/* * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de> * * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * 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., * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/errno.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/module.h> #include <linux/smp.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/ssb/ssb.h> #include <asm/cpu.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/irq_cpu.h> extern struct ssb_bus ssb; void plat_irq_dispatch(void) { u32 cause; cause = read_c0_cause() & read_c0_status() & CAUSEF_IP; clear_c0_status(cause); if (cause & CAUSEF_IP7) do_IRQ(7); if (cause & CAUSEF_IP2) do_IRQ(2); if (cause & CAUSEF_IP3) do_IRQ(3); if (cause & CAUSEF_IP4) do_IRQ(4); if (cause & CAUSEF_IP5) do_IRQ(5); if (cause & CAUSEF_IP6) do_IRQ(6); } void __init arch_init_irq(void) { mips_cpu_irq_init(); } int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int res; res = ssb_pcibios_map_irq(dev, slot, pin); if (res < 0) { printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n", dev->dev.bus_id); return 0; } /* IRQ-0 and IRQ-1 are software interrupts. */ WARN_ON((res == 0) || (res == 1)); return res; }