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authorAnson Huang <b20788@freescale.com>2015-05-06 18:16:07 +0300
committerShawn Guo <shawn.guo@linaro.org>2015-06-03 09:49:35 +0300
commit52d7aec2b8831deae7c0010ed24664d3544e0098 (patch)
tree0ece1cf21697963630cebbcd42dcd11c8d065adb /arch
parent666c884418f7b314b3ddf3214ec0ad0aadf81c84 (diff)
downloadlinux-52d7aec2b8831deae7c0010ed24664d3544e0098.tar.xz
ARM: imx7d: add low level debug uart support
Add low level uart debug support for imx7d Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Bai Ping <b51503@freescale.com> Signed-off-by: Anson Huang <b20788@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig.debug13
-rw-r--r--arch/arm/include/debug/imx-uart.h15
2 files changed, 25 insertions, 3 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 0c12ffb155a2..fe5e1cbda811 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -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
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 032a316eb802..66f736f74684 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -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 */