southbridge/intel: Add fsp_rangeley support

This adds the southbridge initialization pieces for Intel's Atom C2000
processor (formerly Rangeley).  It is intended to be used with the Intel
Atom C2000 FSP and does not contain all of the pieces that would
otherwise be required for initialization.

Change-Id: I416e85bd6e9c9dcf79f97785074135902fdd18b7
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: http://review.coreboot.org/6370
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

1 files changed, 277 insertions, 0 deletions

diff --git a/src/southbridge/intel/fsp_rangeley/acpi/soc.asl b/src/southbridge/intel/fsp_rangeley/acpi/soc.asl
new file mode 100644
index 0000000000..d3c67325d7
--- /dev/null
+++ b/src/southbridge/intel/fsp_rangeley/acpi/soc.asl
@@ -0,0 +1,277 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Sage Electronic Engineering, LLC.
+ *
+ * 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
+ */
+
+/* Intel Rangeley support */
+
+#include "../soc.h"
+
+Scope(\)
+{
+	// IO-Trap at 0x800. This is the ACPI->SMI communication interface.
+
+	OperationRegion(IO_T, SystemIO, 0x800, 0x10)
+	Field(IO_T, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x8),
+		TRP0, 8		// IO-Trap at 0x808
+	}
+
+#if IS_ENABLED(CONFIG_ACPI_INCLUDE_PMIO)
+	// PCH Power Management Registers, located at PMBASE (0x1f.0 0x40.l)
+	OperationRegion(PMIO, SystemIO, DEFAULT_ABASE, 0x80)
+	Field(PMIO, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x20),	// GPE0_STS
+		, 16,
+		GS00, 1,	// GPIO00 SCI/Wake Status
+		GS01, 1,	// GPIO01 SCI/Wake Status
+		GS02, 1,	// GPIO02 SCI/Wake Status
+		GS03, 1,	// GPIO03 SCI/Wake Status
+		GS04, 1,	// GPIO04 SCI/Wake Status
+		GS05, 1,	// GPIO05 SCI/Wake Status
+		GS06, 1,	// GPIO06 SCI/Wake Status
+		GS07, 1,	// GPIO07 SCI/Wake Status
+		GS08, 1,	// GPIO08 SCI/Wake Status
+		GS09, 1,	// GPIO09 SCI/Wake Status
+		GS10, 1,	// GPIO10 SCI/Wake Status
+		GS11, 1,	// GPIO11 SCI/Wake Status
+		GS12, 1,	// GPIO12 SCI/Wake Status
+		GS13, 1,	// GPIO13 SCI/Wake Status
+		GS14, 1,	// GPIO14 SCI/Wake Status
+		GS15, 1,	// GPIO15 SCI/Wake Status
+		Offset(0x28),	// GPE0_EN
+		, 16,
+		GE00, 1,	// GPIO00 SCI/Wake Enable
+		GE01, 1,	// GPIO01 SCI/Wake Enable
+		GE02, 1,	// GPIO02 SCI/Wake Enable
+		GE03, 1,	// GPIO03 SCI/Wake Enable
+		GE04, 1,	// GPIO04 SCI/Wake Enable
+		GE05, 1,	// GPIO05 SCI/Wake Enable
+		GE06, 1,	// GPIO06 SCI/Wake Enable
+		GE07, 1,	// GPIO07 SCI/Wake Enable
+		GE08, 1,	// GPIO08 SCI/Wake Enable
+		GE09, 1,	// GPIO09 SCI/Wake Enable
+		GE10, 1,	// GPIO10 SCI/Wake Enable
+		GE11, 1,	// GPIO11 SCI/Wake Enable
+		GE12, 1,	// GPIO12 SCI/Wake Enable
+		GE13, 1,	// GPIO13 SCI/Wake Enable
+		GE14, 1,	// GPIO14 SCI/Wake Enable
+		GE15, 1,	// GPIO15 SCI/Wake Enable
+		Offset(0x42),	// General Purpose Control
+		, 1,		// skip 1 bit
+		GPEC, 1,	// SWGPE_CTRL
+	}
+#endif
+
+#if IS_ENABLED(CONFIG_ACPI_INCLUDE_GPIO)
+	// GPIO IO mapped registers (0x1f.0 reg 0x48.l)
+	OperationRegion(GPIO, SystemIO, DEFAULT_GPIOBASE, 0x6c)
+	Field(GPIO, ByteAcc, NoLock, Preserve)
+	{
+		Offset(0x00),	// GPIO Use Select
+		GU00, 8,
+		GU01, 8,
+		GU02, 8,
+		GU03, 8,
+		Offset(0x04),	// GPIO IO Select
+		GIO0, 8,
+		GIO1, 8,
+		GIO2, 8,
+		GIO3, 8,
+		Offset(0x0c),	// GPIO Level
+		GL00, 1,
+		GP01, 1,
+		GP02, 1,
+		GP0e, 1,
+		GP04, 1,
+		GP05, 1,
+		GP06, 1,
+		GP07, 1,
+		GP08, 1,
+		GP09, 1,
+		GP10, 1,
+		GP11, 1,
+		GP12, 1,
+		GP13, 1,
+		GP14, 1,
+		GP15, 1,
+		GP16, 1,
+		GP17, 1,
+		GP18, 1,
+		GP19, 1,
+		GP20, 1,
+		GP21, 1,
+		GP22, 1,
+		GP23, 1,
+		GP24, 1,
+		GP25, 1,
+		GP26, 1,
+		GP27, 1,
+		GP28, 1,
+		GP29, 1,
+		GP30, 1,
+		GP31, 1,
+		Offset(0x18),	// GPIO Blink
+		GB00, 8,
+		GB01, 8,
+		GB02, 8,
+		GB03, 8,
+		Offset(0x2c),	// GPIO Invert
+		GIV0, 8,
+		GIV1, 8,
+		GIV2, 8,
+		GIV3, 8,
+		Offset(0x30),	// GPIO Use Select 2
+		GU04, 8,
+		GU05, 8,
+		GU06, 8,
+		GU07, 8,
+		Offset(0x34),	// GPIO IO Select 2
+		GIO4, 8,
+		GIO5, 8,
+		GIO6, 8,
+		GIO7, 8,
+		Offset(0x38),	// GPIO Level 2
+		GP32, 1,
+		GP33, 1,
+		GP34, 1,
+		GP35, 1,
+		GP36, 1,
+		GP37, 1,
+		GP38, 1,
+		GP39, 1,
+		GP40, 1,
+		GP41, 1,
+		GP42, 1,
+		GP43, 1,
+		GP44, 1,
+		GP45, 1,
+		GP46, 1,
+		GP47, 1,
+		GP48, 1,
+		GP49, 1,
+		GP50, 1,
+		GP51, 1,
+		GP52, 1,
+		GP53, 1,
+		GP54, 1,
+		GP55, 1,
+		GP56, 1,
+		GP57, 1,
+		GP58, 1,
+		GP59, 1,
+		GP60, 1,
+		GP61, 1,
+		GP62, 1,
+		GP63, 1,
+		Offset(0x40),	// GPIO Use Select 3
+		GU08, 8,
+		GU09, 4,
+		Offset(0x44),	// GPIO IO Select 3
+		GIO8, 8,
+		GIO9, 4,
+		Offset(0x48),	// GPIO Level 3
+		GP64, 1,
+		GP65, 1,
+		GP66, 1,
+		GP67, 1,
+		GP68, 1,
+		GP69, 1,
+		GP70, 1,
+		GP71, 1,
+		GP72, 1,
+		GP73, 1,
+		GP74, 1,
+		GP75, 1,
+	}
+#endif
+
+	// ICH7 Root Complex Register Block. Memory Mapped through RCBA)
+	OperationRegion(RCRB, SystemMemory, DEFAULT_RCBA, 0x4000)
+	Field(RCRB, DWordAcc, Lock, Preserve)
+	{
+		Offset(0x0000), // Backbone
+		Offset(0x1000), // Chipset
+		Offset(0x3000), // Legacy Configuration Registers
+		Offset(0x3404), // High Performance Timer Configuration
+		HPAS, 2, 	// Address Select
+		, 5,
+		HPTE, 1,	// Address Enable
+		Offset(0x3418), // FD (Function Disable)
+		, 1,		// Reserved
+		PCID, 1,	// PCI bridge disable
+		SA1D, 1,	// SATA1 disable
+		SMBD, 1,	// SMBUS disable
+		HDAD, 1,	// Azalia disable
+		, 8,		// Reserved
+		EH2D, 1,	// EHCI #2 disable
+		LPBD, 1,	// LPC bridge disable
+		EH1D, 1,	// EHCI #1 disable
+		RP1D, 1,	// Root Port 1 disable
+		RP2D, 1,	// Root Port 2 disable
+		RP3D, 1,	// Root Port 3 disable
+		RP4D, 1,	// Root Port 4 disable
+		TTRD, 1,	// Thermal sensor registers disable
+		SA2D, 1,	// SATA2 disable
+		Offset(0x3428),	// FD2 (Function Disable 2)
+		BDFD, 1,	// Display BDF
+		ME1D, 1,	// ME Interface 1 disable
+		ME2D, 1,	// ME Interface 2 disable
+		IDRD, 1,	// IDE redirect disable
+		KTCT, 1,	// Keyboard Text redirect disable
+	}
+}
+
+// PCI Express Ports 0:[1-4].0
+#include "pcie.asl"
+
+// USB 0:16.0
+#include "usb.asl"
+
+// LPC Bridge 0:1f.0
+#include "lpc.asl"
+
+// SATA 0:17.0
+#include "sata.asl"
+
+// SMBus 0:1f.3
+#include "smbus.asl"
+
+// IRQ routing for each PCI device
+#include "irqroute.asl"
+
+Method (_OSC, 4)
+{
+	/* Check for proper GUID */
+	If (LEqual (Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+	{
+		/* Let OS control everything */
+		Return (Arg3)
+	}
+	Else
+	{
+		/* Unrecognized UUID */
+		CreateDWordField (Arg3, 0, CDW1)
+		Or (CDW1, 4, CDW1)
+		Return (Arg3)
+	}
+}