Martin Roth (martin.roth@se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5733
-gerrit
commit bc2748eb000163d91fa9a84a0e1ed57b083498ce Author: Mike Loptien mike.loptien@se-eng.com Date: Mon May 12 21:39:04 2014 -0600
ACPI: Move irqhelper.h and irqroute.asl to arch/x86
These files end up being exactly the same for every platform so they can be moved up to arch/x86 so that they are not duplicated for every mainboard.
These are used for all of the Intel FSP platforms, the MRC-based Bay Trail platform can be modified slightly to use this and AMD platform support will be brought in shortly.
Change-Id: I2ee56c1acf9ad66c2c76f1cca00d99e8bc14eab1 Signed-off-by: Martin Roth gaumless@gmail.com --- src/arch/x86/acpi/irq_helper.h | 55 ++++++++++++++++++++++++++++++++++++++++++ src/arch/x86/acpi/irqroute.asl | 43 +++++++++++++++++++++++++++++++++ 2 files changed, 98 insertions(+)
diff --git a/src/arch/x86/acpi/irq_helper.h b/src/arch/x86/acpi/irq_helper.h new file mode 100644 index 0000000..e3a23d8 --- /dev/null +++ b/src/arch/x86/acpi/irq_helper.h @@ -0,0 +1,55 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Google Inc. + * Copyright (C) 2014 Sage Electronics 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 + */ + +/* + * This file will use arch/x86/acpi/irqroute.asl and mainboard/irqroute.h + * to generate the ACPI IRQ routing for the mainboard 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 ACPI_DEV_IRQ +#undef PCI_DEV_PIRQ_ROUTE +#undef PIRQ_PIC_ROUTES +#undef PIRQ_PIC + +#if defined(PIC_MODE) + +#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \ + Package() { ## dev_ ## ffff, pin_, _SB.PCI0.LPCB.LNK ## pin_name_, 0 } + +#else /* defined(PIC_MODE) */ + +#define ACPI_DEV_IRQ(dev_, pin_, pin_name_) \ + Package() { ## dev_ ## ffff, pin_, 0, PIRQ ## pin_name_ ## _APIC_IRQ } + +#endif + +#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_) + +/* Empty PIRQ_PIC definition. */ +#define PIRQ_PIC(pirq_, pic_irq_) + +/* Include the mainboard irq route definition */ +#include "irqroute.h" diff --git a/src/arch/x86/acpi/irqroute.asl b/src/arch/x86/acpi/irqroute.asl new file mode 100644 index 0000000..24f4d54 --- /dev/null +++ b/src/arch/x86/acpi/irqroute.asl @@ -0,0 +1,43 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2013 Google Inc. + * + * 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 + */ + +// PCI Interrupt Routing +Method(_PRT) +{ + /* + * PICM comes from _PIC, which returns the following: + * 0 – PIC mode + * 1 – APIC mode + * 2 – SAPIC mode + */ + If (PICM) { + Return (Package() { + #undef PIC_MODE + #include <arch/x86/acpi/irq_helper.h> + PCI_DEV_PIRQ_ROUTES + }) + } Else { + Return (Package() { + #define PIC_MODE + #include <arch/x86/acpi/irq_helper.h> + PCI_DEV_PIRQ_ROUTES + }) + } +}