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];
96 #define CFG_PIO_MODE 0 /* use a relaxed default */
98 static int pio_mode
= CFG_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
[CFG_IDE_MAXBUS
] = {
113 #if defined(CFG_ATA_IDE0_OFFSET)
116 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
122 #ifndef CONFIG_AMIGAONEG3SE
123 static int ide_bus_ok
[CFG_IDE_MAXBUS
];
125 static int ide_bus_ok
[CFG_IDE_MAXBUS
] = {0,};
128 block_dev_desc_t ide_dev_desc
[CFG_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 void inline ide_outb(int dev
, int port
, unsigned char val
);
165 unsigned char inline ide_inb(int dev
, int port
);
166 static void input_data(int dev
, ulong
*sect_buf
, int words
);
167 static void output_data(int dev
, ulong
*sect_buf
, int words
);
168 static void ident_cpy (unsigned char *dest
, unsigned char *src
, unsigned int len
);
170 #ifndef CFG_ATA_PORT_ADDR
171 #define CFG_ATA_PORT_ADDR(port) (port)
175 static void atapi_inquiry(block_dev_desc_t
*dev_desc
);
176 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
);
180 #ifdef CONFIG_IDE_8xx_DIRECT
181 static void set_pcmcia_timing (int pmode
);
184 /* ------------------------------------------------------------------------- */
186 int do_ide (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
193 printf ("Usage:\n%s\n", cmdtp
->usage
);
196 if (strncmp(argv
[1],"res",3) == 0) {
198 #ifdef CONFIG_IDE_8xx_DIRECT
199 " on PCMCIA " PCMCIA_SLOT_MSG
205 } else if (strncmp(argv
[1],"inf",3) == 0) {
210 for (i
=0; i
<CFG_IDE_MAXDEVICE
; ++i
) {
211 if (ide_dev_desc
[i
].type
==DEV_TYPE_UNKNOWN
)
212 continue; /* list only known devices */
213 printf ("IDE device %d: ", i
);
214 dev_print(&ide_dev_desc
[i
]);
218 } else if (strncmp(argv
[1],"dev",3) == 0) {
219 if ((curr_device
< 0) || (curr_device
>= CFG_IDE_MAXDEVICE
)) {
220 puts ("\nno IDE devices available\n");
223 printf ("\nIDE device %d: ", curr_device
);
224 dev_print(&ide_dev_desc
[curr_device
]);
226 } else if (strncmp(argv
[1],"part",4) == 0) {
229 for (ok
=0, dev
=0; dev
<CFG_IDE_MAXDEVICE
; ++dev
) {
230 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
234 print_part(&ide_dev_desc
[dev
]);
238 puts ("\nno IDE devices available\n");
243 printf ("Usage:\n%s\n", cmdtp
->usage
);
246 if (strncmp(argv
[1],"dev",3) == 0) {
247 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
249 printf ("\nIDE device %d: ", dev
);
250 if (dev
>= CFG_IDE_MAXDEVICE
) {
251 puts ("unknown device\n");
254 dev_print(&ide_dev_desc
[dev
]);
257 if (ide_dev_desc
[dev
].type
== DEV_TYPE_UNKNOWN
) {
263 puts ("... is now current device\n");
266 } else if (strncmp(argv
[1],"part",4) == 0) {
267 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
269 if (ide_dev_desc
[dev
].part_type
!=PART_TYPE_UNKNOWN
) {
270 print_part(&ide_dev_desc
[dev
]);
272 printf ("\nIDE device %d not available\n", dev
);
277 } else if (strncmp(argv
[1],"pio",4) == 0) {
278 int mode
= (int)simple_strtoul(argv
[2], NULL
, 10);
280 if ((mode
>= 0) && (mode
<= IDE_MAX_PIO_MODE
)) {
285 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
286 mode
, IDE_MAX_PIO_MODE
);
292 printf ("Usage:\n%s\n", cmdtp
->usage
);
295 /* at least 4 args */
297 if (strcmp(argv
[1],"read") == 0) {
298 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
299 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
301 #ifdef CFG_64BIT_STRTOUL
302 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
304 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
305 curr_device
, blk
, cnt
);
307 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
309 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
310 curr_device
, blk
, cnt
);
313 n
= ide_dev_desc
[curr_device
].block_read (curr_device
,
316 /* flush cache after read */
317 flush_cache (addr
, cnt
*ide_dev_desc
[curr_device
].blksz
);
319 printf ("%ld blocks read: %s\n",
320 n
, (n
==cnt
) ? "OK" : "ERROR");
326 } else if (strcmp(argv
[1],"write") == 0) {
327 ulong addr
= simple_strtoul(argv
[2], NULL
, 16);
328 ulong cnt
= simple_strtoul(argv
[4], NULL
, 16);
330 #ifdef CFG_64BIT_STRTOUL
331 lbaint_t blk
= simple_strtoull(argv
[3], NULL
, 16);
333 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
334 curr_device
, blk
, cnt
);
336 lbaint_t blk
= simple_strtoul(argv
[3], NULL
, 16);
338 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
339 curr_device
, blk
, cnt
);
342 n
= ide_write (curr_device
, blk
, cnt
, (ulong
*)addr
);
344 printf ("%ld blocks written: %s\n",
345 n
, (n
==cnt
) ? "OK" : "ERROR");
352 printf ("Usage:\n%s\n", cmdtp
->usage
);
360 int do_diskboot (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
362 char *boot_device
= NULL
;
366 disk_partition_t info
;
369 #if defined(CONFIG_FIT)
373 show_boot_progress (41);
376 addr
= CFG_LOAD_ADDR
;
377 boot_device
= getenv ("bootdevice");
380 addr
= simple_strtoul(argv
[1], NULL
, 16);
381 boot_device
= getenv ("bootdevice");
384 addr
= simple_strtoul(argv
[1], NULL
, 16);
385 boot_device
= argv
[2];
388 printf ("Usage:\n%s\n", cmdtp
->usage
);
389 show_boot_progress (-42);
392 show_boot_progress (42);
395 puts ("\n** No boot device **\n");
396 show_boot_progress (-43);
399 show_boot_progress (43);
401 dev
= simple_strtoul(boot_device
, &ep
, 16);
403 if (ide_dev_desc
[dev
].type
==DEV_TYPE_UNKNOWN
) {
404 printf ("\n** Device %d not available\n", dev
);
405 show_boot_progress (-44);
408 show_boot_progress (44);
412 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
413 show_boot_progress (-45);
416 part
= simple_strtoul(++ep
, NULL
, 16);
418 show_boot_progress (45);
419 if (get_partition_info (&ide_dev_desc
[dev
], part
, &info
)) {
420 show_boot_progress (-46);
423 show_boot_progress (46);
424 if ((strncmp((char *)info
.type
, BOOT_PART_TYPE
, sizeof(info
.type
)) != 0) &&
425 (strncmp((char *)info
.type
, BOOT_PART_COMP
, sizeof(info
.type
)) != 0)) {
426 printf ("\n** Invalid partition type \"%.32s\""
427 " (expect \"" BOOT_PART_TYPE
"\")\n",
429 show_boot_progress (-47);
432 show_boot_progress (47);
434 printf ("\nLoading from IDE device %d, partition %d: "
435 "Name: %.32s Type: %.32s\n",
436 dev
, part
, info
.name
, info
.type
);
438 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
439 info
.start
, info
.size
, info
.blksz
);
441 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
, 1, (ulong
*)addr
) != 1) {
442 printf ("** Read error on %d:%d\n", dev
, part
);
443 show_boot_progress (-48);
446 show_boot_progress (48);
448 switch (genimg_get_format ((void *)addr
)) {
449 case IMAGE_FORMAT_LEGACY
:
450 hdr
= (image_header_t
*)addr
;
452 show_boot_progress (49);
454 if (!image_check_hcrc (hdr
)) {
455 puts ("\n** Bad Header Checksum **\n");
456 show_boot_progress (-50);
459 show_boot_progress (50);
461 image_print_contents (hdr
);
463 cnt
= image_get_image_size (hdr
);
465 #if defined(CONFIG_FIT)
466 case IMAGE_FORMAT_FIT
:
467 fit_hdr
= (const void *)addr
;
468 if (!fit_check_format (fit_hdr
)) {
469 show_boot_progress (-140);
470 puts ("** Bad FIT image format\n");
473 show_boot_progress (141);
474 puts ("Fit image detected...\n");
476 cnt
= fit_get_size (fit_hdr
);
480 show_boot_progress (-49);
481 puts ("** Unknown image type\n");
485 cnt
+= info
.blksz
- 1;
489 if (ide_dev_desc
[dev
].block_read (dev
, info
.start
+1, cnt
,
490 (ulong
*)(addr
+info
.blksz
)) != cnt
) {
491 printf ("** Read error on %d:%d\n", dev
, part
);
492 show_boot_progress (-51);
495 show_boot_progress (51);
497 #if defined(CONFIG_FIT)
498 /* This cannot be done earlier, we need complete FIT image in RAM first */
499 if (genimg_get_format ((void *)addr
) == IMAGE_FORMAT_FIT
)
500 fit_print_contents ((const void *)addr
);
503 /* Loading ok, update default load address */
507 /* Check if we should attempt an auto-start */
508 if (((ep
= getenv("autostart")) != NULL
) && (strcmp(ep
,"yes") == 0)) {
510 extern int do_bootm (cmd_tbl_t
*, int, int, char *[]);
512 local_args
[0] = argv
[0];
513 local_args
[1] = NULL
;
515 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr
);
517 do_bootm (cmdtp
, 0, 1, local_args
);
523 /* ------------------------------------------------------------------------- */
528 #ifdef CONFIG_IDE_8xx_DIRECT
529 volatile immap_t
*immr
= (immap_t
*)CFG_IMMR
;
530 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
534 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
535 unsigned int ata_reset_time
= ATA_RESET_TIME
;
538 #ifdef CONFIG_AMIGAONEG3SE
539 unsigned int max_bus_scan
;
541 #ifdef CONFIG_IDE_8xx_PCCARD
542 extern int pcmcia_on (void);
543 extern int ide_devices_found
; /* Initialized in check_ide_device() */
544 #endif /* CONFIG_IDE_8xx_PCCARD */
546 #ifdef CONFIG_IDE_PREINIT
547 extern int ide_preinit (void);
550 if (ide_preinit ()) {
551 puts ("ide_preinit failed\n");
554 #endif /* CONFIG_IDE_PREINIT */
556 #ifdef CONFIG_IDE_8xx_PCCARD
557 extern int pcmcia_on (void);
558 extern int ide_devices_found
; /* Initialized in check_ide_device() */
562 ide_devices_found
= 0;
563 /* initialize the PCMCIA IDE adapter card */
565 if (!ide_devices_found
)
567 udelay (1000000); /* 1 s */
568 #endif /* CONFIG_IDE_8xx_PCCARD */
572 #ifdef CONFIG_IDE_8xx_DIRECT
573 /* Initialize PIO timing tables */
574 for (i
=0; i
<= IDE_MAX_PIO_MODE
; ++i
) {
575 pio_config_clk
[i
].t_setup
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_setup
,
577 pio_config_clk
[i
].t_length
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_length
,
579 pio_config_clk
[i
].t_hold
= PCMCIA_MK_CLKS(pio_config_ns
[i
].t_hold
,
581 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
583 " hold=%2d ns/%d clk\n",
585 pio_config_ns
[i
].t_setup
, pio_config_clk
[i
].t_setup
,
586 pio_config_ns
[i
].t_length
, pio_config_clk
[i
].t_length
,
587 pio_config_ns
[i
].t_hold
, pio_config_clk
[i
].t_hold
);
589 #endif /* CONFIG_IDE_8xx_DIRECT */
591 /* Reset the IDE just to be sure.
592 * Light LED's to show
594 ide_led ((LED_IDE1
| LED_IDE2
), 1); /* LED's on */
595 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
597 #ifdef CONFIG_IDE_8xx_DIRECT
598 /* PCMCIA / IDE initialization for common mem space */
599 pcmp
->pcmc_pgcrb
= 0;
601 /* start in PIO mode 0 - most relaxed timings */
603 set_pcmcia_timing (pio_mode
);
604 #endif /* CONFIG_IDE_8xx_DIRECT */
607 * Wait for IDE to get ready.
608 * According to spec, this can take up to 31 seconds!
610 #ifndef CONFIG_AMIGAONEG3SE
611 for (bus
=0; bus
<CFG_IDE_MAXBUS
; ++bus
) {
612 int dev
= bus
* (CFG_IDE_MAXDEVICE
/ CFG_IDE_MAXBUS
);
614 s
= getenv("ide_maxbus");
616 max_bus_scan
= simple_strtol(s
, NULL
, 10);
618 max_bus_scan
= CFG_IDE_MAXBUS
;
620 for (bus
=0; bus
<max_bus_scan
; ++bus
) {
621 int dev
= bus
* (CFG_IDE_MAXDEVICE
/ max_bus_scan
);
624 #ifdef CONFIG_IDE_8xx_PCCARD
625 /* Skip non-ide devices from probing */
626 if ((ide_devices_found
& (1 << bus
)) == 0) {
627 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
631 printf ("Bus %d: ", bus
);
637 udelay (100000); /* 100 ms */
638 ide_outb (dev
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(dev
));
639 udelay (100000); /* 100 ms */
640 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
641 if ((s
= getenv("ide_reset_timeout")) != NULL
)
642 ata_reset_time
= simple_strtol(s
, NULL
, 10);
646 udelay (10000); /* 10 ms */
648 c
= ide_inb (dev
, ATA_STATUS
);
650 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
651 if (i
> (ata_reset_time
* 100)) {
653 if (i
> (ATA_RESET_TIME
* 100)) {
655 puts ("** Timeout **\n");
656 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
657 #ifdef CONFIG_AMIGAONEG3SE
658 /* If this is the second bus, the first one was OK */
666 if ((i
>= 100) && ((i
%100)==0)) {
669 } while (c
& ATA_STAT_BUSY
);
671 if (c
& (ATA_STAT_BUSY
| ATA_STAT_FAULT
)) {
672 puts ("not available ");
673 debug ("Status = 0x%02X ", c
);
674 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
675 } else if ((c
& ATA_STAT_READY
) == 0) {
676 puts ("not available ");
677 debug ("Status = 0x%02X ", c
);
686 #ifdef CONFIG_AMIGAONEG3SE
691 ide_led ((LED_IDE1
| LED_IDE2
), 0); /* LED's off */
694 for (i
=0; i
<CFG_IDE_MAXDEVICE
; ++i
) {
695 #ifdef CONFIG_IDE_LED
696 int led
= (IDE_BUS(i
) == 0) ? LED_IDE1
: LED_IDE2
;
698 ide_dev_desc
[i
].type
=DEV_TYPE_UNKNOWN
;
699 ide_dev_desc
[i
].if_type
=IF_TYPE_IDE
;
700 ide_dev_desc
[i
].dev
=i
;
701 ide_dev_desc
[i
].part_type
=PART_TYPE_UNKNOWN
;
702 ide_dev_desc
[i
].blksz
=0;
703 ide_dev_desc
[i
].lba
=0;
704 ide_dev_desc
[i
].block_read
=ide_read
;
705 if (!ide_bus_ok
[IDE_BUS(i
)])
707 ide_led (led
, 1); /* LED on */
708 ide_ident(&ide_dev_desc
[i
]);
709 ide_led (led
, 0); /* LED off */
710 dev_print(&ide_dev_desc
[i
]);
712 if ((ide_dev_desc
[i
].lba
> 0) && (ide_dev_desc
[i
].blksz
> 0)) {
713 init_part (&ide_dev_desc
[i
]); /* initialize partition type */
721 /* ------------------------------------------------------------------------- */
723 block_dev_desc_t
* ide_get_dev(int dev
)
725 return (dev
< CFG_IDE_MAXDEVICE
) ? &ide_dev_desc
[dev
] : NULL
;
729 #ifdef CONFIG_IDE_8xx_DIRECT
732 set_pcmcia_timing (int pmode
)
734 volatile immap_t
*immr
= (immap_t
*)CFG_IMMR
;
735 volatile pcmconf8xx_t
*pcmp
= &(immr
->im_pcmcia
);
738 debug ("Set timing for PIO Mode %d\n", pmode
);
740 timings
= PCMCIA_SHT(pio_config_clk
[pmode
].t_hold
)
741 | PCMCIA_SST(pio_config_clk
[pmode
].t_setup
)
742 | PCMCIA_SL (pio_config_clk
[pmode
].t_length
)
747 pcmp
->pcmc_pbr0
= CFG_PCMCIA_PBR0
;
748 pcmp
->pcmc_por0
= CFG_PCMCIA_POR0
749 #if (CFG_PCMCIA_POR0 != 0)
753 debug ("PBR0: %08x POR0: %08x\n", pcmp
->pcmc_pbr0
, pcmp
->pcmc_por0
);
755 pcmp
->pcmc_pbr1
= CFG_PCMCIA_PBR1
;
756 pcmp
->pcmc_por1
= CFG_PCMCIA_POR1
757 #if (CFG_PCMCIA_POR1 != 0)
761 debug ("PBR1: %08x POR1: %08x\n", pcmp
->pcmc_pbr1
, pcmp
->pcmc_por1
);
763 pcmp
->pcmc_pbr2
= CFG_PCMCIA_PBR2
;
764 pcmp
->pcmc_por2
= CFG_PCMCIA_POR2
765 #if (CFG_PCMCIA_POR2 != 0)
769 debug ("PBR2: %08x POR2: %08x\n", pcmp
->pcmc_pbr2
, pcmp
->pcmc_por2
);
771 pcmp
->pcmc_pbr3
= CFG_PCMCIA_PBR3
;
772 pcmp
->pcmc_por3
= CFG_PCMCIA_POR3
773 #if (CFG_PCMCIA_POR3 != 0)
777 debug ("PBR3: %08x POR3: %08x\n", pcmp
->pcmc_pbr3
, pcmp
->pcmc_por3
);
781 pcmp
->pcmc_pbr4
= CFG_PCMCIA_PBR4
;
782 pcmp
->pcmc_por4
= CFG_PCMCIA_POR4
783 #if (CFG_PCMCIA_POR4 != 0)
787 debug ("PBR4: %08x POR4: %08x\n", pcmp
->pcmc_pbr4
, pcmp
->pcmc_por4
);
789 pcmp
->pcmc_pbr5
= CFG_PCMCIA_PBR5
;
790 pcmp
->pcmc_por5
= CFG_PCMCIA_POR5
791 #if (CFG_PCMCIA_POR5 != 0)
795 debug ("PBR5: %08x POR5: %08x\n", pcmp
->pcmc_pbr5
, pcmp
->pcmc_por5
);
797 pcmp
->pcmc_pbr6
= CFG_PCMCIA_PBR6
;
798 pcmp
->pcmc_por6
= CFG_PCMCIA_POR6
799 #if (CFG_PCMCIA_POR6 != 0)
803 debug ("PBR6: %08x POR6: %08x\n", pcmp
->pcmc_pbr6
, pcmp
->pcmc_por6
);
805 pcmp
->pcmc_pbr7
= CFG_PCMCIA_PBR7
;
806 pcmp
->pcmc_por7
= CFG_PCMCIA_POR7
807 #if (CFG_PCMCIA_POR7 != 0)
811 debug ("PBR7: %08x POR7: %08x\n", pcmp
->pcmc_pbr7
, pcmp
->pcmc_por7
);
815 #endif /* CONFIG_IDE_8xx_DIRECT */
817 /* ------------------------------------------------------------------------- */
820 __ide_outb(int dev
, int port
, unsigned char val
)
822 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
823 dev
, port
, val
, (ATA_CURR_BASE(dev
)+CFG_ATA_PORT_ADDR(port
)));
824 outb(val
, (ATA_CURR_BASE(dev
)+CFG_ATA_PORT_ADDR(port
)));
826 void inline ide_outb (int dev
, int port
, unsigned char val
)
827 __attribute__((weak
, alias("__ide_outb")));
830 __ide_inb(int dev
, int port
)
833 val
= inb((ATA_CURR_BASE(dev
)+CFG_ATA_PORT_ADDR(port
)));
834 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
835 dev
, port
, (ATA_CURR_BASE(dev
)+CFG_ATA_PORT_ADDR(port
)), val
);
838 unsigned char inline ide_inb(int dev
, int port
)
839 __attribute__((weak
, alias("__ide_inb")));
842 # ifdef CONFIG_AMIGAONEG3SE
844 output_data_short(int dev
, ulong
*sect_buf
, int words
)
847 volatile ushort
*pbuf
;
849 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
850 dbuf
= (ushort
*)sect_buf
;
860 # endif /* CONFIG_AMIGAONEG3SE */
863 /* We only need to swap data if we are running on a big endian cpu. */
864 /* But Au1x00 cpu:s already swaps data in big endian mode! */
865 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
866 #define input_swap_data(x,y,z) input_data(x,y,z)
869 input_swap_data(int dev
, ulong
*sect_buf
, int words
)
871 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
873 volatile uchar
*pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
874 volatile uchar
*pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
875 ushort
*dbuf
= (ushort
*)sect_buf
;
878 for (i
=0; i
<2; i
++) {
879 *(((uchar
*)(dbuf
)) + 1) = *pbuf_even
;
880 *(uchar
*)dbuf
= *pbuf_odd
;
885 volatile ushort
*pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
886 ushort
*dbuf
= (ushort
*)sect_buf
;
888 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf
);
892 *dbuf
++ = swab16p((u16
*)pbuf
);
893 *dbuf
++ = swab16p((u16
*)pbuf
);
894 #elif defined(CONFIG_PCS440EP)
898 *dbuf
++ = ld_le16(pbuf
);
899 *dbuf
++ = ld_le16(pbuf
);
904 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
907 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
909 output_data(int dev
, ulong
*sect_buf
, int words
)
911 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
913 volatile uchar
*pbuf_even
;
914 volatile uchar
*pbuf_odd
;
916 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
917 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
918 dbuf
= (uchar
*)sect_buf
;
921 *pbuf_even
= *dbuf
++;
925 *pbuf_even
= *dbuf
++;
931 volatile ushort
*pbuf
;
933 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
934 dbuf
= (ushort
*)sect_buf
;
936 #if defined(CONFIG_PCS440EP)
937 /* not tested, because CF was write protected */
939 *pbuf
= ld_le16(dbuf
++);
941 *pbuf
= ld_le16(dbuf
++);
951 #else /* ! __PPC__ */
953 output_data(int dev
, ulong
*sect_buf
, int words
)
955 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<<1);
959 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
961 input_data(int dev
, ulong
*sect_buf
, int words
)
963 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
965 volatile uchar
*pbuf_even
;
966 volatile uchar
*pbuf_odd
;
968 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
969 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
970 dbuf
= (uchar
*)sect_buf
;
972 *dbuf
++ = *pbuf_even
;
978 *dbuf
++ = *pbuf_even
;
987 volatile ushort
*pbuf
;
989 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
990 dbuf
= (ushort
*)sect_buf
;
992 debug("in input data base for read is %lx\n", (unsigned long) pbuf
);
995 #if defined(CONFIG_PCS440EP)
997 *dbuf
++ = ld_le16(pbuf
);
999 *dbuf
++ = ld_le16(pbuf
);
1009 #else /* ! __PPC__ */
1011 input_data(int dev
, ulong
*sect_buf
, int words
)
1013 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, words
<< 1);
1016 #endif /* __PPC__ */
1018 #ifdef CONFIG_AMIGAONEG3SE
1020 input_data_short(int dev
, ulong
*sect_buf
, int words
)
1023 volatile ushort
*pbuf
;
1025 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1026 dbuf
= (ushort
*)sect_buf
;
1040 /* -------------------------------------------------------------------------
1042 static void ide_ident (block_dev_desc_t
*dev_desc
)
1044 ulong iobuf
[ATA_SECTORWORDS
];
1046 hd_driveid_t
*iop
= (hd_driveid_t
*)iobuf
;
1048 #ifdef CONFIG_AMIGAONEG3SE
1058 int mode
, cycle_time
;
1061 device
=dev_desc
->dev
;
1062 printf (" Device %d: ", device
);
1064 #ifdef CONFIG_AMIGAONEG3SE
1065 s
= getenv("ide_maxbus");
1067 max_bus_scan
= simple_strtol(s
, NULL
, 10);
1069 max_bus_scan
= CFG_IDE_MAXBUS
;
1071 if (device
>= max_bus_scan
*2) {
1072 dev_desc
->type
=DEV_TYPE_UNKNOWN
;
1077 ide_led (DEVICE_LED(device
), 1); /* LED on */
1080 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1081 dev_desc
->if_type
=IF_TYPE_IDE
;
1087 /* Warning: This will be tricky to read */
1088 while (retries
<= 1) {
1089 /* check signature */
1090 if ((ide_inb(device
,ATA_SECT_CNT
) == 0x01) &&
1091 (ide_inb(device
,ATA_SECT_NUM
) == 0x01) &&
1092 (ide_inb(device
,ATA_CYL_LOW
) == 0x14) &&
1093 (ide_inb(device
,ATA_CYL_HIGH
) == 0xEB)) {
1094 /* ATAPI Signature found */
1095 dev_desc
->if_type
=IF_TYPE_ATAPI
;
1096 /* Start Ident Command
1098 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_IDENT
);
1100 * Wait for completion - ATAPI devices need more time
1103 c
= ide_wait (device
, ATAPI_TIME_OUT
);
1107 /* Start Ident Command
1109 ide_outb (device
, ATA_COMMAND
, ATA_CMD_IDENT
);
1111 /* Wait for completion
1113 c
= ide_wait (device
, IDE_TIME_OUT
);
1115 ide_led (DEVICE_LED(device
), 0); /* LED off */
1117 if (((c
& ATA_STAT_DRQ
) == 0) ||
1118 ((c
& (ATA_STAT_FAULT
|ATA_STAT_ERR
)) != 0) ) {
1120 #ifdef CONFIG_AMIGAONEG3SE
1121 s
= getenv("ide_doreset");
1122 if (s
&& strcmp(s
, "on") == 0)
1125 /* Need to soft reset the device in case it's an ATAPI... */
1126 debug ("Retrying...\n");
1127 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1129 ide_outb (device
, ATA_COMMAND
, 0x08);
1130 udelay (500000); /* 500 ms */
1134 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1143 } /* see above - ugly to read */
1145 if (retries
== 2) /* Not found */
1149 input_swap_data (device
, iobuf
, ATA_SECTORWORDS
);
1151 ident_cpy ((unsigned char*)dev_desc
->revision
, iop
->fw_rev
, sizeof(dev_desc
->revision
));
1152 ident_cpy ((unsigned char*)dev_desc
->vendor
, iop
->model
, sizeof(dev_desc
->vendor
));
1153 ident_cpy ((unsigned char*)dev_desc
->product
, iop
->serial_no
, sizeof(dev_desc
->product
));
1154 #ifdef __LITTLE_ENDIAN
1156 * firmware revision and model number have Big Endian Byte
1157 * order in Word. Convert both to little endian.
1159 * See CF+ and CompactFlash Specification Revision 2.0:
1160 * 6.2.1.6: Identfy Drive, Table 39 for more details
1163 strswab (dev_desc
->revision
);
1164 strswab (dev_desc
->vendor
);
1165 #endif /* __LITTLE_ENDIAN */
1167 if ((iop
->config
& 0x0080)==0x0080)
1168 dev_desc
->removable
= 1;
1170 dev_desc
->removable
= 0;
1174 * Drive PIO mode autoselection
1178 printf ("tPIO = 0x%02x = %d\n",mode
, mode
);
1179 if (mode
> 2) { /* 2 is maximum allowed tPIO value */
1181 debug ("Override tPIO -> 2\n");
1183 if (iop
->field_valid
& 2) { /* drive implements ATA2? */
1184 debug ("Drive implements ATA2\n");
1185 if (iop
->capability
& 8) { /* drive supports use_iordy? */
1186 cycle_time
= iop
->eide_pio_iordy
;
1188 cycle_time
= iop
->eide_pio
;
1190 debug ("cycle time = %d\n", cycle_time
);
1192 if (cycle_time
> 120) mode
= 3; /* 120 ns for PIO mode 4 */
1193 if (cycle_time
> 180) mode
= 2; /* 180 ns for PIO mode 3 */
1194 if (cycle_time
> 240) mode
= 1; /* 240 ns for PIO mode 4 */
1195 if (cycle_time
> 383) mode
= 0; /* 383 ns for PIO mode 4 */
1197 printf ("PIO mode to use: PIO %d\n", mode
);
1201 if (dev_desc
->if_type
==IF_TYPE_ATAPI
) {
1202 atapi_inquiry(dev_desc
);
1205 #endif /* CONFIG_ATAPI */
1209 dev_desc
->lba
= (iop
->lba_capacity
<< 16) | (iop
->lba_capacity
>> 16);
1210 #else /* ! __BIG_ENDIAN */
1212 * do not swap shorts on little endian
1214 * See CF+ and CompactFlash Specification Revision 2.0:
1215 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1217 dev_desc
->lba
= iop
->lba_capacity
;
1218 #endif /* __BIG_ENDIAN */
1221 if (iop
->command_set_2
& 0x0400) { /* LBA 48 support */
1222 dev_desc
->lba48
= 1;
1223 dev_desc
->lba
= (unsigned long long)iop
->lba48_capacity
[0] |
1224 ((unsigned long long)iop
->lba48_capacity
[1] << 16) |
1225 ((unsigned long long)iop
->lba48_capacity
[2] << 32) |
1226 ((unsigned long long)iop
->lba48_capacity
[3] << 48);
1228 dev_desc
->lba48
= 0;
1230 #endif /* CONFIG_LBA48 */
1232 dev_desc
->type
=DEV_TYPE_HARDDISK
;
1233 dev_desc
->blksz
=ATA_BLOCKSIZE
;
1234 dev_desc
->lun
=0; /* just to fill something in... */
1236 #if 0 /* only used to test the powersaving mode,
1237 * if enabled, the drive goes after 5 sec
1238 * in standby mode */
1239 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1240 c
= ide_wait (device
, IDE_TIME_OUT
);
1241 ide_outb (device
, ATA_SECT_CNT
, 1);
1242 ide_outb (device
, ATA_LBA_LOW
, 0);
1243 ide_outb (device
, ATA_LBA_MID
, 0);
1244 ide_outb (device
, ATA_LBA_HIGH
, 0);
1245 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1246 ide_outb (device
, ATA_COMMAND
, 0xe3);
1248 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1253 /* ------------------------------------------------------------------------- */
1255 ulong
ide_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1259 unsigned char pwrsave
=0; /* power save */
1261 unsigned char lba48
= 0;
1263 if (blknr
& 0x0000fffff0000000ULL
) {
1264 /* more than 28 bits used, use 48bit mode */
1268 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1269 device
, blknr
, blkcnt
, (ulong
)buffer
);
1271 ide_led (DEVICE_LED(device
), 1); /* LED on */
1275 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1276 c
= ide_wait (device
, IDE_TIME_OUT
);
1278 if (c
& ATA_STAT_BUSY
) {
1279 printf ("IDE read: device %d not ready\n", device
);
1283 /* first check if the drive is in Powersaving mode, if yes,
1284 * increase the timeout value */
1285 ide_outb (device
, ATA_COMMAND
, ATA_CMD_CHK_PWR
);
1288 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1290 if (c
& ATA_STAT_BUSY
) {
1291 printf ("IDE read: device %d not ready\n", device
);
1294 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1295 printf ("No Powersaving mode %X\n", c
);
1297 c
= ide_inb(device
,ATA_SECT_CNT
);
1298 debug ("Powersaving %02X\n",c
);
1304 while (blkcnt
-- > 0) {
1306 c
= ide_wait (device
, IDE_TIME_OUT
);
1308 if (c
& ATA_STAT_BUSY
) {
1309 printf ("IDE read: device %d not ready\n", device
);
1314 /* write high bits */
1315 ide_outb (device
, ATA_SECT_CNT
, 0);
1316 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1317 #ifdef CFG_64BIT_LBA
1318 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1319 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1321 ide_outb (device
, ATA_LBA_MID
, 0);
1322 ide_outb (device
, ATA_LBA_HIGH
, 0);
1326 ide_outb (device
, ATA_SECT_CNT
, 1);
1327 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1328 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1329 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1333 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1334 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ_EXT
);
1339 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1340 ATA_DEVICE(device
) |
1341 ((blknr
>> 24) & 0xF) );
1342 ide_outb (device
, ATA_COMMAND
, ATA_CMD_READ
);
1348 c
= ide_wait (device
, IDE_SPIN_UP_TIME_OUT
); /* may take up to 4 sec */
1351 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1354 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1355 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1356 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1359 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1360 device
, (ulong
)blknr
, c
);
1365 input_data (device
, buffer
, ATA_SECTORWORDS
);
1366 (void) ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1370 buffer
+= ATA_BLOCKSIZE
;
1373 ide_led (DEVICE_LED(device
), 0); /* LED off */
1377 /* ------------------------------------------------------------------------- */
1380 ulong
ide_write (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
1385 unsigned char lba48
= 0;
1387 if (blknr
& 0x0000fffff0000000ULL
) {
1388 /* more than 28 bits used, use 48bit mode */
1393 ide_led (DEVICE_LED(device
), 1); /* LED on */
1397 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1399 while (blkcnt
-- > 0) {
1401 c
= ide_wait (device
, IDE_TIME_OUT
);
1403 if (c
& ATA_STAT_BUSY
) {
1404 printf ("IDE read: device %d not ready\n", device
);
1409 /* write high bits */
1410 ide_outb (device
, ATA_SECT_CNT
, 0);
1411 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 24) & 0xFF);
1412 #ifdef CFG_64BIT_LBA
1413 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 32) & 0xFF);
1414 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 40) & 0xFF);
1416 ide_outb (device
, ATA_LBA_MID
, 0);
1417 ide_outb (device
, ATA_LBA_HIGH
, 0);
1421 ide_outb (device
, ATA_SECT_CNT
, 1);
1422 ide_outb (device
, ATA_LBA_LOW
, (blknr
>> 0) & 0xFF);
1423 ide_outb (device
, ATA_LBA_MID
, (blknr
>> 8) & 0xFF);
1424 ide_outb (device
, ATA_LBA_HIGH
, (blknr
>> 16) & 0xFF);
1428 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
) );
1429 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE_EXT
);
1434 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
|
1435 ATA_DEVICE(device
) |
1436 ((blknr
>> 24) & 0xF) );
1437 ide_outb (device
, ATA_COMMAND
, ATA_CMD_WRITE
);
1442 c
= ide_wait (device
, IDE_TIME_OUT
); /* can't take over 500 ms */
1444 if ((c
&(ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
)) != ATA_STAT_DRQ
) {
1445 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1446 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1449 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1450 device
, (ulong
)blknr
, c
);
1455 output_data (device
, buffer
, ATA_SECTORWORDS
);
1456 c
= ide_inb (device
, ATA_STATUS
); /* clear IRQ */
1459 buffer
+= ATA_BLOCKSIZE
;
1462 ide_led (DEVICE_LED(device
), 0); /* LED off */
1466 /* ------------------------------------------------------------------------- */
1469 * copy src to dest, skipping leading and trailing blanks and null
1470 * terminate the string
1471 * "len" is the size of available memory including the terminating '\0'
1473 static void ident_cpy (unsigned char *dst
, unsigned char *src
, unsigned int len
)
1475 unsigned char *end
, *last
;
1478 end
= src
+ len
- 1;
1480 /* reserve space for '\0' */
1484 /* skip leading white space */
1485 while ((*src
) && (src
<end
) && (*src
==' '))
1488 /* copy string, omitting trailing white space */
1489 while ((*src
) && (src
<end
)) {
1498 /* ------------------------------------------------------------------------- */
1501 * Wait until Busy bit is off, or timeout (in ms)
1502 * Return last status
1504 static uchar
ide_wait (int dev
, ulong t
)
1506 ulong delay
= 10 * t
; /* poll every 100 us */
1509 while ((c
= ide_inb(dev
, ATA_STATUS
)) & ATA_STAT_BUSY
) {
1518 /* ------------------------------------------------------------------------- */
1520 #ifdef CONFIG_IDE_RESET
1521 extern void ide_set_reset(int idereset
);
1523 static void ide_reset (void)
1525 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1526 volatile immap_t
*immr
= (immap_t
*)CFG_IMMR
;
1531 for (i
=0; i
<CFG_IDE_MAXBUS
; ++i
)
1533 for (i
=0; i
<CFG_IDE_MAXDEVICE
; ++i
)
1534 ide_dev_desc
[i
].type
= DEV_TYPE_UNKNOWN
;
1536 ide_set_reset (1); /* assert reset */
1538 /* the reset signal shall be asserted for et least 25 us */
1543 #ifdef CFG_PB_12V_ENABLE
1544 immr
->im_cpm
.cp_pbdat
&= ~(CFG_PB_12V_ENABLE
); /* 12V Enable output OFF */
1545 immr
->im_cpm
.cp_pbpar
&= ~(CFG_PB_12V_ENABLE
);
1546 immr
->im_cpm
.cp_pbodr
&= ~(CFG_PB_12V_ENABLE
);
1547 immr
->im_cpm
.cp_pbdir
|= CFG_PB_12V_ENABLE
;
1549 /* wait 500 ms for the voltage to stabilize
1551 for (i
=0; i
<500; ++i
) {
1555 immr
->im_cpm
.cp_pbdat
|= CFG_PB_12V_ENABLE
; /* 12V Enable output ON */
1556 #endif /* CFG_PB_12V_ENABLE */
1558 #ifdef CFG_PB_IDE_MOTOR
1559 /* configure IDE Motor voltage monitor pin as input */
1560 immr
->im_cpm
.cp_pbpar
&= ~(CFG_PB_IDE_MOTOR
);
1561 immr
->im_cpm
.cp_pbodr
&= ~(CFG_PB_IDE_MOTOR
);
1562 immr
->im_cpm
.cp_pbdir
&= ~(CFG_PB_IDE_MOTOR
);
1564 /* wait up to 1 s for the motor voltage to stabilize
1566 for (i
=0; i
<1000; ++i
) {
1567 if ((immr
->im_cpm
.cp_pbdat
& CFG_PB_IDE_MOTOR
) != 0) {
1573 if (i
== 1000) { /* Timeout */
1574 printf ("\nWarning: 5V for IDE Motor missing\n");
1575 # ifdef CONFIG_STATUS_LED
1576 # ifdef STATUS_LED_YELLOW
1577 status_led_set (STATUS_LED_YELLOW
, STATUS_LED_ON
);
1579 # ifdef STATUS_LED_GREEN
1580 status_led_set (STATUS_LED_GREEN
, STATUS_LED_OFF
);
1582 # endif /* CONFIG_STATUS_LED */
1584 #endif /* CFG_PB_IDE_MOTOR */
1588 /* de-assert RESET signal */
1592 for (i
=0; i
<250; ++i
) {
1597 #endif /* CONFIG_IDE_RESET */
1599 /* ------------------------------------------------------------------------- */
1601 #if defined(CONFIG_IDE_LED) && \
1602 !defined(CONFIG_AMIGAONEG3SE)&& \
1603 !defined(CONFIG_CPC45) && \
1604 !defined(CONFIG_HMI10) && \
1605 !defined(CONFIG_KUP4K) && \
1606 !defined(CONFIG_KUP4X)
1608 static uchar led_buffer
= 0; /* Buffer for current LED status */
1610 static void ide_led (uchar led
, uchar status
)
1612 uchar
*led_port
= LED_PORT
;
1614 if (status
) { /* switch LED on */
1616 } else { /* switch LED off */
1620 *led_port
= led_buffer
;
1623 #endif /* CONFIG_IDE_LED */
1625 /* ------------------------------------------------------------------------- */
1628 /****************************************************************************
1632 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1633 /* since ATAPI may use commands with not 4 bytes alligned length
1634 * we have our own transfer functions, 2 bytes alligned */
1636 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1638 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1640 volatile uchar
*pbuf_even
;
1641 volatile uchar
*pbuf_odd
;
1643 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1644 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1647 *pbuf_even
= *dbuf
++;
1649 *pbuf_odd
= *dbuf
++;
1653 volatile ushort
*pbuf
;
1655 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1656 dbuf
= (ushort
*)sect_buf
;
1658 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf
);
1668 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1670 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1672 volatile uchar
*pbuf_even
;
1673 volatile uchar
*pbuf_odd
;
1675 pbuf_even
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_EVEN
);
1676 pbuf_odd
= (uchar
*)(ATA_CURR_BASE(dev
)+ATA_DATA_ODD
);
1679 *dbuf
++ = *pbuf_even
;
1681 *dbuf
++ = *pbuf_odd
;
1685 volatile ushort
*pbuf
;
1687 pbuf
= (ushort
*)(ATA_CURR_BASE(dev
)+ATA_DATA_REG
);
1688 dbuf
= (ushort
*)sect_buf
;
1690 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf
);
1699 #else /* ! __PPC__ */
1701 output_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1703 outsw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1707 input_data_shorts(int dev
, ushort
*sect_buf
, int shorts
)
1709 insw(ATA_CURR_BASE(dev
)+ATA_DATA_REG
, sect_buf
, shorts
);
1712 #endif /* __PPC__ */
1715 * Wait until (Status & mask) == res, or timeout (in ms)
1716 * Return last status
1717 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1718 * and then they set their DRQ Bit
1720 static uchar
atapi_wait_mask (int dev
, ulong t
,uchar mask
, uchar res
)
1722 ulong delay
= 10 * t
; /* poll every 100 us */
1725 c
= ide_inb(dev
,ATA_DEV_CTL
); /* prevents to read the status before valid */
1726 while (((c
= ide_inb(dev
, ATA_STATUS
)) & mask
) != res
) {
1727 /* break if error occurs (doesn't make sense to wait more) */
1728 if((c
& ATA_STAT_ERR
)==ATA_STAT_ERR
)
1739 * issue an atapi command
1741 unsigned char atapi_issue(int device
,unsigned char* ccb
,int ccblen
, unsigned char * buffer
,int buflen
)
1743 unsigned char c
,err
,mask
,res
;
1745 ide_led (DEVICE_LED(device
), 1); /* LED on */
1749 mask
= ATA_STAT_BUSY
|ATA_STAT_DRQ
;
1751 #ifdef CONFIG_AMIGAONEG3SE
1752 # warning THF: Removed LBA mode ???
1754 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1755 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1756 if ((c
& mask
) != res
) {
1757 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device
,c
);
1761 /* write taskfile */
1762 ide_outb (device
, ATA_ERROR_REG
, 0); /* no DMA, no overlaped */
1763 ide_outb (device
, ATA_SECT_CNT
, 0);
1764 ide_outb (device
, ATA_SECT_NUM
, 0);
1765 ide_outb (device
, ATA_CYL_LOW
, (unsigned char)(buflen
& 0xFF));
1766 ide_outb (device
, ATA_CYL_HIGH
, (unsigned char)((buflen
>>8) & 0xFF));
1767 #ifdef CONFIG_AMIGAONEG3SE
1768 # warning THF: Removed LBA mode ???
1770 ide_outb (device
, ATA_DEV_HD
, ATA_LBA
| ATA_DEVICE(device
));
1772 ide_outb (device
, ATA_COMMAND
, ATAPI_CMD_PACKET
);
1775 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1777 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1779 if ((c
& mask
) != res
) { /* DRQ must be 1, BSY 0 */
1780 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device
,c
);
1785 output_data_shorts (device
, (unsigned short *)ccb
,ccblen
/2); /* write command block */
1786 /* ATAPI Command written wait for completition */
1787 udelay (5000); /* device must set bsy */
1789 mask
= ATA_STAT_DRQ
|ATA_STAT_BUSY
|ATA_STAT_ERR
;
1790 /* if no data wait for DRQ = 0 BSY = 0
1791 * if data wait for DRQ = 1 BSY = 0 */
1795 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1796 if ((c
& mask
) != res
) {
1797 if (c
& ATA_STAT_ERR
) {
1798 err
=(ide_inb(device
,ATA_ERROR_REG
))>>4;
1799 debug ("atapi_issue 1 returned sense key %X status %02X\n",err
,c
);
1801 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb
[0],c
);
1806 n
=ide_inb(device
, ATA_CYL_HIGH
);
1808 n
+=ide_inb(device
, ATA_CYL_LOW
);
1810 printf("ERROR, transfer bytes %d requested only %d\n",n
,buflen
);
1814 if((n
==0)&&(buflen
<0)) {
1815 printf("ERROR, transfer bytes %d requested %d\n",n
,buflen
);
1820 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n
,buflen
);
1822 if(n
!=0) { /* data transfer */
1823 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n
);
1824 /* we transfer shorts */
1826 /* ok now decide if it is an in or output */
1827 if ((ide_inb(device
, ATA_SECT_CNT
)&0x02)==0) {
1828 debug ("Write to device\n");
1829 output_data_shorts(device
,(unsigned short *)buffer
,n
);
1831 debug ("Read from device @ %p shorts %d\n",buffer
,n
);
1832 input_data_shorts(device
,(unsigned short *)buffer
,n
);
1835 udelay(5000); /* seems that some CD ROMs need this... */
1836 mask
= ATA_STAT_BUSY
|ATA_STAT_ERR
;
1838 c
= atapi_wait_mask(device
,ATAPI_TIME_OUT
,mask
,res
);
1839 if ((c
& ATA_STAT_ERR
) == ATA_STAT_ERR
) {
1840 err
=(ide_inb(device
,ATA_ERROR_REG
) >> 4);
1841 debug ("atapi_issue 2 returned sense key %X status %X\n",err
,c
);
1846 ide_led (DEVICE_LED(device
), 0); /* LED off */
1851 * sending the command to atapi_issue. If an status other than good
1852 * returns, an request_sense will be issued
1855 #define ATAPI_DRIVE_NOT_READY 100
1856 #define ATAPI_UNIT_ATTN 10
1858 unsigned char atapi_issue_autoreq (int device
,
1861 unsigned char *buffer
,
1864 unsigned char sense_data
[18],sense_ccb
[12];
1865 unsigned char res
,key
,asc
,ascq
;
1866 int notready
,unitattn
;
1868 #ifdef CONFIG_AMIGAONEG3SE
1870 unsigned int timeout
, retrycnt
;
1872 s
= getenv("ide_cd_timeout");
1873 timeout
= s
? (simple_strtol(s
, NULL
, 10)*1000000)/5 : 0;
1878 unitattn
=ATAPI_UNIT_ATTN
;
1879 notready
=ATAPI_DRIVE_NOT_READY
;
1882 res
= atapi_issue(device
,ccb
,ccblen
,buffer
,buflen
);
1884 return (0); /* Ok */
1887 return (0xFF); /* error */
1889 debug ("(auto_req)atapi_issue returned sense key %X\n",res
);
1891 memset(sense_ccb
,0,sizeof(sense_ccb
));
1892 memset(sense_data
,0,sizeof(sense_data
));
1893 sense_ccb
[0]=ATAPI_CMD_REQ_SENSE
;
1894 sense_ccb
[4]=18; /* allocation Length */
1896 res
=atapi_issue(device
,sense_ccb
,12,sense_data
,18);
1897 key
=(sense_data
[2]&0xF);
1898 asc
=(sense_data
[12]);
1899 ascq
=(sense_data
[13]);
1901 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res
);
1902 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1909 return 0; /* ok device ready */
1911 if((key
==6)|| (asc
==0x29) || (asc
==0x28)) { /* Unit Attention */
1916 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN
);
1919 if((asc
==0x4) && (ascq
==0x1)) { /* not ready, but will be ready soon */
1924 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY
);
1928 debug ("Media not present\n");
1932 #ifdef CONFIG_AMIGAONEG3SE
1933 if ((sense_data
[2]&0xF)==0x0B) {
1934 debug ("ABORTED COMMAND...retry\n");
1940 if ((sense_data
[2]&0xf) == 0x02 &&
1941 sense_data
[12] == 0x04 &&
1942 sense_data
[13] == 0x01 ) {
1943 debug ("Waiting for unit to become active\n");
1949 #endif /* CONFIG_AMIGAONEG3SE */
1951 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1953 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key
,asc
,ascq
);
1958 static void atapi_inquiry(block_dev_desc_t
* dev_desc
)
1960 unsigned char ccb
[12]; /* Command descriptor block */
1961 unsigned char iobuf
[64]; /* temp buf */
1965 device
=dev_desc
->dev
;
1966 dev_desc
->type
=DEV_TYPE_UNKNOWN
; /* not yet valid */
1967 dev_desc
->block_read
=atapi_read
;
1969 memset(ccb
,0,sizeof(ccb
));
1970 memset(iobuf
,0,sizeof(iobuf
));
1972 ccb
[0]=ATAPI_CMD_INQUIRY
;
1973 ccb
[4]=40; /* allocation Legnth */
1974 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,40);
1976 debug ("ATAPI_CMD_INQUIRY returned %x\n",c
);
1980 /* copy device ident strings */
1981 ident_cpy((unsigned char*)dev_desc
->vendor
,&iobuf
[8],8);
1982 ident_cpy((unsigned char*)dev_desc
->product
,&iobuf
[16],16);
1983 ident_cpy((unsigned char*)dev_desc
->revision
,&iobuf
[32],5);
1988 dev_desc
->type
=iobuf
[0] & 0x1f;
1990 if ((iobuf
[1]&0x80)==0x80)
1991 dev_desc
->removable
= 1;
1993 dev_desc
->removable
= 0;
1995 memset(ccb
,0,sizeof(ccb
));
1996 memset(iobuf
,0,sizeof(iobuf
));
1997 ccb
[0]=ATAPI_CMD_START_STOP
;
1998 ccb
[4]=0x03; /* start */
2000 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
2002 debug ("ATAPI_CMD_START_STOP returned %x\n",c
);
2006 memset(ccb
,0,sizeof(ccb
));
2007 memset(iobuf
,0,sizeof(iobuf
));
2008 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,0);
2010 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c
);
2014 memset(ccb
,0,sizeof(ccb
));
2015 memset(iobuf
,0,sizeof(iobuf
));
2016 ccb
[0]=ATAPI_CMD_READ_CAP
;
2017 c
=atapi_issue_autoreq(device
,ccb
,12,(unsigned char *)iobuf
,8);
2018 debug ("ATAPI_CMD_READ_CAP returned %x\n",c
);
2022 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2023 iobuf
[0],iobuf
[1],iobuf
[2],iobuf
[3],
2024 iobuf
[4],iobuf
[5],iobuf
[6],iobuf
[7]);
2026 dev_desc
->lba
=((unsigned long)iobuf
[0]<<24) +
2027 ((unsigned long)iobuf
[1]<<16) +
2028 ((unsigned long)iobuf
[2]<< 8) +
2029 ((unsigned long)iobuf
[3]);
2030 dev_desc
->blksz
=((unsigned long)iobuf
[4]<<24) +
2031 ((unsigned long)iobuf
[5]<<16) +
2032 ((unsigned long)iobuf
[6]<< 8) +
2033 ((unsigned long)iobuf
[7]);
2035 dev_desc
->lba48
= 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2043 * we transfer only one block per command, since the multiple DRQ per
2044 * command is not yet implemented
2046 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2047 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2048 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2050 ulong
atapi_read (int device
, lbaint_t blknr
, ulong blkcnt
, void *buffer
)
2053 unsigned char ccb
[12]; /* Command descriptor block */
2056 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2057 device
, blknr
, blkcnt
, (ulong
)buffer
);
2060 if (blkcnt
>ATAPI_READ_MAX_BLOCK
) {
2061 cnt
=ATAPI_READ_MAX_BLOCK
;
2065 ccb
[0]=ATAPI_CMD_READ_12
;
2066 ccb
[1]=0; /* reserved */
2067 ccb
[2]=(unsigned char) (blknr
>>24) & 0xFF; /* MSB Block */
2068 ccb
[3]=(unsigned char) (blknr
>>16) & 0xFF; /* */
2069 ccb
[4]=(unsigned char) (blknr
>> 8) & 0xFF;
2070 ccb
[5]=(unsigned char) blknr
& 0xFF; /* LSB Block */
2071 ccb
[6]=(unsigned char) (cnt
>>24) & 0xFF; /* MSB Block count */
2072 ccb
[7]=(unsigned char) (cnt
>>16) & 0xFF;
2073 ccb
[8]=(unsigned char) (cnt
>> 8) & 0xFF;
2074 ccb
[9]=(unsigned char) cnt
& 0xFF; /* LSB Block */
2075 ccb
[10]=0; /* reserved */
2076 ccb
[11]=0; /* reserved */
2078 if (atapi_issue_autoreq(device
,ccb
,12,
2079 (unsigned char *)buffer
,
2080 cnt
*ATAPI_READ_BLOCK_SIZE
) == 0xFF) {
2086 buffer
+=(cnt
*ATAPI_READ_BLOCK_SIZE
);
2087 } while (blkcnt
> 0);
2091 /* ------------------------------------------------------------------------- */
2093 #endif /* CONFIG_ATAPI */
2097 "ide - IDE sub-system\n",
2098 "reset - reset IDE controller\n"
2099 "ide info - show available IDE devices\n"
2100 "ide device [dev] - show or set current device\n"
2101 "ide part [dev] - print partition table of one or all IDE devices\n"
2102 "ide read addr blk# cnt\n"
2103 "ide write addr blk# cnt - read/write `cnt'"
2104 " blocks starting at block `blk#'\n"
2105 " to/from memory address `addr'\n"
2109 diskboot
, 3, 1, do_diskboot
,
2110 "diskboot- boot from IDE device\n",
2111 "loadAddr dev:part\n"