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-rw-r--r--arch/arm/Kconfig.debug26
-rw-r--r--arch/arm/include/debug/imx.S20
-rw-r--r--arch/arm/mach-imx/lluart.c28
-rw-r--r--arch/arm/mach-imx/mx6q.h4
4 files changed, 47 insertions, 31 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5566520686a5..5dc7109dffc6 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -209,20 +209,12 @@ choice
Say Y here if you want kernel low-level debugging support
on i.MX50 or i.MX53.
- config DEBUG_IMX6Q_UART2
- bool "i.MX6Q Debug UART2"
+ config DEBUG_IMX6Q_UART
+ bool "i.MX6Q Debug UART"
depends on SOC_IMX6Q
help
Say Y here if you want kernel low-level debugging support
- on i.MX6Q UART2. This is correct for e.g. the SabreLite
- board.
-
- config DEBUG_IMX6Q_UART4
- bool "i.MX6Q Debug UART4"
- depends on SOC_IMX6Q
- help
- Say Y here if you want kernel low-level debugging support
- on i.MX6Q UART4.
+ on i.MX6Q.
config DEBUG_MMP_UART2
bool "Kernel low-level debugging message via MMP UART2"
@@ -409,6 +401,15 @@ choice
endchoice
+config DEBUG_IMX6Q_UART_PORT
+ int "i.MX6Q Debug UART Port (1-5)" if DEBUG_IMX6Q_UART
+ range 1 5
+ default 1
+ depends on SOC_IMX6Q
+ help
+ Choose UART port on which kernel low-level debug messages
+ should be output.
+
config DEBUG_LL_INCLUDE
string
default "debug/icedcc.S" if DEBUG_ICEDCC
@@ -418,8 +419,7 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX31_IMX35_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX50_IMX53_UART ||\
- DEBUG_IMX6Q_UART2 || \
- DEBUG_IMX6Q_UART4
+ DEBUG_IMX6Q_UART
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
default "debug/mvebu.S" if DEBUG_MVEBU_UART
default "debug/picoxcell.S" if DEBUG_PICOXCELL_UART
diff --git a/arch/arm/include/debug/imx.S b/arch/arm/include/debug/imx.S
index 0b65d792f664..0c4e17d4d359 100644
--- a/arch/arm/include/debug/imx.S
+++ b/arch/arm/include/debug/imx.S
@@ -10,6 +10,20 @@
* published by the Free Software Foundation.
*
*/
+#define IMX6Q_UART1_BASE_ADDR 0x02020000
+#define IMX6Q_UART2_BASE_ADDR 0x021e8000
+#define IMX6Q_UART3_BASE_ADDR 0x021ec000
+#define IMX6Q_UART4_BASE_ADDR 0x021f0000
+#define IMX6Q_UART5_BASE_ADDR 0x021f4000
+
+/*
+ * IMX6Q_UART_BASE_ADDR is put in the middle to force the expansion
+ * of IMX6Q_UART##n##_BASE_ADDR.
+ */
+#define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
+#define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n)
+#define IMX6Q_DEBUG_UART_BASE IMX6Q_UART_BASE(CONFIG_DEBUG_IMX6Q_UART_PORT)
+
#ifdef CONFIG_DEBUG_IMX1_UART
#define UART_PADDR 0x00206000
#elif defined (CONFIG_DEBUG_IMX25_UART)
@@ -22,10 +36,8 @@
#define UART_PADDR 0x73fbc000
#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
#define UART_PADDR 0x53fbc000
-#elif defined (CONFIG_DEBUG_IMX6Q_UART2)
-#define UART_PADDR 0x021e8000
-#elif defined (CONFIG_DEBUG_IMX6Q_UART4)
-#define UART_PADDR 0x021f0000
+#elif defined (CONFIG_DEBUG_IMX6Q_UART)
+#define UART_PADDR IMX6Q_DEBUG_UART_BASE
#endif
/*
diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c
index 5f1510363ee7..2fdc9bf2fb5e 100644
--- a/arch/arm/mach-imx/lluart.c
+++ b/arch/arm/mach-imx/lluart.c
@@ -17,17 +17,25 @@
#include "hardware.h"
+#define IMX6Q_UART1_BASE_ADDR 0x02020000
+#define IMX6Q_UART2_BASE_ADDR 0x021e8000
+#define IMX6Q_UART3_BASE_ADDR 0x021ec000
+#define IMX6Q_UART4_BASE_ADDR 0x021f0000
+#define IMX6Q_UART5_BASE_ADDR 0x021f4000
+
+/*
+ * IMX6Q_UART_BASE_ADDR is put in the middle to force the expansion
+ * of IMX6Q_UART##n##_BASE_ADDR.
+ */
+#define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
+#define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n)
+#define IMX6Q_DEBUG_UART_BASE IMX6Q_UART_BASE(CONFIG_DEBUG_IMX6Q_UART_PORT)
+
static struct map_desc imx_lluart_desc = {
-#ifdef CONFIG_DEBUG_IMX6Q_UART2
- .virtual = MX6Q_IO_P2V(MX6Q_UART2_BASE_ADDR),
- .pfn = __phys_to_pfn(MX6Q_UART2_BASE_ADDR),
- .length = MX6Q_UART2_SIZE,
- .type = MT_DEVICE,
-#endif
-#ifdef CONFIG_DEBUG_IMX6Q_UART4
- .virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR),
- .pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR),
- .length = MX6Q_UART4_SIZE,
+#ifdef CONFIG_DEBUG_IMX6Q_UART
+ .virtual = IMX_IO_P2V(IMX6Q_DEBUG_UART_BASE),
+ .pfn = __phys_to_pfn(IMX6Q_DEBUG_UART_BASE),
+ .length = 0x4000,
.type = MT_DEVICE,
#endif
};
diff --git a/arch/arm/mach-imx/mx6q.h b/arch/arm/mach-imx/mx6q.h
index f7e7dbac8f4b..19d3f54db5af 100644
--- a/arch/arm/mach-imx/mx6q.h
+++ b/arch/arm/mach-imx/mx6q.h
@@ -27,9 +27,5 @@
#define MX6Q_CCM_SIZE 0x4000
#define MX6Q_ANATOP_BASE_ADDR 0x020c8000
#define MX6Q_ANATOP_SIZE 0x1000
-#define MX6Q_UART2_BASE_ADDR 0x021e8000
-#define MX6Q_UART2_SIZE 0x4000
-#define MX6Q_UART4_BASE_ADDR 0x021f0000
-#define MX6Q_UART4_SIZE 0x4000
#endif /* __MACH_MX6Q_H__ */
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