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MIPS: SGI-IP27: Enable ethernet phy on second Origin 200 module

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PROM only enables ethernet PHY on first Origin 200 module, so we must
do it ourselves for the second module.

Signed-off-by: Thomas Bogendoerfer <[email protected]>
Signed-off-by: Paul Burton <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: Srinivas Kandagatla <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Alexandre Belloni <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
This commit is contained in:
Thomas Bogendoerfer authored and Paul Burton committed 2019-11-23 14:20:30 -08:00
1 parent 29b261ff6f
commit a8d0f11ee5
1 file changed
+22
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arch/mips/pci/pci-ip27.c
+22
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@@ -7,6 +7,11 @@
* Copyright (C) 1999, 2000, 04 Ralf Baechle (ralf@linux-mips.org)
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#include <asm/sn/addrs.h>
#include <asm/sn/types.h>
#include <asm/sn/klconfig.h>
#include <asm/sn/hub.h>
#include <asm/sn/ioc3.h>
#include <asm/pci/bridge.h>
#ifdef CONFIG_NUMA
@@ -18,3 +23,20 @@ int pcibus_to_node(struct pci_bus *bus)
}
EXPORT_SYMBOL(pcibus_to_node);
#endif /* CONFIG_NUMA */
static void ip29_fixup_phy(struct pci_dev *dev)
{
int nasid = pcibus_to_node(dev->bus);
u32 sid;
if (nasid != 1)
return; /* only needed on second module */
/* enable ethernet PHY on IP29 systemboard */
pci_read_config_dword(dev, PCI_SUBSYSTEM_VENDOR_ID, &sid);
if (sid == (PCI_VENDOR_ID_SGI | (IOC3_SUBSYS_IP29_SYSBOARD) << 16))
REMOTE_HUB_S(nasid, MD_LED0, 0x09);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3,
ip29_fixup_phy);