1 files changed, 63 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h
new file mode 100644
index 000000000000..33a8489fde54
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/pci.h
@@ -0,0 +1,63 @@
+#ifndef _PLATFORMS_ISERIES_PCI_H
+#define _PLATFORMS_ISERIES_PCI_H
+
+/*
+ * Created by Allan Trautman on Tue Feb 20, 2001.
+ *
+ * Define some useful macros for the iSeries pci routines.
+ * Copyright (C) 2001  Allan H Trautman, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the:
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330,
+ * Boston, MA  02111-1307  USA
+ *
+ * Change Activity:
+ *   Created Feb 20, 2001
+ *   Added device reset, March 22, 2001
+ *   Ported to ppc64, May 25, 2001
+ * End Change Activity
+ */
+
+#include <asm/pci-bridge.h>
+
+struct pci_dev;                         /* For Forward Reference */
+
+/*
+ * Decodes Linux DevFn to iSeries DevFn, bridge device, or function.
+ * For Linux, see PCI_SLOT and PCI_FUNC in include/linux/pci.h
+ */
+
+#define ISERIES_PCI_AGENTID(idsel, func)        \
+        (((idsel & 0x0F) << 4) | (func & 0x07))
+#define ISERIES_ENCODE_DEVICE(agentid)          \
+        ((0x10) | ((agentid & 0x20) >> 2) | (agentid & 0x07))
+
+#define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus)          ((subbus >> 5) & 0x7)
+#define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus)        ((subbus >> 2) & 0x7)
+
+/*
+ * Generate a Direct Select Address for the Hypervisor
+ */
+static inline u64 iseries_ds_addr(struct device_node *node)
+{
+        struct pci_dn *pdn = PCI_DN(node);
+
+        return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40)
+                        + ((u64)0x10 << 32);
+}
+
+extern void     iSeries_Device_Information(struct pci_dev*, int);
+
+#endif /* _PLATFORMS_ISERIES_PCI_H */