1 files changed, 22 insertions, 0 deletions

diff --git a/include/asm-sh/ec3104/serial.h b/include/asm-sh/ec3104/serial.h
new file mode 100644
index 000000000000..f8eb16312ed9
--- /dev/null
+++ b/include/asm-sh/ec3104/serial.h
@@ -0,0 +1,22 @@
+#include <asm/ec3104.h>
+/* Naturally we don't know the exact value but 115200 baud has a divisor
+ * of 9 and 19200 baud has a divisor of 52, so this seems like a good
+ * guess.  */
+#define BASE_BAUD (16800000 / 16)
+
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+
+/* there is a fourth serial port with the expected values as well, but
+ * it's got the keyboard controller behind it so we can't really use it
+ * (without moving the keyboard driver to userspace, which doesn't sound
+ * like a very good idea) */
+#define STD_SERIAL_PORT_DEFNS                   \
+        /* UART CLK   PORT IRQ     FLAGS        */                      \
+        { 0, BASE_BAUD, 0x11C00, EC3104_IRQBASE+7, STD_COM_FLAGS }, /* ttyS0 */ \
+        { 0, BASE_BAUD, 0x12000, EC3104_IRQBASE+8, STD_COM_FLAGS }, /* ttyS1 */ \
+        { 0, BASE_BAUD, 0x12400, EC3104_IRQBASE+9, STD_COM_FLAGS }, /* ttyS2 */
+
+#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
+
+/* XXX: This should be moved ino irq.h */
+#define irq_cannonicalize(x) (x)