aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sh/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sh/serial.h')
-rw-r--r--include/asm-sh/serial.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-sh/serial.h b/include/asm-sh/serial.h
new file mode 100644
index 000000000000..5474dbdbaa86
--- /dev/null
+++ b/include/asm-sh/serial.h
@@ -0,0 +1,48 @@
+/*
+ * include/asm-sh/serial.h
+ *
+ * Configuration details for 8250, 16450, 16550, etc. serial ports
+ */
+
+#ifndef _ASM_SERIAL_H
+#define _ASM_SERIAL_H
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+
+#ifdef CONFIG_SH_EC3104
+#include <asm/serial-ec3104.h>
+#elif defined (CONFIG_SH_BIGSUR)
+#include <asm/serial-bigsur.h>
+#else
+/*
+ * 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.h>
+
+#define STD_SERIAL_PORT_DEFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x3F8, HD64465_IRQ_UART, STD_COM_FLAGS } /* ttyS0 */
+
+#else
+
+#define STD_SERIAL_PORT_DEFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
+ { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS } /* ttyS1 */
+
+#endif
+
+#define SERIAL_PORT_DFNS STD_SERIAL_PORT_DEFNS
+
+#endif
+#endif /* _ASM_SERIAL_H */