summaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/serial.h
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-07-29 08:09:44 +0900
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/serial.h
parent25326277d8d1393d1c66240e6255aca780f9e3eb (diff)
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/serial.h')
-rw-r--r--arch/sh/include/asm/serial.h36
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 00000000000..e13cc948ee6
--- /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 */