/* * arch/arm/mach-ixp4xx/coyote-pci.c * * PCI setup routines for ADI Engineering Coyote platform * * Copyright (C) 2002 Jungo Software Technologies. * Copyright (C) 2003 MontaVista Softwrae, Inc. * * Maintainer: Deepak Saxena <dsaxena@mvista.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/irq.h> #include <asm/mach-types.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/pci.h> #define SLOT0_DEVID 14 #define SLOT1_DEVID 15 /* PCI controller GPIO to IRQ pin mappings */ #define SLOT0_INTA 6 #define SLOT1_INTA 11 void __init coyote_pci_preinit(void) { irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW); irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW); ixp4xx_pci_preinit(); } static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { if (slot == SLOT0_DEVID) return IXP4XX_GPIO_IRQ(SLOT0_INTA); else if (slot == SLOT1_DEVID) return IXP4XX_GPIO_IRQ(SLOT1_INTA); else return -1; } struct hw_pci coyote_pci __initdata = { .nr_controllers = 1, .ops = &ixp4xx_ops, .preinit = coyote_pci_preinit, .setup = ixp4xx_setup, .map_irq = coyote_map_irq, }; int __init coyote_pci_init(void) { if (machine_is_adi_coyote()) pci_common_init(&coyote_pci); return 0; } subsys_initcall(coyote_pci_init);