diff options
Diffstat (limited to 'arch/mips/pci/fixup-ite8172g.c')
| -rw-r--r-- | arch/mips/pci/fixup-ite8172g.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ite8172g.c b/arch/mips/pci/fixup-ite8172g.c new file mode 100644 index 000000000000..2290ea4228dd --- /dev/null +++ b/arch/mips/pci/fixup-ite8172g.c @@ -0,0 +1,80 @@ +/* + * BRIEF MODULE DESCRIPTION + * Board specific pci fixups. + * + * Copyright 2000 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ppopov@mvista.com or source@mvista.com + * + * 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/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/it8172/it8172.h> +#include <asm/it8172/it8172_pci.h> +#include <asm/it8172/it8172_int.h> + +/* + * Shortcuts + */ +#define INTA IT8172_PCI_INTA_IRQ +#define INTB IT8172_PCI_INTB_IRQ +#define INTC IT8172_PCI_INTC_IRQ +#define INTD IT8172_PCI_INTD_IRQ + +static const int internal_func_irqs[7] __initdata = { + IT8172_AC97_IRQ, + IT8172_DMA_IRQ, + IT8172_CDMA_IRQ, + IT8172_USB_IRQ, + IT8172_BRIDGE_MASTER_IRQ, + IT8172_IDE_IRQ, + IT8172_MC68K_IRQ +}; + +static char irq_tab_ite8172g[][5] __initdata = { + [0x10] = { 0, INTA, INTB, INTC, INTD }, + [0x11] = { 0, INTA, INTB, INTC, INTD }, + [0x12] = { 0, INTB, INTC, INTD, INTA }, + [0x13] = { 0, INTC, INTD, INTA, INTB }, + [0x14] = { 0, INTD, INTA, INTB, INTC }, +}; + +int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + /* + * Internal device 1 is actually 7 different internal devices on the + * IT8172G (a multifunction device). + */ + if (slot == 1) + return internal_func_irqs[PCI_FUNC(dev->devfn)]; + + return irq_tab_ite8172g[slot][pin]; +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} |