board/evb64260/ecctest.c

   1 #ifdef ECC_TEST
   2 static inline void ecc_off(void)
   3 {
   4         *(volatile int *)(INTERNAL_REG_BASE_ADDR+0x4b4) &= ~0x00200000;
   5 }
   6
   7 static inline void ecc_on(void)
   8 {
   9         *(volatile int *)(INTERNAL_REG_BASE_ADDR+0x4b4) |= 0x00200000;
  10 }
  11
  12 static int putshex(const char *buf, int len)
  13 {
  14     int i;
  15     for (i=0;i<len;i++) {
  16         printf("%02x", buf[i]);
  17     }
  18     return 0;
  19 }
  20
  21 static int char_memcpy(void *d, const void *s, int len)
  22 {
  23     int i;
  24     char *cd=d;
  25     const char *cs=s;
  26     for(i=0;i<len;i++) {
  27         *(cd++)=*(cs++);
  28     }
  29     return 0;
  30 }
  31
  32 static int memory_test(char *buf)
  33 {
  34     const char src[][16]={
  35         {   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0},
  36         {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
  37         {0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02},
  38         {0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04},
  39         {0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08},
  40         {0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10},
  41         {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20},
  42         {0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40},
  43         {0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80},
  44         {0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55},
  45         {0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa},
  46         {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}
  47     };
  48     const int foo[] = {0};
  49     int i,j,a;
  50
  51     printf("\ntest @ %d %p\n", foo[0], buf);
  52     for(i=0;i<12;i++) {
  53         for(a=0;a<8;a++) {
  54             const char *s=src[i]+a;
  55             int align=(unsigned)(s)&0x7;
  56             /* ecc_off(); */
  57             memcpy(buf,s,8);
  58             /* ecc_on(); */
  59             putshex(s,8);
  60             if(memcmp(buf,s,8)) {
  61                 putc('\n');
  62                 putshex(buf,8);
  63                 printf(" [FAIL] (%p) align=%d\n", s, align);
  64                 for(j=0;j<8;j++) {
  65                     s[j]==buf[j]?puts("  "):printf("%02x", (s[j])^(buf[j]));
  66                 }
  67                 putc('\n');
  68             } else {
  69                 printf(" [PASS] (%p) align=%d\n", s, align);
  70             }
  71             /* ecc_off(); */
  72             char_memcpy(buf,s,8);
  73             /* ecc_on(); */
  74             putshex(s,8);
  75             if(memcmp(buf,s,8)) {
  76                 putc('\n');
  77                 putshex(buf,8);
  78                 printf(" [FAIL] (%p) align=%d\n", s, align);
  79                 for(j=0;j<8;j++) {
  80                     s[j]==buf[j]?puts("  "):printf("%02x", (s[j])^(buf[j]));
  81                 }
  82                 putc('\n');
  83             } else {
  84                 printf(" [PASS] (%p) align=%d\n", s, align);
  85             }
  86         }
  87     }
  88
  89     return 0;
  90 }
  91 #endif