mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-10-25 01:58:13 +01:00 
			
		
		
		
	Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * (C) Copyright 2002
 | |
|  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 | |
|  *
 | |
|  * SPDX-License-Identifier:	GPL-2.0+
 | |
|  */
 | |
| 
 | |
| #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.
 | |
|  */
 | |
| 
 | |
| #include <watchdog.h>
 | |
| #include <post.h>
 | |
| #include <asm/mmu.h>
 | |
| 
 | |
| #if CONFIG_POST & CONFIG_SYS_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 & CONFIG_SYS_POST_CPU */
 |