msm: make debugging UART (for DEBUG_LL) configurable

Provides options to select one of the three "lowspeed" UARTs
on MSM7k SoCs for DEBUG_LL output from the zImage decompressor
and kernel.

Signed-off-by: Brian Swetland <swetland@google.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index d140abca690a..35f2a90a2afe 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -3,6 +3,30 @@ if ARCH_MSM
 comment "MSM Board Type"
         depends on ARCH_MSM
 
+config MSM_DEBUG_UART
+        int
+        default 1 if MSM_DEBUG_UART1
+        default 2 if MSM_DEBUG_UART2
+        default 3 if MSM_DEBUG_UART3
+
+choice
+        prompt "Debug UART"
+
+        default MSM_DEBUG_UART_NONE
+
+        config MSM_DEBUG_UART_NONE
+                bool "None"
+
+        config MSM_DEBUG_UART1
+                bool "UART1"
+
+        config MSM_DEBUG_UART2
+                bool "UART2"
+
+        config MSM_DEBUG_UART3
+                bool "UART3"
+endchoice
+
 config MACH_HALIBUT
         depends on ARCH_MSM
         default y