WM8850. + + config DEBUG_ZYNQ_UART0 + bool "Kernel low-level debugging on Xilinx Zynq using UART0" + depends on ARCH_ZYNQ + help + Say Y here if you want the debug print routines to direct + their output to UART0 on the Zynq platform. + + config DEBUG_ZYNQ_UART1 + bool "Kernel low-level debugging on Xilinx Zynq using UART1" + depends on ARCH_ZYNQ + help + Say Y here if you want the debug print routines to direct + their output to UART1 on the Zynq platform. + + If you have a ZC702 board and want early boot messages to + appear on the USB serial adaptor, select this option. + + config DEBUG_ICEDCC + bool "Kernel low-level debugging via EmbeddedICE DCC channel" + help + Say Y here if you want the debug print routines to direct + their output to the EmbeddedICE macrocell's DCC channel using + co-processor 14. This is known to work on the ARM9 style ICE + channel and on the XScale with the PEEDI. + + Note that the system will appear to hang during boot if there + is nothing connected to read from the DCC. + + config DEBUG_SEMIHOSTING + bool "Kernel low-level debug output via semihosting I/O" + help + Semihosting enables code running on an ARM target to use + the I/O facilities on a host debugger/emulator through a + simple SVC call. The host debugger or emulator must have + semihosting enabled for the special svc call to be trapped + otherwise the kernel will crash. + + This is known to work with OpenOCD, as well as + ARM's Fast Models, or any other controlling environment + that implements semihosting. + + For more details about semihosting, please see + chapter 8 of DUI0203I_rvct_developer_guide.pdf from ARM Ltd. + + config DEBUG_LL_UART_8250 + bool "Kernel low-level debugging via 8250 UART" + help + Say Y here if you wish the debug print routes to direct + their output to an 8250 UART. You can use this option + to provide the parameters for the 8250 UART rather than + selecting one of the platform specific options above if + you know the parameters for the port. + + This option is preferred over the platform specific + options; the platform specific options are deprecated + and will be soon removed. + + config DEBUG_LL_UART_PL01X + bool "Kernel low-level debugging via ARM Ltd PL01x Primecell UART" + help + Say Y here if you wish the debug print routes to direct + their output to a PL01x Primecell UART. You can use + this option to provide the parameters for the UART + rather than selecting one of the platform specific + options above if you know the parameters for the port. + + This option is preferred over the platform specific + options; the platform specific options are deprecated + and will be soon removed. + +endchoice + +config DEBUG_AT91_UART + bool + depends on ARCH_AT91 + +config DEBUG_EXYNOS_UART + bool + +config DEBUG_S3C64XX_UART + bool + +config DEBUG_S5PV210_UART + bool + +config DEBUG_S3C_UART + depends on DEBUG_S3C64XX_UART || DEBUG_S5PV210_UART || \ + DEBUG_EXYNOS_UART + int + default "0" if DEBUG_S3C_UART0 + default "1" if DEBUG_S3C_UART1 + default "2" if DEBUG_S3C_UART2 + default "3" if DEBUG_S3C_UART3 + +config DEBUG_OMAP2PLUS_UART + bool + depends on ARCH_OMAP2PLUS + +config DEBUG_IMX_UART_PORT + int "i.MX Debug UART Port Selection" + depends on DEBUG_IMX1_UART || \ + DEBUG_IMX25_UART || \ + DEBUG_IMX27_UART || \ + DEBUG_IMX31_UART || \ + DEBUG_IMX35_UART || \ + DEBUG_IMX50_UART || \ + DEBUG_IMX51_UART || \ + DEBUG_IMX53_UART || \ + DEBUG_IMX6Q_UART || \ + DEBUG_IMX6SL_UART || \ + DEBUG_IMX6SX_UART || \ + DEBUG_IMX6UL_UART || \ + DEBUG_IMX7D_UART + default 1 + help + Choose UART port on which kernel low-level debug messages + should be output. + +config DEBUG_VF_UART_PORT + int "Vybrid Debug UART Port Selection" if DEBUG_VF_UART + default 1 + range 0 3 + depends on SOC_VF610 + help + Choose UART port on which kernel low-level debug messages + should be output. + +config DEBUG_TEGRA_UART + bool + depends on ARCH_TEGRA + +config DEBUG_STM32_UART + bool + depends on ARCH_STM32 + +config DEBUG_UART_FLOW_CONTROL + bool "Enable flow control (CTS) for the debug UART" + depends on DEBUG_LL + default y if DEBUG_FOOTBRIDGE_COM1 || DEBUG_GEMINI || ARCH_RPC + help + Some UART ports are connected to terminals that will use modem + control signals to indicate whether they are ready to receive text. + In practice this means that the terminal is asserting the special + control signal CTS (Clear To Send). If your debug UART supports + this and your debug terminal will require it, enable this option. + +config DEBUG_LL_INCLUDE + string + default "debug/sa1100.S" if DEBUG_SA1100 + default "debug/palmchip.S" if DEBUG_UART_8250_PALMCHIP + default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250 + default "debug/at91.S" if DEBUG_AT91_UART + default "debug/asm9260.S" if DEBUG_ASM9260_UART + default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2 + default "debug/dc21285.S" if DEBUG_DC21285_PORT + default "debug/meson.S" if DEBUG_MESON_UARTAO + default "debug/pl01x.S" if DEBUG_LL_UART_PL01X || DEBUG_UART_PL01X + default "debug/exynos.S" if DEBUG_EXYNOS_UART + default "debug/icedcc.S" if DEBUG_ICEDCC + default "debug/imx.S" if DEBUG_IMX1_UART || \ + DEBUG_IMX25_UART || \ + DEBUG_IMX27_UART || \ + DEBUG_IMX31_UART || \ + DEBUG_IMX35_UART || \ + DEBUG_IMX50_UART || \ + DEBUG_IMX51_UART || \ + DEBUG_IMX53_UART || \ + DEBUG_IMX6Q_UART || \ + DEBUG_IMX6SL_UART || \ + DEBUG_IMX6SX_UART || \ + DEBUG_IMX6UL_UART || \ + DEBUG_IMX7D_UART + default "debug/msm.S" if DEBUG_QCOM_UARTDM + default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART + default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2 + default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF2 + default "debug/renesas-scif.S" if DEBUG_R7S9210_SCIF4 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF2 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF0 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4 + default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2 + default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0 + default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1 + default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4 + default "debug/s3c24xx.S" if DEBUG_S3C64XX_UART + default "debug/s5pv210.S" if DEBUG_S5PV210_UART + default "debug/sti.S" if DEBUG_STIH41X_ASC2 + default "debug/sti.S" if DEBUG_STIH41X_SBC_ASC1 + default "debug/sti.S" if DEBUG_STIH418_SBC_ASC0 + default "debug/stm32.S" if DEBUG_STM32_UART + default "debug/tegra.S" if DEBUG_TEGRA_UART + default "debug/ux500.S" if DEBUG_UX500_UART + default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT + default "debug/vf.S" if DEBUG_VF_UART + default "debug/vt8500.S" if DEBUG_VT8500_UART0 + default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1 + default "debug/bcm63xx.S" if DEBUG_BCM63XX_UART + default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0 + default "debug/brcmstb.S" if DEBUG_BRCMSTB_UART + default "mach/debug-macro.S" + +# Compatibility options for PL01x +config DEBUG_UART_PL01X + bool + +# Compatibility options for 8250 +config DEBUG_UART_8250 + def_bool ARCH_IXP4XX || ARCH_RPC + +config DEBUG_UART_PHYS + hex "Physical base address of debug UART" + default 0x01c28000 if DEBUG_SUNXI_UART0 + default 0x01c28400 if DEBUG_SUNXI_UART1 + default 0x01d0c000 if DEBUG_DAVINCI_DA8XX_UART1 + default 0x01d0d000 if DEBUG_DAVINCI_DA8XX_UART2 + default 0x01f02800 if DEBUG_SUNXI_R_UART + default 0x02530c00 if DEBUG_KEYSTONE_UART0 + default 0x02531000 if DEBUG_KEYSTONE_UART1 + default 0x03010fe0 if ARCH_RPC + default 0x07000000 if DEBUG_SUN9I_UART0 + default 0x09530000 if DEBUG_STIH418_SBC_ASC0 + default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \ + DEBUG_VEXPRESS_UART0_CA9 + default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT + default 0x10124000 if DEBUG_RK3X_UART0 + default 0x10126000 if DEBUG_RK3X_UART1 + default 0x101f1000 if DEBUG_VERSATILE + default 0x101fb000 if DEBUG_NOMADIK_UART + default 0x10210000 if DEBUG_RV1108_UART2 + default 0x10220000 if DEBUG_RV1108_UART1 + default 0x10230000 if DEBUG_RV1108_UART0 + default 0x11002000 if DEBUG_MT8127_UART0 + default 0x11006000 if DEBUG_MT6589_UART0 + default 0x11009000 if DEBUG_MT8135_UART3 + default 0x16000000 if DEBUG_INTEGRATOR + default 0x1600d000 if DEBUG_SD5203_UART + default 0x18000300 if DEBUG_BCM_5301X + default 0x18000400 if DEBUG_BCM_HR2 + default 0x18023000 if DEBUG_BCM_IPROC_UART3 + default 0x1c090000 if DEBUG_VEXPRESS_UART0_RS1 + default 0x1f221000 if DEBUG_MSTARV7_PMUART + default 0x20001000 if DEBUG_HIP01_UART + default 0x20060000 if DEBUG_RK29_UART0 + default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 + default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 + default 0x20201000 if DEBUG_BCM2835 + default 0x3e000000 if DEBUG_BCM_KONA_UART + default 0x3f201000 if DEBUG_BCM2836 + default 0x40010000 if STM32MP1_DEBUG_UART + default 0x40011000 if STM32F4_DEBUG_UART || STM32F7_DEBUG_UART || \ + STM32H7_DEBUG_UART + default 0x40028000 if DEBUG_AT91_SAMV7_USART1 + default 0x40081000 if DEBUG_LPC18XX_UART0 + default 0x40090000 if DEBUG_LPC32XX + default 0x40100000 if DEBUG_PXA_UART1 + default 0x42000000 if DEBUG_GEMINI + default 0x44e09000 if DEBUG_AM33XXUART1 + default 0x48020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 + default 0x48022000 if DEBUG_TI81XXUART2 + default 0x48024000 if DEBUG_TI81XXUART3 + default 0x4806a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ + DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 + default 0x4806c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ + DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 + default 0x4806e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 + default 0x49020000 if DEBUG_OMAP3UART3 + default 0x49042000 if DEBUG_OMAP3UART4 + default 0x7c0003f8 if DEBUG_FOOTBRIDGE_COM1 + default 0x7f005000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 + default 0x7f005400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 + default 0x7f005800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 + default 0x7f005c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 + default 0x80010000 if DEBUG_ASM9260_UART + default 0x80070000 if DEBUG_IMX23_UART + default 0x80074000 if DEBUG_IMX28_UART + default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX + default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART + default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX + default 0xc8000000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN + default 0xc8000003 if ARCH_IXP4XX && CPU_BIG_ENDIAN + default 0xd0000000 if DEBUG_SPEAR3XX + default 0xd0012000 if DEBUG_MVEBU_UART0 + default 0xc81004c0 if DEBUG_MESON_UARTAO + default 0xd4017000 if DEBUG_MMP_UART2 + default 0xd4018000 if DEBUG_MMP_UART3 + default 0xe0000000 if DEBUG_SPEAR13XX + default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM + default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 + default 0xe4007000 if DEBUG_HIP04_UART + default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0 + default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1 + default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2 + default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4 + default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2 + default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0 + default 0xe6e68000 if DEBUG_RCAR_GEN2_SCIF1 + default 0xe6ee0000 if DEBUG_RCAR_GEN2_SCIF4 + default 0xe8008000 if DEBUG_R7S72100_SCIF2 || DEBUG_R7S9210_SCIF2 + default 0xe8009000 if DEBUG_R7S9210_SCIF4 + default 0xf0000000 if DEBUG_DIGICOLOR_UA0 + default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE + default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE + default 0xf7fc9000 if DEBUG_BERLIN_UART + default 0xf8020000 if DEBUG_AT91_SAMA5D2_UART1 + default 0xf8b00000 if DEBUG_HIX5HD2_UART + default 0xf991e000 if DEBUG_QCOM_UARTDM + default 0xfc00c000 if DEBUG_AT91_SAMA5D4_USART3 + default 0xfcb00000 if DEBUG_HI3620_UART + default 0xfd883000 if DEBUG_ALPINE_UART0 + default 0xfe531000 if DEBUG_STIH41X_SBC_ASC1 + default 0xfed32000 if DEBUG_STIH41X_ASC2 + default 0xff690000 if DEBUG_RK32_UART2 + default 0xffc02000 if DEBUG_SOCFPGA_UART0 + default 0xffc02100 if DEBUG_SOCFPGA_ARRIA10_UART1 + default 0xffc03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 + default 0xffe40000 if DEBUG_RCAR_GEN1_SCIF0 + default 0xffe42000 if DEBUG_RCAR_GEN1_SCIF2 + default 0xfff36000 if DEBUG_HIGHBANK_UART + default 0xfffb0000 if DEBUG_OMAP1UART1 + default 0xfffb0800 if DEBUG_OMAP1UART2 + default 0xfffb9800 if DEBUG_OMAP1UART3 + default 0xfffe8600 if DEBUG_BCM63XX_UART + default 0xffffee00 if DEBUG_AT91_SAM9263_DBGU + default 0xfffff200 if DEBUG_AT91_RM9200_DBGU + depends on ARCH_EP93XX || \ + DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ + DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ + DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \ + DEBUG_R7S9210_SCIF2 || DEBUG_R7S9210_SCIF4 || \ + DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \ + DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \ + DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \ + DEBUG_RCAR_GEN2_SCIFA2 || \ + DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \ + DEBUG_RMOBILE_SCIFA4 || \ + DEBUG_S3C64XX_UART || \ + DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ + DEBUG_DIGICOLOR_UA0 || \ + DEBUG_AT91_UART || DEBUG_STM32_UART || \ + DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ + DEBUG_STIH418_SBC_ASC0 + +config DEBUG_UART_VIRT + hex "Virtual base address of debug UART" + default 0xc881f000 if DEBUG_RV1108_UART2 + default 0xc8821000 if DEBUG_RV1108_UART1 + default 0xc8912000 if DEBUG_RV1108_UART0 + default 0xe0010fe0 if ARCH_RPC + default 0xe0824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3 + default 0xf0010000 if DEBUG_ASM9260_UART + default 0xf0100000 if DEBUG_DIGICOLOR_UA0 + default 0xf01fb000 if DEBUG_NOMADIK_UART + default 0xf0201000 if DEBUG_BCM2835 || DEBUG_BCM2836 + default 0xf0221000 if DEBUG_MSTARV7_PMUART + default 0xf1000300 if DEBUG_BCM_5301X + default 0xf1000400 if DEBUG_BCM_HR2 + default 0xf1002000 if DEBUG_MT8127_UART0 + default 0xf1006000 if DEBUG_MT6589_UART0 + default 0xf1009000 if DEBUG_MT8135_UART3 + default 0xf1023000 if DEBUG_BCM_IPROC_UART3 + default 0xf11f1000 if DEBUG_VERSATILE + default 0xf1600000 if DEBUG_INTEGRATOR + default 0xf1c28000 if DEBUG_SUNXI_UART0 + default 0xf1c28400 if DEBUG_SUNXI_UART1 + default 0xf1f02800 if DEBUG_SUNXI_R_UART + default 0xf31004c0 if DEBUG_MESON_UARTAO + default 0xf4090000 if DEBUG_LPC32XX + default 0xf4200000 if DEBUG_GEMINI + default 0xf6200000 if DEBUG_PXA_UART1 + default 0xf7000000 if DEBUG_SUN9I_UART0 + default 0xf7000000 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART0 + default 0xf7000400 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART1 + default 0xf7000800 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART2 + default 0xf7000c00 if DEBUG_S3C64XX_UART && DEBUG_S3C_UART3 + default 0xf7020000 if DEBUG_AT91_SAMA5D2_UART1 + default 0xf7fc9000 if DEBUG_BERLIN_UART + default 0xf8007000 if DEBUG_HIP04_UART + default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 + default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 + default 0xf8ffee00 if DEBUG_AT91_SAM9263_DBGU + default 0xf8fff200 if DEBUG_AT91_RM9200_DBGU + default 0xf9530000 if DEBUG_STIH418_SBC_ASC0 + default 0xf9e09000 if DEBUG_AM33XXUART1 + default 0xfa020000 if DEBUG_OMAP4UART3 || DEBUG_TI81XXUART1 + default 0xfa022000 if DEBUG_TI81XXUART2 + default 0xfa024000 if DEBUG_TI81XXUART3 + default 0xfa06a000 if DEBUG_OMAP2UART1 || DEBUG_OMAP3UART1 || \ + DEBUG_OMAP4UART1 || DEBUG_OMAP5UART1 + default 0xfa06c000 if DEBUG_OMAP2UART2 || DEBUG_OMAP3UART2 || \ + DEBUG_OMAP4UART2 || DEBUG_OMAP5UART2 + default 0xfa06e000 if DEBUG_OMAP2UART3 || DEBUG_OMAP4UART4 + default 0xfa71e000 if DEBUG_QCOM_UARTDM + default 0xfb009000 if DEBUG_REALVIEW_STD_PORT + default 0xfb00c000 if DEBUG_AT91_SAMA5D4_USART3 + default 0xfb020000 if DEBUG_OMAP3UART3 + default 0xfb042000 if DEBUG_OMAP3UART4 + default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT + default 0xfcfe8600 if DEBUG_BCM63XX_UART + default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX + default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM + default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1 + default 0xfd883000 if DEBUG_ALPINE_UART0 + default 0xfdd32000 if DEBUG_STIH41X_ASC2 + default 0xfe010000 if STM32MP1_DEBUG_UART + default 0xfe017000 if DEBUG_MMP_UART2 + default 0xfe018000 if DEBUG_MMP_UART3 + default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART + default 0xfe300000 if DEBUG_BCM_KONA_UART + default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HIX5HD2_UART + default 0xfeb24000 if DEBUG_RK3X_UART0 + default 0xfeb26000 if DEBUG_RK3X_UART1 + default 0xfeb30c00 if DEBUG_KEYSTONE_UART0 + default 0xfeb31000 if DEBUG_KEYSTONE_UART1 + default 0xfec02000 if DEBUG_SOCFPGA_UART0 + default 0xfec02100 if DEBUG_SOCFPGA_ARRIA10_UART1 + default 0xfec03000 if DEBUG_SOCFPGA_CYCLONE5_UART1 + default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE + default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE + default 0xfec90000 if DEBUG_RK32_UART2 + default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1 + default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_SD5203_UART + default 0xfed60000 if DEBUG_RK29_UART0 + default 0xfed64000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2 + default 0xfed68000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3 + default 0xfedc0000 if DEBUG_EP93XX + default 0xfee003f8 if DEBUG_FOOTBRIDGE_COM1 + default 0xfee20000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART + default 0xfec00000 if ARCH_IXP4XX && !CPU_BIG_ENDIAN + default 0xfec00003 if ARCH_IXP4XX && CPU_BIG_ENDIAN + default 0xfef36000 if DEBUG_HIGHBANK_UART + default 0xff0b0000 if DEBUG_OMAP1UART1 + default 0xff0b0800 if DEBUG_OMAP1UART2 + default 0xff0b9800 if DEBUG_OMAP1UART3 + default 0xffd01000 if DEBUG_HIP01_UART + default DEBUG_UART_PHYS if !MMU + depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ + DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \ + DEBUG_QCOM_UARTDM || \ + DEBUG_S3C64XX_UART || \ + DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \ + DEBUG_DIGICOLOR_UA0 || \ + DEBUG_AT91_UART || DEBUG_STM32_UART || \ + DEBUG_STIH41X_ASC2 || DEBUG_STIH41X_SBC_ASC1 || \ + DEBUG_STIH418_SBC_ASC0 + +config DEBUG_UART_8250_SHIFT + int "Register offset shift for the 8250 debug UART" + depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 + default 0 if DEBUG_FOOTBRIDGE_COM1 || DEBUG_BCM_5301X || \ + DEBUG_BCM_HR2 + default 3 if DEBUG_MSTARV7_PMUART + default 2 + +config DEBUG_UART_8250_WORD + bool "Use 32-bit accesses for 8250 UART" + depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 + depends on DEBUG_UART_8250_SHIFT >= 2 + default y if DEBUG_SOCFPGA_UART0 || DEBUG_SOCFPGA_ARRIA10_UART1 || \ + DEBUG_SOCFPGA_CYCLONE5_UART1 || DEBUG_KEYSTONE_UART0 || \ + DEBUG_KEYSTONE_UART1 || DEBUG_ALPINE_UART0 || \ + DEBUG_DAVINCI_DA8XX_UART1 || DEBUG_DAVINCI_DA8XX_UART2 || \ + DEBUG_BCM_IPROC_UART3 || DEBUG_BCM_KONA_UART || \ + DEBUG_RK32_UART2 + +config DEBUG_UART_8250_PALMCHIP + bool "8250 UART is Palmchip BK-310x" + depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250 + help + Palmchip provides a UART implementation compatible with 16550 + except for having a different register layout. Say Y here if + the debug UART is of this type. + +config DEBUG_UNCOMPRESS + bool "Enable decompressor debugging via DEBUG_LL output" + depends on !ARCH_MULTIPLATFORM + depends on !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) + depends on DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \ + (!DEBUG_TEGRA_UART || !ZBOOT_ROM) && \ + !DEBUG_BRCMSTB_UART && !DEBUG_SEMIHOSTING + help + This option influences the normal decompressor output for + multiplatform kernels. Normally, multiplatform kernels disable + decompressor output because it is not possible to know where to + send the decompressor output. + + When this option is set, the selected DEBUG_LL output method + will be re-used for normal decompressor output on multiplatform + kernels. + + +config UNCOMPRESS_INCLUDE + string + default "mach/uncompress.h" if ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100 + default "debug/uncompress.h" + +config EARLY_PRINTK + bool "Early printk" + depends on DEBUG_LL + help + Say Y here if you want to have an early console using the + kernel low-level debugging functions. Add earlyprintk to your + kernel parameters to enable this console. + +config ARM_KPROBES_TEST + tristate "Kprobes test module" + depends on KPROBES && MODULES + help + Perform tests of kprobes API and instruction set simulation. + +config PID_IN_CONTEXTIDR + bool "Write the current PID to the CONTEXTIDR register" + depends on CPU_COPY_V6 + help + Enabling this option causes the kernel to write the current PID to + the PROCID field of the CONTEXTIDR register, at the expense of some + additional instructions during context switch. Say Y here only if you + are planning to use hardware trace tools with this kernel. + +source "drivers/hwtracing/coresight/Kconfig" |