patch-2.3.99-pre1 linux/drivers/block/q40ide.c
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- Lines: 110
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.51/linux/drivers/block/q40ide.c
- Orig date:
Mon Dec 20 18:48:21 1999
diff -u --recursive --new-file v2.3.51/linux/drivers/block/q40ide.c linux/drivers/block/q40ide.c
@@ -1,109 +0,0 @@
-/*
- * linux/drivers/block/q40ide.c -- Q40 I/O port IDE Driver
- *
- * original file 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.
- *
- * RZ:
- * almost identical with pcide.c, maybe we can merge it later.
- * Differences:
- * max 2 HWIFS for now
- * translate portaddresses to q40 native addresses (not yet...) instead rely on in/out[bw]
- * address translation
- *
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/blkdev.h>
-#include <linux/hdreg.h>
-
-#include <linux/ide.h>
-
- /*
- * Bases of the IDE interfaces
- */
-
-#define PCIDE_NUM_HWIFS 2
-
-#define PCIDE_BASE1 0x1f0
-#define PCIDE_BASE2 0x170
-#define PCIDE_BASE3 0x1e8
-#define PCIDE_BASE4 0x168
-#define PCIDE_BASE5 0x1e0
-#define PCIDE_BASE6 0x160
-
-static const q40ide_ioreg_t pcide_bases[PCIDE_NUM_HWIFS] = {
- PCIDE_BASE1, PCIDE_BASE2, /* PCIDE_BASE3, PCIDE_BASE4 , PCIDE_BASE5,
- PCIDE_BASE6 */
-};
-
-
- /*
- * Offsets from one of the above bases
- */
-
-#undef HD_DATA
-#define HD_DATA 0x1f0
-
-#define PCIDE_REG(x) ((q40ide_ioreg_t)(HD_##x-PCIDE_BASE1))
-
-static const int pcide_offsets[IDE_NR_PORTS] = {
- PCIDE_REG(DATA), PCIDE_REG(ERROR), PCIDE_REG(NSECTOR), PCIDE_REG(SECTOR),
- PCIDE_REG(LCYL), PCIDE_REG(HCYL), PCIDE_REG(CURRENT), PCIDE_REG(STATUS),
- PCIDE_REG(CMD)
-};
-
-int q40ide_default_irq(q40ide_ioreg_t base)
-{
- switch (base) {
- case 0x1f0: return 14;
- case 0x170: return 15;
- case 0x1e8: return 11;
- default:
- return 0;
- }
-}
-
-void q40_ide_init_hwif_ports (q40ide_ioreg_t *p, q40ide_ioreg_t base, int *irq)
-{
- q40ide_ioreg_t port = base;
- int i = 8;
-
- while (i--)
- *p++ = port++;
- *p++ = base + 0x206;
- if (irq != NULL)
- *irq = 0;
-}
-
-
- /*
- * Probe for PC IDE interfaces
- */
-
-int q40ide_probe_hwif(int index, ide_hwif_t *hwif)
-{
- static int pcide_index[PCIDE_NUM_HWIFS] = { 0, };
- int i;
-
- if (!MACH_IS_Q40)
- return 0;
-
- for (i = 0; i < PCIDE_NUM_HWIFS; i++) {
- if (!pcide_index[i]) {
- /*printk("ide%d: Q40 IDE interface\n", index);*/
- pcide_index[i] = index+1;
- }
- if (pcide_index[i] == index+1) {
- ide_setup_ports(hwif,(ide_ioreg_t) pcide_bases[i], pcide_offsets, 0, /*q40_ack_intr???*/ NULL);
- hwif->irq = ide_default_irq((ide_ioreg_t)pcide_bases[i]); /*q40_ide_irq[i]; */ /* 14 */
- return 1;
- }
- }
- return 0;
-}
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