1/* 2 * linux/include/asm-arm/arch-rpc/ide.h 3 * 4 * Copyright (C) 1997 Russell King 5 * 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. 9 * 10 * Modifications: 11 * 29-07-1998 RMK Major re-work of IDE architecture specific code 12 */ 13#include <asm/irq.h> 14 15/* 16 * Set up a hw structure for a specified data port, control port and IRQ. 17 * This should follow whatever the default interface uses. 18 */ 19static __inline__ void 20ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq) 21{ 22 ide_ioreg_t reg = (ide_ioreg_t) data_port; 23 int i; 24 25 memset(hw, 0, sizeof(*hw)); 26 27 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { 28 hw->io_ports[i] = reg; 29 reg += 1; 30 } 31 hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port; 32 if (irq) 33 *irq = 0; 34} 35 36/* 37 * This registers the standard ports for this architecture with the IDE 38 * driver. 39 */ 40static __inline__ void 41ide_init_default_hwifs(void) 42{ 43 hw_regs_t hw; 44 45 ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL); 46 hw.irq = IRQ_HARDDISK; 47 ide_register_hw(&hw, NULL); 48} 49