[SERIAL] Support Au1x00 8250 UARTs using the generic 8250 driver.

The offsets of the registers are in a different place, and
some parts cannot handle a full set of modem control signals.

Signed-off-by: Pantelis Antoniou <pantelis@embeddedalley.ocm>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 2b799d40d669..cee302aefdb7 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -42,6 +42,7 @@ enum {
         PLAT8250_DEV_BOCA,
         PLAT8250_DEV_HUB6,
         PLAT8250_DEV_MCA,
+        PLAT8250_DEV_AU1X00,
 };
 
 /*
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 9d2579230689..a3ac92b19aca 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -211,6 +211,7 @@ struct uart_port {
 #define UPIO_HUB6               (1)
 #define UPIO_MEM                (2)
 #define UPIO_MEM32              (3)
+#define UPIO_AU                 (4)                     /* Au1x00 type IO */
 
         unsigned int            read_status_mask;       /* driver specific */
         unsigned int            ignore_status_mask;     /* driver specific */