2 * (C) Copyright 2000-2002
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)
43 #ifdef CONFIG_STATUS_LED
44 # include <status_led.h>
50 #ifdef CONFIG_SHOW_BOOT_PROGRESS
51 # include <status_led.h>
52 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
54 # define SHOW_BOOT_PROGRESS(arg)
62 #define PRINTF(fmt,args...) printf (fmt ,##args)
64 #define PRINTF(fmt,args...)
67 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
69 /* Timings for IDE Interface
71 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
72 * 70 165 30 PIO-Mode 0, [ns]
74 * 50 125 20 PIO-Mode 1, [ns]
76 * 30 100 15 PIO-Mode 2, [ns]
78 * 30 80 10 PIO-Mode 3, [ns]
80 * 25 70 10 PIO-Mode 4, [ns]
84 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
86 /* Setup Length Hold */
87 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
88 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
89 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
90 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
91 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
94 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
97 #define CFG_PIO_MODE 0 /* use a relaxed default */
99 static int pio_mode = CFG_PIO_MODE;
101 /* Make clock cycles and always round up */
103 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
105 /* ------------------------------------------------------------------------- */
107 /* Current I/O Device */
108 static int curr_device = -1;
110 /* Current offset for IDE0 / IDE1 bus access */
111 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
112 #if defined(CFG_ATA_IDE0_OFFSET)
115 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
121 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
124 #ifndef CONFIG_AMIGAONEG3SE
125 static int ide_bus_ok[CFG_IDE_MAXBUS];
127 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
130 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
131 /* ------------------------------------------------------------------------- */
133 #ifdef CONFIG_IDE_LED
135 static void ide_led (uchar led, uchar status);
137 extern void ide_led (uchar led, uchar status);
140 #ifndef CONFIG_AMIGAONEG3SE
141 #define ide_led(a,b) /* dummy */
143 extern void ide_led(uchar led, uchar status);
146 #define CONFIG_IDE_LED 1
147 #define DEVICE_LED(x) 1
151 #ifdef CONFIG_IDE_RESET
152 static void ide_reset (void);
154 #define ide_reset() /* dummy */
157 static void ide_ident (block_dev_desc_t *dev_desc);
158 static uchar ide_wait (int dev, ulong t);
160 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
162 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
164 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
166 static void __inline__ ide_outb(int dev, int port, unsigned char val);
167 static unsigned char __inline__ ide_inb(int dev, int port);
169 static void input_swap_data(int dev, ulong *sect_buf, int words);
171 static void input_data(int dev, ulong *sect_buf, int words);
172 static void output_data(int dev, ulong *sect_buf, int words);
173 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
177 static void atapi_inquiry(block_dev_desc_t *dev_desc);
178 ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer);
182 #ifdef CONFIG_IDE_8xx_DIRECT
183 static void set_pcmcia_timing (int pmode);
185 #define set_pcmcia_timing(a) /* dummy */
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 blk = simple_strtoul(argv[3], NULL, 16);
304 ulong cnt = simple_strtoul(argv[4], NULL, 16);
307 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
308 curr_device, blk, cnt);
310 n = ide_dev_desc[curr_device].block_read (curr_device,
313 /* flush cache after read */
314 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
316 printf ("%ld blocks read: %s\n",
317 n, (n==cnt) ? "OK" : "ERROR");
323 } else if (strcmp(argv[1],"write") == 0) {
324 ulong addr = simple_strtoul(argv[2], NULL, 16);
325 ulong blk = simple_strtoul(argv[3], NULL, 16);
326 ulong cnt = simple_strtoul(argv[4], NULL, 16);
329 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
330 curr_device, blk, cnt);
332 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
334 printf ("%ld blocks written: %s\n",
335 n, (n==cnt) ? "OK" : "ERROR");
342 printf ("Usage:\n%s\n", cmdtp->usage);
350 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
352 char *boot_device = NULL;
357 disk_partition_t info;
363 addr = CFG_LOAD_ADDR;
364 boot_device = getenv ("bootdevice");
367 addr = simple_strtoul(argv[1], NULL, 16);
368 boot_device = getenv ("bootdevice");
371 addr = simple_strtoul(argv[1], NULL, 16);
372 boot_device = argv[2];
375 printf ("Usage:\n%s\n", cmdtp->usage);
376 SHOW_BOOT_PROGRESS (-1);
381 puts ("\n** No boot device **\n");
382 SHOW_BOOT_PROGRESS (-1);
386 dev = simple_strtoul(boot_device, &ep, 16);
388 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
389 printf ("\n** Device %d not available\n", dev);
390 SHOW_BOOT_PROGRESS (-1);
396 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
397 SHOW_BOOT_PROGRESS (-1);
400 part = simple_strtoul(++ep, NULL, 16);
402 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
403 SHOW_BOOT_PROGRESS (-1);
406 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
407 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
408 printf ("\n** Invalid partition type \"%.32s\""
409 " (expect \"" BOOT_PART_TYPE "\")\n",
411 SHOW_BOOT_PROGRESS (-1);
415 printf ("\nLoading from IDE device %d, partition %d: "
416 "Name: %.32s Type: %.32s\n",
417 dev, part, info.name, info.type);
419 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
420 info.start, info.size, info.blksz);
422 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
423 printf ("** Read error on %d:%d\n", dev, part);
424 SHOW_BOOT_PROGRESS (-1);
428 hdr = (image_header_t *)addr;
430 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
432 print_image_hdr (hdr);
434 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
435 cnt += info.blksz - 1;
439 printf("\n** Bad Magic Number **\n");
440 SHOW_BOOT_PROGRESS (-1);
444 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
445 (ulong *)(addr+info.blksz)) != cnt) {
446 printf ("** Read error on %d:%d\n", dev, part);
447 SHOW_BOOT_PROGRESS (-1);
452 /* Loading ok, update default load address */
456 /* Check if we should attempt an auto-start */
457 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
459 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
461 local_args[0] = argv[0];
462 local_args[1] = NULL;
464 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
466 do_bootm (cmdtp, 0, 1, local_args);
472 /* ------------------------------------------------------------------------- */
476 DECLARE_GLOBAL_DATA_PTR;
478 #ifdef CONFIG_IDE_8xx_DIRECT
479 volatile immap_t *immr = (immap_t *)CFG_IMMR;
480 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
484 #ifdef CONFIG_AMIGAONEG3SE
485 unsigned int max_bus_scan;
486 unsigned int ata_reset_time;
490 #ifdef CONFIG_IDE_8xx_PCCARD
491 extern int pcmcia_on (void);
492 extern int ide_devices_found; /* Initialized in check_ide_device() */
496 ide_devices_found = 0;
497 /* initialize the PCMCIA IDE adapter card */
499 if (!ide_devices_found)
501 udelay (1000000); /* 1 s */
502 #endif /* CONFIG_IDE_8xx_PCCARD */
506 /* Initialize PIO timing tables */
507 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
508 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
510 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
512 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
514 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
516 " hold=%2d ns/%d clk\n",
518 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
519 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
520 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
523 /* Reset the IDE just to be sure.
524 * Light LED's to show
526 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
527 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
529 #ifdef CONFIG_IDE_8xx_DIRECT
530 /* PCMCIA / IDE initialization for common mem space */
531 pcmp->pcmc_pgcrb = 0;
534 /* start in PIO mode 0 - most relaxed timings */
536 set_pcmcia_timing (pio_mode);
539 * Wait for IDE to get ready.
540 * According to spec, this can take up to 31 seconds!
542 #ifndef CONFIG_AMIGAONEG3SE
543 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
544 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
546 s = getenv("ide_maxbus");
548 max_bus_scan = simple_strtol(s, NULL, 10);
550 max_bus_scan = CFG_IDE_MAXBUS;
552 for (bus=0; bus<max_bus_scan; ++bus) {
553 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
556 #ifdef CONFIG_IDE_8xx_PCCARD
557 /* Skip non-ide devices from probing */
558 if ((ide_devices_found & (1 << bus)) == 0) {
559 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
563 printf ("Bus %d: ", bus);
569 udelay (100000); /* 100 ms */
570 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
571 udelay (100000); /* 100 ms */
572 #ifdef CONFIG_AMIGAONEG3SE
573 ata_reset_time = ATA_RESET_TIME;
574 s = getenv("ide_reset_timeout");
575 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
579 udelay (10000); /* 10 ms */
581 c = ide_inb (dev, ATA_STATUS);
583 #ifdef CONFIG_AMIGAONEG3SE
584 if (i > (ata_reset_time * 100)) {
586 if (i > (ATA_RESET_TIME * 100)) {
588 puts ("** Timeout **\n");
589 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
590 #ifdef CONFIG_AMIGAONEG3SE
591 /* If this is the second bus, the first one was OK */
600 if ((i >= 100) && ((i%100)==0)) {
603 } while (c & ATA_STAT_BUSY);
605 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
606 puts ("not available ");
607 PRINTF ("Status = 0x%02X ", c);
608 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
609 } else if ((c & ATA_STAT_READY) == 0) {
610 puts ("not available ");
611 PRINTF ("Status = 0x%02X ", c);
620 #ifdef CONFIG_AMIGAONEG3SE
625 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
628 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
629 #ifdef CONFIG_IDE_LED
630 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
632 ide_dev_desc[i].if_type=IF_TYPE_IDE;
633 ide_dev_desc[i].dev=i;
634 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
635 ide_dev_desc[i].blksz=0;
636 ide_dev_desc[i].lba=0;
637 ide_dev_desc[i].block_read=ide_read;
638 if (!ide_bus_ok[IDE_BUS(i)])
640 ide_led (led, 1); /* LED on */
641 ide_ident(&ide_dev_desc[i]);
642 ide_led (led, 0); /* LED off */
643 dev_print(&ide_dev_desc[i]);
645 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
646 init_part (&ide_dev_desc[i]); /* initialize partition type */
654 /* ------------------------------------------------------------------------- */
656 block_dev_desc_t * ide_get_dev(int dev)
658 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
662 #ifdef CONFIG_IDE_8xx_DIRECT
665 set_pcmcia_timing (int pmode)
667 volatile immap_t *immr = (immap_t *)CFG_IMMR;
668 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
671 PRINTF ("Set timing for PIO Mode %d\n", pmode);
673 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
674 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
675 | PCMCIA_SL (pio_config_clk[pmode].t_length)
680 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
681 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
682 #if (CFG_PCMCIA_POR0 != 0)
686 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
688 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
689 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
690 #if (CFG_PCMCIA_POR1 != 0)
694 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
696 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
697 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
698 #if (CFG_PCMCIA_POR2 != 0)
702 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
704 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
705 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
706 #if (CFG_PCMCIA_POR3 != 0)
710 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
714 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
715 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
716 #if (CFG_PCMCIA_POR4 != 0)
720 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
722 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
723 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
724 #if (CFG_PCMCIA_POR5 != 0)
728 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
730 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
731 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
732 #if (CFG_PCMCIA_POR6 != 0)
736 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
738 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
739 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
740 #if (CFG_PCMCIA_POR7 != 0)
744 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
748 #endif /* CONFIG_IDE_8xx_DIRECT */
750 /* ------------------------------------------------------------------------- */
753 static void __inline__
754 ide_outb(int dev, int port, unsigned char val)
756 /* Ensure I/O operations complete */
757 __asm__ volatile("eieio");
758 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
760 printf ("ide_outb: 0x%08lx <== 0x%02x\n", ATA_CURR_BASE(dev)+port, val);
763 #else /* ! __PPC__ */
764 static void __inline__
765 ide_outb(int dev, int port, unsigned char val)
773 static unsigned char __inline__
774 ide_inb(int dev, int port)
777 /* Ensure I/O operations complete */
778 __asm__ volatile("eieio");
779 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
781 printf ("ide_inb: 0x%08lx ==> 0x%02x\n", ATA_CURR_BASE(dev)+port, val);
785 #else /* ! __PPC__ */
786 static unsigned char __inline__
787 ide_inb(int dev, int port)
794 # ifdef CONFIG_AMIGAONEG3SE
796 output_data_short(int dev, ulong *sect_buf, int words)
799 volatile ushort *pbuf;
801 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
802 dbuf = (ushort *)sect_buf;
804 __asm__ volatile ("eieio");
806 __asm__ volatile ("eieio");
812 # endif /* CONFIG_AMIGAONEG3SE */
815 input_swap_data(int dev, ulong *sect_buf, int words)
817 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
818 ushort *dbuf = (ushort *)sect_buf;
821 *dbuf++ = ld_le16(pbuf);
822 *dbuf++ = ld_le16(pbuf);
825 #else /* ! __PPC__ */
826 #define input_swap_data(x,y,z) input_data(x,y,z)
832 output_data(int dev, ulong *sect_buf, int words)
835 volatile ushort *pbuf;
837 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
838 dbuf = (ushort *)sect_buf;
840 __asm__ volatile ("eieio");
842 __asm__ volatile ("eieio");
846 #else /* ! __PPC__ */
848 output_data(int dev, ulong *sect_buf, int words)
850 outsw(ATA_DATA_REG, sect_buf, words<<1);
856 input_data(int dev, ulong *sect_buf, int words)
859 volatile ushort *pbuf;
861 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
862 dbuf = (ushort *)sect_buf;
864 __asm__ volatile ("eieio");
866 __asm__ volatile ("eieio");
870 #else /* ! __PPC__ */
872 input_data(int dev, ulong *sect_buf, int words)
874 insw(ATA_DATA_REG, sect_buf, words << 1);
879 #ifdef CONFIG_AMIGAONEG3SE
881 input_data_short(int dev, ulong *sect_buf, int words)
884 volatile ushort *pbuf;
886 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
887 dbuf = (ushort *)sect_buf;
889 __asm__ volatile ("eieio");
891 __asm__ volatile ("eieio");
902 /* -------------------------------------------------------------------------
904 static void ide_ident (block_dev_desc_t *dev_desc)
906 ulong iobuf[ATA_SECTORWORDS];
908 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
910 #ifdef CONFIG_AMIGAONEG3SE
918 int mode, cycle_time;
921 device=dev_desc->dev;
922 printf (" Device %d: ", device);
924 #ifdef CONFIG_AMIGAONEG3SE
925 s = getenv("ide_maxbus");
927 max_bus_scan = simple_strtol(s, NULL, 10);
929 max_bus_scan = CFG_IDE_MAXBUS;
931 if (device >= max_bus_scan*2) {
932 dev_desc->type=DEV_TYPE_UNKNOWN;
937 ide_led (DEVICE_LED(device), 1); /* LED on */
940 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
941 dev_desc->if_type=IF_TYPE_IDE;
944 #ifdef CONFIG_AMIGAONEG3SE
948 /* Warning: This will be tricky to read */
951 #endif /* CONFIG_AMIGAONEG3SE */
953 /* check signature */
954 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
955 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
956 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
957 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
958 /* ATAPI Signature found */
959 dev_desc->if_type=IF_TYPE_ATAPI;
960 /* Start Ident Command
962 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
964 * Wait for completion - ATAPI devices need more time
967 c = ide_wait (device, ATAPI_TIME_OUT);
972 /* Start Ident Command
974 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
976 /* Wait for completion
978 c = ide_wait (device, IDE_TIME_OUT);
980 ide_led (DEVICE_LED(device), 0); /* LED off */
982 if (((c & ATA_STAT_DRQ) == 0) ||
983 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
984 #ifdef CONFIG_AMIGAONEG3SE
988 dev_desc->type=DEV_TYPE_UNKNOWN;
992 dev_desc->type=DEV_TYPE_UNKNOWN;
994 #endif /* CONFIG_AMIGAONEG3SE */
997 #ifdef CONFIG_AMIGAONEG3SE
998 s = getenv("ide_doreset");
999 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1000 /* Need to soft reset the device in case it's an ATAPI... */
1001 PRINTF("Retrying...\n");
1002 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1004 ide_outb (device, ATA_COMMAND, 0x08);
1005 udelay (100000); /* 100 ms */
1010 } /* see above - ugly to read */
1011 #endif /* CONFIG_AMIGAONEG3SE */
1013 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1015 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1016 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1017 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1019 if ((iop->config & 0x0080)==0x0080)
1020 dev_desc->removable = 1;
1022 dev_desc->removable = 0;
1026 * Drive PIO mode autoselection
1030 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1031 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1033 PRINTF ("Override tPIO -> 2\n");
1035 if (iop->field_valid & 2) { /* drive implements ATA2? */
1036 PRINTF ("Drive implements ATA2\n");
1037 if (iop->capability & 8) { /* drive supports use_iordy? */
1038 cycle_time = iop->eide_pio_iordy;
1040 cycle_time = iop->eide_pio;
1042 PRINTF ("cycle time = %d\n", cycle_time);
1044 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1045 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1046 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1047 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1049 printf ("PIO mode to use: PIO %d\n", mode);
1053 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1054 atapi_inquiry(dev_desc);
1057 #endif /* CONFIG_ATAPI */
1060 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1062 dev_desc->type=DEV_TYPE_HARDDISK;
1063 dev_desc->blksz=ATA_BLOCKSIZE;
1064 dev_desc->lun=0; /* just to fill something in... */
1066 #if 0 /* only used to test the powersaving mode,
1067 * if enabled, the drive goes after 5 sec
1068 * in standby mode */
1069 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1070 c = ide_wait (device, IDE_TIME_OUT);
1071 ide_outb (device, ATA_SECT_CNT, 1);
1072 ide_outb (device, ATA_LBA_LOW, 0);
1073 ide_outb (device, ATA_LBA_MID, 0);
1074 ide_outb (device, ATA_LBA_HIGH, 0);
1075 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1076 ATA_DEVICE(device));
1077 ide_outb (device, ATA_COMMAND, 0xe3);
1079 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1084 /* ------------------------------------------------------------------------- */
1086 ulong ide_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1090 unsigned char pwrsave=0; /* power save */
1092 PRINTF ("ide_read dev %d start %lX, blocks %lX buffer at %lX\n",
1093 device, blknr, blkcnt, (ulong)buffer);
1095 ide_led (DEVICE_LED(device), 1); /* LED on */
1099 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1100 c = ide_wait (device, IDE_TIME_OUT);
1102 if (c & ATA_STAT_BUSY) {
1103 printf ("IDE read: device %d not ready\n", device);
1107 /* first check if the drive is in Powersaving mode, if yes,
1108 * increase the timeout value */
1109 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1112 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1114 if (c & ATA_STAT_BUSY) {
1115 printf ("IDE read: device %d not ready\n", device);
1118 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1119 printf ("No Powersaving mode %X\n", c);
1121 c = ide_inb(device,ATA_SECT_CNT);
1122 PRINTF("Powersaving %02X\n",c);
1128 while (blkcnt-- > 0) {
1130 c = ide_wait (device, IDE_TIME_OUT);
1132 if (c & ATA_STAT_BUSY) {
1133 printf ("IDE read: device %d not ready\n", device);
1137 ide_outb (device, ATA_SECT_CNT, 1);
1138 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1139 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1140 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1141 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1142 ATA_DEVICE(device) |
1143 ((blknr >> 24) & 0xF) );
1144 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1149 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1152 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1155 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1156 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1161 input_data (device, buffer, ATA_SECTORWORDS);
1162 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1166 buffer += ATA_SECTORWORDS;
1169 ide_led (DEVICE_LED(device), 0); /* LED off */
1173 /* ------------------------------------------------------------------------- */
1176 ulong ide_write (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1181 ide_led (DEVICE_LED(device), 1); /* LED on */
1185 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1187 while (blkcnt-- > 0) {
1189 c = ide_wait (device, IDE_TIME_OUT);
1191 if (c & ATA_STAT_BUSY) {
1192 printf ("IDE read: device %d not ready\n", device);
1196 ide_outb (device, ATA_SECT_CNT, 1);
1197 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1198 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1199 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1200 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1201 ATA_DEVICE(device) |
1202 ((blknr >> 24) & 0xF) );
1203 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1207 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1209 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1210 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1215 output_data (device, buffer, ATA_SECTORWORDS);
1216 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1219 buffer += ATA_SECTORWORDS;
1222 ide_led (DEVICE_LED(device), 0); /* LED off */
1226 /* ------------------------------------------------------------------------- */
1229 * copy src to dest, skipping leading and trailing blanks and null
1230 * terminate the string
1232 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1238 if (src[start]!=' ')
1248 for ( ; start<=end; start++) {
1254 /* ------------------------------------------------------------------------- */
1257 * Wait until Busy bit is off, or timeout (in ms)
1258 * Return last status
1260 static uchar ide_wait (int dev, ulong t)
1262 ulong delay = 10 * t; /* poll every 100 us */
1265 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1274 /* ------------------------------------------------------------------------- */
1276 #ifdef CONFIG_IDE_RESET
1277 extern void ide_set_reset(int idereset);
1279 static void ide_reset (void)
1281 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1282 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1287 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1289 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1290 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1292 ide_set_reset (1); /* assert reset */
1296 #ifdef CFG_PB_12V_ENABLE
1297 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1298 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1299 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1300 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1302 /* wait 500 ms for the voltage to stabilize
1304 for (i=0; i<500; ++i) {
1308 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1309 #endif /* CFG_PB_12V_ENABLE */
1311 #ifdef CFG_PB_IDE_MOTOR
1312 /* configure IDE Motor voltage monitor pin as input */
1313 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1314 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1315 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1317 /* wait up to 1 s for the motor voltage to stabilize
1319 for (i=0; i<1000; ++i) {
1320 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1326 if (i == 1000) { /* Timeout */
1327 printf ("\nWarning: 5V for IDE Motor missing\n");
1328 # ifdef CONFIG_STATUS_LED
1329 # ifdef STATUS_LED_YELLOW
1330 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1332 # ifdef STATUS_LED_GREEN
1333 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1335 # endif /* CONFIG_STATUS_LED */
1337 #endif /* CFG_PB_IDE_MOTOR */
1341 /* de-assert RESET signal */
1345 for (i=0; i<250; ++i) {
1350 #endif /* CONFIG_IDE_RESET */
1352 /* ------------------------------------------------------------------------- */
1354 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K)
1356 static uchar led_buffer = 0; /* Buffer for current LED status */
1358 static void ide_led (uchar led, uchar status)
1360 uchar *led_port = LED_PORT;
1362 if (status) { /* switch LED on */
1364 } else { /* switch LED off */
1368 *led_port = led_buffer;
1371 #endif /* CONFIG_IDE_LED */
1373 /* ------------------------------------------------------------------------- */
1376 /****************************************************************************
1384 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1386 #define AT_PRINTF(fmt,args...)
1390 /* since ATAPI may use commands with not 4 bytes alligned length
1391 * we have our own transfer functions, 2 bytes alligned */
1393 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1396 volatile ushort *pbuf;
1398 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1399 dbuf = (ushort *)sect_buf;
1401 __asm__ volatile ("eieio");
1407 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1410 volatile ushort *pbuf;
1412 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1413 dbuf = (ushort *)sect_buf;
1415 __asm__ volatile ("eieio");
1420 #else /* ! __PPC__ */
1422 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1424 outsw(ATA_DATA_REG, sect_buf, shorts);
1429 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1431 insw(ATA_DATA_REG, sect_buf, shorts);
1434 #endif /* __PPC__ */
1437 * Wait until (Status & mask) == res, or timeout (in ms)
1438 * Return last status
1439 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1440 * and then they set their DRQ Bit
1442 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1444 ulong delay = 10 * t; /* poll every 100 us */
1447 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1448 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1449 /* break if error occurs (doesn't make sense to wait more) */
1450 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1461 * issue an atapi command
1463 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1465 unsigned char c,err,mask,res;
1467 ide_led (DEVICE_LED(device), 1); /* LED on */
1471 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1473 #ifdef CONFIG_AMIGAONEG3SE
1474 # warning THF: Removed LBA mode ???
1476 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1477 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1478 if ((c & mask) != res) {
1479 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1483 /* write taskfile */
1484 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1485 ide_outb (device, ATA_SECT_CNT, 0);
1486 ide_outb (device, ATA_SECT_NUM, 0);
1487 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1488 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1489 #ifdef CONFIG_AMIGAONEG3SE
1490 # warning THF: Removed LBA mode ???
1492 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1494 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1497 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1499 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1501 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1502 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1507 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1508 /* ATAPI Command written wait for completition */
1509 udelay (5000); /* device must set bsy */
1511 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1512 /* if no data wait for DRQ = 0 BSY = 0
1513 * if data wait for DRQ = 1 BSY = 0 */
1517 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1518 if ((c & mask) != res ) {
1519 if (c & ATA_STAT_ERR) {
1520 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1521 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1523 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1528 n=ide_inb(device, ATA_CYL_HIGH);
1530 n+=ide_inb(device, ATA_CYL_LOW);
1532 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1536 if((n==0)&&(buflen<0)) {
1537 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1542 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1544 if(n!=0) { /* data transfer */
1545 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1546 /* we transfer shorts */
1548 /* ok now decide if it is an in or output */
1549 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1550 AT_PRINTF("Write to device\n");
1551 output_data_shorts(device,(unsigned short *)buffer,n);
1553 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1554 input_data_shorts(device,(unsigned short *)buffer,n);
1557 udelay(5000); /* seems that some CD ROMs need this... */
1558 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1560 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1561 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1562 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1563 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1568 ide_led (DEVICE_LED(device), 0); /* LED off */
1573 * sending the command to atapi_issue. If an status other than good
1574 * returns, an request_sense will be issued
1577 #define ATAPI_DRIVE_NOT_READY 100
1578 #define ATAPI_UNIT_ATTN 10
1580 unsigned char atapi_issue_autoreq (int device,
1583 unsigned char *buffer,
1586 unsigned char sense_data[18],sense_ccb[12];
1587 unsigned char res,key,asc,ascq;
1588 int notready,unitattn;
1590 #ifdef CONFIG_AMIGAONEG3SE
1592 unsigned int timeout, retrycnt;
1594 s = getenv("ide_cd_timeout");
1595 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1600 unitattn=ATAPI_UNIT_ATTN;
1601 notready=ATAPI_DRIVE_NOT_READY;
1604 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1606 return (0); /* Ok */
1609 return (0xFF); /* error */
1611 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1613 memset(sense_ccb,0,sizeof(sense_ccb));
1614 memset(sense_data,0,sizeof(sense_data));
1615 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1616 sense_ccb[4]=18; /* allocation Length */
1618 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1619 key=(sense_data[2]&0xF);
1620 asc=(sense_data[12]);
1621 ascq=(sense_data[13]);
1623 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1624 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1631 return 0; /* ok device ready */
1633 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1638 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1641 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1646 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1650 AT_PRINTF("Media not present\n");
1654 #ifdef CONFIG_AMIGAONEG3SE
1655 if ((sense_data[2]&0xF)==0x0B) {
1656 AT_PRINTF("ABORTED COMMAND...retry\n");
1662 if ((sense_data[2]&0xf) == 0x02 &&
1663 sense_data[12] == 0x04 &&
1664 sense_data[13] == 0x01 ) {
1665 AT_PRINTF("Waiting for unit to become active\n");
1671 #endif /* CONFIG_AMIGAONEG3SE */
1673 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1675 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1680 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1682 unsigned char ccb[12]; /* Command descriptor block */
1683 unsigned char iobuf[64]; /* temp buf */
1687 device=dev_desc->dev;
1688 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1689 dev_desc->block_read=atapi_read;
1691 memset(ccb,0,sizeof(ccb));
1692 memset(iobuf,0,sizeof(iobuf));
1694 ccb[0]=ATAPI_CMD_INQUIRY;
1695 ccb[4]=40; /* allocation Legnth */
1696 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1698 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1702 /* copy device ident strings */
1703 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1704 ident_cpy(dev_desc->product,&iobuf[16],16);
1705 ident_cpy(dev_desc->revision,&iobuf[32],5);
1710 dev_desc->type=iobuf[0] & 0x1f;
1712 if ((iobuf[1]&0x80)==0x80)
1713 dev_desc->removable = 1;
1715 dev_desc->removable = 0;
1717 memset(ccb,0,sizeof(ccb));
1718 memset(iobuf,0,sizeof(iobuf));
1719 ccb[0]=ATAPI_CMD_START_STOP;
1720 ccb[4]=0x03; /* start */
1722 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1724 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1728 memset(ccb,0,sizeof(ccb));
1729 memset(iobuf,0,sizeof(iobuf));
1730 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1732 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1736 memset(ccb,0,sizeof(ccb));
1737 memset(iobuf,0,sizeof(iobuf));
1738 ccb[0]=ATAPI_CMD_READ_CAP;
1739 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1740 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1744 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1745 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1746 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1748 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1749 ((unsigned long)iobuf[1]<<16) +
1750 ((unsigned long)iobuf[2]<< 8) +
1751 ((unsigned long)iobuf[3]);
1752 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1753 ((unsigned long)iobuf[5]<<16) +
1754 ((unsigned long)iobuf[6]<< 8) +
1755 ((unsigned long)iobuf[7]);
1762 * we transfer only one block per command, since the multiple DRQ per
1763 * command is not yet implemented
1765 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1766 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1767 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1769 ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1772 unsigned char ccb[12]; /* Command descriptor block */
1775 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1776 device, blknr, blkcnt, (ulong)buffer);
1779 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1780 cnt=ATAPI_READ_MAX_BLOCK;
1784 ccb[0]=ATAPI_CMD_READ_12;
1785 ccb[1]=0; /* reserved */
1786 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1787 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1788 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
1789 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
1790 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
1791 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
1792 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
1793 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
1794 ccb[10]=0; /* reserved */
1795 ccb[11]=0; /* reserved */
1797 if (atapi_issue_autoreq(device,ccb,12,
1798 (unsigned char *)buffer,
1799 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
1805 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
1806 } while (blkcnt > 0);
1810 /* ------------------------------------------------------------------------- */
1812 #endif /* CONFIG_ATAPI */
1814 cmd_tbl_t U_BOOT_CMD(IDE) = MK_CMD_ENTRY(
1815 "ide", 5, 1, do_ide,
1816 "ide - IDE sub-system\n",
1817 "reset - reset IDE controller\n"
1818 "ide info - show available IDE devices\n"
1819 "ide device [dev] - show or set current device\n"
1820 "ide part [dev] - print partition table of one or all IDE devices\n"
1821 "ide read addr blk# cnt\n"
1822 "ide write addr blk# cnt - read/write `cnt'"
1823 " blocks starting at block `blk#'\n"
1824 " to/from memory address `addr'\n"
1827 cmd_tbl_t U_BOOT_CMD(DISK) = MK_CMD_ENTRY(
1828 "diskboot", 3, 1, do_diskboot,
1829 "diskboot- boot from IDE device\n",
1830 "loadAddr dev:part\n"
1833 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */