10 files changed, 86 insertions, 42 deletions

diff --git a/include/asm-ia64/checksum.h b/include/asm-ia64/checksum.h
index 1f230ff8ea81..bd40f4756ce1 100644
--- a/include/asm-ia64/checksum.h
+++ b/include/asm-ia64/checksum.h
@@ -10,23 +10,21 @@
  * This is a version of ip_compute_csum() optimized for IP headers,
  * which always checksum on 4 octet boundaries.
  */
-extern unsigned short ip_fast_csum (unsigned char * iph, unsigned int ihl);
+extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
 
 /*
  * Computes the checksum of the TCP/UDP pseudo-header returns a 16-bit
  * checksum, already complemented
  */
-extern unsigned short int csum_tcpudp_magic (unsigned long saddr,
-                                             unsigned long daddr,
+extern __sum16 csum_tcpudp_magic (__be32 saddr, __be32 daddr,
                                              unsigned short len,
                                              unsigned short proto,
-                                             unsigned int sum);
+                                             __wsum sum);
 
-extern unsigned int csum_tcpudp_nofold (unsigned long saddr,
-                                        unsigned long daddr,
+extern __wsum csum_tcpudp_nofold (__be32 saddr, __be32 daddr,
                                         unsigned short len,
                                         unsigned short proto,
-                                        unsigned int sum);
+                                        __wsum sum);
 
 /*
  * Computes the checksum of a memory block at buff, length len,
@@ -40,8 +38,7 @@ extern unsigned int csum_tcpudp_nofold (unsigned long saddr,
  *
  * it's best to have buff aligned on a 32-bit boundary
  */
-extern unsigned int csum_partial (const unsigned char * buff, int len,
-                                  unsigned int sum);
+extern __wsum csum_partial(const void *buff, int len, __wsum sum);
 
 /*
  * Same as csum_partial, but copies from src while it checksums.
@@ -49,28 +46,28 @@ extern unsigned int csum_partial (const unsigned char * buff, int len,
  * Here it is even more important to align src and dst on a 32-bit (or
  * even better 64-bit) boundary.
  */
-extern unsigned int csum_partial_copy_from_user (const char *src, char *dst,
-                                                 int len, unsigned int sum,
+extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+                                                 int len, __wsum sum,
                                                  int *errp);
 
-extern unsigned int csum_partial_copy_nocheck (const char *src, char *dst,
-                                               int len, unsigned int sum);
+extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
+                                               int len, __wsum sum);
 
 /*
  * This routine is used for miscellaneous IP-like checksums, mainly in
  * icmp.c
  */
-extern unsigned short ip_compute_csum (unsigned char *buff, int len);
+extern __sum16 ip_compute_csum(const void *buff, int len);
 
 /*
  * Fold a partial checksum without adding pseudo headers.
  */
-static inline unsigned short
-csum_fold (unsigned int sum)
+static inline __sum16 csum_fold(__wsum csum)
 {
+        u32 sum = (__force u32)csum;
         sum = (sum & 0xffff) + (sum >> 16);
         sum = (sum & 0xffff) + (sum >> 16);
-        return ~sum;
+        return (__force __sum16)~sum;
 }
 
 #endif /* _ASM_IA64_CHECKSUM_H */
diff --git a/include/asm-ia64/device.h b/include/asm-ia64/device.h
new file mode 100644
index 000000000000..3db6daf7f251
--- /dev/null
+++ b/include/asm-ia64/device.h
@@ -0,0 +1,15 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_IA64_DEVICE_H
+#define _ASM_IA64_DEVICE_H
+
+struct dev_archdata {
+#ifdef CONFIG_ACPI
+        void    *acpi_handle;
+#endif
+};
+
+#endif /* _ASM_IA64_DEVICE_H */
diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h
index 855c30af72a9..6311e168cd34 100644
--- a/include/asm-ia64/io.h
+++ b/include/asm-ia64/io.h
@@ -32,7 +32,7 @@
  */
 #define IO_SPACE_LIMIT          0xffffffffffffffffUL
 
-#define MAX_IO_SPACES_BITS              4
+#define MAX_IO_SPACES_BITS              8
 #define MAX_IO_SPACES                   (1UL << MAX_IO_SPACES_BITS)
 #define IO_SPACE_BITS                   24
 #define IO_SPACE_SIZE                   (1UL << IO_SPACE_BITS)
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 7ffbddf5306f..8f784f8e45b0 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -36,6 +36,7 @@ typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val,
 typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val,
                                         u8 size);
 typedef void ia64_mv_migrate_t(struct task_struct * task);
+typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *);
 
 /* DMA-mapping interface: */
 typedef void ia64_mv_dma_init (void);
@@ -95,6 +96,11 @@ machvec_noop_task (struct task_struct *task)
 {
 }
 
+static inline void
+machvec_noop_bus (struct pci_bus *bus)
+{
+}
+
 extern void machvec_setup (char **);
 extern void machvec_timer_interrupt (int, void *);
 extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int);
@@ -159,6 +165,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
 #  define platform_migrate              ia64_mv.migrate
 #  define platform_setup_msi_irq        ia64_mv.setup_msi_irq
 #  define platform_teardown_msi_irq     ia64_mv.teardown_msi_irq
+#  define platform_pci_fixup_bus        ia64_mv.pci_fixup_bus
 # endif
 
 /* __attribute__((__aligned__(16))) is required to make size of the
@@ -210,6 +217,7 @@ struct ia64_machine_vector {
         ia64_mv_migrate_t *migrate;
         ia64_mv_setup_msi_irq_t *setup_msi_irq;
         ia64_mv_teardown_msi_irq_t *teardown_msi_irq;
+        ia64_mv_pci_fixup_bus_t *pci_fixup_bus;
 } __attribute__((__aligned__(16))); /* align attrib? see above comment */
 
 #define MACHVEC_INIT(name)                      \
@@ -257,6 +265,7 @@ struct ia64_machine_vector {
         platform_migrate,                       \
         platform_setup_msi_irq,                 \
         platform_teardown_msi_irq,              \
+        platform_pci_fixup_bus,                 \
 }
 
 extern struct ia64_machine_vector ia64_mv;
@@ -416,5 +425,8 @@ extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size
 #ifndef platform_teardown_msi_irq
 # define platform_teardown_msi_irq      ((ia64_mv_teardown_msi_irq_t*)NULL)
 #endif
+#ifndef platform_pci_fixup_bus
+# define platform_pci_fixup_bus machvec_noop_bus
+#endif
 
 #endif /* _ASM_IA64_MACHVEC_H */
diff --git a/include/asm-ia64/machvec_sn2.h b/include/asm-ia64/machvec_sn2.h
index c54b165b1c17..83325f6db03e 100644
--- a/include/asm-ia64/machvec_sn2.h
+++ b/include/asm-ia64/machvec_sn2.h
@@ -69,6 +69,7 @@ extern ia64_mv_dma_supported		sn_dma_supported;
 extern ia64_mv_migrate_t                sn_migrate;
 extern ia64_mv_setup_msi_irq_t          sn_setup_msi_irq;
 extern ia64_mv_teardown_msi_irq_t       sn_teardown_msi_irq;
+extern ia64_mv_pci_fixup_bus_t          sn_pci_fixup_bus;
 
 
 /*
@@ -127,6 +128,7 @@ extern ia64_mv_teardown_msi_irq_t	sn_teardown_msi_irq;
 #define platform_setup_msi_irq          ((ia64_mv_setup_msi_irq_t*)NULL)
 #define platform_teardown_msi_irq       ((ia64_mv_teardown_msi_irq_t*)NULL)
 #endif
+#define platform_pci_fixup_bus          sn_pci_fixup_bus
 
 #include <asm/sn/io.h>
 
diff --git a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h
index ef616fd4cb1b..825eb7d882e6 100644
--- a/include/asm-ia64/pci.h
+++ b/include/asm-ia64/pci.h
@@ -26,16 +26,18 @@ void pcibios_config_init(void);
 struct pci_dev;
 
 /*
- * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct correspondence
- * between device bus addresses and CPU physical addresses.  Platforms with a hardware I/O
- * MMU _must_ turn this off to suppress the bounce buffer handling code in the block and
- * network device layers.  Platforms with separate bus address spaces _must_ turn this off
- * and provide a device DMA mapping implementation that takes care of the necessary
+ * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct
+ * correspondence between device bus addresses and CPU physical addresses.
+ * Platforms with a hardware I/O MMU _must_ turn this off to suppress the
+ * bounce buffer handling code in the block and network device layers.
+ * Platforms with separate bus address spaces _must_ turn this off and provide
+ * a device DMA mapping implementation that takes care of the necessary
  * address translation.
  *
- * For now, the ia64 platforms which may have separate/multiple bus address spaces all
- * have I/O MMUs which support the merging of physically discontiguous buffers, so we can
- * use that as the sole factor to determine the setting of PCI_DMA_BUS_IS_PHYS.
+ * For now, the ia64 platforms which may have separate/multiple bus address
+ * spaces all have I/O MMUs which support the merging of physically
+ * discontiguous buffers, so we can use that as the sole factor to determine
+ * the setting of PCI_DMA_BUS_IS_PHYS.
  */
 extern unsigned long ia64_max_iommu_merge_mask;
 #define PCI_DMA_BUS_IS_PHYS     (ia64_max_iommu_merge_mask == ~0UL)
@@ -52,9 +54,6 @@ pcibios_penalize_isa_irq (int irq, int active)
         /* We don't do dynamic PCI IRQ allocation */
 }
 
-#define HAVE_ARCH_PCI_MWI 1
-extern int pcibios_prep_mwi (struct pci_dev *);
-
 #include <asm-generic/pci-dma-compat.h>
 
 /* pci_unmap_{single,page} is not a nop, thus... */
diff --git a/include/asm-ia64/sn/acpi.h b/include/asm-ia64/sn/acpi.h
new file mode 100644
index 000000000000..2850a7ef5e71
--- /dev/null
+++ b/include/asm-ia64/sn/acpi.h
@@ -0,0 +1,16 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_ACPI_H
+#define _ASM_IA64_SN_ACPI_H
+
+#include "acpi/acglobal.h"
+
+#define SN_ACPI_BASE_SUPPORT()   (acpi_gbl_DSDT->oem_revision >= 0x20101)
+
+#endif /* _ASM_IA64_SN_ACPI_H */
diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h
index eac3561574be..9fe89a93d880 100644
--- a/include/asm-ia64/sn/pcidev.h
+++ b/include/asm-ia64/sn/pcidev.h
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
  */
 #ifndef _ASM_IA64_SN_PCI_PCIDEV_H
 #define _ASM_IA64_SN_PCI_PCIDEV_H
@@ -12,31 +12,29 @@
 
 /*
  * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to
- * the pcidev_info structs for all devices under a controller, we extend the
- * definition of pci_controller, via sn_pci_controller, to include a list
- * of pcidev_info.
+ * the pcidev_info structs for all devices under a controller, we keep a
+ * list of pcidev_info under pci_controller->platform_data.
  */
-struct sn_pci_controller {
-        struct pci_controller pci_controller;
+struct sn_platform_data {
+        void *provider_soft;
         struct list_head pcidev_info;
 };
 
-#define SN_PCI_CONTROLLER(dev) ((struct sn_pci_controller *) dev->sysdata)
+#define SN_PLATFORM_DATA(busdev) \
+        ((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data))
 
 #define SN_PCIDEV_INFO(dev)     sn_pcidev_info_get(dev)
 
-#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
-        (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
 /*
  * Given a pci_bus, return the sn pcibus_bussoft struct.  Note that
  * this only works for root busses, not for busses represented by PPB's.
  */
 
 #define SN_PCIBUS_BUSSOFT(pci_bus) \
-        ((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
+        ((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
 
 #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
-        (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
+        ((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft))
 /*
  * Given a struct pci_dev, return the sn pcibus_bussoft struct.  Note
  * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
@@ -72,8 +70,6 @@ extern void sn_irq_fixup(struct pci_dev *pci_dev,
                          struct sn_irq_info *sn_irq_info);
 extern void sn_irq_unfixup(struct pci_dev *pci_dev);
 extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *);
-extern void sn_pci_controller_fixup(int segment, int busnum,
-                                    struct pci_bus *bus);
 extern void sn_bus_store_sysdata(struct pci_dev *dev);
 extern void sn_bus_free_sysdata(void);
 extern void sn_generate_path(struct pci_bus *pci_bus, char *address);
diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h
index 30dcfa442e53..bfdc36273ed4 100644
--- a/include/asm-ia64/sn/sn_feature_sets.h
+++ b/include/asm-ia64/sn/sn_feature_sets.h
@@ -44,8 +44,14 @@ extern int sn_prom_feature_available(int id);
  * Once enabled, a feature cannot be disabled.
  *
  * By default, features are disabled unless explicitly enabled.
+ *
+ * These defines must be kept in sync with the corresponding
+ * PROM definitions in feature_sets.h.
  */
 #define  OSF_MCA_SLV_TO_OS_INIT_SLV     0
 #define  OSF_FEAT_LOG_SBES              1
+#define  OSF_ACPI_ENABLE                2
+#define  OSF_PCISEGMENT_ENABLE          3
+
 
 #endif /* _ASM_IA64_SN_FEATURE_SETS_H */
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index ba826b3f75bb..be5d83ad7cb1 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -77,6 +77,7 @@
 #define  SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST      0x02000058   // deprecated
 #define  SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST      0x0200005a
 
+#define SN_SAL_IOIF_INIT                           0x0200005f
 #define SN_SAL_HUB_ERROR_INTERRUPT                 0x02000060
 #define SN_SAL_BTE_RECOVER                         0x02000061
 #define SN_SAL_RESERVED_DO_NOT_USE                 0x02000062