diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/avila-pci.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/avila-pci.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/arm/mach-ixp4xx/avila-pci.c b/arch/arm/mach-ixp4xx/avila-pci.c deleted file mode 100644 index 2e5996a96dd3..000000000000 --- a/arch/arm/mach-ixp4xx/avila-pci.c +++ /dev/null @@ -1,79 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-ixp4xx/avila-pci.c - * - * Gateworks Avila board-level PCI initialization - * - * Author: Michael-Luke Jones <mlj28@cam.ac.uk> - * - * Based on ixdp-pci.c - * Copyright (C) 2002 Intel Corporation. - * Copyright (C) 2003-2004 MontaVista Software, Inc. - * - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/delay.h> -#include <asm/mach/pci.h> -#include <asm/irq.h> -#include <mach/hardware.h> -#include <asm/mach-types.h> - -#include "irqs.h" - -#define AVILA_MAX_DEV 4 -#define LOFT_MAX_DEV 6 -#define IRQ_LINES 4 - -/* PCI controller GPIO to IRQ pin mappings */ -#define INTA 11 -#define INTB 10 -#define INTC 9 -#define INTD 8 - -void __init avila_pci_preinit(void) -{ - irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW); - irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW); - irq_set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW); - irq_set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW); - ixp4xx_pci_preinit(); -} - -static int __init avila_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - static int pci_irq_table[IRQ_LINES] = { - IXP4XX_GPIO_IRQ(INTA), - IXP4XX_GPIO_IRQ(INTB), - IXP4XX_GPIO_IRQ(INTC), - IXP4XX_GPIO_IRQ(INTD) - }; - - if (slot >= 1 && - slot <= (machine_is_loft() ? LOFT_MAX_DEV : AVILA_MAX_DEV) && - pin >= 1 && pin <= IRQ_LINES) - return pci_irq_table[(slot + pin - 2) % 4]; - - return -1; -} - -struct hw_pci avila_pci __initdata = { - .nr_controllers = 1, - .ops = &ixp4xx_ops, - .preinit = avila_pci_preinit, - .setup = ixp4xx_setup, - .map_irq = avila_map_irq, -}; - -int __init avila_pci_init(void) -{ - if (machine_is_avila() || machine_is_loft()) - pci_common_init(&avila_pci); - return 0; -} - -subsys_initcall(avila_pci_init); |