mirror of https://gitee.com/openkylin/linux.git
38 lines
922 B
C
38 lines
922 B
C
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/*
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* arch/mips/sni/pcimt_scache.c
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (c) 1997, 1998 by Ralf Baechle
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <asm/bcache.h>
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#include <asm/sni.h>
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#define cacheconf (*(volatile unsigned int *)PCIMT_CACHECONF)
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#define invspace (*(volatile unsigned int *)PCIMT_INVSPACE)
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void __init sni_pcimt_sc_init(void)
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{
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unsigned int scsiz, sc_size;
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scsiz = cacheconf & 7;
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if (scsiz == 0) {
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printk("Second level cache is deactived.\n");
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return;
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}
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if (scsiz >= 6) {
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printk("Invalid second level cache size configured, "
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"deactivating second level cache.\n");
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cacheconf = 0;
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return;
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}
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sc_size = 128 << scsiz;
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printk("%dkb second level cache detected, deactivating.\n", sc_size);
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cacheconf = 0;
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}
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