ARM: imx: enable low-level debug support for imx6sl

Enable low-level debug support for i.MX6 SoloLite by adding the debug
port definitions for the SoC.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

2 files changed, 21 insertions, 2 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1d41908d5cda..29f7623553c1 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -251,6 +251,13 @@ choice
                   Say Y here if you want kernel low-level debugging support
                   on i.MX6Q/DL.
 
+        config DEBUG_IMX6SL_UART
+                bool "i.MX6SL Debug UART"
+                depends on SOC_IMX6SL
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX6SL.
+
         config DEBUG_MMP_UART2
                 bool "Kernel low-level debugging message via MMP UART2"
                 depends on ARCH_MMP
@@ -532,7 +539,8 @@ config DEBUG_IMX_UART_PORT
                                                 DEBUG_IMX35_UART || \
                                                 DEBUG_IMX51_UART || \
                                                 DEBUG_IMX53_UART || \
-                                                DEBUG_IMX6Q_UART
+                                                DEBUG_IMX6Q_UART || \
+                                                DEBUG_IMX6SL_UART
         default 1
         depends on ARCH_MXC
         help
@@ -631,7 +639,8 @@ config DEBUG_LL_INCLUDE
                                  DEBUG_IMX35_UART || \
                                  DEBUG_IMX51_UART || \
                                  DEBUG_IMX53_UART ||\
-                                 DEBUG_IMX6Q_UART
+                                 DEBUG_IMX6Q_UART || \
+                                 DEBUG_IMX6SL_UART
         default "debug/mvebu.S" if DEBUG_MVEBU_UART
         default "debug/mxs.S" if DEBUG_IMX23_UART || DEBUG_IMX28_UART
         default "debug/nomadik.S" if DEBUG_NOMADIK_UART
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 91d38e38a0b4..29da84e183f4 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -65,6 +65,14 @@
 #define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
 #define IMX6Q_UART_BASE(n)      IMX6Q_UART_BASE_ADDR(n)
 
+#define IMX6SL_UART1_BASE_ADDR  0x02020000
+#define IMX6SL_UART2_BASE_ADDR  0x02024000
+#define IMX6SL_UART3_BASE_ADDR  0x02034000
+#define IMX6SL_UART4_BASE_ADDR  0x02038000
+#define IMX6SL_UART5_BASE_ADDR  0x02018000
+#define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR
+#define IMX6SL_UART_BASE(n)     IMX6SL_UART_BASE_ADDR(n)
+
 #define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT)
 
 #ifdef CONFIG_DEBUG_IMX1_UART
@@ -83,6 +91,8 @@
 #define UART_PADDR      IMX_DEBUG_UART_BASE(IMX53)
 #elif defined(CONFIG_DEBUG_IMX6Q_UART)
 #define UART_PADDR      IMX_DEBUG_UART_BASE(IMX6Q)
+#elif defined(CONFIG_DEBUG_IMX6SL_UART)
+#define UART_PADDR      IMX_DEBUG_UART_BASE(IMX6SL)
 #endif
 
 #endif /* __DEBUG_IMX_UART_H */