patch-2.4.19 linux-2.4.19/drivers/ide/ide-swarm.c

• Lines: 74
• Date: Fri Aug 2 17:39:44 2002
• Orig file: linux-2.4.18/drivers/ide/ide-swarm.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/drivers/ide/ide-swarm.c linux-2.4.19/drivers/ide/ide-swarm.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2001 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/*  Derived loosely from ide-pmac.c, so:
+ *  
+ *  Copyright (C) 1998 Paul Mackerras.
+ *  Copyright (C) 1995-1998 Mark Lord
+ */
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/ide.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/sibyte/sb1250_int.h>
+#include <asm/sibyte/swarm_ide.h>
+
+void __init swarm_ide_probe(void)
+{
+	int i;
+	ide_hwif_t *hwif;
+	/* 
+	 * Find the first untaken slot in hwifs 
+	 */
+	for (i = 0; i < MAX_HWIFS; i++) {
+		if (!ide_hwifs[i].io_ports[IDE_DATA_OFFSET]) {
+			break;
+		}
+	}
+	if (i == MAX_HWIFS) {
+		printk("No space for SWARM onboard IDE driver in ide_hwifs[].  Not enabled.\n");
+		return;
+	}
+
+	/* Set up our stuff */
+	hwif = &ide_hwifs[i];
+	hwif->hw.io_ports[IDE_DATA_OFFSET]    = SWARM_IDE_REG(0x1f0);
+	hwif->hw.io_ports[IDE_ERROR_OFFSET]   = SWARM_IDE_REG(0x1f1);
+	hwif->hw.io_ports[IDE_NSECTOR_OFFSET] = SWARM_IDE_REG(0x1f2);
+	hwif->hw.io_ports[IDE_SECTOR_OFFSET]  = SWARM_IDE_REG(0x1f3);
+	hwif->hw.io_ports[IDE_LCYL_OFFSET]    = SWARM_IDE_REG(0x1f4);
+	hwif->hw.io_ports[IDE_HCYL_OFFSET]    = SWARM_IDE_REG(0x1f5);
+	hwif->hw.io_ports[IDE_SELECT_OFFSET]  = SWARM_IDE_REG(0x1f6);
+	hwif->hw.io_ports[IDE_STATUS_OFFSET]  = SWARM_IDE_REG(0x1f7);
+	hwif->hw.io_ports[IDE_CONTROL_OFFSET] = SWARM_IDE_REG(0x3f6);
+	hwif->hw.io_ports[IDE_IRQ_OFFSET]     = SWARM_IDE_REG(0x3f7);
+//	hwif->hw->ack_intr                     = swarm_ide_ack_intr;
+	hwif->hw.irq                          = SWARM_IDE_INT;
+	hwif->ideproc                         = swarm_ideproc;
+
+	memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
+	hwif->irq = hwif->hw.irq;
+	printk("SWARM onboard IDE configured as device %i\n", i);
+}
+