+diff -Nru linux-2.6.19.2/include/linux/serialP.h linux-ar7/include/linux/serialP.h
+--- linux-2.6.19.2/include/linux/serialP.h 2007-01-17 01:24:01.000000000 +0700
++++ linux-ar7/include/linux/serialP.h 2007-03-22 22:36:48.000000000 +0700
+@@ -135,6 +135,9 @@
+ * the interrupt line _up_ instead of down, so if we register the IRQ
+ * while the UART is in that state, we die in an IRQ storm. */
+ #define ALPHA_KLUDGE_MCR (UART_MCR_OUT2)
++#elif defined(CONFIG_AR7)
++/* This is how it is set up by bootloader... */
++#define ALPHA_KLUDGE_MCR (UART_MCR_OUT2 | UART_MCR_OUT1 | UART_MCR_RTS | UART_MCR_DTR)
+ #else
+ #define ALPHA_KLUDGE_MCR 0
+ #endif
+diff -Nru linux-2.6.19.2/include/linux/serial_core.h linux-ar7/include/linux/serial_core.h
+--- linux-2.6.19.2/include/linux/serial_core.h 2007-01-11 02:10:37.000000000 +0700
++++ linux-ar7/include/linux/serial_core.h 2007-03-22 22:50:13.000000000 +0700
+@@ -39,7 +39,8 @@
+ #define PORT_RSA 13
+ #define PORT_NS16550A 14
+ #define PORT_XSCALE 15
+-#define PORT_MAX_8250 15 /* max port ID */
++#define PORT_AR7 16
++#define PORT_MAX_8250 16 /* max port ID */
+
+ /*
+ * ARM specific type numbers. These are not currently guaranteed