1 files changed, 19 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_enable_rom.c b/src/southbridge/nvidia/ck804/ck804_enable_rom.c
new file mode 100644
index 0000000000..48ce689358
--- /dev/null
+++ b/src/southbridge/nvidia/ck804/ck804_enable_rom.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2004 Tyan Computer
+ *  by yhlu@tyan.com
+ */
+
+static void ck804_enable_rom(void)
+{
+	unsigned char byte;
+	device_t addr;
+
+	/* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
+	/* Locate the ck804 LPC */
+	addr = PCI_DEV(0, (CK804_DEVN_BASE+1), 0);
+
+	/* Set the 4MB enable bit bit */
+	byte = pci_read_config8(addr, 0x88);
+	byte |= 0x80;
+	pci_write_config8(addr, 0x88, byte);
+}