From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c | 59 +++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c (limited to 'ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c') diff --git a/ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c new file mode 100644 index 00000000..34efe750 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-ixp4xx/ixdpg425-pci.c @@ -0,0 +1,59 @@ +/* + * arch/arm/mach-ixp4xx/ixdpg425-pci.c + * + * PCI setup routines for Intel IXDPG425 Platform + * + * Copyright (C) 2004 MontaVista Softwrae, Inc. + * + * Maintainer: Deepak Saxena + * + * 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 +#include +#include +#include + +#include +#include + +#include + +void __init ixdpg425_pci_preinit(void) +{ + irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW); + irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW); + + ixp4xx_pci_preinit(); +} + +static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (slot == 12 || slot == 13) + return IRQ_IXP4XX_GPIO7; + else if (slot == 14) + return IRQ_IXP4XX_GPIO6; + else return -1; +} + +struct hw_pci ixdpg425_pci __initdata = { + .nr_controllers = 1, + .preinit = ixdpg425_pci_preinit, + .swizzle = pci_std_swizzle, + .setup = ixp4xx_setup, + .scan = ixp4xx_scan_bus, + .map_irq = ixdpg425_map_irq, +}; + +int __init ixdpg425_pci_init(void) +{ + if (machine_is_ixdpg425()) + pci_common_init(&ixdpg425_pci); + return 0; +} + +subsys_initcall(ixdpg425_pci_init); -- cgit