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/*
* Copyright (c) 2003-2004 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/ide.h>
#include <linux/init.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/arch/map.h>
#include <asm/arch/bast-map.h>
#include <asm/arch/bast-irq.h>
#define DRV_NAME "bast-ide"
static int __init bastide_register(unsigned int base, unsigned int aux, int irq)
{
ide_hwif_t *hwif;
hw_regs_t hw;
int i;
u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
memset(&hw, 0, sizeof(hw));
base += BAST_IDE_CS;
aux += BAST_IDE_CS;
for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
hw.io_ports[i] = (unsigned long)base;
base += 0x20;
}
hw.io_ports[IDE_CONTROL_OFFSET] = aux + (6 * 0x20);
hw.irq = irq;
hwif = ide_find_port();
if (hwif == NULL)
goto out;
i = hwif->index;
if (hwif->present)
ide_unregister(i);
else
ide_init_port_data(hwif, i);
ide_init_port_hw(hwif, &hw);
hwif->mmio = 1;
hwif->port_ops = NULL;
idx[0] = i;
ide_device_add(idx, NULL);
out:
return 0;
}
static int __init bastide_init(void)
{
unsigned long base = BAST_VA_IDEPRI + BAST_IDE_CS;
/* we can treat the VR1000 and the BAST the same */
if (!(machine_is_bast() || machine_is_vr1000()))
return 0;
printk("BAST: IDE driver, (c) 2003-2004 Simtec Electronics\n");
if (!request_mem_region(base, 0x400000, DRV_NAME)) {
printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
return -EBUSY;
}
bastide_register(BAST_VA_IDEPRI, BAST_VA_IDEPRIAUX, IRQ_IDE0);
bastide_register(BAST_VA_IDESEC, BAST_VA_IDESECAUX, IRQ_IDE1);
return 0;
}
module_init(bastide_init);
MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Simtec BAST / Thorcom VR1000 IDE driver");
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