2 * (C) Copyright 2000-2005
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>
55 #ifdef CONFIG_IDE_8xx_DIRECT
56 DECLARE_GLOBAL_DATA_PTR;
60 # define EIEIO __asm__ volatile ("eieio")
61 # define SYNC __asm__ volatile ("sync")
63 # define EIEIO /* nothing */
64 # define SYNC /* nothing */
67 #ifdef CONFIG_IDE_8xx_DIRECT
68 /* Timings for IDE Interface
70 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
71 * 70 165 30 PIO-Mode 0, [ns]
73 * 50 125 20 PIO-Mode 1, [ns]
75 * 30 100 15 PIO-Mode 2, [ns]
77 * 30 80 10 PIO-Mode 3, [ns]
79 * 25 70 10 PIO-Mode 4, [ns]
83 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
85 /* Setup Length Hold */
86 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
87 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
88 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
89 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
90 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
93 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
96 #define CFG_PIO_MODE 0 /* use a relaxed default */
98 static int pio_mode = CFG_PIO_MODE;
100 /* Make clock cycles and always round up */
102 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
104 #endif /* CONFIG_IDE_8xx_DIRECT */
106 /* ------------------------------------------------------------------------- */
108 /* Current I/O Device */
109 static int curr_device = -1;
111 /* Current offset for IDE0 / IDE1 bus access */
112 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
113 #if defined(CFG_ATA_IDE0_OFFSET)
116 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
122 #ifndef CONFIG_AMIGAONEG3SE
123 static int ide_bus_ok[CFG_IDE_MAXBUS];
125 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
128 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
129 /* ------------------------------------------------------------------------- */
131 #ifdef CONFIG_IDE_LED
132 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
133 static void ide_led (uchar led, uchar status);
135 extern void ide_led (uchar led, uchar status);
138 #ifndef CONFIG_AMIGAONEG3SE
139 #define ide_led(a,b) /* dummy */
141 extern void ide_led(uchar led, uchar status);
144 #define CONFIG_IDE_LED 1
145 #define DEVICE_LED(x) 1
149 #ifdef CONFIG_IDE_RESET
150 static void ide_reset (void);
152 #define ide_reset() /* dummy */
155 static void ide_ident (block_dev_desc_t *dev_desc);
156 static uchar ide_wait (int dev, ulong t);
158 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
160 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
162 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
164 void inline ide_outb(int dev, int port, unsigned char val);
165 unsigned char inline ide_inb(int dev, int port);
166 static void input_data(int dev, ulong *sect_buf, int words);
167 static void output_data(int dev, ulong *sect_buf, int words);
168 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
170 #ifndef CFG_ATA_PORT_ADDR
171 #define CFG_ATA_PORT_ADDR(port) (port)
175 static void atapi_inquiry(block_dev_desc_t *dev_desc);
176 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
180 #ifdef CONFIG_IDE_8xx_DIRECT
181 static void set_pcmcia_timing (int pmode);
184 /* ------------------------------------------------------------------------- */
186 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
193 printf ("Usage:\n%s\n", cmdtp->usage);
196 if (strncmp(argv[1],"res",3) == 0) {
198 #ifdef CONFIG_IDE_8xx_DIRECT
199 " on PCMCIA " PCMCIA_SLOT_MSG
205 } else if (strncmp(argv[1],"inf",3) == 0) {
210 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
211 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
212 continue; /* list only known devices */
213 printf ("IDE device %d: ", i);
214 dev_print(&ide_dev_desc[i]);
218 } else if (strncmp(argv[1],"dev",3) == 0) {
219 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
220 puts ("\nno IDE devices available\n");
223 printf ("\nIDE device %d: ", curr_device);
224 dev_print(&ide_dev_desc[curr_device]);
226 } else if (strncmp(argv[1],"part",4) == 0) {
229 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
230 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
234 print_part(&ide_dev_desc[dev]);
238 puts ("\nno IDE devices available\n");
243 printf ("Usage:\n%s\n", cmdtp->usage);
246 if (strncmp(argv[1],"dev",3) == 0) {
247 int dev = (int)simple_strtoul(argv[2], NULL, 10);
249 printf ("\nIDE device %d: ", dev);
250 if (dev >= CFG_IDE_MAXDEVICE) {
251 puts ("unknown device\n");
254 dev_print(&ide_dev_desc[dev]);
257 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
263 puts ("... is now current device\n");
266 } else if (strncmp(argv[1],"part",4) == 0) {
267 int dev = (int)simple_strtoul(argv[2], NULL, 10);
269 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
270 print_part(&ide_dev_desc[dev]);
272 printf ("\nIDE device %d not available\n", dev);
277 } else if (strncmp(argv[1],"pio",4) == 0) {
278 int mode = (int)simple_strtoul(argv[2], NULL, 10);
280 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
285 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
286 mode, IDE_MAX_PIO_MODE);
292 printf ("Usage:\n%s\n", cmdtp->usage);
295 /* at least 4 args */
297 if (strcmp(argv[1],"read") == 0) {
298 ulong addr = simple_strtoul(argv[2], NULL, 16);
299 ulong cnt = simple_strtoul(argv[4], NULL, 16);
301 #ifdef CFG_64BIT_STRTOUL
302 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
304 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
305 curr_device, blk, cnt);
307 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
309 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
310 curr_device, blk, cnt);
313 n = ide_dev_desc[curr_device].block_read (curr_device,
316 /* flush cache after read */
317 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
319 printf ("%ld blocks read: %s\n",
320 n, (n==cnt) ? "OK" : "ERROR");
326 } else if (strcmp(argv[1],"write") == 0) {
327 ulong addr = simple_strtoul(argv[2], NULL, 16);
328 ulong cnt = simple_strtoul(argv[4], NULL, 16);
330 #ifdef CFG_64BIT_STRTOUL
331 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
333 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
334 curr_device, blk, cnt);
336 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
338 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
339 curr_device, blk, cnt);
342 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
344 printf ("%ld blocks written: %s\n",
345 n, (n==cnt) ? "OK" : "ERROR");
352 printf ("Usage:\n%s\n", cmdtp->usage);
360 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
362 char *boot_device = NULL;
366 disk_partition_t info;
369 #if defined(CONFIG_FIT)
370 const void *fit_hdr = NULL;
373 show_boot_progress (41);
376 addr = CFG_LOAD_ADDR;
377 boot_device = getenv ("bootdevice");
380 addr = simple_strtoul(argv[1], NULL, 16);
381 boot_device = getenv ("bootdevice");
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = argv[2];
388 printf ("Usage:\n%s\n", cmdtp->usage);
389 show_boot_progress (-42);
392 show_boot_progress (42);
395 puts ("\n** No boot device **\n");
396 show_boot_progress (-43);
399 show_boot_progress (43);
401 dev = simple_strtoul(boot_device, &ep, 16);
403 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
404 printf ("\n** Device %d not available\n", dev);
405 show_boot_progress (-44);
408 show_boot_progress (44);
412 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
413 show_boot_progress (-45);
416 part = simple_strtoul(++ep, NULL, 16);
418 show_boot_progress (45);
419 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
420 show_boot_progress (-46);
423 show_boot_progress (46);
424 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
425 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
426 printf ("\n** Invalid partition type \"%.32s\""
427 " (expect \"" BOOT_PART_TYPE "\")\n",
429 show_boot_progress (-47);
432 show_boot_progress (47);
434 printf ("\nLoading from IDE device %d, partition %d: "
435 "Name: %.32s Type: %.32s\n",
436 dev, part, info.name, info.type);
438 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
439 info.start, info.size, info.blksz);
441 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
442 printf ("** Read error on %d:%d\n", dev, part);
443 show_boot_progress (-48);
446 show_boot_progress (48);
448 switch (genimg_get_format ((void *)addr)) {
449 case IMAGE_FORMAT_LEGACY:
450 hdr = (image_header_t *)addr;
452 show_boot_progress (49);
454 if (!image_check_hcrc (hdr)) {
455 puts ("\n** Bad Header Checksum **\n");
456 show_boot_progress (-50);
459 show_boot_progress (50);
461 image_print_contents (hdr);
463 cnt = image_get_image_size (hdr);
465 #if defined(CONFIG_FIT)
466 case IMAGE_FORMAT_FIT:
467 fit_hdr = (const void *)addr;
468 puts ("Fit image detected...\n");
470 cnt = fit_get_size (fit_hdr);
474 show_boot_progress (-49);
475 puts ("** Unknown image type\n");
479 cnt += info.blksz - 1;
483 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
484 (ulong *)(addr+info.blksz)) != cnt) {
485 printf ("** Read error on %d:%d\n", dev, part);
486 show_boot_progress (-51);
489 show_boot_progress (51);
491 #if defined(CONFIG_FIT)
492 /* This cannot be done earlier, we need complete FIT image in RAM first */
493 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
494 if (!fit_check_format (fit_hdr)) {
495 show_boot_progress (-140);
496 puts ("** Bad FIT image format\n");
499 show_boot_progress (141);
500 fit_print_contents (fit_hdr);
504 /* Loading ok, update default load address */
508 /* Check if we should attempt an auto-start */
509 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
511 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
513 local_args[0] = argv[0];
514 local_args[1] = NULL;
516 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
518 do_bootm (cmdtp, 0, 1, local_args);
524 /* ------------------------------------------------------------------------- */
529 #ifdef CONFIG_IDE_8xx_DIRECT
530 volatile immap_t *immr = (immap_t *)CFG_IMMR;
531 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
535 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
536 unsigned int ata_reset_time = ATA_RESET_TIME;
539 #ifdef CONFIG_AMIGAONEG3SE
540 unsigned int max_bus_scan;
542 #ifdef CONFIG_IDE_8xx_PCCARD
543 extern int pcmcia_on (void);
544 extern int ide_devices_found; /* Initialized in check_ide_device() */
545 #endif /* CONFIG_IDE_8xx_PCCARD */
547 #ifdef CONFIG_IDE_PREINIT
548 extern int ide_preinit (void);
551 if (ide_preinit ()) {
552 puts ("ide_preinit failed\n");
555 #endif /* CONFIG_IDE_PREINIT */
557 #ifdef CONFIG_IDE_8xx_PCCARD
558 extern int pcmcia_on (void);
559 extern int ide_devices_found; /* Initialized in check_ide_device() */
563 ide_devices_found = 0;
564 /* initialize the PCMCIA IDE adapter card */
566 if (!ide_devices_found)
568 udelay (1000000); /* 1 s */
569 #endif /* CONFIG_IDE_8xx_PCCARD */
573 #ifdef CONFIG_IDE_8xx_DIRECT
574 /* Initialize PIO timing tables */
575 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
576 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
578 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
580 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
582 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
584 " hold=%2d ns/%d clk\n",
586 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
587 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
588 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
590 #endif /* CONFIG_IDE_8xx_DIRECT */
592 /* Reset the IDE just to be sure.
593 * Light LED's to show
595 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
596 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
598 #ifdef CONFIG_IDE_8xx_DIRECT
599 /* PCMCIA / IDE initialization for common mem space */
600 pcmp->pcmc_pgcrb = 0;
602 /* start in PIO mode 0 - most relaxed timings */
604 set_pcmcia_timing (pio_mode);
605 #endif /* CONFIG_IDE_8xx_DIRECT */
608 * Wait for IDE to get ready.
609 * According to spec, this can take up to 31 seconds!
611 #ifndef CONFIG_AMIGAONEG3SE
612 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
613 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
615 s = getenv("ide_maxbus");
617 max_bus_scan = simple_strtol(s, NULL, 10);
619 max_bus_scan = CFG_IDE_MAXBUS;
621 for (bus=0; bus<max_bus_scan; ++bus) {
622 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
625 #ifdef CONFIG_IDE_8xx_PCCARD
626 /* Skip non-ide devices from probing */
627 if ((ide_devices_found & (1 << bus)) == 0) {
628 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
632 printf ("Bus %d: ", bus);
638 udelay (100000); /* 100 ms */
639 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
640 udelay (100000); /* 100 ms */
641 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
642 if ((s = getenv("ide_reset_timeout")) != NULL)
643 ata_reset_time = simple_strtol(s, NULL, 10);
647 udelay (10000); /* 10 ms */
649 c = ide_inb (dev, ATA_STATUS);
651 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
652 if (i > (ata_reset_time * 100)) {
654 if (i > (ATA_RESET_TIME * 100)) {
656 puts ("** Timeout **\n");
657 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
658 #ifdef CONFIG_AMIGAONEG3SE
659 /* If this is the second bus, the first one was OK */
667 if ((i >= 100) && ((i%100)==0)) {
670 } while (c & ATA_STAT_BUSY);
672 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
673 puts ("not available ");
674 debug ("Status = 0x%02X ", c);
675 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
676 } else if ((c & ATA_STAT_READY) == 0) {
677 puts ("not available ");
678 debug ("Status = 0x%02X ", c);
687 #ifdef CONFIG_AMIGAONEG3SE
692 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
695 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
696 #ifdef CONFIG_IDE_LED
697 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
699 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
700 ide_dev_desc[i].if_type=IF_TYPE_IDE;
701 ide_dev_desc[i].dev=i;
702 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
703 ide_dev_desc[i].blksz=0;
704 ide_dev_desc[i].lba=0;
705 ide_dev_desc[i].block_read=ide_read;
706 if (!ide_bus_ok[IDE_BUS(i)])
708 ide_led (led, 1); /* LED on */
709 ide_ident(&ide_dev_desc[i]);
710 ide_led (led, 0); /* LED off */
711 dev_print(&ide_dev_desc[i]);
713 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
714 init_part (&ide_dev_desc[i]); /* initialize partition type */
722 /* ------------------------------------------------------------------------- */
724 block_dev_desc_t * ide_get_dev(int dev)
726 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
730 #ifdef CONFIG_IDE_8xx_DIRECT
733 set_pcmcia_timing (int pmode)
735 volatile immap_t *immr = (immap_t *)CFG_IMMR;
736 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
739 debug ("Set timing for PIO Mode %d\n", pmode);
741 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
742 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
743 | PCMCIA_SL (pio_config_clk[pmode].t_length)
748 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
749 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
750 #if (CFG_PCMCIA_POR0 != 0)
754 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
756 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
757 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
758 #if (CFG_PCMCIA_POR1 != 0)
762 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
764 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
765 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
766 #if (CFG_PCMCIA_POR2 != 0)
770 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
772 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
773 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
774 #if (CFG_PCMCIA_POR3 != 0)
778 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
782 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
783 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
784 #if (CFG_PCMCIA_POR4 != 0)
788 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
790 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
791 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
792 #if (CFG_PCMCIA_POR5 != 0)
796 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
798 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
799 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
800 #if (CFG_PCMCIA_POR6 != 0)
804 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
806 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
807 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
808 #if (CFG_PCMCIA_POR7 != 0)
812 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
816 #endif /* CONFIG_IDE_8xx_DIRECT */
818 /* ------------------------------------------------------------------------- */
821 __ide_outb(int dev, int port, unsigned char val)
823 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
824 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
825 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
827 void inline ide_outb (int dev, int port, unsigned char val)
828 __attribute__((weak, alias("__ide_outb")));
831 __ide_inb(int dev, int port)
834 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
835 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
836 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
839 unsigned char inline ide_inb(int dev, int port)
840 __attribute__((weak, alias("__ide_inb")));
843 # ifdef CONFIG_AMIGAONEG3SE
845 output_data_short(int dev, ulong *sect_buf, int words)
848 volatile ushort *pbuf;
850 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
851 dbuf = (ushort *)sect_buf;
861 # endif /* CONFIG_AMIGAONEG3SE */
864 /* We only need to swap data if we are running on a big endian cpu. */
865 /* But Au1x00 cpu:s already swaps data in big endian mode! */
866 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
867 #define input_swap_data(x,y,z) input_data(x,y,z)
870 input_swap_data(int dev, ulong *sect_buf, int words)
872 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
874 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
875 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
876 ushort *dbuf = (ushort *)sect_buf;
879 for (i=0; i<2; i++) {
880 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
881 *(uchar *)dbuf = *pbuf_odd;
886 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
887 ushort *dbuf = (ushort *)sect_buf;
889 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
893 *dbuf++ = swab16p((u16*)pbuf);
894 *dbuf++ = swab16p((u16*)pbuf);
895 #elif defined(CONFIG_PCS440EP)
899 *dbuf++ = ld_le16(pbuf);
900 *dbuf++ = ld_le16(pbuf);
905 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
908 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
910 output_data(int dev, ulong *sect_buf, int words)
912 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
914 volatile uchar *pbuf_even;
915 volatile uchar *pbuf_odd;
917 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
918 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
919 dbuf = (uchar *)sect_buf;
922 *pbuf_even = *dbuf++;
926 *pbuf_even = *dbuf++;
932 volatile ushort *pbuf;
934 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
935 dbuf = (ushort *)sect_buf;
937 #if defined(CONFIG_PCS440EP)
938 /* not tested, because CF was write protected */
940 *pbuf = ld_le16(dbuf++);
942 *pbuf = ld_le16(dbuf++);
952 #else /* ! __PPC__ */
954 output_data(int dev, ulong *sect_buf, int words)
956 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
960 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
962 input_data(int dev, ulong *sect_buf, int words)
964 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
966 volatile uchar *pbuf_even;
967 volatile uchar *pbuf_odd;
969 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
970 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
971 dbuf = (uchar *)sect_buf;
973 *dbuf++ = *pbuf_even;
979 *dbuf++ = *pbuf_even;
988 volatile ushort *pbuf;
990 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
991 dbuf = (ushort *)sect_buf;
993 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
996 #if defined(CONFIG_PCS440EP)
998 *dbuf++ = ld_le16(pbuf);
1000 *dbuf++ = ld_le16(pbuf);
1010 #else /* ! __PPC__ */
1012 input_data(int dev, ulong *sect_buf, int words)
1014 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1017 #endif /* __PPC__ */
1019 #ifdef CONFIG_AMIGAONEG3SE
1021 input_data_short(int dev, ulong *sect_buf, int words)
1024 volatile ushort *pbuf;
1026 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1027 dbuf = (ushort *)sect_buf;
1041 /* -------------------------------------------------------------------------
1043 static void ide_ident (block_dev_desc_t *dev_desc)
1045 ulong iobuf[ATA_SECTORWORDS];
1047 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1049 #ifdef CONFIG_AMIGAONEG3SE
1059 int mode, cycle_time;
1062 device=dev_desc->dev;
1063 printf (" Device %d: ", device);
1065 #ifdef CONFIG_AMIGAONEG3SE
1066 s = getenv("ide_maxbus");
1068 max_bus_scan = simple_strtol(s, NULL, 10);
1070 max_bus_scan = CFG_IDE_MAXBUS;
1072 if (device >= max_bus_scan*2) {
1073 dev_desc->type=DEV_TYPE_UNKNOWN;
1078 ide_led (DEVICE_LED(device), 1); /* LED on */
1081 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1082 dev_desc->if_type=IF_TYPE_IDE;
1088 /* Warning: This will be tricky to read */
1089 while (retries <= 1) {
1090 /* check signature */
1091 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1092 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1093 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1094 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1095 /* ATAPI Signature found */
1096 dev_desc->if_type=IF_TYPE_ATAPI;
1097 /* Start Ident Command
1099 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1101 * Wait for completion - ATAPI devices need more time
1104 c = ide_wait (device, ATAPI_TIME_OUT);
1108 /* Start Ident Command
1110 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1112 /* Wait for completion
1114 c = ide_wait (device, IDE_TIME_OUT);
1116 ide_led (DEVICE_LED(device), 0); /* LED off */
1118 if (((c & ATA_STAT_DRQ) == 0) ||
1119 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1121 #ifdef CONFIG_AMIGAONEG3SE
1122 s = getenv("ide_doreset");
1123 if (s && strcmp(s, "on") == 0)
1126 /* Need to soft reset the device in case it's an ATAPI... */
1127 debug ("Retrying...\n");
1128 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1130 ide_outb (device, ATA_COMMAND, 0x08);
1131 udelay (500000); /* 500 ms */
1135 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1144 } /* see above - ugly to read */
1146 if (retries == 2) /* Not found */
1150 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1152 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1153 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1154 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1155 #ifdef __LITTLE_ENDIAN
1157 * firmware revision and model number have Big Endian Byte
1158 * order in Word. Convert both to little endian.
1160 * See CF+ and CompactFlash Specification Revision 2.0:
1161 * 6.2.1.6: Identfy Drive, Table 39 for more details
1164 strswab (dev_desc->revision);
1165 strswab (dev_desc->vendor);
1166 #endif /* __LITTLE_ENDIAN */
1168 if ((iop->config & 0x0080)==0x0080)
1169 dev_desc->removable = 1;
1171 dev_desc->removable = 0;
1175 * Drive PIO mode autoselection
1179 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1180 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1182 debug ("Override tPIO -> 2\n");
1184 if (iop->field_valid & 2) { /* drive implements ATA2? */
1185 debug ("Drive implements ATA2\n");
1186 if (iop->capability & 8) { /* drive supports use_iordy? */
1187 cycle_time = iop->eide_pio_iordy;
1189 cycle_time = iop->eide_pio;
1191 debug ("cycle time = %d\n", cycle_time);
1193 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1194 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1195 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1196 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1198 printf ("PIO mode to use: PIO %d\n", mode);
1202 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1203 atapi_inquiry(dev_desc);
1206 #endif /* CONFIG_ATAPI */
1210 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1211 #else /* ! __BIG_ENDIAN */
1213 * do not swap shorts on little endian
1215 * See CF+ and CompactFlash Specification Revision 2.0:
1216 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1218 dev_desc->lba = iop->lba_capacity;
1219 #endif /* __BIG_ENDIAN */
1222 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1223 dev_desc->lba48 = 1;
1224 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1225 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1226 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1227 ((unsigned long long)iop->lba48_capacity[3] << 48);
1229 dev_desc->lba48 = 0;
1231 #endif /* CONFIG_LBA48 */
1233 dev_desc->type=DEV_TYPE_HARDDISK;
1234 dev_desc->blksz=ATA_BLOCKSIZE;
1235 dev_desc->lun=0; /* just to fill something in... */
1237 #if 0 /* only used to test the powersaving mode,
1238 * if enabled, the drive goes after 5 sec
1239 * in standby mode */
1240 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1241 c = ide_wait (device, IDE_TIME_OUT);
1242 ide_outb (device, ATA_SECT_CNT, 1);
1243 ide_outb (device, ATA_LBA_LOW, 0);
1244 ide_outb (device, ATA_LBA_MID, 0);
1245 ide_outb (device, ATA_LBA_HIGH, 0);
1246 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1247 ide_outb (device, ATA_COMMAND, 0xe3);
1249 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1254 /* ------------------------------------------------------------------------- */
1256 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1260 unsigned char pwrsave=0; /* power save */
1262 unsigned char lba48 = 0;
1264 if (blknr & 0x0000fffff0000000ULL) {
1265 /* more than 28 bits used, use 48bit mode */
1269 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1270 device, blknr, blkcnt, (ulong)buffer);
1272 ide_led (DEVICE_LED(device), 1); /* LED on */
1276 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1277 c = ide_wait (device, IDE_TIME_OUT);
1279 if (c & ATA_STAT_BUSY) {
1280 printf ("IDE read: device %d not ready\n", device);
1284 /* first check if the drive is in Powersaving mode, if yes,
1285 * increase the timeout value */
1286 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1289 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1291 if (c & ATA_STAT_BUSY) {
1292 printf ("IDE read: device %d not ready\n", device);
1295 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1296 printf ("No Powersaving mode %X\n", c);
1298 c = ide_inb(device,ATA_SECT_CNT);
1299 debug ("Powersaving %02X\n",c);
1305 while (blkcnt-- > 0) {
1307 c = ide_wait (device, IDE_TIME_OUT);
1309 if (c & ATA_STAT_BUSY) {
1310 printf ("IDE read: device %d not ready\n", device);
1315 /* write high bits */
1316 ide_outb (device, ATA_SECT_CNT, 0);
1317 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1318 #ifdef CFG_64BIT_LBA
1319 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1320 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1322 ide_outb (device, ATA_LBA_MID, 0);
1323 ide_outb (device, ATA_LBA_HIGH, 0);
1327 ide_outb (device, ATA_SECT_CNT, 1);
1328 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1329 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1330 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1334 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1335 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1340 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1341 ATA_DEVICE(device) |
1342 ((blknr >> 24) & 0xF) );
1343 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1349 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1352 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1355 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1356 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1357 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1360 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1361 device, (ulong)blknr, c);
1366 input_data (device, buffer, ATA_SECTORWORDS);
1367 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1371 buffer += ATA_BLOCKSIZE;
1374 ide_led (DEVICE_LED(device), 0); /* LED off */
1378 /* ------------------------------------------------------------------------- */
1381 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1386 unsigned char lba48 = 0;
1388 if (blknr & 0x0000fffff0000000ULL) {
1389 /* more than 28 bits used, use 48bit mode */
1394 ide_led (DEVICE_LED(device), 1); /* LED on */
1398 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1400 while (blkcnt-- > 0) {
1402 c = ide_wait (device, IDE_TIME_OUT);
1404 if (c & ATA_STAT_BUSY) {
1405 printf ("IDE read: device %d not ready\n", device);
1410 /* write high bits */
1411 ide_outb (device, ATA_SECT_CNT, 0);
1412 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1413 #ifdef CFG_64BIT_LBA
1414 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1415 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1417 ide_outb (device, ATA_LBA_MID, 0);
1418 ide_outb (device, ATA_LBA_HIGH, 0);
1422 ide_outb (device, ATA_SECT_CNT, 1);
1423 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1424 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1425 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1429 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1430 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1435 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1436 ATA_DEVICE(device) |
1437 ((blknr >> 24) & 0xF) );
1438 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1443 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1445 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1446 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1447 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1450 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1451 device, (ulong)blknr, c);
1456 output_data (device, buffer, ATA_SECTORWORDS);
1457 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1460 buffer += ATA_BLOCKSIZE;
1463 ide_led (DEVICE_LED(device), 0); /* LED off */
1467 /* ------------------------------------------------------------------------- */
1470 * copy src to dest, skipping leading and trailing blanks and null
1471 * terminate the string
1472 * "len" is the size of available memory including the terminating '\0'
1474 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1476 unsigned char *end, *last;
1479 end = src + len - 1;
1481 /* reserve space for '\0' */
1485 /* skip leading white space */
1486 while ((*src) && (src<end) && (*src==' '))
1489 /* copy string, omitting trailing white space */
1490 while ((*src) && (src<end)) {
1499 /* ------------------------------------------------------------------------- */
1502 * Wait until Busy bit is off, or timeout (in ms)
1503 * Return last status
1505 static uchar ide_wait (int dev, ulong t)
1507 ulong delay = 10 * t; /* poll every 100 us */
1510 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1519 /* ------------------------------------------------------------------------- */
1521 #ifdef CONFIG_IDE_RESET
1522 extern void ide_set_reset(int idereset);
1524 static void ide_reset (void)
1526 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1527 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1532 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1534 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1535 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1537 ide_set_reset (1); /* assert reset */
1539 /* the reset signal shall be asserted for et least 25 us */
1544 #ifdef CFG_PB_12V_ENABLE
1545 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1546 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1547 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1548 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1550 /* wait 500 ms for the voltage to stabilize
1552 for (i=0; i<500; ++i) {
1556 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1557 #endif /* CFG_PB_12V_ENABLE */
1559 #ifdef CFG_PB_IDE_MOTOR
1560 /* configure IDE Motor voltage monitor pin as input */
1561 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1562 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1563 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1565 /* wait up to 1 s for the motor voltage to stabilize
1567 for (i=0; i<1000; ++i) {
1568 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1574 if (i == 1000) { /* Timeout */
1575 printf ("\nWarning: 5V for IDE Motor missing\n");
1576 # ifdef CONFIG_STATUS_LED
1577 # ifdef STATUS_LED_YELLOW
1578 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1580 # ifdef STATUS_LED_GREEN
1581 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1583 # endif /* CONFIG_STATUS_LED */
1585 #endif /* CFG_PB_IDE_MOTOR */
1589 /* de-assert RESET signal */
1593 for (i=0; i<250; ++i) {
1598 #endif /* CONFIG_IDE_RESET */
1600 /* ------------------------------------------------------------------------- */
1602 #if defined(CONFIG_IDE_LED) && \
1603 !defined(CONFIG_AMIGAONEG3SE)&& \
1604 !defined(CONFIG_CPC45) && \
1605 !defined(CONFIG_HMI10) && \
1606 !defined(CONFIG_KUP4K) && \
1607 !defined(CONFIG_KUP4X)
1609 static uchar led_buffer = 0; /* Buffer for current LED status */
1611 static void ide_led (uchar led, uchar status)
1613 uchar *led_port = LED_PORT;
1615 if (status) { /* switch LED on */
1617 } else { /* switch LED off */
1621 *led_port = led_buffer;
1624 #endif /* CONFIG_IDE_LED */
1626 /* ------------------------------------------------------------------------- */
1629 /****************************************************************************
1633 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1634 /* since ATAPI may use commands with not 4 bytes alligned length
1635 * we have our own transfer functions, 2 bytes alligned */
1637 output_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 *pbuf_even = *dbuf++;
1650 *pbuf_odd = *dbuf++;
1654 volatile ushort *pbuf;
1656 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1657 dbuf = (ushort *)sect_buf;
1659 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1669 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1671 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1673 volatile uchar *pbuf_even;
1674 volatile uchar *pbuf_odd;
1676 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1677 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1680 *dbuf++ = *pbuf_even;
1682 *dbuf++ = *pbuf_odd;
1686 volatile ushort *pbuf;
1688 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1689 dbuf = (ushort *)sect_buf;
1691 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1700 #else /* ! __PPC__ */
1702 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1704 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1708 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1710 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1713 #endif /* __PPC__ */
1716 * Wait until (Status & mask) == res, or timeout (in ms)
1717 * Return last status
1718 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1719 * and then they set their DRQ Bit
1721 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1723 ulong delay = 10 * t; /* poll every 100 us */
1726 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1727 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1728 /* break if error occurs (doesn't make sense to wait more) */
1729 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1740 * issue an atapi command
1742 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1744 unsigned char c,err,mask,res;
1746 ide_led (DEVICE_LED(device), 1); /* LED on */
1750 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1752 #ifdef CONFIG_AMIGAONEG3SE
1753 # warning THF: Removed LBA mode ???
1755 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1756 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1757 if ((c & mask) != res) {
1758 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1762 /* write taskfile */
1763 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1764 ide_outb (device, ATA_SECT_CNT, 0);
1765 ide_outb (device, ATA_SECT_NUM, 0);
1766 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1767 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1768 #ifdef CONFIG_AMIGAONEG3SE
1769 # warning THF: Removed LBA mode ???
1771 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1773 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1776 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1778 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1780 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1781 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1786 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1787 /* ATAPI Command written wait for completition */
1788 udelay (5000); /* device must set bsy */
1790 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1791 /* if no data wait for DRQ = 0 BSY = 0
1792 * if data wait for DRQ = 1 BSY = 0 */
1796 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1797 if ((c & mask) != res ) {
1798 if (c & ATA_STAT_ERR) {
1799 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1800 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1802 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1807 n=ide_inb(device, ATA_CYL_HIGH);
1809 n+=ide_inb(device, ATA_CYL_LOW);
1811 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1815 if((n==0)&&(buflen<0)) {
1816 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1821 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1823 if(n!=0) { /* data transfer */
1824 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1825 /* we transfer shorts */
1827 /* ok now decide if it is an in or output */
1828 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1829 debug ("Write to device\n");
1830 output_data_shorts(device,(unsigned short *)buffer,n);
1832 debug ("Read from device @ %p shorts %d\n",buffer,n);
1833 input_data_shorts(device,(unsigned short *)buffer,n);
1836 udelay(5000); /* seems that some CD ROMs need this... */
1837 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1839 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1840 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1841 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1842 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1847 ide_led (DEVICE_LED(device), 0); /* LED off */
1852 * sending the command to atapi_issue. If an status other than good
1853 * returns, an request_sense will be issued
1856 #define ATAPI_DRIVE_NOT_READY 100
1857 #define ATAPI_UNIT_ATTN 10
1859 unsigned char atapi_issue_autoreq (int device,
1862 unsigned char *buffer,
1865 unsigned char sense_data[18],sense_ccb[12];
1866 unsigned char res,key,asc,ascq;
1867 int notready,unitattn;
1869 #ifdef CONFIG_AMIGAONEG3SE
1871 unsigned int timeout, retrycnt;
1873 s = getenv("ide_cd_timeout");
1874 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1879 unitattn=ATAPI_UNIT_ATTN;
1880 notready=ATAPI_DRIVE_NOT_READY;
1883 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1885 return (0); /* Ok */
1888 return (0xFF); /* error */
1890 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1892 memset(sense_ccb,0,sizeof(sense_ccb));
1893 memset(sense_data,0,sizeof(sense_data));
1894 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1895 sense_ccb[4]=18; /* allocation Length */
1897 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1898 key=(sense_data[2]&0xF);
1899 asc=(sense_data[12]);
1900 ascq=(sense_data[13]);
1902 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1903 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1910 return 0; /* ok device ready */
1912 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1917 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1920 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1925 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1929 debug ("Media not present\n");
1933 #ifdef CONFIG_AMIGAONEG3SE
1934 if ((sense_data[2]&0xF)==0x0B) {
1935 debug ("ABORTED COMMAND...retry\n");
1941 if ((sense_data[2]&0xf) == 0x02 &&
1942 sense_data[12] == 0x04 &&
1943 sense_data[13] == 0x01 ) {
1944 debug ("Waiting for unit to become active\n");
1950 #endif /* CONFIG_AMIGAONEG3SE */
1952 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1954 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1959 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1961 unsigned char ccb[12]; /* Command descriptor block */
1962 unsigned char iobuf[64]; /* temp buf */
1966 device=dev_desc->dev;
1967 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1968 dev_desc->block_read=atapi_read;
1970 memset(ccb,0,sizeof(ccb));
1971 memset(iobuf,0,sizeof(iobuf));
1973 ccb[0]=ATAPI_CMD_INQUIRY;
1974 ccb[4]=40; /* allocation Legnth */
1975 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1977 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1981 /* copy device ident strings */
1982 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1983 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1984 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1989 dev_desc->type=iobuf[0] & 0x1f;
1991 if ((iobuf[1]&0x80)==0x80)
1992 dev_desc->removable = 1;
1994 dev_desc->removable = 0;
1996 memset(ccb,0,sizeof(ccb));
1997 memset(iobuf,0,sizeof(iobuf));
1998 ccb[0]=ATAPI_CMD_START_STOP;
1999 ccb[4]=0x03; /* start */
2001 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2003 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
2007 memset(ccb,0,sizeof(ccb));
2008 memset(iobuf,0,sizeof(iobuf));
2009 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
2011 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2015 memset(ccb,0,sizeof(ccb));
2016 memset(iobuf,0,sizeof(iobuf));
2017 ccb[0]=ATAPI_CMD_READ_CAP;
2018 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2019 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2023 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2024 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2025 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2027 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2028 ((unsigned long)iobuf[1]<<16) +
2029 ((unsigned long)iobuf[2]<< 8) +
2030 ((unsigned long)iobuf[3]);
2031 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2032 ((unsigned long)iobuf[5]<<16) +
2033 ((unsigned long)iobuf[6]<< 8) +
2034 ((unsigned long)iobuf[7]);
2036 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2044 * we transfer only one block per command, since the multiple DRQ per
2045 * command is not yet implemented
2047 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2048 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2049 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2051 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2054 unsigned char ccb[12]; /* Command descriptor block */
2057 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2058 device, blknr, blkcnt, (ulong)buffer);
2061 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2062 cnt=ATAPI_READ_MAX_BLOCK;
2066 ccb[0]=ATAPI_CMD_READ_12;
2067 ccb[1]=0; /* reserved */
2068 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2069 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2070 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2071 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2072 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2073 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2074 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2075 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2076 ccb[10]=0; /* reserved */
2077 ccb[11]=0; /* reserved */
2079 if (atapi_issue_autoreq(device,ccb,12,
2080 (unsigned char *)buffer,
2081 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2087 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2088 } while (blkcnt > 0);
2092 /* ------------------------------------------------------------------------- */
2094 #endif /* CONFIG_ATAPI */
2098 "ide - IDE sub-system\n",
2099 "reset - reset IDE controller\n"
2100 "ide info - show available IDE devices\n"
2101 "ide device [dev] - show or set current device\n"
2102 "ide part [dev] - print partition table of one or all IDE devices\n"
2103 "ide read addr blk# cnt\n"
2104 "ide write addr blk# cnt - read/write `cnt'"
2105 " blocks starting at block `blk#'\n"
2106 " to/from memory address `addr'\n"
2110 diskboot, 3, 1, do_diskboot,
2111 "diskboot- boot from IDE device\n",
2112 "loadAddr dev:part\n"