Initial support for Intel XE7501DEVKIT.

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2030 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/intel/xe7501devkit/failover.c

@@ -0,0 +1,47 @@
+#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <cpu/x86/lapic.h>
+#include "pc80/mc146818rtc_early.c"
+#include "southbridge/intel/i82801ca/cmos_failover.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/intel/e7501/reset_test.c"
+
+static unsigned long main(unsigned long bist)
+{
+	/* Is this a deliberate reset by the bios */
+	if (bios_reset_detected() && last_boot_normal()) {
+		goto normal_image;
+	}
+	/* This is the primary cpu how should I boot? */
+	else  {
+
+		check_cmos_failed();		
+
+		if (do_normal_boot()) {
+			goto normal_image;
+		}
+		else {
+			goto fallback_image;
+		}
+	}
+ normal_image:
+	asm volatile ("jmp __normal_image" 
+		: /* outputs */ 
+		: "a" (bist) /* inputs */
+		: /* clobbers */
+		);
+#if 0
+ cpu_reset:
+	asm volatile ("jmp __cpu_reset"
+		: /* outputs */ 
+		: "a"(bist) /* inputs */
+		: /* clobbers */
+		);
+#endif
+ fallback_image:
+	return bist;
+}