From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- arch/arm/mach-ixp4xx/ixdp425-pci.c | 84 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 arch/arm/mach-ixp4xx/ixdp425-pci.c (limited to 'arch/arm/mach-ixp4xx/ixdp425-pci.c') diff --git a/arch/arm/mach-ixp4xx/ixdp425-pci.c b/arch/arm/mach-ixp4xx/ixdp425-pci.c new file mode 100644 index 00000000000..c2ab9ebb598 --- /dev/null +++ b/arch/arm/mach-ixp4xx/ixdp425-pci.c @@ -0,0 +1,84 @@ +/* + * arch/arm/mach-ixp4xx/ixdp425-pci.c + * + * IXDP425 board-level PCI initialization + * + * Copyright (C) 2002 Intel Corporation. + * Copyright (C) 2003-2004 MontaVista Software, 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 +#include +#include + +void __init ixdp425_pci_preinit(void) +{ + gpio_line_config(IXDP425_PCI_INTA_PIN, + IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); + gpio_line_config(IXDP425_PCI_INTB_PIN, + IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); + gpio_line_config(IXDP425_PCI_INTC_PIN, + IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); + gpio_line_config(IXDP425_PCI_INTD_PIN, + IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); + + gpio_line_isr_clear(IXDP425_PCI_INTA_PIN); + gpio_line_isr_clear(IXDP425_PCI_INTB_PIN); + gpio_line_isr_clear(IXDP425_PCI_INTC_PIN); + gpio_line_isr_clear(IXDP425_PCI_INTD_PIN); + + ixp4xx_pci_preinit(); +} + +static int __init ixdp425_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + static int pci_irq_table[IXDP425_PCI_IRQ_LINES] = { + IRQ_IXDP425_PCI_INTA, + IRQ_IXDP425_PCI_INTB, + IRQ_IXDP425_PCI_INTC, + IRQ_IXDP425_PCI_INTD + }; + + int irq = -1; + + if (slot >= 1 && slot <= IXDP425_PCI_MAX_DEV && + pin >= 1 && pin <= IXDP425_PCI_IRQ_LINES) { + irq = pci_irq_table[(slot + pin - 2) % 4]; + } + + return irq; +} + +struct hw_pci ixdp425_pci __initdata = { + .nr_controllers = 1, + .preinit = ixdp425_pci_preinit, + .swizzle = pci_std_swizzle, + .setup = ixp4xx_setup, + .scan = ixp4xx_scan_bus, + .map_irq = ixdp425_map_irq, +}; + +int __init ixdp425_pci_init(void) +{ + if (machine_is_ixdp425() || machine_is_ixcdp1100() || + machine_is_avila() || machine_is_ixdp465()) + pci_common_init(&ixdp425_pci); + return 0; +} + +subsys_initcall(ixdp425_pci_init); + -- cgit v1.2.3