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bios/sdram: set ODT and RESET_N through DFII

This commit is contained in:
Sebastien Bourdeauducq 2014-08-08 21:57:42 +08:00
parent 8deadc5760
commit b61dced909
1 changed files with 3 additions and 3 deletions
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6
software/bios/sdram.c
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@ -26,13 +26,13 @@ static void cdelay(int i)
void sdrsw(void) void sdrsw(void)
{ {
dfii_control_write(DFII_CONTROL_CKE); dfii_control_write(DFII_CONTROL_CKE|DFII_CONTROL_ODT|DFII_CONTROL_RESET_N);
printf("SDRAM now under software control\n"); printf("SDRAM now under software control\n");
} }
void sdrhw(void) void sdrhw(void)
{ {
dfii_control_write(DFII_CONTROL_SEL|DFII_CONTROL_CKE); dfii_control_write(DFII_CONTROL_SEL);
printf("SDRAM now under hardware control\n"); printf("SDRAM now under hardware control\n");
} }
@ -163,7 +163,7 @@ int sdrinit(void)
printf("Initializing SDRAM...\n"); printf("Initializing SDRAM...\n");
init_sequence(); init_sequence();
dfii_control_write(DFII_CONTROL_SEL|DFII_CONTROL_CKE); dfii_control_write(DFII_CONTROL_SEL);
if(!memtest()) if(!memtest())
return 0; return 0;