ARM: imx: add debug uart support for IMX50 SoC
Add appropriate UART address definitions and support defines for using the
UARTs of the Freescale IMX50 SoC as debug ports.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5765abf..df56c7e6 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -255,6 +255,13 @@
Say Y here if you want kernel low-level debugging support
on i.MX35.
+ config DEBUG_IMX50_UART
+ bool "i.MX50 Debug UART"
+ depends on SOC_IMX50
+ help
+ Say Y here if you want kernel low-level debugging support
+ on i.MX50.
+
config DEBUG_IMX51_UART
bool "i.MX51 Debug UART"
depends on SOC_IMX51
@@ -897,6 +904,7 @@
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
+ DEBUG_IMX50_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX53_UART || \
DEBUG_IMX6Q_UART || \
@@ -931,6 +939,7 @@
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
+ DEBUG_IMX50_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART || \
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 29da84e..42b823c 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -43,6 +43,14 @@
#define IMX35_UART_BASE_ADDR(n) IMX35_UART##n##_BASE_ADDR
#define IMX35_UART_BASE(n) IMX35_UART_BASE_ADDR(n)
+#define IMX50_UART1_BASE_ADDR 0x53fbc000
+#define IMX50_UART2_BASE_ADDR 0x53fc0000
+#define IMX50_UART3_BASE_ADDR 0x5000c000
+#define IMX50_UART4_BASE_ADDR 0x53ff0000
+#define IMX50_UART5_BASE_ADDR 0x63f90000
+#define IMX50_UART_BASE_ADDR(n) IMX50_UART##n##_BASE_ADDR
+#define IMX50_UART_BASE(n) IMX50_UART_BASE_ADDR(n)
+
#define IMX51_UART1_BASE_ADDR 0x73fbc000
#define IMX51_UART2_BASE_ADDR 0x73fc0000
#define IMX51_UART3_BASE_ADDR 0x7000c000
@@ -85,6 +93,8 @@
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX31)
#elif defined(CONFIG_DEBUG_IMX35_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX35)
+#elif defined(CONFIG_DEBUG_IMX50_UART)
+#define UART_PADDR IMX_DEBUG_UART_BASE(IMX50)
#elif defined(CONFIG_DEBUG_IMX51_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX51)
#elif defined(CONFIG_DEBUG_IMX53_UART)