2 * (C) Copyright 2000-2002
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>
34 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
51 /* Macros depend on this variable */
52 static unsigned long mips_io_port_base = 0;
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
60 # define SHOW_BOOT_PROGRESS(arg)
68 #define PRINTF(fmt,args...) printf (fmt ,##args)
70 #define PRINTF(fmt,args...)
73 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
75 #ifdef CONFIG_IDE_8xx_DIRECT
76 /* Timings for IDE Interface
78 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
79 * 70 165 30 PIO-Mode 0, [ns]
81 * 50 125 20 PIO-Mode 1, [ns]
83 * 30 100 15 PIO-Mode 2, [ns]
85 * 30 80 10 PIO-Mode 3, [ns]
87 * 25 70 10 PIO-Mode 4, [ns]
91 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
93 /* Setup Length Hold */
94 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
95 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
96 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
97 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
98 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
101 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
104 #define CFG_PIO_MODE 0 /* use a relaxed default */
106 static int pio_mode = CFG_PIO_MODE;
108 /* Make clock cycles and always round up */
110 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
112 #endif /* CONFIG_IDE_8xx_DIRECT */
114 /* ------------------------------------------------------------------------- */
116 /* Current I/O Device */
117 static int curr_device = -1;
119 /* Current offset for IDE0 / IDE1 bus access */
120 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
121 #if defined(CFG_ATA_IDE0_OFFSET)
124 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
130 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
143 static void ide_led (uchar led, uchar status);
145 extern void ide_led (uchar led, uchar status);
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
151 extern void ide_led(uchar led, uchar status);
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
162 #define ide_reset() /* dummy */
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
174 static void __inline__ ide_outb(int dev, int port, unsigned char val);
175 static unsigned char __inline__ ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
182 static void atapi_inquiry(block_dev_desc_t *dev_desc);
183 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
187 #ifdef CONFIG_IDE_8xx_DIRECT
188 static void set_pcmcia_timing (int pmode);
191 /* ------------------------------------------------------------------------- */
193 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
200 printf ("Usage:\n%s\n", cmdtp->usage);
203 if (strncmp(argv[1],"res",3) == 0) {
205 #ifdef CONFIG_IDE_8xx_DIRECT
206 " on PCMCIA " PCMCIA_SLOT_MSG
212 } else if (strncmp(argv[1],"inf",3) == 0) {
217 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
218 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
219 continue; /* list only known devices */
220 printf ("IDE device %d: ", i);
221 dev_print(&ide_dev_desc[i]);
225 } else if (strncmp(argv[1],"dev",3) == 0) {
226 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
227 puts ("\nno IDE devices available\n");
230 printf ("\nIDE device %d: ", curr_device);
231 dev_print(&ide_dev_desc[curr_device]);
233 } else if (strncmp(argv[1],"part",4) == 0) {
236 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
237 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
241 print_part(&ide_dev_desc[dev]);
245 puts ("\nno IDE devices available\n");
250 printf ("Usage:\n%s\n", cmdtp->usage);
253 if (strncmp(argv[1],"dev",3) == 0) {
254 int dev = (int)simple_strtoul(argv[2], NULL, 10);
256 printf ("\nIDE device %d: ", dev);
257 if (dev >= CFG_IDE_MAXDEVICE) {
258 puts ("unknown device\n");
261 dev_print(&ide_dev_desc[dev]);
264 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
270 puts ("... is now current device\n");
273 } else if (strncmp(argv[1],"part",4) == 0) {
274 int dev = (int)simple_strtoul(argv[2], NULL, 10);
276 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
277 print_part(&ide_dev_desc[dev]);
279 printf ("\nIDE device %d not available\n", dev);
284 } else if (strncmp(argv[1],"pio",4) == 0) {
285 int mode = (int)simple_strtoul(argv[2], NULL, 10);
287 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
292 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
293 mode, IDE_MAX_PIO_MODE);
299 printf ("Usage:\n%s\n", cmdtp->usage);
302 /* at least 4 args */
304 if (strcmp(argv[1],"read") == 0) {
305 ulong addr = simple_strtoul(argv[2], NULL, 16);
306 ulong cnt = simple_strtoul(argv[4], NULL, 16);
308 #ifdef CFG_64BIT_STRTOUL
309 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
311 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
312 curr_device, blk, cnt);
314 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
316 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
317 curr_device, blk, cnt);
320 n = ide_dev_desc[curr_device].block_read (curr_device,
323 /* flush cache after read */
324 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
326 printf ("%ld blocks read: %s\n",
327 n, (n==cnt) ? "OK" : "ERROR");
333 } else if (strcmp(argv[1],"write") == 0) {
334 ulong addr = simple_strtoul(argv[2], NULL, 16);
335 ulong cnt = simple_strtoul(argv[4], NULL, 16);
337 #ifdef CFG_64BIT_STRTOUL
338 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
340 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
341 curr_device, blk, cnt);
343 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
345 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
346 curr_device, blk, cnt);
349 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
351 printf ("%ld blocks written: %s\n",
352 n, (n==cnt) ? "OK" : "ERROR");
359 printf ("Usage:\n%s\n", cmdtp->usage);
367 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
369 char *boot_device = NULL;
374 disk_partition_t info;
380 addr = CFG_LOAD_ADDR;
381 boot_device = getenv ("bootdevice");
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = getenv ("bootdevice");
388 addr = simple_strtoul(argv[1], NULL, 16);
389 boot_device = argv[2];
392 printf ("Usage:\n%s\n", cmdtp->usage);
393 SHOW_BOOT_PROGRESS (-1);
398 puts ("\n** No boot device **\n");
399 SHOW_BOOT_PROGRESS (-1);
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 (-1);
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 SHOW_BOOT_PROGRESS (-1);
417 part = simple_strtoul(++ep, NULL, 16);
419 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
420 SHOW_BOOT_PROGRESS (-1);
423 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
424 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
425 printf ("\n** Invalid partition type \"%.32s\""
426 " (expect \"" BOOT_PART_TYPE "\")\n",
428 SHOW_BOOT_PROGRESS (-1);
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
436 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info.start, info.size, info.blksz);
439 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
440 printf ("** Read error on %d:%d\n", dev, part);
441 SHOW_BOOT_PROGRESS (-1);
445 hdr = (image_header_t *)addr;
447 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
449 print_image_hdr (hdr);
451 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
452 cnt += info.blksz - 1;
456 printf("\n** Bad Magic Number **\n");
457 SHOW_BOOT_PROGRESS (-1);
461 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
462 (ulong *)(addr+info.blksz)) != cnt) {
463 printf ("** Read error on %d:%d\n", dev, part);
464 SHOW_BOOT_PROGRESS (-1);
469 /* Loading ok, update default load address */
473 /* Check if we should attempt an auto-start */
474 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
476 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
478 local_args[0] = argv[0];
479 local_args[1] = NULL;
481 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
483 do_bootm (cmdtp, 0, 1, local_args);
489 /* ------------------------------------------------------------------------- */
494 #ifdef CONFIG_IDE_8xx_DIRECT
495 DECLARE_GLOBAL_DATA_PTR;
496 volatile immap_t *immr = (immap_t *)CFG_IMMR;
497 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
501 #ifdef CONFIG_AMIGAONEG3SE
502 unsigned int max_bus_scan;
503 unsigned int ata_reset_time;
506 #ifdef CONFIG_IDE_8xx_PCCARD
507 extern int pcmcia_on (void);
508 extern int ide_devices_found; /* Initialized in check_ide_device() */
509 #endif /* CONFIG_IDE_8xx_PCCARD */
511 #ifdef CONFIG_IDE_PREINIT
512 extern int ide_preinit (void);
515 if (ide_preinit ()) {
516 puts ("ide_preinit failed\n");
519 #endif /* CONFIG_IDE_PREINIT */
521 #ifdef CONFIG_IDE_8xx_PCCARD
522 extern int pcmcia_on (void);
523 extern int ide_devices_found; /* Initialized in check_ide_device() */
527 ide_devices_found = 0;
528 /* initialize the PCMCIA IDE adapter card */
530 if (!ide_devices_found)
532 udelay (1000000); /* 1 s */
533 #endif /* CONFIG_IDE_8xx_PCCARD */
537 #ifdef CONFIG_IDE_8xx_DIRECT
538 /* Initialize PIO timing tables */
539 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
540 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
542 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
544 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
546 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
548 " hold=%2d ns/%d clk\n",
550 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
551 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
552 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
554 #endif /* CONFIG_IDE_8xx_DIRECT */
556 /* Reset the IDE just to be sure.
557 * Light LED's to show
559 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
560 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
562 #ifdef CONFIG_IDE_8xx_DIRECT
563 /* PCMCIA / IDE initialization for common mem space */
564 pcmp->pcmc_pgcrb = 0;
566 /* start in PIO mode 0 - most relaxed timings */
568 set_pcmcia_timing (pio_mode);
569 #endif /* CONFIG_IDE_8xx_DIRECT */
572 * Wait for IDE to get ready.
573 * According to spec, this can take up to 31 seconds!
575 #ifndef CONFIG_AMIGAONEG3SE
576 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
577 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
579 s = getenv("ide_maxbus");
581 max_bus_scan = simple_strtol(s, NULL, 10);
583 max_bus_scan = CFG_IDE_MAXBUS;
585 for (bus=0; bus<max_bus_scan; ++bus) {
586 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
589 #ifdef CONFIG_IDE_8xx_PCCARD
590 /* Skip non-ide devices from probing */
591 if ((ide_devices_found & (1 << bus)) == 0) {
592 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
596 printf ("Bus %d: ", bus);
602 udelay (100000); /* 100 ms */
603 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
604 udelay (100000); /* 100 ms */
605 #ifdef CONFIG_AMIGAONEG3SE
606 ata_reset_time = ATA_RESET_TIME;
607 s = getenv("ide_reset_timeout");
608 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
612 udelay (10000); /* 10 ms */
614 c = ide_inb (dev, ATA_STATUS);
616 #ifdef CONFIG_AMIGAONEG3SE
617 if (i > (ata_reset_time * 100)) {
619 if (i > (ATA_RESET_TIME * 100)) {
621 puts ("** Timeout **\n");
622 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
623 #ifdef CONFIG_AMIGAONEG3SE
624 /* If this is the second bus, the first one was OK */
632 if ((i >= 100) && ((i%100)==0)) {
635 } while (c & ATA_STAT_BUSY);
637 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
638 puts ("not available ");
639 PRINTF ("Status = 0x%02X ", c);
640 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
641 } else if ((c & ATA_STAT_READY) == 0) {
642 puts ("not available ");
643 PRINTF ("Status = 0x%02X ", c);
652 #ifdef CONFIG_AMIGAONEG3SE
657 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
660 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
661 #ifdef CONFIG_IDE_LED
662 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
664 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
665 ide_dev_desc[i].if_type=IF_TYPE_IDE;
666 ide_dev_desc[i].dev=i;
667 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
668 ide_dev_desc[i].blksz=0;
669 ide_dev_desc[i].lba=0;
670 ide_dev_desc[i].block_read=ide_read;
671 if (!ide_bus_ok[IDE_BUS(i)])
673 ide_led (led, 1); /* LED on */
674 ide_ident(&ide_dev_desc[i]);
675 ide_led (led, 0); /* LED off */
676 dev_print(&ide_dev_desc[i]);
678 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
679 init_part (&ide_dev_desc[i]); /* initialize partition type */
687 /* ------------------------------------------------------------------------- */
689 block_dev_desc_t * ide_get_dev(int dev)
691 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
695 #ifdef CONFIG_IDE_8xx_DIRECT
698 set_pcmcia_timing (int pmode)
700 volatile immap_t *immr = (immap_t *)CFG_IMMR;
701 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
704 PRINTF ("Set timing for PIO Mode %d\n", pmode);
706 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
707 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
708 | PCMCIA_SL (pio_config_clk[pmode].t_length)
713 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
714 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
715 #if (CFG_PCMCIA_POR0 != 0)
719 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
721 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
722 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
723 #if (CFG_PCMCIA_POR1 != 0)
727 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
729 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
730 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
731 #if (CFG_PCMCIA_POR2 != 0)
735 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
737 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
738 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
739 #if (CFG_PCMCIA_POR3 != 0)
743 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
747 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
748 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
749 #if (CFG_PCMCIA_POR4 != 0)
753 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
755 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
756 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
757 #if (CFG_PCMCIA_POR5 != 0)
761 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
763 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
764 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
765 #if (CFG_PCMCIA_POR6 != 0)
769 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
771 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
772 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
773 #if (CFG_PCMCIA_POR7 != 0)
777 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
781 #endif /* CONFIG_IDE_8xx_DIRECT */
783 /* ------------------------------------------------------------------------- */
786 static void __inline__
787 ide_outb(int dev, int port, unsigned char val)
789 PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n",
790 dev, port, val, (ATA_CURR_BASE(dev)+port));
792 /* Ensure I/O operations complete */
793 __asm__ volatile("eieio");
794 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
796 #else /* ! __PPC__ */
797 static void __inline__
798 ide_outb(int dev, int port, unsigned char val)
800 outb(val, ATA_CURR_BASE(dev)+port);
806 static unsigned char __inline__
807 ide_inb(int dev, int port)
810 /* Ensure I/O operations complete */
811 __asm__ volatile("eieio");
812 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
813 PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n",
814 dev, port, (ATA_CURR_BASE(dev)+port), val);
817 #else /* ! __PPC__ */
818 static unsigned char __inline__
819 ide_inb(int dev, int port)
821 return inb(ATA_CURR_BASE(dev)+port);
826 # ifdef CONFIG_AMIGAONEG3SE
828 output_data_short(int dev, ulong *sect_buf, int words)
831 volatile ushort *pbuf;
833 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
834 dbuf = (ushort *)sect_buf;
836 __asm__ volatile ("eieio");
838 __asm__ volatile ("eieio");
844 # endif /* CONFIG_AMIGAONEG3SE */
847 /* We only need to swap data if we are running on a big endian cpu. */
848 /* But Au1x00 cpu:s already swaps data in big endian mode! */
849 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
850 #define input_swap_data(x,y,z) input_data(x,y,z)
853 input_swap_data(int dev, ulong *sect_buf, int words)
856 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
857 ushort *dbuf = (ushort *)sect_buf;
860 *dbuf++ = ld_le16(pbuf);
861 *dbuf++ = ld_le16(pbuf);
863 #else /* CONFIG_HMI10 */
865 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
866 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
867 ushort *dbuf = (ushort *)sect_buf;
870 for (i=0; i<2; i++) {
871 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
872 *(uchar *)dbuf = *pbuf_odd;
876 #endif /* CONFIG_HMI10 */
878 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
883 output_data(int dev, ulong *sect_buf, int words)
887 volatile ushort *pbuf;
889 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
890 dbuf = (ushort *)sect_buf;
892 __asm__ volatile ("eieio");
894 __asm__ volatile ("eieio");
897 #else /* CONFIG_HMI10 */
899 volatile uchar *pbuf_even;
900 volatile uchar *pbuf_odd;
902 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
903 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
904 dbuf = (uchar *)sect_buf;
906 __asm__ volatile ("eieio");
907 *pbuf_even = *dbuf++;
908 __asm__ volatile ("eieio");
910 __asm__ volatile ("eieio");
911 *pbuf_even = *dbuf++;
912 __asm__ volatile ("eieio");
915 #endif /* CONFIG_HMI10 */
917 #else /* ! __PPC__ */
919 output_data(int dev, ulong *sect_buf, int words)
921 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
927 input_data(int dev, ulong *sect_buf, int words)
931 volatile ushort *pbuf;
933 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
934 dbuf = (ushort *)sect_buf;
936 __asm__ volatile ("eieio");
938 __asm__ volatile ("eieio");
941 #else /* CONFIG_HMI10 */
943 volatile uchar *pbuf_even;
944 volatile uchar *pbuf_odd;
946 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
947 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
948 dbuf = (uchar *)sect_buf;
950 __asm__ volatile ("eieio");
951 *dbuf++ = *pbuf_even;
952 __asm__ volatile ("eieio");
954 __asm__ volatile ("eieio");
955 *dbuf++ = *pbuf_even;
956 __asm__ volatile ("eieio");
959 #endif /* CONFIG_HMI10 */
961 #else /* ! __PPC__ */
963 input_data(int dev, ulong *sect_buf, int words)
965 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
970 #ifdef CONFIG_AMIGAONEG3SE
972 input_data_short(int dev, ulong *sect_buf, int words)
975 volatile ushort *pbuf;
977 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
978 dbuf = (ushort *)sect_buf;
980 __asm__ volatile ("eieio");
982 __asm__ volatile ("eieio");
992 /* -------------------------------------------------------------------------
994 static void ide_ident (block_dev_desc_t *dev_desc)
996 ulong iobuf[ATA_SECTORWORDS];
998 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1000 #ifdef CONFIG_AMIGAONEG3SE
1008 int mode, cycle_time;
1011 device=dev_desc->dev;
1012 printf (" Device %d: ", device);
1014 #ifdef CONFIG_AMIGAONEG3SE
1015 s = getenv("ide_maxbus");
1017 max_bus_scan = simple_strtol(s, NULL, 10);
1019 max_bus_scan = CFG_IDE_MAXBUS;
1021 if (device >= max_bus_scan*2) {
1022 dev_desc->type=DEV_TYPE_UNKNOWN;
1027 ide_led (DEVICE_LED(device), 1); /* LED on */
1030 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1031 dev_desc->if_type=IF_TYPE_IDE;
1034 #ifdef CONFIG_AMIGAONEG3SE
1038 /* Warning: This will be tricky to read */
1039 while (retries <= 1) {
1040 #endif /* CONFIG_AMIGAONEG3SE */
1042 /* check signature */
1043 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1044 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1045 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1046 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1047 /* ATAPI Signature found */
1048 dev_desc->if_type=IF_TYPE_ATAPI;
1049 /* Start Ident Command
1051 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1053 * Wait for completion - ATAPI devices need more time
1056 c = ide_wait (device, ATAPI_TIME_OUT);
1060 /* Start Ident Command
1062 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1064 /* Wait for completion
1066 c = ide_wait (device, IDE_TIME_OUT);
1068 ide_led (DEVICE_LED(device), 0); /* LED off */
1070 if (((c & ATA_STAT_DRQ) == 0) ||
1071 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1072 #ifdef CONFIG_AMIGAONEG3SE
1080 #endif /* CONFIG_AMIGAONEG3SE */
1083 #ifdef CONFIG_AMIGAONEG3SE
1084 s = getenv("ide_doreset");
1085 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1086 /* Need to soft reset the device in case it's an ATAPI... */
1087 PRINTF("Retrying...\n");
1088 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1090 ide_outb (device, ATA_COMMAND, 0x08);
1091 udelay (100000); /* 100 ms */
1096 } /* see above - ugly to read */
1097 #endif /* CONFIG_AMIGAONEG3SE */
1099 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1101 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1102 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1103 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1104 #ifdef __LITTLE_ENDIAN
1106 * firmware revision and model number have Big Endian Byte
1107 * order in Word. Convert both to little endian.
1109 * See CF+ and CompactFlash Specification Revision 2.0:
1110 * 6.2.1.6: Identfy Drive, Table 39 for more details
1113 strswab (dev_desc->revision);
1114 strswab (dev_desc->vendor);
1115 #endif /* __LITTLE_ENDIAN */
1117 if ((iop->config & 0x0080)==0x0080)
1118 dev_desc->removable = 1;
1120 dev_desc->removable = 0;
1124 * Drive PIO mode autoselection
1128 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1129 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1131 PRINTF ("Override tPIO -> 2\n");
1133 if (iop->field_valid & 2) { /* drive implements ATA2? */
1134 PRINTF ("Drive implements ATA2\n");
1135 if (iop->capability & 8) { /* drive supports use_iordy? */
1136 cycle_time = iop->eide_pio_iordy;
1138 cycle_time = iop->eide_pio;
1140 PRINTF ("cycle time = %d\n", cycle_time);
1142 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1143 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1144 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1145 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1147 printf ("PIO mode to use: PIO %d\n", mode);
1151 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1152 atapi_inquiry(dev_desc);
1155 #endif /* CONFIG_ATAPI */
1159 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1160 #else /* ! __BIG_ENDIAN */
1162 * do not swap shorts on little endian
1164 * See CF+ and CompactFlash Specification Revision 2.0:
1165 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1167 dev_desc->lba = iop->lba_capacity;
1168 #endif /* __BIG_ENDIAN */
1171 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1172 dev_desc->lba48support = 1;
1173 dev_desc->lba48 = (unsigned long long)iop->lba48_capacity[0] |
1174 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1175 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1176 ((unsigned long long)iop->lba48_capacity[3] << 48);
1178 dev_desc->lba48support = 0;
1179 dev_desc->lba48 = 0;
1181 #endif /* CONFIG_LBA48 */
1183 dev_desc->type=DEV_TYPE_HARDDISK;
1184 dev_desc->blksz=ATA_BLOCKSIZE;
1185 dev_desc->lun=0; /* just to fill something in... */
1187 #if 0 /* only used to test the powersaving mode,
1188 * if enabled, the drive goes after 5 sec
1189 * in standby mode */
1190 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1191 c = ide_wait (device, IDE_TIME_OUT);
1192 ide_outb (device, ATA_SECT_CNT, 1);
1193 ide_outb (device, ATA_LBA_LOW, 0);
1194 ide_outb (device, ATA_LBA_MID, 0);
1195 ide_outb (device, ATA_LBA_HIGH, 0);
1196 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1197 ATA_DEVICE(device));
1198 ide_outb (device, ATA_COMMAND, 0xe3);
1200 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1205 /* ------------------------------------------------------------------------- */
1207 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1211 unsigned char pwrsave=0; /* power save */
1213 unsigned char lba48 = 0;
1215 if (blknr & 0x0000fffff0000000) {
1216 /* more than 28 bits used, use 48bit mode */
1220 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1221 device, blknr, blkcnt, (ulong)buffer);
1223 ide_led (DEVICE_LED(device), 1); /* LED on */
1227 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1228 c = ide_wait (device, IDE_TIME_OUT);
1230 if (c & ATA_STAT_BUSY) {
1231 printf ("IDE read: device %d not ready\n", device);
1235 /* first check if the drive is in Powersaving mode, if yes,
1236 * increase the timeout value */
1237 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1240 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1242 if (c & ATA_STAT_BUSY) {
1243 printf ("IDE read: device %d not ready\n", device);
1246 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1247 printf ("No Powersaving mode %X\n", c);
1249 c = ide_inb(device,ATA_SECT_CNT);
1250 PRINTF("Powersaving %02X\n",c);
1256 while (blkcnt-- > 0) {
1258 c = ide_wait (device, IDE_TIME_OUT);
1260 if (c & ATA_STAT_BUSY) {
1261 printf ("IDE read: device %d not ready\n", device);
1266 /* write high bits */
1267 ide_outb (device, ATA_SECT_CNT, 0);
1268 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1269 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1270 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1273 ide_outb (device, ATA_SECT_CNT, 1);
1274 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1275 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1276 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1280 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1281 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1286 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1287 ATA_DEVICE(device) |
1288 ((blknr >> 24) & 0xF) );
1289 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1295 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1298 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1301 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1302 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1303 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1306 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1307 device, (ulong)blknr, c);
1312 input_data (device, buffer, ATA_SECTORWORDS);
1313 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1317 buffer += ATA_SECTORWORDS;
1320 ide_led (DEVICE_LED(device), 0); /* LED off */
1324 /* ------------------------------------------------------------------------- */
1327 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1332 unsigned char lba48 = 0;
1334 if (blknr & 0x0000fffff0000000) {
1335 /* more than 28 bits used, use 48bit mode */
1340 ide_led (DEVICE_LED(device), 1); /* LED on */
1344 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1346 while (blkcnt-- > 0) {
1348 c = ide_wait (device, IDE_TIME_OUT);
1350 if (c & ATA_STAT_BUSY) {
1351 printf ("IDE read: device %d not ready\n", device);
1356 /* write high bits */
1357 ide_outb (device, ATA_SECT_CNT, 0);
1358 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1359 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1360 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1363 ide_outb (device, ATA_SECT_CNT, 1);
1364 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1365 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1366 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1370 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1371 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1376 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1377 ATA_DEVICE(device) |
1378 ((blknr >> 24) & 0xF) );
1379 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1384 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1386 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1387 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1388 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1391 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1392 device, (ulong)blknr, c);
1397 output_data (device, buffer, ATA_SECTORWORDS);
1398 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1401 buffer += ATA_SECTORWORDS;
1404 ide_led (DEVICE_LED(device), 0); /* LED off */
1408 /* ------------------------------------------------------------------------- */
1411 * copy src to dest, skipping leading and trailing blanks and null
1412 * terminate the string
1413 * "len" is the size of available memory including the terminating '\0'
1415 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1417 unsigned char *end, *last;
1422 /* reserve space for '\0' */
1426 /* skip leading white space */
1427 while ((*src) && (src<end) && (*src==' '))
1430 /* copy string, omitting trailing white space */
1431 while ((*src) && (src<end)) {
1440 /* ------------------------------------------------------------------------- */
1443 * Wait until Busy bit is off, or timeout (in ms)
1444 * Return last status
1446 static uchar ide_wait (int dev, ulong t)
1448 ulong delay = 10 * t; /* poll every 100 us */
1451 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1460 /* ------------------------------------------------------------------------- */
1462 #ifdef CONFIG_IDE_RESET
1463 extern void ide_set_reset(int idereset);
1465 static void ide_reset (void)
1467 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1468 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1473 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1475 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1476 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1478 ide_set_reset (1); /* assert reset */
1482 #ifdef CFG_PB_12V_ENABLE
1483 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1484 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1485 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1486 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1488 /* wait 500 ms for the voltage to stabilize
1490 for (i=0; i<500; ++i) {
1494 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1495 #endif /* CFG_PB_12V_ENABLE */
1497 #ifdef CFG_PB_IDE_MOTOR
1498 /* configure IDE Motor voltage monitor pin as input */
1499 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1500 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1501 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1503 /* wait up to 1 s for the motor voltage to stabilize
1505 for (i=0; i<1000; ++i) {
1506 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1512 if (i == 1000) { /* Timeout */
1513 printf ("\nWarning: 5V for IDE Motor missing\n");
1514 # ifdef CONFIG_STATUS_LED
1515 # ifdef STATUS_LED_YELLOW
1516 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1518 # ifdef STATUS_LED_GREEN
1519 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1521 # endif /* CONFIG_STATUS_LED */
1523 #endif /* CFG_PB_IDE_MOTOR */
1527 /* de-assert RESET signal */
1531 for (i=0; i<250; ++i) {
1536 #endif /* CONFIG_IDE_RESET */
1538 /* ------------------------------------------------------------------------- */
1540 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
1542 static uchar led_buffer = 0; /* Buffer for current LED status */
1544 static void ide_led (uchar led, uchar status)
1546 uchar *led_port = LED_PORT;
1548 if (status) { /* switch LED on */
1550 } else { /* switch LED off */
1554 *led_port = led_buffer;
1557 #endif /* CONFIG_IDE_LED */
1559 /* ------------------------------------------------------------------------- */
1562 /****************************************************************************
1570 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1572 #define AT_PRINTF(fmt,args...)
1576 /* since ATAPI may use commands with not 4 bytes alligned length
1577 * we have our own transfer functions, 2 bytes alligned */
1579 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1581 #ifndef CONFIG_HMI10
1583 volatile ushort *pbuf;
1585 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1586 dbuf = (ushort *)sect_buf;
1588 __asm__ volatile ("eieio");
1591 #else /* CONFIG_HMI10 */
1593 volatile uchar *pbuf_even;
1594 volatile uchar *pbuf_odd;
1596 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1597 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1599 __asm__ volatile ("eieio");
1600 *pbuf_even = *dbuf++;
1601 __asm__ volatile ("eieio");
1602 *pbuf_odd = *dbuf++;
1604 #endif /* CONFIG_HMI10 */
1608 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1610 #ifndef CONFIG_HMI10
1612 volatile ushort *pbuf;
1614 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1615 dbuf = (ushort *)sect_buf;
1617 __asm__ volatile ("eieio");
1620 #else /* CONFIG_HMI10 */
1622 volatile uchar *pbuf_even;
1623 volatile uchar *pbuf_odd;
1625 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1626 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1628 __asm__ volatile ("eieio");
1629 *dbuf++ = *pbuf_even;
1630 __asm__ volatile ("eieio");
1631 *dbuf++ = *pbuf_odd;
1633 #endif /* CONFIG_HMI10 */
1636 #else /* ! __PPC__ */
1638 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1640 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1645 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1647 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1650 #endif /* __PPC__ */
1653 * Wait until (Status & mask) == res, or timeout (in ms)
1654 * Return last status
1655 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1656 * and then they set their DRQ Bit
1658 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1660 ulong delay = 10 * t; /* poll every 100 us */
1663 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1664 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1665 /* break if error occurs (doesn't make sense to wait more) */
1666 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1677 * issue an atapi command
1679 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1681 unsigned char c,err,mask,res;
1683 ide_led (DEVICE_LED(device), 1); /* LED on */
1687 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1689 #ifdef CONFIG_AMIGAONEG3SE
1690 # warning THF: Removed LBA mode ???
1692 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1693 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1694 if ((c & mask) != res) {
1695 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1699 /* write taskfile */
1700 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1701 ide_outb (device, ATA_SECT_CNT, 0);
1702 ide_outb (device, ATA_SECT_NUM, 0);
1703 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1704 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1705 #ifdef CONFIG_AMIGAONEG3SE
1706 # warning THF: Removed LBA mode ???
1708 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1710 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1713 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1715 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1717 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1718 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1723 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1724 /* ATAPI Command written wait for completition */
1725 udelay (5000); /* device must set bsy */
1727 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1728 /* if no data wait for DRQ = 0 BSY = 0
1729 * if data wait for DRQ = 1 BSY = 0 */
1733 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1734 if ((c & mask) != res ) {
1735 if (c & ATA_STAT_ERR) {
1736 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1737 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1739 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1744 n=ide_inb(device, ATA_CYL_HIGH);
1746 n+=ide_inb(device, ATA_CYL_LOW);
1748 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1752 if((n==0)&&(buflen<0)) {
1753 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1758 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1760 if(n!=0) { /* data transfer */
1761 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1762 /* we transfer shorts */
1764 /* ok now decide if it is an in or output */
1765 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1766 AT_PRINTF("Write to device\n");
1767 output_data_shorts(device,(unsigned short *)buffer,n);
1769 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1770 input_data_shorts(device,(unsigned short *)buffer,n);
1773 udelay(5000); /* seems that some CD ROMs need this... */
1774 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1776 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1777 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1778 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1779 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1784 ide_led (DEVICE_LED(device), 0); /* LED off */
1789 * sending the command to atapi_issue. If an status other than good
1790 * returns, an request_sense will be issued
1793 #define ATAPI_DRIVE_NOT_READY 100
1794 #define ATAPI_UNIT_ATTN 10
1796 unsigned char atapi_issue_autoreq (int device,
1799 unsigned char *buffer,
1802 unsigned char sense_data[18],sense_ccb[12];
1803 unsigned char res,key,asc,ascq;
1804 int notready,unitattn;
1806 #ifdef CONFIG_AMIGAONEG3SE
1808 unsigned int timeout, retrycnt;
1810 s = getenv("ide_cd_timeout");
1811 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1816 unitattn=ATAPI_UNIT_ATTN;
1817 notready=ATAPI_DRIVE_NOT_READY;
1820 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1822 return (0); /* Ok */
1825 return (0xFF); /* error */
1827 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1829 memset(sense_ccb,0,sizeof(sense_ccb));
1830 memset(sense_data,0,sizeof(sense_data));
1831 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1832 sense_ccb[4]=18; /* allocation Length */
1834 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1835 key=(sense_data[2]&0xF);
1836 asc=(sense_data[12]);
1837 ascq=(sense_data[13]);
1839 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1840 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1847 return 0; /* ok device ready */
1849 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1854 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1857 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1862 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1866 AT_PRINTF("Media not present\n");
1870 #ifdef CONFIG_AMIGAONEG3SE
1871 if ((sense_data[2]&0xF)==0x0B) {
1872 AT_PRINTF("ABORTED COMMAND...retry\n");
1878 if ((sense_data[2]&0xf) == 0x02 &&
1879 sense_data[12] == 0x04 &&
1880 sense_data[13] == 0x01 ) {
1881 AT_PRINTF("Waiting for unit to become active\n");
1887 #endif /* CONFIG_AMIGAONEG3SE */
1889 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1891 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1896 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1898 unsigned char ccb[12]; /* Command descriptor block */
1899 unsigned char iobuf[64]; /* temp buf */
1903 device=dev_desc->dev;
1904 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1905 dev_desc->block_read=atapi_read;
1907 memset(ccb,0,sizeof(ccb));
1908 memset(iobuf,0,sizeof(iobuf));
1910 ccb[0]=ATAPI_CMD_INQUIRY;
1911 ccb[4]=40; /* allocation Legnth */
1912 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1914 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1918 /* copy device ident strings */
1919 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1920 ident_cpy(dev_desc->product,&iobuf[16],16);
1921 ident_cpy(dev_desc->revision,&iobuf[32],5);
1926 dev_desc->type=iobuf[0] & 0x1f;
1928 if ((iobuf[1]&0x80)==0x80)
1929 dev_desc->removable = 1;
1931 dev_desc->removable = 0;
1933 memset(ccb,0,sizeof(ccb));
1934 memset(iobuf,0,sizeof(iobuf));
1935 ccb[0]=ATAPI_CMD_START_STOP;
1936 ccb[4]=0x03; /* start */
1938 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1940 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1944 memset(ccb,0,sizeof(ccb));
1945 memset(iobuf,0,sizeof(iobuf));
1946 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1948 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1952 memset(ccb,0,sizeof(ccb));
1953 memset(iobuf,0,sizeof(iobuf));
1954 ccb[0]=ATAPI_CMD_READ_CAP;
1955 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1956 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1960 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1961 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1962 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1964 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1965 ((unsigned long)iobuf[1]<<16) +
1966 ((unsigned long)iobuf[2]<< 8) +
1967 ((unsigned long)iobuf[3]);
1968 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1969 ((unsigned long)iobuf[5]<<16) +
1970 ((unsigned long)iobuf[6]<< 8) +
1971 ((unsigned long)iobuf[7]);
1973 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1981 * we transfer only one block per command, since the multiple DRQ per
1982 * command is not yet implemented
1984 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1985 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1986 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1988 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1991 unsigned char ccb[12]; /* Command descriptor block */
1994 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1995 device, blknr, blkcnt, (ulong)buffer);
1998 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1999 cnt=ATAPI_READ_MAX_BLOCK;
2003 ccb[0]=ATAPI_CMD_READ_12;
2004 ccb[1]=0; /* reserved */
2005 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2006 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2007 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2008 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2009 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2010 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2011 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2012 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2013 ccb[10]=0; /* reserved */
2014 ccb[11]=0; /* reserved */
2016 if (atapi_issue_autoreq(device,ccb,12,
2017 (unsigned char *)buffer,
2018 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2024 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2025 } while (blkcnt > 0);
2029 /* ------------------------------------------------------------------------- */
2031 #endif /* CONFIG_ATAPI */
2035 "ide - IDE sub-system\n",
2036 "reset - reset IDE controller\n"
2037 "ide info - show available IDE devices\n"
2038 "ide device [dev] - show or set current device\n"
2039 "ide part [dev] - print partition table of one or all IDE devices\n"
2040 "ide read addr blk# cnt\n"
2041 "ide write addr blk# cnt - read/write `cnt'"
2042 " blocks starting at block `blk#'\n"
2043 " to/from memory address `addr'\n"
2047 diskboot, 3, 1, do_diskboot,
2048 "diskboot- boot from IDE device\n",
2049 "loadAddr dev:part\n"
2052 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */