2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <asm/byteorder.h>
36 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
51 #ifdef CONFIG_STATUS_LED
52 # include <status_led.h>
55 #ifdef CONFIG_IDE_8xx_DIRECT
56 DECLARE_GLOBAL_DATA_PTR
;
60 # define EIEIO __asm__ volatile ("eieio")
61 # define SYNC __asm__ volatile ("sync")
63 # define EIEIO /* nothing */
64 # define SYNC /* nothing */
67 #ifdef CONFIG_IDE_8xx_DIRECT
68 /* Timings for IDE Interface
70 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
71 * 70 165 30 PIO-Mode 0, [ns]
73 * 50 125 20 PIO-Mode 1, [ns]
75 * 30 100 15 PIO-Mode 2, [ns]
77 * 30 80 10 PIO-Mode 3, [ns]
79 * 25 70 10 PIO-Mode 4, [ns]
83 const static pio_config_t pio_config_ns
[IDE_MAX_PIO_MODE
+1] =
85 /* Setup Length Hold */
86 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
87 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
88 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
89 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
90 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
93 static pio_config_t pio_config_clk
[IDE_MAX_PIO_MODE
+1];
95 #ifndef CONFIG_SYS_PIO_MODE
96 #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
98 static int pio_mode
= CONFIG_SYS_PIO_MODE
;
100 /* Make clock cycles and always round up */
102 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
104 #endif /* CONFIG_IDE_8xx_DIRECT */
106 /* ------------------------------------------------------------------------- */
108 /* Current I/O Device */
109 static int curr_device
= -1;
111 /* Current offset for IDE0 / IDE1 bus access */
112 ulong ide_bus_offset
[CONFIG_SYS_IDE_MAXBUS
] = {
113 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
114 CONFIG_SYS_ATA_IDE0_OFFSET
,
116 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
117 CONFIG_SYS_ATA_IDE1_OFFSET
,
122 #ifndef CONFIG_AMIGAONEG3SE
123 static int ide_bus_ok
[CONFIG_SYS_IDE_MAXBUS
];
125 static int ide_bus_ok
[CONFIG_SYS_IDE_MAXBUS
] = {0,};
128 block_dev_desc_t ide_dev_desc
[CONFIG_SYS_IDE_MAXDEVICE
];
129 /* ------------------------------------------------------------------------- */
131 #ifdef CONFIG_IDE_LED
132 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
133 static void ide_led (uchar led
, uchar status
);
135 extern void ide_led (uchar led
, uchar status
);
138 #ifndef CONFIG_AMIGAONEG3SE
139 #define ide_led(a,b) /* dummy */
141 extern void ide_led(uchar led
, uchar status
);
144 #define CONFIG_IDE_LED 1
145 #define DEVICE_LED(x) 1
149 #ifdef CONFIG_IDE_RESET
150 static void ide_reset (void);
152 #define ide_reset() /* dummy */
155 static void ide_ident (block_dev_desc_t
*dev_desc
);
156 static uchar
ide_wait (int dev
, ulong t
);
158 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
160 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
162 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
164 static void input_data(int dev
, ulong
*sect_buf
, int words
);
165 static void output_data(int dev
, ulong
*sect_buf
, int words
);
166 static void ident_cpy (unsigned char *dest
, unsigned char *src
, unsigned int len
);
168 #ifndef CONFIG_SYS_ATA_PORT_ADDR
169 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
173 static void atapi_inquiry(block_dev_desc_t
*dev_desc
);
174 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
);
178 #ifdef CONFIG_IDE_8xx_DIRECT
179 static void set_pcmcia_timing (int pmode
);
182 /* ------------------------------------------------------------------------- */
184 int do_ide (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
194 if (strncmp(argv
[1],"res",3) == 0) {
196 #ifdef CONFIG_IDE_8xx_DIRECT
197 " on PCMCIA " PCMCIA_SLOT_MSG
203 } else if (strncmp(argv
[1],"inf",3) == 0) {
208 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
) {
209 if (ide_dev_desc
[i
].type
==DEV_TYPE_UNKNOWN
)
210 continue; /* list only known devices */
211 printf ("IDE device %d: ", i
);
212 dev_print(&ide_dev_desc
[i
]);
216 } else if (strncmp(argv
[1],"dev",3) == 0) {
217 if ((curr_device
< 0) || (curr_device
>= CONFIG_SYS_IDE_MAXDEVICE
)) {
218 puts ("\nno IDE devices available\n");
221 printf ("\nIDE device %d: ", curr_device
);
222 dev_print(&ide_dev_desc
[curr_device
]);
224 } else if (strncmp(argv
[1],"part",4) == 0) {
227 for (ok
=0, dev
=0; dev
<CONFIG_SYS_IDE_MAXDEVICE
; ++dev
) {
228 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
232 print_part(&ide_dev_desc
[dev
]);
236 puts ("\nno IDE devices available\n");
244 if (strncmp(argv
[1],"dev",3) == 0) {
245 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
247 printf ("\nIDE device %d: ", dev
);
248 if (dev
>= CONFIG_SYS_IDE_MAXDEVICE
) {
249 puts ("unknown device\n");
252 dev_print(&ide_dev_desc
[dev
]);
255 if (ide_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
) {
261 puts ("... is now current device\n");
264 } else if (strncmp(argv
[1],"part",4) == 0) {
265 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
267 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
268 print_part(&ide_dev_desc
[dev
]);
270 printf ("\nIDE device %d not available\n", dev
);
275 } else if (strncmp(argv
[1],"pio",4) == 0) {
276 int mode
= (int)simple_strtoul(argv
[2], NULL
, 10);
278 if ((mode
>= 0) && (mode
<= IDE_MAX_PIO_MODE
)) {
283 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
284 mode
, IDE_MAX_PIO_MODE
);
293 /* at least 4 args */
295 if (strcmp(argv
[1],"read") == 0) {
296 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
297 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
299 #ifdef CONFIG_SYS_64BIT_LBA
300 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
302 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
303 curr_device
, blk
, cnt
);
305 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
307 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
308 curr_device
, blk
, cnt
);
311 n
= ide_dev_desc
[curr_device
].block_read (curr_device
,
314 /* flush cache after read */
315 flush_cache (addr
, cnt
*ide_dev_desc
[curr_device
].blksz
);
317 printf ("%ld blocks read: %s\n",
318 n
, (n
==cnt
) ? "OK" : "ERROR");
324 } else if (strcmp(argv
[1],"write") == 0) {
325 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
326 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
328 #ifdef CONFIG_SYS_64BIT_LBA
329 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
331 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
332 curr_device
, blk
, cnt
);
334 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
336 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
337 curr_device
, blk
, cnt
);
340 n
= ide_write (curr_device
, blk
, cnt
, (ulong
*)addr
);
342 printf ("%ld blocks written: %s\n",
343 n
, (n
==cnt
) ? "OK" : "ERROR");
358 int do_diskboot (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
360 char *boot_device
= NULL
;
364 disk_partition_t info
;
367 #if defined(CONFIG_FIT)
368 const void *fit_hdr
= NULL
;
371 show_boot_progress (41);
374 addr
= CONFIG_SYS_LOAD_ADDR
;
375 boot_device
= getenv ("bootdevice");
378 addr
= simple_strtoul(argv
[1], NULL
, 16);
379 boot_device
= getenv ("bootdevice");
382 addr
= simple_strtoul(argv
[1], NULL
, 16);
383 boot_device
= argv
[2];
387 show_boot_progress (-42);
390 show_boot_progress (42);
393 puts ("\n** No boot device **\n");
394 show_boot_progress (-43);
397 show_boot_progress (43);
399 dev
= simple_strtoul(boot_device
, &ep
, 16);
401 if (ide_dev_desc
[dev
].type
==DEV_TYPE_UNKNOWN
) {
402 printf ("\n** Device %d not available\n", dev
);
403 show_boot_progress (-44);
406 show_boot_progress (44);
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
411 show_boot_progress (-45);
414 part
= simple_strtoul(++ep
, NULL
, 16);
416 show_boot_progress (45);
417 if (get_partition_info (&ide_dev_desc
[dev
], part
, &info
)) {
418 show_boot_progress (-46);
421 show_boot_progress (46);
422 if ((strncmp((char *)info
.type
, BOOT_PART_TYPE
, sizeof(info
.type
)) != 0) &&
423 (strncmp((char *)info
.type
, BOOT_PART_COMP
, sizeof(info
.type
)) != 0)) {
424 printf ("\n** Invalid partition type \"%.32s\""
425 " (expect \"" BOOT_PART_TYPE
"\")\n",
427 show_boot_progress (-47);
430 show_boot_progress (47);
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev
, part
, info
.name
, info
.type
);
436 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info
.start
, info
.size
, info
.blksz
);
439 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
, 1, (ulong
*)addr
) != 1) {
440 printf ("** Read error on %d:%d\n", dev
, part
);
441 show_boot_progress (-48);
444 show_boot_progress (48);
446 switch (genimg_get_format ((void *)addr
)) {
447 case IMAGE_FORMAT_LEGACY
:
448 hdr
= (image_header_t
*)addr
;
450 show_boot_progress (49);
452 if (!image_check_hcrc (hdr
)) {
453 puts ("\n** Bad Header Checksum **\n");
454 show_boot_progress (-50);
457 show_boot_progress (50);
459 image_print_contents (hdr
);
461 cnt
= image_get_image_size (hdr
);
463 #if defined(CONFIG_FIT)
464 case IMAGE_FORMAT_FIT
:
465 fit_hdr
= (const void *)addr
;
466 puts ("Fit image detected...\n");
468 cnt
= fit_get_size (fit_hdr
);
472 show_boot_progress (-49);
473 puts ("** Unknown image type\n");
477 cnt
+= info
.blksz
- 1;
481 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
+1, cnt
,
482 (ulong
*)(addr
+info
.blksz
)) != cnt
) {
483 printf ("** Read error on %d:%d\n", dev
, part
);
484 show_boot_progress (-51);
487 show_boot_progress (51);
489 #if defined(CONFIG_FIT)
490 /* This cannot be done earlier, we need complete FIT image in RAM first */
491 if (genimg_get_format ((void *)addr
) == IMAGE_FORMAT_FIT
) {
492 if (!fit_check_format (fit_hdr
)) {
493 show_boot_progress (-140);
494 puts ("** Bad FIT image format\n");
497 show_boot_progress (141);
498 fit_print_contents (fit_hdr
);
502 /* Loading ok, update default load address */
506 /* Check if we should attempt an auto-start */
507 if (((ep
= getenv("autostart")) != NULL
) && (strcmp(ep
,"yes") == 0)) {
509 extern int do_bootm (cmd_tbl_t
*, int, int, char *[]);
511 local_args
[0] = argv
[0];
512 local_args
[1] = NULL
;
514 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr
);
516 do_bootm (cmdtp
, 0, 1, local_args
);
522 /* ------------------------------------------------------------------------- */
525 __ide_outb(int dev
, int port
, unsigned char val
)
527 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
528 dev
, port
, val
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
529 outb(val
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
531 void ide_outb (int dev
, int port
, unsigned char val
)
532 __attribute__((weak
, alias("__ide_outb")));
535 __ide_inb(int dev
, int port
)
538 val
= inb((ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
539 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
540 dev
, port
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)), val
);
543 unsigned char ide_inb(int dev
, int port
)
544 __attribute__((weak
, alias("__ide_inb")));
546 #ifdef CONFIG_TUNE_PIO
548 __ide_set_piomode(int pio_mode
)
552 int inline ide_set_piomode(int pio_mode
)
553 __attribute__((weak
, alias("__ide_set_piomode")));
559 #ifdef CONFIG_IDE_8xx_DIRECT
560 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
561 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
565 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
566 unsigned int ata_reset_time
= ATA_RESET_TIME
;
569 #ifdef CONFIG_AMIGAONEG3SE
570 unsigned int max_bus_scan
;
572 #ifdef CONFIG_IDE_8xx_PCCARD
573 extern int pcmcia_on (void);
574 extern int ide_devices_found
; /* Initialized in check_ide_device() */
575 #endif /* CONFIG_IDE_8xx_PCCARD */
577 #ifdef CONFIG_IDE_PREINIT
578 extern int ide_preinit (void);
581 if (ide_preinit ()) {
582 puts ("ide_preinit failed\n");
585 #endif /* CONFIG_IDE_PREINIT */
587 #ifdef CONFIG_IDE_8xx_PCCARD
588 extern int pcmcia_on (void);
589 extern int ide_devices_found
; /* Initialized in check_ide_device() */
593 ide_devices_found
= 0;
594 /* initialize the PCMCIA IDE adapter card */
596 if (!ide_devices_found
)
598 udelay (1000000); /* 1 s */
599 #endif /* CONFIG_IDE_8xx_PCCARD */
603 #ifdef CONFIG_IDE_8xx_DIRECT
604 /* Initialize PIO timing tables */
605 for (i
=0; i
<= IDE_MAX_PIO_MODE
; ++i
) {
606 pio_config_clk
[i
].t_setup
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_setup
,
608 pio_config_clk
[i
].t_length
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_length
,
610 pio_config_clk
[i
].t_hold
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_hold
,
612 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
614 " hold=%2d ns/%d clk\n",
616 pio_config_ns
[i
].t_setup
, pio_config_clk
[i
].t_setup
,
617 pio_config_ns
[i
].t_length
, pio_config_clk
[i
].t_length
,
618 pio_config_ns
[i
].t_hold
, pio_config_clk
[i
].t_hold
);
620 #endif /* CONFIG_IDE_8xx_DIRECT */
622 /* Reset the IDE just to be sure.
623 * Light LED's to show
625 ide_led ((LED_IDE1
| LED_IDE2
), 1); /* LED's on */
626 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
628 #ifdef CONFIG_IDE_8xx_DIRECT
629 /* PCMCIA / IDE initialization for common mem space */
630 pcmp
->pcmc_pgcrb
= 0;
632 /* start in PIO mode 0 - most relaxed timings */
634 set_pcmcia_timing (pio_mode
);
635 #endif /* CONFIG_IDE_8xx_DIRECT */
638 * Wait for IDE to get ready.
639 * According to spec, this can take up to 31 seconds!
641 #ifndef CONFIG_AMIGAONEG3SE
642 for (bus
=0; bus
<CONFIG_SYS_IDE_MAXBUS
; ++bus
) {
643 int dev
= bus
* (CONFIG_SYS_IDE_MAXDEVICE
/ CONFIG_SYS_IDE_MAXBUS
);
645 s
= getenv("ide_maxbus");
647 max_bus_scan
= simple_strtol(s
, NULL
, 10);
649 max_bus_scan
= CONFIG_SYS_IDE_MAXBUS
;
651 for (bus
=0; bus
<max_bus_scan
; ++bus
) {
652 int dev
= bus
* (CONFIG_SYS_IDE_MAXDEVICE
/ max_bus_scan
);
655 #ifdef CONFIG_IDE_8xx_PCCARD
656 /* Skip non-ide devices from probing */
657 if ((ide_devices_found
& (1 << bus
)) == 0) {
658 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
662 printf ("Bus %d: ", bus
);
668 udelay (100000); /* 100 ms */
669 ide_outb (dev
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(dev
));
670 udelay (100000); /* 100 ms */
671 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
672 if ((s
= getenv("ide_reset_timeout")) != NULL
)
673 ata_reset_time
= simple_strtol(s
, NULL
, 10);
677 udelay (10000); /* 10 ms */
679 c
= ide_inb (dev
, ATA_STATUS
);
681 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
682 if (i
> (ata_reset_time
* 100)) {
684 if (i
> (ATA_RESET_TIME
* 100)) {
686 puts ("** Timeout **\n");
687 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
688 #ifdef CONFIG_AMIGAONEG3SE
689 /* If this is the second bus, the first one was OK */
697 if ((i
>= 100) && ((i
%100)==0)) {
700 } while (c
& ATA_STAT_BUSY
);
702 if (c
& (ATA_STAT_BUSY
| ATA_STAT_FAULT
)) {
703 puts ("not available ");
704 debug ("Status = 0x%02X ", c
);
705 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
706 } else if ((c
& ATA_STAT_READY
) == 0) {
707 puts ("not available ");
708 debug ("Status = 0x%02X ", c
);
717 #ifdef CONFIG_AMIGAONEG3SE
722 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
725 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
) {
726 #ifdef CONFIG_IDE_LED
727 int led
= (IDE_BUS(i
) == 0) ? LED_IDE1
: LED_IDE2
;
729 ide_dev_desc
[i
].type
=DEV_TYPE_UNKNOWN
;
730 ide_dev_desc
[i
].if_type
=IF_TYPE_IDE
;
731 ide_dev_desc
[i
].dev
=i
;
732 ide_dev_desc
[i
].part_type
=PART_TYPE_UNKNOWN
;
733 ide_dev_desc
[i
].blksz
=0;
734 ide_dev_desc
[i
].lba
=0;
735 ide_dev_desc
[i
].block_read
=ide_read
;
736 if (!ide_bus_ok
[IDE_BUS(i
)])
738 ide_led (led
, 1); /* LED on */
739 ide_ident(&ide_dev_desc
[i
]);
740 ide_led (led
, 0); /* LED off */
741 dev_print(&ide_dev_desc
[i
]);
743 if ((ide_dev_desc
[i
].lba
> 0) && (ide_dev_desc
[i
].blksz
> 0)) {
744 init_part (&ide_dev_desc
[i
]); /* initialize partition type */
752 /* ------------------------------------------------------------------------- */
754 block_dev_desc_t
* ide_get_dev(int dev
)
756 return (dev
< CONFIG_SYS_IDE_MAXDEVICE
) ? &ide_dev_desc
[dev
] : NULL
;
760 #ifdef CONFIG_IDE_8xx_DIRECT
763 set_pcmcia_timing (int pmode
)
765 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
766 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
769 debug ("Set timing for PIO Mode %d\n", pmode
);
771 timings
= PCMCIA_SHT(pio_config_clk
[pmode
].t_hold
)
772 | PCMCIA_SST(pio_config_clk
[pmode
].t_setup
)
773 | PCMCIA_SL (pio_config_clk
[pmode
].t_length
)
778 pcmp
->pcmc_pbr0
= CONFIG_SYS_PCMCIA_PBR0
;
779 pcmp
->pcmc_por0
= CONFIG_SYS_PCMCIA_POR0
780 #if (CONFIG_SYS_PCMCIA_POR0 != 0)
784 debug ("PBR0: %08x POR0: %08x\n", pcmp
->pcmc_pbr0
, pcmp
->pcmc_por0
);
786 pcmp
->pcmc_pbr1
= CONFIG_SYS_PCMCIA_PBR1
;
787 pcmp
->pcmc_por1
= CONFIG_SYS_PCMCIA_POR1
788 #if (CONFIG_SYS_PCMCIA_POR1 != 0)
792 debug ("PBR1: %08x POR1: %08x\n", pcmp
->pcmc_pbr1
, pcmp
->pcmc_por1
);
794 pcmp
->pcmc_pbr2
= CONFIG_SYS_PCMCIA_PBR2
;
795 pcmp
->pcmc_por2
= CONFIG_SYS_PCMCIA_POR2
796 #if (CONFIG_SYS_PCMCIA_POR2 != 0)
800 debug ("PBR2: %08x POR2: %08x\n", pcmp
->pcmc_pbr2
, pcmp
->pcmc_por2
);
802 pcmp
->pcmc_pbr3
= CONFIG_SYS_PCMCIA_PBR3
;
803 pcmp
->pcmc_por3
= CONFIG_SYS_PCMCIA_POR3
804 #if (CONFIG_SYS_PCMCIA_POR3 != 0)
808 debug ("PBR3: %08x POR3: %08x\n", pcmp
->pcmc_pbr3
, pcmp
->pcmc_por3
);
812 pcmp
->pcmc_pbr4
= CONFIG_SYS_PCMCIA_PBR4
;
813 pcmp
->pcmc_por4
= CONFIG_SYS_PCMCIA_POR4
814 #if (CONFIG_SYS_PCMCIA_POR4 != 0)
818 debug ("PBR4: %08x POR4: %08x\n", pcmp
->pcmc_pbr4
, pcmp
->pcmc_por4
);
820 pcmp
->pcmc_pbr5
= CONFIG_SYS_PCMCIA_PBR5
;
821 pcmp
->pcmc_por5
= CONFIG_SYS_PCMCIA_POR5
822 #if (CONFIG_SYS_PCMCIA_POR5 != 0)
826 debug ("PBR5: %08x POR5: %08x\n", pcmp
->pcmc_pbr5
, pcmp
->pcmc_por5
);
828 pcmp
->pcmc_pbr6
= CONFIG_SYS_PCMCIA_PBR6
;
829 pcmp
->pcmc_por6
= CONFIG_SYS_PCMCIA_POR6
830 #if (CONFIG_SYS_PCMCIA_POR6 != 0)
834 debug ("PBR6: %08x POR6: %08x\n", pcmp
->pcmc_pbr6
, pcmp
->pcmc_por6
);
836 pcmp
->pcmc_pbr7
= CONFIG_SYS_PCMCIA_PBR7
;
837 pcmp
->pcmc_por7
= CONFIG_SYS_PCMCIA_POR7
838 #if (CONFIG_SYS_PCMCIA_POR7 != 0)
842 debug ("PBR7: %08x POR7: %08x\n", pcmp
->pcmc_pbr7
, pcmp
->pcmc_por7
);
846 #endif /* CONFIG_IDE_8xx_DIRECT */
848 /* ------------------------------------------------------------------------- */
850 /* We only need to swap data if we are running on a big endian cpu. */
851 /* But Au1x00 cpu:s already swaps data in big endian mode! */
852 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
853 #define input_swap_data(x,y,z) input_data(x,y,z)
856 input_swap_data(int dev
, ulong
*sect_buf
, int words
)
858 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
860 volatile uchar
*pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
861 volatile uchar
*pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
862 ushort
*dbuf
= (ushort
*)sect_buf
;
865 for (i
=0; i
<2; i
++) {
866 *(((uchar
*)(dbuf
)) + 1) = *pbuf_even
;
867 *(uchar
*)dbuf
= *pbuf_odd
;
872 volatile ushort
*pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
873 ushort
*dbuf
= (ushort
*)sect_buf
;
875 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf
);
879 *dbuf
++ = swab16p((u16
*)pbuf
);
880 *dbuf
++ = swab16p((u16
*)pbuf
);
881 #elif defined(CONFIG_PCS440EP)
885 *dbuf
++ = ld_le16(pbuf
);
886 *dbuf
++ = ld_le16(pbuf
);
891 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
894 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
896 output_data(int dev
, ulong
*sect_buf
, int words
)
898 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
900 volatile uchar
*pbuf_even
;
901 volatile uchar
*pbuf_odd
;
903 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
904 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
905 dbuf
= (uchar
*)sect_buf
;
908 *pbuf_even
= *dbuf
++;
912 *pbuf_even
= *dbuf
++;
918 volatile ushort
*pbuf
;
920 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
921 dbuf
= (ushort
*)sect_buf
;
923 #if defined(CONFIG_PCS440EP)
924 /* not tested, because CF was write protected */
926 *pbuf
= ld_le16(dbuf
++);
928 *pbuf
= ld_le16(dbuf
++);
938 #else /* ! __PPC__ */
940 output_data(int dev
, ulong
*sect_buf
, int words
)
942 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<<1);
946 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
948 input_data(int dev
, ulong
*sect_buf
, int words
)
950 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
952 volatile uchar
*pbuf_even
;
953 volatile uchar
*pbuf_odd
;
955 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
956 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
957 dbuf
= (uchar
*)sect_buf
;
959 *dbuf
++ = *pbuf_even
;
965 *dbuf
++ = *pbuf_even
;
974 volatile ushort
*pbuf
;
976 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
977 dbuf
= (ushort
*)sect_buf
;
979 debug("in input data base for read is %lx\n", (unsigned long) pbuf
);
982 #if defined(CONFIG_PCS440EP)
984 *dbuf
++ = ld_le16(pbuf
);
986 *dbuf
++ = ld_le16(pbuf
);
996 #else /* ! __PPC__ */
998 input_data(int dev
, ulong
*sect_buf
, int words
)
1000 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<< 1);
1003 #endif /* __PPC__ */
1005 /* -------------------------------------------------------------------------
1007 static void ide_ident (block_dev_desc_t
*dev_desc
)
1009 ulong iobuf
[ATA_SECTORWORDS
];
1011 hd_driveid_t
*iop
= (hd_driveid_t
*)iobuf
;
1013 #ifdef CONFIG_AMIGAONEG3SE
1022 #ifdef CONFIG_TUNE_PIO
1027 int mode
, cycle_time
;
1030 device
=dev_desc
->dev
;
1031 printf (" Device %d: ", device
);
1033 #ifdef CONFIG_AMIGAONEG3SE
1034 s
= getenv("ide_maxbus");
1036 max_bus_scan
= simple_strtol(s
, NULL
, 10);
1038 max_bus_scan
= CONFIG_SYS_IDE_MAXBUS
;
1040 if (device
>= max_bus_scan
*2) {
1041 dev_desc
->type
=DEV_TYPE_UNKNOWN
;
1046 ide_led (DEVICE_LED(device
), 1); /* LED on */
1049 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1050 dev_desc
->if_type
=IF_TYPE_IDE
;
1056 /* Warning: This will be tricky to read */
1057 while (retries
<= 1) {
1058 /* check signature */
1059 if ((ide_inb(device
,ATA_SECT_CNT
) == 0x01) &&
1060 (ide_inb(device
,ATA_SECT_NUM
) == 0x01) &&
1061 (ide_inb(device
,ATA_CYL_LOW
) == 0x14) &&
1062 (ide_inb(device
,ATA_CYL_HIGH
) == 0xEB)) {
1063 /* ATAPI Signature found */
1064 dev_desc
->if_type
=IF_TYPE_ATAPI
;
1065 /* Start Ident Command
1067 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_IDENT
);
1069 * Wait for completion - ATAPI devices need more time
1072 c
= ide_wait (device
, ATAPI_TIME_OUT
);
1076 /* Start Ident Command
1078 ide_outb (device
, ATA_COMMAND
, ATA_CMD_IDENT
);
1080 /* Wait for completion
1082 c
= ide_wait (device
, IDE_TIME_OUT
);
1084 ide_led (DEVICE_LED(device
), 0); /* LED off */
1086 if (((c
& ATA_STAT_DRQ
) == 0) ||
1087 ((c
& (ATA_STAT_FAULT
|ATA_STAT_ERR
)) != 0) ) {
1089 #ifdef CONFIG_AMIGAONEG3SE
1090 s
= getenv("ide_doreset");
1091 if (s
&& strcmp(s
, "on") == 0)
1094 /* Need to soft reset the device in case it's an ATAPI... */
1095 debug ("Retrying...\n");
1096 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1098 ide_outb (device
, ATA_COMMAND
, 0x08);
1099 udelay (500000); /* 500 ms */
1103 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1112 } /* see above - ugly to read */
1114 if (retries
== 2) /* Not found */
1118 input_swap_data (device
, iobuf
, ATA_SECTORWORDS
);
1120 ident_cpy ((unsigned char*)dev_desc
->revision
, iop
->fw_rev
, sizeof(dev_desc
->revision
));
1121 ident_cpy ((unsigned char*)dev_desc
->vendor
, iop
->model
, sizeof(dev_desc
->vendor
));
1122 ident_cpy ((unsigned char*)dev_desc
->product
, iop
->serial_no
, sizeof(dev_desc
->product
));
1123 #ifdef __LITTLE_ENDIAN
1125 * firmware revision, model, and serial number have Big Endian Byte
1126 * order in Word. Convert all three to little endian.
1128 * See CF+ and CompactFlash Specification Revision 2.0:
1129 * 6.2.1.6: Identify Drive, Table 39 for more details
1132 strswab (dev_desc
->revision
);
1133 strswab (dev_desc
->vendor
);
1134 strswab (dev_desc
->product
);
1135 #endif /* __LITTLE_ENDIAN */
1137 if ((iop
->config
& 0x0080)==0x0080)
1138 dev_desc
->removable
= 1;
1140 dev_desc
->removable
= 0;
1142 #ifdef CONFIG_TUNE_PIO
1143 /* Mode 0 - 2 only, are directly determined by word 51. */
1144 pio_mode
= iop
->tPIO
;
1146 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode
);
1147 pio_mode
= 0; /* Force it to dead slow, and hope for the best... */
1150 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1151 * shall set bit 1 of word 53 to one and support the fields contained
1152 * in words 64 through 70.
1154 if (iop
->field_valid
& 0x02) {
1155 /* Mode 3 and above are possible. Check in order from slow
1156 * to fast, so we wind up with the highest mode allowed.
1158 if (iop
->eide_pio_modes
& 0x01)
1160 if (iop
->eide_pio_modes
& 0x02)
1162 if (ata_id_is_cfa((u16
*)iop
)) {
1163 if ((iop
->cf_advanced_caps
& 0x07) == 0x01)
1165 if ((iop
->cf_advanced_caps
& 0x07) == 0x02)
1170 /* System-specific, depends on bus speeds, etc. */
1171 ide_set_piomode(pio_mode
);
1172 #endif /* CONFIG_TUNE_PIO */
1176 * Drive PIO mode autoselection
1180 printf ("tPIO = 0x%02x = %d\n",mode
, mode
);
1181 if (mode
> 2) { /* 2 is maximum allowed tPIO value */
1183 debug ("Override tPIO -> 2\n");
1185 if (iop
->field_valid
& 2) { /* drive implements ATA2? */
1186 debug ("Drive implements ATA2\n");
1187 if (iop
->capability
& 8) { /* drive supports use_iordy? */
1188 cycle_time
= iop
->eide_pio_iordy
;
1190 cycle_time
= iop
->eide_pio
;
1192 debug ("cycle time = %d\n", cycle_time
);
1194 if (cycle_time
> 120) mode
= 3; /* 120 ns for PIO mode 4 */
1195 if (cycle_time
> 180) mode
= 2; /* 180 ns for PIO mode 3 */
1196 if (cycle_time
> 240) mode
= 1; /* 240 ns for PIO mode 4 */
1197 if (cycle_time
> 383) mode
= 0; /* 383 ns for PIO mode 4 */
1199 printf ("PIO mode to use: PIO %d\n", mode
);
1203 if (dev_desc
->if_type
==IF_TYPE_ATAPI
) {
1204 atapi_inquiry(dev_desc
);
1207 #endif /* CONFIG_ATAPI */
1211 dev_desc
->lba
= (iop
->lba_capacity
<< 16) | (iop
->lba_capacity
>> 16);
1212 #else /* ! __BIG_ENDIAN */
1214 * do not swap shorts on little endian
1216 * See CF+ and CompactFlash Specification Revision 2.0:
1217 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1219 dev_desc
->lba
= iop
->lba_capacity
;
1220 #endif /* __BIG_ENDIAN */
1223 if (iop
->command_set_2
& 0x0400) { /* LBA 48 support */
1224 dev_desc
->lba48
= 1;
1225 dev_desc
->lba
= (unsigned long long)iop
->lba48_capacity
[0] |
1226 ((unsigned long long)iop
->lba48_capacity
[1] << 16) |
1227 ((unsigned long long)iop
->lba48_capacity
[2] << 32) |
1228 ((unsigned long long)iop
->lba48_capacity
[3] << 48);
1230 dev_desc
->lba48
= 0;
1232 #endif /* CONFIG_LBA48 */
1234 dev_desc
->type
=DEV_TYPE_HARDDISK
;
1235 dev_desc
->blksz
=ATA_BLOCKSIZE
;
1236 dev_desc
->lun
=0; /* just to fill something in... */
1238 #if 0 /* only used to test the powersaving mode,
1239 * if enabled, the drive goes after 5 sec
1240 * in standby mode */
1241 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1242 c
= ide_wait (device
, IDE_TIME_OUT
);
1243 ide_outb (device
, ATA_SECT_CNT
, 1);
1244 ide_outb (device
, ATA_LBA_LOW
, 0);
1245 ide_outb (device
, ATA_LBA_MID
, 0);
1246 ide_outb (device
, ATA_LBA_HIGH
, 0);
1247 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1248 ide_outb (device
, ATA_COMMAND
, 0xe3);
1250 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1255 /* ------------------------------------------------------------------------- */
1257 ulong
ide_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1261 unsigned char pwrsave
=0; /* power save */
1263 unsigned char lba48
= 0;
1265 if (blknr
& 0x0000fffff0000000ULL
) {
1266 /* more than 28 bits used, use 48bit mode */
1270 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
1271 device
, blknr
, blkcnt
, (ulong
)buffer
);
1273 ide_led (DEVICE_LED(device
), 1); /* LED on */
1277 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1278 c
= ide_wait (device
, IDE_TIME_OUT
);
1280 if (c
& ATA_STAT_BUSY
) {
1281 printf ("IDE read: device %d not ready\n", device
);
1285 /* first check if the drive is in Powersaving mode, if yes,
1286 * increase the timeout value */
1287 ide_outb (device
, ATA_COMMAND
, ATA_CMD_CHK_PWR
);
1290 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1292 if (c
& ATA_STAT_BUSY
) {
1293 printf ("IDE read: device %d not ready\n", device
);
1296 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1297 printf ("No Powersaving mode %X\n", c
);
1299 c
= ide_inb(device
,ATA_SECT_CNT
);
1300 debug ("Powersaving %02X\n",c
);
1306 while (blkcnt
-- > 0) {
1308 c
= ide_wait (device
, IDE_TIME_OUT
);
1310 if (c
& ATA_STAT_BUSY
) {
1311 printf ("IDE read: device %d not ready\n", device
);
1316 /* write high bits */
1317 ide_outb (device
, ATA_SECT_CNT
, 0);
1318 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1319 #ifdef CONFIG_SYS_64BIT_LBA
1320 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1321 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1323 ide_outb (device
, ATA_LBA_MID
, 0);
1324 ide_outb (device
, ATA_LBA_HIGH
, 0);
1328 ide_outb (device
, ATA_SECT_CNT
, 1);
1329 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1330 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1331 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1335 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1336 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ_EXT
);
1341 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1342 ATA_DEVICE(device
) |
1343 ((blknr
>> 24) & 0xF) );
1344 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ
);
1350 c
= ide_wait (device
, IDE_SPIN_UP_TIME_OUT
); /* may take up to 4 sec */
1353 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1356 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1357 #if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
1358 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1361 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1362 device
, (ulong
)blknr
, c
);
1367 input_data (device
, buffer
, ATA_SECTORWORDS
);
1368 (void) ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1372 buffer
+= ATA_BLOCKSIZE
;
1375 ide_led (DEVICE_LED(device
), 0); /* LED off */
1379 /* ------------------------------------------------------------------------- */
1382 ulong
ide_write (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1387 unsigned char lba48
= 0;
1389 if (blknr
& 0x0000fffff0000000ULL
) {
1390 /* more than 28 bits used, use 48bit mode */
1395 ide_led (DEVICE_LED(device
), 1); /* LED on */
1399 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1401 while (blkcnt
-- > 0) {
1403 c
= ide_wait (device
, IDE_TIME_OUT
);
1405 if (c
& ATA_STAT_BUSY
) {
1406 printf ("IDE read: device %d not ready\n", device
);
1411 /* write high bits */
1412 ide_outb (device
, ATA_SECT_CNT
, 0);
1413 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1414 #ifdef CONFIG_SYS_64BIT_LBA
1415 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1416 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1418 ide_outb (device
, ATA_LBA_MID
, 0);
1419 ide_outb (device
, ATA_LBA_HIGH
, 0);
1423 ide_outb (device
, ATA_SECT_CNT
, 1);
1424 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1425 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1426 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1430 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1431 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE_EXT
);
1436 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1437 ATA_DEVICE(device
) |
1438 ((blknr
>> 24) & 0xF) );
1439 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE
);
1444 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1446 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1447 #if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
1448 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1451 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1452 device
, (ulong
)blknr
, c
);
1457 output_data (device
, buffer
, ATA_SECTORWORDS
);
1458 c
= ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1461 buffer
+= ATA_BLOCKSIZE
;
1464 ide_led (DEVICE_LED(device
), 0); /* LED off */
1468 /* ------------------------------------------------------------------------- */
1471 * copy src to dest, skipping leading and trailing blanks and null
1472 * terminate the string
1473 * "len" is the size of available memory including the terminating '\0'
1475 static void ident_cpy (unsigned char *dst
, unsigned char *src
, unsigned int len
)
1477 unsigned char *end
, *last
;
1480 end
= src
+ len
- 1;
1482 /* reserve space for '\0' */
1486 /* skip leading white space */
1487 while ((*src
) && (src
<end
) && (*src
==' '))
1490 /* copy string, omitting trailing white space */
1491 while ((*src
) && (src
<end
)) {
1500 /* ------------------------------------------------------------------------- */
1503 * Wait until Busy bit is off, or timeout (in ms)
1504 * Return last status
1506 static uchar
ide_wait (int dev
, ulong t
)
1508 ulong delay
= 10 * t
; /* poll every 100 us */
1511 while ((c
= ide_inb(dev
, ATA_STATUS
)) & ATA_STAT_BUSY
) {
1520 /* ------------------------------------------------------------------------- */
1522 #ifdef CONFIG_IDE_RESET
1523 extern void ide_set_reset(int idereset
);
1525 static void ide_reset (void)
1527 #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1528 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
1533 for (i
=0; i
<CONFIG_SYS_IDE_MAXBUS
; ++i
)
1535 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
)
1536 ide_dev_desc
[i
].type
= DEV_TYPE_UNKNOWN
;
1538 ide_set_reset (1); /* assert reset */
1540 /* the reset signal shall be asserted for et least 25 us */
1545 #ifdef CONFIG_SYS_PB_12V_ENABLE
1546 immr
->im_cpm
.cp_pbdat
&= ~(CONFIG_SYS_PB_12V_ENABLE
); /* 12V Enable output OFF */
1547 immr
->im_cpm
.cp_pbpar
&= ~(CONFIG_SYS_PB_12V_ENABLE
);
1548 immr
->im_cpm
.cp_pbodr
&= ~(CONFIG_SYS_PB_12V_ENABLE
);
1549 immr
->im_cpm
.cp_pbdir
|= CONFIG_SYS_PB_12V_ENABLE
;
1551 /* wait 500 ms for the voltage to stabilize
1553 for (i
=0; i
<500; ++i
) {
1557 immr
->im_cpm
.cp_pbdat
|= CONFIG_SYS_PB_12V_ENABLE
; /* 12V Enable output ON */
1558 #endif /* CONFIG_SYS_PB_12V_ENABLE */
1560 #ifdef CONFIG_SYS_PB_IDE_MOTOR
1561 /* configure IDE Motor voltage monitor pin as input */
1562 immr
->im_cpm
.cp_pbpar
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1563 immr
->im_cpm
.cp_pbodr
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1564 immr
->im_cpm
.cp_pbdir
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1566 /* wait up to 1 s for the motor voltage to stabilize
1568 for (i
=0; i
<1000; ++i
) {
1569 if ((immr
->im_cpm
.cp_pbdat
& CONFIG_SYS_PB_IDE_MOTOR
) != 0) {
1575 if (i
== 1000) { /* Timeout */
1576 printf ("\nWarning: 5V for IDE Motor missing\n");
1577 # ifdef CONFIG_STATUS_LED
1578 # ifdef STATUS_LED_YELLOW
1579 status_led_set (STATUS_LED_YELLOW
, STATUS_LED_ON
);
1581 # ifdef STATUS_LED_GREEN
1582 status_led_set (STATUS_LED_GREEN
, STATUS_LED_OFF
);
1584 # endif /* CONFIG_STATUS_LED */
1586 #endif /* CONFIG_SYS_PB_IDE_MOTOR */
1590 /* de-assert RESET signal */
1594 for (i
=0; i
<250; ++i
) {
1599 #endif /* CONFIG_IDE_RESET */
1601 /* ------------------------------------------------------------------------- */
1603 #if defined(CONFIG_IDE_LED) && \
1604 !defined(CONFIG_AMIGAONEG3SE)&& \
1605 !defined(CONFIG_CPC45) && \
1606 !defined(CONFIG_HMI10) && \
1607 !defined(CONFIG_KUP4K) && \
1608 !defined(CONFIG_KUP4X)
1610 static uchar led_buffer
= 0; /* Buffer for current LED status */
1612 static void ide_led (uchar led
, uchar status
)
1614 uchar
*led_port
= LED_PORT
;
1616 if (status
) { /* switch LED on */
1618 } else { /* switch LED off */
1622 *led_port
= led_buffer
;
1625 #endif /* CONFIG_IDE_LED */
1627 /* ------------------------------------------------------------------------- */
1630 /****************************************************************************
1634 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1635 /* since ATAPI may use commands with not 4 bytes alligned length
1636 * we have our own transfer functions, 2 bytes alligned */
1638 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1640 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1642 volatile uchar
*pbuf_even
;
1643 volatile uchar
*pbuf_odd
;
1645 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1646 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1649 *pbuf_even
= *dbuf
++;
1651 *pbuf_odd
= *dbuf
++;
1655 volatile ushort
*pbuf
;
1657 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1658 dbuf
= (ushort
*)sect_buf
;
1660 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf
);
1670 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1672 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1674 volatile uchar
*pbuf_even
;
1675 volatile uchar
*pbuf_odd
;
1677 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1678 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1681 *dbuf
++ = *pbuf_even
;
1683 *dbuf
++ = *pbuf_odd
;
1687 volatile ushort
*pbuf
;
1689 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1690 dbuf
= (ushort
*)sect_buf
;
1692 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf
);
1701 #else /* ! __PPC__ */
1703 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1705 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1709 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1711 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1714 #endif /* __PPC__ */
1717 * Wait until (Status & mask) == res, or timeout (in ms)
1718 * Return last status
1719 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1720 * and then they set their DRQ Bit
1722 static uchar
atapi_wait_mask (int dev
, ulong t
,uchar mask
, uchar res
)
1724 ulong delay
= 10 * t
; /* poll every 100 us */
1727 c
= ide_inb(dev
,ATA_DEV_CTL
); /* prevents to read the status before valid */
1728 while (((c
= ide_inb(dev
, ATA_STATUS
)) & mask
) != res
) {
1729 /* break if error occurs (doesn't make sense to wait more) */
1730 if((c
& ATA_STAT_ERR
)==ATA_STAT_ERR
)
1741 * issue an atapi command
1743 unsigned char atapi_issue(int device
,unsigned char* ccb
,int ccblen
, unsigned char * buffer
,int buflen
)
1745 unsigned char c
,err
,mask
,res
;
1747 ide_led (DEVICE_LED(device
), 1); /* LED on */
1751 mask
= ATA_STAT_BUSY
|ATA_STAT_DRQ
;
1753 #ifdef CONFIG_AMIGAONEG3SE
1754 # warning THF: Removed LBA mode ???
1756 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1757 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1758 if ((c
& mask
) != res
) {
1759 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device
,c
);
1763 /* write taskfile */
1764 ide_outb (device
, ATA_ERROR_REG
, 0); /* no DMA, no overlaped */
1765 ide_outb (device
, ATA_SECT_CNT
, 0);
1766 ide_outb (device
, ATA_SECT_NUM
, 0);
1767 ide_outb (device
, ATA_CYL_LOW
, (unsigned char)(buflen
& 0xFF));
1768 ide_outb (device
, ATA_CYL_HIGH
, (unsigned char)((buflen
>>8) & 0xFF));
1769 #ifdef CONFIG_AMIGAONEG3SE
1770 # warning THF: Removed LBA mode ???
1772 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1774 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_PACKET
);
1777 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1779 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1781 if ((c
& mask
) != res
) { /* DRQ must be 1, BSY 0 */
1782 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device
,c
);
1787 output_data_shorts (device
, (unsigned short *)ccb
,ccblen
/2); /* write command block */
1788 /* ATAPI Command written wait for completition */
1789 udelay (5000); /* device must set bsy */
1791 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1792 /* if no data wait for DRQ = 0 BSY = 0
1793 * if data wait for DRQ = 1 BSY = 0 */
1797 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1798 if ((c
& mask
) != res
) {
1799 if (c
& ATA_STAT_ERR
) {
1800 err
=(ide_inb(device
,ATA_ERROR_REG
))>>4;
1801 debug ("atapi_issue 1 returned sense key %X status %02X\n",err
,c
);
1803 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb
[0],c
);
1808 n
=ide_inb(device
, ATA_CYL_HIGH
);
1810 n
+=ide_inb(device
, ATA_CYL_LOW
);
1812 printf("ERROR, transfer bytes %d requested only %d\n",n
,buflen
);
1816 if((n
==0)&&(buflen
<0)) {
1817 printf("ERROR, transfer bytes %d requested %d\n",n
,buflen
);
1822 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n
,buflen
);
1824 if(n
!=0) { /* data transfer */
1825 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n
);
1826 /* we transfer shorts */
1828 /* ok now decide if it is an in or output */
1829 if ((ide_inb(device
, ATA_SECT_CNT
)&0x02)==0) {
1830 debug ("Write to device\n");
1831 output_data_shorts(device
,(unsigned short *)buffer
,n
);
1833 debug ("Read from device @ %p shorts %d\n",buffer
,n
);
1834 input_data_shorts(device
,(unsigned short *)buffer
,n
);
1837 udelay(5000); /* seems that some CD ROMs need this... */
1838 mask
= ATA_STAT_BUSY
|ATA_STAT_ERR
;
1840 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1841 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1842 err
=(ide_inb(device
,ATA_ERROR_REG
) >> 4);
1843 debug ("atapi_issue 2 returned sense key %X status %X\n",err
,c
);
1848 ide_led (DEVICE_LED(device
), 0); /* LED off */
1853 * sending the command to atapi_issue. If an status other than good
1854 * returns, an request_sense will be issued
1857 #define ATAPI_DRIVE_NOT_READY 100
1858 #define ATAPI_UNIT_ATTN 10
1860 unsigned char atapi_issue_autoreq (int device
,
1863 unsigned char *buffer
,
1866 unsigned char sense_data
[18],sense_ccb
[12];
1867 unsigned char res
,key
,asc
,ascq
;
1868 int notready
,unitattn
;
1870 #ifdef CONFIG_AMIGAONEG3SE
1872 unsigned int timeout
, retrycnt
;
1874 s
= getenv("ide_cd_timeout");
1875 timeout
= s
? (simple_strtol(s
, NULL
, 10)*1000000)/5 : 0;
1880 unitattn
=ATAPI_UNIT_ATTN
;
1881 notready
=ATAPI_DRIVE_NOT_READY
;
1884 res
= atapi_issue(device
,ccb
,ccblen
,buffer
,buflen
);
1886 return (0); /* Ok */
1889 return (0xFF); /* error */
1891 debug ("(auto_req)atapi_issue returned sense key %X\n",res
);
1893 memset(sense_ccb
,0,sizeof(sense_ccb
));
1894 memset(sense_data
,0,sizeof(sense_data
));
1895 sense_ccb
[0]=ATAPI_CMD_REQ_SENSE
;
1896 sense_ccb
[4]=18; /* allocation Length */
1898 res
=atapi_issue(device
,sense_ccb
,12,sense_data
,18);
1899 key
=(sense_data
[2]&0xF);
1900 asc
=(sense_data
[12]);
1901 ascq
=(sense_data
[13]);
1903 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res
);
1904 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1911 return 0; /* ok device ready */
1913 if((key
==6)|| (asc
==0x29) || (asc
==0x28)) { /* Unit Attention */
1918 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN
);
1921 if((asc
==0x4) && (ascq
==0x1)) { /* not ready, but will be ready soon */
1926 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY
);
1930 debug ("Media not present\n");
1934 #ifdef CONFIG_AMIGAONEG3SE
1935 if ((sense_data
[2]&0xF)==0x0B) {
1936 debug ("ABORTED COMMAND...retry\n");
1942 if ((sense_data
[2]&0xf) == 0x02 &&
1943 sense_data
[12] == 0x04 &&
1944 sense_data
[13] == 0x01 ) {
1945 debug ("Waiting for unit to become active\n");
1951 #endif /* CONFIG_AMIGAONEG3SE */
1953 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1955 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1960 static void atapi_inquiry(block_dev_desc_t
* dev_desc
)
1962 unsigned char ccb
[12]; /* Command descriptor block */
1963 unsigned char iobuf
[64]; /* temp buf */
1967 device
=dev_desc
->dev
;
1968 dev_desc
->type
=DEV_TYPE_UNKNOWN
; /* not yet valid */
1969 dev_desc
->block_read
=atapi_read
;
1971 memset(ccb
,0,sizeof(ccb
));
1972 memset(iobuf
,0,sizeof(iobuf
));
1974 ccb
[0]=ATAPI_CMD_INQUIRY
;
1975 ccb
[4]=40; /* allocation Legnth */
1976 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,40);
1978 debug ("ATAPI_CMD_INQUIRY returned %x\n",c
);
1982 /* copy device ident strings */
1983 ident_cpy((unsigned char*)dev_desc
->vendor
,&iobuf
[8],8);
1984 ident_cpy((unsigned char*)dev_desc
->product
,&iobuf
[16],16);
1985 ident_cpy((unsigned char*)dev_desc
->revision
,&iobuf
[32],5);
1990 dev_desc
->type
=iobuf
[0] & 0x1f;
1992 if ((iobuf
[1]&0x80)==0x80)
1993 dev_desc
->removable
= 1;
1995 dev_desc
->removable
= 0;
1997 memset(ccb
,0,sizeof(ccb
));
1998 memset(iobuf
,0,sizeof(iobuf
));
1999 ccb
[0]=ATAPI_CMD_START_STOP
;
2000 ccb
[4]=0x03; /* start */
2002 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
2004 debug ("ATAPI_CMD_START_STOP returned %x\n",c
);
2008 memset(ccb
,0,sizeof(ccb
));
2009 memset(iobuf
,0,sizeof(iobuf
));
2010 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
2012 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c
);
2016 memset(ccb
,0,sizeof(ccb
));
2017 memset(iobuf
,0,sizeof(iobuf
));
2018 ccb
[0]=ATAPI_CMD_READ_CAP
;
2019 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,8);
2020 debug ("ATAPI_CMD_READ_CAP returned %x\n",c
);
2024 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2025 iobuf
[0],iobuf
[1],iobuf
[2],iobuf
[3],
2026 iobuf
[4],iobuf
[5],iobuf
[6],iobuf
[7]);
2028 dev_desc
->lba
=((unsigned long)iobuf
[0]<<24) +
2029 ((unsigned long)iobuf
[1]<<16) +
2030 ((unsigned long)iobuf
[2]<< 8) +
2031 ((unsigned long)iobuf
[3]);
2032 dev_desc
->blksz
=((unsigned long)iobuf
[4]<<24) +
2033 ((unsigned long)iobuf
[5]<<16) +
2034 ((unsigned long)iobuf
[6]<< 8) +
2035 ((unsigned long)iobuf
[7]);
2037 dev_desc
->lba48
= 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2045 * we transfer only one block per command, since the multiple DRQ per
2046 * command is not yet implemented
2048 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2049 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2050 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2052 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
2055 unsigned char ccb
[12]; /* Command descriptor block */
2058 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2059 device
, blknr
, blkcnt
, (ulong
)buffer
);
2062 if (blkcnt
>ATAPI_READ_MAX_BLOCK
) {
2063 cnt
=ATAPI_READ_MAX_BLOCK
;
2067 ccb
[0]=ATAPI_CMD_READ_12
;
2068 ccb
[1]=0; /* reserved */
2069 ccb
[2]=(unsigned char) (blknr
>>24) & 0xFF; /* MSB Block */
2070 ccb
[3]=(unsigned char) (blknr
>>16) & 0xFF; /* */
2071 ccb
[4]=(unsigned char) (blknr
>> 8) & 0xFF;
2072 ccb
[5]=(unsigned char) blknr
& 0xFF; /* LSB Block */
2073 ccb
[6]=(unsigned char) (cnt
>>24) & 0xFF; /* MSB Block count */
2074 ccb
[7]=(unsigned char) (cnt
>>16) & 0xFF;
2075 ccb
[8]=(unsigned char) (cnt
>> 8) & 0xFF;
2076 ccb
[9]=(unsigned char) cnt
& 0xFF; /* LSB Block */
2077 ccb
[10]=0; /* reserved */
2078 ccb
[11]=0; /* reserved */
2080 if (atapi_issue_autoreq(device
,ccb
,12,
2081 (unsigned char *)buffer
,
2082 cnt
*ATAPI_READ_BLOCK_SIZE
) == 0xFF) {
2088 buffer
+=(cnt
*ATAPI_READ_BLOCK_SIZE
);
2089 } while (blkcnt
> 0);
2093 /* ------------------------------------------------------------------------- */
2095 #endif /* CONFIG_ATAPI */
2100 "reset - reset IDE controller\n"
2101 "ide info - show available IDE devices\n"
2102 "ide device [dev] - show or set current device\n"
2103 "ide part [dev] - print partition table of one or all IDE devices\n"
2104 "ide read addr blk# cnt\n"
2105 "ide write addr blk# cnt - read/write `cnt'"
2106 " blocks starting at block `blk#'\n"
2107 " to/from memory address `addr'"
2111 diskboot
, 3, 1, do_diskboot
,
2112 "boot from IDE device",