[PATCH] 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@atmel.com>
Acked-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index ba19ab5..b0d5026 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -301,31 +301,31 @@
config SERIAL_ATMEL
bool "AT91 / AT32 on-chip serial port support"
- depends on ARM && (ARCH_AT91RM9200 || ARCH_AT91SAM9261)
+ depends on (ARM && ARCH_AT91) || AVR32
select SERIAL_CORE
help
This enables the driver for the on-chip UARTs of the Atmel
- AT91RM9200 and AT91SAM926 processor.
+ AT91 and AT32 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 an on-chip UART on a Atmel
+ AT91 or AT32 processor 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 34212df..61db216 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -39,8 +39,10 @@
#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 @@
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 @@
at91_set_gpio_value(AT91_PIN_PA21, 1);
}
}
+#endif
if (mctrl & TIOCM_RTS)
control |= ATMEL_US_RTSEN;