sh: Kill off the rest of arch/sh64/kernel/.

[pandora-kernel.git] / arch / sh64 / kernel / pcibios.c

diff --git a/arch/sh64/kernel/pcibios.c b/arch/sh64/kernel/pcibios.c
deleted file mode 100644 (file)
index 945920b..0000000
--- a/arch/sh64/kernel/pcibios.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * $Id: pcibios.c,v 1.1 2001/08/24 12:38:19 dwmw2 Exp $
- *
- * arch/sh/kernel/pcibios.c
- *
- * Copyright (C) 2002 STMicroelectronics Limited
- *   Author : David J. McKay
- *
- * Copyright (C) 2004 Richard Curnow, SuperH UK Limited
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- * This is GPL'd.
- *
- * Provided here are generic versions of:
- *     pcibios_update_resource()
- *     pcibios_align_resource()
- *     pcibios_enable_device()
- *     pcibios_set_master()
- *     pcibios_update_irq()
- *
- * These functions are collected here to reduce duplication of common
- * code amongst the many platform-specific PCI support code files.
- *
- * Platform-specific files are expected to provide:
- *     pcibios_fixup_bus()
- *     pcibios_init()
- *     pcibios_setup()
- *     pcibios_fixup_pbus_ranges()
- */
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-
-void
-pcibios_update_resource(struct pci_dev *dev, struct resource *root,
-                       struct resource *res, int resource)
-{
-       u32 new, check;
-       int reg;
-
-       new = res->start | (res->flags & PCI_REGION_FLAG_MASK);
-       if (resource < 6) {
-               reg = PCI_BASE_ADDRESS_0 + 4*resource;
-       } else if (resource == PCI_ROM_RESOURCE) {
-               res->flags |= IORESOURCE_ROM_ENABLE;
-               new |= PCI_ROM_ADDRESS_ENABLE;
-               reg = dev->rom_base_reg;
-       } else {
-               /* Somebody might have asked allocation of a non-standard resource */
-               return;
-       }
-
-       pci_write_config_dword(dev, reg, new);
-       pci_read_config_dword(dev, reg, &check);
-       if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ? PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) {
-               printk(KERN_ERR "PCI: Error while updating region "
-                      "%s/%d (%08x != %08x)\n", pci_name(dev), resource,
-                      new, check);
-       }
-}
-
-/*
- * We need to avoid collisions with `mirrored' VGA ports
- * and other strange ISA hardware, so we always want the
- * addresses to be allocated in the 0x000-0x0ff region
- * modulo 0x400.
- */
-void pcibios_align_resource(void *data, struct resource *res,
-                           resource_size_t size, resource_size_t align)
-{
-       if (res->flags & IORESOURCE_IO) {
-               resource_size_t start = res->start;
-
-               if (start & 0x300) {
-                       start = (start + 0x3ff) & ~0x3ff;
-                       res->start = start;
-               }
-       }
-}
-
-static void pcibios_enable_bridge(struct pci_dev *dev)
-{
-       struct pci_bus *bus = dev->subordinate;
-       u16 cmd, old_cmd;
-
-       pci_read_config_word(dev, PCI_COMMAND, &cmd);
-       old_cmd = cmd;
-
-       if (bus->resource[0]->flags & IORESOURCE_IO) {
-               cmd |= PCI_COMMAND_IO;
-       }
-       if ((bus->resource[1]->flags & IORESOURCE_MEM) ||
-           (bus->resource[2]->flags & IORESOURCE_PREFETCH)) {
-               cmd |= PCI_COMMAND_MEMORY;
-       }
-
-       if (cmd != old_cmd) {
-               pci_write_config_word(dev, PCI_COMMAND, cmd);
-       }
-
-       printk("PCI bridge %s, command register -> %04x\n",
-               pci_name(dev), cmd);
-
-}
-
-
-
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
-       u16 cmd, old_cmd;
-       int idx;
-       struct resource *r;
-
-       if ((dev->class >> 8) == PCI_CLASS_BRIDGE_PCI) {
-               pcibios_enable_bridge(dev);
-       }
-
-       pci_read_config_word(dev, PCI_COMMAND, &cmd);
-       old_cmd = cmd;
-       for(idx=0; idx<6; idx++) {
-               if (!(mask & (1 << idx)))
-                       continue;
-               r = &dev->resource[idx];
-               if (!r->start && r->end) {
-                       printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev));
-                       return -EINVAL;
-               }
-               if (r->flags & IORESOURCE_IO)
-                       cmd |= PCI_COMMAND_IO;
-               if (r->flags & IORESOURCE_MEM)
-                       cmd |= PCI_COMMAND_MEMORY;
-       }
-       if (dev->resource[PCI_ROM_RESOURCE].start)
-               cmd |= PCI_COMMAND_MEMORY;
-       if (cmd != old_cmd) {
-               printk(KERN_INFO "PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd);
-               pci_write_config_word(dev, PCI_COMMAND, cmd);
-       }
-       return 0;
-}
-
-/*
- *  If we set up a device for bus mastering, we need to check and set
- *  the latency timer as it may not be properly set.
- */
-unsigned int pcibios_max_latency = 255;
-
-void pcibios_set_master(struct pci_dev *dev)
-{
-       u8 lat;
-       pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
-       if (lat < 16)
-               lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
-       else if (lat > pcibios_max_latency)
-               lat = pcibios_max_latency;
-       else
-               return;
-       printk(KERN_INFO "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat);
-       pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
-}
-
-void __init pcibios_update_irq(struct pci_dev *dev, int irq)
-{
-       pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}