1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/eisa/pci_eisa.c b/drivers/eisa/pci_eisa.c
new file mode 100644
index 0000000..74edb1d
--- /dev/null
+++ b/drivers/eisa/pci_eisa.c
@@ -0,0 +1,66 @@
+/*
+ * Minimalist driver for a generic PCI-to-EISA bridge.
+ *
+ * (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
+ *
+ * This code is released under the GPL version 2.
+ *
+ * Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
+ * Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/eisa.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+/* There is only *one* pci_eisa device per machine, right ? */
+static struct eisa_root_device pci_eisa_root;
+
+static int __init pci_eisa_init(struct pci_dev *pdev,
+				const struct pci_device_id *ent)
+{
+	int rc;
+
+	if ((rc = pci_enable_device (pdev))) {
+		printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
+			pci_name(pdev));
+		return rc;
+	}
+
+	pci_eisa_root.dev              = &pdev->dev;
+	pci_eisa_root.dev->driver_data = &pci_eisa_root;
+	pci_eisa_root.res	       = pdev->bus->resource[0];
+	pci_eisa_root.bus_base_addr    = pdev->bus->resource[0]->start;
+	pci_eisa_root.slots	       = EISA_MAX_SLOTS;
+	pci_eisa_root.dma_mask         = pdev->dma_mask;
+
+	if (eisa_root_register (&pci_eisa_root)) {
+		printk (KERN_ERR "pci_eisa : Could not register EISA root\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static struct pci_device_id pci_eisa_pci_tbl[] = {
+	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+	  PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
+	{ 0, }
+};
+
+static struct pci_driver pci_eisa_driver = {
+	.name		= "pci_eisa",
+	.id_table	= pci_eisa_pci_tbl,
+	.probe		= pci_eisa_init,
+};
+
+static int __init pci_eisa_init_module (void)
+{
+	return pci_register_driver (&pci_eisa_driver);
+}
+
+device_initcall(pci_eisa_init_module);
+MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);