- O2, enums, and switch statements work in romcc

- Support for compiling romcc on non x86 platforms
  - new romc options -msse and -mmmx for specifying extra registers to use
  - Bug fixes to device the device disable/enable framework and an amd8111 implementation
  - Move the link specification to the chip specification instead of the path
  - Allow specifying devices with internal bridges.
  - Initial via epia support
 - Opteron errata fixes


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1200 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/romcc/tests/simple_test61.c

@@ -0,0 +1,26 @@
+static void spd_set_nbxcfg(void)
+{
+	/*
+	 * Effects:	Uses serial presence detect to set the
+	 *              ECC support flags in the NBXCFG register
+	 * FIXME:	Check for illegal/unsupported ram configurations and abort
+	 */
+	unsigned device;
+
+	for(device = 0x50; device <= 0x53; device += 1) {
+		int byte;
+
+		byte = 0; /* Disable ECC */
+		/* 0 == None, 1 == Parity, 2 == ECC */
+		if (byte != 2) continue;
+
+		/* set the device I'm talking too */
+		__builtin_outb(device, 0x1004);
+		
+		/* poll for transaction completion */
+		byte = __builtin_inb(0x10);
+		while(byte == 0) {
+			byte = __builtin_inb(0x10);
+		}
+	}
+}