1/*
2 * linux/include/asm-arm/arch-sa1100/ide.h
3 *
4 * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre
5 *
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
9 *              architectures.
10 */
11
12#include <asm/irq.h>
13#include <asm/hardware.h>
14#include <asm/mach-types.h>
15
16#error "This code is broken and needs update to match with current ide support"
17
18
19/*
20 * Set up a hw structure for a specified data port, control port and IRQ.
21 * This should follow whatever the default interface uses.
22 */
23static inline void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
24				       unsigned long ctrl_port, int *irq)
25{
26	unsigned long reg = data_port;
27	int i;
28	int regincr = 1;
29
30	/* The Empeg board has the first two address lines unused */
31	if (machine_is_empeg())
32		regincr = 1 << 2;
33
34	/* The LART doesn't use A0 for IDE */
35	if (machine_is_lart())
36		regincr = 1 << 1;
37
38	memset(hw, 0, sizeof(*hw));
39
40	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
41		hw->io_ports[i] = reg;
42		reg += regincr;
43	}
44
45	hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
46
47	if (irq)
48		*irq = 0;
49}
50
51/*
52 * This registers the standard ports for this architecture with the IDE
53 * driver.
54 */
55static __inline__ void
56ide_init_default_hwifs(void)
57{
58    if (machine_is_lart()) {
59#ifdef CONFIG_SA1100_LART
60        hw_regs_t hw;
61
62        /* Enable GPIO as interrupt line */
63        GPDR &= ~LART_GPIO_IDE;
64	set_irq_type(LART_IRQ_IDE, IRQT_RISING);
65
66        /* set PCMCIA interface timing */
67        MECR = 0x00060006;
68
69        /* init the interface */
70	ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
71        hw.irq = LART_IRQ_IDE;
72        ide_register_hw(&hw);
73#endif
74    }
75}
76