1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2002
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7#include <common.h>
8#include <cpu_func.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
19#include <watchdog.h>
20#include <post.h>
21#include <asm/mmu.h>
22
23#if CFG_POST & CFG_SYS_POST_CPU
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
45ulong cpu_post_makecr (long v)
46{
47	ulong cr = 0;
48
49	if (v < 0)
50		cr |= 0x80000000;
51	if (v > 0)
52		cr |= 0x40000000;
53	if (v == 0)
54		cr |= 0x20000000;
55
56	return cr;
57}
58
59int cpu_post_test (int flags)
60{
61	int ic = icache_status();
62	int ret = 0;
63
64	schedule();
65	if (ic)
66		icache_disable();
67
68	if (ret == 0)
69		ret = cpu_post_test_cmp ();
70	if (ret == 0)
71		ret = cpu_post_test_cmpi ();
72	if (ret == 0)
73		ret = cpu_post_test_two ();
74	if (ret == 0)
75		ret = cpu_post_test_twox ();
76	schedule();
77	if (ret == 0)
78		ret = cpu_post_test_three ();
79	if (ret == 0)
80		ret = cpu_post_test_threex ();
81	if (ret == 0)
82		ret = cpu_post_test_threei ();
83	if (ret == 0)
84		ret = cpu_post_test_andi ();
85	schedule();
86	if (ret == 0)
87		ret = cpu_post_test_srawi ();
88	if (ret == 0)
89		ret = cpu_post_test_rlwnm ();
90	if (ret == 0)
91		ret = cpu_post_test_rlwinm ();
92	if (ret == 0)
93		ret = cpu_post_test_rlwimi ();
94	schedule();
95	if (ret == 0)
96		ret = cpu_post_test_store ();
97	if (ret == 0)
98		ret = cpu_post_test_load ();
99	if (ret == 0)
100		ret = cpu_post_test_cr ();
101	if (ret == 0)
102		ret = cpu_post_test_b ();
103	schedule();
104	if (ret == 0)
105		ret = cpu_post_test_multi ();
106	schedule();
107	if (ret == 0)
108		ret = cpu_post_test_string ();
109	if (ret == 0)
110		ret = cpu_post_test_complex ();
111	schedule();
112
113	if (ic)
114		icache_enable();
115
116	schedule();
117
118	return ret;
119}
120
121#endif /* CFG_POST & CFG_SYS_POST_CPU */
122