2 * linux/include/asm-arm/arch-arc/ide.h
4 * Copyright (C) 1997,1998 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * IDE definitions for the Acorn Archimedes/A5000
14 * 04-04-1998 PJB Merged `arc' and `a5k' versions
15 * 01-07-1998 RMK Added new ide_ioregspec_t
16 * 29-07-1998 RMK Major re-work of IDE architecture specific code
19 #include <asm/mach-types.h>
22 * Set up a hw structure for a specified data port, control port and IRQ.
23 * This should follow whatever the default interface uses.
25 static __inline__ void
26 ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq)
28 ide_ioreg_t reg = (ide_ioreg_t) data_port;
31 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
32 hw->io_ports[i] = reg;
35 hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;
41 * This registers the standard ports for this architecture with the IDE
44 static __inline__ void ide_init_default_hwifs(void)
46 if (machine_is_a5k()) {
49 memset(&hw, 0, sizeof(hw));
51 ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
52 hw.irq = IRQ_HARDDISK;
53 ide_register_hw(&hw, NULL);