[coreboot-gerrit] New patch to review for coreboot: 65148dc broadwell: Add broadwell specific platform ASL

[Marc Jones (marc.jones@se-eng.com)]

Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8961

-gerrit

commit 65148dcf7829a350d4621b7c253aa8a7e8bbf99f
Author: Duncan Laurie <dlaurie at chromium.org>
Date:   Fri Aug 22 11:04:45 2014 -0700

    broadwell: Add broadwell specific platform ASL
    
    This can be shared between mainboards, they are still free
    to override if needed.
    
    BUG=chrome-os-partner:28234
    BRANCH=none
    TEST=build and boot on samus
    
    Change-Id: I85fae6e254adcbda1c52410d5ba046f3f05b54c0
    Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
    Reviewed-on: https://chromium-review.googlesource.com/213792
    Reviewed-by: Aaron Durbin <adurbin at chromium.org>
    (cherry picked from commit 3e40cb804e7a95ce2183ebb3ef5d86820aef61b5)
    Signed-off-by: Marc Jones <marc.jones at se-eng.com>
---
 src/soc/intel/broadwell/acpi/platform.asl | 78 +++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/src/soc/intel/broadwell/acpi/platform.asl b/src/soc/intel/broadwell/acpi/platform.asl
new file mode 100644
index 0000000..2361fe8
--- /dev/null
+++ b/src/soc/intel/broadwell/acpi/platform.asl
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * 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)
+{
+}
+
+/* The _WAK method is called on system wakeup */
+
+Method(_WAK,1)
+{
+	Return(Package(){0,0})
+}
+
+Method (_SWS)
+{
+	/* Index into PM1 for device that caused wake */
+	Return (\PM1I)
+}