diff options
Diffstat (limited to 'arch/mips/pci/fixup-emma2rh.c')
-rw-r--r-- | arch/mips/pci/fixup-emma2rh.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c deleted file mode 100644 index 2541f9bc12de..000000000000 --- a/arch/mips/pci/fixup-emma2rh.c +++ /dev/null @@ -1,84 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) NEC Electronics Corporation 2004-2006 - * - * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c - * - * Copyright 2001 MontaVista Software Inc. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/pci.h> - -#include <asm/bootinfo.h> - -#include <asm/emma/emma2rh.h> - -#define EMMA2RH_PCI_HOST_SLOT 0x09 -#define EMMA2RH_USB_SLOT 0x03 -#define PCI_DEVICE_ID_NEC_EMMA2RH 0x014b /* EMMA2RH PCI Host */ - -/* - * we fix up irqs based on the slot number. - * The first entry is at AD:11. - * Fortunately this works because, although we have two pci buses, - * they all have different slot numbers (except for rockhopper slot 20 - * which is handled below). - * - */ - -#define MAX_SLOT_NUM 10 -static unsigned char irq_map[][5] = { - [3] = {0, MARKEINS_PCI_IRQ_INTB, MARKEINS_PCI_IRQ_INTC, - MARKEINS_PCI_IRQ_INTD, 0,}, - [4] = {0, MARKEINS_PCI_IRQ_INTA, 0, 0, 0,}, - [5] = {0, 0, 0, 0, 0,}, - [6] = {0, MARKEINS_PCI_IRQ_INTC, MARKEINS_PCI_IRQ_INTD, - MARKEINS_PCI_IRQ_INTA, MARKEINS_PCI_IRQ_INTB,}, -}; - -static void nec_usb_controller_fixup(struct pci_dev *dev) -{ - if (PCI_SLOT(dev->devfn) == EMMA2RH_USB_SLOT) - /* on board USB controller configuration */ - pci_write_config_dword(dev, 0xe4, 1 << 5); -} - -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, - nec_usb_controller_fixup); - -/* - * Prevent the PCI layer from seeing the resources allocated to this device - * if it is the host bridge by marking it as such. These resources are of - * no consequence to the PCI layer (they are handled elsewhere). - */ -static void emma2rh_pci_host_fixup(struct pci_dev *dev) -{ - int i; - - if (PCI_SLOT(dev->devfn) == EMMA2RH_PCI_HOST_SLOT) { - dev->class &= 0xff; - dev->class |= PCI_CLASS_BRIDGE_HOST << 8; - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - dev->resource[i].start = 0; - dev->resource[i].end = 0; - dev->resource[i].flags = 0; - } - } -} - -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_EMMA2RH, - emma2rh_pci_host_fixup); - -int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - return irq_map[slot][pin]; -} - -/* Do platform specific device initialization at pci_enable_device() time */ -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - return 0; -} |