| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * arch/arch/mach-ixp4xx/wg302v2-pci.c |
| 3 | * |
| 4 | * PCI setup routines for the Netgear WG302 v2 and WAG302 v2 |
| 5 | * |
| 6 | * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org> |
| 7 | * |
| 8 | * based on coyote-pci.c: |
| 9 | * Copyright (C) 2002 Jungo Software Technologies. |
| 10 | * Copyright (C) 2003 MontaVista Software, Inc. |
| 11 | * |
| 12 | * Maintainer: Imre Kaloz <kaloz@openwrt.org> |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License version 2 as |
| 16 | * published by the Free Software Foundation. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/pci.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/irq.h> |
| 24 | |
| 25 | #include <asm/mach-types.h> |
| 26 | #include <mach/hardware.h> |
| 27 | |
| 28 | #include <asm/mach/pci.h> |
| 29 | |
| 30 | void __init wg302v2_pci_preinit(void) |
| 31 | { |
| 32 | irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW); |
| 33 | irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW); |
| 34 | |
| 35 | ixp4xx_pci_preinit(); |
| 36 | } |
| 37 | |
| 38 | static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 39 | { |
| 40 | if (slot == 1) |
| 41 | return IRQ_IXP4XX_GPIO8; |
| 42 | else if (slot == 2) |
| 43 | return IRQ_IXP4XX_GPIO9; |
| 44 | else return -1; |
| 45 | } |
| 46 | |
| 47 | struct hw_pci wg302v2_pci __initdata = { |
| 48 | .nr_controllers = 1, |
| 49 | .ops = &ixp4xx_ops, |
| 50 | .preinit = wg302v2_pci_preinit, |
| 51 | .setup = ixp4xx_setup, |
| 52 | .map_irq = wg302v2_map_irq, |
| 53 | }; |
| 54 | |
| 55 | int __init wg302v2_pci_init(void) |
| 56 | { |
| 57 | if (machine_is_wg302v2()) |
| 58 | pci_common_init(&wg302v2_pci); |
| 59 | return 0; |
| 60 | } |
| 61 | |
| 62 | subsys_initcall(wg302v2_pci_init); |