patch-2.3.99-pre1 linux/drivers/block/buddha.c

• Lines: 166
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.51/linux/drivers/block/buddha.c
• Orig date: Sat Feb 26 22:31:43 2000

diff -u --recursive --new-file v2.3.51/linux/drivers/block/buddha.c linux/drivers/block/buddha.c
@@ -1,165 +0,0 @@
-/*
- *  linux/drivers/block/buddha.c -- Amiga Buddha and Catweasel IDE Driver
- *
- *	Copyright (C) 1997 by Geert Uytterhoeven
- *
- *  This driver was written by based on the specifications in README.buddha.
- *
- *  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.
- *
- *  TODO:
- *    - test it :-)
- *    - tune the timings using the speed-register
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/blkdev.h>
-#include <linux/hdreg.h>
-#include <linux/zorro.h>
-#include <linux/ide.h>
-
-#include <asm/amigahw.h>
-#include <asm/amigaints.h>
-
-
-    /*
-     *  The Buddha has 2 IDE interfaces, the Catweasel has 3
-     */
-
-#define BUDDHA_NUM_HWIFS	2
-#define CATWEASEL_NUM_HWIFS	3
-
-
-    /*
-     *  Bases of the IDE interfaces (relative to the board address)
-     */
-
-#define BUDDHA_BASE1	0x800
-#define BUDDHA_BASE2	0xa00
-#define BUDDHA_BASE3	0xc00
-
-static const u_int __init buddha_bases[CATWEASEL_NUM_HWIFS] = {
-    BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3
-};
-
-
-    /*
-     *  Offsets from one of the above bases
-     */
-
-#define BUDDHA_DATA	0x00
-#define BUDDHA_ERROR	0x06		/* see err-bits */
-#define BUDDHA_NSECTOR	0x0a		/* nr of sectors to read/write */
-#define BUDDHA_SECTOR	0x0e		/* starting sector */
-#define BUDDHA_LCYL	0x12		/* starting cylinder */
-#define BUDDHA_HCYL	0x16		/* high byte of starting cyl */
-#define BUDDHA_SELECT	0x1a		/* 101dhhhh , d=drive, hhhh=head */
-#define BUDDHA_STATUS	0x1e		/* see status-bits */
-#define BUDDHA_CONTROL	0x11a
-
-static int __init buddha_offsets[IDE_NR_PORTS] = {
-    BUDDHA_DATA, BUDDHA_ERROR, BUDDHA_NSECTOR, BUDDHA_SECTOR, BUDDHA_LCYL,
-    BUDDHA_HCYL, BUDDHA_SELECT, BUDDHA_STATUS, BUDDHA_CONTROL
-};
-
-
-    /*
-     *  Other registers
-     */
-
-#define BUDDHA_IRQ1	0xf00		/* MSB = 1, Harddisk is source of */
-#define BUDDHA_IRQ2	0xf40		/* interrupt */
-#define BUDDHA_IRQ3	0xf80
-
-static const int __init buddha_irqports[CATWEASEL_NUM_HWIFS] = {
-    BUDDHA_IRQ1, BUDDHA_IRQ2, BUDDHA_IRQ3
-};
-
-#define BUDDHA_IRQ_MR	0xfc0		/* master interrupt enable */
-
-
-    /*
-     *  Board information
-     */
-
-static u_long buddha_board = 0;
-static int buddha_num_hwifs = -1;
-
-
-    /*
-     *  Check and acknowledge the interrupt status
-     */
-
-static int buddha_ack_intr(ide_hwif_t *hwif)
-{
-    unsigned char ch;
-
-    ch = inb(hwif->io_ports[IDE_IRQ_OFFSET]);
-    if (!(ch & 0x80))
-	return 0;
-    return 1;
-}
-
-
-    /*
-     *  Any Buddha or Catweasel boards present?
-     */
-
-static int __init find_buddha(void)
-{
-    struct zorro_dev *z = NULL;
-
-    buddha_num_hwifs = 0;
-    while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
-	unsigned long board;
-	const char *name;
-	if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) {
-	    buddha_num_hwifs = BUDDHA_NUM_HWIFS;
-	    name = "Buddha IDE Interface";
-	} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_CATWEASEL) {
-	    buddha_num_hwifs = CATWEASEL_NUM_HWIFS;
-	    name = "Catweasel IDE Interface and Floppy Controller";
-	} else
-	    continue;
-	board = z->resource.start;
-	if (!request_mem_region(board+BUDDHA_BASE1, 0x800, "IDE"))
-	    continue;
-	strcpy(z->name, name);
-	buddha_board = ZTWO_VADDR(board);
-	/* write to BUDDHA_IRQ_MR to enable the board IRQ */
-	*(char *)(buddha_board+BUDDHA_IRQ_MR) = 0;
-	break;
-    }
-    return buddha_num_hwifs;
-}
-
-
-    /*
-     *  Probe for a Buddha or Catweasel IDE interface
-     *  We support only _one_ of them, no multiple boards!
-     */
-
-void __init buddha_init(void)
-{
-    hw_regs_t hw;
-    int i, index;
-
-    if (buddha_num_hwifs < 0 && !find_buddha())
-	return;
-
-    for (i = 0; i < buddha_num_hwifs; i++) {
-	ide_setup_ports(&hw, (ide_ioreg_t)(buddha_board+buddha_bases[i]),
-			buddha_offsets, 0,
-			(ide_ioreg_t)(buddha_board+buddha_irqports[i]),
-			buddha_ack_intr, IRQ_AMIGA_PORTS);
-	index = ide_register_hw(&hw, NULL);
-	if (index != -1)
-	    printk("ide%d: %s IDE interface\n", index,
-		   buddha_num_hwifs == BUDDHA_NUM_HWIFS ? "Buddha" :
-		   					  "Catweasel");
-    }
-}