Initial commit of the prom interface code for VLSI RC7500 motherboards.
This commit is contained in:
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97c857ef9c
101
sys/arch/arm32/dev/rc7500_prom.c
Normal file
101
sys/arch/arm32/dev/rc7500_prom.c
Normal file
@ -0,0 +1,101 @@
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/* $NetBSD: rc7500_prom.c,v 1.1 1996/08/29 22:35:41 mark Exp $ */
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/*
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* Copyright (c) 1992, 1994, 1995 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
|
||||
* documentation is hereby granted, provided that both the copyright
|
||||
* notice and this permission notice appear in all copies of the
|
||||
* software, derivative works or modified versions, and any portions
|
||||
* thereof, and that both notices appear in supporting documentation.
|
||||
*
|
||||
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
||||
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
||||
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
||||
*
|
||||
* Carnegie Mellon requests users of this software to return to
|
||||
*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
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* School of Computer Science
|
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
|
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* the rights to redistribute these changes.
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*/
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#include <sys/param.h>
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#include <arm32/dev/rc7500_prom.h>
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#include <dev/cons.h>
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/* XXX this is to fake out the console routines, while booting. */
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void promcnputc __P((dev_t, int));
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int promcngetc __P((dev_t));
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struct consdev promcons = { NULL, NULL, promcngetc, promcnputc,
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nullcnpollc, makedev(23,0), 1 };
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void
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init_prom_interface()
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{
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/* XXX fake out the console routines, for now */
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cn_tab = &promcons;
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}
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/*
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* promcnputc:
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*
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* Remap char before passing off to prom.
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*
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* Prom only takes 32 bit addresses. Copy char somewhere prom can
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* find it. This routine will stop working after pmap_rid_of_console
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* is called in alpha_init. This is due to the hard coded address
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* of the console area.
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*/
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void
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promcnputc(dev, c)
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dev_t dev;
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int c;
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{
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prom_putchar(c);
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}
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/*
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* promcngetc:
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*
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* Wait for the prom to get a real char and pass it back.
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*/
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int
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promcngetc(dev)
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dev_t dev;
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{
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int ret;
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for (;;) {
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ret = prom_getchar();
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if (ret != -1)
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return(ret);
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}
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}
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/*
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* promcnlookc:
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*
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* See if prom has a real char and pass it back.
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*/
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int
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promcnlookc(dev, cp)
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dev_t dev;
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char *cp;
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{
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int ret;
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ret = prom_getchar();
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if (ret != -1) {
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*cp = ret;
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return 1;
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} else
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return 0;
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}
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81
sys/arch/arm32/dev/rc7500_prom.h
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81
sys/arch/arm32/dev/rc7500_prom.h
Normal file
@ -0,0 +1,81 @@
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/* $NetBSD: rc7500_prom.h,v 1.1 1996/08/29 22:35:45 mark Exp $ */
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/*
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* Copyright (c) 1996, Danny C Tsen.
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* Copyright (c) 1996, VLSI Technology Inc. All Rights Reserved.
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* Copyright (c) 1995 Michael L. Hitch
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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||||
* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
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* This product includes software developed by Michael L. Hitch.
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* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
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||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PROM_H_
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#define _PROM_H_
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#ifndef _LOCORE
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/*
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* This is the data returned in PROM_GETENV.
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*/
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struct prom_id {
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u_int ramsize;
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u_int physmem_start;
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u_int physmem_end;
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u_int video_start;
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u_int video_size;
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u_int display_width;
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u_int display_height;
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u_int tlb; /* translation table base */
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u_int tlbsize;
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u_int ksize; /* kernel size */
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u_int kstart; /* kernel start address */
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char bootdev[32];
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char bootfile[32];
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char bootargs[32];
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u_int bootdevnum;
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};
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#endif /* _LOCORE */
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#define PROM_REBOOT 0x06
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#define PROM_GETENV 0x07
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#define PROM_PUTCHAR 0x08
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#define PROM_PUTS 0x09
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#define PROM_GETCHAR 0x0A
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#define PROM_OPEN 0x0B
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#define PROM_CLOSE 0x0C
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#define PROM_READ 0x0D
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#ifndef _LOCORE
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extern int prom_putchar(int c);
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extern void prom_puts(char *s);
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extern int prom_getchar(void);
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extern char *prom_getenv(void);
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extern int prom_open(char *dev_name, u_int devnum);
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extern int prom_close(int dev);
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extern int prom_read(int dev, char *io);
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extern void prom_reboot(void);
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#endif /* _LOCORE */
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#endif /* _PROM_H_ */
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81
sys/arch/arm32/dev/rc7500_promsys.s
Normal file
81
sys/arch/arm32/dev/rc7500_promsys.s
Normal file
@ -0,0 +1,81 @@
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/* $NetBSD: rc7500_promsys.s,v 1.1 1996/08/29 22:35:46 mark Exp $ */
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/*
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* Copyright (c) 1996, Danny C Tsen.
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* Copyright (c) 1996, VLSI Technology Inc. All Rights Reserved.
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* Copyright (c) 1995 Michael L. Hitch
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* All rights reserved.
|
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Michael L. Hitch.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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sp .req r13
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lr .req r14
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pc .req r15
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ENTRY(prom_reboot)
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stmdb sp!, {lr}
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SWI 0x06
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ldmia sp!, {pc}
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ENTRY(prom_getenv)
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stmdb sp!, {lr}
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SWI 0x07
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ldmia sp!, {pc}
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ENTRY(prom_putchar)
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stmdb sp!, {lr}
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SWI 0x08
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ldmia sp!, {pc}
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ENTRY(prom_puts)
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stmdb sp!, {r0, lr}
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SWI 0x09
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ldmia sp!, {r0, pc}
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ENTRY(prom_getchar)
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stmdb sp!, {lr}
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SWI 0x0A
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ldmia sp!, {pc}
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ENTRY(prom_open)
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stmdb sp!, {lr}
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SWI 0x0B
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ldmia sp!, {pc}
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ENTRY(prom_close)
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stmdb sp!, {lr}
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SWI 0x0C
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ldmia sp!, {pc}
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ENTRY(prom_read)
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stmdb sp!, {lr}
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SWI 0x0D
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ldmia sp!, {pc}
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101
sys/arch/arm32/rc7500/rc7500_prom.c
Normal file
101
sys/arch/arm32/rc7500/rc7500_prom.c
Normal file
@ -0,0 +1,101 @@
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/* $NetBSD: rc7500_prom.c,v 1.1 1996/08/29 22:35:41 mark Exp $ */
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/*
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* Copyright (c) 1992, 1994, 1995 Carnegie Mellon University
|
||||
* All Rights Reserved.
|
||||
*
|
||||
* Permission to use, copy, modify and distribute this software and its
|
||||
* documentation is hereby granted, provided that both the copyright
|
||||
* notice and this permission notice appear in all copies of the
|
||||
* software, derivative works or modified versions, and any portions
|
||||
* thereof, and that both notices appear in supporting documentation.
|
||||
*
|
||||
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
|
||||
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
||||
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
||||
*
|
||||
* Carnegie Mellon requests users of this software to return to
|
||||
*
|
||||
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
||||
* School of Computer Science
|
||||
* Carnegie Mellon University
|
||||
* Pittsburgh PA 15213-3890
|
||||
*
|
||||
* any improvements or extensions that they make and grant Carnegie Mellon
|
||||
* the rights to redistribute these changes.
|
||||
*/
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||||
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#include <sys/param.h>
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#include <arm32/dev/rc7500_prom.h>
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#include <dev/cons.h>
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/* XXX this is to fake out the console routines, while booting. */
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void promcnputc __P((dev_t, int));
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int promcngetc __P((dev_t));
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struct consdev promcons = { NULL, NULL, promcngetc, promcnputc,
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nullcnpollc, makedev(23,0), 1 };
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void
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init_prom_interface()
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{
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/* XXX fake out the console routines, for now */
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cn_tab = &promcons;
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}
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/*
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* promcnputc:
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*
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* Remap char before passing off to prom.
|
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*
|
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* Prom only takes 32 bit addresses. Copy char somewhere prom can
|
||||
* find it. This routine will stop working after pmap_rid_of_console
|
||||
* is called in alpha_init. This is due to the hard coded address
|
||||
* of the console area.
|
||||
*/
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void
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promcnputc(dev, c)
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dev_t dev;
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int c;
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{
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prom_putchar(c);
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}
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/*
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* promcngetc:
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*
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* Wait for the prom to get a real char and pass it back.
|
||||
*/
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int
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promcngetc(dev)
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dev_t dev;
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{
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int ret;
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for (;;) {
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ret = prom_getchar();
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if (ret != -1)
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return(ret);
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}
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}
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/*
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* promcnlookc:
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*
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* See if prom has a real char and pass it back.
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*/
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int
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promcnlookc(dev, cp)
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dev_t dev;
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char *cp;
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{
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int ret;
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ret = prom_getchar();
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if (ret != -1) {
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*cp = ret;
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return 1;
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} else
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return 0;
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}
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81
sys/arch/arm32/rc7500/rc7500_prom.h
Normal file
81
sys/arch/arm32/rc7500/rc7500_prom.h
Normal file
@ -0,0 +1,81 @@
|
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/* $NetBSD: rc7500_prom.h,v 1.1 1996/08/29 22:35:45 mark Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1996, Danny C Tsen.
|
||||
* Copyright (c) 1996, VLSI Technology Inc. All Rights Reserved.
|
||||
* Copyright (c) 1995 Michael L. Hitch
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Michael L. Hitch.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef _PROM_H_
|
||||
#define _PROM_H_
|
||||
|
||||
#ifndef _LOCORE
|
||||
/*
|
||||
* This is the data returned in PROM_GETENV.
|
||||
*/
|
||||
struct prom_id {
|
||||
u_int ramsize;
|
||||
u_int physmem_start;
|
||||
u_int physmem_end;
|
||||
u_int video_start;
|
||||
u_int video_size;
|
||||
u_int display_width;
|
||||
u_int display_height;
|
||||
u_int tlb; /* translation table base */
|
||||
u_int tlbsize;
|
||||
u_int ksize; /* kernel size */
|
||||
u_int kstart; /* kernel start address */
|
||||
char bootdev[32];
|
||||
char bootfile[32];
|
||||
char bootargs[32];
|
||||
u_int bootdevnum;
|
||||
};
|
||||
#endif /* _LOCORE */
|
||||
|
||||
#define PROM_REBOOT 0x06
|
||||
#define PROM_GETENV 0x07
|
||||
#define PROM_PUTCHAR 0x08
|
||||
#define PROM_PUTS 0x09
|
||||
#define PROM_GETCHAR 0x0A
|
||||
#define PROM_OPEN 0x0B
|
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#define PROM_CLOSE 0x0C
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#define PROM_READ 0x0D
|
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|
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#ifndef _LOCORE
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extern int prom_putchar(int c);
|
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extern void prom_puts(char *s);
|
||||
extern int prom_getchar(void);
|
||||
extern char *prom_getenv(void);
|
||||
extern int prom_open(char *dev_name, u_int devnum);
|
||||
extern int prom_close(int dev);
|
||||
extern int prom_read(int dev, char *io);
|
||||
extern void prom_reboot(void);
|
||||
#endif /* _LOCORE */
|
||||
|
||||
#endif /* _PROM_H_ */
|
||||
81
sys/arch/arm32/rc7500/rc7500_promsys.S
Normal file
81
sys/arch/arm32/rc7500/rc7500_promsys.S
Normal file
@ -0,0 +1,81 @@
|
||||
/* $NetBSD: rc7500_promsys.S,v 1.1 1996/08/29 22:35:46 mark Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1996, Danny C Tsen.
|
||||
* Copyright (c) 1996, VLSI Technology Inc. All Rights Reserved.
|
||||
* Copyright (c) 1995 Michael L. Hitch
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Michael L. Hitch.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
|
||||
#include <machine/asm.h>
|
||||
|
||||
sp .req r13
|
||||
lr .req r14
|
||||
pc .req r15
|
||||
|
||||
ENTRY(prom_reboot)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x06
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_getenv)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x07
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_putchar)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x08
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_puts)
|
||||
stmdb sp!, {r0, lr}
|
||||
SWI 0x09
|
||||
ldmia sp!, {r0, pc}
|
||||
|
||||
ENTRY(prom_getchar)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x0A
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_open)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x0B
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_close)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x0C
|
||||
ldmia sp!, {pc}
|
||||
|
||||
ENTRY(prom_read)
|
||||
stmdb sp!, {lr}
|
||||
SWI 0x0D
|
||||
ldmia sp!, {pc}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user