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)
42 #ifdef CONFIG_STATUS_LED
43 # include <status_led.h>
48 /* Macros depend on this variable */
49 static unsigned long mips_io_port_base = 0;
53 #ifdef CONFIG_SHOW_BOOT_PROGRESS
54 # include <status_led.h>
55 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
57 # define SHOW_BOOT_PROGRESS(arg)
65 #define PRINTF(fmt,args...) printf (fmt ,##args)
67 #define PRINTF(fmt,args...)
70 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
72 #ifdef CONFIG_IDE_8xx_DIRECT
73 /* Timings for IDE Interface
75 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
76 * 70 165 30 PIO-Mode 0, [ns]
78 * 50 125 20 PIO-Mode 1, [ns]
80 * 30 100 15 PIO-Mode 2, [ns]
82 * 30 80 10 PIO-Mode 3, [ns]
84 * 25 70 10 PIO-Mode 4, [ns]
88 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
90 /* Setup Length Hold */
91 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
92 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
93 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
94 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
95 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
98 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
101 #define CFG_PIO_MODE 0 /* use a relaxed default */
103 static int pio_mode = CFG_PIO_MODE;
105 /* Make clock cycles and always round up */
107 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
109 #endif /* CONFIG_IDE_8xx_DIRECT */
111 /* ------------------------------------------------------------------------- */
113 /* Current I/O Device */
114 static int curr_device = -1;
116 /* Current offset for IDE0 / IDE1 bus access */
117 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
118 #if defined(CFG_ATA_IDE0_OFFSET)
121 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
127 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
129 #ifndef CONFIG_AMIGAONEG3SE
130 static int ide_bus_ok[CFG_IDE_MAXBUS];
132 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
135 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
136 /* ------------------------------------------------------------------------- */
138 #ifdef CONFIG_IDE_LED
140 static void ide_led (uchar led, uchar status);
142 extern void ide_led (uchar led, uchar status);
145 #ifndef CONFIG_AMIGAONEG3SE
146 #define ide_led(a,b) /* dummy */
148 extern void ide_led(uchar led, uchar status);
151 #define CONFIG_IDE_LED 1
152 #define DEVICE_LED(x) 1
156 #ifdef CONFIG_IDE_RESET
157 static void ide_reset (void);
159 #define ide_reset() /* dummy */
162 static void ide_ident (block_dev_desc_t *dev_desc);
163 static uchar ide_wait (int dev, ulong t);
165 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
167 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
169 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
171 static void __inline__ ide_outb(int dev, int port, unsigned char val);
172 static unsigned char __inline__ ide_inb(int dev, int port);
174 static void input_swap_data(int dev, ulong *sect_buf, int words);
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;
493 #ifdef CONFIG_IDE_8xx_PCCARD
494 extern int pcmcia_on (void);
495 extern int ide_devices_found; /* Initialized in check_ide_device() */
499 ide_devices_found = 0;
500 /* initialize the PCMCIA IDE adapter card */
502 if (!ide_devices_found)
504 udelay (1000000); /* 1 s */
505 #endif /* CONFIG_IDE_8xx_PCCARD */
509 #ifdef CONFIG_IDE_8xx_DIRECT
510 /* Initialize PIO timing tables */
511 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
512 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
514 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
516 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
518 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
520 " hold=%2d ns/%d clk\n",
522 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
523 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
524 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
526 #endif /* CONFIG_IDE_8xx_DIRECT */
528 /* Reset the IDE just to be sure.
529 * Light LED's to show
531 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
532 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
534 #ifdef CONFIG_IDE_8xx_DIRECT
535 /* PCMCIA / IDE initialization for common mem space */
536 pcmp->pcmc_pgcrb = 0;
538 /* start in PIO mode 0 - most relaxed timings */
540 set_pcmcia_timing (pio_mode);
541 #endif /* CONFIG_IDE_8xx_DIRECT */
544 * Wait for IDE to get ready.
545 * According to spec, this can take up to 31 seconds!
547 #ifndef CONFIG_AMIGAONEG3SE
548 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
549 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
551 s = getenv("ide_maxbus");
553 max_bus_scan = simple_strtol(s, NULL, 10);
555 max_bus_scan = CFG_IDE_MAXBUS;
557 for (bus=0; bus<max_bus_scan; ++bus) {
558 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
561 #ifdef CONFIG_IDE_8xx_PCCARD
562 /* Skip non-ide devices from probing */
563 if ((ide_devices_found & (1 << bus)) == 0) {
564 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
568 printf ("Bus %d: ", bus);
574 udelay (100000); /* 100 ms */
575 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
576 udelay (100000); /* 100 ms */
577 #ifdef CONFIG_AMIGAONEG3SE
578 ata_reset_time = ATA_RESET_TIME;
579 s = getenv("ide_reset_timeout");
580 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
584 udelay (10000); /* 10 ms */
586 c = ide_inb (dev, ATA_STATUS);
588 #ifdef CONFIG_AMIGAONEG3SE
589 if (i > (ata_reset_time * 100)) {
591 if (i > (ATA_RESET_TIME * 100)) {
593 puts ("** Timeout **\n");
594 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
595 #ifdef CONFIG_AMIGAONEG3SE
596 /* If this is the second bus, the first one was OK */
605 if ((i >= 100) && ((i%100)==0)) {
608 } while (c & ATA_STAT_BUSY);
610 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
611 puts ("not available ");
612 PRINTF ("Status = 0x%02X ", c);
613 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
614 } else if ((c & ATA_STAT_READY) == 0) {
615 puts ("not available ");
616 PRINTF ("Status = 0x%02X ", c);
625 #ifdef CONFIG_AMIGAONEG3SE
630 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
633 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
634 #ifdef CONFIG_IDE_LED
635 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
637 ide_dev_desc[i].if_type=IF_TYPE_IDE;
638 ide_dev_desc[i].dev=i;
639 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
640 ide_dev_desc[i].blksz=0;
641 ide_dev_desc[i].lba=0;
642 ide_dev_desc[i].block_read=ide_read;
643 if (!ide_bus_ok[IDE_BUS(i)])
645 ide_led (led, 1); /* LED on */
646 ide_ident(&ide_dev_desc[i]);
647 ide_led (led, 0); /* LED off */
648 dev_print(&ide_dev_desc[i]);
650 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
651 init_part (&ide_dev_desc[i]); /* initialize partition type */
659 /* ------------------------------------------------------------------------- */
661 block_dev_desc_t * ide_get_dev(int dev)
663 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
667 #ifdef CONFIG_IDE_8xx_DIRECT
670 set_pcmcia_timing (int pmode)
672 volatile immap_t *immr = (immap_t *)CFG_IMMR;
673 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
676 PRINTF ("Set timing for PIO Mode %d\n", pmode);
678 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
679 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
680 | PCMCIA_SL (pio_config_clk[pmode].t_length)
685 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
686 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
687 #if (CFG_PCMCIA_POR0 != 0)
691 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
693 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
694 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
695 #if (CFG_PCMCIA_POR1 != 0)
699 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
701 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
702 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
703 #if (CFG_PCMCIA_POR2 != 0)
707 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
709 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
710 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
711 #if (CFG_PCMCIA_POR3 != 0)
715 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
719 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
720 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
721 #if (CFG_PCMCIA_POR4 != 0)
725 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
727 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
728 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
729 #if (CFG_PCMCIA_POR5 != 0)
733 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
735 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
736 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
737 #if (CFG_PCMCIA_POR6 != 0)
741 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
743 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
744 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
745 #if (CFG_PCMCIA_POR7 != 0)
749 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
753 #endif /* CONFIG_IDE_8xx_DIRECT */
755 /* ------------------------------------------------------------------------- */
758 static void __inline__
759 ide_outb(int dev, int port, unsigned char val)
761 /* Ensure I/O operations complete */
762 __asm__ volatile("eieio");
763 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
765 printf ("ide_outb: 0x%08lx <== 0x%02x\n", ATA_CURR_BASE(dev)+port, val);
768 #else /* ! __PPC__ */
769 static void __inline__
770 ide_outb(int dev, int port, unsigned char val)
772 outb(val, ATA_CURR_BASE(dev)+port);
778 static unsigned char __inline__
779 ide_inb(int dev, int port)
782 /* Ensure I/O operations complete */
783 __asm__ volatile("eieio");
784 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
786 printf ("ide_inb: 0x%08lx ==> 0x%02x\n", ATA_CURR_BASE(dev)+port, val);
790 #else /* ! __PPC__ */
791 static unsigned char __inline__
792 ide_inb(int dev, int port)
794 return inb(ATA_CURR_BASE(dev)+port);
799 # ifdef CONFIG_AMIGAONEG3SE
801 output_data_short(int dev, ulong *sect_buf, int words)
804 volatile ushort *pbuf;
806 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
807 dbuf = (ushort *)sect_buf;
809 __asm__ volatile ("eieio");
811 __asm__ volatile ("eieio");
817 # endif /* CONFIG_AMIGAONEG3SE */
820 input_swap_data(int dev, ulong *sect_buf, int words)
822 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
823 ushort *dbuf = (ushort *)sect_buf;
826 *dbuf++ = ld_le16(pbuf);
827 *dbuf++ = ld_le16(pbuf);
830 #else /* ! __PPC__ */
831 #define input_swap_data(x,y,z) input_data(x,y,z)
837 output_data(int dev, ulong *sect_buf, int words)
840 volatile ushort *pbuf;
842 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
843 dbuf = (ushort *)sect_buf;
845 __asm__ volatile ("eieio");
847 __asm__ volatile ("eieio");
851 #else /* ! __PPC__ */
853 output_data(int dev, ulong *sect_buf, int words)
855 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
861 input_data(int dev, ulong *sect_buf, int words)
864 volatile ushort *pbuf;
866 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
867 dbuf = (ushort *)sect_buf;
869 __asm__ volatile ("eieio");
871 __asm__ volatile ("eieio");
875 #else /* ! __PPC__ */
877 input_data(int dev, ulong *sect_buf, int words)
879 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
884 #ifdef CONFIG_AMIGAONEG3SE
886 input_data_short(int dev, ulong *sect_buf, int words)
889 volatile ushort *pbuf;
891 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
892 dbuf = (ushort *)sect_buf;
894 __asm__ volatile ("eieio");
896 __asm__ volatile ("eieio");
907 /* -------------------------------------------------------------------------
909 static void ide_ident (block_dev_desc_t *dev_desc)
911 ulong iobuf[ATA_SECTORWORDS];
913 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
915 #ifdef CONFIG_AMIGAONEG3SE
923 int mode, cycle_time;
926 device=dev_desc->dev;
927 printf (" Device %d: ", device);
929 #ifdef CONFIG_AMIGAONEG3SE
930 s = getenv("ide_maxbus");
932 max_bus_scan = simple_strtol(s, NULL, 10);
934 max_bus_scan = CFG_IDE_MAXBUS;
936 if (device >= max_bus_scan*2) {
937 dev_desc->type=DEV_TYPE_UNKNOWN;
942 ide_led (DEVICE_LED(device), 1); /* LED on */
945 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
946 dev_desc->if_type=IF_TYPE_IDE;
949 #ifdef CONFIG_AMIGAONEG3SE
953 /* Warning: This will be tricky to read */
956 #endif /* CONFIG_AMIGAONEG3SE */
958 /* check signature */
959 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
960 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
961 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
962 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
963 /* ATAPI Signature found */
964 dev_desc->if_type=IF_TYPE_ATAPI;
965 /* Start Ident Command
967 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
969 * Wait for completion - ATAPI devices need more time
972 c = ide_wait (device, ATAPI_TIME_OUT);
977 /* Start Ident Command
979 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
981 /* Wait for completion
983 c = ide_wait (device, IDE_TIME_OUT);
985 ide_led (DEVICE_LED(device), 0); /* LED off */
987 if (((c & ATA_STAT_DRQ) == 0) ||
988 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
989 #ifdef CONFIG_AMIGAONEG3SE
993 dev_desc->type=DEV_TYPE_UNKNOWN;
997 dev_desc->type=DEV_TYPE_UNKNOWN;
999 #endif /* CONFIG_AMIGAONEG3SE */
1002 #ifdef CONFIG_AMIGAONEG3SE
1003 s = getenv("ide_doreset");
1004 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1005 /* Need to soft reset the device in case it's an ATAPI... */
1006 PRINTF("Retrying...\n");
1007 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1009 ide_outb (device, ATA_COMMAND, 0x08);
1010 udelay (100000); /* 100 ms */
1015 } /* see above - ugly to read */
1016 #endif /* CONFIG_AMIGAONEG3SE */
1018 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1020 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1021 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1022 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1024 if ((iop->config & 0x0080)==0x0080)
1025 dev_desc->removable = 1;
1027 dev_desc->removable = 0;
1031 * Drive PIO mode autoselection
1035 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1036 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1038 PRINTF ("Override tPIO -> 2\n");
1040 if (iop->field_valid & 2) { /* drive implements ATA2? */
1041 PRINTF ("Drive implements ATA2\n");
1042 if (iop->capability & 8) { /* drive supports use_iordy? */
1043 cycle_time = iop->eide_pio_iordy;
1045 cycle_time = iop->eide_pio;
1047 PRINTF ("cycle time = %d\n", cycle_time);
1049 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1050 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1051 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1052 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1054 printf ("PIO mode to use: PIO %d\n", mode);
1058 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1059 atapi_inquiry(dev_desc);
1062 #endif /* CONFIG_ATAPI */
1065 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1067 dev_desc->type=DEV_TYPE_HARDDISK;
1068 dev_desc->blksz=ATA_BLOCKSIZE;
1069 dev_desc->lun=0; /* just to fill something in... */
1071 #if 0 /* only used to test the powersaving mode,
1072 * if enabled, the drive goes after 5 sec
1073 * in standby mode */
1074 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1075 c = ide_wait (device, IDE_TIME_OUT);
1076 ide_outb (device, ATA_SECT_CNT, 1);
1077 ide_outb (device, ATA_LBA_LOW, 0);
1078 ide_outb (device, ATA_LBA_MID, 0);
1079 ide_outb (device, ATA_LBA_HIGH, 0);
1080 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1081 ATA_DEVICE(device));
1082 ide_outb (device, ATA_COMMAND, 0xe3);
1084 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1089 /* ------------------------------------------------------------------------- */
1091 ulong ide_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1095 unsigned char pwrsave=0; /* power save */
1097 PRINTF ("ide_read dev %d start %lX, blocks %lX buffer at %lX\n",
1098 device, blknr, blkcnt, (ulong)buffer);
1100 ide_led (DEVICE_LED(device), 1); /* LED on */
1104 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1105 c = ide_wait (device, IDE_TIME_OUT);
1107 if (c & ATA_STAT_BUSY) {
1108 printf ("IDE read: device %d not ready\n", device);
1112 /* first check if the drive is in Powersaving mode, if yes,
1113 * increase the timeout value */
1114 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1117 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1119 if (c & ATA_STAT_BUSY) {
1120 printf ("IDE read: device %d not ready\n", device);
1123 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1124 printf ("No Powersaving mode %X\n", c);
1126 c = ide_inb(device,ATA_SECT_CNT);
1127 PRINTF("Powersaving %02X\n",c);
1133 while (blkcnt-- > 0) {
1135 c = ide_wait (device, IDE_TIME_OUT);
1137 if (c & ATA_STAT_BUSY) {
1138 printf ("IDE read: device %d not ready\n", device);
1142 ide_outb (device, ATA_SECT_CNT, 1);
1143 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1144 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1145 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1146 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1147 ATA_DEVICE(device) |
1148 ((blknr >> 24) & 0xF) );
1149 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1154 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1157 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1160 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1161 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1166 input_data (device, buffer, ATA_SECTORWORDS);
1167 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1171 buffer += ATA_SECTORWORDS;
1174 ide_led (DEVICE_LED(device), 0); /* LED off */
1178 /* ------------------------------------------------------------------------- */
1181 ulong ide_write (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1186 ide_led (DEVICE_LED(device), 1); /* LED on */
1190 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1192 while (blkcnt-- > 0) {
1194 c = ide_wait (device, IDE_TIME_OUT);
1196 if (c & ATA_STAT_BUSY) {
1197 printf ("IDE read: device %d not ready\n", device);
1201 ide_outb (device, ATA_SECT_CNT, 1);
1202 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1203 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1204 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1205 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1206 ATA_DEVICE(device) |
1207 ((blknr >> 24) & 0xF) );
1208 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1212 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1214 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1215 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1220 output_data (device, buffer, ATA_SECTORWORDS);
1221 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1224 buffer += ATA_SECTORWORDS;
1227 ide_led (DEVICE_LED(device), 0); /* LED off */
1231 /* ------------------------------------------------------------------------- */
1234 * copy src to dest, skipping leading and trailing blanks and null
1235 * terminate the string
1237 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1243 if (src[start]!=' ')
1253 for ( ; start<=end; start++) {
1259 /* ------------------------------------------------------------------------- */
1262 * Wait until Busy bit is off, or timeout (in ms)
1263 * Return last status
1265 static uchar ide_wait (int dev, ulong t)
1267 ulong delay = 10 * t; /* poll every 100 us */
1270 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1279 /* ------------------------------------------------------------------------- */
1281 #ifdef CONFIG_IDE_RESET
1282 extern void ide_set_reset(int idereset);
1284 static void ide_reset (void)
1286 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1287 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1292 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1294 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1295 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1297 ide_set_reset (1); /* assert reset */
1301 #ifdef CFG_PB_12V_ENABLE
1302 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1303 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1304 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1305 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1307 /* wait 500 ms for the voltage to stabilize
1309 for (i=0; i<500; ++i) {
1313 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1314 #endif /* CFG_PB_12V_ENABLE */
1316 #ifdef CFG_PB_IDE_MOTOR
1317 /* configure IDE Motor voltage monitor pin as input */
1318 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1319 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1320 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1322 /* wait up to 1 s for the motor voltage to stabilize
1324 for (i=0; i<1000; ++i) {
1325 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1331 if (i == 1000) { /* Timeout */
1332 printf ("\nWarning: 5V for IDE Motor missing\n");
1333 # ifdef CONFIG_STATUS_LED
1334 # ifdef STATUS_LED_YELLOW
1335 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1337 # ifdef STATUS_LED_GREEN
1338 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1340 # endif /* CONFIG_STATUS_LED */
1342 #endif /* CFG_PB_IDE_MOTOR */
1346 /* de-assert RESET signal */
1350 for (i=0; i<250; ++i) {
1355 #endif /* CONFIG_IDE_RESET */
1357 /* ------------------------------------------------------------------------- */
1359 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K)
1361 static uchar led_buffer = 0; /* Buffer for current LED status */
1363 static void ide_led (uchar led, uchar status)
1365 uchar *led_port = LED_PORT;
1367 if (status) { /* switch LED on */
1369 } else { /* switch LED off */
1373 *led_port = led_buffer;
1376 #endif /* CONFIG_IDE_LED */
1378 /* ------------------------------------------------------------------------- */
1381 /****************************************************************************
1389 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1391 #define AT_PRINTF(fmt,args...)
1395 /* since ATAPI may use commands with not 4 bytes alligned length
1396 * we have our own transfer functions, 2 bytes alligned */
1398 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1401 volatile ushort *pbuf;
1403 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1404 dbuf = (ushort *)sect_buf;
1406 __asm__ volatile ("eieio");
1412 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1415 volatile ushort *pbuf;
1417 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1418 dbuf = (ushort *)sect_buf;
1420 __asm__ volatile ("eieio");
1425 #else /* ! __PPC__ */
1427 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1429 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1434 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1436 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1439 #endif /* __PPC__ */
1442 * Wait until (Status & mask) == res, or timeout (in ms)
1443 * Return last status
1444 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1445 * and then they set their DRQ Bit
1447 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1449 ulong delay = 10 * t; /* poll every 100 us */
1452 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1453 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1454 /* break if error occurs (doesn't make sense to wait more) */
1455 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1466 * issue an atapi command
1468 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1470 unsigned char c,err,mask,res;
1472 ide_led (DEVICE_LED(device), 1); /* LED on */
1476 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1478 #ifdef CONFIG_AMIGAONEG3SE
1479 # warning THF: Removed LBA mode ???
1481 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1482 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1483 if ((c & mask) != res) {
1484 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1488 /* write taskfile */
1489 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1490 ide_outb (device, ATA_SECT_CNT, 0);
1491 ide_outb (device, ATA_SECT_NUM, 0);
1492 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1493 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1494 #ifdef CONFIG_AMIGAONEG3SE
1495 # warning THF: Removed LBA mode ???
1497 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1499 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1502 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1504 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1506 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1507 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1512 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1513 /* ATAPI Command written wait for completition */
1514 udelay (5000); /* device must set bsy */
1516 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1517 /* if no data wait for DRQ = 0 BSY = 0
1518 * if data wait for DRQ = 1 BSY = 0 */
1522 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1523 if ((c & mask) != res ) {
1524 if (c & ATA_STAT_ERR) {
1525 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1526 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1528 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1533 n=ide_inb(device, ATA_CYL_HIGH);
1535 n+=ide_inb(device, ATA_CYL_LOW);
1537 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1541 if((n==0)&&(buflen<0)) {
1542 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1547 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1549 if(n!=0) { /* data transfer */
1550 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1551 /* we transfer shorts */
1553 /* ok now decide if it is an in or output */
1554 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1555 AT_PRINTF("Write to device\n");
1556 output_data_shorts(device,(unsigned short *)buffer,n);
1558 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1559 input_data_shorts(device,(unsigned short *)buffer,n);
1562 udelay(5000); /* seems that some CD ROMs need this... */
1563 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1565 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1566 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1567 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1568 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1573 ide_led (DEVICE_LED(device), 0); /* LED off */
1578 * sending the command to atapi_issue. If an status other than good
1579 * returns, an request_sense will be issued
1582 #define ATAPI_DRIVE_NOT_READY 100
1583 #define ATAPI_UNIT_ATTN 10
1585 unsigned char atapi_issue_autoreq (int device,
1588 unsigned char *buffer,
1591 unsigned char sense_data[18],sense_ccb[12];
1592 unsigned char res,key,asc,ascq;
1593 int notready,unitattn;
1595 #ifdef CONFIG_AMIGAONEG3SE
1597 unsigned int timeout, retrycnt;
1599 s = getenv("ide_cd_timeout");
1600 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1605 unitattn=ATAPI_UNIT_ATTN;
1606 notready=ATAPI_DRIVE_NOT_READY;
1609 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1611 return (0); /* Ok */
1614 return (0xFF); /* error */
1616 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1618 memset(sense_ccb,0,sizeof(sense_ccb));
1619 memset(sense_data,0,sizeof(sense_data));
1620 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1621 sense_ccb[4]=18; /* allocation Length */
1623 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1624 key=(sense_data[2]&0xF);
1625 asc=(sense_data[12]);
1626 ascq=(sense_data[13]);
1628 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1629 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1636 return 0; /* ok device ready */
1638 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1643 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1646 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1651 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1655 AT_PRINTF("Media not present\n");
1659 #ifdef CONFIG_AMIGAONEG3SE
1660 if ((sense_data[2]&0xF)==0x0B) {
1661 AT_PRINTF("ABORTED COMMAND...retry\n");
1667 if ((sense_data[2]&0xf) == 0x02 &&
1668 sense_data[12] == 0x04 &&
1669 sense_data[13] == 0x01 ) {
1670 AT_PRINTF("Waiting for unit to become active\n");
1676 #endif /* CONFIG_AMIGAONEG3SE */
1678 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1680 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1685 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1687 unsigned char ccb[12]; /* Command descriptor block */
1688 unsigned char iobuf[64]; /* temp buf */
1692 device=dev_desc->dev;
1693 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1694 dev_desc->block_read=atapi_read;
1696 memset(ccb,0,sizeof(ccb));
1697 memset(iobuf,0,sizeof(iobuf));
1699 ccb[0]=ATAPI_CMD_INQUIRY;
1700 ccb[4]=40; /* allocation Legnth */
1701 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1703 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1707 /* copy device ident strings */
1708 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1709 ident_cpy(dev_desc->product,&iobuf[16],16);
1710 ident_cpy(dev_desc->revision,&iobuf[32],5);
1715 dev_desc->type=iobuf[0] & 0x1f;
1717 if ((iobuf[1]&0x80)==0x80)
1718 dev_desc->removable = 1;
1720 dev_desc->removable = 0;
1722 memset(ccb,0,sizeof(ccb));
1723 memset(iobuf,0,sizeof(iobuf));
1724 ccb[0]=ATAPI_CMD_START_STOP;
1725 ccb[4]=0x03; /* start */
1727 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1729 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1733 memset(ccb,0,sizeof(ccb));
1734 memset(iobuf,0,sizeof(iobuf));
1735 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1737 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1741 memset(ccb,0,sizeof(ccb));
1742 memset(iobuf,0,sizeof(iobuf));
1743 ccb[0]=ATAPI_CMD_READ_CAP;
1744 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1745 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1749 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1750 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1751 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1753 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1754 ((unsigned long)iobuf[1]<<16) +
1755 ((unsigned long)iobuf[2]<< 8) +
1756 ((unsigned long)iobuf[3]);
1757 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1758 ((unsigned long)iobuf[5]<<16) +
1759 ((unsigned long)iobuf[6]<< 8) +
1760 ((unsigned long)iobuf[7]);
1767 * we transfer only one block per command, since the multiple DRQ per
1768 * command is not yet implemented
1770 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1771 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1772 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1774 ulong atapi_read (int device, ulong blknr, ulong blkcnt, ulong *buffer)
1777 unsigned char ccb[12]; /* Command descriptor block */
1780 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1781 device, blknr, blkcnt, (ulong)buffer);
1784 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1785 cnt=ATAPI_READ_MAX_BLOCK;
1789 ccb[0]=ATAPI_CMD_READ_12;
1790 ccb[1]=0; /* reserved */
1791 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1792 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1793 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
1794 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
1795 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
1796 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
1797 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
1798 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
1799 ccb[10]=0; /* reserved */
1800 ccb[11]=0; /* reserved */
1802 if (atapi_issue_autoreq(device,ccb,12,
1803 (unsigned char *)buffer,
1804 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
1810 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
1811 } while (blkcnt > 0);
1815 /* ------------------------------------------------------------------------- */
1817 #endif /* CONFIG_ATAPI */
1821 "ide - IDE sub-system\n",
1822 "reset - reset IDE controller\n"
1823 "ide info - show available IDE devices\n"
1824 "ide device [dev] - show or set current device\n"
1825 "ide part [dev] - print partition table of one or all IDE devices\n"
1826 "ide read addr blk# cnt\n"
1827 "ide write addr blk# cnt - read/write `cnt'"
1828 " blocks starting at block `blk#'\n"
1829 " to/from memory address `addr'\n"
1833 diskboot, 3, 1, do_diskboot,
1834 "diskboot- boot from IDE device\n",
1835 "loadAddr dev:part\n"
1838 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */