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Merge branch 'depends/rmk/debug' into tmp

This commit is contained in:
Arnd Bergmann 2011-10-20 17:57:42 +02:00
parent 976d167615 f73765fcb8
commit bda2487997
1 changed files with 59 additions and 30 deletions
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89
arch/arm/Kconfig.debug
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@ -65,13 +65,71 @@ config DEBUG_USER
# These options are only for real kernel hackers who want to get their hands dirty.
config DEBUG_LL
bool "Kernel low-level debugging functions"
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_LL_UART_NONE
bool "No low-level debugging UART"
help
Say Y here if your platform doesn't provide a UART option
below. This relies on your platform choosing the right UART
definition internally in order for low-level debugging to
work.
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_FOOTBRIDGE_COM1
bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
depends on FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct
their output to the 8250 at PCI COM1.
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_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.
endchoice
config EARLY_PRINTK
bool "Early printk"
depends on DEBUG_LL
@ -80,18 +138,6 @@ config EARLY_PRINTK
kernel low-level debugging functions. Add earlyprintk to your
kernel parameters to enable this console.
config DEBUG_ICEDCC
bool "Kernel low-level debugging via EmbeddedICE DCC channel"
depends on DEBUG_LL
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.
It does include a timeout to ensure that the system does not
totally freeze when there is nothing connected to read.
config OC_ETM
bool "On-chip ETM and ETB"
select ARM_AMBA
@ -100,23 +146,6 @@ config OC_ETM
buffer driver that will allow you to collect traces of the
kernel code.
config DEBUG_DC21285_PORT
bool "Kernel low-level debugging messages via footbridge serial port"
depends on DEBUG_LL && FOOTBRIDGE
help
Say Y here if you want the debug print routines to direct their
output to the serial port in the DC21285 (Footbridge). Saying N
will cause the debug messages to appear on the first 16550
serial port.
config DEBUG_CLPS711X_UART2
bool "Kernel low-level debugging messages via UART2"
depends on DEBUG_LL && 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. Saying N will
cause the debug messages to appear on the first serial port.
config DEBUG_S3C_UART
depends on PLAT_SAMSUNG
int "S3C UART to use for low-level debug"