diff options
Diffstat (limited to 'board/evb64260/ecctest.c')
-rw-r--r-- | board/evb64260/ecctest.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/board/evb64260/ecctest.c b/board/evb64260/ecctest.c new file mode 100644 index 0000000..e7c58b3 --- /dev/null +++ b/board/evb64260/ecctest.c @@ -0,0 +1,91 @@ +#ifdef ECC_TEST +static inline void ecc_off(void) +{ + *(volatile int *)(INTERNAL_REG_BASE_ADDR+0x4b4) &= ~0x00200000; +} + +static inline void ecc_on(void) +{ + *(volatile int *)(INTERNAL_REG_BASE_ADDR+0x4b4) |= 0x00200000; +} + +static int putshex(const char *buf, int len) +{ + int i; + for (i=0;i<len;i++) { + printf("%02x", buf[i]); + } + return 0; +} + +static int char_memcpy(void *d, const void *s, int len) +{ + int i; + char *cd=d; + const char *cs=s; + for(i=0;i<len;i++) { + *(cd++)=*(cs++); + } + return 0; +} + +static int memory_test(char *buf) +{ + const char src[][16]={ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, + {0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02}, + {0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04}, + {0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08}, + {0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10}, + {0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20}, + {0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40}, + {0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80}, + {0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55,0x55}, + {0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa,0xaa}, + {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff} + }; + const int foo[] = {0}; + int i,j,a; + + printf("\ntest @ %d %p\n", foo[0], buf); + for(i=0;i<12;i++) { + for(a=0;a<8;a++) { + const char *s=src[i]+a; + int align=(unsigned)(s)&0x7; + /* ecc_off(); */ + memcpy(buf,s,8); + /* ecc_on(); */ + putshex(s,8); + if(memcmp(buf,s,8)) { + putc('\n'); + putshex(buf,8); + printf(" [FAIL] (%p) align=%d\n", s, align); + for(j=0;j<8;j++) { + s[j]==buf[j]?puts(" "):printf("%02x", (s[j])^(buf[j])); + } + putc('\n'); + } else { + printf(" [PASS] (%p) align=%d\n", s, align); + } + /* ecc_off(); */ + char_memcpy(buf,s,8); + /* ecc_on(); */ + putshex(s,8); + if(memcmp(buf,s,8)) { + putc('\n'); + putshex(buf,8); + printf(" [FAIL] (%p) align=%d\n", s, align); + for(j=0;j<8;j++) { + s[j]==buf[j]?puts(" "):printf("%02x", (s[j])^(buf[j])); + } + putc('\n'); + } else { + printf(" [PASS] (%p) align=%d\n", s, align); + } + } + } + + return 0; +} +#endif |