diff options
Diffstat (limited to 'arch/frv/mb93090-mb00/pci-irq.c')
-rw-r--r-- | arch/frv/mb93090-mb00/pci-irq.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/arch/frv/mb93090-mb00/pci-irq.c b/arch/frv/mb93090-mb00/pci-irq.c deleted file mode 100644 index a40aa8663056..000000000000 --- a/arch/frv/mb93090-mb00/pci-irq.c +++ /dev/null @@ -1,62 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* pci-irq.c: PCI IRQ routing on the FRV motherboard - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * derived from: arch/i386/kernel/pci-irq.c: (c) 1999--2000 Martin Mares <mj@suse.cz> - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/irq.h> - -#include <asm/io.h> -#include <asm/smp.h> - -#include "pci-frv.h" - -/* - * DEVICE DEVNO INT#A INT#B INT#C INT#D - * ======= ======= ======= ======= ======= ======= - * MB86943 0 fpga.10 - - - - * RTL8029 16 fpga.12 - - - - * SLOT 1 19 fpga.6 fpga.5 fpga.4 fpga.3 - * SLOT 2 18 fpga.5 fpga.4 fpga.3 fpga.6 - * SLOT 3 17 fpga.4 fpga.3 fpga.6 fpga.5 - * - */ - -static const uint8_t __initconst pci_bus0_irq_routing[32][4] = { - [0 ] = { IRQ_FPGA_MB86943_PCI_INTA }, - [16] = { IRQ_FPGA_RTL8029_INTA }, - [17] = { IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB }, - [18] = { IRQ_FPGA_PCI_INTB, IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA }, - [19] = { IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB, IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD }, -}; - -void __init pcibios_irq_init(void) -{ -} - -void __init pcibios_fixup_irqs(void) -{ - struct pci_dev *dev = NULL; - uint8_t line, pin; - - for_each_pci_dev(dev) { - pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); - if (pin) { - dev->irq = pci_bus0_irq_routing[PCI_SLOT(dev->devfn)][pin - 1]; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - } - pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line); - } -} - -void pcibios_enable_irq(struct pci_dev *dev) -{ - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); -} |