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,
34 #include <asm/byteorder.h>
37 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
50 #include <asm/arch/orion5x.h>
51 #elif defined CONFIG_KIRKWOOD
52 #include <asm/arch/kirkwood.h>
58 #ifdef CONFIG_STATUS_LED
59 # include <status_led.h>
62 #ifdef CONFIG_IDE_8xx_DIRECT
63 DECLARE_GLOBAL_DATA_PTR
;
67 # define EIEIO __asm__ volatile ("eieio")
68 # define SYNC __asm__ volatile ("sync")
70 # define EIEIO /* nothing */
71 # define SYNC /* nothing */
74 #ifdef CONFIG_IDE_8xx_DIRECT
75 /* Timings for IDE Interface
77 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
78 * 70 165 30 PIO-Mode 0, [ns]
80 * 50 125 20 PIO-Mode 1, [ns]
82 * 30 100 15 PIO-Mode 2, [ns]
84 * 30 80 10 PIO-Mode 3, [ns]
86 * 25 70 10 PIO-Mode 4, [ns]
90 const static pio_config_t pio_config_ns
[IDE_MAX_PIO_MODE
+1] =
92 /* Setup Length Hold */
93 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
94 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
95 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
96 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
97 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
100 static pio_config_t pio_config_clk
[IDE_MAX_PIO_MODE
+1];
102 #ifndef CONFIG_SYS_PIO_MODE
103 #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
105 static int pio_mode
= CONFIG_SYS_PIO_MODE
;
107 /* Make clock cycles and always round up */
109 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
111 #endif /* CONFIG_IDE_8xx_DIRECT */
113 /* ------------------------------------------------------------------------- */
115 /* Current I/O Device */
116 static int curr_device
= -1;
118 /* Current offset for IDE0 / IDE1 bus access */
119 ulong ide_bus_offset
[CONFIG_SYS_IDE_MAXBUS
] = {
120 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
121 CONFIG_SYS_ATA_IDE0_OFFSET
,
123 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
124 CONFIG_SYS_ATA_IDE1_OFFSET
,
129 static int ide_bus_ok
[CONFIG_SYS_IDE_MAXBUS
];
131 block_dev_desc_t ide_dev_desc
[CONFIG_SYS_IDE_MAXDEVICE
];
132 /* ------------------------------------------------------------------------- */
134 #ifdef CONFIG_IDE_LED
135 # if !defined(CONFIG_BMS2003) && \
136 !defined(CONFIG_CPC45) && \
137 !defined(CONFIG_KUP4K) && \
138 !defined(CONFIG_KUP4X)
139 static void ide_led (uchar led
, uchar status
);
141 extern void ide_led (uchar led
, uchar status
);
144 #define ide_led(a,b) /* dummy */
147 #ifdef CONFIG_IDE_RESET
148 static void ide_reset (void);
150 #define ide_reset() /* dummy */
153 static void ide_ident (block_dev_desc_t
*dev_desc
);
154 static uchar
ide_wait (int dev
, ulong t
);
156 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
158 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
160 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
162 static void input_data(int dev
, ulong
*sect_buf
, int words
);
163 static void output_data(int dev
, ulong
*sect_buf
, int words
);
164 static void ident_cpy (unsigned char *dest
, unsigned char *src
, unsigned int len
);
166 #ifndef CONFIG_SYS_ATA_PORT_ADDR
167 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
171 static void atapi_inquiry(block_dev_desc_t
*dev_desc
);
172 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
);
176 #ifdef CONFIG_IDE_8xx_DIRECT
177 static void set_pcmcia_timing (int pmode
);
180 /* ------------------------------------------------------------------------- */
182 int do_ide (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
189 return cmd_usage(cmdtp
);
191 if (strncmp(argv
[1],"res",3) == 0) {
193 #ifdef CONFIG_IDE_8xx_DIRECT
194 " on PCMCIA " PCMCIA_SLOT_MSG
200 } else if (strncmp(argv
[1],"inf",3) == 0) {
205 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
) {
206 if (ide_dev_desc
[i
].type
==DEV_TYPE_UNKNOWN
)
207 continue; /* list only known devices */
208 printf ("IDE device %d: ", i
);
209 dev_print(&ide_dev_desc
[i
]);
213 } else if (strncmp(argv
[1],"dev",3) == 0) {
214 if ((curr_device
< 0) || (curr_device
>= CONFIG_SYS_IDE_MAXDEVICE
)) {
215 puts ("\nno IDE devices available\n");
218 printf ("\nIDE device %d: ", curr_device
);
219 dev_print(&ide_dev_desc
[curr_device
]);
221 } else if (strncmp(argv
[1],"part",4) == 0) {
224 for (ok
=0, dev
=0; dev
<CONFIG_SYS_IDE_MAXDEVICE
; ++dev
) {
225 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
229 print_part(&ide_dev_desc
[dev
]);
233 puts ("\nno IDE devices available\n");
238 return cmd_usage(cmdtp
);
240 if (strncmp(argv
[1],"dev",3) == 0) {
241 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
243 printf ("\nIDE device %d: ", dev
);
244 if (dev
>= CONFIG_SYS_IDE_MAXDEVICE
) {
245 puts ("unknown device\n");
248 dev_print(&ide_dev_desc
[dev
]);
251 if (ide_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
) {
257 puts ("... is now current device\n");
260 } else if (strncmp(argv
[1],"part",4) == 0) {
261 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
263 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
264 print_part(&ide_dev_desc
[dev
]);
266 printf ("\nIDE device %d not available\n", dev
);
271 } else if (strncmp(argv
[1],"pio",4) == 0) {
272 int mode
= (int)simple_strtoul(argv
[2], NULL
, 10);
274 if ((mode
>= 0) && (mode
<= IDE_MAX_PIO_MODE
)) {
279 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
280 mode
, IDE_MAX_PIO_MODE
);
286 return cmd_usage(cmdtp
);
288 /* at least 4 args */
290 if (strcmp(argv
[1],"read") == 0) {
291 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
292 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
294 #ifdef CONFIG_SYS_64BIT_LBA
295 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
297 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
298 curr_device
, blk
, cnt
);
300 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
302 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
303 curr_device
, blk
, cnt
);
306 n
= ide_dev_desc
[curr_device
].block_read (curr_device
,
309 /* flush cache after read */
310 flush_cache (addr
, cnt
*ide_dev_desc
[curr_device
].blksz
);
312 printf ("%ld blocks read: %s\n",
313 n
, (n
==cnt
) ? "OK" : "ERROR");
319 } else if (strcmp(argv
[1],"write") == 0) {
320 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
321 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
323 #ifdef CONFIG_SYS_64BIT_LBA
324 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
326 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
327 curr_device
, blk
, cnt
);
329 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
331 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
332 curr_device
, blk
, cnt
);
335 n
= ide_write (curr_device
, blk
, cnt
, (ulong
*)addr
);
337 printf ("%ld blocks written: %s\n",
338 n
, (n
==cnt
) ? "OK" : "ERROR");
344 return cmd_usage(cmdtp
);
351 int do_diskboot (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
353 char *boot_device
= NULL
;
357 disk_partition_t info
;
360 #if defined(CONFIG_FIT)
361 const void *fit_hdr
= NULL
;
364 show_boot_progress (41);
367 addr
= CONFIG_SYS_LOAD_ADDR
;
368 boot_device
= getenv ("bootdevice");
371 addr
= simple_strtoul(argv
[1], NULL
, 16);
372 boot_device
= getenv ("bootdevice");
375 addr
= simple_strtoul(argv
[1], NULL
, 16);
376 boot_device
= argv
[2];
379 show_boot_progress (-42);
380 return cmd_usage(cmdtp
);
382 show_boot_progress (42);
385 puts ("\n** No boot device **\n");
386 show_boot_progress (-43);
389 show_boot_progress (43);
391 dev
= simple_strtoul(boot_device
, &ep
, 16);
393 if (ide_dev_desc
[dev
].type
==DEV_TYPE_UNKNOWN
) {
394 printf ("\n** Device %d not available\n", dev
);
395 show_boot_progress (-44);
398 show_boot_progress (44);
402 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
403 show_boot_progress (-45);
406 part
= simple_strtoul(++ep
, NULL
, 16);
408 show_boot_progress (45);
409 if (get_partition_info (&ide_dev_desc
[dev
], part
, &info
)) {
410 show_boot_progress (-46);
413 show_boot_progress (46);
414 if ((strncmp((char *)info
.type
, BOOT_PART_TYPE
, sizeof(info
.type
)) != 0) &&
415 (strncmp((char *)info
.type
, BOOT_PART_COMP
, sizeof(info
.type
)) != 0)) {
416 printf ("\n** Invalid partition type \"%.32s\""
417 " (expect \"" BOOT_PART_TYPE
"\")\n",
419 show_boot_progress (-47);
422 show_boot_progress (47);
424 printf ("\nLoading from IDE device %d, partition %d: "
425 "Name: %.32s Type: %.32s\n",
426 dev
, part
, info
.name
, info
.type
);
428 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
429 info
.start
, info
.size
, info
.blksz
);
431 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
, 1, (ulong
*)addr
) != 1) {
432 printf ("** Read error on %d:%d\n", dev
, part
);
433 show_boot_progress (-48);
436 show_boot_progress (48);
438 switch (genimg_get_format ((void *)addr
)) {
439 case IMAGE_FORMAT_LEGACY
:
440 hdr
= (image_header_t
*)addr
;
442 show_boot_progress (49);
444 if (!image_check_hcrc (hdr
)) {
445 puts ("\n** Bad Header Checksum **\n");
446 show_boot_progress (-50);
449 show_boot_progress (50);
451 image_print_contents (hdr
);
453 cnt
= image_get_image_size (hdr
);
455 #if defined(CONFIG_FIT)
456 case IMAGE_FORMAT_FIT
:
457 fit_hdr
= (const void *)addr
;
458 puts ("Fit image detected...\n");
460 cnt
= fit_get_size (fit_hdr
);
464 show_boot_progress (-49);
465 puts ("** Unknown image type\n");
469 cnt
+= info
.blksz
- 1;
473 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
+1, cnt
,
474 (ulong
*)(addr
+info
.blksz
)) != cnt
) {
475 printf ("** Read error on %d:%d\n", dev
, part
);
476 show_boot_progress (-51);
479 show_boot_progress (51);
481 #if defined(CONFIG_FIT)
482 /* This cannot be done earlier, we need complete FIT image in RAM first */
483 if (genimg_get_format ((void *)addr
) == IMAGE_FORMAT_FIT
) {
484 if (!fit_check_format (fit_hdr
)) {
485 show_boot_progress (-140);
486 puts ("** Bad FIT image format\n");
489 show_boot_progress (141);
490 fit_print_contents (fit_hdr
);
494 /* Loading ok, update default load address */
498 /* Check if we should attempt an auto-start */
499 if (((ep
= getenv("autostart")) != NULL
) && (strcmp(ep
,"yes") == 0)) {
502 local_args
[0] = argv
[0];
503 local_args
[1] = NULL
;
505 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr
);
507 do_bootm (cmdtp
, 0, 1, local_args
);
513 /* ------------------------------------------------------------------------- */
516 __ide_outb(int dev
, int port
, unsigned char val
)
518 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
519 dev
, port
, val
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
520 outb(val
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
522 void ide_outb (int dev
, int port
, unsigned char val
)
523 __attribute__((weak
, alias("__ide_outb")));
526 __ide_inb(int dev
, int port
)
529 val
= inb((ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)));
530 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
531 dev
, port
, (ATA_CURR_BASE(dev
)+CONFIG_SYS_ATA_PORT_ADDR(port
)), val
);
534 unsigned char ide_inb(int dev
, int port
)
535 __attribute__((weak
, alias("__ide_inb")));
537 #ifdef CONFIG_TUNE_PIO
539 __ide_set_piomode(int pio_mode
)
543 int inline ide_set_piomode(int pio_mode
)
544 __attribute__((weak
, alias("__ide_set_piomode")));
550 #ifdef CONFIG_IDE_8xx_DIRECT
551 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
552 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
556 #if defined(CONFIG_SC3)
557 unsigned int ata_reset_time
= ATA_RESET_TIME
;
559 #ifdef CONFIG_IDE_8xx_PCCARD
560 extern int pcmcia_on (void);
561 extern int ide_devices_found
; /* Initialized in check_ide_device() */
562 #endif /* CONFIG_IDE_8xx_PCCARD */
564 #ifdef CONFIG_IDE_PREINIT
565 extern int ide_preinit (void);
568 if (ide_preinit ()) {
569 puts ("ide_preinit failed\n");
572 #endif /* CONFIG_IDE_PREINIT */
574 #ifdef CONFIG_IDE_8xx_PCCARD
575 extern int pcmcia_on (void);
576 extern int ide_devices_found
; /* Initialized in check_ide_device() */
580 ide_devices_found
= 0;
581 /* initialize the PCMCIA IDE adapter card */
583 if (!ide_devices_found
)
585 udelay (1000000); /* 1 s */
586 #endif /* CONFIG_IDE_8xx_PCCARD */
590 #ifdef CONFIG_IDE_8xx_DIRECT
591 /* Initialize PIO timing tables */
592 for (i
=0; i
<= IDE_MAX_PIO_MODE
; ++i
) {
593 pio_config_clk
[i
].t_setup
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_setup
,
595 pio_config_clk
[i
].t_length
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_length
,
597 pio_config_clk
[i
].t_hold
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_hold
,
599 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
601 " hold=%2d ns/%d clk\n",
603 pio_config_ns
[i
].t_setup
, pio_config_clk
[i
].t_setup
,
604 pio_config_ns
[i
].t_length
, pio_config_clk
[i
].t_length
,
605 pio_config_ns
[i
].t_hold
, pio_config_clk
[i
].t_hold
);
607 #endif /* CONFIG_IDE_8xx_DIRECT */
609 /* Reset the IDE just to be sure.
610 * Light LED's to show
612 ide_led ((LED_IDE1
| LED_IDE2
), 1); /* LED's on */
613 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
615 #ifdef CONFIG_IDE_8xx_DIRECT
616 /* PCMCIA / IDE initialization for common mem space */
617 pcmp
->pcmc_pgcrb
= 0;
619 /* start in PIO mode 0 - most relaxed timings */
621 set_pcmcia_timing (pio_mode
);
622 #endif /* CONFIG_IDE_8xx_DIRECT */
625 * Wait for IDE to get ready.
626 * According to spec, this can take up to 31 seconds!
628 for (bus
=0; bus
<CONFIG_SYS_IDE_MAXBUS
; ++bus
) {
629 int dev
= bus
* (CONFIG_SYS_IDE_MAXDEVICE
/ CONFIG_SYS_IDE_MAXBUS
);
631 #ifdef CONFIG_IDE_8xx_PCCARD
632 /* Skip non-ide devices from probing */
633 if ((ide_devices_found
& (1 << bus
)) == 0) {
634 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
638 printf ("Bus %d: ", bus
);
644 udelay (100000); /* 100 ms */
645 ide_outb (dev
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(dev
));
646 udelay (100000); /* 100 ms */
649 udelay (10000); /* 10 ms */
651 c
= ide_inb (dev
, ATA_STATUS
);
653 #if defined(CONFIG_SC3)
654 if (i
> (ata_reset_time
* 100)) {
656 if (i
> (ATA_RESET_TIME
* 100)) {
658 puts ("** Timeout **\n");
659 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
662 if ((i
>= 100) && ((i
%100)==0)) {
665 } while (c
& ATA_STAT_BUSY
);
667 if (c
& (ATA_STAT_BUSY
| ATA_STAT_FAULT
)) {
668 puts ("not available ");
669 debug ("Status = 0x%02X ", c
);
670 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
671 } else if ((c
& ATA_STAT_READY
) == 0) {
672 puts ("not available ");
673 debug ("Status = 0x%02X ", c
);
684 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
687 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
) {
688 #ifdef CONFIG_IDE_LED
689 int led
= (IDE_BUS(i
) == 0) ? LED_IDE1
: LED_IDE2
;
691 ide_dev_desc
[i
].type
=DEV_TYPE_UNKNOWN
;
692 ide_dev_desc
[i
].if_type
=IF_TYPE_IDE
;
693 ide_dev_desc
[i
].dev
=i
;
694 ide_dev_desc
[i
].part_type
=PART_TYPE_UNKNOWN
;
695 ide_dev_desc
[i
].blksz
=0;
696 ide_dev_desc
[i
].lba
=0;
697 ide_dev_desc
[i
].block_read
=ide_read
;
698 if (!ide_bus_ok
[IDE_BUS(i
)])
700 ide_led (led
, 1); /* LED on */
701 ide_ident(&ide_dev_desc
[i
]);
702 ide_led (led
, 0); /* LED off */
703 dev_print(&ide_dev_desc
[i
]);
705 if ((ide_dev_desc
[i
].lba
> 0) && (ide_dev_desc
[i
].blksz
> 0)) {
706 init_part (&ide_dev_desc
[i
]); /* initialize partition type */
714 /* ------------------------------------------------------------------------- */
716 block_dev_desc_t
* ide_get_dev(int dev
)
718 return (dev
< CONFIG_SYS_IDE_MAXDEVICE
) ? &ide_dev_desc
[dev
] : NULL
;
722 #ifdef CONFIG_IDE_8xx_DIRECT
725 set_pcmcia_timing (int pmode
)
727 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
728 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
731 debug ("Set timing for PIO Mode %d\n", pmode
);
733 timings
= PCMCIA_SHT(pio_config_clk
[pmode
].t_hold
)
734 | PCMCIA_SST(pio_config_clk
[pmode
].t_setup
)
735 | PCMCIA_SL (pio_config_clk
[pmode
].t_length
)
740 pcmp
->pcmc_pbr0
= CONFIG_SYS_PCMCIA_PBR0
;
741 pcmp
->pcmc_por0
= CONFIG_SYS_PCMCIA_POR0
742 #if (CONFIG_SYS_PCMCIA_POR0 != 0)
746 debug ("PBR0: %08x POR0: %08x\n", pcmp
->pcmc_pbr0
, pcmp
->pcmc_por0
);
748 pcmp
->pcmc_pbr1
= CONFIG_SYS_PCMCIA_PBR1
;
749 pcmp
->pcmc_por1
= CONFIG_SYS_PCMCIA_POR1
750 #if (CONFIG_SYS_PCMCIA_POR1 != 0)
754 debug ("PBR1: %08x POR1: %08x\n", pcmp
->pcmc_pbr1
, pcmp
->pcmc_por1
);
756 pcmp
->pcmc_pbr2
= CONFIG_SYS_PCMCIA_PBR2
;
757 pcmp
->pcmc_por2
= CONFIG_SYS_PCMCIA_POR2
758 #if (CONFIG_SYS_PCMCIA_POR2 != 0)
762 debug ("PBR2: %08x POR2: %08x\n", pcmp
->pcmc_pbr2
, pcmp
->pcmc_por2
);
764 pcmp
->pcmc_pbr3
= CONFIG_SYS_PCMCIA_PBR3
;
765 pcmp
->pcmc_por3
= CONFIG_SYS_PCMCIA_POR3
766 #if (CONFIG_SYS_PCMCIA_POR3 != 0)
770 debug ("PBR3: %08x POR3: %08x\n", pcmp
->pcmc_pbr3
, pcmp
->pcmc_por3
);
774 pcmp
->pcmc_pbr4
= CONFIG_SYS_PCMCIA_PBR4
;
775 pcmp
->pcmc_por4
= CONFIG_SYS_PCMCIA_POR4
776 #if (CONFIG_SYS_PCMCIA_POR4 != 0)
780 debug ("PBR4: %08x POR4: %08x\n", pcmp
->pcmc_pbr4
, pcmp
->pcmc_por4
);
782 pcmp
->pcmc_pbr5
= CONFIG_SYS_PCMCIA_PBR5
;
783 pcmp
->pcmc_por5
= CONFIG_SYS_PCMCIA_POR5
784 #if (CONFIG_SYS_PCMCIA_POR5 != 0)
788 debug ("PBR5: %08x POR5: %08x\n", pcmp
->pcmc_pbr5
, pcmp
->pcmc_por5
);
790 pcmp
->pcmc_pbr6
= CONFIG_SYS_PCMCIA_PBR6
;
791 pcmp
->pcmc_por6
= CONFIG_SYS_PCMCIA_POR6
792 #if (CONFIG_SYS_PCMCIA_POR6 != 0)
796 debug ("PBR6: %08x POR6: %08x\n", pcmp
->pcmc_pbr6
, pcmp
->pcmc_por6
);
798 pcmp
->pcmc_pbr7
= CONFIG_SYS_PCMCIA_PBR7
;
799 pcmp
->pcmc_por7
= CONFIG_SYS_PCMCIA_POR7
800 #if (CONFIG_SYS_PCMCIA_POR7 != 0)
804 debug ("PBR7: %08x POR7: %08x\n", pcmp
->pcmc_pbr7
, pcmp
->pcmc_por7
);
808 #endif /* CONFIG_IDE_8xx_DIRECT */
810 /* ------------------------------------------------------------------------- */
812 /* We only need to swap data if we are running on a big endian cpu. */
813 /* But Au1x00 cpu:s already swaps data in big endian mode! */
814 #if defined(__LITTLE_ENDIAN) || \
815 (defined(CONFIG_SOC_AU1X00) && !defined(CONFIG_GTH2))
816 #define input_swap_data(x,y,z) input_data(x,y,z)
819 input_swap_data(int dev
, ulong
*sect_buf
, int words
)
821 #if defined(CONFIG_CPC45)
823 volatile uchar
*pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
824 volatile uchar
*pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
825 ushort
*dbuf
= (ushort
*)sect_buf
;
828 for (i
=0; i
<2; i
++) {
829 *(((uchar
*)(dbuf
)) + 1) = *pbuf_even
;
830 *(uchar
*)dbuf
= *pbuf_odd
;
835 volatile ushort
*pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
836 ushort
*dbuf
= (ushort
*)sect_buf
;
838 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf
);
842 *dbuf
++ = swab16p((u16
*)pbuf
);
843 *dbuf
++ = swab16p((u16
*)pbuf
);
844 #elif defined(CONFIG_PCS440EP)
848 *dbuf
++ = ld_le16(pbuf
);
849 *dbuf
++ = ld_le16(pbuf
);
854 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
857 #if defined(CONFIG_IDE_SWAP_IO)
859 output_data(int dev
, ulong
*sect_buf
, int words
)
861 #if defined(CONFIG_CPC45)
863 volatile uchar
*pbuf_even
;
864 volatile uchar
*pbuf_odd
;
866 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
867 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
868 dbuf
= (uchar
*)sect_buf
;
871 *pbuf_even
= *dbuf
++;
875 *pbuf_even
= *dbuf
++;
881 volatile ushort
*pbuf
;
883 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
884 dbuf
= (ushort
*)sect_buf
;
886 #if defined(CONFIG_PCS440EP)
887 /* not tested, because CF was write protected */
889 *pbuf
= ld_le16(dbuf
++);
891 *pbuf
= ld_le16(dbuf
++);
901 #else /* ! CONFIG_IDE_SWAP_IO */
903 output_data(int dev
, ulong
*sect_buf
, int words
)
905 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<<1);
907 #endif /* CONFIG_IDE_SWAP_IO */
909 #if defined(CONFIG_IDE_SWAP_IO)
911 input_data(int dev
, ulong
*sect_buf
, int words
)
913 #if defined(CONFIG_CPC45)
915 volatile uchar
*pbuf_even
;
916 volatile uchar
*pbuf_odd
;
918 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
919 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
920 dbuf
= (uchar
*)sect_buf
;
922 *dbuf
++ = *pbuf_even
;
928 *dbuf
++ = *pbuf_even
;
937 volatile ushort
*pbuf
;
939 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
940 dbuf
= (ushort
*)sect_buf
;
942 debug("in input data base for read is %lx\n", (unsigned long) pbuf
);
945 #if defined(CONFIG_PCS440EP)
947 *dbuf
++ = ld_le16(pbuf
);
949 *dbuf
++ = ld_le16(pbuf
);
959 #else /* ! CONFIG_IDE_SWAP_IO */
961 input_data(int dev
, ulong
*sect_buf
, int words
)
963 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<< 1);
966 #endif /* CONFIG_IDE_SWAP_IO */
968 /* -------------------------------------------------------------------------
970 static void ide_ident (block_dev_desc_t
*dev_desc
)
972 ulong iobuf
[ATA_SECTORWORDS
];
974 hd_driveid_t
*iop
= (hd_driveid_t
*)iobuf
;
981 #ifdef CONFIG_TUNE_PIO
986 int mode
, cycle_time
;
989 device
=dev_desc
->dev
;
990 printf (" Device %d: ", device
);
992 ide_led (DEVICE_LED(device
), 1); /* LED on */
995 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
996 dev_desc
->if_type
=IF_TYPE_IDE
;
1002 /* Warning: This will be tricky to read */
1003 while (retries
<= 1) {
1004 /* check signature */
1005 if ((ide_inb(device
,ATA_SECT_CNT
) == 0x01) &&
1006 (ide_inb(device
,ATA_SECT_NUM
) == 0x01) &&
1007 (ide_inb(device
,ATA_CYL_LOW
) == 0x14) &&
1008 (ide_inb(device
,ATA_CYL_HIGH
) == 0xEB)) {
1009 /* ATAPI Signature found */
1010 dev_desc
->if_type
=IF_TYPE_ATAPI
;
1011 /* Start Ident Command
1013 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_IDENT
);
1015 * Wait for completion - ATAPI devices need more time
1018 c
= ide_wait (device
, ATAPI_TIME_OUT
);
1022 /* Start Ident Command
1024 ide_outb (device
, ATA_COMMAND
, ATA_CMD_IDENT
);
1026 /* Wait for completion
1028 c
= ide_wait (device
, IDE_TIME_OUT
);
1030 ide_led (DEVICE_LED(device
), 0); /* LED off */
1032 if (((c
& ATA_STAT_DRQ
) == 0) ||
1033 ((c
& (ATA_STAT_FAULT
|ATA_STAT_ERR
)) != 0) ) {
1036 /* Need to soft reset the device in case it's an ATAPI... */
1037 debug ("Retrying...\n");
1038 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1040 ide_outb (device
, ATA_COMMAND
, 0x08);
1041 udelay (500000); /* 500 ms */
1045 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1054 } /* see above - ugly to read */
1056 if (retries
== 2) /* Not found */
1060 input_swap_data (device
, iobuf
, ATA_SECTORWORDS
);
1062 ident_cpy ((unsigned char*)dev_desc
->revision
, iop
->fw_rev
, sizeof(dev_desc
->revision
));
1063 ident_cpy ((unsigned char*)dev_desc
->vendor
, iop
->model
, sizeof(dev_desc
->vendor
));
1064 ident_cpy ((unsigned char*)dev_desc
->product
, iop
->serial_no
, sizeof(dev_desc
->product
));
1065 #ifdef __LITTLE_ENDIAN
1067 * firmware revision, model, and serial number have Big Endian Byte
1068 * order in Word. Convert all three to little endian.
1070 * See CF+ and CompactFlash Specification Revision 2.0:
1071 * 6.2.1.6: Identify Drive, Table 39 for more details
1074 strswab (dev_desc
->revision
);
1075 strswab (dev_desc
->vendor
);
1076 strswab (dev_desc
->product
);
1077 #endif /* __LITTLE_ENDIAN */
1079 if ((iop
->config
& 0x0080)==0x0080)
1080 dev_desc
->removable
= 1;
1082 dev_desc
->removable
= 0;
1084 #ifdef CONFIG_TUNE_PIO
1085 /* Mode 0 - 2 only, are directly determined by word 51. */
1086 pio_mode
= iop
->tPIO
;
1088 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode
);
1089 pio_mode
= 0; /* Force it to dead slow, and hope for the best... */
1092 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1093 * shall set bit 1 of word 53 to one and support the fields contained
1094 * in words 64 through 70.
1096 if (iop
->field_valid
& 0x02) {
1097 /* Mode 3 and above are possible. Check in order from slow
1098 * to fast, so we wind up with the highest mode allowed.
1100 if (iop
->eide_pio_modes
& 0x01)
1102 if (iop
->eide_pio_modes
& 0x02)
1104 if (ata_id_is_cfa((u16
*)iop
)) {
1105 if ((iop
->cf_advanced_caps
& 0x07) == 0x01)
1107 if ((iop
->cf_advanced_caps
& 0x07) == 0x02)
1112 /* System-specific, depends on bus speeds, etc. */
1113 ide_set_piomode(pio_mode
);
1114 #endif /* CONFIG_TUNE_PIO */
1118 * Drive PIO mode autoselection
1122 printf ("tPIO = 0x%02x = %d\n",mode
, mode
);
1123 if (mode
> 2) { /* 2 is maximum allowed tPIO value */
1125 debug ("Override tPIO -> 2\n");
1127 if (iop
->field_valid
& 2) { /* drive implements ATA2? */
1128 debug ("Drive implements ATA2\n");
1129 if (iop
->capability
& 8) { /* drive supports use_iordy? */
1130 cycle_time
= iop
->eide_pio_iordy
;
1132 cycle_time
= iop
->eide_pio
;
1134 debug ("cycle time = %d\n", cycle_time
);
1136 if (cycle_time
> 120) mode
= 3; /* 120 ns for PIO mode 4 */
1137 if (cycle_time
> 180) mode
= 2; /* 180 ns for PIO mode 3 */
1138 if (cycle_time
> 240) mode
= 1; /* 240 ns for PIO mode 4 */
1139 if (cycle_time
> 383) mode
= 0; /* 383 ns for PIO mode 4 */
1141 printf ("PIO mode to use: PIO %d\n", mode
);
1145 if (dev_desc
->if_type
==IF_TYPE_ATAPI
) {
1146 atapi_inquiry(dev_desc
);
1149 #endif /* CONFIG_ATAPI */
1153 dev_desc
->lba
= (iop
->lba_capacity
<< 16) | (iop
->lba_capacity
>> 16);
1154 #else /* ! __BIG_ENDIAN */
1156 * do not swap shorts on little endian
1158 * See CF+ and CompactFlash Specification Revision 2.0:
1159 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1161 dev_desc
->lba
= iop
->lba_capacity
;
1162 #endif /* __BIG_ENDIAN */
1165 if (iop
->command_set_2
& 0x0400) { /* LBA 48 support */
1166 dev_desc
->lba48
= 1;
1167 dev_desc
->lba
= (unsigned long long)iop
->lba48_capacity
[0] |
1168 ((unsigned long long)iop
->lba48_capacity
[1] << 16) |
1169 ((unsigned long long)iop
->lba48_capacity
[2] << 32) |
1170 ((unsigned long long)iop
->lba48_capacity
[3] << 48);
1172 dev_desc
->lba48
= 0;
1174 #endif /* CONFIG_LBA48 */
1176 dev_desc
->type
=DEV_TYPE_HARDDISK
;
1177 dev_desc
->blksz
=ATA_BLOCKSIZE
;
1178 dev_desc
->lun
=0; /* just to fill something in... */
1180 #if 0 /* only used to test the powersaving mode,
1181 * if enabled, the drive goes after 5 sec
1182 * in standby mode */
1183 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1184 c
= ide_wait (device
, IDE_TIME_OUT
);
1185 ide_outb (device
, ATA_SECT_CNT
, 1);
1186 ide_outb (device
, ATA_LBA_LOW
, 0);
1187 ide_outb (device
, ATA_LBA_MID
, 0);
1188 ide_outb (device
, ATA_LBA_HIGH
, 0);
1189 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1190 ide_outb (device
, ATA_COMMAND
, 0xe3);
1192 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1197 /* ------------------------------------------------------------------------- */
1199 ulong
ide_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1203 unsigned char pwrsave
=0; /* power save */
1205 unsigned char lba48
= 0;
1207 if (blknr
& 0x0000fffff0000000ULL
) {
1208 /* more than 28 bits used, use 48bit mode */
1212 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
1213 device
, blknr
, blkcnt
, (ulong
)buffer
);
1215 ide_led (DEVICE_LED(device
), 1); /* LED on */
1219 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1220 c
= ide_wait (device
, IDE_TIME_OUT
);
1222 if (c
& ATA_STAT_BUSY
) {
1223 printf ("IDE read: device %d not ready\n", device
);
1227 /* first check if the drive is in Powersaving mode, if yes,
1228 * increase the timeout value */
1229 ide_outb (device
, ATA_COMMAND
, ATA_CMD_CHK_PWR
);
1232 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1234 if (c
& ATA_STAT_BUSY
) {
1235 printf ("IDE read: device %d not ready\n", device
);
1238 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1239 printf ("No Powersaving mode %X\n", c
);
1241 c
= ide_inb(device
,ATA_SECT_CNT
);
1242 debug ("Powersaving %02X\n",c
);
1248 while (blkcnt
-- > 0) {
1250 c
= ide_wait (device
, IDE_TIME_OUT
);
1252 if (c
& ATA_STAT_BUSY
) {
1253 printf ("IDE read: device %d not ready\n", device
);
1258 /* write high bits */
1259 ide_outb (device
, ATA_SECT_CNT
, 0);
1260 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1261 #ifdef CONFIG_SYS_64BIT_LBA
1262 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1263 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1265 ide_outb (device
, ATA_LBA_MID
, 0);
1266 ide_outb (device
, ATA_LBA_HIGH
, 0);
1270 ide_outb (device
, ATA_SECT_CNT
, 1);
1271 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1272 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1273 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1277 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1278 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ_EXT
);
1283 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1284 ATA_DEVICE(device
) |
1285 ((blknr
>> 24) & 0xF) );
1286 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ
);
1292 c
= ide_wait (device
, IDE_SPIN_UP_TIME_OUT
); /* may take up to 4 sec */
1295 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1298 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1299 #if defined(CONFIG_SYS_64BIT_LBA)
1300 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1303 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1304 device
, (ulong
)blknr
, c
);
1309 input_data (device
, buffer
, ATA_SECTORWORDS
);
1310 (void) ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1314 buffer
+= ATA_BLOCKSIZE
;
1317 ide_led (DEVICE_LED(device
), 0); /* LED off */
1321 /* ------------------------------------------------------------------------- */
1324 ulong
ide_write (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1329 unsigned char lba48
= 0;
1331 if (blknr
& 0x0000fffff0000000ULL
) {
1332 /* more than 28 bits used, use 48bit mode */
1337 ide_led (DEVICE_LED(device
), 1); /* LED on */
1341 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1343 while (blkcnt
-- > 0) {
1345 c
= ide_wait (device
, IDE_TIME_OUT
);
1347 if (c
& ATA_STAT_BUSY
) {
1348 printf ("IDE read: device %d not ready\n", device
);
1353 /* write high bits */
1354 ide_outb (device
, ATA_SECT_CNT
, 0);
1355 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1356 #ifdef CONFIG_SYS_64BIT_LBA
1357 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1358 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1360 ide_outb (device
, ATA_LBA_MID
, 0);
1361 ide_outb (device
, ATA_LBA_HIGH
, 0);
1365 ide_outb (device
, ATA_SECT_CNT
, 1);
1366 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1367 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1368 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1372 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1373 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE_EXT
);
1378 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1379 ATA_DEVICE(device
) |
1380 ((blknr
>> 24) & 0xF) );
1381 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE
);
1386 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1388 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1389 #if defined(CONFIG_SYS_64BIT_LBA)
1390 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1393 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1394 device
, (ulong
)blknr
, c
);
1399 output_data (device
, buffer
, ATA_SECTORWORDS
);
1400 c
= ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1403 buffer
+= ATA_BLOCKSIZE
;
1406 ide_led (DEVICE_LED(device
), 0); /* LED off */
1410 /* ------------------------------------------------------------------------- */
1413 * copy src to dest, skipping leading and trailing blanks and null
1414 * terminate the string
1415 * "len" is the size of available memory including the terminating '\0'
1417 static void ident_cpy (unsigned char *dst
, unsigned char *src
, unsigned int len
)
1419 unsigned char *end
, *last
;
1422 end
= src
+ len
- 1;
1424 /* reserve space for '\0' */
1428 /* skip leading white space */
1429 while ((*src
) && (src
<end
) && (*src
==' '))
1432 /* copy string, omitting trailing white space */
1433 while ((*src
) && (src
<end
)) {
1442 /* ------------------------------------------------------------------------- */
1445 * Wait until Busy bit is off, or timeout (in ms)
1446 * Return last status
1448 static uchar
ide_wait (int dev
, ulong t
)
1450 ulong delay
= 10 * t
; /* poll every 100 us */
1453 while ((c
= ide_inb(dev
, ATA_STATUS
)) & ATA_STAT_BUSY
) {
1462 /* ------------------------------------------------------------------------- */
1464 #ifdef CONFIG_IDE_RESET
1465 extern void ide_set_reset(int idereset
);
1467 static void ide_reset (void)
1469 #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1470 volatile immap_t
*immr
= (immap_t
*)CONFIG_SYS_IMMR
;
1475 for (i
=0; i
<CONFIG_SYS_IDE_MAXBUS
; ++i
)
1477 for (i
=0; i
<CONFIG_SYS_IDE_MAXDEVICE
; ++i
)
1478 ide_dev_desc
[i
].type
= DEV_TYPE_UNKNOWN
;
1480 ide_set_reset (1); /* assert reset */
1482 /* the reset signal shall be asserted for et least 25 us */
1487 #ifdef CONFIG_SYS_PB_12V_ENABLE
1488 immr
->im_cpm
.cp_pbdat
&= ~(CONFIG_SYS_PB_12V_ENABLE
); /* 12V Enable output OFF */
1489 immr
->im_cpm
.cp_pbpar
&= ~(CONFIG_SYS_PB_12V_ENABLE
);
1490 immr
->im_cpm
.cp_pbodr
&= ~(CONFIG_SYS_PB_12V_ENABLE
);
1491 immr
->im_cpm
.cp_pbdir
|= CONFIG_SYS_PB_12V_ENABLE
;
1493 /* wait 500 ms for the voltage to stabilize
1495 for (i
=0; i
<500; ++i
) {
1499 immr
->im_cpm
.cp_pbdat
|= CONFIG_SYS_PB_12V_ENABLE
; /* 12V Enable output ON */
1500 #endif /* CONFIG_SYS_PB_12V_ENABLE */
1502 #ifdef CONFIG_SYS_PB_IDE_MOTOR
1503 /* configure IDE Motor voltage monitor pin as input */
1504 immr
->im_cpm
.cp_pbpar
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1505 immr
->im_cpm
.cp_pbodr
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1506 immr
->im_cpm
.cp_pbdir
&= ~(CONFIG_SYS_PB_IDE_MOTOR
);
1508 /* wait up to 1 s for the motor voltage to stabilize
1510 for (i
=0; i
<1000; ++i
) {
1511 if ((immr
->im_cpm
.cp_pbdat
& CONFIG_SYS_PB_IDE_MOTOR
) != 0) {
1517 if (i
== 1000) { /* Timeout */
1518 printf ("\nWarning: 5V for IDE Motor missing\n");
1519 # ifdef CONFIG_STATUS_LED
1520 # ifdef STATUS_LED_YELLOW
1521 status_led_set (STATUS_LED_YELLOW
, STATUS_LED_ON
);
1523 # ifdef STATUS_LED_GREEN
1524 status_led_set (STATUS_LED_GREEN
, STATUS_LED_OFF
);
1526 # endif /* CONFIG_STATUS_LED */
1528 #endif /* CONFIG_SYS_PB_IDE_MOTOR */
1532 /* de-assert RESET signal */
1536 for (i
=0; i
<250; ++i
) {
1541 #endif /* CONFIG_IDE_RESET */
1543 /* ------------------------------------------------------------------------- */
1545 #if defined(CONFIG_IDE_LED) && \
1546 !defined(CONFIG_CPC45) && \
1547 !defined(CONFIG_KUP4K) && \
1548 !defined(CONFIG_KUP4X)
1550 static uchar led_buffer
= 0; /* Buffer for current LED status */
1552 static void ide_led (uchar led
, uchar status
)
1554 uchar
*led_port
= LED_PORT
;
1556 if (status
) { /* switch LED on */
1558 } else { /* switch LED off */
1562 *led_port
= led_buffer
;
1565 #endif /* CONFIG_IDE_LED */
1567 #if defined(CONFIG_OF_IDE_FIXUP)
1568 int ide_device_present(int dev
)
1570 if (dev
>= CONFIG_SYS_IDE_MAXBUS
)
1572 return (ide_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
? 0 : 1);
1575 /* ------------------------------------------------------------------------- */
1578 /****************************************************************************
1582 #if defined(CONFIG_IDE_SWAP_IO)
1583 /* since ATAPI may use commands with not 4 bytes alligned length
1584 * we have our own transfer functions, 2 bytes alligned */
1586 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1588 #if defined(CONFIG_CPC45)
1590 volatile uchar
*pbuf_even
;
1591 volatile uchar
*pbuf_odd
;
1593 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1594 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1597 *pbuf_even
= *dbuf
++;
1599 *pbuf_odd
= *dbuf
++;
1603 volatile ushort
*pbuf
;
1605 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1606 dbuf
= (ushort
*)sect_buf
;
1608 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf
);
1618 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1620 #if defined(CONFIG_CPC45)
1622 volatile uchar
*pbuf_even
;
1623 volatile uchar
*pbuf_odd
;
1625 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1626 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1629 *dbuf
++ = *pbuf_even
;
1631 *dbuf
++ = *pbuf_odd
;
1635 volatile ushort
*pbuf
;
1637 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1638 dbuf
= (ushort
*)sect_buf
;
1640 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf
);
1649 #else /* ! CONFIG_IDE_SWAP_IO */
1651 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1653 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1657 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1659 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1662 #endif /* CONFIG_IDE_SWAP_IO */
1665 * Wait until (Status & mask) == res, or timeout (in ms)
1666 * Return last status
1667 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1668 * and then they set their DRQ Bit
1670 static uchar
atapi_wait_mask (int dev
, ulong t
,uchar mask
, uchar res
)
1672 ulong delay
= 10 * t
; /* poll every 100 us */
1675 c
= ide_inb(dev
,ATA_DEV_CTL
); /* prevents to read the status before valid */
1676 while (((c
= ide_inb(dev
, ATA_STATUS
)) & mask
) != res
) {
1677 /* break if error occurs (doesn't make sense to wait more) */
1678 if((c
& ATA_STAT_ERR
)==ATA_STAT_ERR
)
1689 * issue an atapi command
1691 unsigned char atapi_issue(int device
,unsigned char* ccb
,int ccblen
, unsigned char * buffer
,int buflen
)
1693 unsigned char c
,err
,mask
,res
;
1695 ide_led (DEVICE_LED(device
), 1); /* LED on */
1699 mask
= ATA_STAT_BUSY
|ATA_STAT_DRQ
;
1701 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1702 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1703 if ((c
& mask
) != res
) {
1704 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device
,c
);
1708 /* write taskfile */
1709 ide_outb (device
, ATA_ERROR_REG
, 0); /* no DMA, no overlaped */
1710 ide_outb (device
, ATA_SECT_CNT
, 0);
1711 ide_outb (device
, ATA_SECT_NUM
, 0);
1712 ide_outb (device
, ATA_CYL_LOW
, (unsigned char)(buflen
& 0xFF));
1713 ide_outb (device
, ATA_CYL_HIGH
, (unsigned char)((buflen
>>8) & 0xFF));
1714 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1716 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_PACKET
);
1719 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1721 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1723 if ((c
& mask
) != res
) { /* DRQ must be 1, BSY 0 */
1724 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device
,c
);
1729 output_data_shorts (device
, (unsigned short *)ccb
,ccblen
/2); /* write command block */
1730 /* ATAPI Command written wait for completition */
1731 udelay (5000); /* device must set bsy */
1733 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1734 /* if no data wait for DRQ = 0 BSY = 0
1735 * if data wait for DRQ = 1 BSY = 0 */
1739 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1740 if ((c
& mask
) != res
) {
1741 if (c
& ATA_STAT_ERR
) {
1742 err
=(ide_inb(device
,ATA_ERROR_REG
))>>4;
1743 debug ("atapi_issue 1 returned sense key %X status %02X\n",err
,c
);
1745 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb
[0],c
);
1750 n
=ide_inb(device
, ATA_CYL_HIGH
);
1752 n
+=ide_inb(device
, ATA_CYL_LOW
);
1754 printf("ERROR, transfer bytes %d requested only %d\n",n
,buflen
);
1758 if((n
==0)&&(buflen
<0)) {
1759 printf("ERROR, transfer bytes %d requested %d\n",n
,buflen
);
1764 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n
,buflen
);
1766 if(n
!=0) { /* data transfer */
1767 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n
);
1768 /* we transfer shorts */
1770 /* ok now decide if it is an in or output */
1771 if ((ide_inb(device
, ATA_SECT_CNT
)&0x02)==0) {
1772 debug ("Write to device\n");
1773 output_data_shorts(device
,(unsigned short *)buffer
,n
);
1775 debug ("Read from device @ %p shorts %d\n",buffer
,n
);
1776 input_data_shorts(device
,(unsigned short *)buffer
,n
);
1779 udelay(5000); /* seems that some CD ROMs need this... */
1780 mask
= ATA_STAT_BUSY
|ATA_STAT_ERR
;
1782 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1783 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1784 err
=(ide_inb(device
,ATA_ERROR_REG
) >> 4);
1785 debug ("atapi_issue 2 returned sense key %X status %X\n",err
,c
);
1790 ide_led (DEVICE_LED(device
), 0); /* LED off */
1795 * sending the command to atapi_issue. If an status other than good
1796 * returns, an request_sense will be issued
1799 #define ATAPI_DRIVE_NOT_READY 100
1800 #define ATAPI_UNIT_ATTN 10
1802 unsigned char atapi_issue_autoreq (int device
,
1805 unsigned char *buffer
,
1808 unsigned char sense_data
[18],sense_ccb
[12];
1809 unsigned char res
,key
,asc
,ascq
;
1810 int notready
,unitattn
;
1812 unitattn
=ATAPI_UNIT_ATTN
;
1813 notready
=ATAPI_DRIVE_NOT_READY
;
1816 res
= atapi_issue(device
,ccb
,ccblen
,buffer
,buflen
);
1818 return (0); /* Ok */
1821 return (0xFF); /* error */
1823 debug ("(auto_req)atapi_issue returned sense key %X\n",res
);
1825 memset(sense_ccb
,0,sizeof(sense_ccb
));
1826 memset(sense_data
,0,sizeof(sense_data
));
1827 sense_ccb
[0]=ATAPI_CMD_REQ_SENSE
;
1828 sense_ccb
[4]=18; /* allocation Length */
1830 res
=atapi_issue(device
,sense_ccb
,12,sense_data
,18);
1831 key
=(sense_data
[2]&0xF);
1832 asc
=(sense_data
[12]);
1833 ascq
=(sense_data
[13]);
1835 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res
);
1836 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1843 return 0; /* ok device ready */
1845 if((key
==6)|| (asc
==0x29) || (asc
==0x28)) { /* Unit Attention */
1850 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN
);
1853 if((asc
==0x4) && (ascq
==0x1)) { /* not ready, but will be ready soon */
1858 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY
);
1862 debug ("Media not present\n");
1866 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1868 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1873 static void atapi_inquiry(block_dev_desc_t
* dev_desc
)
1875 unsigned char ccb
[12]; /* Command descriptor block */
1876 unsigned char iobuf
[64]; /* temp buf */
1880 device
=dev_desc
->dev
;
1881 dev_desc
->type
=DEV_TYPE_UNKNOWN
; /* not yet valid */
1882 dev_desc
->block_read
=atapi_read
;
1884 memset(ccb
,0,sizeof(ccb
));
1885 memset(iobuf
,0,sizeof(iobuf
));
1887 ccb
[0]=ATAPI_CMD_INQUIRY
;
1888 ccb
[4]=40; /* allocation Legnth */
1889 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,40);
1891 debug ("ATAPI_CMD_INQUIRY returned %x\n",c
);
1895 /* copy device ident strings */
1896 ident_cpy((unsigned char*)dev_desc
->vendor
,&iobuf
[8],8);
1897 ident_cpy((unsigned char*)dev_desc
->product
,&iobuf
[16],16);
1898 ident_cpy((unsigned char*)dev_desc
->revision
,&iobuf
[32],5);
1903 dev_desc
->type
=iobuf
[0] & 0x1f;
1905 if ((iobuf
[1]&0x80)==0x80)
1906 dev_desc
->removable
= 1;
1908 dev_desc
->removable
= 0;
1910 memset(ccb
,0,sizeof(ccb
));
1911 memset(iobuf
,0,sizeof(iobuf
));
1912 ccb
[0]=ATAPI_CMD_START_STOP
;
1913 ccb
[4]=0x03; /* start */
1915 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
1917 debug ("ATAPI_CMD_START_STOP returned %x\n",c
);
1921 memset(ccb
,0,sizeof(ccb
));
1922 memset(iobuf
,0,sizeof(iobuf
));
1923 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
1925 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c
);
1929 memset(ccb
,0,sizeof(ccb
));
1930 memset(iobuf
,0,sizeof(iobuf
));
1931 ccb
[0]=ATAPI_CMD_READ_CAP
;
1932 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,8);
1933 debug ("ATAPI_CMD_READ_CAP returned %x\n",c
);
1937 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1938 iobuf
[0],iobuf
[1],iobuf
[2],iobuf
[3],
1939 iobuf
[4],iobuf
[5],iobuf
[6],iobuf
[7]);
1941 dev_desc
->lba
=((unsigned long)iobuf
[0]<<24) +
1942 ((unsigned long)iobuf
[1]<<16) +
1943 ((unsigned long)iobuf
[2]<< 8) +
1944 ((unsigned long)iobuf
[3]);
1945 dev_desc
->blksz
=((unsigned long)iobuf
[4]<<24) +
1946 ((unsigned long)iobuf
[5]<<16) +
1947 ((unsigned long)iobuf
[6]<< 8) +
1948 ((unsigned long)iobuf
[7]);
1950 dev_desc
->lba48
= 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1958 * we transfer only one block per command, since the multiple DRQ per
1959 * command is not yet implemented
1961 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1962 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1963 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1965 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1968 unsigned char ccb
[12]; /* Command descriptor block */
1971 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1972 device
, blknr
, blkcnt
, (ulong
)buffer
);
1975 if (blkcnt
>ATAPI_READ_MAX_BLOCK
) {
1976 cnt
=ATAPI_READ_MAX_BLOCK
;
1980 ccb
[0]=ATAPI_CMD_READ_12
;
1981 ccb
[1]=0; /* reserved */
1982 ccb
[2]=(unsigned char) (blknr
>>24) & 0xFF; /* MSB Block */
1983 ccb
[3]=(unsigned char) (blknr
>>16) & 0xFF; /* */
1984 ccb
[4]=(unsigned char) (blknr
>> 8) & 0xFF;
1985 ccb
[5]=(unsigned char) blknr
& 0xFF; /* LSB Block */
1986 ccb
[6]=(unsigned char) (cnt
>>24) & 0xFF; /* MSB Block count */
1987 ccb
[7]=(unsigned char) (cnt
>>16) & 0xFF;
1988 ccb
[8]=(unsigned char) (cnt
>> 8) & 0xFF;
1989 ccb
[9]=(unsigned char) cnt
& 0xFF; /* LSB Block */
1990 ccb
[10]=0; /* reserved */
1991 ccb
[11]=0; /* reserved */
1993 if (atapi_issue_autoreq(device
,ccb
,12,
1994 (unsigned char *)buffer
,
1995 cnt
*ATAPI_READ_BLOCK_SIZE
) == 0xFF) {
2001 buffer
+=(cnt
*ATAPI_READ_BLOCK_SIZE
);
2002 } while (blkcnt
> 0);
2006 /* ------------------------------------------------------------------------- */
2008 #endif /* CONFIG_ATAPI */
2013 "reset - reset IDE controller\n"
2014 "ide info - show available IDE devices\n"
2015 "ide device [dev] - show or set current device\n"
2016 "ide part [dev] - print partition table of one or all IDE devices\n"
2017 "ide read addr blk# cnt\n"
2018 "ide write addr blk# cnt - read/write `cnt'"
2019 " blocks starting at block `blk#'\n"
2020 " to/from memory address `addr'"
2024 diskboot
, 3, 1, do_diskboot
,
2025 "boot from IDE device",