From 1b75994b4e62d29f78517e50de6ea90d84aa08a6 Mon Sep 17 00:00:00 2001
From: Bora Guvendik <bora.guvendik@intel.com>
Date: Mon, 27 Nov 2017 12:14:58 -0800
Subject: src/soc/intel/cannonlake: Add _PRW for CNVi

Add _PRW so that wake on WLAN feature works.

TEST=Boot to OS and check if WLAN device wakes host.

Change-Id: Id6689754d1c4100615e4e4ae5a7f9846f4bf785f
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/22611
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
---
 src/soc/intel/cannonlake/acpi/cnvi.asl        | 32 +++++++++++++++++++++++++++
 src/soc/intel/cannonlake/acpi/southbridge.asl |  3 +++
 src/soc/intel/cannonlake/include/soc/pm.h     | 22 ++++++++++--------
 3 files changed, 48 insertions(+), 9 deletions(-)
 create mode 100644 src/soc/intel/cannonlake/acpi/cnvi.asl

diff --git a/src/soc/intel/cannonlake/acpi/cnvi.asl b/src/soc/intel/cannonlake/acpi/cnvi.asl
new file mode 100644
index 0000000000..f9aeeb06e0
--- /dev/null
+++ b/src/soc/intel/cannonlake/acpi/cnvi.asl
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corporation
+ *
+ * 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.
+ */
+
+#include <soc/pm.h>
+
+/* CNVi Controller 0:14.3 */
+Device (CNVI) {
+	 Name(_ADR, 0x00140003)
+
+	Name (_S3D, 3)  /* D3 supported in S3 */
+	Name (_S0W, 3)  /* D3 can wake device in S0 */
+	Name (_S3W, 3)  /* D3 can wake system from S3 */
+
+	Name (_PRW, Package() { PME_B0_EN_BIT, 3 })
+
+	Method (_STA, 0)
+	{
+		Return (0xF)
+	}
+}
diff --git a/src/soc/intel/cannonlake/acpi/southbridge.asl b/src/soc/intel/cannonlake/acpi/southbridge.asl
index fdba171ada..d0d03f0ac3 100644
--- a/src/soc/intel/cannonlake/acpi/southbridge.asl
+++ b/src/soc/intel/cannonlake/acpi/southbridge.asl
@@ -45,3 +45,6 @@
 
 /* PCI _OSC */
 #include <soc/intel/common/acpi/pci_osc.asl>
+
+/* CNVi */
+#include "cnvi.asl"
diff --git a/src/soc/intel/cannonlake/include/soc/pm.h b/src/soc/intel/cannonlake/include/soc/pm.h
index 378fac9139..1494d561d8 100644
--- a/src/soc/intel/cannonlake/include/soc/pm.h
+++ b/src/soc/intel/cannonlake/include/soc/pm.h
@@ -17,14 +17,6 @@
 #ifndef _SOC_PM_H_
 #define _SOC_PM_H_
 
-#include <arch/acpi.h>
-#include <arch/io.h>
-#include <compiler.h>
-#include <soc/gpe.h>
-#include <soc/iomap.h>
-#include <soc/smbus.h>
-#include <soc/pmc.h>
-
 #define PM1_STS			0x00
 #define  WAK_STS		(1 << 15)
 #define  PCIEXPWAK_STS		(1 << 14)
@@ -116,7 +108,8 @@
 #define   WADT_EN		(1 << 18)
 #define   GPIO_T2_EN		(1 << 15)
 #define   ESPI_EN		(1 << 14)
-#define   PME_B0_EN		(1 << 13)
+#define   PME_B0_EN_BIT		13
+#define   PME_B0_EN		(1 << PME_B0_EN_BIT)
 #define   ME_SCI_EN		(1 << 12)
 #define   PME_EN		(1 << 11)
 #define   BATLOW_EN		(1 << 10)
@@ -145,6 +138,16 @@
 #define	PSS_LATENCY_TRANSITION	10
 #define	PSS_LATENCY_BUSMASTER	10
 
+#if !defined(__ACPI__)
+
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <compiler.h>
+#include <soc/gpe.h>
+#include <soc/iomap.h>
+#include <soc/smbus.h>
+#include <soc/pmc.h>
+
 struct chipset_power_state {
 	uint16_t pm1_sts;
 	uint16_t pm1_en;
@@ -168,4 +171,5 @@ uint16_t smbus_tco_regs(void);
 /* Set the DISB after DRAM init */
 void pmc_set_disb(void);
 
+#endif /* !defined(__ACPI__) */
 #endif
-- 
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