linux-kernel - [PATCH 2/2] serial: Add driver for the Altera UART

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Message-Id: <1267108523-32767-2-git-send-email-tklauser@distanz.ch>
Date:	Thu, 25 Feb 2010 15:35:23 +0100
From:	Tobias Klauser <tklauser@...tanz.ch>
To:	linux-serial@...r.kernel.org
Cc:	nios2-dev@...c.et.ntust.edu.tw, linux-kernel@...r.kernel.org,
	Tobias Klauser <tklauser@...tanz.ch>
Subject: [PATCH 2/2] serial: Add driver for the Altera UART

Add an UART driver for the UART component available as a SOPC (System on
Programmable Chip) component for Altera FPGAs.

Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>
---
 drivers/serial/Kconfig      |   32 ++++++++++++++++++++++++++++++++
 drivers/serial/Makefile     |    1 +
 include/linux/serial_core.h |    1 +
 3 files changed, 34 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 34f58d0..546bd6f 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -1512,4 +1512,36 @@ config SERIAL_ALTERA_JTAGUART_CONSOLE_BYPASS
 	  Bypass console output and keep going even if there is no
 	  JTAG terminal connection with the host.
 
+config SERIAL_ALTERA_UART
+	bool "Altera UART support"
+	depends on EMBEDDED
+	select SERIAL_CORE
+	help
+	  This driver supports the Altera softcore UART port.
+
+config SERIAL_ALTERA_UART_MAXPORTS
+	int "Maximum number of Altera UART ports"
+	depends on SERIAL_ALTERA_UART
+	default 4
+	help
+	  This setting lets you define the maximum number of the Altera
+	  UART ports. The usual default varies from board to board, and
+	  this setting is a way of catering for that.
+
+config SERIAL_ALTERA_UART_BAUDRATE
+	int "Default baudrate for Altera UART ports"
+	depends on SERIAL_ALTERA_UART
+	default 115200
+	help
+	  This setting lets you define what the default baudrate is for the
+	  Altera UART ports. The usual default varies from board to board,
+	  and this setting is a way of catering for that.
+
+config SERIAL_ALTERA_UART_CONSOLE
+	bool "Altera UART console support"
+	depends on SERIAL_ALTERA_UART
+	select SERIAL_CORE_CONSOLE
+	help
+	  Enable a Altera UART port to be the system console.
+
 endmenu
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 6228b6e..39007e6 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -83,3 +83,4 @@ obj-$(CONFIG_SERIAL_QE) += ucc_uart.o
 obj-$(CONFIG_SERIAL_TIMBERDALE)	+= timbuart.o
 obj-$(CONFIG_SERIAL_GRLIB_GAISLER_APBUART) += apbuart.o
 obj-$(CONFIG_SERIAL_ALTERA_JTAGUART) += altera_jtaguart.o
+obj-$(CONFIG_SERIAL_ALTERA_UART) += altera_uart.o
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 28aa7c9..9206120 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -184,6 +184,7 @@
 
 /* Altera UARTs */
 #define PORT_ALTERA_JTAGUART	91
+#define PORT_ALTERA_UART	92
 
 #ifdef __KERNEL__
 
-- 
1.6.3.3

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