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ARM: imx: add debug uart support for IMX50 SoC
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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>
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Greg Ungerer authored and Shawn Guo committed Dec 9, 2013
1 parent 188652b commit ad364a7
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Showing 2 changed files with 19 additions and 0 deletions.
9 changes: 9 additions & 0 deletions arch/arm/Kconfig.debug
Original file line number Diff line number Diff line change
Expand Up @@ -255,6 +255,13 @@ choice
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
Expand Down Expand Up @@ -897,6 +904,7 @@ config DEBUG_IMX_UART_PORT
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
DEBUG_IMX50_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX53_UART || \
DEBUG_IMX6Q_UART || \
Expand Down Expand Up @@ -931,6 +939,7 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_UART || \
DEBUG_IMX35_UART || \
DEBUG_IMX50_UART || \
DEBUG_IMX51_UART || \
DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART || \
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10 changes: 10 additions & 0 deletions arch/arm/include/debug/imx-uart.h
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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)
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