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post/lib_powerpc/cpu.c 2.58 KB
83d290c56   Tom Rini   SPDX: Convert all...
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  // SPDX-License-Identifier: GPL-2.0+
ad5bb451a   Wolfgang Denk   Restructure POST ...
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  /*
   * (C) Copyright 2002
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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   */
  
  #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.
   */
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  #include <watchdog.h>
  #include <post.h>
3db93b8be   Stefan Roese   ppc4xx: Enable CP...
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  #include <asm/mmu.h>
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6d0f6bcf3   Jean-Christophe PLAGNIOL-VILLARD   rename CFG_ macro...
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  #if CONFIG_POST & CONFIG_SYS_POST_CPU
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  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);
  
  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 ();
  
  	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 ();
  
  	WATCHDOG_RESET();
  
  	return ret;
  }
6d0f6bcf3   Jean-Christophe PLAGNIOL-VILLARD   rename CFG_ macro...
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  #endif /* CONFIG_POST & CONFIG_SYS_POST_CPU */