patch-2.4.10 linux/include/asm-mips/mips-boards/saa9730_uart.h

• Lines: 70
• Date: Sun Sep 9 10:43:02 2001
• Orig file: v2.4.9/linux/include/asm-mips/mips-boards/saa9730_uart.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/include/asm-mips/mips-boards/saa9730_uart.h linux/include/asm-mips/mips-boards/saa9730_uart.h
@@ -0,0 +1,69 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * ########################################################################
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ * Register definitions for the UART part of the Philips SAA9730 chip.
+ *
+ */
+
+#ifndef SAA9730_UART_H
+#define SAA9730_UART_H
+
+/* The SAA9730 UART register map, as seen via the PCI bus */
+
+#define SAA9730_UART_REGS_ADDR	0x21800
+
+struct uart_saa9730_regmap {
+	volatile unsigned char Thr_Rbr;
+	volatile unsigned char Ier;
+	volatile unsigned char Iir_Fcr;
+	volatile unsigned char Lcr;
+	volatile unsigned char Mcr;
+	volatile unsigned char Lsr;
+	volatile unsigned char Msr;
+	volatile unsigned char Scr;
+	volatile unsigned char BaudDivLsb;
+	volatile unsigned char BaudDivMsb;
+	volatile unsigned char Junk0;
+	volatile unsigned char Junk1;
+	volatile unsigned int Config;		/* 0x2180c */
+	volatile unsigned int TxStart;		/* 0x21810 */
+	volatile unsigned int TxLength;		/* 0x21814 */
+	volatile unsigned int TxCounter;	/* 0x21818 */
+	volatile unsigned int RxStart;		/* 0x2181c */
+	volatile unsigned int RxLength;		/* 0x21820 */
+	volatile unsigned int RxCounter;	/* 0x21824 */
+};
+typedef volatile struct uart_saa9730_regmap t_uart_saa9730_regmap;
+
+/*
+ * Only a subset of the UART control bits are defined here,
+ * enough to make the serial debug port work.
+ */
+
+#define SAA9730_LCR_DATA8	0x03
+
+#define SAA9730_MCR_DTR		0x01
+#define SAA9730_MCR_RTS		0x02
+
+#define SAA9730_LSR_DR		0x01
+#define SAA9730_LSR_THRE	0x20
+
+#endif /* !(SAA9730_UART_H) */