x86: Add Moorestown early detection

Moorestown MID devices need to be detected early in the boot process
to setup and do not call x86_default_early_setup as there is no EBDA
region to reserve.

[ Copied the minimal code from Jacobs latest MRST series ]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jacob Pan <jacob.jun.pan@intel.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
new file mode 100644
index 000000000000..3b7078abc871
--- /dev/null
+++ b/arch/x86/kernel/mrst.c
@@ -0,0 +1,24 @@
+/*
+ * mrst.c: Intel Moorestown platform specific setup code
+ *
+ * (C) Copyright 2008 Intel Corporation
+ * Author: Jacob Pan (jacob.jun.pan@intel.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+#include <linux/init.h>
+
+#include <asm/setup.h>
+
+/*
+ * Moorestown specific x86_init function overrides and early setup
+ * calls.
+ */
+void __init x86_mrst_early_setup(void)
+{
+        x86_init.resources.probe_roms = x86_init_noop;
+        x86_init.resources.reserve_resources = x86_init_noop;
+}