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)
55 #ifdef CONFIG_STATUS_LED
56 # include <status_led.h>
59 #ifdef CONFIG_IDE_8xx_DIRECT
60 DECLARE_GLOBAL_DATA_PTR;
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
71 #ifdef CONFIG_IDE_8xx_DIRECT
72 /* Timings for IDE Interface
74 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
75 * 70 165 30 PIO-Mode 0, [ns]
77 * 50 125 20 PIO-Mode 1, [ns]
79 * 30 100 15 PIO-Mode 2, [ns]
81 * 30 80 10 PIO-Mode 3, [ns]
83 * 25 70 10 PIO-Mode 4, [ns]
87 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
89 /* Setup Length Hold */
90 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
91 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
92 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
93 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
94 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
97 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
99 #ifndef CONFIG_SYS_PIO_MODE
100 #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
102 static int pio_mode = CONFIG_SYS_PIO_MODE;
104 /* Make clock cycles and always round up */
106 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
108 #endif /* CONFIG_IDE_8xx_DIRECT */
110 /* ------------------------------------------------------------------------- */
112 /* Current I/O Device */
113 static int curr_device = -1;
115 /* Current offset for IDE0 / IDE1 bus access */
116 ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
117 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
118 CONFIG_SYS_ATA_IDE0_OFFSET,
120 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
121 CONFIG_SYS_ATA_IDE1_OFFSET,
126 #ifndef CONFIG_AMIGAONEG3SE
127 static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
129 static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS] = {0,};
132 block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
133 /* ------------------------------------------------------------------------- */
135 #ifdef CONFIG_IDE_LED
136 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
137 static void ide_led (uchar led, uchar status);
139 extern void ide_led (uchar led, uchar status);
142 #ifndef CONFIG_AMIGAONEG3SE
143 #define ide_led(a,b) /* dummy */
145 extern void ide_led(uchar led, uchar status);
148 #define CONFIG_IDE_LED 1
149 #define DEVICE_LED(x) 1
153 #ifdef CONFIG_IDE_RESET
154 static void ide_reset (void);
156 #define ide_reset() /* dummy */
159 static void ide_ident (block_dev_desc_t *dev_desc);
160 static uchar ide_wait (int dev, ulong t);
162 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
164 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
166 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
168 static void input_data(int dev, ulong *sect_buf, int words);
169 static void output_data(int dev, ulong *sect_buf, int words);
170 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
172 #ifndef CONFIG_SYS_ATA_PORT_ADDR
173 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
177 static void atapi_inquiry(block_dev_desc_t *dev_desc);
178 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
182 #ifdef CONFIG_IDE_8xx_DIRECT
183 static void set_pcmcia_timing (int pmode);
186 /* ------------------------------------------------------------------------- */
188 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
198 if (strncmp(argv[1],"res",3) == 0) {
200 #ifdef CONFIG_IDE_8xx_DIRECT
201 " on PCMCIA " PCMCIA_SLOT_MSG
207 } else if (strncmp(argv[1],"inf",3) == 0) {
212 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
213 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
214 continue; /* list only known devices */
215 printf ("IDE device %d: ", i);
216 dev_print(&ide_dev_desc[i]);
220 } else if (strncmp(argv[1],"dev",3) == 0) {
221 if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
222 puts ("\nno IDE devices available\n");
225 printf ("\nIDE device %d: ", curr_device);
226 dev_print(&ide_dev_desc[curr_device]);
228 } else if (strncmp(argv[1],"part",4) == 0) {
231 for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) {
232 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
236 print_part(&ide_dev_desc[dev]);
240 puts ("\nno IDE devices available\n");
248 if (strncmp(argv[1],"dev",3) == 0) {
249 int dev = (int)simple_strtoul(argv[2], NULL, 10);
251 printf ("\nIDE device %d: ", dev);
252 if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
253 puts ("unknown device\n");
256 dev_print(&ide_dev_desc[dev]);
259 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
265 puts ("... is now current device\n");
268 } else if (strncmp(argv[1],"part",4) == 0) {
269 int dev = (int)simple_strtoul(argv[2], NULL, 10);
271 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
272 print_part(&ide_dev_desc[dev]);
274 printf ("\nIDE device %d not available\n", dev);
279 } else if (strncmp(argv[1],"pio",4) == 0) {
280 int mode = (int)simple_strtoul(argv[2], NULL, 10);
282 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
287 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
288 mode, IDE_MAX_PIO_MODE);
297 /* at least 4 args */
299 if (strcmp(argv[1],"read") == 0) {
300 ulong addr = simple_strtoul(argv[2], NULL, 16);
301 ulong cnt = simple_strtoul(argv[4], NULL, 16);
303 #ifdef CONFIG_SYS_64BIT_LBA
304 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
306 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
307 curr_device, blk, cnt);
309 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
311 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
312 curr_device, blk, cnt);
315 n = ide_dev_desc[curr_device].block_read (curr_device,
318 /* flush cache after read */
319 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
321 printf ("%ld blocks read: %s\n",
322 n, (n==cnt) ? "OK" : "ERROR");
328 } else if (strcmp(argv[1],"write") == 0) {
329 ulong addr = simple_strtoul(argv[2], NULL, 16);
330 ulong cnt = simple_strtoul(argv[4], NULL, 16);
332 #ifdef CONFIG_SYS_64BIT_LBA
333 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
335 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
336 curr_device, blk, cnt);
338 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
340 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
341 curr_device, blk, cnt);
344 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
346 printf ("%ld blocks written: %s\n",
347 n, (n==cnt) ? "OK" : "ERROR");
362 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
364 char *boot_device = NULL;
368 disk_partition_t info;
371 #if defined(CONFIG_FIT)
372 const void *fit_hdr = NULL;
375 show_boot_progress (41);
378 addr = CONFIG_SYS_LOAD_ADDR;
379 boot_device = getenv ("bootdevice");
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = getenv ("bootdevice");
386 addr = simple_strtoul(argv[1], NULL, 16);
387 boot_device = argv[2];
391 show_boot_progress (-42);
394 show_boot_progress (42);
397 puts ("\n** No boot device **\n");
398 show_boot_progress (-43);
401 show_boot_progress (43);
403 dev = simple_strtoul(boot_device, &ep, 16);
405 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
406 printf ("\n** Device %d not available\n", dev);
407 show_boot_progress (-44);
410 show_boot_progress (44);
414 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
415 show_boot_progress (-45);
418 part = simple_strtoul(++ep, NULL, 16);
420 show_boot_progress (45);
421 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
422 show_boot_progress (-46);
425 show_boot_progress (46);
426 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
427 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
428 printf ("\n** Invalid partition type \"%.32s\""
429 " (expect \"" BOOT_PART_TYPE "\")\n",
431 show_boot_progress (-47);
434 show_boot_progress (47);
436 printf ("\nLoading from IDE device %d, partition %d: "
437 "Name: %.32s Type: %.32s\n",
438 dev, part, info.name, info.type);
440 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
441 info.start, info.size, info.blksz);
443 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
444 printf ("** Read error on %d:%d\n", dev, part);
445 show_boot_progress (-48);
448 show_boot_progress (48);
450 switch (genimg_get_format ((void *)addr)) {
451 case IMAGE_FORMAT_LEGACY:
452 hdr = (image_header_t *)addr;
454 show_boot_progress (49);
456 if (!image_check_hcrc (hdr)) {
457 puts ("\n** Bad Header Checksum **\n");
458 show_boot_progress (-50);
461 show_boot_progress (50);
463 image_print_contents (hdr);
465 cnt = image_get_image_size (hdr);
467 #if defined(CONFIG_FIT)
468 case IMAGE_FORMAT_FIT:
469 fit_hdr = (const void *)addr;
470 puts ("Fit image detected...\n");
472 cnt = fit_get_size (fit_hdr);
476 show_boot_progress (-49);
477 puts ("** Unknown image type\n");
481 cnt += info.blksz - 1;
485 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
486 (ulong *)(addr+info.blksz)) != cnt) {
487 printf ("** Read error on %d:%d\n", dev, part);
488 show_boot_progress (-51);
491 show_boot_progress (51);
493 #if defined(CONFIG_FIT)
494 /* This cannot be done earlier, we need complete FIT image in RAM first */
495 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
496 if (!fit_check_format (fit_hdr)) {
497 show_boot_progress (-140);
498 puts ("** Bad FIT image format\n");
501 show_boot_progress (141);
502 fit_print_contents (fit_hdr);
506 /* Loading ok, update default load address */
510 /* Check if we should attempt an auto-start */
511 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
513 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
515 local_args[0] = argv[0];
516 local_args[1] = NULL;
518 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
520 do_bootm (cmdtp, 0, 1, local_args);
526 /* ------------------------------------------------------------------------- */
529 __ide_outb(int dev, int port, unsigned char val)
531 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
532 dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
533 outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
535 void ide_outb (int dev, int port, unsigned char val)
536 __attribute__((weak, alias("__ide_outb")));
539 __ide_inb(int dev, int port)
542 val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
543 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
544 dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val);
547 unsigned char ide_inb(int dev, int port)
548 __attribute__((weak, alias("__ide_inb")));
550 #ifdef CONFIG_TUNE_PIO
552 __ide_set_piomode(int pio_mode)
556 int inline ide_set_piomode(int pio_mode)
557 __attribute__((weak, alias("__ide_set_piomode")));
563 #ifdef CONFIG_IDE_8xx_DIRECT
564 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
565 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
569 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
570 unsigned int ata_reset_time = ATA_RESET_TIME;
573 #ifdef CONFIG_AMIGAONEG3SE
574 unsigned int max_bus_scan;
576 #ifdef CONFIG_IDE_8xx_PCCARD
577 extern int pcmcia_on (void);
578 extern int ide_devices_found; /* Initialized in check_ide_device() */
579 #endif /* CONFIG_IDE_8xx_PCCARD */
581 #ifdef CONFIG_IDE_PREINIT
582 extern int ide_preinit (void);
585 if (ide_preinit ()) {
586 puts ("ide_preinit failed\n");
589 #endif /* CONFIG_IDE_PREINIT */
591 #ifdef CONFIG_IDE_8xx_PCCARD
592 extern int pcmcia_on (void);
593 extern int ide_devices_found; /* Initialized in check_ide_device() */
597 ide_devices_found = 0;
598 /* initialize the PCMCIA IDE adapter card */
600 if (!ide_devices_found)
602 udelay (1000000); /* 1 s */
603 #endif /* CONFIG_IDE_8xx_PCCARD */
607 #ifdef CONFIG_IDE_8xx_DIRECT
608 /* Initialize PIO timing tables */
609 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
610 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
612 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
614 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
616 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
618 " hold=%2d ns/%d clk\n",
620 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
621 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
622 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
624 #endif /* CONFIG_IDE_8xx_DIRECT */
626 /* Reset the IDE just to be sure.
627 * Light LED's to show
629 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
630 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
632 #ifdef CONFIG_IDE_8xx_DIRECT
633 /* PCMCIA / IDE initialization for common mem space */
634 pcmp->pcmc_pgcrb = 0;
636 /* start in PIO mode 0 - most relaxed timings */
638 set_pcmcia_timing (pio_mode);
639 #endif /* CONFIG_IDE_8xx_DIRECT */
642 * Wait for IDE to get ready.
643 * According to spec, this can take up to 31 seconds!
645 #ifndef CONFIG_AMIGAONEG3SE
646 for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) {
647 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS);
649 s = getenv("ide_maxbus");
651 max_bus_scan = simple_strtol(s, NULL, 10);
653 max_bus_scan = CONFIG_SYS_IDE_MAXBUS;
655 for (bus=0; bus<max_bus_scan; ++bus) {
656 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / max_bus_scan);
659 #ifdef CONFIG_IDE_8xx_PCCARD
660 /* Skip non-ide devices from probing */
661 if ((ide_devices_found & (1 << bus)) == 0) {
662 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
666 printf ("Bus %d: ", bus);
672 udelay (100000); /* 100 ms */
673 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
674 udelay (100000); /* 100 ms */
675 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
676 if ((s = getenv("ide_reset_timeout")) != NULL)
677 ata_reset_time = simple_strtol(s, NULL, 10);
681 udelay (10000); /* 10 ms */
683 c = ide_inb (dev, ATA_STATUS);
685 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
686 if (i > (ata_reset_time * 100)) {
688 if (i > (ATA_RESET_TIME * 100)) {
690 puts ("** Timeout **\n");
691 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
692 #ifdef CONFIG_AMIGAONEG3SE
693 /* If this is the second bus, the first one was OK */
701 if ((i >= 100) && ((i%100)==0)) {
704 } while (c & ATA_STAT_BUSY);
706 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
707 puts ("not available ");
708 debug ("Status = 0x%02X ", c);
709 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
710 } else if ((c & ATA_STAT_READY) == 0) {
711 puts ("not available ");
712 debug ("Status = 0x%02X ", c);
721 #ifdef CONFIG_AMIGAONEG3SE
726 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
729 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
730 #ifdef CONFIG_IDE_LED
731 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
733 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
734 ide_dev_desc[i].if_type=IF_TYPE_IDE;
735 ide_dev_desc[i].dev=i;
736 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
737 ide_dev_desc[i].blksz=0;
738 ide_dev_desc[i].lba=0;
739 ide_dev_desc[i].block_read=ide_read;
740 if (!ide_bus_ok[IDE_BUS(i)])
742 ide_led (led, 1); /* LED on */
743 ide_ident(&ide_dev_desc[i]);
744 ide_led (led, 0); /* LED off */
745 dev_print(&ide_dev_desc[i]);
747 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
748 init_part (&ide_dev_desc[i]); /* initialize partition type */
756 /* ------------------------------------------------------------------------- */
758 block_dev_desc_t * ide_get_dev(int dev)
760 return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
764 #ifdef CONFIG_IDE_8xx_DIRECT
767 set_pcmcia_timing (int pmode)
769 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
770 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
773 debug ("Set timing for PIO Mode %d\n", pmode);
775 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
776 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
777 | PCMCIA_SL (pio_config_clk[pmode].t_length)
782 pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
783 pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
784 #if (CONFIG_SYS_PCMCIA_POR0 != 0)
788 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
790 pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
791 pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
792 #if (CONFIG_SYS_PCMCIA_POR1 != 0)
796 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
798 pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
799 pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
800 #if (CONFIG_SYS_PCMCIA_POR2 != 0)
804 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
806 pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
807 pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
808 #if (CONFIG_SYS_PCMCIA_POR3 != 0)
812 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
816 pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
817 pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
818 #if (CONFIG_SYS_PCMCIA_POR4 != 0)
822 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
824 pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
825 pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
826 #if (CONFIG_SYS_PCMCIA_POR5 != 0)
830 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
832 pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
833 pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
834 #if (CONFIG_SYS_PCMCIA_POR6 != 0)
838 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
840 pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
841 pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
842 #if (CONFIG_SYS_PCMCIA_POR7 != 0)
846 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
850 #endif /* CONFIG_IDE_8xx_DIRECT */
852 /* ------------------------------------------------------------------------- */
854 /* We only need to swap data if we are running on a big endian cpu. */
855 /* But Au1x00 cpu:s already swaps data in big endian mode! */
856 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
857 #define input_swap_data(x,y,z) input_data(x,y,z)
860 input_swap_data(int dev, ulong *sect_buf, int words)
862 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
864 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
865 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
866 ushort *dbuf = (ushort *)sect_buf;
869 for (i=0; i<2; i++) {
870 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
871 *(uchar *)dbuf = *pbuf_odd;
876 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
877 ushort *dbuf = (ushort *)sect_buf;
879 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
883 *dbuf++ = swab16p((u16*)pbuf);
884 *dbuf++ = swab16p((u16*)pbuf);
885 #elif defined(CONFIG_PCS440EP)
889 *dbuf++ = ld_le16(pbuf);
890 *dbuf++ = ld_le16(pbuf);
895 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
898 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
900 output_data(int dev, ulong *sect_buf, int words)
902 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
904 volatile uchar *pbuf_even;
905 volatile uchar *pbuf_odd;
907 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
908 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
909 dbuf = (uchar *)sect_buf;
912 *pbuf_even = *dbuf++;
916 *pbuf_even = *dbuf++;
922 volatile ushort *pbuf;
924 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
925 dbuf = (ushort *)sect_buf;
927 #if defined(CONFIG_PCS440EP)
928 /* not tested, because CF was write protected */
930 *pbuf = ld_le16(dbuf++);
932 *pbuf = ld_le16(dbuf++);
942 #else /* ! __PPC__ */
944 output_data(int dev, ulong *sect_buf, int words)
946 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
950 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
952 input_data(int dev, ulong *sect_buf, int words)
954 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
956 volatile uchar *pbuf_even;
957 volatile uchar *pbuf_odd;
959 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
960 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
961 dbuf = (uchar *)sect_buf;
963 *dbuf++ = *pbuf_even;
969 *dbuf++ = *pbuf_even;
978 volatile ushort *pbuf;
980 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
981 dbuf = (ushort *)sect_buf;
983 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
986 #if defined(CONFIG_PCS440EP)
988 *dbuf++ = ld_le16(pbuf);
990 *dbuf++ = ld_le16(pbuf);
1000 #else /* ! __PPC__ */
1002 input_data(int dev, ulong *sect_buf, int words)
1004 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1007 #endif /* __PPC__ */
1009 /* -------------------------------------------------------------------------
1011 static void ide_ident (block_dev_desc_t *dev_desc)
1013 ulong iobuf[ATA_SECTORWORDS];
1015 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1017 #ifdef CONFIG_AMIGAONEG3SE
1026 #ifdef CONFIG_TUNE_PIO
1031 int mode, cycle_time;
1034 device=dev_desc->dev;
1035 printf (" Device %d: ", device);
1037 #ifdef CONFIG_AMIGAONEG3SE
1038 s = getenv("ide_maxbus");
1040 max_bus_scan = simple_strtol(s, NULL, 10);
1042 max_bus_scan = CONFIG_SYS_IDE_MAXBUS;
1044 if (device >= max_bus_scan*2) {
1045 dev_desc->type=DEV_TYPE_UNKNOWN;
1050 ide_led (DEVICE_LED(device), 1); /* LED on */
1053 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1054 dev_desc->if_type=IF_TYPE_IDE;
1060 /* Warning: This will be tricky to read */
1061 while (retries <= 1) {
1062 /* check signature */
1063 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1064 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1065 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1066 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1067 /* ATAPI Signature found */
1068 dev_desc->if_type=IF_TYPE_ATAPI;
1069 /* Start Ident Command
1071 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1073 * Wait for completion - ATAPI devices need more time
1076 c = ide_wait (device, ATAPI_TIME_OUT);
1080 /* Start Ident Command
1082 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1084 /* Wait for completion
1086 c = ide_wait (device, IDE_TIME_OUT);
1088 ide_led (DEVICE_LED(device), 0); /* LED off */
1090 if (((c & ATA_STAT_DRQ) == 0) ||
1091 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1093 #ifdef CONFIG_AMIGAONEG3SE
1094 s = getenv("ide_doreset");
1095 if (s && strcmp(s, "on") == 0)
1098 /* Need to soft reset the device in case it's an ATAPI... */
1099 debug ("Retrying...\n");
1100 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1102 ide_outb (device, ATA_COMMAND, 0x08);
1103 udelay (500000); /* 500 ms */
1107 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1116 } /* see above - ugly to read */
1118 if (retries == 2) /* Not found */
1122 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1124 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1125 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1126 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1127 #ifdef __LITTLE_ENDIAN
1129 * firmware revision, model, and serial number have Big Endian Byte
1130 * order in Word. Convert all three to little endian.
1132 * See CF+ and CompactFlash Specification Revision 2.0:
1133 * 6.2.1.6: Identify Drive, Table 39 for more details
1136 strswab (dev_desc->revision);
1137 strswab (dev_desc->vendor);
1138 strswab (dev_desc->product);
1139 #endif /* __LITTLE_ENDIAN */
1141 if ((iop->config & 0x0080)==0x0080)
1142 dev_desc->removable = 1;
1144 dev_desc->removable = 0;
1146 #ifdef CONFIG_TUNE_PIO
1147 /* Mode 0 - 2 only, are directly determined by word 51. */
1148 pio_mode = iop->tPIO;
1150 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1151 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1154 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1155 * shall set bit 1 of word 53 to one and support the fields contained
1156 * in words 64 through 70.
1158 if (iop->field_valid & 0x02) {
1159 /* Mode 3 and above are possible. Check in order from slow
1160 * to fast, so we wind up with the highest mode allowed.
1162 if (iop->eide_pio_modes & 0x01)
1164 if (iop->eide_pio_modes & 0x02)
1166 if (ata_id_is_cfa((u16 *)iop)) {
1167 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1169 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1174 /* System-specific, depends on bus speeds, etc. */
1175 ide_set_piomode(pio_mode);
1176 #endif /* CONFIG_TUNE_PIO */
1180 * Drive PIO mode autoselection
1184 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1185 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1187 debug ("Override tPIO -> 2\n");
1189 if (iop->field_valid & 2) { /* drive implements ATA2? */
1190 debug ("Drive implements ATA2\n");
1191 if (iop->capability & 8) { /* drive supports use_iordy? */
1192 cycle_time = iop->eide_pio_iordy;
1194 cycle_time = iop->eide_pio;
1196 debug ("cycle time = %d\n", cycle_time);
1198 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1199 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1200 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1201 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1203 printf ("PIO mode to use: PIO %d\n", mode);
1207 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1208 atapi_inquiry(dev_desc);
1211 #endif /* CONFIG_ATAPI */
1215 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1216 #else /* ! __BIG_ENDIAN */
1218 * do not swap shorts on little endian
1220 * See CF+ and CompactFlash Specification Revision 2.0:
1221 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1223 dev_desc->lba = iop->lba_capacity;
1224 #endif /* __BIG_ENDIAN */
1227 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1228 dev_desc->lba48 = 1;
1229 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1230 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1231 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1232 ((unsigned long long)iop->lba48_capacity[3] << 48);
1234 dev_desc->lba48 = 0;
1236 #endif /* CONFIG_LBA48 */
1238 dev_desc->type=DEV_TYPE_HARDDISK;
1239 dev_desc->blksz=ATA_BLOCKSIZE;
1240 dev_desc->lun=0; /* just to fill something in... */
1242 #if 0 /* only used to test the powersaving mode,
1243 * if enabled, the drive goes after 5 sec
1244 * in standby mode */
1245 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1246 c = ide_wait (device, IDE_TIME_OUT);
1247 ide_outb (device, ATA_SECT_CNT, 1);
1248 ide_outb (device, ATA_LBA_LOW, 0);
1249 ide_outb (device, ATA_LBA_MID, 0);
1250 ide_outb (device, ATA_LBA_HIGH, 0);
1251 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1252 ide_outb (device, ATA_COMMAND, 0xe3);
1254 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1259 /* ------------------------------------------------------------------------- */
1261 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1265 unsigned char pwrsave=0; /* power save */
1267 unsigned char lba48 = 0;
1269 if (blknr & 0x0000fffff0000000ULL) {
1270 /* more than 28 bits used, use 48bit mode */
1274 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
1275 device, blknr, blkcnt, (ulong)buffer);
1277 ide_led (DEVICE_LED(device), 1); /* LED on */
1281 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1282 c = ide_wait (device, IDE_TIME_OUT);
1284 if (c & ATA_STAT_BUSY) {
1285 printf ("IDE read: device %d not ready\n", device);
1289 /* first check if the drive is in Powersaving mode, if yes,
1290 * increase the timeout value */
1291 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1294 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1296 if (c & ATA_STAT_BUSY) {
1297 printf ("IDE read: device %d not ready\n", device);
1300 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1301 printf ("No Powersaving mode %X\n", c);
1303 c = ide_inb(device,ATA_SECT_CNT);
1304 debug ("Powersaving %02X\n",c);
1310 while (blkcnt-- > 0) {
1312 c = ide_wait (device, IDE_TIME_OUT);
1314 if (c & ATA_STAT_BUSY) {
1315 printf ("IDE read: device %d not ready\n", device);
1320 /* write high bits */
1321 ide_outb (device, ATA_SECT_CNT, 0);
1322 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1323 #ifdef CONFIG_SYS_64BIT_LBA
1324 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1325 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1327 ide_outb (device, ATA_LBA_MID, 0);
1328 ide_outb (device, ATA_LBA_HIGH, 0);
1332 ide_outb (device, ATA_SECT_CNT, 1);
1333 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1334 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1335 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1339 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1340 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1345 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1346 ATA_DEVICE(device) |
1347 ((blknr >> 24) & 0xF) );
1348 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1354 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1357 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1360 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1361 #if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
1362 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1365 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1366 device, (ulong)blknr, c);
1371 input_data (device, buffer, ATA_SECTORWORDS);
1372 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1376 buffer += ATA_BLOCKSIZE;
1379 ide_led (DEVICE_LED(device), 0); /* LED off */
1383 /* ------------------------------------------------------------------------- */
1386 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1391 unsigned char lba48 = 0;
1393 if (blknr & 0x0000fffff0000000ULL) {
1394 /* more than 28 bits used, use 48bit mode */
1399 ide_led (DEVICE_LED(device), 1); /* LED on */
1403 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1405 while (blkcnt-- > 0) {
1407 c = ide_wait (device, IDE_TIME_OUT);
1409 if (c & ATA_STAT_BUSY) {
1410 printf ("IDE read: device %d not ready\n", device);
1415 /* write high bits */
1416 ide_outb (device, ATA_SECT_CNT, 0);
1417 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1418 #ifdef CONFIG_SYS_64BIT_LBA
1419 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1420 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1422 ide_outb (device, ATA_LBA_MID, 0);
1423 ide_outb (device, ATA_LBA_HIGH, 0);
1427 ide_outb (device, ATA_SECT_CNT, 1);
1428 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1429 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1430 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1434 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1435 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1440 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1441 ATA_DEVICE(device) |
1442 ((blknr >> 24) & 0xF) );
1443 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1448 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1450 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1451 #if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
1452 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1455 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1456 device, (ulong)blknr, c);
1461 output_data (device, buffer, ATA_SECTORWORDS);
1462 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1465 buffer += ATA_BLOCKSIZE;
1468 ide_led (DEVICE_LED(device), 0); /* LED off */
1472 /* ------------------------------------------------------------------------- */
1475 * copy src to dest, skipping leading and trailing blanks and null
1476 * terminate the string
1477 * "len" is the size of available memory including the terminating '\0'
1479 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1481 unsigned char *end, *last;
1484 end = src + len - 1;
1486 /* reserve space for '\0' */
1490 /* skip leading white space */
1491 while ((*src) && (src<end) && (*src==' '))
1494 /* copy string, omitting trailing white space */
1495 while ((*src) && (src<end)) {
1504 /* ------------------------------------------------------------------------- */
1507 * Wait until Busy bit is off, or timeout (in ms)
1508 * Return last status
1510 static uchar ide_wait (int dev, ulong t)
1512 ulong delay = 10 * t; /* poll every 100 us */
1515 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1524 /* ------------------------------------------------------------------------- */
1526 #ifdef CONFIG_IDE_RESET
1527 extern void ide_set_reset(int idereset);
1529 static void ide_reset (void)
1531 #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1532 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
1537 for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i)
1539 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i)
1540 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1542 ide_set_reset (1); /* assert reset */
1544 /* the reset signal shall be asserted for et least 25 us */
1549 #ifdef CONFIG_SYS_PB_12V_ENABLE
1550 immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */
1551 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
1552 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
1553 immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE;
1555 /* wait 500 ms for the voltage to stabilize
1557 for (i=0; i<500; ++i) {
1561 immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */
1562 #endif /* CONFIG_SYS_PB_12V_ENABLE */
1564 #ifdef CONFIG_SYS_PB_IDE_MOTOR
1565 /* configure IDE Motor voltage monitor pin as input */
1566 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1567 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1568 immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1570 /* wait up to 1 s for the motor voltage to stabilize
1572 for (i=0; i<1000; ++i) {
1573 if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) {
1579 if (i == 1000) { /* Timeout */
1580 printf ("\nWarning: 5V for IDE Motor missing\n");
1581 # ifdef CONFIG_STATUS_LED
1582 # ifdef STATUS_LED_YELLOW
1583 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1585 # ifdef STATUS_LED_GREEN
1586 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1588 # endif /* CONFIG_STATUS_LED */
1590 #endif /* CONFIG_SYS_PB_IDE_MOTOR */
1594 /* de-assert RESET signal */
1598 for (i=0; i<250; ++i) {
1603 #endif /* CONFIG_IDE_RESET */
1605 /* ------------------------------------------------------------------------- */
1607 #if defined(CONFIG_IDE_LED) && \
1608 !defined(CONFIG_AMIGAONEG3SE)&& \
1609 !defined(CONFIG_CPC45) && \
1610 !defined(CONFIG_HMI10) && \
1611 !defined(CONFIG_KUP4K) && \
1612 !defined(CONFIG_KUP4X)
1614 static uchar led_buffer = 0; /* Buffer for current LED status */
1616 static void ide_led (uchar led, uchar status)
1618 uchar *led_port = LED_PORT;
1620 if (status) { /* switch LED on */
1622 } else { /* switch LED off */
1626 *led_port = led_buffer;
1629 #endif /* CONFIG_IDE_LED */
1631 /* ------------------------------------------------------------------------- */
1634 /****************************************************************************
1638 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1639 /* since ATAPI may use commands with not 4 bytes alligned length
1640 * we have our own transfer functions, 2 bytes alligned */
1642 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1644 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1646 volatile uchar *pbuf_even;
1647 volatile uchar *pbuf_odd;
1649 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1650 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1653 *pbuf_even = *dbuf++;
1655 *pbuf_odd = *dbuf++;
1659 volatile ushort *pbuf;
1661 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1662 dbuf = (ushort *)sect_buf;
1664 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1674 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1676 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1678 volatile uchar *pbuf_even;
1679 volatile uchar *pbuf_odd;
1681 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1682 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1685 *dbuf++ = *pbuf_even;
1687 *dbuf++ = *pbuf_odd;
1691 volatile ushort *pbuf;
1693 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1694 dbuf = (ushort *)sect_buf;
1696 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1705 #else /* ! __PPC__ */
1707 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1709 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1713 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1715 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1718 #endif /* __PPC__ */
1721 * Wait until (Status & mask) == res, or timeout (in ms)
1722 * Return last status
1723 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1724 * and then they set their DRQ Bit
1726 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1728 ulong delay = 10 * t; /* poll every 100 us */
1731 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1732 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1733 /* break if error occurs (doesn't make sense to wait more) */
1734 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1745 * issue an atapi command
1747 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1749 unsigned char c,err,mask,res;
1751 ide_led (DEVICE_LED(device), 1); /* LED on */
1755 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1757 #ifdef CONFIG_AMIGAONEG3SE
1758 # warning THF: Removed LBA mode ???
1760 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1761 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1762 if ((c & mask) != res) {
1763 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1767 /* write taskfile */
1768 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1769 ide_outb (device, ATA_SECT_CNT, 0);
1770 ide_outb (device, ATA_SECT_NUM, 0);
1771 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1772 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1773 #ifdef CONFIG_AMIGAONEG3SE
1774 # warning THF: Removed LBA mode ???
1776 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1778 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1781 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1783 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1785 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1786 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1791 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1792 /* ATAPI Command written wait for completition */
1793 udelay (5000); /* device must set bsy */
1795 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1796 /* if no data wait for DRQ = 0 BSY = 0
1797 * if data wait for DRQ = 1 BSY = 0 */
1801 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1802 if ((c & mask) != res ) {
1803 if (c & ATA_STAT_ERR) {
1804 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1805 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1807 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1812 n=ide_inb(device, ATA_CYL_HIGH);
1814 n+=ide_inb(device, ATA_CYL_LOW);
1816 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1820 if((n==0)&&(buflen<0)) {
1821 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1826 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1828 if(n!=0) { /* data transfer */
1829 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1830 /* we transfer shorts */
1832 /* ok now decide if it is an in or output */
1833 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1834 debug ("Write to device\n");
1835 output_data_shorts(device,(unsigned short *)buffer,n);
1837 debug ("Read from device @ %p shorts %d\n",buffer,n);
1838 input_data_shorts(device,(unsigned short *)buffer,n);
1841 udelay(5000); /* seems that some CD ROMs need this... */
1842 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1844 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1845 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1846 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1847 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1852 ide_led (DEVICE_LED(device), 0); /* LED off */
1857 * sending the command to atapi_issue. If an status other than good
1858 * returns, an request_sense will be issued
1861 #define ATAPI_DRIVE_NOT_READY 100
1862 #define ATAPI_UNIT_ATTN 10
1864 unsigned char atapi_issue_autoreq (int device,
1867 unsigned char *buffer,
1870 unsigned char sense_data[18],sense_ccb[12];
1871 unsigned char res,key,asc,ascq;
1872 int notready,unitattn;
1874 #ifdef CONFIG_AMIGAONEG3SE
1876 unsigned int timeout, retrycnt;
1878 s = getenv("ide_cd_timeout");
1879 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1884 unitattn=ATAPI_UNIT_ATTN;
1885 notready=ATAPI_DRIVE_NOT_READY;
1888 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1890 return (0); /* Ok */
1893 return (0xFF); /* error */
1895 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1897 memset(sense_ccb,0,sizeof(sense_ccb));
1898 memset(sense_data,0,sizeof(sense_data));
1899 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1900 sense_ccb[4]=18; /* allocation Length */
1902 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1903 key=(sense_data[2]&0xF);
1904 asc=(sense_data[12]);
1905 ascq=(sense_data[13]);
1907 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1908 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1915 return 0; /* ok device ready */
1917 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1922 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1925 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1930 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1934 debug ("Media not present\n");
1938 #ifdef CONFIG_AMIGAONEG3SE
1939 if ((sense_data[2]&0xF)==0x0B) {
1940 debug ("ABORTED COMMAND...retry\n");
1946 if ((sense_data[2]&0xf) == 0x02 &&
1947 sense_data[12] == 0x04 &&
1948 sense_data[13] == 0x01 ) {
1949 debug ("Waiting for unit to become active\n");
1955 #endif /* CONFIG_AMIGAONEG3SE */
1957 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1959 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1964 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1966 unsigned char ccb[12]; /* Command descriptor block */
1967 unsigned char iobuf[64]; /* temp buf */
1971 device=dev_desc->dev;
1972 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1973 dev_desc->block_read=atapi_read;
1975 memset(ccb,0,sizeof(ccb));
1976 memset(iobuf,0,sizeof(iobuf));
1978 ccb[0]=ATAPI_CMD_INQUIRY;
1979 ccb[4]=40; /* allocation Legnth */
1980 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1982 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1986 /* copy device ident strings */
1987 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1988 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1989 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1994 dev_desc->type=iobuf[0] & 0x1f;
1996 if ((iobuf[1]&0x80)==0x80)
1997 dev_desc->removable = 1;
1999 dev_desc->removable = 0;
2001 memset(ccb,0,sizeof(ccb));
2002 memset(iobuf,0,sizeof(iobuf));
2003 ccb[0]=ATAPI_CMD_START_STOP;
2004 ccb[4]=0x03; /* start */
2006 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2008 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
2012 memset(ccb,0,sizeof(ccb));
2013 memset(iobuf,0,sizeof(iobuf));
2014 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2016 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2020 memset(ccb,0,sizeof(ccb));
2021 memset(iobuf,0,sizeof(iobuf));
2022 ccb[0]=ATAPI_CMD_READ_CAP;
2023 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2024 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2028 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2029 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2030 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2032 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2033 ((unsigned long)iobuf[1]<<16) +
2034 ((unsigned long)iobuf[2]<< 8) +
2035 ((unsigned long)iobuf[3]);
2036 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2037 ((unsigned long)iobuf[5]<<16) +
2038 ((unsigned long)iobuf[6]<< 8) +
2039 ((unsigned long)iobuf[7]);
2041 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2049 * we transfer only one block per command, since the multiple DRQ per
2050 * command is not yet implemented
2052 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2053 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2054 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2056 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2059 unsigned char ccb[12]; /* Command descriptor block */
2062 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2063 device, blknr, blkcnt, (ulong)buffer);
2066 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2067 cnt=ATAPI_READ_MAX_BLOCK;
2071 ccb[0]=ATAPI_CMD_READ_12;
2072 ccb[1]=0; /* reserved */
2073 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2074 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2075 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2076 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2077 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2078 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2079 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2080 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2081 ccb[10]=0; /* reserved */
2082 ccb[11]=0; /* reserved */
2084 if (atapi_issue_autoreq(device,ccb,12,
2085 (unsigned char *)buffer,
2086 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2092 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2093 } while (blkcnt > 0);
2097 /* ------------------------------------------------------------------------- */
2099 #endif /* CONFIG_ATAPI */
2104 "reset - reset IDE controller\n"
2105 "ide info - show available IDE devices\n"
2106 "ide device [dev] - show or set current device\n"
2107 "ide part [dev] - print partition table of one or all IDE devices\n"
2108 "ide read addr blk# cnt\n"
2109 "ide write addr blk# cnt - read/write `cnt'"
2110 " blocks starting at block `blk#'\n"
2111 " to/from memory address `addr'\n"
2115 diskboot, 3, 1, do_diskboot,
2116 "boot from IDE device",
2117 "loadAddr dev:part\n"