ARM: imx: add low-level debug support for i.mx6ul

Enable low-level debug support for i.MX6UL by adding the
debug port definitions for the SoC.

Singed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f1b1579..f21daa8 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -411,6 +411,13 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  on i.MX6SX.
 
+       config DEBUG_IMX6UL_UART
+               bool "i.MX6UL Debug UART"
+               depends on SOC_IMX6UL
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 on i.MX6UL.
+
        config DEBUG_IMX7D_UART
                bool "i.MX7D Debug UART"
                depends on SOC_IMX7D
@@ -1269,6 +1276,7 @@ config DEBUG_IMX_UART_PORT
                                                DEBUG_IMX6Q_UART || \
                                                DEBUG_IMX6SL_UART || \
                                                DEBUG_IMX6SX_UART || \
+                                               DEBUG_IMX6UL_UART || \
                                                DEBUG_IMX7D_UART
        default 1
        depends on ARCH_MXC
@@ -1320,6 +1328,7 @@ config DEBUG_LL_INCLUDE
                                 DEBUG_IMX6Q_UART || \
                                 DEBUG_IMX6SL_UART || \
                                 DEBUG_IMX6SX_UART || \
+                                DEBUG_IMX6UL_UART || \
                                 DEBUG_IMX7D_UART
        default "debug/ks8695.S" if DEBUG_KS8695_UART
        default "debug/msm.S" if DEBUG_QCOM_UARTDM

diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 66f736f..bce58e9 100644 (file)
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -90,6 +90,17 @@
 #define IMX6SX_UART_BASE_ADDR(n) IMX6SX_UART##n##_BASE_ADDR
 #define IMX6SX_UART_BASE(n)    IMX6SX_UART_BASE_ADDR(n)
 
+#define IMX6UL_UART1_BASE_ADDR 0x02020000
+#define IMX6UL_UART2_BASE_ADDR 0x021e8000
+#define IMX6UL_UART3_BASE_ADDR 0x021ec000
+#define IMX6UL_UART4_BASE_ADDR 0x021f0000
+#define IMX6UL_UART5_BASE_ADDR 0x021f4000
+#define IMX6UL_UART6_BASE_ADDR 0x021fc000
+#define IMX6UL_UART7_BASE_ADDR 0x02018000
+#define IMX6UL_UART8_BASE_ADDR 0x02024000
+#define IMX6UL_UART_BASE_ADDR(n) IMX6UL_UART##n##_BASE_ADDR
+#define IMX6UL_UART_BASE(n)    IMX6UL_UART_BASE_ADDR(n)
+
 #define IMX7D_UART1_BASE_ADDR  0x30860000
 #define IMX7D_UART2_BASE_ADDR  0x30890000
 #define IMX7D_UART3_BASE_ADDR  0x30880000
@@ -124,6 +135,8 @@
 #define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6SL)
 #elif defined(CONFIG_DEBUG_IMX6SX_UART)
 #define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6SX)
+#elif defined(CONFIG_DEBUG_IMX6UL_UART)
+#define UART_PADDR     IMX_DEBUG_UART_BASE(IMX6UL)
 #elif defined(CONFIG_DEBUG_IMX7D_UART)
 #define UART_PADDR     IMX_DEBUG_UART_BASE(IMX7D)