i945 mini patch:

- don't skip the reset on S4 violations. Specs ask us to do this so we do it
- hlt on waiting for reset instead of hot looping.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>




git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5190 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/northbridge/intel/i945/raminit.c

@@ -236,8 +236,9 @@ static void sdram_detect_errors(void)
 	if (reg8 & ((1<<7)|(1<<2))) {
 		if (reg8 & (1<<2)) {
 			printk_debug("SLP S4# Assertion Width Violation.\n");
-
+			/* Write back clears bit 2 */
 			pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa2, reg8);
+			do_reset = 1;
 
 		}
 
@@ -257,7 +258,7 @@ static void sdram_detect_errors(void)
 			printk_debug("Reset required.\n");
 			outb(0x00, 0xcf9);
 			outb(0x0e, 0xcf9);
-			for (;;) ; /* Wait for reset! */
+			for (;;) asm("hlt"); /* Wait for reset! */
 		}
 	}