/*
* Support for the Tundra Universe I/II VME-PCI Bridge Chips
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
*
* Based on work by Tom Armistead and Ajit Prem
* Copyright 2004 Motorola Inc.
static void ca91cx42_remove(struct pci_dev *);
static void __exit ca91cx42_exit(void);
-struct vme_bridge *ca91cx42_bridge;
-wait_queue_head_t dma_queue;
-wait_queue_head_t iack_queue;
-wait_queue_head_t lm_queue;
-wait_queue_head_t mbox_queue;
+/* Module parameters */
+static int geoid;
-void (*lm_callback[4])(int); /* Called in interrupt handler, be careful! */
-void *crcsr_kernel;
-dma_addr_t crcsr_bus;
+static struct vme_bridge *ca91cx42_bridge;
+static wait_queue_head_t dma_queue;
+static wait_queue_head_t iack_queue;
+#if 0
+static wait_queue_head_t lm_queue;
+#endif
+static wait_queue_head_t mbox_queue;
+
+static void (*lm_callback[4])(int); /* Called in interrupt handler */
+static void *crcsr_kernel;
+static dma_addr_t crcsr_bus;
-struct mutex vme_rmw; /* Only one RMW cycle at a time */
-struct mutex vme_int; /*
- * Only one VME interrupt can be
- * generated at a time, provide locking
- */
+static struct mutex vme_rmw; /* Only one RMW cycle at a time */
+static struct mutex vme_int; /*
+ * Only one VME interrupt can be
+ * generated at a time, provide locking
+ */
static char driver_name[] = "vme_ca91cx42";
-static struct pci_device_id ca91cx42_ids[] = {
+static const struct pci_device_id ca91cx42_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_CA91C142) },
{ },
};
{
u32 slot = 0;
- slot = ioread32(ca91cx42_bridge->base + VCSR_BS);
- slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27);
+ if (!geoid) {
+ slot = ioread32(ca91cx42_bridge->base + VCSR_BS);
+ slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27);
+ } else
+ slot = geoid;
+
return (int)slot;
}
pci_unregister_driver(&ca91cx42_driver);
}
+MODULE_PARM_DESC(geoid, "Override geographical addressing");
+module_param(geoid, int, 0);
+
MODULE_DESCRIPTION("VME driver for the Tundra Universe II VME bridge");
MODULE_LICENSE("GPL");