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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>
/*
* CPU test
*
* This test checks the arithmetic logic unit (ALU) of CPU.
* It tests independently various groups of instructions using
* run-time modification of the code to reduce the memory footprint.
* For more details refer to post/cpu/ *.c files.
*/
#ifdef CONFIG_POST
#include <watchdog.h>
#include <post.h>
#include <asm/mmu.h>
#if CONFIG_POST & CFG_POST_CPU
extern int cpu_post_test_cmp (void);
extern int cpu_post_test_cmpi (void);
extern int cpu_post_test_two (void);
extern int cpu_post_test_twox (void);
extern int cpu_post_test_three (void);
extern int cpu_post_test_threex (void);
extern int cpu_post_test_threei (void);
extern int cpu_post_test_andi (void);
extern int cpu_post_test_srawi (void);
extern int cpu_post_test_rlwnm (void);
extern int cpu_post_test_rlwinm (void);
extern int cpu_post_test_rlwimi (void);
extern int cpu_post_test_store (void);
extern int cpu_post_test_load (void);
extern int cpu_post_test_cr (void);
extern int cpu_post_test_b (void);
extern int cpu_post_test_multi (void);
extern int cpu_post_test_string (void);
extern int cpu_post_test_complex (void);
DECLARE_GLOBAL_DATA_PTR;
ulong cpu_post_makecr (long v)
{
ulong cr = 0;
if (v < 0)
cr |= 0x80000000;
if (v > 0)
cr |= 0x40000000;
if (v == 0)
cr |= 0x20000000;
return cr;
}
int cpu_post_test (int flags)
{
int ic = icache_status ();
int ret = 0;
WATCHDOG_RESET();
if (ic)
icache_disable ();
#ifdef CONFIG_4xx_DCACHE
/* disable cache */
change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE);
#endif
if (ret == 0)
ret = cpu_post_test_cmp ();
if (ret == 0)
ret = cpu_post_test_cmpi ();
if (ret == 0)
ret = cpu_post_test_two ();
if (ret == 0)
ret = cpu_post_test_twox ();
WATCHDOG_RESET();
if (ret == 0)
ret = cpu_post_test_three ();
if (ret == 0)
ret = cpu_post_test_threex ();
if (ret == 0)
ret = cpu_post_test_threei ();
if (ret == 0)
ret = cpu_post_test_andi ();
WATCHDOG_RESET();
if (ret == 0)
ret = cpu_post_test_srawi ();
if (ret == 0)
ret = cpu_post_test_rlwnm ();
if (ret == 0)
ret = cpu_post_test_rlwinm ();
if (ret == 0)
ret = cpu_post_test_rlwimi ();
WATCHDOG_RESET();
if (ret == 0)
ret = cpu_post_test_store ();
if (ret == 0)
ret = cpu_post_test_load ();
if (ret == 0)
ret = cpu_post_test_cr ();
if (ret == 0)
ret = cpu_post_test_b ();
WATCHDOG_RESET();
if (ret == 0)
ret = cpu_post_test_multi ();
WATCHDOG_RESET();
if (ret == 0)
ret = cpu_post_test_string ();
if (ret == 0)
ret = cpu_post_test_complex ();
WATCHDOG_RESET();
if (ic)
icache_enable ();
#ifdef CONFIG_4xx_DCACHE
/* enable cache */
change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
#endif
WATCHDOG_RESET();
return ret;
}
#endif /* CONFIG_POST & CFG_POST_CPU */
#endif /* CONFIG_POST */
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