2 * (C) Copyright 2000-2005
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>
36 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
51 #ifdef CONFIG_STATUS_LED
52 # include <status_led.h>
59 #ifdef CONFIG_IDE_8xx_DIRECT
60 DECLARE_GLOBAL_DATA_PTR;
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
71 #ifdef CONFIG_IDE_8xx_DIRECT
72 /* Timings for IDE Interface
74 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
75 * 70 165 30 PIO-Mode 0, [ns]
77 * 50 125 20 PIO-Mode 1, [ns]
79 * 30 100 15 PIO-Mode 2, [ns]
81 * 30 80 10 PIO-Mode 3, [ns]
83 * 25 70 10 PIO-Mode 4, [ns]
87 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
89 /* Setup Length Hold */
90 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
91 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
92 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
93 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
94 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
97 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
100 #define CFG_PIO_MODE 0 /* use a relaxed default */
102 static int pio_mode = CFG_PIO_MODE;
104 /* Make clock cycles and always round up */
106 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
108 #endif /* CONFIG_IDE_8xx_DIRECT */
110 /* ------------------------------------------------------------------------- */
112 /* Current I/O Device */
113 static int curr_device = -1;
115 /* Current offset for IDE0 / IDE1 bus access */
116 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
117 #if defined(CFG_ATA_IDE0_OFFSET)
120 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
126 #ifndef CONFIG_AMIGAONEG3SE
127 static int ide_bus_ok[CFG_IDE_MAXBUS];
129 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
132 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
133 /* ------------------------------------------------------------------------- */
135 #ifdef CONFIG_IDE_LED
136 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
137 static void ide_led (uchar led, uchar status);
139 extern void ide_led (uchar led, uchar status);
142 #ifndef CONFIG_AMIGAONEG3SE
143 #define ide_led(a,b) /* dummy */
145 extern void ide_led(uchar led, uchar status);
148 #define CONFIG_IDE_LED 1
149 #define DEVICE_LED(x) 1
153 #ifdef CONFIG_IDE_RESET
154 static void ide_reset (void);
156 #define ide_reset() /* dummy */
159 static void ide_ident (block_dev_desc_t *dev_desc);
160 static uchar ide_wait (int dev, ulong t);
162 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
164 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
166 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
168 void inline ide_outb(int dev, int port, unsigned char val);
169 unsigned char inline ide_inb(int dev, int port);
170 static void input_data(int dev, ulong *sect_buf, int words);
171 static void output_data(int dev, ulong *sect_buf, int words);
172 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
174 #ifndef CFG_ATA_PORT_ADDR
175 #define CFG_ATA_PORT_ADDR(port) (port)
179 static void atapi_inquiry(block_dev_desc_t *dev_desc);
180 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
184 #ifdef CONFIG_IDE_8xx_DIRECT
185 static void set_pcmcia_timing (int pmode);
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 cnt = simple_strtoul(argv[4], NULL, 16);
305 #ifdef CFG_64BIT_STRTOUL
306 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
308 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
309 curr_device, blk, cnt);
311 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
313 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
314 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 ulong cnt = simple_strtoul(argv[4], NULL, 16);
334 #ifdef CFG_64BIT_STRTOUL
335 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
337 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
338 curr_device, blk, cnt);
340 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
342 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
343 curr_device, blk, cnt);
346 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
348 printf ("%ld blocks written: %s\n",
349 n, (n==cnt) ? "OK" : "ERROR");
356 printf ("Usage:\n%s\n", cmdtp->usage);
364 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
366 char *boot_device = NULL;
369 ulong addr, cnt, checksum;
370 disk_partition_t info;
374 show_boot_progress (41);
377 addr = CFG_LOAD_ADDR;
378 boot_device = getenv ("bootdevice");
381 addr = simple_strtoul(argv[1], NULL, 16);
382 boot_device = getenv ("bootdevice");
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = argv[2];
389 printf ("Usage:\n%s\n", cmdtp->usage);
390 show_boot_progress (-42);
393 show_boot_progress (42);
396 puts ("\n** No boot device **\n");
397 show_boot_progress (-43);
400 show_boot_progress (43);
402 dev = simple_strtoul(boot_device, &ep, 16);
404 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
405 printf ("\n** Device %d not available\n", dev);
406 show_boot_progress (-44);
409 show_boot_progress (44);
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 show_boot_progress (-45);
417 part = simple_strtoul(++ep, NULL, 16);
419 show_boot_progress (45);
420 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
421 show_boot_progress (-46);
424 show_boot_progress (46);
425 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
426 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
427 printf ("\n** Invalid partition type \"%.32s\""
428 " (expect \"" BOOT_PART_TYPE "\")\n",
430 show_boot_progress (-47);
433 show_boot_progress (47);
435 printf ("\nLoading from IDE device %d, partition %d: "
436 "Name: %.32s Type: %.32s\n",
437 dev, part, info.name, info.type);
439 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
440 info.start, info.size, info.blksz);
442 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
443 printf ("** Read error on %d:%d\n", dev, part);
444 show_boot_progress (-48);
447 show_boot_progress (48);
449 hdr = (image_header_t *)addr;
451 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
452 printf("\n** Bad Magic Number **\n");
453 show_boot_progress (-49);
456 show_boot_progress (49);
458 checksum = ntohl(hdr->ih_hcrc);
461 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
462 puts ("\n** Bad Header Checksum **\n");
463 show_boot_progress (-50);
466 show_boot_progress (50);
467 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
469 print_image_hdr (hdr);
471 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
472 cnt += info.blksz - 1;
476 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
477 (ulong *)(addr+info.blksz)) != cnt) {
478 printf ("** Read error on %d:%d\n", dev, part);
479 show_boot_progress (-51);
482 show_boot_progress (51);
485 /* Loading ok, update default load address */
489 /* Check if we should attempt an auto-start */
490 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
492 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
494 local_args[0] = argv[0];
495 local_args[1] = NULL;
497 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
499 do_bootm (cmdtp, 0, 1, local_args);
505 /* ------------------------------------------------------------------------- */
510 #ifdef CONFIG_IDE_8xx_DIRECT
511 volatile immap_t *immr = (immap_t *)CFG_IMMR;
512 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
516 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
517 unsigned int ata_reset_time = ATA_RESET_TIME;
520 #ifdef CONFIG_AMIGAONEG3SE
521 unsigned int max_bus_scan;
523 #ifdef CONFIG_IDE_8xx_PCCARD
524 extern int pcmcia_on (void);
525 extern int ide_devices_found; /* Initialized in check_ide_device() */
526 #endif /* CONFIG_IDE_8xx_PCCARD */
528 #ifdef CONFIG_IDE_PREINIT
529 extern int ide_preinit (void);
532 if (ide_preinit ()) {
533 puts ("ide_preinit failed\n");
536 #endif /* CONFIG_IDE_PREINIT */
538 #ifdef CONFIG_IDE_8xx_PCCARD
539 extern int pcmcia_on (void);
540 extern int ide_devices_found; /* Initialized in check_ide_device() */
544 ide_devices_found = 0;
545 /* initialize the PCMCIA IDE adapter card */
547 if (!ide_devices_found)
549 udelay (1000000); /* 1 s */
550 #endif /* CONFIG_IDE_8xx_PCCARD */
554 #ifdef CONFIG_IDE_8xx_DIRECT
555 /* Initialize PIO timing tables */
556 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
557 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
559 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
561 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
563 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
565 " hold=%2d ns/%d clk\n",
567 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
568 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
569 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
571 #endif /* CONFIG_IDE_8xx_DIRECT */
573 /* Reset the IDE just to be sure.
574 * Light LED's to show
576 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
577 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
579 #ifdef CONFIG_IDE_8xx_DIRECT
580 /* PCMCIA / IDE initialization for common mem space */
581 pcmp->pcmc_pgcrb = 0;
583 /* start in PIO mode 0 - most relaxed timings */
585 set_pcmcia_timing (pio_mode);
586 #endif /* CONFIG_IDE_8xx_DIRECT */
589 * Wait for IDE to get ready.
590 * According to spec, this can take up to 31 seconds!
592 #ifndef CONFIG_AMIGAONEG3SE
593 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
594 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
596 s = getenv("ide_maxbus");
598 max_bus_scan = simple_strtol(s, NULL, 10);
600 max_bus_scan = CFG_IDE_MAXBUS;
602 for (bus=0; bus<max_bus_scan; ++bus) {
603 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
606 #ifdef CONFIG_IDE_8xx_PCCARD
607 /* Skip non-ide devices from probing */
608 if ((ide_devices_found & (1 << bus)) == 0) {
609 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
613 printf ("Bus %d: ", bus);
619 udelay (100000); /* 100 ms */
620 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
621 udelay (100000); /* 100 ms */
622 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
623 if ((s = getenv("ide_reset_timeout")) != NULL)
624 ata_reset_time = simple_strtol(s, NULL, 10);
628 udelay (10000); /* 10 ms */
630 c = ide_inb (dev, ATA_STATUS);
632 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
633 if (i > (ata_reset_time * 100)) {
635 if (i > (ATA_RESET_TIME * 100)) {
637 puts ("** Timeout **\n");
638 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
639 #ifdef CONFIG_AMIGAONEG3SE
640 /* If this is the second bus, the first one was OK */
648 if ((i >= 100) && ((i%100)==0)) {
651 } while (c & ATA_STAT_BUSY);
653 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
654 puts ("not available ");
655 debug ("Status = 0x%02X ", c);
656 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
657 } else if ((c & ATA_STAT_READY) == 0) {
658 puts ("not available ");
659 debug ("Status = 0x%02X ", c);
668 #ifdef CONFIG_AMIGAONEG3SE
673 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
676 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
677 #ifdef CONFIG_IDE_LED
678 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
680 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
681 ide_dev_desc[i].if_type=IF_TYPE_IDE;
682 ide_dev_desc[i].dev=i;
683 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
684 ide_dev_desc[i].blksz=0;
685 ide_dev_desc[i].lba=0;
686 ide_dev_desc[i].block_read=ide_read;
687 if (!ide_bus_ok[IDE_BUS(i)])
689 ide_led (led, 1); /* LED on */
690 ide_ident(&ide_dev_desc[i]);
691 ide_led (led, 0); /* LED off */
692 dev_print(&ide_dev_desc[i]);
694 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
695 init_part (&ide_dev_desc[i]); /* initialize partition type */
703 /* ------------------------------------------------------------------------- */
705 block_dev_desc_t * ide_get_dev(int dev)
707 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
711 #ifdef CONFIG_IDE_8xx_DIRECT
714 set_pcmcia_timing (int pmode)
716 volatile immap_t *immr = (immap_t *)CFG_IMMR;
717 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
720 debug ("Set timing for PIO Mode %d\n", pmode);
722 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
723 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
724 | PCMCIA_SL (pio_config_clk[pmode].t_length)
729 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
730 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
731 #if (CFG_PCMCIA_POR0 != 0)
735 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
737 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
738 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
739 #if (CFG_PCMCIA_POR1 != 0)
743 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
745 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
746 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
747 #if (CFG_PCMCIA_POR2 != 0)
751 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
753 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
754 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
755 #if (CFG_PCMCIA_POR3 != 0)
759 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
763 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
764 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
765 #if (CFG_PCMCIA_POR4 != 0)
769 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
771 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
772 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
773 #if (CFG_PCMCIA_POR5 != 0)
777 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
779 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
780 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
781 #if (CFG_PCMCIA_POR6 != 0)
785 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
787 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
788 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
789 #if (CFG_PCMCIA_POR7 != 0)
793 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
797 #endif /* CONFIG_IDE_8xx_DIRECT */
799 /* ------------------------------------------------------------------------- */
802 __ide_outb(int dev, int port, unsigned char val)
804 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
805 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
806 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
808 void inline ide_outb (int dev, int port, unsigned char val)
809 __attribute__((weak, alias("__ide_outb")));
812 __ide_inb(int dev, int port)
815 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
816 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
817 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
820 unsigned char inline ide_inb(int dev, int port)
821 __attribute__((weak, alias("__ide_inb")));
824 # ifdef CONFIG_AMIGAONEG3SE
826 output_data_short(int dev, ulong *sect_buf, int words)
829 volatile ushort *pbuf;
831 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
832 dbuf = (ushort *)sect_buf;
842 # endif /* CONFIG_AMIGAONEG3SE */
845 /* We only need to swap data if we are running on a big endian cpu. */
846 /* But Au1x00 cpu:s already swaps data in big endian mode! */
847 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
848 #define input_swap_data(x,y,z) input_data(x,y,z)
851 input_swap_data(int dev, ulong *sect_buf, int words)
853 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
855 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
856 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
857 ushort *dbuf = (ushort *)sect_buf;
860 for (i=0; i<2; i++) {
861 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
862 *(uchar *)dbuf = *pbuf_odd;
867 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
868 ushort *dbuf = (ushort *)sect_buf;
870 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
874 *dbuf++ = swab16p((u16*)pbuf);
875 *dbuf++ = swab16p((u16*)pbuf);
876 #elif defined(CONFIG_PCS440EP)
880 *dbuf++ = ld_le16(pbuf);
881 *dbuf++ = ld_le16(pbuf);
886 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
889 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
891 output_data(int dev, ulong *sect_buf, int words)
893 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
895 volatile uchar *pbuf_even;
896 volatile uchar *pbuf_odd;
898 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
899 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
900 dbuf = (uchar *)sect_buf;
903 *pbuf_even = *dbuf++;
907 *pbuf_even = *dbuf++;
913 volatile ushort *pbuf;
915 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
916 dbuf = (ushort *)sect_buf;
918 #if defined(CONFIG_PCS440EP)
919 /* not tested, because CF was write protected */
921 *pbuf = ld_le16(dbuf++);
923 *pbuf = ld_le16(dbuf++);
933 #else /* ! __PPC__ */
935 output_data(int dev, ulong *sect_buf, int words)
937 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
941 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
943 input_data(int dev, ulong *sect_buf, int words)
945 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
947 volatile uchar *pbuf_even;
948 volatile uchar *pbuf_odd;
950 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
951 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
952 dbuf = (uchar *)sect_buf;
954 *dbuf++ = *pbuf_even;
960 *dbuf++ = *pbuf_even;
969 volatile ushort *pbuf;
971 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
972 dbuf = (ushort *)sect_buf;
974 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
977 #if defined(CONFIG_PCS440EP)
979 *dbuf++ = ld_le16(pbuf);
981 *dbuf++ = ld_le16(pbuf);
991 #else /* ! __PPC__ */
993 input_data(int dev, ulong *sect_buf, int words)
995 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1000 #ifdef CONFIG_AMIGAONEG3SE
1002 input_data_short(int dev, ulong *sect_buf, int words)
1005 volatile ushort *pbuf;
1007 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1008 dbuf = (ushort *)sect_buf;
1022 /* -------------------------------------------------------------------------
1024 static void ide_ident (block_dev_desc_t *dev_desc)
1026 ulong iobuf[ATA_SECTORWORDS];
1028 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1030 #ifdef CONFIG_AMIGAONEG3SE
1040 int mode, cycle_time;
1043 device=dev_desc->dev;
1044 printf (" Device %d: ", device);
1046 #ifdef CONFIG_AMIGAONEG3SE
1047 s = getenv("ide_maxbus");
1049 max_bus_scan = simple_strtol(s, NULL, 10);
1051 max_bus_scan = CFG_IDE_MAXBUS;
1053 if (device >= max_bus_scan*2) {
1054 dev_desc->type=DEV_TYPE_UNKNOWN;
1059 ide_led (DEVICE_LED(device), 1); /* LED on */
1062 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1063 dev_desc->if_type=IF_TYPE_IDE;
1069 /* Warning: This will be tricky to read */
1070 while (retries <= 1) {
1071 /* check signature */
1072 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1073 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1074 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1075 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1076 /* ATAPI Signature found */
1077 dev_desc->if_type=IF_TYPE_ATAPI;
1078 /* Start Ident Command
1080 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1082 * Wait for completion - ATAPI devices need more time
1085 c = ide_wait (device, ATAPI_TIME_OUT);
1089 /* Start Ident Command
1091 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1093 /* Wait for completion
1095 c = ide_wait (device, IDE_TIME_OUT);
1097 ide_led (DEVICE_LED(device), 0); /* LED off */
1099 if (((c & ATA_STAT_DRQ) == 0) ||
1100 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1102 #ifdef CONFIG_AMIGAONEG3SE
1103 s = getenv("ide_doreset");
1104 if (s && strcmp(s, "on") == 0)
1107 /* Need to soft reset the device in case it's an ATAPI... */
1108 debug ("Retrying...\n");
1109 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1111 ide_outb (device, ATA_COMMAND, 0x08);
1112 udelay (500000); /* 500 ms */
1116 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1125 } /* see above - ugly to read */
1127 if (retries == 2) /* Not found */
1131 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1133 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1134 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1135 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1136 #ifdef __LITTLE_ENDIAN
1138 * firmware revision and model number have Big Endian Byte
1139 * order in Word. Convert both to little endian.
1141 * See CF+ and CompactFlash Specification Revision 2.0:
1142 * 6.2.1.6: Identfy Drive, Table 39 for more details
1145 strswab (dev_desc->revision);
1146 strswab (dev_desc->vendor);
1147 #endif /* __LITTLE_ENDIAN */
1149 if ((iop->config & 0x0080)==0x0080)
1150 dev_desc->removable = 1;
1152 dev_desc->removable = 0;
1156 * Drive PIO mode autoselection
1160 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1161 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1163 debug ("Override tPIO -> 2\n");
1165 if (iop->field_valid & 2) { /* drive implements ATA2? */
1166 debug ("Drive implements ATA2\n");
1167 if (iop->capability & 8) { /* drive supports use_iordy? */
1168 cycle_time = iop->eide_pio_iordy;
1170 cycle_time = iop->eide_pio;
1172 debug ("cycle time = %d\n", cycle_time);
1174 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1175 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1176 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1177 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1179 printf ("PIO mode to use: PIO %d\n", mode);
1183 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1184 atapi_inquiry(dev_desc);
1187 #endif /* CONFIG_ATAPI */
1191 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1192 #else /* ! __BIG_ENDIAN */
1194 * do not swap shorts on little endian
1196 * See CF+ and CompactFlash Specification Revision 2.0:
1197 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1199 dev_desc->lba = iop->lba_capacity;
1200 #endif /* __BIG_ENDIAN */
1203 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1204 dev_desc->lba48 = 1;
1205 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1206 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1207 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1208 ((unsigned long long)iop->lba48_capacity[3] << 48);
1210 dev_desc->lba48 = 0;
1212 #endif /* CONFIG_LBA48 */
1214 dev_desc->type=DEV_TYPE_HARDDISK;
1215 dev_desc->blksz=ATA_BLOCKSIZE;
1216 dev_desc->lun=0; /* just to fill something in... */
1218 #if 0 /* only used to test the powersaving mode,
1219 * if enabled, the drive goes after 5 sec
1220 * in standby mode */
1221 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1222 c = ide_wait (device, IDE_TIME_OUT);
1223 ide_outb (device, ATA_SECT_CNT, 1);
1224 ide_outb (device, ATA_LBA_LOW, 0);
1225 ide_outb (device, ATA_LBA_MID, 0);
1226 ide_outb (device, ATA_LBA_HIGH, 0);
1227 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1228 ide_outb (device, ATA_COMMAND, 0xe3);
1230 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1235 /* ------------------------------------------------------------------------- */
1237 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1241 unsigned char pwrsave=0; /* power save */
1243 unsigned char lba48 = 0;
1245 if (blknr & 0x0000fffff0000000) {
1246 /* more than 28 bits used, use 48bit mode */
1250 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1251 device, blknr, blkcnt, (ulong)buffer);
1253 ide_led (DEVICE_LED(device), 1); /* LED on */
1257 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1258 c = ide_wait (device, IDE_TIME_OUT);
1260 if (c & ATA_STAT_BUSY) {
1261 printf ("IDE read: device %d not ready\n", device);
1265 /* first check if the drive is in Powersaving mode, if yes,
1266 * increase the timeout value */
1267 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1270 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1272 if (c & ATA_STAT_BUSY) {
1273 printf ("IDE read: device %d not ready\n", device);
1276 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1277 printf ("No Powersaving mode %X\n", c);
1279 c = ide_inb(device,ATA_SECT_CNT);
1280 debug ("Powersaving %02X\n",c);
1286 while (blkcnt-- > 0) {
1288 c = ide_wait (device, IDE_TIME_OUT);
1290 if (c & ATA_STAT_BUSY) {
1291 printf ("IDE read: device %d not ready\n", device);
1296 /* write high bits */
1297 ide_outb (device, ATA_SECT_CNT, 0);
1298 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1299 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1300 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1303 ide_outb (device, ATA_SECT_CNT, 1);
1304 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1305 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1306 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1310 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1311 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1316 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1317 ATA_DEVICE(device) |
1318 ((blknr >> 24) & 0xF) );
1319 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1325 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1328 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1331 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1332 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1333 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1336 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1337 device, (ulong)blknr, c);
1342 input_data (device, buffer, ATA_SECTORWORDS);
1343 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1347 buffer += ATA_BLOCKSIZE;
1350 ide_led (DEVICE_LED(device), 0); /* LED off */
1354 /* ------------------------------------------------------------------------- */
1357 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1362 unsigned char lba48 = 0;
1364 if (blknr & 0x0000fffff0000000) {
1365 /* more than 28 bits used, use 48bit mode */
1370 ide_led (DEVICE_LED(device), 1); /* LED on */
1374 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1376 while (blkcnt-- > 0) {
1378 c = ide_wait (device, IDE_TIME_OUT);
1380 if (c & ATA_STAT_BUSY) {
1381 printf ("IDE read: device %d not ready\n", device);
1386 /* write high bits */
1387 ide_outb (device, ATA_SECT_CNT, 0);
1388 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1389 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1390 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1393 ide_outb (device, ATA_SECT_CNT, 1);
1394 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1395 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1396 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1400 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1401 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1406 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1407 ATA_DEVICE(device) |
1408 ((blknr >> 24) & 0xF) );
1409 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1414 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1416 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1417 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1418 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1421 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1422 device, (ulong)blknr, c);
1427 output_data (device, buffer, ATA_SECTORWORDS);
1428 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1431 buffer += ATA_BLOCKSIZE;
1434 ide_led (DEVICE_LED(device), 0); /* LED off */
1438 /* ------------------------------------------------------------------------- */
1441 * copy src to dest, skipping leading and trailing blanks and null
1442 * terminate the string
1443 * "len" is the size of available memory including the terminating '\0'
1445 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1447 unsigned char *end, *last;
1450 end = src + len - 1;
1452 /* reserve space for '\0' */
1456 /* skip leading white space */
1457 while ((*src) && (src<end) && (*src==' '))
1460 /* copy string, omitting trailing white space */
1461 while ((*src) && (src<end)) {
1470 /* ------------------------------------------------------------------------- */
1473 * Wait until Busy bit is off, or timeout (in ms)
1474 * Return last status
1476 static uchar ide_wait (int dev, ulong t)
1478 ulong delay = 10 * t; /* poll every 100 us */
1481 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1490 /* ------------------------------------------------------------------------- */
1492 #ifdef CONFIG_IDE_RESET
1493 extern void ide_set_reset(int idereset);
1495 static void ide_reset (void)
1497 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1498 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1503 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1505 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1506 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1508 ide_set_reset (1); /* assert reset */
1512 #ifdef CFG_PB_12V_ENABLE
1513 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1514 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1515 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1516 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1518 /* wait 500 ms for the voltage to stabilize
1520 for (i=0; i<500; ++i) {
1524 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1525 #endif /* CFG_PB_12V_ENABLE */
1527 #ifdef CFG_PB_IDE_MOTOR
1528 /* configure IDE Motor voltage monitor pin as input */
1529 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1530 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1531 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1533 /* wait up to 1 s for the motor voltage to stabilize
1535 for (i=0; i<1000; ++i) {
1536 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1542 if (i == 1000) { /* Timeout */
1543 printf ("\nWarning: 5V for IDE Motor missing\n");
1544 # ifdef CONFIG_STATUS_LED
1545 # ifdef STATUS_LED_YELLOW
1546 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1548 # ifdef STATUS_LED_GREEN
1549 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1551 # endif /* CONFIG_STATUS_LED */
1553 #endif /* CFG_PB_IDE_MOTOR */
1557 /* de-assert RESET signal */
1561 for (i=0; i<250; ++i) {
1566 #endif /* CONFIG_IDE_RESET */
1568 /* ------------------------------------------------------------------------- */
1570 #if defined(CONFIG_IDE_LED) && \
1571 !defined(CONFIG_AMIGAONEG3SE)&& \
1572 !defined(CONFIG_CPC45) && \
1573 !defined(CONFIG_HMI10) && \
1574 !defined(CONFIG_KUP4K) && \
1575 !defined(CONFIG_KUP4X)
1577 static uchar led_buffer = 0; /* Buffer for current LED status */
1579 static void ide_led (uchar led, uchar status)
1581 uchar *led_port = LED_PORT;
1583 if (status) { /* switch LED on */
1585 } else { /* switch LED off */
1589 *led_port = led_buffer;
1592 #endif /* CONFIG_IDE_LED */
1594 /* ------------------------------------------------------------------------- */
1597 /****************************************************************************
1601 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1602 /* since ATAPI may use commands with not 4 bytes alligned length
1603 * we have our own transfer functions, 2 bytes alligned */
1605 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1607 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1609 volatile uchar *pbuf_even;
1610 volatile uchar *pbuf_odd;
1612 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1613 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1616 *pbuf_even = *dbuf++;
1618 *pbuf_odd = *dbuf++;
1622 volatile ushort *pbuf;
1624 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1625 dbuf = (ushort *)sect_buf;
1627 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1637 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1639 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1641 volatile uchar *pbuf_even;
1642 volatile uchar *pbuf_odd;
1644 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1645 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1648 *dbuf++ = *pbuf_even;
1650 *dbuf++ = *pbuf_odd;
1654 volatile ushort *pbuf;
1656 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1657 dbuf = (ushort *)sect_buf;
1659 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1668 #else /* ! __PPC__ */
1670 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1672 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1676 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1678 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1681 #endif /* __PPC__ */
1684 * Wait until (Status & mask) == res, or timeout (in ms)
1685 * Return last status
1686 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1687 * and then they set their DRQ Bit
1689 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1691 ulong delay = 10 * t; /* poll every 100 us */
1694 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1695 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1696 /* break if error occurs (doesn't make sense to wait more) */
1697 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1708 * issue an atapi command
1710 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1712 unsigned char c,err,mask,res;
1714 ide_led (DEVICE_LED(device), 1); /* LED on */
1718 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1720 #ifdef CONFIG_AMIGAONEG3SE
1721 # warning THF: Removed LBA mode ???
1723 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1724 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1725 if ((c & mask) != res) {
1726 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1730 /* write taskfile */
1731 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1732 ide_outb (device, ATA_SECT_CNT, 0);
1733 ide_outb (device, ATA_SECT_NUM, 0);
1734 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1735 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1736 #ifdef CONFIG_AMIGAONEG3SE
1737 # warning THF: Removed LBA mode ???
1739 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1741 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1744 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1746 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1748 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1749 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1754 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1755 /* ATAPI Command written wait for completition */
1756 udelay (5000); /* device must set bsy */
1758 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1759 /* if no data wait for DRQ = 0 BSY = 0
1760 * if data wait for DRQ = 1 BSY = 0 */
1764 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1765 if ((c & mask) != res ) {
1766 if (c & ATA_STAT_ERR) {
1767 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1768 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1770 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1775 n=ide_inb(device, ATA_CYL_HIGH);
1777 n+=ide_inb(device, ATA_CYL_LOW);
1779 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1783 if((n==0)&&(buflen<0)) {
1784 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1789 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1791 if(n!=0) { /* data transfer */
1792 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1793 /* we transfer shorts */
1795 /* ok now decide if it is an in or output */
1796 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1797 debug ("Write to device\n");
1798 output_data_shorts(device,(unsigned short *)buffer,n);
1800 debug ("Read from device @ %p shorts %d\n",buffer,n);
1801 input_data_shorts(device,(unsigned short *)buffer,n);
1804 udelay(5000); /* seems that some CD ROMs need this... */
1805 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1807 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1808 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1809 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1810 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1815 ide_led (DEVICE_LED(device), 0); /* LED off */
1820 * sending the command to atapi_issue. If an status other than good
1821 * returns, an request_sense will be issued
1824 #define ATAPI_DRIVE_NOT_READY 100
1825 #define ATAPI_UNIT_ATTN 10
1827 unsigned char atapi_issue_autoreq (int device,
1830 unsigned char *buffer,
1833 unsigned char sense_data[18],sense_ccb[12];
1834 unsigned char res,key,asc,ascq;
1835 int notready,unitattn;
1837 #ifdef CONFIG_AMIGAONEG3SE
1839 unsigned int timeout, retrycnt;
1841 s = getenv("ide_cd_timeout");
1842 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1847 unitattn=ATAPI_UNIT_ATTN;
1848 notready=ATAPI_DRIVE_NOT_READY;
1851 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1853 return (0); /* Ok */
1856 return (0xFF); /* error */
1858 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1860 memset(sense_ccb,0,sizeof(sense_ccb));
1861 memset(sense_data,0,sizeof(sense_data));
1862 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1863 sense_ccb[4]=18; /* allocation Length */
1865 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1866 key=(sense_data[2]&0xF);
1867 asc=(sense_data[12]);
1868 ascq=(sense_data[13]);
1870 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1871 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1878 return 0; /* ok device ready */
1880 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1885 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1888 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1893 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1897 debug ("Media not present\n");
1901 #ifdef CONFIG_AMIGAONEG3SE
1902 if ((sense_data[2]&0xF)==0x0B) {
1903 debug ("ABORTED COMMAND...retry\n");
1909 if ((sense_data[2]&0xf) == 0x02 &&
1910 sense_data[12] == 0x04 &&
1911 sense_data[13] == 0x01 ) {
1912 debug ("Waiting for unit to become active\n");
1918 #endif /* CONFIG_AMIGAONEG3SE */
1920 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1922 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1927 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1929 unsigned char ccb[12]; /* Command descriptor block */
1930 unsigned char iobuf[64]; /* temp buf */
1934 device=dev_desc->dev;
1935 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1936 dev_desc->block_read=atapi_read;
1938 memset(ccb,0,sizeof(ccb));
1939 memset(iobuf,0,sizeof(iobuf));
1941 ccb[0]=ATAPI_CMD_INQUIRY;
1942 ccb[4]=40; /* allocation Legnth */
1943 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1945 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1949 /* copy device ident strings */
1950 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1951 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1952 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1957 dev_desc->type=iobuf[0] & 0x1f;
1959 if ((iobuf[1]&0x80)==0x80)
1960 dev_desc->removable = 1;
1962 dev_desc->removable = 0;
1964 memset(ccb,0,sizeof(ccb));
1965 memset(iobuf,0,sizeof(iobuf));
1966 ccb[0]=ATAPI_CMD_START_STOP;
1967 ccb[4]=0x03; /* start */
1969 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1971 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1975 memset(ccb,0,sizeof(ccb));
1976 memset(iobuf,0,sizeof(iobuf));
1977 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1979 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1983 memset(ccb,0,sizeof(ccb));
1984 memset(iobuf,0,sizeof(iobuf));
1985 ccb[0]=ATAPI_CMD_READ_CAP;
1986 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1987 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1991 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1992 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1993 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1995 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1996 ((unsigned long)iobuf[1]<<16) +
1997 ((unsigned long)iobuf[2]<< 8) +
1998 ((unsigned long)iobuf[3]);
1999 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2000 ((unsigned long)iobuf[5]<<16) +
2001 ((unsigned long)iobuf[6]<< 8) +
2002 ((unsigned long)iobuf[7]);
2004 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2012 * we transfer only one block per command, since the multiple DRQ per
2013 * command is not yet implemented
2015 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2016 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2017 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2019 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2022 unsigned char ccb[12]; /* Command descriptor block */
2025 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2026 device, blknr, blkcnt, (ulong)buffer);
2029 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2030 cnt=ATAPI_READ_MAX_BLOCK;
2034 ccb[0]=ATAPI_CMD_READ_12;
2035 ccb[1]=0; /* reserved */
2036 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2037 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2038 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2039 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2040 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2041 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2042 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2043 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2044 ccb[10]=0; /* reserved */
2045 ccb[11]=0; /* reserved */
2047 if (atapi_issue_autoreq(device,ccb,12,
2048 (unsigned char *)buffer,
2049 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2055 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2056 } while (blkcnt > 0);
2060 /* ------------------------------------------------------------------------- */
2062 #endif /* CONFIG_ATAPI */
2066 "ide - IDE sub-system\n",
2067 "reset - reset IDE controller\n"
2068 "ide info - show available IDE devices\n"
2069 "ide device [dev] - show or set current device\n"
2070 "ide part [dev] - print partition table of one or all IDE devices\n"
2071 "ide read addr blk# cnt\n"
2072 "ide write addr blk# cnt - read/write `cnt'"
2073 " blocks starting at block `blk#'\n"
2074 " to/from memory address `addr'\n"
2078 diskboot, 3, 1, do_diskboot,
2079 "diskboot- boot from IDE device\n",
2080 "loadAddr dev:part\n"