ARM: imx: add low-level debug support for imx6sx

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

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 00c6950..4dd565f 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -317,6 +317,13 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  on i.MX6SL.
 
+       config DEBUG_IMX6SX_UART
+               bool "i.MX6SX Debug UART"
+               depends on SOC_IMX6SX
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 on i.MX6SX.
+
        config DEBUG_KEYSTONE_UART0
                bool "Kernel low-level debugging on KEYSTONE2 using UART0"
                depends on ARCH_KEYSTONE
@@ -935,7 +942,8 @@ config DEBUG_IMX_UART_PORT
                                                DEBUG_IMX51_UART || \
                                                DEBUG_IMX53_UART || \
                                                DEBUG_IMX6Q_UART || \
-                                               DEBUG_IMX6SL_UART
+                                               DEBUG_IMX6SL_UART || \
+                                               DEBUG_IMX6SX_UART
        default 1
        depends on ARCH_MXC
        help
@@ -979,7 +987,8 @@ config DEBUG_LL_INCLUDE
                                 DEBUG_IMX51_UART || \
                                 DEBUG_IMX53_UART ||\
                                 DEBUG_IMX6Q_UART || \
-                                DEBUG_IMX6SL_UART
+                                DEBUG_IMX6SL_UART || \
+                                DEBUG_IMX6SX_UART
        default "debug/msm.S" if DEBUG_MSM_UART
        default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
        default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1

diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 42b823c..032a316 100644 (file)
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -81,6 +81,15 @@
 #define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR
 #define IMX6SL_UART_BASE(n)    IMX6SL_UART_BASE_ADDR(n)
 
+#define IMX6SX_UART1_BASE_ADDR 0x02020000
+#define IMX6SX_UART2_BASE_ADDR 0x021e8000
+#define IMX6SX_UART3_BASE_ADDR 0x021ec000
+#define IMX6SX_UART4_BASE_ADDR 0x021f0000
+#define IMX6SX_UART5_BASE_ADDR 0x021f4000
+#define IMX6SX_UART6_BASE_ADDR 0x022a0000
+#define IMX6SX_UART_BASE_ADDR(n) IMX6SX_UART##n##_BASE_ADDR
+#define IMX6SX_UART_BASE(n)    IMX6SX_UART_BASE_ADDR(n)
+
 #define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT)
 
 #ifdef CONFIG_DEBUG_IMX1_UART
@@ -103,6 +112,8 @@
 #define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6Q)
 #elif defined(CONFIG_DEBUG_IMX6SL_UART)
 #define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6SL)
+#elif defined(CONFIG_DEBUG_IMX6SX_UART)
+#define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6SX)
 #endif
 
 #endif /* __DEBUG_IMX_UART_H */