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 static void input_data(int dev, ulong *sect_buf, int words);
165 static void output_data(int dev, ulong *sect_buf, int words);
166 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
168 #ifndef CFG_ATA_PORT_ADDR
169 #define CFG_ATA_PORT_ADDR(port) (port)
173 static void atapi_inquiry(block_dev_desc_t *dev_desc);
174 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
178 #ifdef CONFIG_IDE_8xx_DIRECT
179 static void set_pcmcia_timing (int pmode);
182 /* ------------------------------------------------------------------------- */
184 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
191 printf ("Usage:\n%s\n", cmdtp->usage);
194 if (strncmp(argv[1],"res",3) == 0) {
196 #ifdef CONFIG_IDE_8xx_DIRECT
197 " on PCMCIA " PCMCIA_SLOT_MSG
203 } else if (strncmp(argv[1],"inf",3) == 0) {
208 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
209 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
210 continue; /* list only known devices */
211 printf ("IDE device %d: ", i);
212 dev_print(&ide_dev_desc[i]);
216 } else if (strncmp(argv[1],"dev",3) == 0) {
217 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
218 puts ("\nno IDE devices available\n");
221 printf ("\nIDE device %d: ", curr_device);
222 dev_print(&ide_dev_desc[curr_device]);
224 } else if (strncmp(argv[1],"part",4) == 0) {
227 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
228 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
232 print_part(&ide_dev_desc[dev]);
236 puts ("\nno IDE devices available\n");
241 printf ("Usage:\n%s\n", cmdtp->usage);
244 if (strncmp(argv[1],"dev",3) == 0) {
245 int dev = (int)simple_strtoul(argv[2], NULL, 10);
247 printf ("\nIDE device %d: ", dev);
248 if (dev >= CFG_IDE_MAXDEVICE) {
249 puts ("unknown device\n");
252 dev_print(&ide_dev_desc[dev]);
255 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
261 puts ("... is now current device\n");
264 } else if (strncmp(argv[1],"part",4) == 0) {
265 int dev = (int)simple_strtoul(argv[2], NULL, 10);
267 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
268 print_part(&ide_dev_desc[dev]);
270 printf ("\nIDE device %d not available\n", dev);
275 } else if (strncmp(argv[1],"pio",4) == 0) {
276 int mode = (int)simple_strtoul(argv[2], NULL, 10);
278 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
283 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
284 mode, IDE_MAX_PIO_MODE);
290 printf ("Usage:\n%s\n", cmdtp->usage);
293 /* at least 4 args */
295 if (strcmp(argv[1],"read") == 0) {
296 ulong addr = simple_strtoul(argv[2], NULL, 16);
297 ulong cnt = simple_strtoul(argv[4], NULL, 16);
300 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
302 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
303 curr_device, blk, cnt);
305 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
307 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
308 curr_device, blk, cnt);
311 n = ide_dev_desc[curr_device].block_read (curr_device,
314 /* flush cache after read */
315 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
317 printf ("%ld blocks read: %s\n",
318 n, (n==cnt) ? "OK" : "ERROR");
324 } else if (strcmp(argv[1],"write") == 0) {
325 ulong addr = simple_strtoul(argv[2], NULL, 16);
326 ulong cnt = simple_strtoul(argv[4], NULL, 16);
329 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
331 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
332 curr_device, blk, cnt);
334 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
336 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
337 curr_device, blk, cnt);
340 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
342 printf ("%ld blocks written: %s\n",
343 n, (n==cnt) ? "OK" : "ERROR");
350 printf ("Usage:\n%s\n", cmdtp->usage);
358 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
360 char *boot_device = NULL;
364 disk_partition_t info;
367 #if defined(CONFIG_FIT)
368 const void *fit_hdr = NULL;
371 show_boot_progress (41);
374 addr = CFG_LOAD_ADDR;
375 boot_device = getenv ("bootdevice");
378 addr = simple_strtoul(argv[1], NULL, 16);
379 boot_device = getenv ("bootdevice");
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = argv[2];
386 printf ("Usage:\n%s\n", cmdtp->usage);
387 show_boot_progress (-42);
390 show_boot_progress (42);
393 puts ("\n** No boot device **\n");
394 show_boot_progress (-43);
397 show_boot_progress (43);
399 dev = simple_strtoul(boot_device, &ep, 16);
401 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
402 printf ("\n** Device %d not available\n", dev);
403 show_boot_progress (-44);
406 show_boot_progress (44);
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
411 show_boot_progress (-45);
414 part = simple_strtoul(++ep, NULL, 16);
416 show_boot_progress (45);
417 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
418 show_boot_progress (-46);
421 show_boot_progress (46);
422 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
423 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
424 printf ("\n** Invalid partition type \"%.32s\""
425 " (expect \"" BOOT_PART_TYPE "\")\n",
427 show_boot_progress (-47);
430 show_boot_progress (47);
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
436 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info.start, info.size, info.blksz);
439 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
440 printf ("** Read error on %d:%d\n", dev, part);
441 show_boot_progress (-48);
444 show_boot_progress (48);
446 switch (genimg_get_format ((void *)addr)) {
447 case IMAGE_FORMAT_LEGACY:
448 hdr = (image_header_t *)addr;
450 show_boot_progress (49);
452 if (!image_check_hcrc (hdr)) {
453 puts ("\n** Bad Header Checksum **\n");
454 show_boot_progress (-50);
457 show_boot_progress (50);
459 image_print_contents (hdr);
461 cnt = image_get_image_size (hdr);
463 #if defined(CONFIG_FIT)
464 case IMAGE_FORMAT_FIT:
465 fit_hdr = (const void *)addr;
466 puts ("Fit image detected...\n");
468 cnt = fit_get_size (fit_hdr);
472 show_boot_progress (-49);
473 puts ("** Unknown image type\n");
477 cnt += info.blksz - 1;
481 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
482 (ulong *)(addr+info.blksz)) != cnt) {
483 printf ("** Read error on %d:%d\n", dev, part);
484 show_boot_progress (-51);
487 show_boot_progress (51);
489 #if defined(CONFIG_FIT)
490 /* This cannot be done earlier, we need complete FIT image in RAM first */
491 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
492 if (!fit_check_format (fit_hdr)) {
493 show_boot_progress (-140);
494 puts ("** Bad FIT image format\n");
497 show_boot_progress (141);
498 fit_print_contents (fit_hdr);
502 /* Loading ok, update default load address */
506 /* Check if we should attempt an auto-start */
507 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
509 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
511 local_args[0] = argv[0];
512 local_args[1] = NULL;
514 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
516 do_bootm (cmdtp, 0, 1, local_args);
522 /* ------------------------------------------------------------------------- */
525 __ide_outb(int dev, int port, unsigned char val)
527 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
528 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
529 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
531 void inline ide_outb (int dev, int port, unsigned char val)
532 __attribute__((weak, alias("__ide_outb")));
535 __ide_inb(int dev, int port)
538 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
539 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
540 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
543 unsigned char inline ide_inb(int dev, int port)
544 __attribute__((weak, alias("__ide_inb")));
546 #ifdef CONFIG_TUNE_PIO
548 __ide_set_piomode(int pio_mode)
552 int inline ide_set_piomode(int pio_mode)
553 __attribute__((weak, alias("__ide_set_piomode")));
559 #ifdef CONFIG_IDE_8xx_DIRECT
560 volatile immap_t *immr = (immap_t *)CFG_IMMR;
561 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
565 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
566 unsigned int ata_reset_time = ATA_RESET_TIME;
569 #ifdef CONFIG_AMIGAONEG3SE
570 unsigned int max_bus_scan;
572 #ifdef CONFIG_IDE_8xx_PCCARD
573 extern int pcmcia_on (void);
574 extern int ide_devices_found; /* Initialized in check_ide_device() */
575 #endif /* CONFIG_IDE_8xx_PCCARD */
577 #ifdef CONFIG_IDE_PREINIT
578 extern int ide_preinit (void);
581 if (ide_preinit ()) {
582 puts ("ide_preinit failed\n");
585 #endif /* CONFIG_IDE_PREINIT */
587 #ifdef CONFIG_IDE_8xx_PCCARD
588 extern int pcmcia_on (void);
589 extern int ide_devices_found; /* Initialized in check_ide_device() */
593 ide_devices_found = 0;
594 /* initialize the PCMCIA IDE adapter card */
596 if (!ide_devices_found)
598 udelay (1000000); /* 1 s */
599 #endif /* CONFIG_IDE_8xx_PCCARD */
603 #ifdef CONFIG_IDE_8xx_DIRECT
604 /* Initialize PIO timing tables */
605 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
606 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
608 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
610 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
612 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
614 " hold=%2d ns/%d clk\n",
616 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
617 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
618 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
620 #endif /* CONFIG_IDE_8xx_DIRECT */
622 /* Reset the IDE just to be sure.
623 * Light LED's to show
625 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
626 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
628 #ifdef CONFIG_IDE_8xx_DIRECT
629 /* PCMCIA / IDE initialization for common mem space */
630 pcmp->pcmc_pgcrb = 0;
632 /* start in PIO mode 0 - most relaxed timings */
634 set_pcmcia_timing (pio_mode);
635 #endif /* CONFIG_IDE_8xx_DIRECT */
638 * Wait for IDE to get ready.
639 * According to spec, this can take up to 31 seconds!
641 #ifndef CONFIG_AMIGAONEG3SE
642 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
643 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
645 s = getenv("ide_maxbus");
647 max_bus_scan = simple_strtol(s, NULL, 10);
649 max_bus_scan = CFG_IDE_MAXBUS;
651 for (bus=0; bus<max_bus_scan; ++bus) {
652 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
655 #ifdef CONFIG_IDE_8xx_PCCARD
656 /* Skip non-ide devices from probing */
657 if ((ide_devices_found & (1 << bus)) == 0) {
658 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
662 printf ("Bus %d: ", bus);
668 udelay (100000); /* 100 ms */
669 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
670 udelay (100000); /* 100 ms */
671 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
672 if ((s = getenv("ide_reset_timeout")) != NULL)
673 ata_reset_time = simple_strtol(s, NULL, 10);
677 udelay (10000); /* 10 ms */
679 c = ide_inb (dev, ATA_STATUS);
681 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
682 if (i > (ata_reset_time * 100)) {
684 if (i > (ATA_RESET_TIME * 100)) {
686 puts ("** Timeout **\n");
687 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
688 #ifdef CONFIG_AMIGAONEG3SE
689 /* If this is the second bus, the first one was OK */
697 if ((i >= 100) && ((i%100)==0)) {
700 } while (c & ATA_STAT_BUSY);
702 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
703 puts ("not available ");
704 debug ("Status = 0x%02X ", c);
705 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
706 } else if ((c & ATA_STAT_READY) == 0) {
707 puts ("not available ");
708 debug ("Status = 0x%02X ", c);
717 #ifdef CONFIG_AMIGAONEG3SE
722 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
725 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
726 #ifdef CONFIG_IDE_LED
727 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
729 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
730 ide_dev_desc[i].if_type=IF_TYPE_IDE;
731 ide_dev_desc[i].dev=i;
732 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
733 ide_dev_desc[i].blksz=0;
734 ide_dev_desc[i].lba=0;
735 ide_dev_desc[i].block_read=ide_read;
736 if (!ide_bus_ok[IDE_BUS(i)])
738 ide_led (led, 1); /* LED on */
739 ide_ident(&ide_dev_desc[i]);
740 ide_led (led, 0); /* LED off */
741 dev_print(&ide_dev_desc[i]);
743 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
744 init_part (&ide_dev_desc[i]); /* initialize partition type */
752 /* ------------------------------------------------------------------------- */
754 block_dev_desc_t * ide_get_dev(int dev)
756 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
760 #ifdef CONFIG_IDE_8xx_DIRECT
763 set_pcmcia_timing (int pmode)
765 volatile immap_t *immr = (immap_t *)CFG_IMMR;
766 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
769 debug ("Set timing for PIO Mode %d\n", pmode);
771 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
772 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
773 | PCMCIA_SL (pio_config_clk[pmode].t_length)
778 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
779 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
780 #if (CFG_PCMCIA_POR0 != 0)
784 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
786 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
787 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
788 #if (CFG_PCMCIA_POR1 != 0)
792 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
794 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
795 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
796 #if (CFG_PCMCIA_POR2 != 0)
800 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
802 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
803 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
804 #if (CFG_PCMCIA_POR3 != 0)
808 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
812 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
813 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
814 #if (CFG_PCMCIA_POR4 != 0)
818 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
820 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
821 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
822 #if (CFG_PCMCIA_POR5 != 0)
826 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
828 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
829 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
830 #if (CFG_PCMCIA_POR6 != 0)
834 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
836 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
837 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
838 #if (CFG_PCMCIA_POR7 != 0)
842 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
846 #endif /* CONFIG_IDE_8xx_DIRECT */
848 /* ------------------------------------------------------------------------- */
851 # ifdef CONFIG_AMIGAONEG3SE
853 output_data_short(int dev, ulong *sect_buf, int words)
856 volatile ushort *pbuf;
858 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
859 dbuf = (ushort *)sect_buf;
869 # endif /* CONFIG_AMIGAONEG3SE */
872 /* We only need to swap data if we are running on a big endian cpu. */
873 /* But Au1x00 cpu:s already swaps data in big endian mode! */
874 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
875 #define input_swap_data(x,y,z) input_data(x,y,z)
878 input_swap_data(int dev, ulong *sect_buf, int words)
880 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
882 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
883 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
884 ushort *dbuf = (ushort *)sect_buf;
887 for (i=0; i<2; i++) {
888 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
889 *(uchar *)dbuf = *pbuf_odd;
894 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
895 ushort *dbuf = (ushort *)sect_buf;
897 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
901 *dbuf++ = swab16p((u16*)pbuf);
902 *dbuf++ = swab16p((u16*)pbuf);
903 #elif defined(CONFIG_PCS440EP)
907 *dbuf++ = ld_le16(pbuf);
908 *dbuf++ = ld_le16(pbuf);
913 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
916 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
918 output_data(int dev, ulong *sect_buf, int words)
920 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
922 volatile uchar *pbuf_even;
923 volatile uchar *pbuf_odd;
925 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
926 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
927 dbuf = (uchar *)sect_buf;
930 *pbuf_even = *dbuf++;
934 *pbuf_even = *dbuf++;
940 volatile ushort *pbuf;
942 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
943 dbuf = (ushort *)sect_buf;
945 #if defined(CONFIG_PCS440EP)
946 /* not tested, because CF was write protected */
948 *pbuf = ld_le16(dbuf++);
950 *pbuf = ld_le16(dbuf++);
960 #else /* ! __PPC__ */
962 output_data(int dev, ulong *sect_buf, int words)
964 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
968 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
970 input_data(int dev, ulong *sect_buf, int words)
972 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
974 volatile uchar *pbuf_even;
975 volatile uchar *pbuf_odd;
977 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
978 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
979 dbuf = (uchar *)sect_buf;
981 *dbuf++ = *pbuf_even;
987 *dbuf++ = *pbuf_even;
996 volatile ushort *pbuf;
998 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
999 dbuf = (ushort *)sect_buf;
1001 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
1004 #if defined(CONFIG_PCS440EP)
1006 *dbuf++ = ld_le16(pbuf);
1008 *dbuf++ = ld_le16(pbuf);
1018 #else /* ! __PPC__ */
1020 input_data(int dev, ulong *sect_buf, int words)
1022 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1025 #endif /* __PPC__ */
1027 #ifdef CONFIG_AMIGAONEG3SE
1029 input_data_short(int dev, ulong *sect_buf, int words)
1032 volatile ushort *pbuf;
1034 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1035 dbuf = (ushort *)sect_buf;
1049 /* -------------------------------------------------------------------------
1051 static void ide_ident (block_dev_desc_t *dev_desc)
1053 ulong iobuf[ATA_SECTORWORDS];
1055 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1057 #ifdef CONFIG_AMIGAONEG3SE
1066 #ifdef CONFIG_TUNE_PIO
1071 int mode, cycle_time;
1074 device=dev_desc->dev;
1075 printf (" Device %d: ", device);
1077 #ifdef CONFIG_AMIGAONEG3SE
1078 s = getenv("ide_maxbus");
1080 max_bus_scan = simple_strtol(s, NULL, 10);
1082 max_bus_scan = CFG_IDE_MAXBUS;
1084 if (device >= max_bus_scan*2) {
1085 dev_desc->type=DEV_TYPE_UNKNOWN;
1090 ide_led (DEVICE_LED(device), 1); /* LED on */
1093 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1094 dev_desc->if_type=IF_TYPE_IDE;
1100 /* Warning: This will be tricky to read */
1101 while (retries <= 1) {
1102 /* check signature */
1103 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1104 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1105 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1106 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1107 /* ATAPI Signature found */
1108 dev_desc->if_type=IF_TYPE_ATAPI;
1109 /* Start Ident Command
1111 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1113 * Wait for completion - ATAPI devices need more time
1116 c = ide_wait (device, ATAPI_TIME_OUT);
1120 /* Start Ident Command
1122 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1124 /* Wait for completion
1126 c = ide_wait (device, IDE_TIME_OUT);
1128 ide_led (DEVICE_LED(device), 0); /* LED off */
1130 if (((c & ATA_STAT_DRQ) == 0) ||
1131 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1133 #ifdef CONFIG_AMIGAONEG3SE
1134 s = getenv("ide_doreset");
1135 if (s && strcmp(s, "on") == 0)
1138 /* Need to soft reset the device in case it's an ATAPI... */
1139 debug ("Retrying...\n");
1140 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1142 ide_outb (device, ATA_COMMAND, 0x08);
1143 udelay (500000); /* 500 ms */
1147 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1156 } /* see above - ugly to read */
1158 if (retries == 2) /* Not found */
1162 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1164 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1165 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1166 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1167 #ifdef __LITTLE_ENDIAN
1169 * firmware revision and model number have Big Endian Byte
1170 * order in Word. Convert both to little endian.
1172 * See CF+ and CompactFlash Specification Revision 2.0:
1173 * 6.2.1.6: Identfy Drive, Table 39 for more details
1176 strswab (dev_desc->revision);
1177 strswab (dev_desc->vendor);
1178 #endif /* __LITTLE_ENDIAN */
1180 if ((iop->config & 0x0080)==0x0080)
1181 dev_desc->removable = 1;
1183 dev_desc->removable = 0;
1185 #ifdef CONFIG_TUNE_PIO
1186 /* Mode 0 - 2 only, are directly determined by word 51. */
1187 pio_mode = iop->tPIO;
1189 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1190 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1193 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1194 * shall set bit 1 of word 53 to one and support the fields contained
1195 * in words 64 through 70.
1197 if (iop->field_valid & 0x02) {
1198 /* Mode 3 and above are possible. Check in order from slow
1199 * to fast, so we wind up with the highest mode allowed.
1201 if (iop->eide_pio_modes & 0x01)
1203 if (iop->eide_pio_modes & 0x02)
1205 if (ata_id_is_cfa((u16 *)iop)) {
1206 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1208 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1213 /* System-specific, depends on bus speeds, etc. */
1214 ide_set_piomode(pio_mode);
1215 #endif /* CONFIG_TUNE_PIO */
1219 * Drive PIO mode autoselection
1223 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1224 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1226 debug ("Override tPIO -> 2\n");
1228 if (iop->field_valid & 2) { /* drive implements ATA2? */
1229 debug ("Drive implements ATA2\n");
1230 if (iop->capability & 8) { /* drive supports use_iordy? */
1231 cycle_time = iop->eide_pio_iordy;
1233 cycle_time = iop->eide_pio;
1235 debug ("cycle time = %d\n", cycle_time);
1237 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1238 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1239 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1240 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1242 printf ("PIO mode to use: PIO %d\n", mode);
1246 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1247 atapi_inquiry(dev_desc);
1250 #endif /* CONFIG_ATAPI */
1254 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1255 #else /* ! __BIG_ENDIAN */
1257 * do not swap shorts on little endian
1259 * See CF+ and CompactFlash Specification Revision 2.0:
1260 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1262 dev_desc->lba = iop->lba_capacity;
1263 #endif /* __BIG_ENDIAN */
1266 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1267 dev_desc->lba48 = 1;
1268 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1269 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1270 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1271 ((unsigned long long)iop->lba48_capacity[3] << 48);
1273 dev_desc->lba48 = 0;
1275 #endif /* CONFIG_LBA48 */
1277 dev_desc->type=DEV_TYPE_HARDDISK;
1278 dev_desc->blksz=ATA_BLOCKSIZE;
1279 dev_desc->lun=0; /* just to fill something in... */
1281 #if 0 /* only used to test the powersaving mode,
1282 * if enabled, the drive goes after 5 sec
1283 * in standby mode */
1284 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1285 c = ide_wait (device, IDE_TIME_OUT);
1286 ide_outb (device, ATA_SECT_CNT, 1);
1287 ide_outb (device, ATA_LBA_LOW, 0);
1288 ide_outb (device, ATA_LBA_MID, 0);
1289 ide_outb (device, ATA_LBA_HIGH, 0);
1290 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1291 ide_outb (device, ATA_COMMAND, 0xe3);
1293 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1298 /* ------------------------------------------------------------------------- */
1300 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1304 unsigned char pwrsave=0; /* power save */
1306 unsigned char lba48 = 0;
1308 if (blknr & 0x0000fffff0000000ULL) {
1309 /* more than 28 bits used, use 48bit mode */
1313 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1314 device, blknr, blkcnt, (ulong)buffer);
1316 ide_led (DEVICE_LED(device), 1); /* LED on */
1320 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1321 c = ide_wait (device, IDE_TIME_OUT);
1323 if (c & ATA_STAT_BUSY) {
1324 printf ("IDE read: device %d not ready\n", device);
1328 /* first check if the drive is in Powersaving mode, if yes,
1329 * increase the timeout value */
1330 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1333 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1335 if (c & ATA_STAT_BUSY) {
1336 printf ("IDE read: device %d not ready\n", device);
1339 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1340 printf ("No Powersaving mode %X\n", c);
1342 c = ide_inb(device,ATA_SECT_CNT);
1343 debug ("Powersaving %02X\n",c);
1349 while (blkcnt-- > 0) {
1351 c = ide_wait (device, IDE_TIME_OUT);
1353 if (c & ATA_STAT_BUSY) {
1354 printf ("IDE read: device %d not ready\n", device);
1359 /* write high bits */
1360 ide_outb (device, ATA_SECT_CNT, 0);
1361 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1362 #ifdef CFG_64BIT_LBA
1363 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1364 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1366 ide_outb (device, ATA_LBA_MID, 0);
1367 ide_outb (device, ATA_LBA_HIGH, 0);
1371 ide_outb (device, ATA_SECT_CNT, 1);
1372 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1373 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1374 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1378 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1379 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1384 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1385 ATA_DEVICE(device) |
1386 ((blknr >> 24) & 0xF) );
1387 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1393 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1396 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1399 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1400 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1401 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1404 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1405 device, (ulong)blknr, c);
1410 input_data (device, buffer, ATA_SECTORWORDS);
1411 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1415 buffer += ATA_BLOCKSIZE;
1418 ide_led (DEVICE_LED(device), 0); /* LED off */
1422 /* ------------------------------------------------------------------------- */
1425 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1430 unsigned char lba48 = 0;
1432 if (blknr & 0x0000fffff0000000ULL) {
1433 /* more than 28 bits used, use 48bit mode */
1438 ide_led (DEVICE_LED(device), 1); /* LED on */
1442 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1444 while (blkcnt-- > 0) {
1446 c = ide_wait (device, IDE_TIME_OUT);
1448 if (c & ATA_STAT_BUSY) {
1449 printf ("IDE read: device %d not ready\n", device);
1454 /* write high bits */
1455 ide_outb (device, ATA_SECT_CNT, 0);
1456 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1457 #ifdef CFG_64BIT_LBA
1458 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1459 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1461 ide_outb (device, ATA_LBA_MID, 0);
1462 ide_outb (device, ATA_LBA_HIGH, 0);
1466 ide_outb (device, ATA_SECT_CNT, 1);
1467 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1468 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1469 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1473 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1474 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1479 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1480 ATA_DEVICE(device) |
1481 ((blknr >> 24) & 0xF) );
1482 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1487 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1489 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1490 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1491 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1494 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1495 device, (ulong)blknr, c);
1500 output_data (device, buffer, ATA_SECTORWORDS);
1501 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1504 buffer += ATA_BLOCKSIZE;
1507 ide_led (DEVICE_LED(device), 0); /* LED off */
1511 /* ------------------------------------------------------------------------- */
1514 * copy src to dest, skipping leading and trailing blanks and null
1515 * terminate the string
1516 * "len" is the size of available memory including the terminating '\0'
1518 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1520 unsigned char *end, *last;
1523 end = src + len - 1;
1525 /* reserve space for '\0' */
1529 /* skip leading white space */
1530 while ((*src) && (src<end) && (*src==' '))
1533 /* copy string, omitting trailing white space */
1534 while ((*src) && (src<end)) {
1543 /* ------------------------------------------------------------------------- */
1546 * Wait until Busy bit is off, or timeout (in ms)
1547 * Return last status
1549 static uchar ide_wait (int dev, ulong t)
1551 ulong delay = 10 * t; /* poll every 100 us */
1554 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1563 /* ------------------------------------------------------------------------- */
1565 #ifdef CONFIG_IDE_RESET
1566 extern void ide_set_reset(int idereset);
1568 static void ide_reset (void)
1570 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1571 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1576 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1578 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1579 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1581 ide_set_reset (1); /* assert reset */
1583 /* the reset signal shall be asserted for et least 25 us */
1588 #ifdef CFG_PB_12V_ENABLE
1589 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1590 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1591 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1592 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1594 /* wait 500 ms for the voltage to stabilize
1596 for (i=0; i<500; ++i) {
1600 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1601 #endif /* CFG_PB_12V_ENABLE */
1603 #ifdef CFG_PB_IDE_MOTOR
1604 /* configure IDE Motor voltage monitor pin as input */
1605 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1606 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1607 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1609 /* wait up to 1 s for the motor voltage to stabilize
1611 for (i=0; i<1000; ++i) {
1612 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1618 if (i == 1000) { /* Timeout */
1619 printf ("\nWarning: 5V for IDE Motor missing\n");
1620 # ifdef CONFIG_STATUS_LED
1621 # ifdef STATUS_LED_YELLOW
1622 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1624 # ifdef STATUS_LED_GREEN
1625 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1627 # endif /* CONFIG_STATUS_LED */
1629 #endif /* CFG_PB_IDE_MOTOR */
1633 /* de-assert RESET signal */
1637 for (i=0; i<250; ++i) {
1642 #endif /* CONFIG_IDE_RESET */
1644 /* ------------------------------------------------------------------------- */
1646 #if defined(CONFIG_IDE_LED) && \
1647 !defined(CONFIG_AMIGAONEG3SE)&& \
1648 !defined(CONFIG_CPC45) && \
1649 !defined(CONFIG_HMI10) && \
1650 !defined(CONFIG_KUP4K) && \
1651 !defined(CONFIG_KUP4X)
1653 static uchar led_buffer = 0; /* Buffer for current LED status */
1655 static void ide_led (uchar led, uchar status)
1657 uchar *led_port = LED_PORT;
1659 if (status) { /* switch LED on */
1661 } else { /* switch LED off */
1665 *led_port = led_buffer;
1668 #endif /* CONFIG_IDE_LED */
1670 /* ------------------------------------------------------------------------- */
1673 /****************************************************************************
1677 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1678 /* since ATAPI may use commands with not 4 bytes alligned length
1679 * we have our own transfer functions, 2 bytes alligned */
1681 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1683 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1685 volatile uchar *pbuf_even;
1686 volatile uchar *pbuf_odd;
1688 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1689 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1692 *pbuf_even = *dbuf++;
1694 *pbuf_odd = *dbuf++;
1698 volatile ushort *pbuf;
1700 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1701 dbuf = (ushort *)sect_buf;
1703 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1713 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1715 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1717 volatile uchar *pbuf_even;
1718 volatile uchar *pbuf_odd;
1720 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1721 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1724 *dbuf++ = *pbuf_even;
1726 *dbuf++ = *pbuf_odd;
1730 volatile ushort *pbuf;
1732 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1733 dbuf = (ushort *)sect_buf;
1735 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1744 #else /* ! __PPC__ */
1746 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1748 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1752 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1754 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1757 #endif /* __PPC__ */
1760 * Wait until (Status & mask) == res, or timeout (in ms)
1761 * Return last status
1762 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1763 * and then they set their DRQ Bit
1765 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1767 ulong delay = 10 * t; /* poll every 100 us */
1770 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1771 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1772 /* break if error occurs (doesn't make sense to wait more) */
1773 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1784 * issue an atapi command
1786 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1788 unsigned char c,err,mask,res;
1790 ide_led (DEVICE_LED(device), 1); /* LED on */
1794 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1796 #ifdef CONFIG_AMIGAONEG3SE
1797 # warning THF: Removed LBA mode ???
1799 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1800 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1801 if ((c & mask) != res) {
1802 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1806 /* write taskfile */
1807 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1808 ide_outb (device, ATA_SECT_CNT, 0);
1809 ide_outb (device, ATA_SECT_NUM, 0);
1810 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1811 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1812 #ifdef CONFIG_AMIGAONEG3SE
1813 # warning THF: Removed LBA mode ???
1815 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1817 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1820 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1822 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1824 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1825 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1830 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1831 /* ATAPI Command written wait for completition */
1832 udelay (5000); /* device must set bsy */
1834 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1835 /* if no data wait for DRQ = 0 BSY = 0
1836 * if data wait for DRQ = 1 BSY = 0 */
1840 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1841 if ((c & mask) != res ) {
1842 if (c & ATA_STAT_ERR) {
1843 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1844 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1846 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1851 n=ide_inb(device, ATA_CYL_HIGH);
1853 n+=ide_inb(device, ATA_CYL_LOW);
1855 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1859 if((n==0)&&(buflen<0)) {
1860 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1865 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1867 if(n!=0) { /* data transfer */
1868 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1869 /* we transfer shorts */
1871 /* ok now decide if it is an in or output */
1872 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1873 debug ("Write to device\n");
1874 output_data_shorts(device,(unsigned short *)buffer,n);
1876 debug ("Read from device @ %p shorts %d\n",buffer,n);
1877 input_data_shorts(device,(unsigned short *)buffer,n);
1880 udelay(5000); /* seems that some CD ROMs need this... */
1881 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1883 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1884 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1885 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1886 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1891 ide_led (DEVICE_LED(device), 0); /* LED off */
1896 * sending the command to atapi_issue. If an status other than good
1897 * returns, an request_sense will be issued
1900 #define ATAPI_DRIVE_NOT_READY 100
1901 #define ATAPI_UNIT_ATTN 10
1903 unsigned char atapi_issue_autoreq (int device,
1906 unsigned char *buffer,
1909 unsigned char sense_data[18],sense_ccb[12];
1910 unsigned char res,key,asc,ascq;
1911 int notready,unitattn;
1913 #ifdef CONFIG_AMIGAONEG3SE
1915 unsigned int timeout, retrycnt;
1917 s = getenv("ide_cd_timeout");
1918 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1923 unitattn=ATAPI_UNIT_ATTN;
1924 notready=ATAPI_DRIVE_NOT_READY;
1927 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1929 return (0); /* Ok */
1932 return (0xFF); /* error */
1934 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1936 memset(sense_ccb,0,sizeof(sense_ccb));
1937 memset(sense_data,0,sizeof(sense_data));
1938 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1939 sense_ccb[4]=18; /* allocation Length */
1941 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1942 key=(sense_data[2]&0xF);
1943 asc=(sense_data[12]);
1944 ascq=(sense_data[13]);
1946 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1947 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1954 return 0; /* ok device ready */
1956 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1961 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1964 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1969 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1973 debug ("Media not present\n");
1977 #ifdef CONFIG_AMIGAONEG3SE
1978 if ((sense_data[2]&0xF)==0x0B) {
1979 debug ("ABORTED COMMAND...retry\n");
1985 if ((sense_data[2]&0xf) == 0x02 &&
1986 sense_data[12] == 0x04 &&
1987 sense_data[13] == 0x01 ) {
1988 debug ("Waiting for unit to become active\n");
1994 #endif /* CONFIG_AMIGAONEG3SE */
1996 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1998 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
2003 static void atapi_inquiry(block_dev_desc_t * dev_desc)
2005 unsigned char ccb[12]; /* Command descriptor block */
2006 unsigned char iobuf[64]; /* temp buf */
2010 device=dev_desc->dev;
2011 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
2012 dev_desc->block_read=atapi_read;
2014 memset(ccb,0,sizeof(ccb));
2015 memset(iobuf,0,sizeof(iobuf));
2017 ccb[0]=ATAPI_CMD_INQUIRY;
2018 ccb[4]=40; /* allocation Legnth */
2019 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
2021 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
2025 /* copy device ident strings */
2026 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
2027 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
2028 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
2033 dev_desc->type=iobuf[0] & 0x1f;
2035 if ((iobuf[1]&0x80)==0x80)
2036 dev_desc->removable = 1;
2038 dev_desc->removable = 0;
2040 memset(ccb,0,sizeof(ccb));
2041 memset(iobuf,0,sizeof(iobuf));
2042 ccb[0]=ATAPI_CMD_START_STOP;
2043 ccb[4]=0x03; /* start */
2045 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2047 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
2051 memset(ccb,0,sizeof(ccb));
2052 memset(iobuf,0,sizeof(iobuf));
2053 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2055 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2059 memset(ccb,0,sizeof(ccb));
2060 memset(iobuf,0,sizeof(iobuf));
2061 ccb[0]=ATAPI_CMD_READ_CAP;
2062 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2063 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2067 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2068 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2069 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2071 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2072 ((unsigned long)iobuf[1]<<16) +
2073 ((unsigned long)iobuf[2]<< 8) +
2074 ((unsigned long)iobuf[3]);
2075 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2076 ((unsigned long)iobuf[5]<<16) +
2077 ((unsigned long)iobuf[6]<< 8) +
2078 ((unsigned long)iobuf[7]);
2080 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2088 * we transfer only one block per command, since the multiple DRQ per
2089 * command is not yet implemented
2091 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2092 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2093 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2095 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2098 unsigned char ccb[12]; /* Command descriptor block */
2101 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2102 device, blknr, blkcnt, (ulong)buffer);
2105 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2106 cnt=ATAPI_READ_MAX_BLOCK;
2110 ccb[0]=ATAPI_CMD_READ_12;
2111 ccb[1]=0; /* reserved */
2112 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2113 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2114 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2115 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2116 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2117 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2118 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2119 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2120 ccb[10]=0; /* reserved */
2121 ccb[11]=0; /* reserved */
2123 if (atapi_issue_autoreq(device,ccb,12,
2124 (unsigned char *)buffer,
2125 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2131 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2132 } while (blkcnt > 0);
2136 /* ------------------------------------------------------------------------- */
2138 #endif /* CONFIG_ATAPI */
2142 "ide - IDE sub-system\n",
2143 "reset - reset IDE controller\n"
2144 "ide info - show available IDE devices\n"
2145 "ide device [dev] - show or set current device\n"
2146 "ide part [dev] - print partition table of one or all IDE devices\n"
2147 "ide read addr blk# cnt\n"
2148 "ide write addr blk# cnt - read/write `cnt'"
2149 " blocks starting at block `blk#'\n"
2150 " to/from memory address `addr'\n"
2154 diskboot, 3, 1, do_diskboot,
2155 "diskboot- boot from IDE device\n",
2156 "loadAddr dev:part\n"