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bios: print number of memory errors

This commit is contained in:
Sebastien Bourdeauducq 2013-02-24 16:51:03 +01:00
parent b854f1ad32
commit 5e6505b946
2 changed files with 17 additions and 9 deletions
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24
software/bios/sdram.c
View File

@ -174,6 +174,7 @@ int memtest_silent(void)
volatile unsigned int *array = (unsigned int *)SDRAM_BASE;
int i;
unsigned int prv;
unsigned int error_cnt;
prv = 0;
for(i=0;i<TEST_SIZE/4;i++) {
@ -182,20 +183,27 @@ int memtest_silent(void)
}
prv = 0;
error_cnt = 0;
for(i=0;i<TEST_SIZE/4;i++) {
prv = 1664525*prv + 1013904223;
if(array[i] != prv)
return 0;
error_cnt++;
}
return 1;
return error_cnt;
}
void memtest(void)
int memtest(void)
{
if(memtest_silent())
printf("OK\n");
else
printf("Failed\n");
unsigned int e;
e = memtest_silent();
if(e != 0) {
printf("Memtest failed: %d/%d words incorrect\n", e, TEST_SIZE/4);
return 0;
} else {
printf("Memtest OK\n");
return 1;
}
}
int ddrinit(void)
@ -204,7 +212,7 @@ int ddrinit(void)
init_sequence();
CSR_DFII_CONTROL = DFII_CONTROL_SEL|DFII_CONTROL_CKE;
if(!memtest_silent())
if(!memtest())
return 0;
return 1;

2
software/bios/sdram.h
View File

@ -7,7 +7,7 @@ void ddrrow(char *_row);
void ddrrd(char *startaddr);
void ddrwr(char *startaddr);
int memtest_silent(void);
void memtest(void);
int memtest(void);
int ddrinit(void);
void asmiprobe(void);