diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/wg302v2-pci.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/wg302v2-pci.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/wg302v2-pci.c b/arch/arm/mach-ixp4xx/wg302v2-pci.c new file mode 100644 index 000000000..1247e7c67 --- /dev/null +++ b/arch/arm/mach-ixp4xx/wg302v2-pci.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * arch/arch/mach-ixp4xx/wg302v2-pci.c + * + * PCI setup routines for the Netgear WG302 v2 and WAG302 v2 + * + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org> + * + * based on coyote-pci.c: + * Copyright (C) 2002 Jungo Software Technologies. + * Copyright (C) 2003 MontaVista Software, Inc. + * + * Maintainer: Imre Kaloz <kaloz@openwrt.org> + */ + +#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/mach/pci.h> + +#include "irqs.h" + +void __init wg302v2_pci_preinit(void) +{ + irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW); + irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW); + + ixp4xx_pci_preinit(); +} + +static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (slot == 1) + return IRQ_IXP4XX_GPIO8; + else if (slot == 2) + return IRQ_IXP4XX_GPIO9; + else return -1; +} + +struct hw_pci wg302v2_pci __initdata = { + .nr_controllers = 1, + .ops = &ixp4xx_ops, + .preinit = wg302v2_pci_preinit, + .setup = ixp4xx_setup, + .map_irq = wg302v2_map_irq, +}; + +int __init wg302v2_pci_init(void) +{ + if (machine_is_wg302v2()) + pci_common_init(&wg302v2_pci); + return 0; +} + +subsys_initcall(wg302v2_pci_init); |