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authorThomas Bogendoerfer <tbogendoerfer@suse.de>2019-10-15 14:09:51 +0200
committerPaul Burton <paulburton@kernel.org>2019-11-23 14:20:30 -0800
commita8d0f11ee50ddbd9f243c7a8b1a393a4f23ba093 (patch)
tree871dd435401079cb450627e3e0da075aa6e78b3a /arch
parent29b261ff6fd963da2de0e436ce03fff333740f35 (diff)
MIPS: SGI-IP27: Enable ethernet phy on second Origin 200 module
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 <tbogendoerfer@suse.de> Signed-off-by: Paul Burton <paulburton@kernel.org> Cc: Jakub Kicinski <jakub.kicinski@netronome.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Lee Jones <lee.jones@linaro.org> Cc: David S. Miller <davem@davemloft.net> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.com> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: netdev@vger.kernel.org Cc: linux-rtc@vger.kernel.org Cc: linux-serial@vger.kernel.org
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/pci/pci-ip27.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 45a0be40c0c3..8e26b120f994 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -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);