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/*
* linux/include/asm-arm/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/*
* This file contains the i386 architecture specific IDE code.
*/
#ifndef __ASMARM_IDE_H
#define __ASMARM_IDE_H
#ifdef __KERNEL__
#ifndef MAX_HWIFS
#define MAX_HWIFS 4
#endif
#include <asm/irq.h>
#include <asm/mach-types.h>
/* JMA 18.05.03 these will never be needed, but the kernel needs them to compile */
#define __ide_mm_insw(port,addr,len) readsw(port,addr,len)
#define __ide_mm_insl(port,addr,len) readsl(port,addr,len)
#define __ide_mm_outsw(port,addr,len) writesw(port,addr,len)
#define __ide_mm_outsl(port,addr,len) writesl(port,addr,len)
/*
* Set up a hw structure for a specified data port, control port and IRQ.
* This should follow whatever the default interface uses.
*/
static __inline__ void
ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq)
{
ide_ioreg_t reg = (ide_ioreg_t) data_port;
int i;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;
if (irq)
*irq = 0;
}
/*
* This registers the standard ports for this architecture with the IDE
* driver.
*/
static __inline__ void ide_init_default_hwifs(void)
{
if (machine_is_a5k()) {
hw_regs_t hw;
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, NULL);
hw.irq = IRQ_HARDDISK;
ide_register_hw(&hw,NULL);
}
}
/*
* We always use the new IDE port registering,
* so these are fixed here.
*/
#define ide_default_io_base(i) ((ide_ioreg_t)0)
#define ide_default_irq(b) (0)
#endif /* __KERNEL__ */
#endif /* __ASMARM_IDE_H */
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