cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pci-ip27.c (1178B)

      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#include <asm/sn/addrs.h>
     11#include <asm/sn/types.h>
     12#include <asm/sn/klconfig.h>
     13#include <asm/sn/agent.h>
     14#include <asm/sn/ioc3.h>
     15#include <asm/pci/bridge.h>
     16
     17#ifdef CONFIG_NUMA
     18int pcibus_to_node(struct pci_bus *bus)
     19{
     20	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
     21
     22	return bc->nasid;
     23}
     24EXPORT_SYMBOL(pcibus_to_node);
     25#endif /* CONFIG_NUMA */
     26
     27static void ip29_fixup_phy(struct pci_dev *dev)
     28{
     29	int nasid = pcibus_to_node(dev->bus);
     30	u32 sid;
     31
     32	if (nasid != 1)
     33		return; /* only needed on second module */
     34
     35	/* enable ethernet PHY on IP29 systemboard */
     36	pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &sid);
     37	if (sid == (PCI_VENDOR_ID_SGI | (IOC3_SUBSYS_IP29_SYSBOARD) << 16))
     38		REMOTE_HUB_S(nasid, MD_LED0, 0x09);
     39}
     40
     41DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
     42			ip29_fixup_phy);