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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>
This commit is contained in:
Anson Huang 2015-05-06 23:16:07 +08:00 committed by Shawn Guo
parent 666c884418
commit 52d7aec2b8
2 changed files with 25 additions and 3 deletions
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13
arch/arm/Kconfig.debug
View File

@ -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

15
arch/arm/include/debug/imx-uart.h
View File

@ -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 */