aboutsummaryrefslogtreecommitdiff
path: root/drivers/ide/ide_arm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/ide_arm.c')
-rw-r--r--drivers/ide/ide_arm.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/ide/ide_arm.c b/drivers/ide/ide_arm.c
new file mode 100644
index 00000000000..f728f2927b5
--- /dev/null
+++ b/drivers/ide/ide_arm.c
@@ -0,0 +1,56 @@
+/*
+ * ARM 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/irq.h>
+
+#define DRV_NAME "ide_arm"
+
+#ifdef CONFIG_ARCH_CLPS7500
+# include <mach/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
+
+static int __init ide_arm_init(void)
+{
+ unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
+ hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+
+ if (!request_region(base, 8, DRV_NAME)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
+ DRV_NAME, base, base + 7);
+ return -EBUSY;
+ }
+
+ if (!request_region(ctl, 1, DRV_NAME)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
+ DRV_NAME, ctl);
+ release_region(base, 8);
+ return -EBUSY;
+ }
+
+ memset(&hw, 0, sizeof(hw));
+ ide_std_init_ports(&hw, base, ctl);
+ hw.irq = IDE_ARM_IRQ;
+ hw.chipset = ide_generic;
+
+ return ide_host_add(NULL, hws, NULL);
+}
+
+module_init(ide_arm_init);
+
+MODULE_LICENSE("GPL");