diff options
Diffstat (limited to 'sys/arch/mvme88k/dev/memcreg.h')
| -rw-r--r-- | sys/arch/mvme88k/dev/memcreg.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/dev/memcreg.h b/sys/arch/mvme88k/dev/memcreg.h new file mode 100644 index 00000000000..304d35b6666 --- /dev/null +++ b/sys/arch/mvme88k/dev/memcreg.h @@ -0,0 +1,60 @@ +/* $NetBSD$ */ + +/* + * Copyright (c) 1995 Theo de Raadt + * 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 Theo de Raadt + * 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. + */ + +/* + * the MEMC's registers are very similar to the MCECC chip + */ +struct memcreg { + volatile u_char memc_chipid; + volatile u_char xx0[3]; + volatile u_char memc_chiprev; + volatile u_char xx1[3]; + volatile u_char memc_memconf; +#define MEMC_MEMCONF_MSIZ 0x07 +/* +#define MEMC_MEMCONF_RTOB(x) (((x) & MEMC_MEMCONF_MSIZ) * 4*1024*1024) +*/ +#define MEMC_MEMCONF_RTOB(x) (1 << (((x) & MEMC_MEMCONF_MSIZ) + 22)) + volatile u_char xx2[3]; + volatile u_char memc_x0; + volatile u_char xx3[3]; + volatile u_char memc_x1; + volatile u_char xx4[3]; + volatile u_char memc_baseaddr; + volatile u_char xx5[3]; + volatile u_char memc_control; + volatile u_char xx6[3]; + volatile u_char memc_bclk; + volatile u_char xx7[3]; +}; + +#define MEMC_CHIPID 0x81 |