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authorBaruch Siach <baruch@tkos.co.il>2015-01-14 11:40:31 +0300
committerOlof Johansson <olof@lixom.net>2015-01-28 02:11:51 +0300
commite23814da826283ee540f2c0837bba1937cd8f6b5 (patch)
tree63191ca025fe9368622d4f643eb025f0f50b538a /arch/arm/Kconfig.debug
parentdf8d742e9299ef6c0fdc3edf6f028f211f683a7b (diff)
downloadlinux-e23814da826283ee540f2c0837bba1937cd8f6b5.tar.xz
ARM: digicolor: add low level debug support
Use the USART peripheral as UART for low level debug. Only the UA0 port is currently supported. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 453ae2feaeee..b6a073de1559 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -247,6 +247,13 @@ choice
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_FOOTBRIDGE_COM1
bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
depends on FOOTBRIDGE
@@ -1255,6 +1262,7 @@ config DEBUG_LL_INCLUDE
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_UART_BCM63XX
+ default "debug/digicolor.S" if DEBUG_DIGICOLOR_UA0
default "mach/debug-macro.S"
# Compatibility options for PL01x
@@ -1377,7 +1385,7 @@ config DEBUG_UART_PHYS
DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
- DEBUG_SIRFSOC_UART
+ DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
config DEBUG_UART_VIRT
hex "Virtual base address of debug UART"
@@ -1460,7 +1468,8 @@ config DEBUG_UART_VIRT
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
- DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || DEBUG_SIRFSOC_UART
+ DEBUG_UART_BCM63XX || DEBUG_ASM9260_UART || \
+ DEBUG_SIRFSOC_UART || DEBUG_DIGICOLOR_UA0
config DEBUG_UART_8250_SHIFT
int "Register offset shift for the 8250 debug UART"