projects / mirror_ubuntu-hirsute-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 1da177e4 | 2 | /* |
| f30c2269 | 3 | * arch/arm/mach-ixp4xx/ixdpg425-pci.c |
| 1da177e4 LT |
4 | * |
| 5 | * PCI setup routines for Intel IXDPG425 Platform | |
| 6 | * | |
| 7 | * Copyright (C) 2004 MontaVista Softwrae, Inc. | |
| 8 | * | |
| 9 | * Maintainer: Deepak Saxena <dsaxena@plexity.net> | |
| 1da177e4 LT |
10 | */ |
| 11 | ||
| 12 | #include <linux/kernel.h> | |
| 13 | #include <linux/pci.h> | |
| 14 | #include <linux/init.h> | |
| 698dfe2b | 15 | #include <linux/irq.h> |
| 1da177e4 LT |
16 | |
| 17 | #include <asm/mach-types.h> | |
| a09e64fb | 18 | #include <mach/hardware.h> |
| 1da177e4 LT |
19 | |
| 20 | #include <asm/mach/pci.h> | |
| 21 | ||
| dc8ef8cd LW |
22 | #include "irqs.h" |
| 23 | ||
| 1da177e4 LT |
24 | void __init ixdpg425_pci_preinit(void) |
| 25 | { | |
| 6845664a TG |
26 | irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW); |
| 27 | irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW); | |
| 1da177e4 | 28 | |
| 1da177e4 LT |
29 | ixp4xx_pci_preinit(); |
| 30 | } | |
| 31 | ||
| d5341942 | 32 | static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 1da177e4 LT |
33 | { |
| 34 | if (slot == 12 || slot == 13) | |
| 35 | return IRQ_IXP4XX_GPIO7; | |
| 36 | else if (slot == 14) | |
| 37 | return IRQ_IXP4XX_GPIO6; | |
| 38 | else return -1; | |
| 39 | } | |
| 40 | ||
| 41 | struct hw_pci ixdpg425_pci __initdata = { | |
| 42 | .nr_controllers = 1, | |
| c23bfc38 | 43 | .ops = &ixp4xx_ops, |
| 1da177e4 | 44 | .preinit = ixdpg425_pci_preinit, |
| 1da177e4 | 45 | .setup = ixp4xx_setup, |
| 1da177e4 LT |
46 | .map_irq = ixdpg425_map_irq, |
| 47 | }; | |
| 48 | ||
| 49 | int __init ixdpg425_pci_init(void) | |
| 50 | { | |
| 51 | if (machine_is_ixdpg425()) | |
| 52 | pci_common_init(&ixdpg425_pci); | |
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | subsys_initcall(ixdpg425_pci_init); |