[IA64-SGI] Altix patch to tiocx, add subsys_initcall

This patch fixes an ordering issue between the init code for the
tiocx bus driver and tiocx-related device drivers.   Also adds
a new brick to the list of known FPGA bricks.

Signed-off-by: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

2 files changed, 10 insertions, 5 deletions

diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index a087b274847e..8716f4d5314b 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -204,8 +204,8 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
         cx_dev->dev.parent = NULL;
         cx_dev->dev.bus = &tiocx_bus_type;
         cx_dev->dev.release = tiocx_bus_release;
-        snprintf(cx_dev->dev.bus_id, BUS_ID_SIZE, "%d.0x%x",
-                 cx_dev->cx_id.nasid, cx_dev->cx_id.part_num);
+        snprintf(cx_dev->dev.bus_id, BUS_ID_SIZE, "%d",
+                 cx_dev->cx_id.nasid);
         device_register(&cx_dev->dev);
         get_device(&cx_dev->dev);
 
@@ -236,7 +236,6 @@ int cx_device_unregister(struct cx_dev *cx_dev)
  */
 static int cx_device_reload(struct cx_dev *cx_dev)
 {
-        device_remove_file(&cx_dev->dev, &dev_attr_cxdev_control);
         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);
@@ -383,6 +382,7 @@ static int is_fpga_brick(int nasid)
         switch (tiocx_btchar_get(nasid)) {
         case L1_BRICKTYPE_SA:
         case L1_BRICKTYPE_ATHENA:
+        case L1_BRICKTYPE_DAYTONA:
                 return 1;
         }
         return 0;
@@ -409,7 +409,7 @@ static int tiocx_reload(struct cx_dev *cx_dev)
                 uint64_t cx_id;
 
                 cx_id =
-                    *(volatile int32_t *)(TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
+                    *(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);
@@ -458,6 +458,10 @@ static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *
 
         switch (n) {
         case 1:
+                tio_corelet_reset(cx_dev->cx_id.nasid, TIOCX_CORELET);
+                tiocx_reload(cx_dev);
+                break;
+        case 2:
                 tiocx_reload(cx_dev);
                 break;
         case 3:
@@ -537,7 +541,7 @@ static void __exit tiocx_exit(void)
         bus_unregister(&tiocx_bus_type);
 }
 
-module_init(tiocx_init);
+subsys_initcall(tiocx_init);
 module_exit(tiocx_exit);
 
 /************************************************************************
diff --git a/include/asm-ia64/sn/l1.h b/include/asm-ia64/sn/l1.h
index 08050d37b662..2e5f0aa38889 100644
--- a/include/asm-ia64/sn/l1.h
+++ b/include/asm-ia64/sn/l1.h
@@ -33,5 +33,6 @@
 #define L1_BRICKTYPE_PA         0x6a            /* j */
 #define L1_BRICKTYPE_IA         0x6b            /* k */
 #define L1_BRICKTYPE_ATHENA     0x2b            /* + */
+#define L1_BRICKTYPE_DAYTONA    0x7a            /* z */
 
 #endif /* _ASM_IA64_SN_L1_H */