linux-kernel - [PATCH 2/4] atmel_serial: Support AVR32

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Date:	Thu, 28 Sep 2006 15:31:40 +0200
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	Andrew Victor <andrew@...people.com>
Cc:	Russell King <rmk+lkml@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Haavard Skinnemoen <hskinnemoen@...el.com>
Subject: [PATCH 2/4] atmel_serial: Support AVR32

Make CONFIG_SERIAL_ATMEL selectable on AVR32 and #ifdef out some ARM-
specific code in the driver.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@...el.com>
---
 drivers/serial/Kconfig        |   24 ++++++++++++------------
 drivers/serial/atmel_serial.c |    4 ++++
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 4f962de..7eff74a 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -301,31 +301,31 @@ config SERIAL_AMBA_PL011_CONSOLE
 
 config SERIAL_ATMEL
 	bool "AT91 / AT32 on-chip serial port support"
-	depends on ARM && (ARCH_AT91RM9200 || ARCH_AT91SAM9261)
+	depends on ARM && (ARCH_AT91RM9200 || ARCH_AT91SAM9261) || AVR32
 	select SERIAL_CORE
 	help
 	  This enables the driver for the on-chip UARTs of the Atmel
-	  AT91RM9200 and AT91SAM926 processor.
+	  AT91RM9200, AT91SAM926 and AT32AP7000 processors.
 
 config SERIAL_ATMEL_CONSOLE
 	bool "Support for console on AT91 / AT32 serial port"
 	depends on SERIAL_ATMEL=y
 	select SERIAL_CORE_CONSOLE
 	help
-	  Say Y here if you wish to use a UART on the Atmel AT91RM9200 or
-	  AT91SAM9261 as the system console (the system console is the device
-	  which receives all kernel messages and warnings and which allows
-	  logins in single user mode).
+	  Say Y here if you wish to use a UART on the Atmel AT91RM9200,
+	  AT91SAM9261 or AT32AP7000 as the system console (the system
+	  console is the device which receives all kernel messages and
+	  warnings and which allows logins in single user mode).
 
 config SERIAL_ATMEL_TTYAT
-	bool "Install as device ttyAT0-4 instead of ttyS0-4"
+	bool "Install as device ttyATn instead of ttySn"
 	depends on SERIAL_ATMEL=y
 	help
-	  Say Y here if you wish to have the five internal AT91RM9200 UARTs
-	  appear as /dev/ttyAT0-4 (major 204, minor 154-158) instead of the
-	  normal /dev/ttyS0-4 (major 4, minor 64-68). This is necessary if
-	  you also want other UARTs, such as external 8250/16C550 compatible
-	  UARTs.
+	  Say Y here if you wish to have the internal AT91 / AT32 UARTs
+	  appear as /dev/ttyATn (major 204, minor starting at 154)
+	  instead of the normal /dev/ttySn (major 4, minor starting at
+	  64). This is necessary if you also want other UARTs, such as
+	  external 8250/16C550 compatible UARTs.
 	  The ttySn nodes are legally reserved for the 8250 serial driver
 	  but are often misused by other serial drivers.
 
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 8fff85c..6f1f4ea 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -39,8 +39,10 @@ #include <asm/io.h>
 #include <asm/arch/at91rm9200_pdc.h>
 #include <asm/mach/serial_at91.h>
 #include <asm/arch/board.h>
+#ifdef CONFIG_ARM
 #include <asm/arch/system.h>
 #include <asm/arch/gpio.h>
+#endif
 
 #include "atmel_serial.h"
 
@@ -135,6 +137,7 @@ static void atmel_set_mctrl(struct uart_
 	unsigned int control = 0;
 	unsigned int mode;
 
+#ifdef CONFIG_ARM
 	if (arch_identify() == ARCH_ID_AT91RM9200) {
 		/*
 		 * AT91RM9200 Errata #39: RTS0 is not internally connected to PA21.
@@ -147,6 +150,7 @@ static void atmel_set_mctrl(struct uart_
 				at91_set_gpio_value(AT91_PIN_PA21, 1);
 		}
 	}
+#endif
 
 	if (mctrl & TIOCM_RTS)
 		control |= ATMEL_US_RTSEN;
-- 
1.4.1.1

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