1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/*
|
|
* linux/include/asm-arm/arch-sa1100/ide.h
|
|
*
|
|
* Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre
|
|
*
|
|
* 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
|
|
* Get rid of the special ide_init_hwif_ports() functions
|
|
* and make a generalised function that can be used by all
|
|
* architectures.
|
|
*/
|
|
|
|
#include <linux/config.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#error "This code is broken and needs update to match with current ide support"
|
|
|
|
|
|
/*
|
|
* 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, unsigned long data_port,
|
|
unsigned long ctrl_port, int *irq)
|
|
{
|
|
unsigned long reg = data_port;
|
|
int i;
|
|
int regincr = 1;
|
|
|
|
/* The Empeg board has the first two address lines unused */
|
|
if (machine_is_empeg())
|
|
regincr = 1 << 2;
|
|
|
|
/* The LART doesn't use A0 for IDE */
|
|
if (machine_is_lart())
|
|
regincr = 1 << 1;
|
|
|
|
memset(hw, 0, sizeof(*hw));
|
|
|
|
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
|
|
hw->io_ports[i] = reg;
|
|
reg += regincr;
|
|
}
|
|
|
|
hw->io_ports[IDE_CONTROL_OFFSET] = 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_lart()) {
|
|
#ifdef CONFIG_SA1100_LART
|
|
hw_regs_t hw;
|
|
|
|
/* Enable GPIO as interrupt line */
|
|
GPDR &= ~LART_GPIO_IDE;
|
|
set_irq_type(LART_IRQ_IDE, IRQT_RISING);
|
|
|
|
/* set PCMCIA interface timing */
|
|
MECR = 0x00060006;
|
|
|
|
/* init the interface */
|
|
ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL);
|
|
hw.irq = LART_IRQ_IDE;
|
|
ide_register_hw(&hw);
|
|
#endif
|
|
}
|
|
}
|