blob: d928d8596e1471ee875cd5c83f931bc6180b0ed6 [file] [log] [blame]
/*
* linux/include/asm-arm/arch-cl7500/ide.h
*
* Copyright (c) 1997 Russell King
*
* Modifications:
* 29-07-1998 RMK Major re-work of IDE architecture specific code
*/
#include <asm/irq.h>
#include <asm/arch/hardware.h>
/*
* 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 = data_port;
int i;
memset(hw, 0, sizeof(*hw));
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw->io_ports[i] = reg;
reg += 1;
}
if (ctrl_port) {
hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
} else {
hw->io_ports[IDE_CONTROL_OFFSET] = data_port + 0x206;
}
if (irq != NULL)
*irq = 0;
hw->io_ports[IDE_IRQ_OFFSET] = 0;
}
/*
* This registers the standard ports for this architecture with the IDE
* driver.
*/
static __inline__ void
ide_init_default_hwifs(void)
{
hw_regs_t hw;
ide_init_hwif_ports(&hw, ISASLOT_IO + 0x1f0, ISASLOT_IO + 0x3f6, NULL);
hw.irq = IRQ_ISA_14;
ide_register_hw(&hw, NULL);
}