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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 09:55:03 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:03 +0100
commit4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch)
treed240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sh/include/asm/serial.h
parent[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff)
parentkbuild: a better way to generate cscope database change (diff)
downloadlinux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz
linux-dev-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
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 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 */