diff options
Diffstat (limited to 'drivers/ide/ide_arm.c')
-rw-r--r-- | drivers/ide/ide_arm.c | 56 |
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 000000000000..f728f2927b5a --- /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"); |