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    /*
     * (C) Copyright 2002
     * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    #include <common.h>
    
    /* Cache test
     *
     * This test verifies the CPU data and instruction cache using
     * several test scenarios.
     */
    
    #ifdef CONFIG_POST
    
    #include <post.h>
    #include <watchdog.h>
    
    #if CONFIG_POST & CFG_POST_CACHE
    
    #define CACHE_POST_SIZE	1024
    
    extern int cache_post_test1 (char *, unsigned int);
    extern int cache_post_test2 (char *, unsigned int);
    extern int cache_post_test3 (char *, unsigned int);
    extern int cache_post_test4 (char *, unsigned int);
    extern int cache_post_test5 (void);
    extern int cache_post_test6 (void);
    
    int cache_post_test (int flags)
    {
    	int ints = disable_interrupts ();
    	int res = 0;
    	static char ta[CACHE_POST_SIZE + 0xf];
    	char *testarea = (char *) (((unsigned long) ta + 0xf) & ~0xf);
    
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test1 (testarea, CACHE_POST_SIZE);
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test2 (testarea, CACHE_POST_SIZE);
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test3 (testarea, CACHE_POST_SIZE);
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test4 (testarea, CACHE_POST_SIZE);
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test5 ();
    	WATCHDOG_RESET ();
    	if (res == 0)
    		res = cache_post_test6 ();
    
    	WATCHDOG_RESET ();
    	if (ints)
    		enable_interrupts ();
    	return res;
    }
    
    #endif /* CONFIG_POST & CFG_POST_CACHE */
    #endif /* CONFIG_POST */