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_BMS2003)
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, ulong 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 blk = simple_strtoul(argv[3], NULL, 16);
307 ulong cnt = simple_strtoul(argv[4], NULL, 16);
310 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
311 curr_device, blk, cnt);
313 n = ide_dev_desc[curr_device].block_read (curr_device,
316 /* flush cache after read */
317 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
319 printf ("%ld blocks read: %s\n",
320 n, (n==cnt) ? "OK" : "ERROR");
326 } else if (strcmp(argv[1],"write") == 0) {
327 ulong addr = simple_strtoul(argv[2], NULL, 16);
328 ulong blk = simple_strtoul(argv[3], NULL, 16);
329 ulong cnt = simple_strtoul(argv[4], NULL, 16);
332 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
333 curr_device, blk, cnt);
335 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
337 printf ("%ld blocks written: %s\n",
338 n, (n==cnt) ? "OK" : "ERROR");
345 printf ("Usage:\n%s\n", cmdtp->usage);
353 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
355 char *boot_device = NULL;
360 disk_partition_t info;
366 addr = CFG_LOAD_ADDR;
367 boot_device = getenv ("bootdevice");
370 addr = simple_strtoul(argv[1], NULL, 16);
371 boot_device = getenv ("bootdevice");
374 addr = simple_strtoul(argv[1], NULL, 16);
375 boot_device = argv[2];
378 printf ("Usage:\n%s\n", cmdtp->usage);
379 SHOW_BOOT_PROGRESS (-1);
384 puts ("\n** No boot device **\n");
385 SHOW_BOOT_PROGRESS (-1);
389 dev = simple_strtoul(boot_device, &ep, 16);
391 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
392 printf ("\n** Device %d not available\n", dev);
393 SHOW_BOOT_PROGRESS (-1);
399 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
400 SHOW_BOOT_PROGRESS (-1);
403 part = simple_strtoul(++ep, NULL, 16);
405 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
406 SHOW_BOOT_PROGRESS (-1);
409 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
410 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
411 printf ("\n** Invalid partition type \"%.32s\""
412 " (expect \"" BOOT_PART_TYPE "\")\n",
414 SHOW_BOOT_PROGRESS (-1);
418 printf ("\nLoading from IDE device %d, partition %d: "
419 "Name: %.32s Type: %.32s\n",
420 dev, part, info.name, info.type);
422 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
423 info.start, info.size, info.blksz);
425 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
426 printf ("** Read error on %d:%d\n", dev, part);
427 SHOW_BOOT_PROGRESS (-1);
431 hdr = (image_header_t *)addr;
433 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
435 print_image_hdr (hdr);
437 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
438 cnt += info.blksz - 1;
442 printf("\n** Bad Magic Number **\n");
443 SHOW_BOOT_PROGRESS (-1);
447 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
448 (ulong *)(addr+info.blksz)) != cnt) {
449 printf ("** Read error on %d:%d\n", dev, part);
450 SHOW_BOOT_PROGRESS (-1);
455 /* Loading ok, update default load address */
459 /* Check if we should attempt an auto-start */
460 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
462 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
464 local_args[0] = argv[0];
465 local_args[1] = NULL;
467 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
469 do_bootm (cmdtp, 0, 1, local_args);
475 /* ------------------------------------------------------------------------- */
480 #ifdef CONFIG_IDE_8xx_DIRECT
481 DECLARE_GLOBAL_DATA_PTR;
482 volatile immap_t *immr = (immap_t *)CFG_IMMR;
483 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
487 #ifdef CONFIG_AMIGAONEG3SE
488 unsigned int max_bus_scan;
489 unsigned int ata_reset_time;
492 #ifdef CONFIG_IDE_8xx_PCCARD
493 extern int pcmcia_on (void);
494 extern int ide_devices_found; /* Initialized in check_ide_device() */
495 #endif /* CONFIG_IDE_8xx_PCCARD */
497 #ifdef CONFIG_IDE_PREINIT
500 if (ide_preinit ()) {
501 puts ("ide_preinit failed\n");
504 #endif /* CONFIG_IDE_PREINIT */
506 #ifdef CONFIG_IDE_8xx_PCCARD
507 extern int pcmcia_on (void);
508 extern int ide_devices_found; /* Initialized in check_ide_device() */
512 ide_devices_found = 0;
513 /* initialize the PCMCIA IDE adapter card */
515 if (!ide_devices_found)
517 udelay (1000000); /* 1 s */
518 #endif /* CONFIG_IDE_8xx_PCCARD */
522 #ifdef CONFIG_IDE_8xx_DIRECT
523 /* Initialize PIO timing tables */
524 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
525 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
527 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
529 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
531 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
533 " hold=%2d ns/%d clk\n",
535 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
536 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
537 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
539 #endif /* CONFIG_IDE_8xx_DIRECT */
541 /* Reset the IDE just to be sure.
542 * Light LED's to show
544 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
545 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
547 #ifdef CONFIG_IDE_8xx_DIRECT
548 /* PCMCIA / IDE initialization for common mem space */
549 pcmp->pcmc_pgcrb = 0;
551 /* start in PIO mode 0 - most relaxed timings */
553 set_pcmcia_timing (pio_mode);
554 #endif /* CONFIG_IDE_8xx_DIRECT */
557 * Wait for IDE to get ready.
558 * According to spec, this can take up to 31 seconds!
560 #ifndef CONFIG_AMIGAONEG3SE
561 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
562 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
564 s = getenv("ide_maxbus");
566 max_bus_scan = simple_strtol(s, NULL, 10);
568 max_bus_scan = CFG_IDE_MAXBUS;
570 for (bus=0; bus<max_bus_scan; ++bus) {
571 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
574 #ifdef CONFIG_IDE_8xx_PCCARD
575 /* Skip non-ide devices from probing */
576 if ((ide_devices_found & (1 << bus)) == 0) {
577 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
581 printf ("Bus %d: ", bus);
587 udelay (100000); /* 100 ms */
588 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
589 udelay (100000); /* 100 ms */
590 #ifdef CONFIG_AMIGAONEG3SE
591 ata_reset_time = ATA_RESET_TIME;
592 s = getenv("ide_reset_timeout");
593 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
597 udelay (10000); /* 10 ms */
599 c = ide_inb (dev, ATA_STATUS);
601 #ifdef CONFIG_AMIGAONEG3SE
602 if (i > (ata_reset_time * 100)) {
604 if (i > (ATA_RESET_TIME * 100)) {
606 puts ("** Timeout **\n");
607 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
608 #ifdef CONFIG_AMIGAONEG3SE
609 /* If this is the second bus, the first one was OK */
618 if ((i >= 100) && ((i%100)==0)) {
621 } while (c & ATA_STAT_BUSY);
623 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
624 puts ("not available ");
625 PRINTF ("Status = 0x%02X ", c);
626 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
627 } else if ((c & ATA_STAT_READY) == 0) {
628 puts ("not available ");
629 PRINTF ("Status = 0x%02X ", c);
638 #ifdef CONFIG_AMIGAONEG3SE
643 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
646 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
647 #ifdef CONFIG_IDE_LED
648 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
650 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
651 ide_dev_desc[i].if_type=IF_TYPE_IDE;
652 ide_dev_desc[i].dev=i;
653 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
654 ide_dev_desc[i].blksz=0;
655 ide_dev_desc[i].lba=0;
656 ide_dev_desc[i].block_read=ide_read;
657 if (!ide_bus_ok[IDE_BUS(i)])
659 ide_led (led, 1); /* LED on */
660 ide_ident(&ide_dev_desc[i]);
661 ide_led (led, 0); /* LED off */
662 dev_print(&ide_dev_desc[i]);
664 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
665 init_part (&ide_dev_desc[i]); /* initialize partition type */
673 /* ------------------------------------------------------------------------- */
675 block_dev_desc_t * ide_get_dev(int dev)
677 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
681 #ifdef CONFIG_IDE_8xx_DIRECT
684 set_pcmcia_timing (int pmode)
686 volatile immap_t *immr = (immap_t *)CFG_IMMR;
687 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
690 PRINTF ("Set timing for PIO Mode %d\n", pmode);
692 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
693 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
694 | PCMCIA_SL (pio_config_clk[pmode].t_length)
699 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
700 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
701 #if (CFG_PCMCIA_POR0 != 0)
705 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
707 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
708 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
709 #if (CFG_PCMCIA_POR1 != 0)
713 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
715 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
716 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
717 #if (CFG_PCMCIA_POR2 != 0)
721 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
723 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
724 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
725 #if (CFG_PCMCIA_POR3 != 0)
729 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
733 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
734 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
735 #if (CFG_PCMCIA_POR4 != 0)
739 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
741 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
742 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
743 #if (CFG_PCMCIA_POR5 != 0)
747 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
749 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
750 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
751 #if (CFG_PCMCIA_POR6 != 0)
755 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
757 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
758 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
759 #if (CFG_PCMCIA_POR7 != 0)
763 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
767 #endif /* CONFIG_IDE_8xx_DIRECT */
769 /* ------------------------------------------------------------------------- */
772 static void __inline__
773 ide_outb(int dev, int port, unsigned char val)
775 PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n",
776 dev, port, val, (ATA_CURR_BASE(dev)+port));
778 /* Ensure I/O operations complete */
779 __asm__ volatile("eieio");
780 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
782 #else /* ! __PPC__ */
783 static void __inline__
784 ide_outb(int dev, int port, unsigned char val)
786 outb(val, ATA_CURR_BASE(dev)+port);
792 static unsigned char __inline__
793 ide_inb(int dev, int port)
796 /* Ensure I/O operations complete */
797 __asm__ volatile("eieio");
798 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
799 PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n",
800 dev, port, (ATA_CURR_BASE(dev)+port), val);
803 #else /* ! __PPC__ */
804 static unsigned char __inline__
805 ide_inb(int dev, int port)
807 return inb(ATA_CURR_BASE(dev)+port);
812 # ifdef CONFIG_AMIGAONEG3SE
814 output_data_short(int dev, ulong *sect_buf, int words)
817 volatile ushort *pbuf;
819 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
820 dbuf = (ushort *)sect_buf;
822 __asm__ volatile ("eieio");
824 __asm__ volatile ("eieio");
830 # endif /* CONFIG_AMIGAONEG3SE */
833 /* We only need to swap data if we are running on a big endian cpu. */
834 /* But Au1x00 cpu:s already swaps data in big endian mode! */
835 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
836 #define input_swap_data(x,y,z) input_data(x,y,z)
839 input_swap_data(int dev, ulong *sect_buf, int words)
841 #ifndef CONFIG_BMS2003
842 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
843 ushort *dbuf = (ushort *)sect_buf;
846 *dbuf++ = ld_le16(pbuf);
847 *dbuf++ = ld_le16(pbuf);
849 #else /* CONFIG_BMS2003 */
851 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
852 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
853 ushort *dbuf = (ushort *)sect_buf;
856 for (i=0; i<2; i++) {
857 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
858 *(uchar *)dbuf = *pbuf_odd;
862 #endif /* CONFIG_BMS2003 */
864 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
869 output_data(int dev, ulong *sect_buf, int words)
871 #ifndef CONFIG_BMS2003
873 volatile ushort *pbuf;
875 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
876 dbuf = (ushort *)sect_buf;
878 __asm__ volatile ("eieio");
880 __asm__ volatile ("eieio");
883 #else /* CONFIG_BMS2003 */
885 volatile uchar *pbuf_even;
886 volatile uchar *pbuf_odd;
888 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
889 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
890 dbuf = (uchar *)sect_buf;
892 __asm__ volatile ("eieio");
893 *pbuf_even = *dbuf++;
894 __asm__ volatile ("eieio");
896 __asm__ volatile ("eieio");
897 *pbuf_even = *dbuf++;
898 __asm__ volatile ("eieio");
901 #endif /* CONFIG_BMS2003 */
903 #else /* ! __PPC__ */
905 output_data(int dev, ulong *sect_buf, int words)
907 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
913 input_data(int dev, ulong *sect_buf, int words)
915 #ifndef CONFIG_BMS2003
917 volatile ushort *pbuf;
919 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
920 dbuf = (ushort *)sect_buf;
922 __asm__ volatile ("eieio");
924 __asm__ volatile ("eieio");
927 #else /* CONFIG_BMS2003 */
929 volatile uchar *pbuf_even;
930 volatile uchar *pbuf_odd;
932 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
933 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
934 dbuf = (uchar *)sect_buf;
936 __asm__ volatile ("eieio");
937 *dbuf++ = *pbuf_even;
938 __asm__ volatile ("eieio");
940 __asm__ volatile ("eieio");
941 *dbuf++ = *pbuf_even;
942 __asm__ volatile ("eieio");
945 #endif /* CONFIG_BMS2003 */
947 #else /* ! __PPC__ */
949 input_data(int dev, ulong *sect_buf, int words)
951 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
956 #ifdef CONFIG_AMIGAONEG3SE
958 input_data_short(int dev, ulong *sect_buf, int words)
961 volatile ushort *pbuf;
963 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
964 dbuf = (ushort *)sect_buf;
966 __asm__ volatile ("eieio");
968 __asm__ volatile ("eieio");
979 /* -------------------------------------------------------------------------
981 static void ide_ident (block_dev_desc_t *dev_desc)
983 ulong iobuf[ATA_SECTORWORDS];
985 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
987 #ifdef CONFIG_AMIGAONEG3SE
995 int mode, cycle_time;
998 device=dev_desc->dev;
999 printf (" Device %d: ", device);
1001 #ifdef CONFIG_AMIGAONEG3SE
1002 s = getenv("ide_maxbus");
1004 max_bus_scan = simple_strtol(s, NULL, 10);
1006 max_bus_scan = CFG_IDE_MAXBUS;
1008 if (device >= max_bus_scan*2) {
1009 dev_desc->type=DEV_TYPE_UNKNOWN;
1014 ide_led (DEVICE_LED(device), 1); /* LED on */
1017 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1018 dev_desc->if_type=IF_TYPE_IDE;
1021 #ifdef CONFIG_AMIGAONEG3SE
1025 /* Warning: This will be tricky to read */
1026 while (retries <= 1)
1028 #endif /* CONFIG_AMIGAONEG3SE */
1030 /* check signature */
1031 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1032 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1033 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1034 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1035 /* ATAPI Signature found */
1036 dev_desc->if_type=IF_TYPE_ATAPI;
1037 /* Start Ident Command
1039 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1041 * Wait for completion - ATAPI devices need more time
1044 c = ide_wait (device, ATAPI_TIME_OUT);
1049 /* Start Ident Command
1051 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1053 /* Wait for completion
1055 c = ide_wait (device, IDE_TIME_OUT);
1057 ide_led (DEVICE_LED(device), 0); /* LED off */
1059 if (((c & ATA_STAT_DRQ) == 0) ||
1060 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1061 #ifdef CONFIG_AMIGAONEG3SE
1069 #endif /* CONFIG_AMIGAONEG3SE */
1072 #ifdef CONFIG_AMIGAONEG3SE
1073 s = getenv("ide_doreset");
1074 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1075 /* Need to soft reset the device in case it's an ATAPI... */
1076 PRINTF("Retrying...\n");
1077 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1079 ide_outb (device, ATA_COMMAND, 0x08);
1080 udelay (100000); /* 100 ms */
1085 } /* see above - ugly to read */
1086 #endif /* CONFIG_AMIGAONEG3SE */
1088 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1090 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1091 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1092 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1094 if ((iop->config & 0x0080)==0x0080)
1095 dev_desc->removable = 1;
1097 dev_desc->removable = 0;
1101 * Drive PIO mode autoselection
1105 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1106 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1108 PRINTF ("Override tPIO -> 2\n");
1110 if (iop->field_valid & 2) { /* drive implements ATA2? */
1111 PRINTF ("Drive implements ATA2\n");
1112 if (iop->capability & 8) { /* drive supports use_iordy? */
1113 cycle_time = iop->eide_pio_iordy;
1115 cycle_time = iop->eide_pio;
1117 PRINTF ("cycle time = %d\n", cycle_time);
1119 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1120 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1121 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1122 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1124 printf ("PIO mode to use: PIO %d\n", mode);
1128 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1129 atapi_inquiry(dev_desc);
1132 #endif /* CONFIG_ATAPI */
1135 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1137 dev_desc->type=DEV_TYPE_HARDDISK;
1138 dev_desc->blksz=ATA_BLOCKSIZE;
1139 dev_desc->lun=0; /* just to fill something in... */
1141 #if 0 /* only used to test the powersaving mode,
1142 * if enabled, the drive goes after 5 sec
1143 * in standby mode */
1144 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1145 c = ide_wait (device, IDE_TIME_OUT);
1146 ide_outb (device, ATA_SECT_CNT, 1);
1147 ide_outb (device, ATA_LBA_LOW, 0);
1148 ide_outb (device, ATA_LBA_MID, 0);
1149 ide_outb (device, ATA_LBA_HIGH, 0);
1150 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1151 ATA_DEVICE(device));
1152 ide_outb (device, ATA_COMMAND, 0xe3);
1154 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1159 /* ------------------------------------------------------------------------- */
1161 ulong ide_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1165 unsigned char pwrsave=0; /* power save */
1167 PRINTF ("ide_read dev %d start %lX, blocks %lX buffer at %lX\n",
1168 device, blknr, blkcnt, (ulong)buffer);
1170 ide_led (DEVICE_LED(device), 1); /* LED on */
1174 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1175 c = ide_wait (device, IDE_TIME_OUT);
1177 if (c & ATA_STAT_BUSY) {
1178 printf ("IDE read: device %d not ready\n", device);
1182 /* first check if the drive is in Powersaving mode, if yes,
1183 * increase the timeout value */
1184 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1187 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1189 if (c & ATA_STAT_BUSY) {
1190 printf ("IDE read: device %d not ready\n", device);
1193 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1194 printf ("No Powersaving mode %X\n", c);
1196 c = ide_inb(device,ATA_SECT_CNT);
1197 PRINTF("Powersaving %02X\n",c);
1203 while (blkcnt-- > 0) {
1205 c = ide_wait (device, IDE_TIME_OUT);
1207 if (c & ATA_STAT_BUSY) {
1208 printf ("IDE read: device %d not ready\n", device);
1212 ide_outb (device, ATA_SECT_CNT, 1);
1213 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1214 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1215 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1216 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1217 ATA_DEVICE(device) |
1218 ((blknr >> 24) & 0xF) );
1219 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1224 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1227 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1230 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1231 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1236 input_data (device, buffer, ATA_SECTORWORDS);
1237 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1241 buffer += ATA_SECTORWORDS;
1244 ide_led (DEVICE_LED(device), 0); /* LED off */
1248 /* ------------------------------------------------------------------------- */
1251 ulong ide_write (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1256 ide_led (DEVICE_LED(device), 1); /* LED on */
1260 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1262 while (blkcnt-- > 0) {
1264 c = ide_wait (device, IDE_TIME_OUT);
1266 if (c & ATA_STAT_BUSY) {
1267 printf ("IDE read: device %d not ready\n", device);
1271 ide_outb (device, ATA_SECT_CNT, 1);
1272 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1273 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1274 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1275 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1276 ATA_DEVICE(device) |
1277 ((blknr >> 24) & 0xF) );
1278 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1282 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1284 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1285 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1290 output_data (device, buffer, ATA_SECTORWORDS);
1291 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1294 buffer += ATA_SECTORWORDS;
1297 ide_led (DEVICE_LED(device), 0); /* LED off */
1301 /* ------------------------------------------------------------------------- */
1304 * copy src to dest, skipping leading and trailing blanks and null
1305 * terminate the string
1307 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1313 if (src[start]!=' ')
1323 for ( ; start<=end; start++) {
1329 /* ------------------------------------------------------------------------- */
1332 * Wait until Busy bit is off, or timeout (in ms)
1333 * Return last status
1335 static uchar ide_wait (int dev, ulong t)
1337 ulong delay = 10 * t; /* poll every 100 us */
1340 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1349 /* ------------------------------------------------------------------------- */
1351 #ifdef CONFIG_IDE_RESET
1352 extern void ide_set_reset(int idereset);
1354 static void ide_reset (void)
1356 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1357 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1362 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1364 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1365 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1367 ide_set_reset (1); /* assert reset */
1371 #ifdef CFG_PB_12V_ENABLE
1372 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1373 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1374 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1375 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1377 /* wait 500 ms for the voltage to stabilize
1379 for (i=0; i<500; ++i) {
1383 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1384 #endif /* CFG_PB_12V_ENABLE */
1386 #ifdef CFG_PB_IDE_MOTOR
1387 /* configure IDE Motor voltage monitor pin as input */
1388 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1389 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1390 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1392 /* wait up to 1 s for the motor voltage to stabilize
1394 for (i=0; i<1000; ++i) {
1395 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1401 if (i == 1000) { /* Timeout */
1402 printf ("\nWarning: 5V for IDE Motor missing\n");
1403 # ifdef CONFIG_STATUS_LED
1404 # ifdef STATUS_LED_YELLOW
1405 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1407 # ifdef STATUS_LED_GREEN
1408 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1410 # endif /* CONFIG_STATUS_LED */
1412 #endif /* CFG_PB_IDE_MOTOR */
1416 /* de-assert RESET signal */
1420 for (i=0; i<250; ++i) {
1425 #endif /* CONFIG_IDE_RESET */
1427 /* ------------------------------------------------------------------------- */
1429 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) && !defined(CONFIG_BMS2003)
1431 static uchar led_buffer = 0; /* Buffer for current LED status */
1433 static void ide_led (uchar led, uchar status)
1435 uchar *led_port = LED_PORT;
1437 if (status) { /* switch LED on */
1439 } else { /* switch LED off */
1443 *led_port = led_buffer;
1446 #endif /* CONFIG_IDE_LED */
1448 /* ------------------------------------------------------------------------- */
1451 /****************************************************************************
1459 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1461 #define AT_PRINTF(fmt,args...)
1465 /* since ATAPI may use commands with not 4 bytes alligned length
1466 * we have our own transfer functions, 2 bytes alligned */
1468 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1470 #ifndef CONFIG_BMS2003
1472 volatile ushort *pbuf;
1474 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1475 dbuf = (ushort *)sect_buf;
1477 __asm__ volatile ("eieio");
1480 #else /* CONFIG_BMS2003 */
1482 volatile uchar *pbuf_even;
1483 volatile uchar *pbuf_odd;
1485 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1486 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1488 __asm__ volatile ("eieio");
1489 *pbuf_even = *dbuf++;
1490 __asm__ volatile ("eieio");
1491 *pbuf_odd = *dbuf++;
1493 #endif /* CONFIG_BMS2003 */
1497 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1499 #ifndef CONFIG_BMS2003
1501 volatile ushort *pbuf;
1503 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1504 dbuf = (ushort *)sect_buf;
1506 __asm__ volatile ("eieio");
1509 #else /* CONFIG_BMS2003 */
1511 volatile uchar *pbuf_even;
1512 volatile uchar *pbuf_odd;
1514 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1515 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1517 __asm__ volatile ("eieio");
1518 *dbuf++ = *pbuf_even;
1519 __asm__ volatile ("eieio");
1520 *dbuf++ = *pbuf_odd;
1522 #endif /* CONFIG_BMS2003 */
1525 #else /* ! __PPC__ */
1527 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1529 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1534 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1536 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1539 #endif /* __PPC__ */
1542 * Wait until (Status & mask) == res, or timeout (in ms)
1543 * Return last status
1544 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1545 * and then they set their DRQ Bit
1547 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1549 ulong delay = 10 * t; /* poll every 100 us */
1552 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1553 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1554 /* break if error occurs (doesn't make sense to wait more) */
1555 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1566 * issue an atapi command
1568 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1570 unsigned char c,err,mask,res;
1572 ide_led (DEVICE_LED(device), 1); /* LED on */
1576 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1578 #ifdef CONFIG_AMIGAONEG3SE
1579 # warning THF: Removed LBA mode ???
1581 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1582 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1583 if ((c & mask) != res) {
1584 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1588 /* write taskfile */
1589 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1590 ide_outb (device, ATA_SECT_CNT, 0);
1591 ide_outb (device, ATA_SECT_NUM, 0);
1592 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1593 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1594 #ifdef CONFIG_AMIGAONEG3SE
1595 # warning THF: Removed LBA mode ???
1597 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1599 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1602 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1604 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1606 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1607 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1612 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1613 /* ATAPI Command written wait for completition */
1614 udelay (5000); /* device must set bsy */
1616 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1617 /* if no data wait for DRQ = 0 BSY = 0
1618 * if data wait for DRQ = 1 BSY = 0 */
1622 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1623 if ((c & mask) != res ) {
1624 if (c & ATA_STAT_ERR) {
1625 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1626 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1628 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1633 n=ide_inb(device, ATA_CYL_HIGH);
1635 n+=ide_inb(device, ATA_CYL_LOW);
1637 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1641 if((n==0)&&(buflen<0)) {
1642 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1647 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1649 if(n!=0) { /* data transfer */
1650 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1651 /* we transfer shorts */
1653 /* ok now decide if it is an in or output */
1654 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1655 AT_PRINTF("Write to device\n");
1656 output_data_shorts(device,(unsigned short *)buffer,n);
1658 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1659 input_data_shorts(device,(unsigned short *)buffer,n);
1662 udelay(5000); /* seems that some CD ROMs need this... */
1663 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1665 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1666 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1667 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1668 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1673 ide_led (DEVICE_LED(device), 0); /* LED off */
1678 * sending the command to atapi_issue. If an status other than good
1679 * returns, an request_sense will be issued
1682 #define ATAPI_DRIVE_NOT_READY 100
1683 #define ATAPI_UNIT_ATTN 10
1685 unsigned char atapi_issue_autoreq (int device,
1688 unsigned char *buffer,
1691 unsigned char sense_data[18],sense_ccb[12];
1692 unsigned char res,key,asc,ascq;
1693 int notready,unitattn;
1695 #ifdef CONFIG_AMIGAONEG3SE
1697 unsigned int timeout, retrycnt;
1699 s = getenv("ide_cd_timeout");
1700 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1705 unitattn=ATAPI_UNIT_ATTN;
1706 notready=ATAPI_DRIVE_NOT_READY;
1709 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1711 return (0); /* Ok */
1714 return (0xFF); /* error */
1716 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1718 memset(sense_ccb,0,sizeof(sense_ccb));
1719 memset(sense_data,0,sizeof(sense_data));
1720 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1721 sense_ccb[4]=18; /* allocation Length */
1723 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1724 key=(sense_data[2]&0xF);
1725 asc=(sense_data[12]);
1726 ascq=(sense_data[13]);
1728 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1729 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1736 return 0; /* ok device ready */
1738 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1743 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1746 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1751 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1755 AT_PRINTF("Media not present\n");
1759 #ifdef CONFIG_AMIGAONEG3SE
1760 if ((sense_data[2]&0xF)==0x0B) {
1761 AT_PRINTF("ABORTED COMMAND...retry\n");
1767 if ((sense_data[2]&0xf) == 0x02 &&
1768 sense_data[12] == 0x04 &&
1769 sense_data[13] == 0x01 ) {
1770 AT_PRINTF("Waiting for unit to become active\n");
1776 #endif /* CONFIG_AMIGAONEG3SE */
1778 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1780 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1785 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1787 unsigned char ccb[12]; /* Command descriptor block */
1788 unsigned char iobuf[64]; /* temp buf */
1792 device=dev_desc->dev;
1793 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1794 dev_desc->block_read=atapi_read;
1796 memset(ccb,0,sizeof(ccb));
1797 memset(iobuf,0,sizeof(iobuf));
1799 ccb[0]=ATAPI_CMD_INQUIRY;
1800 ccb[4]=40; /* allocation Legnth */
1801 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1803 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1807 /* copy device ident strings */
1808 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1809 ident_cpy(dev_desc->product,&iobuf[16],16);
1810 ident_cpy(dev_desc->revision,&iobuf[32],5);
1815 dev_desc->type=iobuf[0] & 0x1f;
1817 if ((iobuf[1]&0x80)==0x80)
1818 dev_desc->removable = 1;
1820 dev_desc->removable = 0;
1822 memset(ccb,0,sizeof(ccb));
1823 memset(iobuf,0,sizeof(iobuf));
1824 ccb[0]=ATAPI_CMD_START_STOP;
1825 ccb[4]=0x03; /* start */
1827 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1829 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1833 memset(ccb,0,sizeof(ccb));
1834 memset(iobuf,0,sizeof(iobuf));
1835 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1837 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1841 memset(ccb,0,sizeof(ccb));
1842 memset(iobuf,0,sizeof(iobuf));
1843 ccb[0]=ATAPI_CMD_READ_CAP;
1844 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1845 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1849 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1850 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1851 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1853 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1854 ((unsigned long)iobuf[1]<<16) +
1855 ((unsigned long)iobuf[2]<< 8) +
1856 ((unsigned long)iobuf[3]);
1857 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1858 ((unsigned long)iobuf[5]<<16) +
1859 ((unsigned long)iobuf[6]<< 8) +
1860 ((unsigned long)iobuf[7]);
1867 * we transfer only one block per command, since the multiple DRQ per
1868 * command is not yet implemented
1870 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1871 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1872 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1874 ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1877 unsigned char ccb[12]; /* Command descriptor block */
1880 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1881 device, blknr, blkcnt, (ulong)buffer);
1884 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1885 cnt=ATAPI_READ_MAX_BLOCK;
1889 ccb[0]=ATAPI_CMD_READ_12;
1890 ccb[1]=0; /* reserved */
1891 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1892 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1893 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
1894 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
1895 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
1896 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
1897 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
1898 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
1899 ccb[10]=0; /* reserved */
1900 ccb[11]=0; /* reserved */
1902 if (atapi_issue_autoreq(device,ccb,12,
1903 (unsigned char *)buffer,
1904 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
1910 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
1911 } while (blkcnt > 0);
1915 /* ------------------------------------------------------------------------- */
1917 #endif /* CONFIG_ATAPI */
1921 "ide - IDE sub-system\n",
1922 "reset - reset IDE controller\n"
1923 "ide info - show available IDE devices\n"
1924 "ide device [dev] - show or set current device\n"
1925 "ide part [dev] - print partition table of one or all IDE devices\n"
1926 "ide read addr blk# cnt\n"
1927 "ide write addr blk# cnt - read/write `cnt'"
1928 " blocks starting at block `blk#'\n"
1929 " to/from memory address `addr'\n"
1933 diskboot, 3, 1, do_diskboot,
1934 "diskboot- boot from IDE device\n",
1935 "loadAddr dev:part\n"
1938 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */