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ARM: imx6q: let users input debug uart port number

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imx6q gets 5 uart ports in total.  Different board design may choose
different port as debug uart.  For example, imx6q-sabresd uses UART1,
imx6q-sabrelite uses UART2 and imx6q-arm2 uses UART4.  Rather than
bloating DEBUG_LL choice list with all these uart ports, the patch
introduces DEBUG_IMX6Q_UART_PORT for users to input uart port number
when DEBUG_IMX6Q_UART is selected inside DEBUG_LL choice.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo
2012-10-08 13:44:29 +08:00
parent 2a32467135
commit 49c9e60eaa
4 changed files with 47 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm/Kconfig.debug
+13 -13
View File
@@ -209,20 +209,12 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX50 or i.MX53.
config DEBUG_IMX6Q_UART2
bool "i.MX6Q Debug UART2"
config DEBUG_IMX6Q_UART
bool "i.MX6Q Debug UART"
depends on SOC_IMX6Q
help
Say Y here if you want kernel low-level debugging support
on i.MX6Q UART2. This is correct for e.g. the SabreLite
board.
config DEBUG_IMX6Q_UART4
bool "i.MX6Q Debug UART4"
depends on SOC_IMX6Q
help
Say Y here if you want kernel low-level debugging support
on i.MX6Q UART4.
on i.MX6Q.
config DEBUG_MMP_UART2
bool "Kernel low-level debugging message via MMP UART2"
@@ -409,6 +401,15 @@ choice
endchoice
config DEBUG_IMX6Q_UART_PORT
int "i.MX6Q Debug UART Port (1-5)" if DEBUG_IMX6Q_UART
range 1 5
default 1
depends on SOC_IMX6Q
help
Choose UART port on which kernel low-level debug messages
should be output.
config DEBUG_LL_INCLUDE
string
default "debug/icedcc.S" if DEBUG_ICEDCC
@@ -418,8 +419,7 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX31_IMX35_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX50_IMX53_UART ||\
DEBUG_IMX6Q_UART2 || \
DEBUG_IMX6Q_UART4
DEBUG_IMX6Q_UART
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
default "debug/mvebu.S" if DEBUG_MVEBU_UART
default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART