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Kconfig.debug
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Kconfig.debug
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menu "Kernel hacking"
source "lib/Kconfig.debug"
config ARM_PTDUMP
bool "Export kernel pagetable layout to userspace via debugfs"
depends on DEBUG_KERNEL
depends on MMU
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"
# RMK wants arm kernels compiled with frame pointers or stack unwinding.
# If you know what you are doing and are willing to live without stack
# traces, you can get a slightly smaller kernel by setting this option to
# n, but then RMK will have to kill you ;).
config FRAME_POINTER
bool
depends on !THUMB2_KERNEL
default y if !ARM_UNWIND || FUNCTION_GRAPH_TRACER
help
If you say N here, the resulting kernel will be slightly smaller and
faster. However, if neither FRAME_POINTER nor ARM_UNWIND are enabled,
when a problem occurs with the kernel, the information that is
reported is severely limited.
config ARM_UNWIND
bool "Enable stack unwinding support (EXPERIMENTAL)"
depends on AEABI
default y
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. If unsure say Y.
config OLD_MCOUNT
bool
depends on FUNCTION_TRACER && FRAME_POINTER
default y
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 DBGU"
select DEBUG_AT91_UART
depends on SOC_AT91RM9200 || SOC_AT91SAM9
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
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_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_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_BCM_63XX
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
select DEBUG_UART_8250
help
Say Y here if you want the debug print routines to direct
their output to the first serial port on these devices.
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_CNS3XXX
bool "Kernel Kernel low-level debugging on Cavium Networks CNS3xxx"
depends on ARCH_CNS3XXX
select DEBUG_UART_8250
help
Say Y here if you want the debug print routines to direct
their output to the CNS3xxx UART0.
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_DAVINCI_DMx_UART0
bool "Kernel low-level debugging on DaVinci DMx using UART0"
depends on ARCH_DAVINCI_DMx
select DEBUG_UART_8250
help
Say Y here if you want the debug print routines to direct
their output to UART0 serial port on DaVinci DMx 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_IMX21_IMX27_UART
bool "i.MX21 and i.MX27 Debug UART"
depends on SOC_IMX21 || SOC_IMX27
help
Say Y here if you want kernel low-level debugging support
on i.MX21 or 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_KS8695_UART
bool "KS8695 Debug UART"
depends on ARCH_KS8695
help
Say Y here if you want kernel low-level debugging support
on KS8695.
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_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_NETX_UART
bool "Kernel low-level debugging messages via NetX UART"
depends on ARCH_NETX
help
Say Y here if you want kernel low-level debugging support
on Hilscher NetX based platforms.
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_OMAP2PLUS_UART
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_OMAP2PLUS_UART
config DEBUG_OMAP2UART3
bool "Kernel low-level debugging messages via OMAP2 UART3 (n8x0)"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_OMAP3UART3
bool "Kernel low-level debugging messages via OMAP3 UART3 (most omap3 boards)"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
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_OMAP2PLUS_UART
config DEBUG_OMAP3UART4
bool "Kernel low-level debugging messages via OMAP36XX UART4"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_OMAP4UART4
bool "Kernel low-level debugging messages via OMAP4/5 UART4"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_OMAP7XXUART1
bool "Kernel low-level debugging via OMAP730 UART1"
depends on ARCH_OMAP730
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on OMAP730 based platforms on the UART1.
config DEBUG_OMAP7XXUART2
bool "Kernel low-level debugging via OMAP730 UART2"
depends on ARCH_OMAP730
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on OMAP730 based platforms on the UART2.
config DEBUG_OMAP7XXUART3
bool "Kernel low-level debugging via OMAP730 UART3"
depends on ARCH_OMAP730
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on OMAP730 based platforms on the UART3.
config DEBUG_TI81XXUART1
bool "Kernel low-level debugging messages via TI81XX UART1 (ti8148evm)"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_TI81XXUART2
bool "Kernel low-level debugging messages via TI81XX UART2"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_TI81XXUART3
bool "Kernel low-level debugging messages via TI81XX UART3 (ti8168evm)"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_AM33XXUART1
bool "Kernel low-level debugging messages via AM33XX UART1"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_ZOOM_UART
bool "Kernel low-level debugging messages via Zoom2/3 UART"
depends on ARCH_OMAP2PLUS
select DEBUG_OMAP2PLUS_UART
config DEBUG_PICOXCELL_UART
depends on ARCH_PICOXCELL
bool "Use PicoXcell UART for low-level debug"
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on PicoXcell based platforms.
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
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_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_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 R8A7790/R8A7791/R8A7793"
depends on ARCH_R8A7790 || ARCH_R8A7791 || ARCH_R8A7793
help
Say Y here if you want kernel low-level debugging support
via SCIF0 on Renesas R-Car H2 (R8A7790), M2-W (R8A7791), or
M2-N (R8A7793).
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_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
select DEBUG_EXYNOS_UART if ARCH_EXYNOS
select DEBUG_S3C24XX_UART if ARCH_S3C24XX
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
select DEBUG_EXYNOS_UART if ARCH_EXYNOS
select DEBUG_S3C24XX_UART if ARCH_S3C24XX
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
select DEBUG_EXYNOS_UART if ARCH_EXYNOS
select DEBUG_S3C24XX_UART if ARCH_S3C24XX
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 PLAT_SAMSUNG && (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_S3C2410_UART0
depends on ARCH_S3C24XX
select DEBUG_S3C2410_UART
bool "Use S3C2410/S3C2412 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_S3C2410_UART1
depends on ARCH_S3C24XX
select DEBUG_S3C2410_UART
bool "Use S3C2410/S3C2412 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_S3C2410_UART2
depends on ARCH_S3C24XX
select DEBUG_S3C2410_UART
bool "Use S3C2410/S3C2412 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_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_SOCFPGA_UART0
depends on ARCH_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_UART1
depends on ARCH_SOCFPGA
bool "Use SOCFPGA 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_SUN9I_UART0
bool "Kernel low-level debugging messages via sun9i UART0"
depends on MACH_SUN9I