37 files changed, 8408 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/Kconfig b/arch/powerpc/platforms/iseries/Kconfig
new file mode 100644
index 00000000000..b57cda3a081
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/Kconfig
@@ -0,0 +1,38 @@
+config PPC_ISERIES
+        bool "IBM Legacy iSeries"
+        depends on PPC64 && PPC_BOOK3S
+        select PPC_SMP_MUXED_IPI
+        select PPC_INDIRECT_PIO
+        select PPC_INDIRECT_MMIO
+        select PPC_PCI_CHOICE if EXPERT
+
+menu "iSeries device drivers"
+        depends on PPC_ISERIES
+
+config VIODASD
+        tristate "iSeries Virtual I/O disk support"
+        depends on BLOCK
+        select VIOPATH
+        help
+          If you are running on an iSeries system and you want to use
+          virtual disks created and managed by OS/400, say Y.
+
+config VIOCD
+        tristate "iSeries Virtual I/O CD support"
+        depends on BLOCK
+        select VIOPATH
+        help
+          If you are running Linux on an IBM iSeries system and you want to
+          read a CD drive owned by OS/400, say Y here.
+
+config VIOTAPE
+        tristate "iSeries Virtual Tape Support"
+        select VIOPATH
+        help
+          If you are running Linux on an iSeries system and you want Linux
+          to read and/or write a tape drive owned by OS/400, say Y here.
+
+endmenu
+
+config VIOPATH
+        bool
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
new file mode 100644
index 00000000000..a7602b11ed9
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -0,0 +1,9 @@
+ccflags-y       := -mno-minimal-toc
+
+obj-y += exception.o
+obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o dt.o mf.o lpevents.o \
+        hvcall.o proc.o htab.o iommu.o misc.o irq.o
+obj-$(CONFIG_PCI) += pci.o
+obj-$(CONFIG_SMP) += smp.o
+obj-$(CONFIG_VIOPATH) += viopath.o vio.o
+obj-$(CONFIG_MODULES) += ksyms.o
diff --git a/arch/powerpc/platforms/iseries/call_hpt.h b/arch/powerpc/platforms/iseries/call_hpt.h
new file mode 100644
index 00000000000..8d95fe4b554
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/call_hpt.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2001  Mike Corrigan 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
+ */
+#ifndef _PLATFORMS_ISERIES_CALL_HPT_H
+#define _PLATFORMS_ISERIES_CALL_HPT_H
+
+/*
+ * This file contains the "hypervisor call" interface which is used to
+ * drive the hypervisor from the OS.
+ */
+
+#include <asm/iseries/hv_call_sc.h>
+#include <asm/iseries/hv_types.h>
+#include <asm/mmu.h>
+
+#define HvCallHptGetHptAddress          HvCallHpt +  0
+#define HvCallHptGetHptPages            HvCallHpt +  1
+#define HvCallHptSetPp                  HvCallHpt +  5
+#define HvCallHptSetSwBits              HvCallHpt +  6
+#define HvCallHptUpdate                 HvCallHpt +  7
+#define HvCallHptInvalidateNoSyncICache HvCallHpt +  8
+#define HvCallHptGet                    HvCallHpt + 11
+#define HvCallHptFindNextValid          HvCallHpt + 12
+#define HvCallHptFindValid              HvCallHpt + 13
+#define HvCallHptAddValidate            HvCallHpt + 16
+#define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18
+
+
+static inline u64 HvCallHpt_getHptAddress(void)
+{
+        return HvCall0(HvCallHptGetHptAddress);
+}
+
+static inline u64 HvCallHpt_getHptPages(void)
+{
+        return HvCall0(HvCallHptGetHptPages);
+}
+
+static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
+{
+        HvCall2(HvCallHptSetPp, hpteIndex, value);
+}
+
+static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
+{
+        HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
+}
+
+static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
+{
+        HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
+}
+
+static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson,
+                u8 bitsoff)
+{
+        u64 compressedStatus;
+
+        compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet,
+                        hpteIndex, bitson, bitsoff, 1);
+        HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
+        return compressedStatus;
+}
+
+static inline u64 HvCallHpt_findValid(struct hash_pte *hpte, u64 vpn)
+{
+        return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0);
+}
+
+static inline u64 HvCallHpt_findNextValid(struct hash_pte *hpte, u32 hpteIndex,
+                u8 bitson, u8 bitsoff)
+{
+        return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex,
+                        bitson, bitsoff);
+}
+
+static inline void HvCallHpt_get(struct hash_pte *hpte, u32 hpteIndex)
+{
+        HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
+}
+
+static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit,
+                                         struct hash_pte *hpte)
+{
+        HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r);
+}
+
+#endif /* _PLATFORMS_ISERIES_CALL_HPT_H */
diff --git a/arch/powerpc/platforms/iseries/call_pci.h b/arch/powerpc/platforms/iseries/call_pci.h
new file mode 100644
index 00000000000..dbdf69850ed
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/call_pci.h
@@ -0,0 +1,309 @@
+/*
+ * Provides the Hypervisor PCI calls for iSeries Linux Parition.