diff options
Diffstat (limited to 'arch/mips/sni/pcimt_scache.c')
| -rw-r--r-- | arch/mips/sni/pcimt_scache.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/arch/mips/sni/pcimt_scache.c b/arch/mips/sni/pcimt_scache.c index feec16967..55c96b939 100644 --- a/arch/mips/sni/pcimt_scache.c +++ b/arch/mips/sni/pcimt_scache.c @@ -1,35 +1,38 @@ -/* +/* $Id: pcimt_scache.c,v 1.3 1998/08/25 09:14:51 ralf Exp $ + * * arch/mips/sni/pcimt_scache.c * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 1997 by Ralf Baechle - * - * $Id: pcimt_scache.c,v 1.2 1998/05/28 03:18:02 ralf Exp $ + * Copyright (c) 1997, 1998 by Ralf Baechle */ #include <linux/init.h> #include <linux/kernel.h> #include <asm/bcache.h> #include <asm/sni.h> +#define cacheconf (*(volatile unsigned int *)PCIMT_CACHECONF) +#define invspace (*(volatile unsigned int *)PCIMT_INVSPACE) + __initfunc(void sni_pcimt_sc_init(void)) { - unsigned int cacheconf, sc_size; + unsigned int scsiz, sc_size; - cacheconf = *(volatile unsigned int *)PCIMT_CACHECONF; - if ((cacheconf & 7) == 0) { - printk("No second level cache detected\n"); - printk("WARNING: not activating second level cache, " - "tell ralf@gnu.org\n"); + scsiz = cacheconf & 7; + if (scsiz == 0) { + printk("Second level cache is deactived.\n"); return; } - if ((cacheconf & 7) >= 6) { - printk("Invalid second level cache size detected\n"); + if (scsiz >= 6) { + printk("Invalid second level cache size configured, " + "deactivating second level cache.\n"); + cacheconf = 0; return; } - - sc_size = 128 << (cacheconf & 7); - printk("%dkb second level cache detected.\n", sc_size); + + sc_size = 128 << scsiz; + printk("%dkb second level cache detected, deactivating.\n", sc_size); + cacheconf = 0; } |