2 * linux/include/asm-arm/arch-sa1100/ide.h
4 * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre
6 * 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
7 * Get rid of the special ide_init_hwif_ports() functions
8 * and make a generalised function that can be used by all
12 #include <linux/config.h>
14 #include <asm/hardware.h>
15 #include <asm/mach-types.h>
17 #error "This code is broken and needs update to match with current ide support"
21 * Set up a hw structure for a specified data port, control port and IRQ.
22 * This should follow whatever the default interface uses.
24 static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
25 unsigned long ctrl_port, int *irq)
27 unsigned long reg = data_port;
31 /* The Empeg board has the first two address lines unused */
32 if (machine_is_empeg())
35 /* The LART doesn't use A0 for IDE */
36 if (machine_is_lart())
39 memset(hw, 0, sizeof(*hw));
41 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
42 hw->io_ports[i] = reg;
46 hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
53 * This registers the standard ports for this architecture with the IDE
56 static __inline__ void
57 ide_init_default_hwifs(void)
59 if (machine_is_lart()) {
60 #ifdef CONFIG_SA1100_LART
63 /* Enable GPIO as interrupt line */
64 GPDR &= ~LART_GPIO_IDE;
65 set_irq_type(LART_IRQ_IDE, IRQT_RISING);
67 /* set PCMCIA interface timing */
70 /* init the interface */
71 ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
72 hw.irq = LART_IRQ_IDE;