2 * Copyright (C) 2000, 2001 Wolfgang Denk, wd@denx.de
3 * Modified for direct IDE interface
4 * by Thomas Lange, thomas@corelatus.com
5 * Modified for direct IDE interface on 8xx without using the PCMCIA
7 * by Steven.Scholz@imc-berlin.de
8 * Moved out of arch/ppc/kernel/m8xx_setup.c, other minor cleanups
9 * by Mathew Locke <mattl@mvista.com>
12 #include <linux/errno.h>
13 #include <linux/kernel.h>
15 #include <linux/stddef.h>
16 #include <linux/unistd.h>
17 #include <linux/ptrace.h>
18 #include <linux/slab.h>
19 #include <linux/user.h>
20 #include <linux/a.out.h>
21 #include <linux/tty.h>
22 #include <linux/major.h>
23 #include <linux/interrupt.h>
24 #include <linux/reboot.h>
25 #include <linux/init.h>
26 #include <linux/ioport.h>
27 #include <linux/ide.h>
28 #include <linux/bootmem.h>
30 #include <asm/mpc8xx.h>
32 #include <asm/processor.h>
34 #include <asm/pgtable.h>
36 #include <asm/8xx_immap.h>
37 #include <asm/machdep.h>
40 static int identify (volatile u8 *p);
41 static void print_fixed (volatile u8 *p);
42 static void print_funcid (int func);
43 static int check_ide_device (unsigned long base);
45 static void ide_interrupt_ack (void *dev);
46 static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio);
48 typedef struct ide_ioport_desc {
49 unsigned long base_off; /* Offset to PCMCIA memory */
50 unsigned long reg_off[IDE_NR_PORTS]; /* controller register offsets */
54 ide_ioport_desc_t ioport_dsc[MAX_HWIFS] = {
55 #ifdef IDE0_BASE_OFFSET
59 IDE0_ERROR_REG_OFFSET,
60 IDE0_NSECTOR_REG_OFFSET,
61 IDE0_SECTOR_REG_OFFSET,
64 IDE0_SELECT_REG_OFFSET,
65 IDE0_STATUS_REG_OFFSET,
66 IDE0_CONTROL_REG_OFFSET,
71 #ifdef IDE1_BASE_OFFSET
75 IDE1_ERROR_REG_OFFSET,
76 IDE1_NSECTOR_REG_OFFSET,
77 IDE1_SECTOR_REG_OFFSET,
80 IDE1_SELECT_REG_OFFSET,
81 IDE1_STATUS_REG_OFFSET,
82 IDE1_CONTROL_REG_OFFSET,
87 #endif /* IDE1_BASE_OFFSET */
88 #endif /* IDE0_BASE_OFFSET */
91 ide_pio_timings_t ide_pio_clocks[6];
92 int hold_time[6] = {30, 20, 15, 10, 10, 10 }; /* PIO Mode 5 with IORDY (nonstandard) */
95 * Warning: only 1 (ONE) PCMCIA slot supported here,
96 * which must be correctly initialized by the firmware (PPCBoot).
98 static int _slot_ = -1; /* will be read from PCMCIA registers */
100 /* Make clock cycles and always round up */
101 #define PCMCIA_MK_CLKS( t, T ) (( (t) * ((T)/1000000) + 999U ) / 1000U )
109 m8xx_ide_default_irq(unsigned long base)
111 #ifdef CONFIG_BLK_DEV_MPC8xx_IDE
112 if (base >= MAX_HWIFS)
115 printk("[%d] m8xx_ide_default_irq %d\n",__LINE__,ioport_dsc[base].irq);
117 return (ioport_dsc[base].irq);
124 m8xx_ide_default_io_base(int index)
129 #define M8XX_PCMCIA_CD2(slot) (0x10000000 >> (slot << 4))
130 #define M8XX_PCMCIA_CD1(slot) (0x08000000 >> (slot << 4))
133 * The TQM850L hardware has two pins swapped! Grrrrgh!
135 #ifdef CONFIG_TQM850L
136 #define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXOE
137 #define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXRESET
139 #define __MY_PCMCIA_GCRX_CXRESET PCMCIA_GCRX_CXRESET
140 #define __MY_PCMCIA_GCRX_CXOE PCMCIA_GCRX_CXOE
143 #if defined(CONFIG_BLK_DEV_MPC8xx_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
144 #define PCMCIA_SCHLVL IDE0_INTERRUPT /* Status Change Interrupt Level */
145 static int pcmcia_schlvl = PCMCIA_SCHLVL;
149 * See include/linux/ide.h for definition of hw_regs_t (p, base)
153 * m8xx_ide_init_hwif_ports for a direct IDE interface _using_
155 #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT)
157 m8xx_ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port,
158 unsigned long ctrl_port, int *irq)
160 unsigned long *p = hw->io_ports;
167 volatile pcmcia_win_t *win;
168 volatile pcmconf8xx_t *pcmp;
173 static unsigned long pcmcia_base = 0;
180 pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia));
184 * Read out PCMCIA registers. Since the reset values
185 * are undefined, we sure hope that they have been
189 /* Scan all registers for valid settings */
190 pcmcia_phy_base = 0xFFFFFFFF;
192 /* br0 is start of brX and orX regs */
193 win = (pcmcia_win_t *) \
194 (&(((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pbr0));
195 for (i = 0; i < 8; i++) {
196 if (win->or & 1) { /* This bank is marked as valid */
197 if (win->br < pcmcia_phy_base) {
198 pcmcia_phy_base = win->br;
200 if ((win->br + PCMCIA_MEM_SIZE) > pcmcia_phy_end) {
201 pcmcia_phy_end = win->br + PCMCIA_MEM_SIZE;
203 /* Check which slot that has been defined */
204 _slot_ = (win->or >> 2) & 1;
210 printk ("PCMCIA slot %c: phys mem %08x...%08x (size %08x)\n",
212 pcmcia_phy_base, pcmcia_phy_end,
213 pcmcia_phy_end - pcmcia_phy_base);
215 pcmcia_base=(unsigned long)ioremap(pcmcia_phy_base,
216 pcmcia_phy_end-pcmcia_phy_base);
219 printk ("PCMCIA virt base: %08lx\n", pcmcia_base);
221 /* Compute clock cycles for PIO timings */
222 for (i=0; i<6; ++i) {
223 bd_t *binfo = (bd_t *)__res;
226 PCMCIA_MK_CLKS (hold_time[i],
228 ide_pio_clocks[i].setup_time =
229 PCMCIA_MK_CLKS (ide_pio_timings[i].setup_time,
231 ide_pio_clocks[i].active_time =
232 PCMCIA_MK_CLKS (ide_pio_timings[i].active_time,
234 ide_pio_clocks[i].cycle_time =
235 PCMCIA_MK_CLKS (ide_pio_timings[i].cycle_time,
238 printk ("PIO mode %d timings: %d/%d/%d => %d/%d/%d\n",
240 ide_pio_clocks[i].setup_time,
241 ide_pio_clocks[i].active_time,
242 ide_pio_clocks[i].hold_time,
243 ide_pio_clocks[i].cycle_time,
244 ide_pio_timings[i].setup_time,
245 ide_pio_timings[i].active_time,
246 ide_pio_timings[i].hold_time,
247 ide_pio_timings[i].cycle_time);
252 if (data_port >= MAX_HWIFS)
256 printk ("PCMCIA slot has not been defined! Using A as default\n");
260 #ifdef CONFIG_IDE_8xx_PCCARD
263 printk ("PIPR = 0x%08X slot %c ==> mask = 0x%X\n",
266 M8XX_PCMCIA_CD1(_slot_) | M8XX_PCMCIA_CD2(_slot_) );
269 if (pcmp->pcmc_pipr & (M8XX_PCMCIA_CD1(_slot_)|M8XX_PCMCIA_CD2(_slot_))) {
270 printk ("No card in slot %c: PIPR=%08x\n",
271 'A' + _slot_, (u32) pcmp->pcmc_pipr);
272 return; /* No card in slot */
275 check_ide_device (pcmcia_base);
277 #endif /* CONFIG_IDE_8xx_PCCARD */
279 base = pcmcia_base + ioport_dsc[data_port].base_off;
281 printk ("base: %08x + %08x = %08x\n",
282 pcmcia_base, ioport_dsc[data_port].base_off, base);
285 for (i = 0; i < IDE_NR_PORTS; ++i) {
287 printk ("port[%d]: %08x + %08x = %08x\n",
290 ioport_dsc[data_port].reg_off[i],
291 i, base + ioport_dsc[data_port].reg_off[i]);
293 *p++ = base + ioport_dsc[data_port].reg_off[i];
297 #ifdef CONFIG_IDE_8xx_PCCARD
300 *irq = ioport_dsc[data_port].irq;
302 pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcrb;
304 pgcrx = &((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pgcra;
307 reg |= mk_int_int_mask (pcmcia_schlvl) << 24;
308 reg |= mk_int_int_mask (pcmcia_schlvl) << 16;
310 #else /* direct connected IDE drive, i.e. external IRQ, not the PCMCIA irq */
311 *irq = ioport_dsc[data_port].irq;
312 #endif /* CONFIG_IDE_8xx_PCCARD */
315 ide_hwifs[data_port].pio_mask = ATA_PIO4;
316 ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
317 ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
319 /* Enable Harddisk Interrupt,
320 * and make it edge sensitive
322 /* (11-18) Set edge detect for irq, no wakeup from low power mode */
323 ((immap_t *)IMAP_ADDR)->im_siu_conf.sc_siel |=
324 (0x80000000 >> ioport_dsc[data_port].irq);
326 #ifdef CONFIG_IDE_8xx_PCCARD
327 /* Make sure we don't get garbage irq */
328 ((immap_t *) IMAP_ADDR)->im_pcmcia.pcmc_pscr = 0xFFFF;
330 /* Enable falling edge irq */
331 pcmp->pcmc_per = 0x100000 >> (16 * _slot_);
332 #endif /* CONFIG_IDE_8xx_PCCARD */
333 } /* m8xx_ide_init_hwif_ports() using 8xx internal PCMCIA interface */
334 #endif /* CONFIG_IDE_8xx_PCCARD || CONFIG_IDE_8xx_DIRECT */
337 * m8xx_ide_init_hwif_ports for a direct IDE interface _not_ using
338 * MPC8xx's internal PCMCIA interface
340 #if defined(CONFIG_IDE_EXT_DIRECT)
341 void m8xx_ide_init_hwif_ports (hw_regs_t *hw,
342 unsigned long data_port, unsigned long ctrl_port, int *irq)
344 unsigned long *p = hw->io_ports;
349 static unsigned long ide_base = 0;
359 * - add code to read ORx, BRx
361 ide_phy_base = CFG_ATA_BASE_ADDR;
362 ide_phy_end = CFG_ATA_BASE_ADDR + 0x200;
364 printk ("IDE phys mem : %08x...%08x (size %08x)\n",
365 ide_phy_base, ide_phy_end,
366 ide_phy_end - ide_phy_base);
368 ide_base=(unsigned long)ioremap(ide_phy_base,
369 ide_phy_end-ide_phy_base);
372 printk ("IDE virt base: %08lx\n", ide_base);
376 if (data_port >= MAX_HWIFS)
379 base = ide_base + ioport_dsc[data_port].base_off;
381 printk ("base: %08x + %08x = %08x\n",
382 ide_base, ioport_dsc[data_port].base_off, base);
385 for (i = 0; i < IDE_NR_PORTS; ++i) {
387 printk ("port[%d]: %08x + %08x = %08x\n",
390 ioport_dsc[data_port].reg_off[i],
391 i, base + ioport_dsc[data_port].reg_off[i]);
393 *p++ = base + ioport_dsc[data_port].reg_off[i];
397 /* direct connected IDE drive, i.e. external IRQ */
398 *irq = ioport_dsc[data_port].irq;
401 ide_hwifs[data_port].pio_mask = ATA_PIO4;
402 ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
403 ide_hwifs[data_port].ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
405 /* Enable Harddisk Interrupt,
406 * and make it edge sensitive
408 /* (11-18) Set edge detect for irq, no wakeup from low power mode */
409 ((immap_t *) IMAP_ADDR)->im_siu_conf.sc_siel |=
410 (0x80000000 >> ioport_dsc[data_port].irq);
411 } /* m8xx_ide_init_hwif_ports() for CONFIG_IDE_8xx_DIRECT */
413 #endif /* CONFIG_IDE_8xx_DIRECT */
416 /* -------------------------------------------------------------------- */
421 #define PCMCIA_SHT(t) ((t & 0x0F)<<16) /* Strobe Hold Time */
422 #define PCMCIA_SST(t) ((t & 0x0F)<<12) /* Strobe Setup Time */
423 #define PCMCIA_SL(t) ((t==32) ? 0 : ((t & 0x1F)<<7)) /* Strobe Length */
426 /* Calculate PIO timings */
427 static void m8xx_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
429 #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT)
430 volatile pcmconf8xx_t *pcmp;
431 ulong timing, mask, reg;
433 pcmp = (pcmconf8xx_t *)(&(((immap_t *)IMAP_ADDR)->im_pcmcia));
435 mask = ~(PCMCIA_SHT(0xFF) | PCMCIA_SST(0xFF) | PCMCIA_SL(0xFF));
437 timing = PCMCIA_SHT(hold_time[pio] )
438 | PCMCIA_SST(ide_pio_clocks[pio].setup_time )
439 | PCMCIA_SL (ide_pio_clocks[pio].active_time)
443 printk ("Setting timing bits 0x%08lx in PCMCIA controller\n", timing);
445 if ((reg = pcmp->pcmc_por0 & mask) != 0)
446 pcmp->pcmc_por0 = reg | timing;
448 if ((reg = pcmp->pcmc_por1 & mask) != 0)
449 pcmp->pcmc_por1 = reg | timing;
451 if ((reg = pcmp->pcmc_por2 & mask) != 0)
452 pcmp->pcmc_por2 = reg | timing;
454 if ((reg = pcmp->pcmc_por3 & mask) != 0)
455 pcmp->pcmc_por3 = reg | timing;
457 if ((reg = pcmp->pcmc_por4 & mask) != 0)
458 pcmp->pcmc_por4 = reg | timing;
460 if ((reg = pcmp->pcmc_por5 & mask) != 0)
461 pcmp->pcmc_por5 = reg | timing;
463 if ((reg = pcmp->pcmc_por6 & mask) != 0)
464 pcmp->pcmc_por6 = reg | timing;
466 if ((reg = pcmp->pcmc_por7 & mask) != 0)
467 pcmp->pcmc_por7 = reg | timing;
469 #elif defined(CONFIG_IDE_EXT_DIRECT)
471 printk("%s[%d] %s: not implemented yet!\n",
472 __FILE__,__LINE__,__FUNCTION__);
473 #endif /* defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_PCMCIA */
477 ide_interrupt_ack (void *dev)
479 #ifdef CONFIG_IDE_8xx_PCCARD
482 #if (PCMCIA_SOCKETS_NO == 2)
486 /* get interrupt sources */
488 pscr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr;
489 pipr = ((volatile immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pipr;
492 * report only if both card detect signals are the same
494 * we depend on that CD2 is the bit to the left of CD1...
498 printk("PCMCIA slot has not been defined! Using A as default\n");
502 if(((pipr & M8XX_PCMCIA_CD2(_slot_)) >> 1) ^
503 (pipr & M8XX_PCMCIA_CD1(_slot_)) ) {
504 printk ("card detect interrupt\n");
506 /* clear the interrupt sources */
507 ((immap_t *)IMAP_ADDR)->im_pcmcia.pcmc_pscr = pscr;
509 #else /* ! CONFIG_IDE_8xx_PCCARD */
511 * Only CONFIG_IDE_8xx_PCCARD is using the interrupt of the
512 * MPC8xx's PCMCIA controller, so there is nothing to be done here
513 * for CONFIG_IDE_8xx_DIRECT and CONFIG_IDE_EXT_DIRECT.
514 * The interrupt is handled somewhere else. -- Steven
516 #endif /* CONFIG_IDE_8xx_PCCARD */
524 #define CISTPL_NULL 0x00
525 #define CISTPL_DEVICE 0x01
526 #define CISTPL_LONGLINK_CB 0x02
527 #define CISTPL_INDIRECT 0x03
528 #define CISTPL_CONFIG_CB 0x04
529 #define CISTPL_CFTABLE_ENTRY_CB 0x05
530 #define CISTPL_LONGLINK_MFC 0x06
531 #define CISTPL_BAR 0x07
532 #define CISTPL_PWR_MGMNT 0x08
533 #define CISTPL_EXTDEVICE 0x09
534 #define CISTPL_CHECKSUM 0x10
535 #define CISTPL_LONGLINK_A 0x11
536 #define CISTPL_LONGLINK_C 0x12
537 #define CISTPL_LINKTARGET 0x13
538 #define CISTPL_NO_LINK 0x14
539 #define CISTPL_VERS_1 0x15
540 #define CISTPL_ALTSTR 0x16
541 #define CISTPL_DEVICE_A 0x17
542 #define CISTPL_JEDEC_C 0x18
543 #define CISTPL_JEDEC_A 0x19
544 #define CISTPL_CONFIG 0x1a
545 #define CISTPL_CFTABLE_ENTRY 0x1b
546 #define CISTPL_DEVICE_OC 0x1c
547 #define CISTPL_DEVICE_OA 0x1d
548 #define CISTPL_DEVICE_GEO 0x1e
549 #define CISTPL_DEVICE_GEO_A 0x1f
550 #define CISTPL_MANFID 0x20
551 #define CISTPL_FUNCID 0x21
552 #define CISTPL_FUNCE 0x22
553 #define CISTPL_SWIL 0x23
554 #define CISTPL_END 0xff
557 * CIS Function ID codes
559 #define CISTPL_FUNCID_MULTI 0x00
560 #define CISTPL_FUNCID_MEMORY 0x01
561 #define CISTPL_FUNCID_SERIAL 0x02
562 #define CISTPL_FUNCID_PARALLEL 0x03
563 #define CISTPL_FUNCID_FIXED 0x04
564 #define CISTPL_FUNCID_VIDEO 0x05
565 #define CISTPL_FUNCID_NETWORK 0x06
566 #define CISTPL_FUNCID_AIMS 0x07
567 #define CISTPL_FUNCID_SCSI 0x08
570 * Fixed Disk FUNCE codes
572 #define CISTPL_IDE_INTERFACE 0x01
574 #define CISTPL_FUNCE_IDE_IFACE 0x01
575 #define CISTPL_FUNCE_IDE_MASTER 0x02
576 #define CISTPL_FUNCE_IDE_SLAVE 0x03
578 /* First feature byte */
579 #define CISTPL_IDE_SILICON 0x04
580 #define CISTPL_IDE_UNIQUE 0x08
581 #define CISTPL_IDE_DUAL 0x10
583 /* Second feature byte */
584 #define CISTPL_IDE_HAS_SLEEP 0x01
585 #define CISTPL_IDE_HAS_STANDBY 0x02
586 #define CISTPL_IDE_HAS_IDLE 0x04
587 #define CISTPL_IDE_LOW_POWER 0x08
588 #define CISTPL_IDE_REG_INHIBIT 0x10
589 #define CISTPL_IDE_HAS_INDEX 0x20
590 #define CISTPL_IDE_IOIS16 0x40
593 /* -------------------------------------------------------------------- */
596 #define MAX_TUPEL_SZ 512
597 #define MAX_FEATURES 4
599 static int check_ide_device (unsigned long base)
601 volatile u8 *ident = NULL;
602 volatile u8 *feature_p[MAX_FEATURES];
603 volatile u8 *p, *start;
607 unsigned short config_base = 0;
612 printk ("PCMCIA MEM: %08lX\n", base);
614 start = p = (volatile u8 *) base;
616 while ((p - start) < MAX_TUPEL_SZ) {
620 if (code == 0xFF) { /* End of chain */
626 { volatile u8 *q = p;
627 printk ("\nTuple code %02x length %d\n\tData:",
630 for (i = 0; i < len; ++i) {
631 printk (" %02x", *q);
635 #endif /* DEBUG_PCMCIA */
644 if (n_features < MAX_FEATURES)
645 feature_p[n_features++] = p;
648 config_base = (*(p+6) << 8) + (*(p+4));
655 found = identify (ident);
657 if (func_id != ((u8)~0)) {
658 print_funcid (func_id);
660 if (func_id == CISTPL_FUNCID_FIXED)
663 return (1); /* no disk drive */
666 for (i=0; i<n_features; ++i) {
667 print_fixed (feature_p[i]);
671 printk ("unknown card type\n");
675 /* set level mode irq and I/O mapped device in config reg*/
676 *((u8 *)(base + config_base)) = 0x41;
681 /* ------------------------------------------------------------------------- */
683 static void print_funcid (int func)
686 case CISTPL_FUNCID_MULTI:
687 printk (" Multi-Function");
689 case CISTPL_FUNCID_MEMORY:
692 case CISTPL_FUNCID_SERIAL:
693 printk (" Serial Port");
695 case CISTPL_FUNCID_PARALLEL:
696 printk (" Parallel Port");
698 case CISTPL_FUNCID_FIXED:
699 printk (" Fixed Disk");
701 case CISTPL_FUNCID_VIDEO:
702 printk (" Video Adapter");
704 case CISTPL_FUNCID_NETWORK:
705 printk (" Network Adapter");
707 case CISTPL_FUNCID_AIMS:
708 printk (" AIMS Card");
710 case CISTPL_FUNCID_SCSI:
711 printk (" SCSI Adapter");
720 /* ------------------------------------------------------------------------- */
722 static void print_fixed (volatile u8 *p)
728 case CISTPL_FUNCE_IDE_IFACE:
731 printk ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown");
732 printk (" interface ");
735 case CISTPL_FUNCE_IDE_MASTER:
736 case CISTPL_FUNCE_IDE_SLAVE:
740 printk ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]");
742 if (f1 & CISTPL_IDE_UNIQUE)
743 printk (" [unique]");
745 printk ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]");
747 if (f2 & CISTPL_IDE_HAS_SLEEP)
750 if (f2 & CISTPL_IDE_HAS_STANDBY)
751 printk (" [standby]");
753 if (f2 & CISTPL_IDE_HAS_IDLE)
756 if (f2 & CISTPL_IDE_LOW_POWER)
757 printk (" [low power]");
759 if (f2 & CISTPL_IDE_REG_INHIBIT)
760 printk (" [reg inhibit]");
762 if (f2 & CISTPL_IDE_HAS_INDEX)
765 if (f2 & CISTPL_IDE_IOIS16)
766 printk (" [IOis16]");
774 /* ------------------------------------------------------------------------- */
777 #define MAX_IDENT_CHARS 64
778 #define MAX_IDENT_FIELDS 4
780 static u8 *known_cards[] = {
785 static int identify (volatile u8 *p)
787 u8 id_str[MAX_IDENT_CHARS];
794 return (0); /* Don't know */
799 for (i=0; i<=4 && !done; ++i, p+=2) {
800 while ((data = *p) != '\0') {
806 if (t == &id_str[MAX_IDENT_CHARS-1]) {
816 while (--t > id_str) {
822 printk ("Card ID: %s\n", id_str);
824 for (card=known_cards; *card; ++card) {
825 if (strcmp(*card, id_str) == 0) { /* found! */
830 return (0); /* don't know */
833 void m8xx_ide_init(void)
835 ppc_ide_md.default_irq = m8xx_ide_default_irq;
836 ppc_ide_md.default_io_base = m8xx_ide_default_io_base;
837 ppc_ide_md.ide_init_hwif = m8xx_ide_init_hwif_ports;
840 static int __init mpc8xx_ide_probe(void)
842 u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
844 #ifdef IDE0_BASE_OFFSET
846 #ifdef IDE1_BASE_OFFSET
851 ide_device_add(idx, NULL);
856 module_init(mpc8xx_ide_probe);