1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
new file mode 100644
index 0000000..3058217
--- /dev/null
+++ b/drivers/ide/arm/rapide.c
@@ -0,0 +1,125 @@
+/*
+ * linux/drivers/ide/arm/rapide.c
+ *
+ * Copyright (c) 1996-2002 Russell King.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/blkdev.h>
+#include <linux/errno.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+
+#include <asm/ecard.h>
+
+/*
+ * Something like this really should be in generic code, but isn't.
+ */
+static ide_hwif_t *
+rapide_locate_hwif(void __iomem *base, void __iomem *ctrl, unsigned int sz, int irq)
+{
+	unsigned long port = (unsigned long)base;
+	ide_hwif_t *hwif;
+	int index, i;
+
+	for (index = 0; index < MAX_HWIFS; ++index) {
+		hwif = ide_hwifs + index;
+		if (hwif->io_ports[IDE_DATA_OFFSET] == port)
+			goto found;
+	}
+
+	for (index = 0; index < MAX_HWIFS; ++index) {
+		hwif = ide_hwifs + index;
+		if (hwif->io_ports[IDE_DATA_OFFSET] == 0)
+			goto found;
+	}
+
+	return NULL;
+
+ found:
+	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
+		hwif->hw.io_ports[i] = port;
+		hwif->io_ports[i] = port;
+		port += sz;
+	}
+	hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
+	hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl;
+	hwif->hw.irq = hwif->irq = irq;
+	hwif->mmio = 2;
+	default_hwif_mmiops(hwif);
+
+	return hwif;
+}
+
+static int __devinit
+rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
+{
+	ide_hwif_t *hwif;
+	void __iomem *base;
+	int ret;
+
+	ret = ecard_request_resources(ec);
+	if (ret)
+		goto out;
+
+	base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
+		       ecard_resource_len(ec, ECARD_RES_MEMC));
+	if (!base) {
+		ret = -ENOMEM;
+		goto release;
+	}
+
+	hwif = rapide_locate_hwif(base, base + 0x818, 1 << 6, ec->irq);
+	if (hwif) {
+		hwif->hwif_data = base;
+		hwif->gendev.parent = &ec->dev;
+		hwif->noprobe = 0;
+		probe_hwif_init(hwif);
+		create_proc_ide_interfaces();
+		ecard_set_drvdata(ec, hwif);
+		goto out;
+	}
+
+	iounmap(base);
+ release:
+	ecard_release_resources(ec);
+ out:
+	return ret;
+}
+
+static void __devexit rapide_remove(struct expansion_card *ec)
+{
+	ide_hwif_t *hwif = ecard_get_drvdata(ec);
+
+	ecard_set_drvdata(ec, NULL);
+
+	/* there must be a better way */
+	ide_unregister(hwif - ide_hwifs);
+	iounmap(hwif->hwif_data);
+	ecard_release_resources(ec);
+}
+
+static struct ecard_id rapide_ids[] = {
+	{ MANU_YELLOWSTONE, PROD_YELLOWSTONE_RAPIDE32 },
+	{ 0xffff, 0xffff }
+};
+
+static struct ecard_driver rapide_driver = {
+	.probe		= rapide_probe,
+	.remove		= __devexit_p(rapide_remove),
+	.id_table	= rapide_ids,
+	.drv = {
+		.name	= "rapide",
+	},
+};
+
+static int __init rapide_init(void)
+{
+	return ecard_register_driver(&rapide_driver);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Yellowstone RAPIDE driver");
+
+module_init(rapide_init);