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ARM: imx7d: add low level debug uart support

PATCH New Frank.Li at freescale.com 2 participants 2 messages May 6, 2015 – May 11, 2015

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Frank.Li at freescale.com

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PATCH 1/1 ARM: imx7d: add low level debug uart support

From: Anson Huang <[email protected]>

Add low level uart debug support for imx7d

Signed-off-by Frank Li <[email protected]>
Signed-off-by Bai Ping <[email protected]>
Signed-off-by Anson Huang <[email protected]>
---
 arch/arm/Kconfig.debug            | 13 +++++++++++--
 arch/arm/include/debug/imx-uart.h | 15 ++++++++++++++-
 2 files changed, 25 insertions(+), 3 deletions(-)
arch/arm/Kconfig.debug +11 -2
index 0c12ffb..fe5e1cb 100644
@@ -410,6 +410,13 @@ choice
 		  Say Y here if you want kernel low-level debugging support
 		  on i.MX6SX.
 
+	config DEBUG_IMX7D_UART
+		bool "i.MX7D Debug UART"
+		depends on SOC_IMX7D
+		help
+		  Say Y here if you want kernel low-level debugging support
+		  on i.MX7D.
+
 	config DEBUG_KEYSTONE_UART0
 		bool "Kernel low-level debugging on KEYSTONE2 using UART0"
 		depends on ARCH_KEYSTONE

@@ -1231,7 +1238,8 @@ config DEBUG_IMX_UART_PORT
 						DEBUG_IMX53_UART || \
 						DEBUG_IMX6Q_UART || \
 						DEBUG_IMX6SL_UART || \
-						DEBUG_IMX6SX_UART
+						DEBUG_IMX6SX_UART || \
+						DEBUG_IMX7D_UART
 	default 1
 	depends on ARCH_MXC
 	help

@@ -1281,7 +1289,8 @@ config DEBUG_LL_INCLUDE
 				 DEBUG_IMX53_UART ||\
 				 DEBUG_IMX6Q_UART || \
 				 DEBUG_IMX6SL_UART || \
-				 DEBUG_IMX6SX_UART
+				 DEBUG_IMX6SX_UART || \
+				 DEBUG_IMX7D_UART
 	default "debug/ks8695.S" if DEBUG_KS8695_UART
 	default "debug/msm.S" if DEBUG_QCOM_UARTDM
 	default "debug/netx.S" if DEBUG_NETX_UART
arch/arm/include/debug/imx-uart.h +14 -1
index 032a316..66f736f 100644
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012-2015 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as

@@ -90,6 +90,16 @@
 #define IMX6SX_UART_BASE_ADDR(n) IMX6SX_UART##n##_BASE_ADDR
 #define IMX6SX_UART_BASE(n)	IMX6SX_UART_BASE_ADDR(n)
 
+#define IMX7D_UART1_BASE_ADDR	0x30860000
+#define IMX7D_UART2_BASE_ADDR	0x30890000
+#define IMX7D_UART3_BASE_ADDR	0x30880000
+#define IMX7D_UART4_BASE_ADDR	0x30a60000
+#define IMX7D_UART5_BASE_ADDR	0x30a70000
+#define IMX7D_UART6_BASE_ADDR	0x30a80000
+#define IMX7D_UART7_BASE_ADDR	0x30a90000
+#define IMX7D_UART_BASE_ADDR(n) IMX7D_UART##n##_BASE_ADDR
+#define IMX7D_UART_BASE(n)	IMX7D_UART_BASE_ADDR(n)
+
 #define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT)
 
 #ifdef CONFIG_DEBUG_IMX1_UART

@@ -114,6 +124,9 @@
 #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_IMX7D_UART)
+#define UART_PADDR	IMX_DEBUG_UART_BASE(IMX7D)
+
 #endif
 
 #endif /* __DEBUG_IMX_UART_H */
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