diff options
Diffstat (limited to 'sys/arch/mvme88k/stand/libsa/promdev.c')
| -rw-r--r-- | sys/arch/mvme88k/stand/libsa/promdev.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/sys/arch/mvme88k/stand/libsa/promdev.c b/sys/arch/mvme88k/stand/libsa/promdev.c deleted file mode 100644 index 7ba01390c31..00000000000 --- a/sys/arch/mvme88k/stand/libsa/promdev.c +++ /dev/null @@ -1,193 +0,0 @@ -/* $Id: promdev.c,v 1.1 1997/03/03 19:30:36 rahnds Exp $ */ - -/* - * Copyright (c) 1995 Gordon W. Ross - * Copyright (c) 1993 Paul Kranenburg - * 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 Paul Kranenburg. - * 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 <sys/param.h> -#include <machine/mon.h> -#include <machine/pte.h> -#include <machine/saio.h> - -#include <dvma.h> -#include <stand.h> - -struct saioreq prom_si; -static int promdev_inuse; - -static char * -prom_mapin(u_long physaddr, int length, int maptype); - -int -prom_iopen(void **devdatap) -{ - struct bootparam *bp; - struct boottab *ops; - struct devinfo *dip; - struct saioreq *si; - char *p; - int error; - - if (promdev_inuse) - return(EMFILE); - - bp = *romp->bootParam; - ops = bp->bootDevice; - dip = ops->b_devinfo; - -#ifdef DEBUG_PROM - printf("Boot device type: %s\n", ops->b_desc); -#endif - - dvma_init(); - - si = &prom_si; - bzero((caddr_t)si, sizeof(*si)); - si->si_boottab = ops; - si->si_ctlr = bp->ctlrNum; - si->si_unit = bp->unitNum; - si->si_boff = bp->partNum; - - if (si->si_ctlr > dip->d_stdcount) { - printf("Invalid controller number\n"); - return(ENXIO); - } - - if (dip->d_devbytes) { - si->si_devaddr = prom_mapin(dip->d_stdaddrs[si->si_ctlr], - dip->d_devbytes, dip->d_devtype); -#ifdef DEBUG_PROM - printf("prom_iopen: devaddr=0x%x pte=0x%x\n", - si->si_devaddr, get_pte(si->si_devaddr)); -#endif - } - - if (dip->d_dmabytes) { - si->si_dmaaddr = dvma_alloc(dip->d_dmabytes); -#ifdef DEBUG_PROM - printf("prom_iopen: dmaaddr=0x%x\n", si->si_dmaaddr); -#endif - } - - /* OK, call the PROM device open routine. */ - error = (*ops->b_open)(si); - if (error != 0) { - printf("prom_iopen: \"%s\" error=%d\n", - ops->b_desc, error); - return (ENXIO); - } -#ifdef DEBUG_PROM - printf("prom_iopen: succeeded, error=%d\n", error); -#endif - - *devdatap = si; - promdev_inuse++; - return (0); -} - -void -prom_iclose(void *devdata) -{ - struct boottab *ops; - struct devinfo *dip; - struct saioreq *si; - - if (promdev_inuse == 0) - return; - - si = devdata; - ops = si->si_boottab; - dip = ops->b_devinfo; - - (*ops->b_close)(si); - - if (si->si_dmaaddr) { - dvma_free(si->si_dmaaddr, dip->d_dmabytes); - si->si_dmaaddr = NULL; - } - - promdev_inuse = 0; -} - -struct mapinfo { - int maptype; - int pgtype; - int base; -}; - -static struct mapinfo -prom_mapinfo[] = { - { MAP_MAINMEM, PGT_OBMEM, 0 }, - { MAP_OBIO, PGT_OBIO, 0 }, - { MAP_MBMEM, PGT_OBMEM, 0 }, /* XXX - Sun2 Multibus? */ - { MAP_MBIO, PGT_OBIO, 0 }, /* XXX - Sun2 Multibus? */ - { MAP_VME16A16D, PGT_VME_D16, 0xFFFF0000 }, - { MAP_VME16A32D, PGT_VME_D32, 0xFFFF0000 }, - { MAP_VME24A16D, PGT_VME_D16, 0xFF000000 }, - { MAP_VME24A32D, PGT_VME_D32, 0xFF000000 }, - { MAP_VME32A16D, PGT_VME_D16, 0 }, - { MAP_VME32A32D, PGT_VME_D32, 0 }, -}; -static prom_mapinfo_cnt = sizeof(prom_mapinfo) / sizeof(prom_mapinfo[0]); - -/* The virtual address we will use for PROM device mappings. */ -static int prom_devmap = MONSHORTSEG; - -static char * -prom_mapin(physaddr, length, maptype) - u_long physaddr; - int length, maptype; -{ - int i, pa, pte, va; - - if (length > (4*NBPG)) - panic("prom_mapin: length=%d\n", length); - - for (i = 0; i < prom_mapinfo_cnt; i++) - if (prom_mapinfo[i].maptype == maptype) - goto found; - panic("prom_mapin: invalid maptype %d\n", maptype); -found: - - pte = prom_mapinfo[i].pgtype; - pte |= PG_PERM; - pa = prom_mapinfo[i].base; - pa += physaddr; - pte |= PA_PGNUM(pa); - - va = prom_devmap; - do { - set_pte(va, pte); - va += NBPG; - pte += 1; - length -= NBPG; - } while (length > 0); - return ((char*)prom_devmap); -} |