xref: /openbmc/linux/arch/mips/pci/pci-ip27.c (revision b78e9d63)
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
pcibus_to_node(struct pci_bus * bus)18 int pcibus_to_node(struct pci_bus *bus)
19 {
20 	struct bridge_controller *bc = BRIDGE_CONTROLLER(bus);
21 
22 	return bc->nasid;
23 }
24 EXPORT_SYMBOL(pcibus_to_node);
25 #endif /* CONFIG_NUMA */
26 
ip29_fixup_phy(struct pci_dev * dev)27 static 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 
41 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
42 			ip29_fixup_phy);
43