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falconide.c
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * linux/drivers/ide/falconide.c -- Atari Falcon IDE Driver
- *
- * Created 12 Jul 1997 by Geert Uytterhoeven
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive for
- * more details.
- */
- #include <linux/types.h>
- #include <linux/mm.h>
- #include <linux/interrupt.h>
- #include <linux/blkdev.h>
- #include <linux/hdreg.h>
- #include <linux/ide.h>
- #include <linux/init.h>
- #include <asm/setup.h>
- #include <asm/atarihw.h>
- #include <asm/atariints.h>
- #include <asm/atari_stdma.h>
- /*
- * Base of the IDE interface
- */
- #define ATA_HD_BASE 0xfff00000
- /*
- * Offsets from the above base
- */
- #define ATA_HD_DATA 0x00
- #define ATA_HD_ERROR 0x05 /* see err-bits */
- #define ATA_HD_NSECTOR 0x09 /* nr of sectors to read/write */
- #define ATA_HD_SECTOR 0x0d /* starting sector */
- #define ATA_HD_LCYL 0x11 /* starting cylinder */
- #define ATA_HD_HCYL 0x15 /* high byte of starting cyl */
- #define ATA_HD_SELECT 0x19 /* 101dhhhh , d=drive, hhhh=head */
- #define ATA_HD_STATUS 0x1d /* see status-bits */
- #define ATA_HD_CONTROL 0x39
- static int falconide_offsets[IDE_NR_PORTS] __initdata = {
- ATA_HD_DATA, ATA_HD_ERROR, ATA_HD_NSECTOR, ATA_HD_SECTOR, ATA_HD_LCYL,
- ATA_HD_HCYL, ATA_HD_SELECT, ATA_HD_STATUS, ATA_HD_CONTROL, -1
- };
- /*
- * Probe for a Falcon IDE interface
- */
- void __init falconide_init(void)
- {
- if (MACH_IS_ATARI && ATARIHW_PRESENT(IDE)) {
- hw_regs_t hw;
- int index;
- ide_setup_ports(&hw, (ide_ioreg_t)ATA_HD_BASE, falconide_offsets,
- 0, 0, NULL, IRQ_MFP_IDE);
- index = ide_register_hw(&hw, NULL);
- if (index != -1)
- printk("ide%d: Falcon IDE interfacen", index);
- }
- }