patch-2.3.48 linux/include/asm-mips64/serial.h

• Lines: 55
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/serial.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/serial.h linux/include/asm-mips64/serial.h
@@ -0,0 +1,54 @@
+/* $Id: serial.h,v 1.3 2000/02/04 07:40:53 ralf Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1999 by Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_SERIAL_H
+#define _ASM_SERIAL_H
+
+#include <linux/config.h>
+
+#include <asm/sn/sn0/ip27.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)
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+
+/*
+ * The IOC3 serials use a 22MHz clock rate with an additional divider by 3.
+ */
+#define IOC3_BAUD (22000000 / (3*16))
+#define IOC3_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_IOC3)
+
+/* Let the compiler figure out the size.  */
+#define RS_TABLE_SIZE
+
+#ifdef CONFIG_SGI_IP27
+#define _ORIGIN_SERIAL_INIT(int, base)					\
+	{ baud_base: IOC3_BAUD, irq: int, flags: IOC3_COM_FLAGS,	\
+	  iomem_base: (u8 *) base, iomem_reg_shift: 0,			\
+	  io_type: SERIAL_IO_MEM }
+#define ORIGIN_SERIAL_PORT_DFNS						\
+	_ORIGIN_SERIAL_INIT(0, 0x9200000008620178UL),			\
+	_ORIGIN_SERIAL_INIT(0, 0x9200000008620170UL),
+
+#else
+#define ORIGIN_SERIAL_PORT_DFNS
+#endif
+
+#define SERIAL_PORT_DFNS						\
+	ORIGIN_SERIAL_PORT_DFNS
+
+#endif /* _ASM_SERIAL_H */