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Diffstat (limited to 'libgloss/pa/w89k.h')
-rw-r--r-- | libgloss/pa/w89k.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libgloss/pa/w89k.h b/libgloss/pa/w89k.h new file mode 100644 index 000000000..9e16e9139 --- /dev/null +++ b/libgloss/pa/w89k.h @@ -0,0 +1,25 @@ +/* Copyright (c) 1995 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + * + * The w89k uses a memory mapped I/O scheme as well as a PC style ISA bus. + * All I/O accesses are via a port. + */ +#define IOSPACE 0xf0000000 +#define outp(port,val) *((volatile unsigned char*)(IOSPACE+port))=val +#define inp(port) *((volatile unsigned char*)(IOSPACE+port)) +#define RS232PORT 0x3f8 +#define COM1_LSR (0x3f8 + 5) +#define COM1_DATA (0x3f8 + 0) + +#define RS232REG 0x3fd +#define TRANSMIT 0x20 +#define RECEIVE 0x01 |