8 files changed, 70 insertions, 50 deletions

diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 4564ed0b5ff3..906622d9f933 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -431,7 +431,7 @@ void sn_bus_store_sysdata(struct pci_dev *dev)
 {
         struct sysdata_el *element;
 
-        element = kcalloc(1, sizeof(struct sysdata_el), GFP_KERNEL);
+        element = kzalloc(sizeof(struct sysdata_el), GFP_KERNEL);
         if (!element) {
                 dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__);
                 return;
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 9fc74631ba8a..01d18b7b5bb3 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -23,7 +23,7 @@ static void force_interrupt(int irq);
 static void register_intr_pda(struct sn_irq_info *sn_irq_info);
 static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
 
-extern int sn_force_interrupt_flag;
+int sn_force_interrupt_flag = 1;
 extern int sn_ioif_inited;
 static struct list_head **sn_irq_lh;
 static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index a594aca959e6..6f8c5883716b 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -49,6 +49,7 @@
 #include <asm/sn/clksupport.h>
 #include <asm/sn/sn_sal.h>
 #include <asm/sn/geo.h>
+#include <asm/sn/sn_feature_sets.h>
 #include "xtalk/xwidgetdev.h"
 #include "xtalk/hubdev.h"
 #include <asm/sn/klconfig.h>
@@ -56,7 +57,7 @@
 
 DEFINE_PER_CPU(struct pda_s, pda_percpu);
 
-#define MAX_PHYS_MEMORY         (1UL << 49)     /* 1 TB */
+#define MAX_PHYS_MEMORY         (1UL << IA64_MAX_PHYS_BITS)     /* Max physical address supported */
 
 lboard_t *root_lboard[MAX_COMPACT_NODES];
 
@@ -97,6 +98,7 @@ EXPORT_SYMBOL(sn_region_size);
 int sn_prom_type;       /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
 
 short physical_node_map[MAX_PHYSNODE_ID];
+static unsigned long sn_prom_features[MAX_PROM_FEATURE_SETS];
 
 EXPORT_SYMBOL(physical_node_map);
 
@@ -271,7 +273,10 @@ void __init sn_setup(char **cmdline_p)
         u32 version = sn_sal_rev();
         extern void sn_cpu_init(void);
 
-        ia64_sn_plat_set_error_handling_features();
+        ia64_sn_plat_set_error_handling_features();     // obsolete
+        ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV);
+        ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES);
+
 
 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
         /*
@@ -314,16 +319,6 @@ void __init sn_setup(char **cmdline_p)
 
         printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
 
-        /*
-         * Confirm the SAL we're running on is recent enough...
-         */
-        if (version < SN_SAL_MIN_VERSION) {
-                printk(KERN_ERR "This kernel needs SGI SAL version >= "
-                       "%x.%02x\n", SN_SAL_MIN_VERSION >> 8,
-                        SN_SAL_MIN_VERSION & 0x00FF);
-                panic("PROM version too old\n");
-        }
-
         master_nasid = boot_get_nasid();
 
         status =
@@ -480,6 +475,10 @@ void __init sn_cpu_init(void)
         if (nodepdaindr[0] == NULL)
                 return;
 
+        for (i = 0; i < MAX_PROM_FEATURE_SETS; i++)
+                if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
+                        break;
+
         cpuid = smp_processor_id();
         cpuphyid = get_sapicid();
 
@@ -651,3 +650,12 @@ nasid_slice_to_cpuid(int nasid, int slice)
 
         return -1;
 }
+
+int sn_prom_feature_available(int id)
+{
+        if (id >= BITS_PER_LONG * MAX_PROM_FEATURE_SETS)
+                return 0;
+        return test_bit(id, sn_prom_features);
+}
+EXPORT_SYMBOL(sn_prom_feature_available);
+
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index 51bf82720d99..a06719d752a0 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -52,7 +52,7 @@ static int licenseID_open(struct inode *inode, struct file *file)
  * the bridge chip.  The hardware will then send an interrupt message if the
  * interrupt line is active.  This mimics a level sensitive interrupt.
  */
-int sn_force_interrupt_flag = 1;
+extern int sn_force_interrupt_flag;
 
 static int sn_force_interrupt_show(struct seq_file *s, void *p)
 {
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index 254fe15c064b..e0819ec53116 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -183,15 +183,16 @@ int cx_driver_unregister(struct cx_drv *cx_driver)
  * @part_num: device's part number
  * @mfg_num: device's manufacturer number
  * @hubdev: hub info associated with this device
+ * @bt: board type of the device
  *
  */
 int
 cx_device_register(nasid_t nasid, int part_num, int mfg_num,
-                   struct hubdev_info *hubdev)
+                   struct hubdev_info *hubdev, int bt)
 {
         struct cx_dev *cx_dev;
 
-        cx_dev = kcalloc(1, sizeof(struct cx_dev), GFP_KERNEL);
+        cx_dev = kzalloc(sizeof(struct cx_dev), GFP_KERNEL);
         DBG("cx_dev= 0x%p\n", cx_dev);
         if (cx_dev == NULL)
                 return -ENOMEM;
@@ -200,6 +201,7 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
         cx_dev->cx_id.mfg_num = mfg_num;
         cx_dev->cx_id.nasid = nasid;
         cx_dev->hubdev = hubdev;
+        cx_dev->bt = bt;
 
         cx_dev->dev.parent = NULL;
         cx_dev->dev.bus = &tiocx_bus_type;
@@ -238,7 +240,8 @@ static int cx_device_reload(struct cx_dev *cx_dev)
 {
         cx_device_unregister(cx_dev);
         return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num,
-                                  cx_dev->cx_id.mfg_num, cx_dev->hubdev);
+                                  cx_dev->cx_id.mfg_num, cx_dev->hubdev,
+                                  cx_dev->bt);
 }
 
 static inline uint64_t tiocx_intr_alloc(nasid_t nasid, int widget,
@@ -365,26 +368,20 @@ static void tio_corelet_reset(nasid_t nasid, int corelet)
         udelay(2000);
 }
 
-static int tiocx_btchar_get(int nasid)
+static int is_fpga_tio(int nasid, int *bt)
 {
-        moduleid_t module_id;
-        geoid_t geoid;
-        int cnodeid;
-
-        cnodeid = nasid_to_cnodeid(nasid);
-        geoid = cnodeid_get_geoid(cnodeid);
-        module_id = geo_module(geoid);
-        return MODULE_GET_BTCHAR(module_id);
-}
+        int ioboard_type;
 
-static int is_fpga_brick(int nasid)
-{
-        switch (tiocx_btchar_get(nasid)) {
+        ioboard_type = ia64_sn_sysctl_ioboard_get(nasid);
+
+        switch (ioboard_type) {
         case L1_BRICKTYPE_SA:
         case L1_BRICKTYPE_ATHENA:
-        case L1_BRICKTYPE_DAYTONA:
+        case L1_BOARDTYPE_DAYTONA:
+                *bt = ioboard_type;
                 return 1;
         }
+
         return 0;
 }
 
@@ -407,16 +404,22 @@ static int tiocx_reload(struct cx_dev *cx_dev)
 
         if (bitstream_loaded(nasid)) {
                 uint64_t cx_id;
-
-                cx_id =
-                    *(volatile uint64_t *)(TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
+                int rv;
+
+                rv = ia64_sn_sysctl_tio_clock_reset(nasid);
+                if (rv) {
+                        printk(KERN_ALERT "CX port JTAG reset failed.\n");
+                } else {
+                        cx_id = *(volatile uint64_t *)
+                                (TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
                                           WIDGET_ID);
-                part_num = XWIDGET_PART_NUM(cx_id);
-                mfg_num = XWIDGET_MFG_NUM(cx_id);
-                DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
-                /* just ignore it if it's a CE */
-                if (part_num == TIO_CE_ASIC_PARTNUM)
-                        return 0;
+                        part_num = XWIDGET_PART_NUM(cx_id);
+                        mfg_num = XWIDGET_MFG_NUM(cx_id);
+                        DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
+                        /* just ignore it if it's a CE */
+                        if (part_num == TIO_CE_ASIC_PARTNUM)
+                                return 0;
+                }
         }
 
         cx_dev->cx_id.part_num = part_num;
@@ -436,10 +439,10 @@ static ssize_t show_cxdev_control(struct device *dev, struct device_attribute *a
 {
         struct cx_dev *cx_dev = to_cx_dev(dev);
 
-        return sprintf(buf, "0x%x 0x%x 0x%x %d\n",
+        return sprintf(buf, "0x%x 0x%x 0x%x 0x%x\n",
                        cx_dev->cx_id.nasid,
                        cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num,
-                       tiocx_btchar_get(cx_dev->cx_id.nasid));
+                       cx_dev->bt);
 }
 
 static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf,
@@ -488,11 +491,12 @@ static int __init tiocx_init(void)
 
         for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) {
                 nasid_t nasid;
+                int bt;
 
                 if ((nasid = cnodeid_to_nasid(cnodeid)) < 0)
                         break;  /* No more nasids .. bail out of loop */
 
-                if ((nasid & 0x1) && is_fpga_brick(nasid)) {
+                if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
                         struct hubdev_info *hubdev;
                         struct xwidget_info *widgetp;
 
@@ -512,7 +516,7 @@ static int __init tiocx_init(void)
 
                         if (cx_device_register
                             (nasid, widgetp->xwi_hwid.part_num,
-                             widgetp->xwi_hwid.mfg_num, hubdev) < 0)
+                             widgetp->xwi_hwid.mfg_num, hubdev, bt) < 0)
                                 return -ENXIO;
                         else
                                 found_tiocx_device++;
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index bb1d5cf30440..ed7c21586e98 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -885,6 +885,10 @@ xpc_init(void)
         pid_t pid;
 
 
+        if (!ia64_platform_is("sn2")) {
+                return -ENODEV;
+        }
+
         /*
          * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
          * both a partition's reserved page and its XPC variables. Its size was
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index 78c13d676fa6..e5c6d3c0a8e9 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -130,7 +130,7 @@ struct net_device *xpnet_device;
  */
 static u64 xpnet_broadcast_partitions;
 /* protect above */
-static spinlock_t xpnet_broadcast_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(xpnet_broadcast_lock);
 
 /*
  * Since the Block Transfer Engine (BTE) is being used for the transfer
@@ -636,6 +636,10 @@ xpnet_init(void)
         int result = -ENOMEM;
 
 
+        if (!ia64_platform_is("sn2")) {
+                return -ENODEV;
+        }
+
         dev_info(xpnet, "registering network device %s\n", XPNET_DEVICE_NAME);
 
         /*
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 9b8dbce2b7b6..46b646a6d345 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -149,7 +149,7 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
         tioca_kern->ca_pcigart_entries =
             tioca_kern->ca_pciap_size / tioca_kern->ca_ap_pagesize;
         tioca_kern->ca_pcigart_pagemap =
-            kcalloc(1, tioca_kern->ca_pcigart_entries / 8, GFP_KERNEL);
+            kzalloc(tioca_kern->ca_pcigart_entries / 8, GFP_KERNEL);
         if (!tioca_kern->ca_pcigart_pagemap) {
                 free_pages((unsigned long)tioca_kern->ca_gart,
                            get_order(tioca_kern->ca_gart_size));
@@ -392,7 +392,7 @@ tioca_dma_mapped(struct pci_dev *pdev, uint64_t paddr, size_t req_size)
          * allocate a map struct
          */
 
-        ca_dmamap = kcalloc(1, sizeof(struct tioca_dmamap), GFP_ATOMIC);
+        ca_dmamap = kzalloc(sizeof(struct tioca_dmamap), GFP_ATOMIC);
         if (!ca_dmamap)
                 goto map_return;
 
@@ -600,7 +600,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
          * Allocate kernel bus soft and copy from prom.
          */
 
-        tioca_common = kcalloc(1, sizeof(struct tioca_common), GFP_KERNEL);
+        tioca_common = kzalloc(sizeof(struct tioca_common), GFP_KERNEL);
         if (!tioca_common)
                 return NULL;
 
@@ -609,7 +609,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
 
         /* init kernel-private area */
 
-        tioca_kern = kcalloc(1, sizeof(struct tioca_kernel), GFP_KERNEL);
+        tioca_kern = kzalloc(sizeof(struct tioca_kernel), GFP_KERNEL);
         if (!tioca_kern) {
                 kfree(tioca_common);
                 return NULL;