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 #if defined(CONFIG_CMD_IDE)
73 #ifdef CONFIG_IDE_8xx_DIRECT
74 /* Timings for IDE Interface
76 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
77 * 70 165 30 PIO-Mode 0, [ns]
79 * 50 125 20 PIO-Mode 1, [ns]
81 * 30 100 15 PIO-Mode 2, [ns]
83 * 30 80 10 PIO-Mode 3, [ns]
85 * 25 70 10 PIO-Mode 4, [ns]
89 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
91 /* Setup Length Hold */
92 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
93 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
94 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
95 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
96 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
99 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
102 #define CFG_PIO_MODE 0 /* use a relaxed default */
104 static int pio_mode = CFG_PIO_MODE;
106 /* Make clock cycles and always round up */
108 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
110 #endif /* CONFIG_IDE_8xx_DIRECT */
112 /* ------------------------------------------------------------------------- */
114 /* Current I/O Device */
115 static int curr_device = -1;
117 /* Current offset for IDE0 / IDE1 bus access */
118 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
119 #if defined(CFG_ATA_IDE0_OFFSET)
122 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
128 #ifndef CONFIG_AMIGAONEG3SE
129 static int ide_bus_ok[CFG_IDE_MAXBUS];
131 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
134 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
135 /* ------------------------------------------------------------------------- */
137 #ifdef CONFIG_IDE_LED
138 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
139 static void ide_led (uchar led, uchar status);
141 extern void ide_led (uchar led, uchar status);
144 #ifndef CONFIG_AMIGAONEG3SE
145 #define ide_led(a,b) /* dummy */
147 extern void ide_led(uchar led, uchar status);
150 #define CONFIG_IDE_LED 1
151 #define DEVICE_LED(x) 1
155 #ifdef CONFIG_IDE_RESET
156 static void ide_reset (void);
158 #define ide_reset() /* dummy */
161 static void ide_ident (block_dev_desc_t *dev_desc);
162 static uchar ide_wait (int dev, ulong t);
164 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
166 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
168 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
170 void inline ide_outb(int dev, int port, unsigned char val);
171 unsigned char inline ide_inb(int dev, int port);
172 static void input_data(int dev, ulong *sect_buf, int words);
173 static void output_data(int dev, ulong *sect_buf, int words);
174 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
176 #ifndef CFG_ATA_PORT_ADDR
177 #define CFG_ATA_PORT_ADDR(port) (port)
181 static void atapi_inquiry(block_dev_desc_t *dev_desc);
182 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
186 #ifdef CONFIG_IDE_8xx_DIRECT
187 static void set_pcmcia_timing (int pmode);
190 /* ------------------------------------------------------------------------- */
192 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
199 printf ("Usage:\n%s\n", cmdtp->usage);
202 if (strncmp(argv[1],"res",3) == 0) {
204 #ifdef CONFIG_IDE_8xx_DIRECT
205 " on PCMCIA " PCMCIA_SLOT_MSG
211 } else if (strncmp(argv[1],"inf",3) == 0) {
216 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
217 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
218 continue; /* list only known devices */
219 printf ("IDE device %d: ", i);
220 dev_print(&ide_dev_desc[i]);
224 } else if (strncmp(argv[1],"dev",3) == 0) {
225 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
226 puts ("\nno IDE devices available\n");
229 printf ("\nIDE device %d: ", curr_device);
230 dev_print(&ide_dev_desc[curr_device]);
232 } else if (strncmp(argv[1],"part",4) == 0) {
235 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
236 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
240 print_part(&ide_dev_desc[dev]);
244 puts ("\nno IDE devices available\n");
249 printf ("Usage:\n%s\n", cmdtp->usage);
252 if (strncmp(argv[1],"dev",3) == 0) {
253 int dev = (int)simple_strtoul(argv[2], NULL, 10);
255 printf ("\nIDE device %d: ", dev);
256 if (dev >= CFG_IDE_MAXDEVICE) {
257 puts ("unknown device\n");
260 dev_print(&ide_dev_desc[dev]);
263 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
269 puts ("... is now current device\n");
272 } else if (strncmp(argv[1],"part",4) == 0) {
273 int dev = (int)simple_strtoul(argv[2], NULL, 10);
275 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
276 print_part(&ide_dev_desc[dev]);
278 printf ("\nIDE device %d not available\n", dev);
283 } else if (strncmp(argv[1],"pio",4) == 0) {
284 int mode = (int)simple_strtoul(argv[2], NULL, 10);
286 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
291 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
292 mode, IDE_MAX_PIO_MODE);
298 printf ("Usage:\n%s\n", cmdtp->usage);
301 /* at least 4 args */
303 if (strcmp(argv[1],"read") == 0) {
304 ulong addr = simple_strtoul(argv[2], NULL, 16);
305 ulong cnt = simple_strtoul(argv[4], NULL, 16);
307 #ifdef CFG_64BIT_STRTOUL
308 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
310 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
311 curr_device, blk, cnt);
313 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
315 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
316 curr_device, blk, cnt);
319 n = ide_dev_desc[curr_device].block_read (curr_device,
322 /* flush cache after read */
323 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
325 printf ("%ld blocks read: %s\n",
326 n, (n==cnt) ? "OK" : "ERROR");
332 } else if (strcmp(argv[1],"write") == 0) {
333 ulong addr = simple_strtoul(argv[2], NULL, 16);
334 ulong cnt = simple_strtoul(argv[4], NULL, 16);
336 #ifdef CFG_64BIT_STRTOUL
337 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
339 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
340 curr_device, blk, cnt);
342 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
344 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
345 curr_device, blk, cnt);
348 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
350 printf ("%ld blocks written: %s\n",
351 n, (n==cnt) ? "OK" : "ERROR");
358 printf ("Usage:\n%s\n", cmdtp->usage);
366 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
368 char *boot_device = NULL;
371 ulong addr, cnt, checksum;
372 disk_partition_t info;
376 show_boot_progress (41);
379 addr = CFG_LOAD_ADDR;
380 boot_device = getenv ("bootdevice");
383 addr = simple_strtoul(argv[1], NULL, 16);
384 boot_device = getenv ("bootdevice");
387 addr = simple_strtoul(argv[1], NULL, 16);
388 boot_device = argv[2];
391 printf ("Usage:\n%s\n", cmdtp->usage);
392 show_boot_progress (-42);
395 show_boot_progress (42);
398 puts ("\n** No boot device **\n");
399 show_boot_progress (-43);
402 show_boot_progress (43);
404 dev = simple_strtoul(boot_device, &ep, 16);
406 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
407 printf ("\n** Device %d not available\n", dev);
408 show_boot_progress (-44);
411 show_boot_progress (44);
415 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
416 show_boot_progress (-45);
419 part = simple_strtoul(++ep, NULL, 16);
421 show_boot_progress (45);
422 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
423 show_boot_progress (-46);
426 show_boot_progress (46);
427 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
428 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
429 printf ("\n** Invalid partition type \"%.32s\""
430 " (expect \"" BOOT_PART_TYPE "\")\n",
432 show_boot_progress (-47);
435 show_boot_progress (47);
437 printf ("\nLoading from IDE device %d, partition %d: "
438 "Name: %.32s Type: %.32s\n",
439 dev, part, info.name, info.type);
441 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
442 info.start, info.size, info.blksz);
444 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
445 printf ("** Read error on %d:%d\n", dev, part);
446 show_boot_progress (-48);
449 show_boot_progress (48);
451 hdr = (image_header_t *)addr;
453 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
454 printf("\n** Bad Magic Number **\n");
455 show_boot_progress (-49);
458 show_boot_progress (49);
460 checksum = ntohl(hdr->ih_hcrc);
463 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
464 puts ("\n** Bad Header Checksum **\n");
465 show_boot_progress (-50);
468 show_boot_progress (50);
469 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
471 print_image_hdr (hdr);
473 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
474 cnt += info.blksz - 1;
478 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
479 (ulong *)(addr+info.blksz)) != cnt) {
480 printf ("** Read error on %d:%d\n", dev, part);
481 show_boot_progress (-51);
484 show_boot_progress (51);
487 /* Loading ok, update default load address */
491 /* Check if we should attempt an auto-start */
492 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
494 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
496 local_args[0] = argv[0];
497 local_args[1] = NULL;
499 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
501 do_bootm (cmdtp, 0, 1, local_args);
507 /* ------------------------------------------------------------------------- */
512 #ifdef CONFIG_IDE_8xx_DIRECT
513 volatile immap_t *immr = (immap_t *)CFG_IMMR;
514 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
518 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
519 unsigned int ata_reset_time = ATA_RESET_TIME;
522 #ifdef CONFIG_AMIGAONEG3SE
523 unsigned int max_bus_scan;
525 #ifdef CONFIG_IDE_8xx_PCCARD
526 extern int pcmcia_on (void);
527 extern int ide_devices_found; /* Initialized in check_ide_device() */
528 #endif /* CONFIG_IDE_8xx_PCCARD */
530 #ifdef CONFIG_IDE_PREINIT
531 extern int ide_preinit (void);
534 if (ide_preinit ()) {
535 puts ("ide_preinit failed\n");
538 #endif /* CONFIG_IDE_PREINIT */
540 #ifdef CONFIG_IDE_8xx_PCCARD
541 extern int pcmcia_on (void);
542 extern int ide_devices_found; /* Initialized in check_ide_device() */
546 ide_devices_found = 0;
547 /* initialize the PCMCIA IDE adapter card */
549 if (!ide_devices_found)
551 udelay (1000000); /* 1 s */
552 #endif /* CONFIG_IDE_8xx_PCCARD */
556 #ifdef CONFIG_IDE_8xx_DIRECT
557 /* Initialize PIO timing tables */
558 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
559 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
561 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
563 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
565 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
567 " hold=%2d ns/%d clk\n",
569 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
570 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
571 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
573 #endif /* CONFIG_IDE_8xx_DIRECT */
575 /* Reset the IDE just to be sure.
576 * Light LED's to show
578 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
579 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
581 #ifdef CONFIG_IDE_8xx_DIRECT
582 /* PCMCIA / IDE initialization for common mem space */
583 pcmp->pcmc_pgcrb = 0;
585 /* start in PIO mode 0 - most relaxed timings */
587 set_pcmcia_timing (pio_mode);
588 #endif /* CONFIG_IDE_8xx_DIRECT */
591 * Wait for IDE to get ready.
592 * According to spec, this can take up to 31 seconds!
594 #ifndef CONFIG_AMIGAONEG3SE
595 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
596 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
598 s = getenv("ide_maxbus");
600 max_bus_scan = simple_strtol(s, NULL, 10);
602 max_bus_scan = CFG_IDE_MAXBUS;
604 for (bus=0; bus<max_bus_scan; ++bus) {
605 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
608 #ifdef CONFIG_IDE_8xx_PCCARD
609 /* Skip non-ide devices from probing */
610 if ((ide_devices_found & (1 << bus)) == 0) {
611 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
615 printf ("Bus %d: ", bus);
621 udelay (100000); /* 100 ms */
622 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
623 udelay (100000); /* 100 ms */
624 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
625 if ((s = getenv("ide_reset_timeout")) != NULL)
626 ata_reset_time = simple_strtol(s, NULL, 10);
630 udelay (10000); /* 10 ms */
632 c = ide_inb (dev, ATA_STATUS);
634 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
635 if (i > (ata_reset_time * 100)) {
637 if (i > (ATA_RESET_TIME * 100)) {
639 puts ("** Timeout **\n");
640 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
641 #ifdef CONFIG_AMIGAONEG3SE
642 /* If this is the second bus, the first one was OK */
650 if ((i >= 100) && ((i%100)==0)) {
653 } while (c & ATA_STAT_BUSY);
655 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
656 puts ("not available ");
657 debug ("Status = 0x%02X ", c);
658 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
659 } else if ((c & ATA_STAT_READY) == 0) {
660 puts ("not available ");
661 debug ("Status = 0x%02X ", c);
670 #ifdef CONFIG_AMIGAONEG3SE
675 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
678 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
679 #ifdef CONFIG_IDE_LED
680 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
682 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
683 ide_dev_desc[i].if_type=IF_TYPE_IDE;
684 ide_dev_desc[i].dev=i;
685 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
686 ide_dev_desc[i].blksz=0;
687 ide_dev_desc[i].lba=0;
688 ide_dev_desc[i].block_read=ide_read;
689 if (!ide_bus_ok[IDE_BUS(i)])
691 ide_led (led, 1); /* LED on */
692 ide_ident(&ide_dev_desc[i]);
693 ide_led (led, 0); /* LED off */
694 dev_print(&ide_dev_desc[i]);
696 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
697 init_part (&ide_dev_desc[i]); /* initialize partition type */
705 /* ------------------------------------------------------------------------- */
707 block_dev_desc_t * ide_get_dev(int dev)
709 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
713 #ifdef CONFIG_IDE_8xx_DIRECT
716 set_pcmcia_timing (int pmode)
718 volatile immap_t *immr = (immap_t *)CFG_IMMR;
719 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
722 debug ("Set timing for PIO Mode %d\n", pmode);
724 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
725 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
726 | PCMCIA_SL (pio_config_clk[pmode].t_length)
731 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
732 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
733 #if (CFG_PCMCIA_POR0 != 0)
737 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
739 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
740 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
741 #if (CFG_PCMCIA_POR1 != 0)
745 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
747 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
748 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
749 #if (CFG_PCMCIA_POR2 != 0)
753 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
755 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
756 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
757 #if (CFG_PCMCIA_POR3 != 0)
761 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
765 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
766 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
767 #if (CFG_PCMCIA_POR4 != 0)
771 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
773 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
774 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
775 #if (CFG_PCMCIA_POR5 != 0)
779 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
781 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
782 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
783 #if (CFG_PCMCIA_POR6 != 0)
787 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
789 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
790 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
791 #if (CFG_PCMCIA_POR7 != 0)
795 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
799 #endif /* CONFIG_IDE_8xx_DIRECT */
801 /* ------------------------------------------------------------------------- */
804 __ide_outb(int dev, int port, unsigned char val)
806 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
807 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
808 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
810 void inline ide_outb (int dev, int port, unsigned char val)
811 __attribute__((weak, alias("__ide_outb")));
814 __ide_inb(int dev, int port)
817 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
818 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
819 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
822 unsigned char inline ide_inb(int dev, int port)
823 __attribute__((weak, alias("__ide_inb")));
826 # ifdef CONFIG_AMIGAONEG3SE
828 output_data_short(int dev, ulong *sect_buf, int words)
831 volatile ushort *pbuf;
833 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
834 dbuf = (ushort *)sect_buf;
844 # endif /* CONFIG_AMIGAONEG3SE */
847 /* We only need to swap data if we are running on a big endian cpu. */
848 /* But Au1x00 cpu:s already swaps data in big endian mode! */
849 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
850 #define input_swap_data(x,y,z) input_data(x,y,z)
853 input_swap_data(int dev, ulong *sect_buf, int words)
855 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
857 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
858 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
859 ushort *dbuf = (ushort *)sect_buf;
862 for (i=0; i<2; i++) {
863 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
864 *(uchar *)dbuf = *pbuf_odd;
869 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
870 ushort *dbuf = (ushort *)sect_buf;
872 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
876 *dbuf++ = swab16p((u16*)pbuf);
877 *dbuf++ = swab16p((u16*)pbuf);
878 #elif defined(CONFIG_PCS440EP)
882 *dbuf++ = ld_le16(pbuf);
883 *dbuf++ = ld_le16(pbuf);
888 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
891 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
893 output_data(int dev, ulong *sect_buf, int words)
895 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
897 volatile uchar *pbuf_even;
898 volatile uchar *pbuf_odd;
900 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
901 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
902 dbuf = (uchar *)sect_buf;
905 *pbuf_even = *dbuf++;
909 *pbuf_even = *dbuf++;
915 volatile ushort *pbuf;
917 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
918 dbuf = (ushort *)sect_buf;
920 #if defined(CONFIG_PCS440EP)
921 /* not tested, because CF was write protected */
923 *pbuf = ld_le16(dbuf++);
925 *pbuf = ld_le16(dbuf++);
935 #else /* ! __PPC__ */
937 output_data(int dev, ulong *sect_buf, int words)
939 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
943 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
945 input_data(int dev, ulong *sect_buf, int words)
947 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
949 volatile uchar *pbuf_even;
950 volatile uchar *pbuf_odd;
952 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
953 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
954 dbuf = (uchar *)sect_buf;
956 *dbuf++ = *pbuf_even;
962 *dbuf++ = *pbuf_even;
971 volatile ushort *pbuf;
973 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
974 dbuf = (ushort *)sect_buf;
976 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
979 #if defined(CONFIG_PCS440EP)
981 *dbuf++ = ld_le16(pbuf);
983 *dbuf++ = ld_le16(pbuf);
993 #else /* ! __PPC__ */
995 input_data(int dev, ulong *sect_buf, int words)
997 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1000 #endif /* __PPC__ */
1002 #ifdef CONFIG_AMIGAONEG3SE
1004 input_data_short(int dev, ulong *sect_buf, int words)
1007 volatile ushort *pbuf;
1009 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1010 dbuf = (ushort *)sect_buf;
1024 /* -------------------------------------------------------------------------
1026 static void ide_ident (block_dev_desc_t *dev_desc)
1028 ulong iobuf[ATA_SECTORWORDS];
1030 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1032 #ifdef CONFIG_AMIGAONEG3SE
1042 int mode, cycle_time;
1045 device=dev_desc->dev;
1046 printf (" Device %d: ", device);
1048 #ifdef CONFIG_AMIGAONEG3SE
1049 s = getenv("ide_maxbus");
1051 max_bus_scan = simple_strtol(s, NULL, 10);
1053 max_bus_scan = CFG_IDE_MAXBUS;
1055 if (device >= max_bus_scan*2) {
1056 dev_desc->type=DEV_TYPE_UNKNOWN;
1061 ide_led (DEVICE_LED(device), 1); /* LED on */
1064 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1065 dev_desc->if_type=IF_TYPE_IDE;
1071 /* Warning: This will be tricky to read */
1072 while (retries <= 1) {
1073 /* check signature */
1074 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1075 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1076 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1077 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1078 /* ATAPI Signature found */
1079 dev_desc->if_type=IF_TYPE_ATAPI;
1080 /* Start Ident Command
1082 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1084 * Wait for completion - ATAPI devices need more time
1087 c = ide_wait (device, ATAPI_TIME_OUT);
1091 /* Start Ident Command
1093 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1095 /* Wait for completion
1097 c = ide_wait (device, IDE_TIME_OUT);
1099 ide_led (DEVICE_LED(device), 0); /* LED off */
1101 if (((c & ATA_STAT_DRQ) == 0) ||
1102 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1104 #ifdef CONFIG_AMIGAONEG3SE
1105 s = getenv("ide_doreset");
1106 if (s && strcmp(s, "on") == 0)
1109 /* Need to soft reset the device in case it's an ATAPI... */
1110 debug ("Retrying...\n");
1111 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1113 ide_outb (device, ATA_COMMAND, 0x08);
1114 udelay (500000); /* 500 ms */
1118 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1127 } /* see above - ugly to read */
1129 if (retries == 2) /* Not found */
1133 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1135 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1136 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1137 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1138 #ifdef __LITTLE_ENDIAN
1140 * firmware revision and model number have Big Endian Byte
1141 * order in Word. Convert both to little endian.
1143 * See CF+ and CompactFlash Specification Revision 2.0:
1144 * 6.2.1.6: Identfy Drive, Table 39 for more details
1147 strswab (dev_desc->revision);
1148 strswab (dev_desc->vendor);
1149 #endif /* __LITTLE_ENDIAN */
1151 if ((iop->config & 0x0080)==0x0080)
1152 dev_desc->removable = 1;
1154 dev_desc->removable = 0;
1158 * Drive PIO mode autoselection
1162 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1163 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1165 debug ("Override tPIO -> 2\n");
1167 if (iop->field_valid & 2) { /* drive implements ATA2? */
1168 debug ("Drive implements ATA2\n");
1169 if (iop->capability & 8) { /* drive supports use_iordy? */
1170 cycle_time = iop->eide_pio_iordy;
1172 cycle_time = iop->eide_pio;
1174 debug ("cycle time = %d\n", cycle_time);
1176 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1177 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1178 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1179 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1181 printf ("PIO mode to use: PIO %d\n", mode);
1185 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1186 atapi_inquiry(dev_desc);
1189 #endif /* CONFIG_ATAPI */
1193 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1194 #else /* ! __BIG_ENDIAN */
1196 * do not swap shorts on little endian
1198 * See CF+ and CompactFlash Specification Revision 2.0:
1199 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1201 dev_desc->lba = iop->lba_capacity;
1202 #endif /* __BIG_ENDIAN */
1205 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1206 dev_desc->lba48 = 1;
1207 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1208 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1209 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1210 ((unsigned long long)iop->lba48_capacity[3] << 48);
1212 dev_desc->lba48 = 0;
1214 #endif /* CONFIG_LBA48 */
1216 dev_desc->type=DEV_TYPE_HARDDISK;
1217 dev_desc->blksz=ATA_BLOCKSIZE;
1218 dev_desc->lun=0; /* just to fill something in... */
1220 #if 0 /* only used to test the powersaving mode,
1221 * if enabled, the drive goes after 5 sec
1222 * in standby mode */
1223 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1224 c = ide_wait (device, IDE_TIME_OUT);
1225 ide_outb (device, ATA_SECT_CNT, 1);
1226 ide_outb (device, ATA_LBA_LOW, 0);
1227 ide_outb (device, ATA_LBA_MID, 0);
1228 ide_outb (device, ATA_LBA_HIGH, 0);
1229 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1230 ide_outb (device, ATA_COMMAND, 0xe3);
1232 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1237 /* ------------------------------------------------------------------------- */
1239 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1243 unsigned char pwrsave=0; /* power save */
1245 unsigned char lba48 = 0;
1247 if (blknr & 0x0000fffff0000000) {
1248 /* more than 28 bits used, use 48bit mode */
1252 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1253 device, blknr, blkcnt, (ulong)buffer);
1255 ide_led (DEVICE_LED(device), 1); /* LED on */
1259 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1260 c = ide_wait (device, IDE_TIME_OUT);
1262 if (c & ATA_STAT_BUSY) {
1263 printf ("IDE read: device %d not ready\n", device);
1267 /* first check if the drive is in Powersaving mode, if yes,
1268 * increase the timeout value */
1269 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1272 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1274 if (c & ATA_STAT_BUSY) {
1275 printf ("IDE read: device %d not ready\n", device);
1278 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1279 printf ("No Powersaving mode %X\n", c);
1281 c = ide_inb(device,ATA_SECT_CNT);
1282 debug ("Powersaving %02X\n",c);
1288 while (blkcnt-- > 0) {
1290 c = ide_wait (device, IDE_TIME_OUT);
1292 if (c & ATA_STAT_BUSY) {
1293 printf ("IDE read: device %d not ready\n", device);
1298 /* write high bits */
1299 ide_outb (device, ATA_SECT_CNT, 0);
1300 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1301 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1302 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1305 ide_outb (device, ATA_SECT_CNT, 1);
1306 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1307 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1308 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1312 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1313 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1318 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1319 ATA_DEVICE(device) |
1320 ((blknr >> 24) & 0xF) );
1321 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1327 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1330 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1333 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1334 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1335 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1338 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1339 device, (ulong)blknr, c);
1344 input_data (device, buffer, ATA_SECTORWORDS);
1345 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1349 buffer += ATA_BLOCKSIZE;
1352 ide_led (DEVICE_LED(device), 0); /* LED off */
1356 /* ------------------------------------------------------------------------- */
1359 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1364 unsigned char lba48 = 0;
1366 if (blknr & 0x0000fffff0000000) {
1367 /* more than 28 bits used, use 48bit mode */
1372 ide_led (DEVICE_LED(device), 1); /* LED on */
1376 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1378 while (blkcnt-- > 0) {
1380 c = ide_wait (device, IDE_TIME_OUT);
1382 if (c & ATA_STAT_BUSY) {
1383 printf ("IDE read: device %d not ready\n", device);
1388 /* write high bits */
1389 ide_outb (device, ATA_SECT_CNT, 0);
1390 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1391 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1392 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1395 ide_outb (device, ATA_SECT_CNT, 1);
1396 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1397 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1398 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1402 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1403 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1408 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1409 ATA_DEVICE(device) |
1410 ((blknr >> 24) & 0xF) );
1411 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1416 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1418 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1419 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1420 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1423 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1424 device, (ulong)blknr, c);
1429 output_data (device, buffer, ATA_SECTORWORDS);
1430 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1433 buffer += ATA_BLOCKSIZE;
1436 ide_led (DEVICE_LED(device), 0); /* LED off */
1440 /* ------------------------------------------------------------------------- */
1443 * copy src to dest, skipping leading and trailing blanks and null
1444 * terminate the string
1445 * "len" is the size of available memory including the terminating '\0'
1447 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1449 unsigned char *end, *last;
1452 end = src + len - 1;
1454 /* reserve space for '\0' */
1458 /* skip leading white space */
1459 while ((*src) && (src<end) && (*src==' '))
1462 /* copy string, omitting trailing white space */
1463 while ((*src) && (src<end)) {
1472 /* ------------------------------------------------------------------------- */
1475 * Wait until Busy bit is off, or timeout (in ms)
1476 * Return last status
1478 static uchar ide_wait (int dev, ulong t)
1480 ulong delay = 10 * t; /* poll every 100 us */
1483 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1492 /* ------------------------------------------------------------------------- */
1494 #ifdef CONFIG_IDE_RESET
1495 extern void ide_set_reset(int idereset);
1497 static void ide_reset (void)
1499 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1500 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1505 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1507 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1508 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1510 ide_set_reset (1); /* assert reset */
1514 #ifdef CFG_PB_12V_ENABLE
1515 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1516 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1517 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1518 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1520 /* wait 500 ms for the voltage to stabilize
1522 for (i=0; i<500; ++i) {
1526 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1527 #endif /* CFG_PB_12V_ENABLE */
1529 #ifdef CFG_PB_IDE_MOTOR
1530 /* configure IDE Motor voltage monitor pin as input */
1531 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1532 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1533 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1535 /* wait up to 1 s for the motor voltage to stabilize
1537 for (i=0; i<1000; ++i) {
1538 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1544 if (i == 1000) { /* Timeout */
1545 printf ("\nWarning: 5V for IDE Motor missing\n");
1546 # ifdef CONFIG_STATUS_LED
1547 # ifdef STATUS_LED_YELLOW
1548 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1550 # ifdef STATUS_LED_GREEN
1551 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1553 # endif /* CONFIG_STATUS_LED */
1555 #endif /* CFG_PB_IDE_MOTOR */
1559 /* de-assert RESET signal */
1563 for (i=0; i<250; ++i) {
1568 #endif /* CONFIG_IDE_RESET */
1570 /* ------------------------------------------------------------------------- */
1572 #if defined(CONFIG_IDE_LED) && \
1573 !defined(CONFIG_AMIGAONEG3SE)&& \
1574 !defined(CONFIG_CPC45) && \
1575 !defined(CONFIG_HMI10) && \
1576 !defined(CONFIG_KUP4K) && \
1577 !defined(CONFIG_KUP4X)
1579 static uchar led_buffer = 0; /* Buffer for current LED status */
1581 static void ide_led (uchar led, uchar status)
1583 uchar *led_port = LED_PORT;
1585 if (status) { /* switch LED on */
1587 } else { /* switch LED off */
1591 *led_port = led_buffer;
1594 #endif /* CONFIG_IDE_LED */
1596 /* ------------------------------------------------------------------------- */
1599 /****************************************************************************
1603 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1604 /* since ATAPI may use commands with not 4 bytes alligned length
1605 * we have our own transfer functions, 2 bytes alligned */
1607 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1609 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1611 volatile uchar *pbuf_even;
1612 volatile uchar *pbuf_odd;
1614 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1615 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1618 *pbuf_even = *dbuf++;
1620 *pbuf_odd = *dbuf++;
1624 volatile ushort *pbuf;
1626 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1627 dbuf = (ushort *)sect_buf;
1629 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1639 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1641 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1643 volatile uchar *pbuf_even;
1644 volatile uchar *pbuf_odd;
1646 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1647 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1650 *dbuf++ = *pbuf_even;
1652 *dbuf++ = *pbuf_odd;
1656 volatile ushort *pbuf;
1658 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1659 dbuf = (ushort *)sect_buf;
1661 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1670 #else /* ! __PPC__ */
1672 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1674 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1678 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1680 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1683 #endif /* __PPC__ */
1686 * Wait until (Status & mask) == res, or timeout (in ms)
1687 * Return last status
1688 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1689 * and then they set their DRQ Bit
1691 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1693 ulong delay = 10 * t; /* poll every 100 us */
1696 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1697 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1698 /* break if error occurs (doesn't make sense to wait more) */
1699 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1710 * issue an atapi command
1712 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1714 unsigned char c,err,mask,res;
1716 ide_led (DEVICE_LED(device), 1); /* LED on */
1720 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1722 #ifdef CONFIG_AMIGAONEG3SE
1723 # warning THF: Removed LBA mode ???
1725 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1726 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1727 if ((c & mask) != res) {
1728 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1732 /* write taskfile */
1733 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1734 ide_outb (device, ATA_SECT_CNT, 0);
1735 ide_outb (device, ATA_SECT_NUM, 0);
1736 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1737 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1738 #ifdef CONFIG_AMIGAONEG3SE
1739 # warning THF: Removed LBA mode ???
1741 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1743 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1746 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1748 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1750 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1751 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1756 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1757 /* ATAPI Command written wait for completition */
1758 udelay (5000); /* device must set bsy */
1760 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1761 /* if no data wait for DRQ = 0 BSY = 0
1762 * if data wait for DRQ = 1 BSY = 0 */
1766 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1767 if ((c & mask) != res ) {
1768 if (c & ATA_STAT_ERR) {
1769 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1770 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1772 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1777 n=ide_inb(device, ATA_CYL_HIGH);
1779 n+=ide_inb(device, ATA_CYL_LOW);
1781 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1785 if((n==0)&&(buflen<0)) {
1786 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1791 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1793 if(n!=0) { /* data transfer */
1794 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1795 /* we transfer shorts */
1797 /* ok now decide if it is an in or output */
1798 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1799 debug ("Write to device\n");
1800 output_data_shorts(device,(unsigned short *)buffer,n);
1802 debug ("Read from device @ %p shorts %d\n",buffer,n);
1803 input_data_shorts(device,(unsigned short *)buffer,n);
1806 udelay(5000); /* seems that some CD ROMs need this... */
1807 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1809 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1810 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1811 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1812 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1817 ide_led (DEVICE_LED(device), 0); /* LED off */
1822 * sending the command to atapi_issue. If an status other than good
1823 * returns, an request_sense will be issued
1826 #define ATAPI_DRIVE_NOT_READY 100
1827 #define ATAPI_UNIT_ATTN 10
1829 unsigned char atapi_issue_autoreq (int device,
1832 unsigned char *buffer,
1835 unsigned char sense_data[18],sense_ccb[12];
1836 unsigned char res,key,asc,ascq;
1837 int notready,unitattn;
1839 #ifdef CONFIG_AMIGAONEG3SE
1841 unsigned int timeout, retrycnt;
1843 s = getenv("ide_cd_timeout");
1844 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1849 unitattn=ATAPI_UNIT_ATTN;
1850 notready=ATAPI_DRIVE_NOT_READY;
1853 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1855 return (0); /* Ok */
1858 return (0xFF); /* error */
1860 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1862 memset(sense_ccb,0,sizeof(sense_ccb));
1863 memset(sense_data,0,sizeof(sense_data));
1864 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1865 sense_ccb[4]=18; /* allocation Length */
1867 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1868 key=(sense_data[2]&0xF);
1869 asc=(sense_data[12]);
1870 ascq=(sense_data[13]);
1872 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1873 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1880 return 0; /* ok device ready */
1882 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1887 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1890 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1895 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1899 debug ("Media not present\n");
1903 #ifdef CONFIG_AMIGAONEG3SE
1904 if ((sense_data[2]&0xF)==0x0B) {
1905 debug ("ABORTED COMMAND...retry\n");
1911 if ((sense_data[2]&0xf) == 0x02 &&
1912 sense_data[12] == 0x04 &&
1913 sense_data[13] == 0x01 ) {
1914 debug ("Waiting for unit to become active\n");
1920 #endif /* CONFIG_AMIGAONEG3SE */
1922 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1924 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1929 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1931 unsigned char ccb[12]; /* Command descriptor block */
1932 unsigned char iobuf[64]; /* temp buf */
1936 device=dev_desc->dev;
1937 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1938 dev_desc->block_read=atapi_read;
1940 memset(ccb,0,sizeof(ccb));
1941 memset(iobuf,0,sizeof(iobuf));
1943 ccb[0]=ATAPI_CMD_INQUIRY;
1944 ccb[4]=40; /* allocation Legnth */
1945 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1947 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1951 /* copy device ident strings */
1952 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1953 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1954 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1959 dev_desc->type=iobuf[0] & 0x1f;
1961 if ((iobuf[1]&0x80)==0x80)
1962 dev_desc->removable = 1;
1964 dev_desc->removable = 0;
1966 memset(ccb,0,sizeof(ccb));
1967 memset(iobuf,0,sizeof(iobuf));
1968 ccb[0]=ATAPI_CMD_START_STOP;
1969 ccb[4]=0x03; /* start */
1971 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1973 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1977 memset(ccb,0,sizeof(ccb));
1978 memset(iobuf,0,sizeof(iobuf));
1979 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1981 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1985 memset(ccb,0,sizeof(ccb));
1986 memset(iobuf,0,sizeof(iobuf));
1987 ccb[0]=ATAPI_CMD_READ_CAP;
1988 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1989 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1993 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1994 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1995 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1997 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1998 ((unsigned long)iobuf[1]<<16) +
1999 ((unsigned long)iobuf[2]<< 8) +
2000 ((unsigned long)iobuf[3]);
2001 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2002 ((unsigned long)iobuf[5]<<16) +
2003 ((unsigned long)iobuf[6]<< 8) +
2004 ((unsigned long)iobuf[7]);
2006 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2014 * we transfer only one block per command, since the multiple DRQ per
2015 * command is not yet implemented
2017 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2018 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2019 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2021 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2024 unsigned char ccb[12]; /* Command descriptor block */
2027 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2028 device, blknr, blkcnt, (ulong)buffer);
2031 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2032 cnt=ATAPI_READ_MAX_BLOCK;
2036 ccb[0]=ATAPI_CMD_READ_12;
2037 ccb[1]=0; /* reserved */
2038 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2039 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2040 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2041 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2042 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2043 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2044 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2045 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2046 ccb[10]=0; /* reserved */
2047 ccb[11]=0; /* reserved */
2049 if (atapi_issue_autoreq(device,ccb,12,
2050 (unsigned char *)buffer,
2051 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2057 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2058 } while (blkcnt > 0);
2062 /* ------------------------------------------------------------------------- */
2064 #endif /* CONFIG_ATAPI */
2068 "ide - IDE sub-system\n",
2069 "reset - reset IDE controller\n"
2070 "ide info - show available IDE devices\n"
2071 "ide device [dev] - show or set current device\n"
2072 "ide part [dev] - print partition table of one or all IDE devices\n"
2073 "ide read addr blk# cnt\n"
2074 "ide write addr blk# cnt - read/write `cnt'"
2075 " blocks starting at block `blk#'\n"
2076 " to/from memory address `addr'\n"
2080 diskboot, 3, 1, do_diskboot,
2081 "diskboot- boot from IDE device\n",
2082 "loadAddr dev:part\n"