projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 1da177e4 | 2 | /* |
| f30c2269 | 3 | * arch/arm/mach-ixp4xx/coyote-pci.c |
| 1da177e4 LT |
4 | * |
| 5 | * PCI setup routines for ADI Engineering Coyote platform | |
| 6 | * | |
| 7 | * Copyright (C) 2002 Jungo Software Technologies. | |
| 8 | * Copyright (C) 2003 MontaVista Softwrae, Inc. | |
| 9 | * | |
| 10 | * Maintainer: Deepak Saxena <dsaxena@mvista.com> | |
| 1da177e4 LT |
11 | */ |
| 12 | ||
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/pci.h> | |
| 15 | #include <linux/init.h> | |
| 698dfe2b | 16 | #include <linux/irq.h> |
| 1da177e4 | 17 | #include <asm/mach-types.h> |
| a09e64fb | 18 | #include <mach/hardware.h> |
| 1da177e4 | 19 | #include <asm/irq.h> |
| 1da177e4 LT |
20 | #include <asm/mach/pci.h> |
| 21 | ||
| dc8ef8cd LW |
22 | #include "irqs.h" |
| 23 | ||
| 8d3fdf31 KH |
24 | #define SLOT0_DEVID 14 |
| 25 | #define SLOT1_DEVID 15 | |
| f89f4490 KH |
26 | |
| 27 | /* PCI controller GPIO to IRQ pin mappings */ | |
| 8d3fdf31 KH |
28 | #define SLOT0_INTA 6 |
| 29 | #define SLOT1_INTA 11 | |
| f89f4490 | 30 | |
| 1da177e4 LT |
31 | void __init coyote_pci_preinit(void) |
| 32 | { | |
| 6845664a TG |
33 | irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW); |
| 34 | irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW); | |
| 1da177e4 LT |
35 | ixp4xx_pci_preinit(); |
| 36 | } | |
| 37 | ||
| d5341942 | 38 | static int __init coyote_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 1da177e4 | 39 | { |
| 8d3fdf31 KH |
40 | if (slot == SLOT0_DEVID) |
| 41 | return IXP4XX_GPIO_IRQ(SLOT0_INTA); | |
| 42 | else if (slot == SLOT1_DEVID) | |
| 43 | return IXP4XX_GPIO_IRQ(SLOT1_INTA); | |
| 1da177e4 LT |
44 | else return -1; |
| 45 | } | |
| 46 | ||
| 47 | struct hw_pci coyote_pci __initdata = { | |
| 48 | .nr_controllers = 1, | |
| c23bfc38 | 49 | .ops = &ixp4xx_ops, |
| 1da177e4 | 50 | .preinit = coyote_pci_preinit, |
| 1da177e4 | 51 | .setup = ixp4xx_setup, |
| 1da177e4 LT |
52 | .map_irq = coyote_map_irq, |
| 53 | }; | |
| 54 | ||
| 55 | int __init coyote_pci_init(void) | |
| 56 | { | |
| 57 | if (machine_is_adi_coyote()) | |
| 58 | pci_common_init(&coyote_pci); | |
| 59 | return 0; | |
| 60 | } | |
| 61 | ||
| 62 | subsys_initcall(coyote_pci_init); |