arch/mips/pci/pci-ip27.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2003 Christoph Hellwig (hch@lst.de)
   7  * Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org)
   8  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   9  */
  10
  11 #include <linux/io.h>
  12
  13 #include <asm/sn/addrs.h>
  14 #include <asm/sn/types.h>
  15 #include <asm/sn/klconfig.h>
  16 #include <asm/sn/agent.h>
  17 #include <asm/sn/ioc3.h>
  18 #include <asm/pci/bridge.h>
  19
  20 #ifdef CONFIG_NUMA
  21 int pcibus_to_node(struct pci_bus *bus)
  22 {
  23         struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
  24
  25         return bc->nasid;
  26 }
  27 EXPORT_SYMBOL(pcibus_to_node);
  28 #endif /* CONFIG_NUMA */
  29
  30 static void ip29_fixup_phy(struct pci_dev *dev)
  31 {
  32         int nasid = pcibus_to_node(dev->bus);
  33         u32 sid;
  34
  35         if (nasid != 1)
  36                 return; /* only needed on second module */
  37
  38         /* enable ethernet PHY on IP29 systemboard */
  39         pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &sid);
  40         if (sid == (PCI_VENDOR_ID_SGI | (IOC3_SUBSYS_IP29_SYSBOARD) << 16))
  41                 REMOTE_HUB_S(nasid, MD_LED0, 0x09);
  42 }
  43
  44 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
  45                         ip29_fixup_phy);