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git01.mediatek.com / filogic / uboot / b38e0dfccdb906e6d8ba8fb0409192767602fc07 / . / post / lib_ppc / cpu.c
blob: 1f2ded2bf2642db034b0c3bc5b7057588eb80203 [file] [log] [blame]
Wolfgang Denkb38e0df2007-03-06 18:08:43 +0100[diff] [blame^]1/*
2 * (C) Copyright 2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25
26/*
27 * CPU test
28 *
29 * This test checks the arithmetic logic unit (ALU) of CPU.
30 * It tests independently various groups of instructions using
31 * run-time modification of the code to reduce the memory footprint.
32 * For more details refer to post/cpu/ *.c files.
33 */
34
35#ifdef CONFIG_POST
36
37#include <watchdog.h>
38#include <post.h>
39
40#if CONFIG_POST & CFG_POST_CPU
41
42extern int cpu_post_test_cmp (void);
43extern int cpu_post_test_cmpi (void);
44extern int cpu_post_test_two (void);
45extern int cpu_post_test_twox (void);
46extern int cpu_post_test_three (void);
47extern int cpu_post_test_threex (void);
48extern int cpu_post_test_threei (void);
49extern int cpu_post_test_andi (void);
50extern int cpu_post_test_srawi (void);
51extern int cpu_post_test_rlwnm (void);
52extern int cpu_post_test_rlwinm (void);
53extern int cpu_post_test_rlwimi (void);
54extern int cpu_post_test_store (void);
55extern int cpu_post_test_load (void);
56extern int cpu_post_test_cr (void);
57extern int cpu_post_test_b (void);
58extern int cpu_post_test_multi (void);
59extern int cpu_post_test_string (void);
60extern int cpu_post_test_complex (void);
61
62ulong cpu_post_makecr (long v)
63{
64 ulong cr = 0;
65
66 if (v < 0)
67 cr |= 0x80000000;
68 if (v > 0)
69 cr |= 0x40000000;
70 if (v == 0)
71 cr |= 0x20000000;
72
73 return cr;
74}
75
76int cpu_post_test (int flags)
77{
78 int ic = icache_status ();
79 int ret = 0;
80
81 WATCHDOG_RESET();
82 if (ic)
83 icache_disable ();
84
85 if (ret == 0)
86 ret = cpu_post_test_cmp ();
87 if (ret == 0)
88 ret = cpu_post_test_cmpi ();
89 if (ret == 0)
90 ret = cpu_post_test_two ();
91 if (ret == 0)
92 ret = cpu_post_test_twox ();
93 WATCHDOG_RESET();
94 if (ret == 0)
95 ret = cpu_post_test_three ();
96 if (ret == 0)
97 ret = cpu_post_test_threex ();
98 if (ret == 0)
99 ret = cpu_post_test_threei ();
100 if (ret == 0)
101 ret = cpu_post_test_andi ();
102 WATCHDOG_RESET();
103 if (ret == 0)
104 ret = cpu_post_test_srawi ();
105 if (ret == 0)
106 ret = cpu_post_test_rlwnm ();
107 if (ret == 0)
108 ret = cpu_post_test_rlwinm ();
109 if (ret == 0)
110 ret = cpu_post_test_rlwimi ();
111 WATCHDOG_RESET();
112 if (ret == 0)
113 ret = cpu_post_test_store ();
114 if (ret == 0)
115 ret = cpu_post_test_load ();
116 if (ret == 0)
117 ret = cpu_post_test_cr ();
118 if (ret == 0)
119 ret = cpu_post_test_b ();
120 WATCHDOG_RESET();
121 if (ret == 0)
122 ret = cpu_post_test_multi ();
123 WATCHDOG_RESET();
124 if (ret == 0)
125 ret = cpu_post_test_string ();
126 if (ret == 0)
127 ret = cpu_post_test_complex ();
128 WATCHDOG_RESET();
129
130 if (ic)
131 icache_enable ();
132
133 WATCHDOG_RESET();
134
135 return ret;
136}
137
138#endif /* CONFIG_POST & CFG_POST_CPU */
139#endif /* CONFIG_POST */