From 6ab5ed3b66fc215d0d03b19ab02fdcf8613c7d09 Mon Sep 17 00:00:00 2001
From: Marshall Dawson <marshalldawson3rd@gmail.com>
Date: Wed, 29 May 2019 09:24:18 -0600
Subject: soc/amd/stoneyridge: Move LPC support to common

AMD devices traditionally have the LPC-ISA bus at 14.3 and the
definition has been very consistent.  Relocate the feature from
stoneyridge into common/block.

BUG=b:131682806

Change-Id: I8d7175b8642bb17533bb2287b3e3ee3d52e85a75
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32653
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/soc/amd/common/acpi/lpc.asl | 110 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 src/soc/amd/common/acpi/lpc.asl

(limited to 'src/soc/amd/common/acpi')

diff --git a/src/soc/amd/common/acpi/lpc.asl b/src/soc/amd/common/acpi/lpc.asl
new file mode 100644
index 0000000000..93b405619d
--- /dev/null
+++ b/src/soc/amd/common/acpi/lpc.asl
@@ -0,0 +1,110 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 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.
+ */
+
+#if MAINBOARD_HAS_SPEAKER
+#define IO61_HID "PNP0800" /* AT style speaker */
+#else
+#define IO61_HID "PNP0C02" /* reserved resource */
+#endif
+
+/* 0:14.3 - LPC */
+Device(LPCB) {
+	Name(_ADR, 0x00140003)
+
+	/* Method(_INI) {
+	*	DBGO("\\_SB\\PCI0\\LpcIsaBr\\_INI\n")
+	} */ /* End Method(_SB.SBRDG._INI) */
+
+	OperationRegion(CFG,PCI_Config,0x0,0x100) // Map PCI Configuration Space
+	Field(CFG,DWordAcc,NoLock,Preserve){
+		Offset(0xA0),
+		BAR,32}		// SPI Controller Base Address Register (Index 0xA0)
+
+	Device(LDRC)	// LPC device: Resource consumption
+	{
+		Name (_HID, EISAID("PNP0C02"))  // ID for Motherboard resources
+		Name (CRS, ResourceTemplate ()  // Current Motherboard resources
+		{
+			Memory32Fixed(ReadWrite,	// Setup for fixed resource location for SPI base address
+			0x00000000,			// Address Base
+			0x00000000,			// Address Length
+			BAR0				// Descriptor Name
+			)
+		})
+
+		Method(_CRS,0,Serialized)
+		{
+			CreateDwordField(^CRS,^BAR0._BAS,SPIB)	// Field to hold SPI base address
+			CreateDwordField(^CRS,^BAR0._LEN,SPIL)	// Field to hold SPI address length
+			Store(BAR,SPIB)		// SPI base address mapped
+			Store(0x1000,SPIL)	// 4k space mapped
+			Return(CRS)
+		}
+	}
+
+	/* Real Time Clock Device */
+	Device(RTC0) {
+		Name(_HID, EISAID("PNP0B00"))   /* AT Real Time Clock (not PIIX4 compatible) */
+		Name(_CRS, ResourceTemplate() {
+			IRQNoFlags(){8}
+			IO(Decode16,0x0070, 0x0070, 0, 2)
+		})
+	} /* End Device(_SB.PCI0.LpcIsaBr.RTC0) */
+
+	Device(TMR) {	/* Timer */
+		Name(_HID,EISAID("PNP0100"))	/* System Timer */
+		Name(_CRS, ResourceTemplate() {
+			IRQNoFlags(){0}
+			IO(Decode16, 0x0040, 0x0040, 0, 4)
+		})
+	} /* End Device(_SB.PCI0.LpcIsaBr.TMR) */
+
+	Device(SPKR) {	/* Speaker */
+		Name(_HID,EISAID(IO61_HID))
+		Name(_CRS, ResourceTemplate() {
+			IO(Decode16, 0x0061, 0x0061, 0, 1)
+		})
+	} /* End Device(_SB.PCI0.LpcIsaBr.SPKR) */
+
+	Device(PIC) {
+		Name(_HID,EISAID("PNP0000"))	/* AT Interrupt Controller */
+		Name(_CRS, ResourceTemplate() {
+			IRQNoFlags(){2}
+			IO(Decode16,0x0020, 0x0020, 0, 2)
+			IO(Decode16,0x00a0, 0x00a0, 0, 2)
+		})
+	} /* End Device(_SB.PCI0.LpcIsaBr.PIC) */
+
+	Device(MAD) { /* 8257 DMA */
+		Name(_HID,EISAID("PNP0200"))	/* Hardware Device ID */
+		Name(_CRS, ResourceTemplate() {
+			DMA(Compatibility,BusMaster,Transfer8){4}
+			IO(Decode16, 0x0000, 0x0000, 0x10, 0x10)
+			IO(Decode16, 0x0081, 0x0081, 0x01, 0x03)
+			IO(Decode16, 0x0087, 0x0087, 0x01, 0x01)
+			IO(Decode16, 0x0089, 0x0089, 0x01, 0x03)
+			IO(Decode16, 0x008f, 0x008f, 0x01, 0x01)
+			IO(Decode16, 0x00c0, 0x00c0, 0x10, 0x20)
+		}) /* End Name(_SB.PCI0.LpcIsaBr.MAD._CRS) */
+	} /* End Device(_SB.PCI0.LpcIsaBr.MAD) */
+
+	Device(COPR) {
+		Name(_HID,EISAID("PNP0C04"))	/* Math Coprocessor */
+		Name(_CRS, ResourceTemplate() {
+			IO(Decode16, 0x00f0, 0x00f0, 0, 0x10)
+			IRQNoFlags(){13}
+		})
+	} /* End Device(_SB.PCI0.LpcIsaBr.COPR) */
+} /* end LPCB */
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