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>
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];
100 #define CFG_PIO_MODE 0 /* use a relaxed default */
102 static int pio_mode = CFG_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[CFG_IDE_MAXBUS] = {
117 #if defined(CFG_ATA_IDE0_OFFSET)
120 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
126 #ifndef CONFIG_AMIGAONEG3SE
127 static int ide_bus_ok[CFG_IDE_MAXBUS];
129 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
132 block_dev_desc_t ide_dev_desc[CFG_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 void inline ide_outb(int dev, int port, unsigned char val);
169 unsigned char inline ide_inb(int dev, int port);
170 static void input_data(int dev, ulong *sect_buf, int words);
171 static void output_data(int dev, ulong *sect_buf, int words);
172 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
174 #ifndef CFG_ATA_PORT_ADDR
175 #define CFG_ATA_PORT_ADDR(port) (port)
179 static void atapi_inquiry(block_dev_desc_t *dev_desc);
180 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
184 #ifdef CONFIG_IDE_8xx_DIRECT
185 static void set_pcmcia_timing (int pmode);
188 /* ------------------------------------------------------------------------- */
190 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
197 printf ("Usage:\n%s\n", cmdtp->usage);
200 if (strncmp(argv[1],"res",3) == 0) {
202 #ifdef CONFIG_IDE_8xx_DIRECT
203 " on PCMCIA " PCMCIA_SLOT_MSG
209 } else if (strncmp(argv[1],"inf",3) == 0) {
214 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
215 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
216 continue; /* list only known devices */
217 printf ("IDE device %d: ", i);
218 dev_print(&ide_dev_desc[i]);
222 } else if (strncmp(argv[1],"dev",3) == 0) {
223 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
224 puts ("\nno IDE devices available\n");
227 printf ("\nIDE device %d: ", curr_device);
228 dev_print(&ide_dev_desc[curr_device]);
230 } else if (strncmp(argv[1],"part",4) == 0) {
233 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
234 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
238 print_part(&ide_dev_desc[dev]);
242 puts ("\nno IDE devices available\n");
247 printf ("Usage:\n%s\n", cmdtp->usage);
250 if (strncmp(argv[1],"dev",3) == 0) {
251 int dev = (int)simple_strtoul(argv[2], NULL, 10);
253 printf ("\nIDE device %d: ", dev);
254 if (dev >= CFG_IDE_MAXDEVICE) {
255 puts ("unknown device\n");
258 dev_print(&ide_dev_desc[dev]);
261 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
267 puts ("... is now current device\n");
270 } else if (strncmp(argv[1],"part",4) == 0) {
271 int dev = (int)simple_strtoul(argv[2], NULL, 10);
273 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
274 print_part(&ide_dev_desc[dev]);
276 printf ("\nIDE device %d not available\n", dev);
281 } else if (strncmp(argv[1],"pio",4) == 0) {
282 int mode = (int)simple_strtoul(argv[2], NULL, 10);
284 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
289 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
290 mode, IDE_MAX_PIO_MODE);
296 printf ("Usage:\n%s\n", cmdtp->usage);
299 /* at least 4 args */
301 if (strcmp(argv[1],"read") == 0) {
302 ulong addr = simple_strtoul(argv[2], NULL, 16);
303 ulong cnt = simple_strtoul(argv[4], NULL, 16);
305 #ifdef CFG_64BIT_STRTOUL
306 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
308 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
309 curr_device, blk, cnt);
311 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
313 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
314 curr_device, blk, cnt);
317 n = ide_dev_desc[curr_device].block_read (curr_device,
320 /* flush cache after read */
321 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
323 printf ("%ld blocks read: %s\n",
324 n, (n==cnt) ? "OK" : "ERROR");
330 } else if (strcmp(argv[1],"write") == 0) {
331 ulong addr = simple_strtoul(argv[2], NULL, 16);
332 ulong cnt = simple_strtoul(argv[4], NULL, 16);
334 #ifdef CFG_64BIT_STRTOUL
335 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
337 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
338 curr_device, blk, cnt);
340 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
342 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
343 curr_device, blk, cnt);
346 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
348 printf ("%ld blocks written: %s\n",
349 n, (n==cnt) ? "OK" : "ERROR");
356 printf ("Usage:\n%s\n", cmdtp->usage);
364 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
366 char *boot_device = NULL;
370 disk_partition_t info;
374 show_boot_progress (41);
377 addr = CFG_LOAD_ADDR;
378 boot_device = getenv ("bootdevice");
381 addr = simple_strtoul(argv[1], NULL, 16);
382 boot_device = getenv ("bootdevice");
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = argv[2];
389 printf ("Usage:\n%s\n", cmdtp->usage);
390 show_boot_progress (-42);
393 show_boot_progress (42);
396 puts ("\n** No boot device **\n");
397 show_boot_progress (-43);
400 show_boot_progress (43);
402 dev = simple_strtoul(boot_device, &ep, 16);
404 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
405 printf ("\n** Device %d not available\n", dev);
406 show_boot_progress (-44);
409 show_boot_progress (44);
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 show_boot_progress (-45);
417 part = simple_strtoul(++ep, NULL, 16);
419 show_boot_progress (45);
420 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
421 show_boot_progress (-46);
424 show_boot_progress (46);
425 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
426 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
427 printf ("\n** Invalid partition type \"%.32s\""
428 " (expect \"" BOOT_PART_TYPE "\")\n",
430 show_boot_progress (-47);
433 show_boot_progress (47);
435 printf ("\nLoading from IDE device %d, partition %d: "
436 "Name: %.32s Type: %.32s\n",
437 dev, part, info.name, info.type);
439 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
440 info.start, info.size, info.blksz);
442 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
443 printf ("** Read error on %d:%d\n", dev, part);
444 show_boot_progress (-48);
447 show_boot_progress (48);
449 switch (gen_image_get_format ((void *)addr)) {
450 case IMAGE_FORMAT_LEGACY:
451 hdr = (image_header_t *)addr;
453 if (!image_check_magic (hdr)) {
454 printf("\n** Bad Magic Number **\n");
455 show_boot_progress (-49);
458 show_boot_progress (49);
460 if (!image_check_hcrc (hdr)) {
461 puts ("\n** Bad Header Checksum **\n");
462 show_boot_progress (-50);
465 show_boot_progress (50);
467 image_print_contents (hdr);
469 cnt = image_get_image_size (hdr);
471 #if defined(CONFIG_FIT)
472 case IMAGE_FORMAT_FIT:
473 fit_unsupported ("diskboot");
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);
494 /* Loading ok, update default load address */
498 /* Check if we should attempt an auto-start */
499 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
501 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
503 local_args[0] = argv[0];
504 local_args[1] = NULL;
506 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
508 do_bootm (cmdtp, 0, 1, local_args);
514 /* ------------------------------------------------------------------------- */
519 #ifdef CONFIG_IDE_8xx_DIRECT
520 volatile immap_t *immr = (immap_t *)CFG_IMMR;
521 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
525 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
526 unsigned int ata_reset_time = ATA_RESET_TIME;
529 #ifdef CONFIG_AMIGAONEG3SE
530 unsigned int max_bus_scan;
532 #ifdef CONFIG_IDE_8xx_PCCARD
533 extern int pcmcia_on (void);
534 extern int ide_devices_found; /* Initialized in check_ide_device() */
535 #endif /* CONFIG_IDE_8xx_PCCARD */
537 #ifdef CONFIG_IDE_PREINIT
538 extern int ide_preinit (void);
541 if (ide_preinit ()) {
542 puts ("ide_preinit failed\n");
545 #endif /* CONFIG_IDE_PREINIT */
547 #ifdef CONFIG_IDE_8xx_PCCARD
548 extern int pcmcia_on (void);
549 extern int ide_devices_found; /* Initialized in check_ide_device() */
553 ide_devices_found = 0;
554 /* initialize the PCMCIA IDE adapter card */
556 if (!ide_devices_found)
558 udelay (1000000); /* 1 s */
559 #endif /* CONFIG_IDE_8xx_PCCARD */
563 #ifdef CONFIG_IDE_8xx_DIRECT
564 /* Initialize PIO timing tables */
565 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
566 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
568 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
570 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
572 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
574 " hold=%2d ns/%d clk\n",
576 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
577 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
578 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
580 #endif /* CONFIG_IDE_8xx_DIRECT */
582 /* Reset the IDE just to be sure.
583 * Light LED's to show
585 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
586 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
588 #ifdef CONFIG_IDE_8xx_DIRECT
589 /* PCMCIA / IDE initialization for common mem space */
590 pcmp->pcmc_pgcrb = 0;
592 /* start in PIO mode 0 - most relaxed timings */
594 set_pcmcia_timing (pio_mode);
595 #endif /* CONFIG_IDE_8xx_DIRECT */
598 * Wait for IDE to get ready.
599 * According to spec, this can take up to 31 seconds!
601 #ifndef CONFIG_AMIGAONEG3SE
602 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
603 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
605 s = getenv("ide_maxbus");
607 max_bus_scan = simple_strtol(s, NULL, 10);
609 max_bus_scan = CFG_IDE_MAXBUS;
611 for (bus=0; bus<max_bus_scan; ++bus) {
612 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
615 #ifdef CONFIG_IDE_8xx_PCCARD
616 /* Skip non-ide devices from probing */
617 if ((ide_devices_found & (1 << bus)) == 0) {
618 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
622 printf ("Bus %d: ", bus);
628 udelay (100000); /* 100 ms */
629 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
630 udelay (100000); /* 100 ms */
631 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
632 if ((s = getenv("ide_reset_timeout")) != NULL)
633 ata_reset_time = simple_strtol(s, NULL, 10);
637 udelay (10000); /* 10 ms */
639 c = ide_inb (dev, ATA_STATUS);
641 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
642 if (i > (ata_reset_time * 100)) {
644 if (i > (ATA_RESET_TIME * 100)) {
646 puts ("** Timeout **\n");
647 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
648 #ifdef CONFIG_AMIGAONEG3SE
649 /* If this is the second bus, the first one was OK */
657 if ((i >= 100) && ((i%100)==0)) {
660 } while (c & ATA_STAT_BUSY);
662 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
663 puts ("not available ");
664 debug ("Status = 0x%02X ", c);
665 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
666 } else if ((c & ATA_STAT_READY) == 0) {
667 puts ("not available ");
668 debug ("Status = 0x%02X ", c);
677 #ifdef CONFIG_AMIGAONEG3SE
682 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
685 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
686 #ifdef CONFIG_IDE_LED
687 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
689 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
690 ide_dev_desc[i].if_type=IF_TYPE_IDE;
691 ide_dev_desc[i].dev=i;
692 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
693 ide_dev_desc[i].blksz=0;
694 ide_dev_desc[i].lba=0;
695 ide_dev_desc[i].block_read=ide_read;
696 if (!ide_bus_ok[IDE_BUS(i)])
698 ide_led (led, 1); /* LED on */
699 ide_ident(&ide_dev_desc[i]);
700 ide_led (led, 0); /* LED off */
701 dev_print(&ide_dev_desc[i]);
703 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
704 init_part (&ide_dev_desc[i]); /* initialize partition type */
712 /* ------------------------------------------------------------------------- */
714 block_dev_desc_t * ide_get_dev(int dev)
716 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
720 #ifdef CONFIG_IDE_8xx_DIRECT
723 set_pcmcia_timing (int pmode)
725 volatile immap_t *immr = (immap_t *)CFG_IMMR;
726 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
729 debug ("Set timing for PIO Mode %d\n", pmode);
731 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
732 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
733 | PCMCIA_SL (pio_config_clk[pmode].t_length)
738 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
739 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
740 #if (CFG_PCMCIA_POR0 != 0)
744 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
746 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
747 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
748 #if (CFG_PCMCIA_POR1 != 0)
752 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
754 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
755 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
756 #if (CFG_PCMCIA_POR2 != 0)
760 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
762 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
763 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
764 #if (CFG_PCMCIA_POR3 != 0)
768 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
772 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
773 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
774 #if (CFG_PCMCIA_POR4 != 0)
778 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
780 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
781 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
782 #if (CFG_PCMCIA_POR5 != 0)
786 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
788 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
789 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
790 #if (CFG_PCMCIA_POR6 != 0)
794 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
796 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
797 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
798 #if (CFG_PCMCIA_POR7 != 0)
802 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
806 #endif /* CONFIG_IDE_8xx_DIRECT */
808 /* ------------------------------------------------------------------------- */
811 __ide_outb(int dev, int port, unsigned char val)
813 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
814 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
815 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
817 void inline ide_outb (int dev, int port, unsigned char val)
818 __attribute__((weak, alias("__ide_outb")));
821 __ide_inb(int dev, int port)
824 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
825 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
826 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
829 unsigned char inline ide_inb(int dev, int port)
830 __attribute__((weak, alias("__ide_inb")));
833 # ifdef CONFIG_AMIGAONEG3SE
835 output_data_short(int dev, ulong *sect_buf, int words)
838 volatile ushort *pbuf;
840 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
841 dbuf = (ushort *)sect_buf;
851 # endif /* CONFIG_AMIGAONEG3SE */
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 #ifdef CONFIG_AMIGAONEG3SE
1011 input_data_short(int dev, ulong *sect_buf, int words)
1014 volatile ushort *pbuf;
1016 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1017 dbuf = (ushort *)sect_buf;
1031 /* -------------------------------------------------------------------------
1033 static void ide_ident (block_dev_desc_t *dev_desc)
1035 ulong iobuf[ATA_SECTORWORDS];
1037 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1039 #ifdef CONFIG_AMIGAONEG3SE
1049 int mode, cycle_time;
1052 device=dev_desc->dev;
1053 printf (" Device %d: ", device);
1055 #ifdef CONFIG_AMIGAONEG3SE
1056 s = getenv("ide_maxbus");
1058 max_bus_scan = simple_strtol(s, NULL, 10);
1060 max_bus_scan = CFG_IDE_MAXBUS;
1062 if (device >= max_bus_scan*2) {
1063 dev_desc->type=DEV_TYPE_UNKNOWN;
1068 ide_led (DEVICE_LED(device), 1); /* LED on */
1071 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1072 dev_desc->if_type=IF_TYPE_IDE;
1078 /* Warning: This will be tricky to read */
1079 while (retries <= 1) {
1080 /* check signature */
1081 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1082 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1083 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1084 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1085 /* ATAPI Signature found */
1086 dev_desc->if_type=IF_TYPE_ATAPI;
1087 /* Start Ident Command
1089 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1091 * Wait for completion - ATAPI devices need more time
1094 c = ide_wait (device, ATAPI_TIME_OUT);
1098 /* Start Ident Command
1100 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1102 /* Wait for completion
1104 c = ide_wait (device, IDE_TIME_OUT);
1106 ide_led (DEVICE_LED(device), 0); /* LED off */
1108 if (((c & ATA_STAT_DRQ) == 0) ||
1109 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1111 #ifdef CONFIG_AMIGAONEG3SE
1112 s = getenv("ide_doreset");
1113 if (s && strcmp(s, "on") == 0)
1116 /* Need to soft reset the device in case it's an ATAPI... */
1117 debug ("Retrying...\n");
1118 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1120 ide_outb (device, ATA_COMMAND, 0x08);
1121 udelay (500000); /* 500 ms */
1125 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1134 } /* see above - ugly to read */
1136 if (retries == 2) /* Not found */
1140 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1142 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1143 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1144 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1145 #ifdef __LITTLE_ENDIAN
1147 * firmware revision and model number have Big Endian Byte
1148 * order in Word. Convert both to little endian.
1150 * See CF+ and CompactFlash Specification Revision 2.0:
1151 * 6.2.1.6: Identfy Drive, Table 39 for more details
1154 strswab (dev_desc->revision);
1155 strswab (dev_desc->vendor);
1156 #endif /* __LITTLE_ENDIAN */
1158 if ((iop->config & 0x0080)==0x0080)
1159 dev_desc->removable = 1;
1161 dev_desc->removable = 0;
1165 * Drive PIO mode autoselection
1169 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1170 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1172 debug ("Override tPIO -> 2\n");
1174 if (iop->field_valid & 2) { /* drive implements ATA2? */
1175 debug ("Drive implements ATA2\n");
1176 if (iop->capability & 8) { /* drive supports use_iordy? */
1177 cycle_time = iop->eide_pio_iordy;
1179 cycle_time = iop->eide_pio;
1181 debug ("cycle time = %d\n", cycle_time);
1183 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1184 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1185 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1186 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1188 printf ("PIO mode to use: PIO %d\n", mode);
1192 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1193 atapi_inquiry(dev_desc);
1196 #endif /* CONFIG_ATAPI */
1200 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1201 #else /* ! __BIG_ENDIAN */
1203 * do not swap shorts on little endian
1205 * See CF+ and CompactFlash Specification Revision 2.0:
1206 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1208 dev_desc->lba = iop->lba_capacity;
1209 #endif /* __BIG_ENDIAN */
1212 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1213 dev_desc->lba48 = 1;
1214 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1215 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1216 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1217 ((unsigned long long)iop->lba48_capacity[3] << 48);
1219 dev_desc->lba48 = 0;
1221 #endif /* CONFIG_LBA48 */
1223 dev_desc->type=DEV_TYPE_HARDDISK;
1224 dev_desc->blksz=ATA_BLOCKSIZE;
1225 dev_desc->lun=0; /* just to fill something in... */
1227 #if 0 /* only used to test the powersaving mode,
1228 * if enabled, the drive goes after 5 sec
1229 * in standby mode */
1230 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1231 c = ide_wait (device, IDE_TIME_OUT);
1232 ide_outb (device, ATA_SECT_CNT, 1);
1233 ide_outb (device, ATA_LBA_LOW, 0);
1234 ide_outb (device, ATA_LBA_MID, 0);
1235 ide_outb (device, ATA_LBA_HIGH, 0);
1236 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1237 ide_outb (device, ATA_COMMAND, 0xe3);
1239 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1244 /* ------------------------------------------------------------------------- */
1246 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1250 unsigned char pwrsave=0; /* power save */
1252 unsigned char lba48 = 0;
1254 if (blknr & 0x0000fffff0000000) {
1255 /* more than 28 bits used, use 48bit mode */
1259 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1260 device, blknr, blkcnt, (ulong)buffer);
1262 ide_led (DEVICE_LED(device), 1); /* LED on */
1266 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1267 c = ide_wait (device, IDE_TIME_OUT);
1269 if (c & ATA_STAT_BUSY) {
1270 printf ("IDE read: device %d not ready\n", device);
1274 /* first check if the drive is in Powersaving mode, if yes,
1275 * increase the timeout value */
1276 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1279 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1281 if (c & ATA_STAT_BUSY) {
1282 printf ("IDE read: device %d not ready\n", device);
1285 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1286 printf ("No Powersaving mode %X\n", c);
1288 c = ide_inb(device,ATA_SECT_CNT);
1289 debug ("Powersaving %02X\n",c);
1295 while (blkcnt-- > 0) {
1297 c = ide_wait (device, IDE_TIME_OUT);
1299 if (c & ATA_STAT_BUSY) {
1300 printf ("IDE read: device %d not ready\n", device);
1305 /* write high bits */
1306 ide_outb (device, ATA_SECT_CNT, 0);
1307 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1308 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1309 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1312 ide_outb (device, ATA_SECT_CNT, 1);
1313 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1314 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1315 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1319 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1320 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1325 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1326 ATA_DEVICE(device) |
1327 ((blknr >> 24) & 0xF) );
1328 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1334 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1337 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1340 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1341 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1342 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1345 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1346 device, (ulong)blknr, c);
1351 input_data (device, buffer, ATA_SECTORWORDS);
1352 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1356 buffer += ATA_BLOCKSIZE;
1359 ide_led (DEVICE_LED(device), 0); /* LED off */
1363 /* ------------------------------------------------------------------------- */
1366 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1371 unsigned char lba48 = 0;
1373 if (blknr & 0x0000fffff0000000) {
1374 /* more than 28 bits used, use 48bit mode */
1379 ide_led (DEVICE_LED(device), 1); /* LED on */
1383 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1385 while (blkcnt-- > 0) {
1387 c = ide_wait (device, IDE_TIME_OUT);
1389 if (c & ATA_STAT_BUSY) {
1390 printf ("IDE read: device %d not ready\n", device);
1395 /* write high bits */
1396 ide_outb (device, ATA_SECT_CNT, 0);
1397 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1398 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1399 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1402 ide_outb (device, ATA_SECT_CNT, 1);
1403 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1404 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1405 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1409 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1410 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1415 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1416 ATA_DEVICE(device) |
1417 ((blknr >> 24) & 0xF) );
1418 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1423 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1425 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1426 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1427 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1430 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1431 device, (ulong)blknr, c);
1436 output_data (device, buffer, ATA_SECTORWORDS);
1437 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1440 buffer += ATA_BLOCKSIZE;
1443 ide_led (DEVICE_LED(device), 0); /* LED off */
1447 /* ------------------------------------------------------------------------- */
1450 * copy src to dest, skipping leading and trailing blanks and null
1451 * terminate the string
1452 * "len" is the size of available memory including the terminating '\0'
1454 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1456 unsigned char *end, *last;
1459 end = src + len - 1;
1461 /* reserve space for '\0' */
1465 /* skip leading white space */
1466 while ((*src) && (src<end) && (*src==' '))
1469 /* copy string, omitting trailing white space */
1470 while ((*src) && (src<end)) {
1479 /* ------------------------------------------------------------------------- */
1482 * Wait until Busy bit is off, or timeout (in ms)
1483 * Return last status
1485 static uchar ide_wait (int dev, ulong t)
1487 ulong delay = 10 * t; /* poll every 100 us */
1490 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1499 /* ------------------------------------------------------------------------- */
1501 #ifdef CONFIG_IDE_RESET
1502 extern void ide_set_reset(int idereset);
1504 static void ide_reset (void)
1506 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1507 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1512 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1514 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1515 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1517 ide_set_reset (1); /* assert reset */
1521 #ifdef CFG_PB_12V_ENABLE
1522 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1523 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1524 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1525 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1527 /* wait 500 ms for the voltage to stabilize
1529 for (i=0; i<500; ++i) {
1533 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1534 #endif /* CFG_PB_12V_ENABLE */
1536 #ifdef CFG_PB_IDE_MOTOR
1537 /* configure IDE Motor voltage monitor pin as input */
1538 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1539 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1540 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1542 /* wait up to 1 s for the motor voltage to stabilize
1544 for (i=0; i<1000; ++i) {
1545 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1551 if (i == 1000) { /* Timeout */
1552 printf ("\nWarning: 5V for IDE Motor missing\n");
1553 # ifdef CONFIG_STATUS_LED
1554 # ifdef STATUS_LED_YELLOW
1555 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1557 # ifdef STATUS_LED_GREEN
1558 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1560 # endif /* CONFIG_STATUS_LED */
1562 #endif /* CFG_PB_IDE_MOTOR */
1566 /* de-assert RESET signal */
1570 for (i=0; i<250; ++i) {
1575 #endif /* CONFIG_IDE_RESET */
1577 /* ------------------------------------------------------------------------- */
1579 #if defined(CONFIG_IDE_LED) && \
1580 !defined(CONFIG_AMIGAONEG3SE)&& \
1581 !defined(CONFIG_CPC45) && \
1582 !defined(CONFIG_HMI10) && \
1583 !defined(CONFIG_KUP4K) && \
1584 !defined(CONFIG_KUP4X)
1586 static uchar led_buffer = 0; /* Buffer for current LED status */
1588 static void ide_led (uchar led, uchar status)
1590 uchar *led_port = LED_PORT;
1592 if (status) { /* switch LED on */
1594 } else { /* switch LED off */
1598 *led_port = led_buffer;
1601 #endif /* CONFIG_IDE_LED */
1603 /* ------------------------------------------------------------------------- */
1606 /****************************************************************************
1610 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1611 /* since ATAPI may use commands with not 4 bytes alligned length
1612 * we have our own transfer functions, 2 bytes alligned */
1614 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1616 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1618 volatile uchar *pbuf_even;
1619 volatile uchar *pbuf_odd;
1621 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1622 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1625 *pbuf_even = *dbuf++;
1627 *pbuf_odd = *dbuf++;
1631 volatile ushort *pbuf;
1633 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1634 dbuf = (ushort *)sect_buf;
1636 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1646 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1648 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1650 volatile uchar *pbuf_even;
1651 volatile uchar *pbuf_odd;
1653 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1654 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1657 *dbuf++ = *pbuf_even;
1659 *dbuf++ = *pbuf_odd;
1663 volatile ushort *pbuf;
1665 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1666 dbuf = (ushort *)sect_buf;
1668 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1677 #else /* ! __PPC__ */
1679 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1681 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1685 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1687 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1690 #endif /* __PPC__ */
1693 * Wait until (Status & mask) == res, or timeout (in ms)
1694 * Return last status
1695 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1696 * and then they set their DRQ Bit
1698 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1700 ulong delay = 10 * t; /* poll every 100 us */
1703 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1704 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1705 /* break if error occurs (doesn't make sense to wait more) */
1706 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1717 * issue an atapi command
1719 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1721 unsigned char c,err,mask,res;
1723 ide_led (DEVICE_LED(device), 1); /* LED on */
1727 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1729 #ifdef CONFIG_AMIGAONEG3SE
1730 # warning THF: Removed LBA mode ???
1732 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1733 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1734 if ((c & mask) != res) {
1735 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1739 /* write taskfile */
1740 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1741 ide_outb (device, ATA_SECT_CNT, 0);
1742 ide_outb (device, ATA_SECT_NUM, 0);
1743 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1744 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1745 #ifdef CONFIG_AMIGAONEG3SE
1746 # warning THF: Removed LBA mode ???
1748 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1750 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1753 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1755 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1757 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1758 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1763 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1764 /* ATAPI Command written wait for completition */
1765 udelay (5000); /* device must set bsy */
1767 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1768 /* if no data wait for DRQ = 0 BSY = 0
1769 * if data wait for DRQ = 1 BSY = 0 */
1773 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1774 if ((c & mask) != res ) {
1775 if (c & ATA_STAT_ERR) {
1776 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1777 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1779 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1784 n=ide_inb(device, ATA_CYL_HIGH);
1786 n+=ide_inb(device, ATA_CYL_LOW);
1788 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1792 if((n==0)&&(buflen<0)) {
1793 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1798 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1800 if(n!=0) { /* data transfer */
1801 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1802 /* we transfer shorts */
1804 /* ok now decide if it is an in or output */
1805 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1806 debug ("Write to device\n");
1807 output_data_shorts(device,(unsigned short *)buffer,n);
1809 debug ("Read from device @ %p shorts %d\n",buffer,n);
1810 input_data_shorts(device,(unsigned short *)buffer,n);
1813 udelay(5000); /* seems that some CD ROMs need this... */
1814 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1816 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1817 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1818 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1819 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1824 ide_led (DEVICE_LED(device), 0); /* LED off */
1829 * sending the command to atapi_issue. If an status other than good
1830 * returns, an request_sense will be issued
1833 #define ATAPI_DRIVE_NOT_READY 100
1834 #define ATAPI_UNIT_ATTN 10
1836 unsigned char atapi_issue_autoreq (int device,
1839 unsigned char *buffer,
1842 unsigned char sense_data[18],sense_ccb[12];
1843 unsigned char res,key,asc,ascq;
1844 int notready,unitattn;
1846 #ifdef CONFIG_AMIGAONEG3SE
1848 unsigned int timeout, retrycnt;
1850 s = getenv("ide_cd_timeout");
1851 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1856 unitattn=ATAPI_UNIT_ATTN;
1857 notready=ATAPI_DRIVE_NOT_READY;
1860 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1862 return (0); /* Ok */
1865 return (0xFF); /* error */
1867 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1869 memset(sense_ccb,0,sizeof(sense_ccb));
1870 memset(sense_data,0,sizeof(sense_data));
1871 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1872 sense_ccb[4]=18; /* allocation Length */
1874 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1875 key=(sense_data[2]&0xF);
1876 asc=(sense_data[12]);
1877 ascq=(sense_data[13]);
1879 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1880 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1887 return 0; /* ok device ready */
1889 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1894 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1897 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1902 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1906 debug ("Media not present\n");
1910 #ifdef CONFIG_AMIGAONEG3SE
1911 if ((sense_data[2]&0xF)==0x0B) {
1912 debug ("ABORTED COMMAND...retry\n");
1918 if ((sense_data[2]&0xf) == 0x02 &&
1919 sense_data[12] == 0x04 &&
1920 sense_data[13] == 0x01 ) {
1921 debug ("Waiting for unit to become active\n");
1927 #endif /* CONFIG_AMIGAONEG3SE */
1929 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1931 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1936 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1938 unsigned char ccb[12]; /* Command descriptor block */
1939 unsigned char iobuf[64]; /* temp buf */
1943 device=dev_desc->dev;
1944 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1945 dev_desc->block_read=atapi_read;
1947 memset(ccb,0,sizeof(ccb));
1948 memset(iobuf,0,sizeof(iobuf));
1950 ccb[0]=ATAPI_CMD_INQUIRY;
1951 ccb[4]=40; /* allocation Legnth */
1952 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1954 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1958 /* copy device ident strings */
1959 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1960 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1961 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1966 dev_desc->type=iobuf[0] & 0x1f;
1968 if ((iobuf[1]&0x80)==0x80)
1969 dev_desc->removable = 1;
1971 dev_desc->removable = 0;
1973 memset(ccb,0,sizeof(ccb));
1974 memset(iobuf,0,sizeof(iobuf));
1975 ccb[0]=ATAPI_CMD_START_STOP;
1976 ccb[4]=0x03; /* start */
1978 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1980 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1984 memset(ccb,0,sizeof(ccb));
1985 memset(iobuf,0,sizeof(iobuf));
1986 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1988 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1992 memset(ccb,0,sizeof(ccb));
1993 memset(iobuf,0,sizeof(iobuf));
1994 ccb[0]=ATAPI_CMD_READ_CAP;
1995 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1996 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2000 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2001 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2002 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2004 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2005 ((unsigned long)iobuf[1]<<16) +
2006 ((unsigned long)iobuf[2]<< 8) +
2007 ((unsigned long)iobuf[3]);
2008 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2009 ((unsigned long)iobuf[5]<<16) +
2010 ((unsigned long)iobuf[6]<< 8) +
2011 ((unsigned long)iobuf[7]);
2013 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2021 * we transfer only one block per command, since the multiple DRQ per
2022 * command is not yet implemented
2024 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2025 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2026 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2028 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2031 unsigned char ccb[12]; /* Command descriptor block */
2034 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2035 device, blknr, blkcnt, (ulong)buffer);
2038 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2039 cnt=ATAPI_READ_MAX_BLOCK;
2043 ccb[0]=ATAPI_CMD_READ_12;
2044 ccb[1]=0; /* reserved */
2045 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2046 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2047 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2048 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2049 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2050 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2051 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2052 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2053 ccb[10]=0; /* reserved */
2054 ccb[11]=0; /* reserved */
2056 if (atapi_issue_autoreq(device,ccb,12,
2057 (unsigned char *)buffer,
2058 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2064 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2065 } while (blkcnt > 0);
2069 /* ------------------------------------------------------------------------- */
2071 #endif /* CONFIG_ATAPI */
2075 "ide - IDE sub-system\n",
2076 "reset - reset IDE controller\n"
2077 "ide info - show available IDE devices\n"
2078 "ide device [dev] - show or set current device\n"
2079 "ide part [dev] - print partition table of one or all IDE devices\n"
2080 "ide read addr blk# cnt\n"
2081 "ide write addr blk# cnt - read/write `cnt'"
2082 " blocks starting at block `blk#'\n"
2083 " to/from memory address `addr'\n"
2087 diskboot, 3, 1, do_diskboot,
2088 "diskboot- boot from IDE device\n",
2089 "loadAddr dev:part\n"