summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/arm926ejs/aspeed/STRESS.c
blob: dffd64fd2accfe35a37419b59d8c6c0f85cae4fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#define STRESS_C
static const char ThisFile[] = "STRESS.c";

#include "SWFUNC.H"
#include <COMMINF.H>
#include <IO.H>

#define TIMEOUT_DRAM              5000000

/* ------------------------------------------------------------------------- */
int MMCTestBurst(unsigned int datagen)
{
  unsigned int data;
  unsigned int timeout = 0;
  
  WriteSOC_DD( 0x1E6E0070, 0x00000000 );
  WriteSOC_DD( 0x1E6E0070, (0x000000C1 | (datagen << 3)) );
  
  do {
    data = ReadSOC_DD( 0x1E6E0070 ) & 0x3000;

    if( data & 0x2000 )
      return(0);

    if( ++timeout > TIMEOUT_DRAM ) {
      printf("Timeout!!\n");
      WriteSOC_DD( 0x1E6E0070, 0x00000000 );
      
      return(0);
    }
  } while( !data );
  WriteSOC_DD( 0x1E6E0070, 0x00000000 );
  
  return(1);
}

/* ------------------------------------------------------------------------- */
int MMCTestSingle(unsigned int datagen)
{
  unsigned int data;
  unsigned int timeout = 0;

  WriteSOC_DD( 0x1E6E0070, 0x00000000 );
  WriteSOC_DD( 0x1E6E0070, (0x00000085 | (datagen << 3)) );
  
  do {
    data = ReadSOC_DD( 0x1E6E0070 ) & 0x3000;
    
    if( data & 0x2000 )
      return(0);
    
    if( ++timeout > TIMEOUT_DRAM ){
      printf("Timeout!!\n");
      WriteSOC_DD( 0x1E6E0070, 0x00000000 );
      
      return(0);
    }
  } while ( !data );
  WriteSOC_DD( 0x1E6E0070, 0x00000000 );
  
  return(1);
}

/* ------------------------------------------------------------------------- */
int MMCTest()
{
  unsigned int pattern;

  pattern = ReadSOC_DD( 0x1E6E2078 );
  printf("Pattern = %08X : ",pattern);

  WriteSOC_DD(0x1E6E0074, (DRAM_MapAdr | 0x7fffff) );
  WriteSOC_DD(0x1E6E007C, pattern );
  
  if(!MMCTestBurst(0))    return(0);
  if(!MMCTestBurst(1))    return(0);
  if(!MMCTestBurst(2))    return(0);
  if(!MMCTestBurst(3))    return(0);
  if(!MMCTestBurst(4))    return(0);
  if(!MMCTestBurst(5))    return(0);
  if(!MMCTestBurst(6))    return(0);
  if(!MMCTestBurst(7))    return(0);
  if(!MMCTestSingle(0))   return(0);
  if(!MMCTestSingle(1))   return(0);
  if(!MMCTestSingle(2))   return(0);
  if(!MMCTestSingle(3))   return(0);
  if(!MMCTestSingle(4))   return(0);
  if(!MMCTestSingle(5))   return(0);
  if(!MMCTestSingle(6))   return(0);
  if(!MMCTestSingle(7))   return(0);

  return(1);
}

/* ------------------------------------------------------------------------- */
int dram_stress_function(int argc, char *argv[])
{
    unsigned int Pass;
    unsigned int PassCnt     = 0;
    unsigned int Testcounter = 0;
    int          ret = 1;
    char         *stop_at;

    printf("**************************************************** \n");       
    printf("*** ASPEED Stress DRAM                           *** \n");
    printf("***                          20131107 for u-boot *** \n");
    printf("**************************************************** \n"); 
    printf("\n"); 
  
    if ( argc != 2 ){
        ret = 0;
        return ( ret );
    }
    else {
        Testcounter = (unsigned int) strtoul(argv[1], &stop_at, 10);                     
    }

    WriteSOC_DD(0x1E6E0000, 0xFC600309);   

    while( ( Testcounter > PassCnt ) || ( Testcounter == 0 ) ){
        if( !MMCTest() ) {
            printf("FAIL...%d/%d\n", PassCnt, Testcounter);
            ret = 0;
      
            break;
        }
        else {
            PassCnt++;
            printf("Pass %d/%d\n", PassCnt, Testcounter);
        }
     } // End while()
     
     return( ret );
}