xref: /linux/arch/mips/pci/pci-ip27.c (revision dbcedec3a31119d7594baacc743300d127c99c56)
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);
46