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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 958a2106f5af62d47e3b522ef4bbf3c13185dfb1 / . / post / lib_powerpc / cpu.c
blob: 915eb0a7648b2728a028674348f1ce836a3e6d1b [file] [log] [blame]
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]1/*
2 * (C) Copyright 2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]6 */
7
8#include <common.h>
9
10/*
11 * CPU test
12 *
13 * This test checks the arithmetic logic unit (ALU) of CPU.
14 * It tests independently various groups of instructions using
15 * run-time modification of the code to reduce the memory footprint.
16 * For more details refer to post/cpu/ *.c files.
17 */
18
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]19#include <watchdog.h>
20#include <post.h>
Stefan Roese3db93b82007-10-31 20:51:10 +0100[diff] [blame]21#include <asm/mmu.h>
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]22
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200[diff] [blame]23#if CONFIG_POST & CONFIG_SYS_POST_CPU
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]24
25extern int cpu_post_test_cmp (void);
26extern int cpu_post_test_cmpi (void);
27extern int cpu_post_test_two (void);
28extern int cpu_post_test_twox (void);
29extern int cpu_post_test_three (void);
30extern int cpu_post_test_threex (void);
31extern int cpu_post_test_threei (void);
32extern int cpu_post_test_andi (void);
33extern int cpu_post_test_srawi (void);
34extern int cpu_post_test_rlwnm (void);
35extern int cpu_post_test_rlwinm (void);
36extern int cpu_post_test_rlwimi (void);
37extern int cpu_post_test_store (void);
38extern int cpu_post_test_load (void);
39extern int cpu_post_test_cr (void);
40extern int cpu_post_test_b (void);
41extern int cpu_post_test_multi (void);
42extern int cpu_post_test_string (void);
43extern int cpu_post_test_complex (void);
44
Stefan Roese3db93b82007-10-31 20:51:10 +0100[diff] [blame]45DECLARE_GLOBAL_DATA_PTR;
46
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]47ulong cpu_post_makecr (long v)
48{
49 ulong cr = 0;
50
51 if (v < 0)
52 cr |= 0x80000000;
53 if (v > 0)
54 cr |= 0x40000000;
55 if (v == 0)
56 cr |= 0x20000000;
57
58 return cr;
59}
60
61int cpu_post_test (int flags)
62{
63 int ic = icache_status ();
64 int ret = 0;
65
66 WATCHDOG_RESET();
67 if (ic)
68 icache_disable ();
69
70 if (ret == 0)
71 ret = cpu_post_test_cmp ();
72 if (ret == 0)
73 ret = cpu_post_test_cmpi ();
74 if (ret == 0)
75 ret = cpu_post_test_two ();
76 if (ret == 0)
77 ret = cpu_post_test_twox ();
78 WATCHDOG_RESET();
79 if (ret == 0)
80 ret = cpu_post_test_three ();
81 if (ret == 0)
82 ret = cpu_post_test_threex ();
83 if (ret == 0)
84 ret = cpu_post_test_threei ();
85 if (ret == 0)
86 ret = cpu_post_test_andi ();
87 WATCHDOG_RESET();
88 if (ret == 0)
89 ret = cpu_post_test_srawi ();
90 if (ret == 0)
91 ret = cpu_post_test_rlwnm ();
92 if (ret == 0)
93 ret = cpu_post_test_rlwinm ();
94 if (ret == 0)
95 ret = cpu_post_test_rlwimi ();
96 WATCHDOG_RESET();
97 if (ret == 0)
98 ret = cpu_post_test_store ();
99 if (ret == 0)
100 ret = cpu_post_test_load ();
101 if (ret == 0)
102 ret = cpu_post_test_cr ();
103 if (ret == 0)
104 ret = cpu_post_test_b ();
105 WATCHDOG_RESET();
106 if (ret == 0)
107 ret = cpu_post_test_multi ();
108 WATCHDOG_RESET();
109 if (ret == 0)
110 ret = cpu_post_test_string ();
111 if (ret == 0)
112 ret = cpu_post_test_complex ();
113 WATCHDOG_RESET();
114
115 if (ic)
116 icache_enable ();
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]117
118 WATCHDOG_RESET();
119
120 return ret;
121}
122
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200[diff] [blame]123#endif /* CONFIG_POST & CONFIG_SYS_POST_CPU */