Disable the AC97 modem via the ICH4 LPC disable function register early in the boot process.

Signed-off-by: Joseph Smith <joe@settoplinux.org>
Acked-by: Myles Watson <mylesgw@gmail.com>

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4258 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/thomson/ip1000/gpio.c

@@ -43,6 +43,9 @@ static void mb_gpio_init(void)
 	set_gpio |= 1 << 23;
 	outl(set_gpio, ICH_IO_BASE_ADDR + 0x0c);
 
+	/* Disable AC97 Modem */
+	pci_write_config8(dev, 0xf2, 0x40);
+
 	/* Super I/O GPIOs. */
 	dev = PME_DEV;
 	port = dev >> 8;