6 files changed, 59 insertions, 33 deletions

diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c
index f1ec1370b3e3..b6fcf8164f2b 100644
--- a/arch/ia64/sn/kernel/bte_error.c
+++ b/arch/ia64/sn/kernel/bte_error.c
@@ -78,7 +78,7 @@ int shub1_bte_error_handler(unsigned long _nodepda)
                  * There are errors which still need to be cleaned up by
                  * hubiio_crb_error_handler
                  */
-                mod_timer(recovery_timer, HZ * 5);
+                mod_timer(recovery_timer, jiffies + (HZ * 5));
                 BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
                             smp_processor_id()));
                 return 1;
@@ -95,7 +95,7 @@ int shub1_bte_error_handler(unsigned long _nodepda)
                         icrbd.ii_icrb0_d_regval =
                             REMOTE_HUB_L(nasid, IIO_ICRB_D(i));
                         if (icrbd.d_bteop) {
-                                mod_timer(recovery_timer, HZ * 5);
+                                mod_timer(recovery_timer, jiffies + (HZ * 5));
                                 BTE_PRINTK(("eh:%p:%d Valid %d, Giving up\n",
                                             err_nodepda, smp_processor_id(),
                                             i));
@@ -150,7 +150,7 @@ int shub2_bte_error_handler(unsigned long _nodepda)
                 status = BTE_LNSTAT_LOAD(bte);
                 if ((status & IBLS_ERROR) || !(status & IBLS_BUSY))
                         continue;
-                mod_timer(recovery_timer, HZ * 5);
+                mod_timer(recovery_timer, jiffies + (HZ * 5));
                 BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
                             smp_processor_id()));
                 return 1;
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 8c331ca6e5c9..c6216f454ffb 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -53,12 +53,15 @@ sal_ioif_init(u64 *result)
 }
 
 /*
- * sn_hubdev_add - The 'add' function of the acpi_sn_hubdev_driver.
- *                 Called for every "SGIHUB" or "SGITIO" device defined
- *                 in the ACPI namespace.
+ * sn_acpi_hubdev_init() - This function is called by acpi_ns_get_device_callback()
+ *                         for all SGIHUB and SGITIO acpi devices defined in the
+ *                         DSDT. It obtains the hubdev_info pointer from the
+ *                         ACPI vendor resource, which the PROM setup, and sets up the
+ *                         hubdev_info in the pda.
  */
-static int __init
-sn_hubdev_add(struct acpi_device *device)
+
+static acpi_status __init
+sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         u64 addr;
@@ -67,18 +70,19 @@ sn_hubdev_add(struct acpi_device *device)
         int i;
         u64 nasid;
         struct acpi_resource *resource;
-        int ret = 0;
         acpi_status status;
         struct acpi_resource_vendor_typed *vendor;
         extern void sn_common_hubdev_init(struct hubdev_info *);
 
-        status = acpi_get_vendor_resource(device->handle, METHOD_NAME__CRS,
+        status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
                                           &sn_uuid, &buffer);
         if (ACPI_FAILURE(status)) {
                 printk(KERN_ERR
-                       "sn_hubdev_add: acpi_get_vendor_resource() failed: %d\n",
-                        status);
-                return 1;
+                       "sn_acpi_hubdev_init: acpi_get_vendor_resource() "
+                       "(0x%x) failed for: ", status);
+                acpi_ns_print_node_pathname(handle, NULL);
+                printk("\n");
+                return AE_OK;           /* Continue walking namespace */
         }
 
         resource = buffer.pointer;
@@ -86,9 +90,10 @@ sn_hubdev_add(struct acpi_device *device)
         if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
             sizeof(struct hubdev_info *)) {
                 printk(KERN_ERR
-                       "sn_hubdev_add: Invalid vendor data length: %d\n",
+                       "sn_acpi_hubdev_init: Invalid vendor data length: %d for: ",
                         vendor->byte_length);
-                ret = 1;
+                acpi_ns_print_node_pathname(handle, NULL);
+                printk("\n");
                 goto exit;
         }
 
@@ -103,7 +108,7 @@ sn_hubdev_add(struct acpi_device *device)
 
 exit:
         kfree(buffer.pointer);
-        return ret;
+        return AE_OK;           /* Continue walking namespace */
 }
 
 /*
@@ -441,14 +446,6 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
 
 EXPORT_SYMBOL(sn_acpi_slot_fixup);
 
-static struct acpi_driver acpi_sn_hubdev_driver = {
-        .name = "SGI HUBDEV Driver",
-        .ids = "SGIHUB,SGITIO",
-        .ops = {
-                .add = sn_hubdev_add,
-                },
-};
-
 
 /*
  * sn_acpi_bus_fixup -  Perform SN specific setup of software structs
@@ -492,7 +489,10 @@ sn_io_acpi_init(void)
         /* SN Altix does not follow the IOSAPIC IRQ routing model */
         acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM;
 
-        acpi_bus_register_driver(&acpi_sn_hubdev_driver);
+        /* Setup hubdev_info for all SGIHUB/SGITIO devices */
+        acpi_get_devices("SGIHUB", sn_acpi_hubdev_init, NULL, NULL);
+        acpi_get_devices("SGITIO", sn_acpi_hubdev_init, NULL, NULL);
+
         status = sal_ioif_init(&result);
         if (status || result)
                 panic("sal_ioif_init failed: [%lx] %s\n",
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 600be3ebae05..6b10e5d28488 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -247,10 +247,18 @@ sn_io_slot_fixup(struct pci_dev *dev)
                 addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET;
                 dev->resource[idx].start = addr;
                 dev->resource[idx].end = addr + size;
+
+                /*
+                 * if it's already in the device structure, remove it before
+                 * inserting
+                 */
+                if (dev->resource[idx].parent && dev->resource[idx].parent->child)
+                        release_resource(&dev->resource[idx]);
+
                 if (dev->resource[idx].flags & IORESOURCE_IO)
-                        dev->resource[idx].parent = &ioport_resource;
+                        insert_resource(&ioport_resource, &dev->resource[idx]);
                 else
-                        dev->resource[idx].parent = &iomem_resource;
+                        insert_resource(&iomem_resource, &dev->resource[idx]);
                 /* If ROM, mark as shadowed in PROM */
                 if (idx == PCI_ROM_RESOURCE)
                         dev->resource[idx].flags |= IORESOURCE_ROM_BIOS_COPY;
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 8c5bee01eaa2..8d2a1bfbfe7c 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -205,7 +205,17 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
                 (void)sn_retarget_vector(sn_irq_info, nasid, slice);
 }
 
-struct hw_interrupt_type irq_type_sn = {
+static void
+sn_mask_irq(unsigned int irq)
+{
+}
+
+static void
+sn_unmask_irq(unsigned int irq)
+{
+}
+
+struct irq_chip irq_type_sn = {
         .name           = "SN hub",
         .startup        = sn_startup_irq,
         .shutdown       = sn_shutdown_irq,
@@ -213,6 +223,8 @@ struct hw_interrupt_type irq_type_sn = {
         .disable        = sn_disable_irq,
         .ack            = sn_ack_irq,
         .end            = sn_end_irq,
+        .mask           = sn_mask_irq,
+        .unmask         = sn_unmask_irq,
         .set_affinity   = sn_set_affinity_irq
 };
 
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 8571e52c2efd..a9bed5ca2ed8 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -348,8 +348,7 @@ sn_scan_pcdp(void)
                         continue;       /* not PCI interconnect */
 
                 if (if_pci.translation & PCDP_PCI_TRANS_IOPORT)
-                        vga_console_iobase =
-                                if_pci.ioport_tra | __IA64_UNCACHED_OFFSET;
+                        vga_console_iobase = if_pci.ioport_tra;
 
                 if (if_pci.translation & PCDP_PCI_TRANS_MMIO)
                         vga_console_membase =
@@ -397,6 +396,8 @@ void __init sn_setup(char **cmdline_p)
         ia64_sn_set_os_feature(OSF_PCISEGMENT_ENABLE);
         ia64_sn_set_os_feature(OSF_ACPI_ENABLE);
 
+        /* Load the new DSDT and SSDT tables into the global table list. */
+        acpi_table_init();
 
 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
         /*
@@ -427,7 +428,8 @@ void __init sn_setup(char **cmdline_p)
          *      bus containing the VGA console.
          */
         if (vga_console_iobase) {
-                io_space[0].mmio_base = vga_console_iobase;
+                io_space[0].mmio_base =
+                        (unsigned long) ioremap(vga_console_iobase, 0);
                 io_space[0].sparse = 0;
         }
 
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 1ee977fb6ebb..95af40cb22f2 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -96,10 +96,14 @@ pcibr_dmamap_ate32(struct pcidev_info *info,
         }
 
         /*
-         * If we're mapping for MSI, set the MSI bit in the ATE
+         * If we're mapping for MSI, set the MSI bit in the ATE.  If it's a
+         * TIOCP based pci bus, we also need to set the PIO bit in the ATE.
          */
-        if (dma_flags & SN_DMA_MSI)
+        if (dma_flags & SN_DMA_MSI) {
                 ate |= PCI32_ATE_MSI;
+                if (IS_TIOCP_SOFT(pcibus_info))
+                        ate |= PCI32_ATE_PIO;
+        }
 
         ate_write(pcibus_info, ate_index, ate_count, ate);