2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <asm/byteorder.h>
34 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
51 /* Macros depend on this variable */
52 static unsigned long mips_io_port_base = 0;
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
60 # define SHOW_BOOT_PROGRESS(arg)
68 #define PRINTF(fmt,args...) printf (fmt ,##args)
70 #define PRINTF(fmt,args...)
73 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
75 #ifdef CONFIG_IDE_8xx_DIRECT
76 /* Timings for IDE Interface
78 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
79 * 70 165 30 PIO-Mode 0, [ns]
81 * 50 125 20 PIO-Mode 1, [ns]
83 * 30 100 15 PIO-Mode 2, [ns]
85 * 30 80 10 PIO-Mode 3, [ns]
87 * 25 70 10 PIO-Mode 4, [ns]
91 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
93 /* Setup Length Hold */
94 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
95 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
96 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
97 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
98 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
101 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
104 #define CFG_PIO_MODE 0 /* use a relaxed default */
106 static int pio_mode = CFG_PIO_MODE;
108 /* Make clock cycles and always round up */
110 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
112 #endif /* CONFIG_IDE_8xx_DIRECT */
114 /* ------------------------------------------------------------------------- */
116 /* Current I/O Device */
117 static int curr_device = -1;
119 /* Current offset for IDE0 / IDE1 bus access */
120 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
121 #if defined(CFG_ATA_IDE0_OFFSET)
124 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
130 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
143 static void ide_led (uchar led, uchar status);
145 extern void ide_led (uchar led, uchar status);
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
151 extern void ide_led(uchar led, uchar status);
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
162 #define ide_reset() /* dummy */
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
174 static void __inline__ ide_outb(int dev, int port, unsigned char val);
175 static unsigned char __inline__ ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
182 static void atapi_inquiry(block_dev_desc_t *dev_desc);
183 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
187 #ifdef CONFIG_IDE_8xx_DIRECT
188 static void set_pcmcia_timing (int pmode);
191 /* ------------------------------------------------------------------------- */
193 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
200 printf ("Usage:\n%s\n", cmdtp->usage);
203 if (strncmp(argv[1],"res",3) == 0) {
205 #ifdef CONFIG_IDE_8xx_DIRECT
206 " on PCMCIA " PCMCIA_SLOT_MSG
212 } else if (strncmp(argv[1],"inf",3) == 0) {
217 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
218 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
219 continue; /* list only known devices */
220 printf ("IDE device %d: ", i);
221 dev_print(&ide_dev_desc[i]);
225 } else if (strncmp(argv[1],"dev",3) == 0) {
226 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
227 puts ("\nno IDE devices available\n");
230 printf ("\nIDE device %d: ", curr_device);
231 dev_print(&ide_dev_desc[curr_device]);
233 } else if (strncmp(argv[1],"part",4) == 0) {
236 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
237 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
241 print_part(&ide_dev_desc[dev]);
245 puts ("\nno IDE devices available\n");
250 printf ("Usage:\n%s\n", cmdtp->usage);
253 if (strncmp(argv[1],"dev",3) == 0) {
254 int dev = (int)simple_strtoul(argv[2], NULL, 10);
256 printf ("\nIDE device %d: ", dev);
257 if (dev >= CFG_IDE_MAXDEVICE) {
258 puts ("unknown device\n");
261 dev_print(&ide_dev_desc[dev]);
264 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
270 puts ("... is now current device\n");
273 } else if (strncmp(argv[1],"part",4) == 0) {
274 int dev = (int)simple_strtoul(argv[2], NULL, 10);
276 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
277 print_part(&ide_dev_desc[dev]);
279 printf ("\nIDE device %d not available\n", dev);
284 } else if (strncmp(argv[1],"pio",4) == 0) {
285 int mode = (int)simple_strtoul(argv[2], NULL, 10);
287 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
292 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
293 mode, IDE_MAX_PIO_MODE);
299 printf ("Usage:\n%s\n", cmdtp->usage);
302 /* at least 4 args */
304 if (strcmp(argv[1],"read") == 0) {
305 ulong addr = simple_strtoul(argv[2], NULL, 16);
306 #if CFG_64BIT_STRTOUL
307 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
309 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
311 ulong cnt = simple_strtoul(argv[4], NULL, 16);
314 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
315 curr_device, blk, cnt);
317 n = ide_dev_desc[curr_device].block_read (curr_device,
320 /* flush cache after read */
321 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
323 printf ("%ld blocks read: %s\n",
324 n, (n==cnt) ? "OK" : "ERROR");
330 } else if (strcmp(argv[1],"write") == 0) {
331 ulong addr = simple_strtoul(argv[2], NULL, 16);
332 #if CFG_64BIT_STRTOUL
333 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
335 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
337 ulong cnt = simple_strtoul(argv[4], NULL, 16);
340 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
341 curr_device, blk, cnt);
343 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
345 printf ("%ld blocks written: %s\n",
346 n, (n==cnt) ? "OK" : "ERROR");
353 printf ("Usage:\n%s\n", cmdtp->usage);
361 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
363 char *boot_device = NULL;
368 disk_partition_t info;
374 addr = CFG_LOAD_ADDR;
375 boot_device = getenv ("bootdevice");
378 addr = simple_strtoul(argv[1], NULL, 16);
379 boot_device = getenv ("bootdevice");
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = argv[2];
386 printf ("Usage:\n%s\n", cmdtp->usage);
387 SHOW_BOOT_PROGRESS (-1);
392 puts ("\n** No boot device **\n");
393 SHOW_BOOT_PROGRESS (-1);
397 dev = simple_strtoul(boot_device, &ep, 16);
399 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
400 printf ("\n** Device %d not available\n", dev);
401 SHOW_BOOT_PROGRESS (-1);
407 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
408 SHOW_BOOT_PROGRESS (-1);
411 part = simple_strtoul(++ep, NULL, 16);
413 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
414 SHOW_BOOT_PROGRESS (-1);
417 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
418 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
419 printf ("\n** Invalid partition type \"%.32s\""
420 " (expect \"" BOOT_PART_TYPE "\")\n",
422 SHOW_BOOT_PROGRESS (-1);
426 printf ("\nLoading from IDE device %d, partition %d: "
427 "Name: %.32s Type: %.32s\n",
428 dev, part, info.name, info.type);
430 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
431 info.start, info.size, info.blksz);
433 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
434 printf ("** Read error on %d:%d\n", dev, part);
435 SHOW_BOOT_PROGRESS (-1);
439 hdr = (image_header_t *)addr;
441 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
443 print_image_hdr (hdr);
445 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
446 cnt += info.blksz - 1;
450 printf("\n** Bad Magic Number **\n");
451 SHOW_BOOT_PROGRESS (-1);
455 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
456 (ulong *)(addr+info.blksz)) != cnt) {
457 printf ("** Read error on %d:%d\n", dev, part);
458 SHOW_BOOT_PROGRESS (-1);
463 /* Loading ok, update default load address */
467 /* Check if we should attempt an auto-start */
468 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
470 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
472 local_args[0] = argv[0];
473 local_args[1] = NULL;
475 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
477 do_bootm (cmdtp, 0, 1, local_args);
483 /* ------------------------------------------------------------------------- */
488 #ifdef CONFIG_IDE_8xx_DIRECT
489 DECLARE_GLOBAL_DATA_PTR;
490 volatile immap_t *immr = (immap_t *)CFG_IMMR;
491 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
495 #ifdef CONFIG_AMIGAONEG3SE
496 unsigned int max_bus_scan;
497 unsigned int ata_reset_time;
500 #ifdef CONFIG_IDE_8xx_PCCARD
501 extern int pcmcia_on (void);
502 extern int ide_devices_found; /* Initialized in check_ide_device() */
503 #endif /* CONFIG_IDE_8xx_PCCARD */
505 #ifdef CONFIG_IDE_PREINIT
506 extern int ide_preinit (void);
509 if (ide_preinit ()) {
510 puts ("ide_preinit failed\n");
513 #endif /* CONFIG_IDE_PREINIT */
515 #ifdef CONFIG_IDE_8xx_PCCARD
516 extern int pcmcia_on (void);
517 extern int ide_devices_found; /* Initialized in check_ide_device() */
521 ide_devices_found = 0;
522 /* initialize the PCMCIA IDE adapter card */
524 if (!ide_devices_found)
526 udelay (1000000); /* 1 s */
527 #endif /* CONFIG_IDE_8xx_PCCARD */
531 #ifdef CONFIG_IDE_8xx_DIRECT
532 /* Initialize PIO timing tables */
533 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
534 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
536 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
538 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
540 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
542 " hold=%2d ns/%d clk\n",
544 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
545 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
546 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
548 #endif /* CONFIG_IDE_8xx_DIRECT */
550 /* Reset the IDE just to be sure.
551 * Light LED's to show
553 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
554 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
556 #ifdef CONFIG_IDE_8xx_DIRECT
557 /* PCMCIA / IDE initialization for common mem space */
558 pcmp->pcmc_pgcrb = 0;
560 /* start in PIO mode 0 - most relaxed timings */
562 set_pcmcia_timing (pio_mode);
563 #endif /* CONFIG_IDE_8xx_DIRECT */
566 * Wait for IDE to get ready.
567 * According to spec, this can take up to 31 seconds!
569 #ifndef CONFIG_AMIGAONEG3SE
570 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
571 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
573 s = getenv("ide_maxbus");
575 max_bus_scan = simple_strtol(s, NULL, 10);
577 max_bus_scan = CFG_IDE_MAXBUS;
579 for (bus=0; bus<max_bus_scan; ++bus) {
580 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
583 #ifdef CONFIG_IDE_8xx_PCCARD
584 /* Skip non-ide devices from probing */
585 if ((ide_devices_found & (1 << bus)) == 0) {
586 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
590 printf ("Bus %d: ", bus);
596 udelay (100000); /* 100 ms */
597 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
598 udelay (100000); /* 100 ms */
599 #ifdef CONFIG_AMIGAONEG3SE
600 ata_reset_time = ATA_RESET_TIME;
601 s = getenv("ide_reset_timeout");
602 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
606 udelay (10000); /* 10 ms */
608 c = ide_inb (dev, ATA_STATUS);
610 #ifdef CONFIG_AMIGAONEG3SE
611 if (i > (ata_reset_time * 100)) {
613 if (i > (ATA_RESET_TIME * 100)) {
615 puts ("** Timeout **\n");
616 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
617 #ifdef CONFIG_AMIGAONEG3SE
618 /* If this is the second bus, the first one was OK */
626 if ((i >= 100) && ((i%100)==0)) {
629 } while (c & ATA_STAT_BUSY);
631 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
632 puts ("not available ");
633 PRINTF ("Status = 0x%02X ", c);
634 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
635 } else if ((c & ATA_STAT_READY) == 0) {
636 puts ("not available ");
637 PRINTF ("Status = 0x%02X ", c);
646 #ifdef CONFIG_AMIGAONEG3SE
651 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
654 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
655 #ifdef CONFIG_IDE_LED
656 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
658 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
659 ide_dev_desc[i].if_type=IF_TYPE_IDE;
660 ide_dev_desc[i].dev=i;
661 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
662 ide_dev_desc[i].blksz=0;
663 ide_dev_desc[i].lba=0;
664 ide_dev_desc[i].block_read=ide_read;
665 if (!ide_bus_ok[IDE_BUS(i)])
667 ide_led (led, 1); /* LED on */
668 ide_ident(&ide_dev_desc[i]);
669 ide_led (led, 0); /* LED off */
670 dev_print(&ide_dev_desc[i]);
672 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
673 init_part (&ide_dev_desc[i]); /* initialize partition type */
681 /* ------------------------------------------------------------------------- */
683 block_dev_desc_t * ide_get_dev(int dev)
685 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
689 #ifdef CONFIG_IDE_8xx_DIRECT
692 set_pcmcia_timing (int pmode)
694 volatile immap_t *immr = (immap_t *)CFG_IMMR;
695 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
698 PRINTF ("Set timing for PIO Mode %d\n", pmode);
700 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
701 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
702 | PCMCIA_SL (pio_config_clk[pmode].t_length)
707 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
708 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
709 #if (CFG_PCMCIA_POR0 != 0)
713 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
715 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
716 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
717 #if (CFG_PCMCIA_POR1 != 0)
721 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
723 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
724 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
725 #if (CFG_PCMCIA_POR2 != 0)
729 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
731 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
732 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
733 #if (CFG_PCMCIA_POR3 != 0)
737 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
741 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
742 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
743 #if (CFG_PCMCIA_POR4 != 0)
747 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
749 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
750 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
751 #if (CFG_PCMCIA_POR5 != 0)
755 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
757 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
758 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
759 #if (CFG_PCMCIA_POR6 != 0)
763 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
765 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
766 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
767 #if (CFG_PCMCIA_POR7 != 0)
771 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
775 #endif /* CONFIG_IDE_8xx_DIRECT */
777 /* ------------------------------------------------------------------------- */
780 static void __inline__
781 ide_outb(int dev, int port, unsigned char val)
783 PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n",
784 dev, port, val, (ATA_CURR_BASE(dev)+port));
786 /* Ensure I/O operations complete */
787 __asm__ volatile("eieio");
788 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
790 #else /* ! __PPC__ */
791 static void __inline__
792 ide_outb(int dev, int port, unsigned char val)
794 outb(val, ATA_CURR_BASE(dev)+port);
800 static unsigned char __inline__
801 ide_inb(int dev, int port)
804 /* Ensure I/O operations complete */
805 __asm__ volatile("eieio");
806 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
807 PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n",
808 dev, port, (ATA_CURR_BASE(dev)+port), val);
811 #else /* ! __PPC__ */
812 static unsigned char __inline__
813 ide_inb(int dev, int port)
815 return inb(ATA_CURR_BASE(dev)+port);
820 # ifdef CONFIG_AMIGAONEG3SE
822 output_data_short(int dev, ulong *sect_buf, int words)
825 volatile ushort *pbuf;
827 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
828 dbuf = (ushort *)sect_buf;
830 __asm__ volatile ("eieio");
832 __asm__ volatile ("eieio");
838 # endif /* CONFIG_AMIGAONEG3SE */
841 /* We only need to swap data if we are running on a big endian cpu. */
842 /* But Au1x00 cpu:s already swaps data in big endian mode! */
843 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
844 #define input_swap_data(x,y,z) input_data(x,y,z)
847 input_swap_data(int dev, ulong *sect_buf, int words)
850 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
851 ushort *dbuf = (ushort *)sect_buf;
854 *dbuf++ = ld_le16(pbuf);
855 *dbuf++ = ld_le16(pbuf);
857 #else /* CONFIG_HMI10 */
859 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
860 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
861 ushort *dbuf = (ushort *)sect_buf;
864 for (i=0; i<2; i++) {
865 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
866 *(uchar *)dbuf = *pbuf_odd;
870 #endif /* CONFIG_HMI10 */
872 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
877 output_data(int dev, ulong *sect_buf, int words)
881 volatile ushort *pbuf;
883 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
884 dbuf = (ushort *)sect_buf;
886 __asm__ volatile ("eieio");
888 __asm__ volatile ("eieio");
891 #else /* CONFIG_HMI10 */
893 volatile uchar *pbuf_even;
894 volatile uchar *pbuf_odd;
896 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
897 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
898 dbuf = (uchar *)sect_buf;
900 __asm__ volatile ("eieio");
901 *pbuf_even = *dbuf++;
902 __asm__ volatile ("eieio");
904 __asm__ volatile ("eieio");
905 *pbuf_even = *dbuf++;
906 __asm__ volatile ("eieio");
909 #endif /* CONFIG_HMI10 */
911 #else /* ! __PPC__ */
913 output_data(int dev, ulong *sect_buf, int words)
915 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
921 input_data(int dev, ulong *sect_buf, int words)
925 volatile ushort *pbuf;
927 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
928 dbuf = (ushort *)sect_buf;
930 __asm__ volatile ("eieio");
932 __asm__ volatile ("eieio");
935 #else /* CONFIG_HMI10 */
937 volatile uchar *pbuf_even;
938 volatile uchar *pbuf_odd;
940 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
941 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
942 dbuf = (uchar *)sect_buf;
944 __asm__ volatile ("eieio");
945 *dbuf++ = *pbuf_even;
946 __asm__ volatile ("eieio");
948 __asm__ volatile ("eieio");
949 *dbuf++ = *pbuf_even;
950 __asm__ volatile ("eieio");
953 #endif /* CONFIG_HMI10 */
955 #else /* ! __PPC__ */
957 input_data(int dev, ulong *sect_buf, int words)
959 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
964 #ifdef CONFIG_AMIGAONEG3SE
966 input_data_short(int dev, ulong *sect_buf, int words)
969 volatile ushort *pbuf;
971 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
972 dbuf = (ushort *)sect_buf;
974 __asm__ volatile ("eieio");
976 __asm__ volatile ("eieio");
986 /* -------------------------------------------------------------------------
988 static void ide_ident (block_dev_desc_t *dev_desc)
990 ulong iobuf[ATA_SECTORWORDS];
992 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
994 #ifdef CONFIG_AMIGAONEG3SE
1002 int mode, cycle_time;
1005 device=dev_desc->dev;
1006 printf (" Device %d: ", device);
1008 #ifdef CONFIG_AMIGAONEG3SE
1009 s = getenv("ide_maxbus");
1011 max_bus_scan = simple_strtol(s, NULL, 10);
1013 max_bus_scan = CFG_IDE_MAXBUS;
1015 if (device >= max_bus_scan*2) {
1016 dev_desc->type=DEV_TYPE_UNKNOWN;
1021 ide_led (DEVICE_LED(device), 1); /* LED on */
1024 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1025 dev_desc->if_type=IF_TYPE_IDE;
1028 #ifdef CONFIG_AMIGAONEG3SE
1032 /* Warning: This will be tricky to read */
1033 while (retries <= 1) {
1034 #endif /* CONFIG_AMIGAONEG3SE */
1036 /* check signature */
1037 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1038 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1039 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1040 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1041 /* ATAPI Signature found */
1042 dev_desc->if_type=IF_TYPE_ATAPI;
1043 /* Start Ident Command
1045 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1047 * Wait for completion - ATAPI devices need more time
1050 c = ide_wait (device, ATAPI_TIME_OUT);
1054 /* Start Ident Command
1056 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1058 /* Wait for completion
1060 c = ide_wait (device, IDE_TIME_OUT);
1062 ide_led (DEVICE_LED(device), 0); /* LED off */
1064 if (((c & ATA_STAT_DRQ) == 0) ||
1065 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1066 #ifdef CONFIG_AMIGAONEG3SE
1074 #endif /* CONFIG_AMIGAONEG3SE */
1077 #ifdef CONFIG_AMIGAONEG3SE
1078 s = getenv("ide_doreset");
1079 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1080 /* Need to soft reset the device in case it's an ATAPI... */
1081 PRINTF("Retrying...\n");
1082 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1084 ide_outb (device, ATA_COMMAND, 0x08);
1085 udelay (100000); /* 100 ms */
1090 } /* see above - ugly to read */
1091 #endif /* CONFIG_AMIGAONEG3SE */
1093 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1095 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1096 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1097 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1098 #ifdef __LITTLE_ENDIAN
1100 * firmware revision and model number have Big Endian Byte
1101 * order in Word. Convert both to little endian.
1103 * See CF+ and CompactFlash Specification Revision 2.0:
1104 * 6.2.1.6: Identfy Drive, Table 39 for more details
1107 strswab (dev_desc->revision);
1108 strswab (dev_desc->vendor);
1109 #endif /* __LITTLE_ENDIAN */
1111 if ((iop->config & 0x0080)==0x0080)
1112 dev_desc->removable = 1;
1114 dev_desc->removable = 0;
1118 * Drive PIO mode autoselection
1122 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1123 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1125 PRINTF ("Override tPIO -> 2\n");
1127 if (iop->field_valid & 2) { /* drive implements ATA2? */
1128 PRINTF ("Drive implements ATA2\n");
1129 if (iop->capability & 8) { /* drive supports use_iordy? */
1130 cycle_time = iop->eide_pio_iordy;
1132 cycle_time = iop->eide_pio;
1134 PRINTF ("cycle time = %d\n", cycle_time);
1136 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1137 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1138 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1139 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1141 printf ("PIO mode to use: PIO %d\n", mode);
1145 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1146 atapi_inquiry(dev_desc);
1149 #endif /* CONFIG_ATAPI */
1153 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1154 #else /* ! __BIG_ENDIAN */
1156 * do not swap shorts on little endian
1158 * See CF+ and CompactFlash Specification Revision 2.0:
1159 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1161 dev_desc->lba = iop->lba_capacity;
1162 #endif /* __BIG_ENDIAN */
1165 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1166 dev_desc->lba48support = 1;
1167 dev_desc->lba48 = (unsigned long long)iop->lba48_capacity[0] |
1168 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1169 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1170 ((unsigned long long)iop->lba48_capacity[3] << 48);
1172 dev_desc->lba48support = 0;
1173 dev_desc->lba48 = 0;
1175 #endif /* CONFIG_LBA48 */
1177 dev_desc->type=DEV_TYPE_HARDDISK;
1178 dev_desc->blksz=ATA_BLOCKSIZE;
1179 dev_desc->lun=0; /* just to fill something in... */
1181 #if 0 /* only used to test the powersaving mode,
1182 * if enabled, the drive goes after 5 sec
1183 * in standby mode */
1184 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1185 c = ide_wait (device, IDE_TIME_OUT);
1186 ide_outb (device, ATA_SECT_CNT, 1);
1187 ide_outb (device, ATA_LBA_LOW, 0);
1188 ide_outb (device, ATA_LBA_MID, 0);
1189 ide_outb (device, ATA_LBA_HIGH, 0);
1190 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1191 ATA_DEVICE(device));
1192 ide_outb (device, ATA_COMMAND, 0xe3);
1194 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1199 /* ------------------------------------------------------------------------- */
1201 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1205 unsigned char pwrsave=0; /* power save */
1207 unsigned char lba48 = 0;
1209 if (blknr & 0x0000fffff0000000) {
1210 /* more than 28 bits used, use 48bit mode */
1214 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1215 device, blknr, blkcnt, (ulong)buffer);
1217 ide_led (DEVICE_LED(device), 1); /* LED on */
1221 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1222 c = ide_wait (device, IDE_TIME_OUT);
1224 if (c & ATA_STAT_BUSY) {
1225 printf ("IDE read: device %d not ready\n", device);
1229 /* first check if the drive is in Powersaving mode, if yes,
1230 * increase the timeout value */
1231 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1234 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1236 if (c & ATA_STAT_BUSY) {
1237 printf ("IDE read: device %d not ready\n", device);
1240 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1241 printf ("No Powersaving mode %X\n", c);
1243 c = ide_inb(device,ATA_SECT_CNT);
1244 PRINTF("Powersaving %02X\n",c);
1250 while (blkcnt-- > 0) {
1252 c = ide_wait (device, IDE_TIME_OUT);
1254 if (c & ATA_STAT_BUSY) {
1255 printf ("IDE read: device %d not ready\n", device);
1260 /* write high bits */
1261 ide_outb (device, ATA_SECT_CNT, 0);
1262 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1263 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1264 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1267 ide_outb (device, ATA_SECT_CNT, 1);
1268 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1269 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1270 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1274 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1275 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1280 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1281 ATA_DEVICE(device) |
1282 ((blknr >> 24) & 0xF) );
1283 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1289 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1292 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1295 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1296 #if CFG_64BIT_LBA && CFG_64BIT_VSPRINTF
1297 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1300 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1301 device, (ulong)blknr, c);
1306 input_data (device, buffer, ATA_SECTORWORDS);
1307 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1311 buffer += ATA_SECTORWORDS;
1314 ide_led (DEVICE_LED(device), 0); /* LED off */
1318 /* ------------------------------------------------------------------------- */
1321 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1326 unsigned char lba48 = 0;
1328 if (blknr & 0x0000fffff0000000) {
1329 /* more than 28 bits used, use 48bit mode */
1334 ide_led (DEVICE_LED(device), 1); /* LED on */
1338 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1340 while (blkcnt-- > 0) {
1342 c = ide_wait (device, IDE_TIME_OUT);
1344 if (c & ATA_STAT_BUSY) {
1345 printf ("IDE read: device %d not ready\n", device);
1350 /* write high bits */
1351 ide_outb (device, ATA_SECT_CNT, 0);
1352 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1353 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1354 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1357 ide_outb (device, ATA_SECT_CNT, 1);
1358 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1359 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1360 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1364 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1365 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1370 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1371 ATA_DEVICE(device) |
1372 ((blknr >> 24) & 0xF) );
1373 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1378 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1380 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1381 #if CFG_64BIT_LBA && CFG_64BIT_VSPRINTF
1382 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1385 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1386 device, (ulong)blknr, c);
1391 output_data (device, buffer, ATA_SECTORWORDS);
1392 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1395 buffer += ATA_SECTORWORDS;
1398 ide_led (DEVICE_LED(device), 0); /* LED off */
1402 /* ------------------------------------------------------------------------- */
1405 * copy src to dest, skipping leading and trailing blanks and null
1406 * terminate the string
1408 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1414 if (src[start]!=' ')
1424 for ( ; start<=end; start++) {
1430 /* ------------------------------------------------------------------------- */
1433 * Wait until Busy bit is off, or timeout (in ms)
1434 * Return last status
1436 static uchar ide_wait (int dev, ulong t)
1438 ulong delay = 10 * t; /* poll every 100 us */
1441 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1450 /* ------------------------------------------------------------------------- */
1452 #ifdef CONFIG_IDE_RESET
1453 extern void ide_set_reset(int idereset);
1455 static void ide_reset (void)
1457 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1458 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1463 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1465 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1466 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1468 ide_set_reset (1); /* assert reset */
1472 #ifdef CFG_PB_12V_ENABLE
1473 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1474 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1475 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1476 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1478 /* wait 500 ms for the voltage to stabilize
1480 for (i=0; i<500; ++i) {
1484 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1485 #endif /* CFG_PB_12V_ENABLE */
1487 #ifdef CFG_PB_IDE_MOTOR
1488 /* configure IDE Motor voltage monitor pin as input */
1489 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1490 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1491 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1493 /* wait up to 1 s for the motor voltage to stabilize
1495 for (i=0; i<1000; ++i) {
1496 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1502 if (i == 1000) { /* Timeout */
1503 printf ("\nWarning: 5V for IDE Motor missing\n");
1504 # ifdef CONFIG_STATUS_LED
1505 # ifdef STATUS_LED_YELLOW
1506 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1508 # ifdef STATUS_LED_GREEN
1509 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1511 # endif /* CONFIG_STATUS_LED */
1513 #endif /* CFG_PB_IDE_MOTOR */
1517 /* de-assert RESET signal */
1521 for (i=0; i<250; ++i) {
1526 #endif /* CONFIG_IDE_RESET */
1528 /* ------------------------------------------------------------------------- */
1530 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
1532 static uchar led_buffer = 0; /* Buffer for current LED status */
1534 static void ide_led (uchar led, uchar status)
1536 uchar *led_port = LED_PORT;
1538 if (status) { /* switch LED on */
1540 } else { /* switch LED off */
1544 *led_port = led_buffer;
1547 #endif /* CONFIG_IDE_LED */
1549 /* ------------------------------------------------------------------------- */
1552 /****************************************************************************
1560 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1562 #define AT_PRINTF(fmt,args...)
1566 /* since ATAPI may use commands with not 4 bytes alligned length
1567 * we have our own transfer functions, 2 bytes alligned */
1569 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1571 #ifndef CONFIG_HMI10
1573 volatile ushort *pbuf;
1575 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1576 dbuf = (ushort *)sect_buf;
1578 __asm__ volatile ("eieio");
1581 #else /* CONFIG_HMI10 */
1583 volatile uchar *pbuf_even;
1584 volatile uchar *pbuf_odd;
1586 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1587 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1589 __asm__ volatile ("eieio");
1590 *pbuf_even = *dbuf++;
1591 __asm__ volatile ("eieio");
1592 *pbuf_odd = *dbuf++;
1594 #endif /* CONFIG_HMI10 */
1598 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1600 #ifndef CONFIG_HMI10
1602 volatile ushort *pbuf;
1604 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1605 dbuf = (ushort *)sect_buf;
1607 __asm__ volatile ("eieio");
1610 #else /* CONFIG_HMI10 */
1612 volatile uchar *pbuf_even;
1613 volatile uchar *pbuf_odd;
1615 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1616 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1618 __asm__ volatile ("eieio");
1619 *dbuf++ = *pbuf_even;
1620 __asm__ volatile ("eieio");
1621 *dbuf++ = *pbuf_odd;
1623 #endif /* CONFIG_HMI10 */
1626 #else /* ! __PPC__ */
1628 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1630 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1635 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1637 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1640 #endif /* __PPC__ */
1643 * Wait until (Status & mask) == res, or timeout (in ms)
1644 * Return last status
1645 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1646 * and then they set their DRQ Bit
1648 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1650 ulong delay = 10 * t; /* poll every 100 us */
1653 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1654 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1655 /* break if error occurs (doesn't make sense to wait more) */
1656 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1667 * issue an atapi command
1669 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1671 unsigned char c,err,mask,res;
1673 ide_led (DEVICE_LED(device), 1); /* LED on */
1677 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1679 #ifdef CONFIG_AMIGAONEG3SE
1680 # warning THF: Removed LBA mode ???
1682 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1683 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1684 if ((c & mask) != res) {
1685 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1689 /* write taskfile */
1690 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1691 ide_outb (device, ATA_SECT_CNT, 0);
1692 ide_outb (device, ATA_SECT_NUM, 0);
1693 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1694 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1695 #ifdef CONFIG_AMIGAONEG3SE
1696 # warning THF: Removed LBA mode ???
1698 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1700 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1703 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1705 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1707 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1708 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1713 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1714 /* ATAPI Command written wait for completition */
1715 udelay (5000); /* device must set bsy */
1717 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1718 /* if no data wait for DRQ = 0 BSY = 0
1719 * if data wait for DRQ = 1 BSY = 0 */
1723 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1724 if ((c & mask) != res ) {
1725 if (c & ATA_STAT_ERR) {
1726 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1727 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1729 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1734 n=ide_inb(device, ATA_CYL_HIGH);
1736 n+=ide_inb(device, ATA_CYL_LOW);
1738 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1742 if((n==0)&&(buflen<0)) {
1743 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1748 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1750 if(n!=0) { /* data transfer */
1751 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1752 /* we transfer shorts */
1754 /* ok now decide if it is an in or output */
1755 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1756 AT_PRINTF("Write to device\n");
1757 output_data_shorts(device,(unsigned short *)buffer,n);
1759 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1760 input_data_shorts(device,(unsigned short *)buffer,n);
1763 udelay(5000); /* seems that some CD ROMs need this... */
1764 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1766 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1767 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1768 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1769 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1774 ide_led (DEVICE_LED(device), 0); /* LED off */
1779 * sending the command to atapi_issue. If an status other than good
1780 * returns, an request_sense will be issued
1783 #define ATAPI_DRIVE_NOT_READY 100
1784 #define ATAPI_UNIT_ATTN 10
1786 unsigned char atapi_issue_autoreq (int device,
1789 unsigned char *buffer,
1792 unsigned char sense_data[18],sense_ccb[12];
1793 unsigned char res,key,asc,ascq;
1794 int notready,unitattn;
1796 #ifdef CONFIG_AMIGAONEG3SE
1798 unsigned int timeout, retrycnt;
1800 s = getenv("ide_cd_timeout");
1801 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1806 unitattn=ATAPI_UNIT_ATTN;
1807 notready=ATAPI_DRIVE_NOT_READY;
1810 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1812 return (0); /* Ok */
1815 return (0xFF); /* error */
1817 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1819 memset(sense_ccb,0,sizeof(sense_ccb));
1820 memset(sense_data,0,sizeof(sense_data));
1821 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1822 sense_ccb[4]=18; /* allocation Length */
1824 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1825 key=(sense_data[2]&0xF);
1826 asc=(sense_data[12]);
1827 ascq=(sense_data[13]);
1829 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1830 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1837 return 0; /* ok device ready */
1839 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1844 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1847 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1852 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1856 AT_PRINTF("Media not present\n");
1860 #ifdef CONFIG_AMIGAONEG3SE
1861 if ((sense_data[2]&0xF)==0x0B) {
1862 AT_PRINTF("ABORTED COMMAND...retry\n");
1868 if ((sense_data[2]&0xf) == 0x02 &&
1869 sense_data[12] == 0x04 &&
1870 sense_data[13] == 0x01 ) {
1871 AT_PRINTF("Waiting for unit to become active\n");
1877 #endif /* CONFIG_AMIGAONEG3SE */
1879 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1881 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1886 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1888 unsigned char ccb[12]; /* Command descriptor block */
1889 unsigned char iobuf[64]; /* temp buf */
1893 device=dev_desc->dev;
1894 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1895 dev_desc->block_read=atapi_read;
1897 memset(ccb,0,sizeof(ccb));
1898 memset(iobuf,0,sizeof(iobuf));
1900 ccb[0]=ATAPI_CMD_INQUIRY;
1901 ccb[4]=40; /* allocation Legnth */
1902 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1904 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1908 /* copy device ident strings */
1909 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1910 ident_cpy(dev_desc->product,&iobuf[16],16);
1911 ident_cpy(dev_desc->revision,&iobuf[32],5);
1916 dev_desc->type=iobuf[0] & 0x1f;
1918 if ((iobuf[1]&0x80)==0x80)
1919 dev_desc->removable = 1;
1921 dev_desc->removable = 0;
1923 memset(ccb,0,sizeof(ccb));
1924 memset(iobuf,0,sizeof(iobuf));
1925 ccb[0]=ATAPI_CMD_START_STOP;
1926 ccb[4]=0x03; /* start */
1928 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1930 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1934 memset(ccb,0,sizeof(ccb));
1935 memset(iobuf,0,sizeof(iobuf));
1936 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1938 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1942 memset(ccb,0,sizeof(ccb));
1943 memset(iobuf,0,sizeof(iobuf));
1944 ccb[0]=ATAPI_CMD_READ_CAP;
1945 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1946 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1950 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1951 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1952 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1954 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1955 ((unsigned long)iobuf[1]<<16) +
1956 ((unsigned long)iobuf[2]<< 8) +
1957 ((unsigned long)iobuf[3]);
1958 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1959 ((unsigned long)iobuf[5]<<16) +
1960 ((unsigned long)iobuf[6]<< 8) +
1961 ((unsigned long)iobuf[7]);
1962 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1969 * we transfer only one block per command, since the multiple DRQ per
1970 * command is not yet implemented
1972 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1973 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1974 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1976 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1979 unsigned char ccb[12]; /* Command descriptor block */
1982 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1983 device, blknr, blkcnt, (ulong)buffer);
1986 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1987 cnt=ATAPI_READ_MAX_BLOCK;
1991 ccb[0]=ATAPI_CMD_READ_12;
1992 ccb[1]=0; /* reserved */
1993 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1994 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1995 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
1996 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
1997 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
1998 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
1999 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2000 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2001 ccb[10]=0; /* reserved */
2002 ccb[11]=0; /* reserved */
2004 if (atapi_issue_autoreq(device,ccb,12,
2005 (unsigned char *)buffer,
2006 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2012 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2013 } while (blkcnt > 0);
2017 /* ------------------------------------------------------------------------- */
2019 #endif /* CONFIG_ATAPI */
2023 "ide - IDE sub-system\n",
2024 "reset - reset IDE controller\n"
2025 "ide info - show available IDE devices\n"
2026 "ide device [dev] - show or set current device\n"
2027 "ide part [dev] - print partition table of one or all IDE devices\n"
2028 "ide read addr blk# cnt\n"
2029 "ide write addr blk# cnt - read/write `cnt'"
2030 " blocks starting at block `blk#'\n"
2031 " to/from memory address `addr'\n"
2035 diskboot, 3, 1, do_diskboot,
2036 "diskboot- boot from IDE device\n",
2037 "loadAddr dev:part\n"
2040 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */