1 files changed, 36 insertions, 0 deletions

diff --git a/arch/sh/include/asm/serial.h b/arch/sh/include/asm/serial.h
new file mode 100644
index 000000000000..e13cc948ee60
--- /dev/null
+++ b/arch/sh/include/asm/serial.h
@@ -0,0 +1,36 @@
+/*
+ * include/asm-sh/serial.h
+ *
+ * Configuration details for 8250, 16450, 16550, etc. serial ports
+ */
+
+#ifndef _ASM_SERIAL_H
+#define _ASM_SERIAL_H
+
+#include <linux/kernel.h>
+
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ *
+ * It'd be nice if someone built a serial card with a 24.576 MHz
+ * clock, since the 16550A is capable of handling a top speed of 1.5
+ * megabits/second; but this requires the faster clock.
+ */
+#define BASE_BAUD ( 1843200 / 16 )
+
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+
+#ifdef CONFIG_HD64465
+#include <asm/hd64465/hd64465.h>
+
+#define SERIAL_PORT_DFNS                   \
+        /* UART CLK   PORT IRQ     FLAGS        */                      \
+        { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS }  /* ttyS0 */
+
+#else
+
+#define SERIAL_PORT_DFNS
+
+#endif
+
+#endif /* _ASM_SERIAL_H */