upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/x86/include/asm/acpi/irq_helper.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* 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
*/
/*
* 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 <asm/arch/acpi/irqroute.h>