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Subject[PATCH 2/9] 8250/Kconfig: add config option CONFIG_SERIAL_8250_AMD
Add config option  CONFIG_SERIAL_8250_AMD in use of AMD carrizo.
Because carrizo's UART DMA device is an amba device, it selects
ARM_AMBA option. Anything uses amba devices must select ARM_AMBA.

Signed-off-by: Wang Hongcheng <>
drivers/tty/serial/8250/Kconfig | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 6412f14..d9717c1 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -378,3 +378,11 @@ config SERIAL_8250_MID
Selecting this option will enable handling of the extra features
present on the UART found on Intel Medfield SOC and various other
Intel platforms.
+config SERIAL_8250_AMD
+ bool "AMD carrizo serial port support"
+ depends on SERIAL_8250
+ select ARM_AMBA
+ help
+ If you have a Carrizo based board and want to use the
+ serial port, say Y to this option. If unsure, say N.

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