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path: root/drivers/ide/arm/ide_arm.c
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Diffstat (limited to 'drivers/ide/arm/ide_arm.c')
-rw-r--r--drivers/ide/arm/ide_arm.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/ide/arm/ide_arm.c b/drivers/ide/arm/ide_arm.c
new file mode 100644
index 000000000000..23488c4d1fcd
--- /dev/null
+++ b/drivers/ide/arm/ide_arm.c
@@ -0,0 +1,43 @@
+/*
+ * ARM/ARM26 default IDE host driver
+ *
+ * Copyright (C) 2004 Bartlomiej Zolnierkiewicz
+ * Based on code by: Russell King, Ian Molton and Alexander Schulz.
+ *
+ * May be copied or modified under the terms of the GNU General Public License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ide.h>
+
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#ifdef CONFIG_ARM26
+# define IDE_ARM_HOST (machine_is_a5k())
+#else
+# define IDE_ARM_HOST (1)
+#endif
+
+#ifdef CONFIG_ARCH_CLPS7500
+# include <asm/arch/hardware.h>
+#
+# define IDE_ARM_IO (ISASLOT_IO + 0x1f0)
+# define IDE_ARM_IRQ IRQ_ISA_14
+#else
+# define IDE_ARM_IO 0x1f0
+# define IDE_ARM_IRQ IRQ_HARDDISK
+#endif
+
+void __init ide_arm_init(void)
+{
+ if (IDE_ARM_HOST) {
+ hw_regs_t hw;
+
+ memset(&hw, 0, sizeof(hw));
+ ide_std_init_ports(&hw, IDE_ARM_IO, IDE_ARM_IO + 0x206);
+ hw.irq = IDE_ARM_IRQ;
+ ide_register_hw(&hw, NULL);
+ }
+}