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+/*
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+ * (C) Copyright 2002
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+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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+ * Marius Groeger <mgroeger@sysgo.de>
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+ *
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+ * (C) Copyright 2002
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+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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+ * Alex Zuepke <azu@sysgo.de>
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+ *
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+ * See file CREDITS for list of people who contributed to this
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+ * project.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of
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+ * the License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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+ * MA 02111-1307 USA
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+ */
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+
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+#include <common.h>
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+#include <asm/hardware.h>
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+
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+void icache_enable (void)
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+{
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+ s32 i;
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+
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+ /* disable all cache bits */
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+ CLR_REG( REG_SYSCFG, 0x3F);
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+
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+ /* 8KB cache, write enable */
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+ SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01);
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+
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+ /* clear TAG RAM bits */
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+ for ( i = 0; i < 256; i++)
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+ PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000);
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+
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+ /* clear SET0 RAM */
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+ for(i=0; i < 1024; i++)
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+ PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000);
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+
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+ /* clear SET1 RAM */
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+ for(i=0; i < 1024; i++)
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+ PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000);
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+
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+ /* enable cache */
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+ SET_REG( REG_SYSCFG, CACHE_ENABLE);
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+
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+}
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+
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+void icache_disable (void)
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+{
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+ /* disable all cache bits */
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+ CLR_REG( REG_SYSCFG, 0x3F);
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+}
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+
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+int icache_status (void)
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+{
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+ return GET_REG( REG_SYSCFG) & CACHE_ENABLE;
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+}
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+
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+void dcache_enable (void)
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+{
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+ /* we don't have seperate instruction/data caches */
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+ icache_enable();
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+}
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+
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+void dcache_disable (void)
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+{
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+ /* we don't have seperate instruction/data caches */
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+ icache_disable();
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+}
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+
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+int dcache_status (void)
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+{
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+ /* we don't have seperate instruction/data caches */
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+ return icache_status();
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+}
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