preliminary Intel D945GCLF Atom+i945 support.

ram init fails, as the i945 driver currently only supports the mobile version
of the chipset..

Not sure how much sense it makes to check this in, but since it's a nice and
cheap board, maybe someone wants to work on this.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4879 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 93 insertions, 0 deletions

diff --git a/src/mainboard/intel/d945gclf/acpi/platform.asl b/src/mainboard/intel/d945gclf/acpi/platform.asl
new file mode 100644
index 0000000000..c672c7917c
--- /dev/null
+++ b/src/mainboard/intel/d945gclf/acpi/platform.asl
@@ -0,0 +1,93 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+/* The APM port can be used for generating software SMIs */
+
+OperationRegion (APMP, SystemIO, 0xb2, 2)
+Field (APMP, ByteAcc, NoLock, Preserve)
+{
+	APMC, 8,	// APM command
+	APMS, 8		// APM status
+}
+
+/* Port 80 POST */
+
+OperationRegion (POST, SystemIO, 0x80, 1)
+Field (POST, ByteAcc, Lock, Preserve)
+{
+	DBG0, 8
+}
+
+/* SMI I/O Trap */
+Method(TRAP, 1, Serialized)
+{
+	Store (Arg0, SMIF)	// SMI Function
+	Store (0, TRP0)		// Generate trap
+	Return (SMIF)		// Return value of SMI handler
+}
+
+/* The _PIC method is called by the OS to choose between interrupt 
+ * routing via the i8259 interrupt controller or the APIC.
+ * 
+ * _PIC is called with a parameter of 0 for i8259 configuration and
+ * with a parameter of 1 for Local Apic/IOAPIC configuration.
+ */
+
+Method(_PIC, 1)
+{
+	// Remember the OS' IRQ routing choice.
+	Store(Arg0, PICM)
+}
+
+/* The _PTS method (Prepare To Sleep) is called before the OS is
+ * entering a sleep state. The sleep state number is passed in Arg0
+ */
+
+Method(_PTS,1)
+{
+	// Call a trap so SMI can prepare for Sleep as well.
+	// TRAP(0x55)
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	// CPU specific part
+
+	// Notify PCI Express slots in case a card
+	// was inserted while a sleep state was active.
+
+	// Are we going to S3? 
+	If (LEqual(Arg0, 3)) {
+		// ..
+	}
+
+	// Are we going to S4? 
+	If (LEqual(Arg0, 4)) {
+		// ..
+	}
+
+	// TODO: Windows XP SP2 P-State restore
+
+	Return(Package(){0,0})
+}
+