diff options
Diffstat (limited to 'src/arch/x86/include/arch/pirq_routing.h')
| -rw-r--r-- | src/arch/x86/include/arch/pirq_routing.h | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/src/arch/x86/include/arch/pirq_routing.h b/src/arch/x86/include/arch/pirq_routing.h index 08ba53506d..c5be5f49ae 100644 --- a/src/arch/x86/include/arch/pirq_routing.h +++ b/src/arch/x86/include/arch/pirq_routing.h @@ -1,6 +1,35 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com> + * Copyright (C) 2012 Patrick Georgi <patrick@georgi-clan.de> + * Copyright (C) 2010 Stefan Reinauer <stepan@coreboot.org> + * + * 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, either version 2 of the License, or + * (at your option) any later version. + * + * 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, see <http://www.gnu.org/licenses/>. + */ #ifndef ARCH_PIRQ_ROUTING_H #define ARCH_PIRQ_ROUTING_H +/* This is the maximum number on interrupt entries that a PCI device may have. + * This is NOT the number of slots or devices in the system + * This is NOT the number of entries in the PIRQ table + * This tells us that in the PIRQ table, we are going to have 4 link-bitmap + * entries per PCI device + * It is fixed at 4: INTA, INTB, INTC, and INTD + * CAUTION: If you change this, pirq_routing will not work correctly*/ +#define MAX_INTX_ENTRIES 4 + #if CONFIG_GENERATE_PIRQ_TABLE #include <stdint.h> @@ -40,10 +69,10 @@ unsigned long copy_pirq_routing_table(unsigned long start); unsigned long write_pirq_routing_table(unsigned long start); #if CONFIG_PIRQ_ROUTE -void pirq_routing_irqs(unsigned long start); -void pirq_assign_irqs(const unsigned char pIntAtoD[4]); +void pirq_route_irqs(unsigned long start); +void pirq_assign_irqs(const unsigned char pirq[CONFIG_MAX_PIRQ_LINKS]); #else -#define pirq_routing_irqs(start) {} +#define pirq_route_irqs(start) {} #endif #else |