patch-2.4.22 linux-2.4.22/arch/mips/vr41xx/common/ide.c

• Lines: 51
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/vr41xx/common/ide.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/vr41xx/common/ide.c linux-2.4.22/arch/mips/vr41xx/common/ide.c
@@ -0,0 +1,50 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * IDE routines for NEC VR4100 series standard configurations.
+ *
+ * Copyright (C) 1998, 1999, 2001 by Ralf Baechle
+ * Copyright (C) 2003 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ */
+#include <linux/hdreg.h>
+#include <linux/ide.h>
+
+#include <asm/hdreg.h>
+
+static int vr41xx_ide_default_irq(ide_ioreg_t base)
+{
+	return 0;
+}
+
+static ide_ioreg_t vr41xx_ide_default_io_base(int index)
+{
+	return 0;
+}
+
+static void vr41xx_ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
+                                       ide_ioreg_t ctrl_port, int *irq)
+{
+	ide_ioreg_t reg = data_port;
+	int i;
+
+	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
+		hw->io_ports[i] = reg;
+		reg += 1;
+	}
+	if (ctrl_port) {
+		hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
+	} else {
+		hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;
+	}
+	if (irq != NULL)
+		*irq = 0;
+	hw->io_ports[IDE_IRQ_OFFSET] = 0;
+}
+
+struct ide_ops vr41xx_ide_ops = {
+	.ide_default_irq	= &vr41xx_ide_default_irq,
+	.ide_default_io_base	= &vr41xx_ide_default_io_base,
+	.ide_init_hwif_ports	= &vr41xx_ide_init_hwif_ports
+};