| /* |
| * 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); |