x86: acpi: Make irqroute.asl common

The irqroute.asl file is already common enough to all x86 platforms.
Platform ASL files need only provide a irqroute.h to describe how
internal PCI devices and PCIe downstream port devices' INTx pins are
routed to which PIRQ pin.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

3 files changed, 1 insertions, 160 deletions

diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h b/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h
deleted file mode 100644
index 2c3585a..0000000
--- a/arch/x86/include/asm/arch-baytrail/acpi/irq_helper.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2014 Sage Electronics Engineering, LLC.
- * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
- *
- * Modified from coreboot src/soc/intel/baytrail/include/soc/irq_helper.h
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * This file intentionally gets included multiple times, to set pic and apic
- * modes, so should not have guard statements added.
- */
-
-/*
- * This file will use irqroute.asl and irqroute.h to generate the ACPI IRQ
- * routing for the platform being compiled.
- *
- * This method uses #defines in irqroute.h along with the macros contained
- * in this file to generate an IRQ routing for each PCI device in the system.
- */
-
-#undef PCI_DEV_PIRQ_ROUTES
-#undef PCI_DEV_PIRQ_ROUTE
-#undef ACPI_DEV_IRQ
-#undef PCIE_BRIDGE_DEV
-#undef RP_IRQ_ROUTES
-#undef ROOTPORT_METHODS
-#undef ROOTPORT_IRQ_ROUTES
-#undef RP_METHOD
-
-#if defined(PIC_MODE)
-
-#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \
-	Package() { ## dev_ ## ffff, pin_, \_SB.PCI0.LPCB.LNK ## pin_name_, 0 }
-
-#define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \
-Name(prefix_ ## func_ ## P, Package() \
-{ \
-	ACPI_DEV_IRQ(0x0000, 0, a_), \
-	ACPI_DEV_IRQ(0x0000, 1, b_), \
-	ACPI_DEV_IRQ(0x0000, 2, c_), \
-	ACPI_DEV_IRQ(0x0000, 3, d_), \
-})
-
-/* define as blank so ROOTPORT_METHODS only gets inserted once */
-#define ROOTPORT_METHODS(prefix_, dev_)
-
-#else /* defined(PIC_MODE) */
-
-#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \
-	Package() { ## dev_ ## ffff, pin_, 0, PIRQ ## pin_name_ ## _APIC_IRQ }
-
-#define RP_IRQ_ROUTES(prefix_, func_, a_, b_, c_, d_) \
-Name(prefix_ ## func_ ## A, Package() \
-{ \
-	ACPI_DEV_IRQ(0x0000, 0, a_), \
-	ACPI_DEV_IRQ(0x0000, 1, b_), \
-	ACPI_DEV_IRQ(0x0000, 2, c_), \
-	ACPI_DEV_IRQ(0x0000, 3, d_), \
-})
-
-#define ROOTPORT_METHODS(prefix_, dev_) \
-	RP_METHOD(prefix_, dev_, 0) \
-	RP_METHOD(prefix_, dev_, 1) \
-	RP_METHOD(prefix_, dev_, 2) \
-	RP_METHOD(prefix_, dev_, 3) \
-	RP_METHOD(prefix_, dev_, 4) \
-	RP_METHOD(prefix_, dev_, 5) \
-	RP_METHOD(prefix_, dev_, 6) \
-	RP_METHOD(prefix_, dev_, 7)
-
-#endif /* defined(PIC_MODE) */
-
-#define PCI_DEV_PIRQ_ROUTE(dev_, a_, b_, c_, d_) \
-	ACPI_DEV_IRQ(dev_, 0, a_), \
-	ACPI_DEV_IRQ(dev_, 1, b_), \
-	ACPI_DEV_IRQ(dev_, 2, c_), \
-	ACPI_DEV_IRQ(dev_, 3, d_)
-
-#define PCIE_BRIDGE_DEV(prefix_, dev_, a_, b_, c_, d_) \
-	ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \
-	ROOTPORT_METHODS(prefix_, dev_)
-
-#define ROOTPORT_IRQ_ROUTES(prefix_, a_, b_, c_, d_) \
-	RP_IRQ_ROUTES(prefix_, 0, a_, b_, c_, d_) \
-	RP_IRQ_ROUTES(prefix_, 1, b_, c_, d_, a_) \
-	RP_IRQ_ROUTES(prefix_, 2, c_, d_, a_, b_) \
-	RP_IRQ_ROUTES(prefix_, 3, d_, a_, b_, c_) \
-	RP_IRQ_ROUTES(prefix_, 4, a_, b_, c_, d_) \
-	RP_IRQ_ROUTES(prefix_, 5, b_, c_, d_, a_) \
-	RP_IRQ_ROUTES(prefix_, 6, c_, d_, a_, b_) \
-	RP_IRQ_ROUTES(prefix_, 7, d_, a_, b_, c_)
-
-#define RP_METHOD(prefix_, dev_, func_)\
-Device (prefix_ ## 0 ## func_) \
-{ \
-	Name(_ADR, dev_ ## 000 ## func_) \
-	Name(_PRW, Package() { 0, 0 }) \
-	Method(_PRT) { \
-		If (PICM) { \
-			Return (prefix_ ## func_ ## A) \
-		} Else { \
-			Return (prefix_ ## func_ ## P) \
-		} \
-	} \
-}
-
-/* SoC specific PIRQ route configuration */
-#include "irqroute.h"
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl b/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl
deleted file mode 100644
index 64d3820..0000000
--- a/arch/x86/include/asm/arch-baytrail/acpi/irqroute.asl
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2007-2009 coresystems GmbH
- * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
- *
- * Modified from coreboot src/soc/intel/baytrail/acpi/irqroute.asl
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-Name(\PICM, 0)
-
-/*
- * 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)
-}
-
-/* PCI interrupt routing */
-Method(_PRT) {
-	If (PICM) {
-		Return (Package() {
-			#undef PIC_MODE
-			#include "irq_helper.h"
-			PCI_DEV_PIRQ_ROUTES
-		})
-	} Else {
-		Return (Package() {
-			#define PIC_MODE
-			#include "irq_helper.h"
-			PCI_DEV_PIRQ_ROUTES
-		})
-	}
-
-}
-
-/* PCIe downstream ports interrupt routing */
-PCIE_BRIDGE_IRQ_ROUTES
-#undef PIC_MODE
-#include "irq_helper.h"
-PCIE_BRIDGE_IRQ_ROUTES
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl b/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl
index 34d3951..e89ff26 100644
--- a/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl
+++ b/arch/x86/include/asm/arch-baytrail/acpi/southcluster.asl
@@ -207,5 +207,5 @@ Device (PCI0)
 	#include "xhci.asl"
 
 	/* IRQ routing for each PCI device */
-	#include "irqroute.asl"
+	#include <asm/acpi/irqroute.asl>
 }