ARM: mmp: implement DEBUG_LL port choice

DEBUG_LL port must be choiced in arch-mmp. DEBUG_LL port should be
UART2 in TTC DKB. And it should be UART3 in brownstone.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f15f82bf3a50..0919191b8aa5 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -224,6 +224,20 @@ choice
                   Say Y here if you want kernel low-level debugging support
                   on i.MX6Q UART4.
 
+        config DEBUG_MMP_UART2
+                bool "Kernel low-level debugging message via MMP UART2"
+                depends on ARCH_MMP
+                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
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on MMP UART3.
+
         config DEBUG_MSM_UART1
                 bool "Kernel low-level debugging messages via MSM UART1"
                 depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50