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,
34 #include <asm/byteorder.h>
37 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
50 #include <asm/arch/orion5x.h>
51 #elif defined CONFIG_KIRKWOOD
52 #include <asm/arch/kirkwood.h>
58 #ifdef CONFIG_STATUS_LED
59 # include <status_led.h>
62 #ifdef CONFIG_IDE_8xx_DIRECT
63 DECLARE_GLOBAL_DATA_PTR;
67 # define EIEIO __asm__ volatile ("eieio")
68 # define SYNC __asm__ volatile ("sync")
70 # define EIEIO /* nothing */
71 # define SYNC /* nothing */
74 #ifdef CONFIG_IDE_8xx_DIRECT
75 /* Timings for IDE Interface
77 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
78 * 70 165 30 PIO-Mode 0, [ns]
80 * 50 125 20 PIO-Mode 1, [ns]
82 * 30 100 15 PIO-Mode 2, [ns]
84 * 30 80 10 PIO-Mode 3, [ns]
86 * 25 70 10 PIO-Mode 4, [ns]
90 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
92 /* Setup Length Hold */
93 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
94 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
95 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
96 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
97 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
100 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
102 #ifndef CONFIG_SYS_PIO_MODE
103 #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
105 static int pio_mode = CONFIG_SYS_PIO_MODE;
107 /* Make clock cycles and always round up */
109 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
111 #endif /* CONFIG_IDE_8xx_DIRECT */
113 /* ------------------------------------------------------------------------- */
115 /* Current I/O Device */
116 static int curr_device = -1;
118 /* Current offset for IDE0 / IDE1 bus access */
119 ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
120 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
121 CONFIG_SYS_ATA_IDE0_OFFSET,
123 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
124 CONFIG_SYS_ATA_IDE1_OFFSET,
129 static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
131 block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
132 /* ------------------------------------------------------------------------- */
134 #ifdef CONFIG_IDE_LED
135 # if !defined(CONFIG_BMS2003) && \
136 !defined(CONFIG_CPC45) && \
137 !defined(CONFIG_KUP4K) && \
138 !defined(CONFIG_KUP4X)
139 static void ide_led (uchar led, uchar status);
141 extern void ide_led (uchar led, uchar status);
144 #define ide_led(a,b) /* dummy */
147 #ifdef CONFIG_IDE_RESET
148 static void ide_reset (void);
150 #define ide_reset() /* dummy */
153 static void ide_ident (block_dev_desc_t *dev_desc);
154 static uchar ide_wait (int dev, ulong t);
156 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
158 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
160 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
162 static void input_data(int dev, ulong *sect_buf, int words);
163 static void output_data(int dev, const ulong *sect_buf, int words);
164 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
166 #ifndef CONFIG_SYS_ATA_PORT_ADDR
167 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
171 static void atapi_inquiry(block_dev_desc_t *dev_desc);
172 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
176 #ifdef CONFIG_IDE_8xx_DIRECT
177 static void set_pcmcia_timing (int pmode);
180 /* ------------------------------------------------------------------------- */
182 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
189 return cmd_usage(cmdtp);
191 if (strncmp(argv[1],"res",3) == 0) {
193 #ifdef CONFIG_IDE_8xx_DIRECT
194 " on PCMCIA " PCMCIA_SLOT_MSG
200 } else if (strncmp(argv[1],"inf",3) == 0) {
205 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
206 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
207 continue; /* list only known devices */
208 printf ("IDE device %d: ", i);
209 dev_print(&ide_dev_desc[i]);
213 } else if (strncmp(argv[1],"dev",3) == 0) {
214 if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
215 puts ("\nno IDE devices available\n");
218 printf ("\nIDE device %d: ", curr_device);
219 dev_print(&ide_dev_desc[curr_device]);
221 } else if (strncmp(argv[1],"part",4) == 0) {
224 for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) {
225 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
229 print_part(&ide_dev_desc[dev]);
233 puts ("\nno IDE devices available\n");
238 return cmd_usage(cmdtp);
240 if (strncmp(argv[1],"dev",3) == 0) {
241 int dev = (int)simple_strtoul(argv[2], NULL, 10);
243 printf ("\nIDE device %d: ", dev);
244 if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
245 puts ("unknown device\n");
248 dev_print(&ide_dev_desc[dev]);
251 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
257 puts ("... is now current device\n");
260 } else if (strncmp(argv[1],"part",4) == 0) {
261 int dev = (int)simple_strtoul(argv[2], NULL, 10);
263 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
264 print_part(&ide_dev_desc[dev]);
266 printf ("\nIDE device %d not available\n", dev);
271 } else if (strncmp(argv[1],"pio",4) == 0) {
272 int mode = (int)simple_strtoul(argv[2], NULL, 10);
274 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
279 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
280 mode, IDE_MAX_PIO_MODE);
286 return cmd_usage(cmdtp);
288 /* at least 4 args */
290 if (strcmp(argv[1],"read") == 0) {
291 ulong addr = simple_strtoul(argv[2], NULL, 16);
292 ulong cnt = simple_strtoul(argv[4], NULL, 16);
294 #ifdef CONFIG_SYS_64BIT_LBA
295 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
297 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
298 curr_device, blk, cnt);
300 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
302 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
303 curr_device, blk, cnt);
306 n = ide_dev_desc[curr_device].block_read (curr_device,
309 /* flush cache after read */
310 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
312 printf ("%ld blocks read: %s\n",
313 n, (n==cnt) ? "OK" : "ERROR");
319 } else if (strcmp(argv[1],"write") == 0) {
320 ulong addr = simple_strtoul(argv[2], NULL, 16);
321 ulong cnt = simple_strtoul(argv[4], NULL, 16);
323 #ifdef CONFIG_SYS_64BIT_LBA
324 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
326 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
327 curr_device, blk, cnt);
329 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
331 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
332 curr_device, blk, cnt);
335 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
337 printf ("%ld blocks written: %s\n",
338 n, (n==cnt) ? "OK" : "ERROR");
344 return cmd_usage(cmdtp);
351 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
353 char *boot_device = NULL;
357 disk_partition_t info;
360 #if defined(CONFIG_FIT)
361 const void *fit_hdr = NULL;
364 show_boot_progress (41);
367 addr = CONFIG_SYS_LOAD_ADDR;
368 boot_device = getenv ("bootdevice");
371 addr = simple_strtoul(argv[1], NULL, 16);
372 boot_device = getenv ("bootdevice");
375 addr = simple_strtoul(argv[1], NULL, 16);
376 boot_device = argv[2];
379 show_boot_progress (-42);
380 return cmd_usage(cmdtp);
382 show_boot_progress (42);
385 puts ("\n** No boot device **\n");
386 show_boot_progress (-43);
389 show_boot_progress (43);
391 dev = simple_strtoul(boot_device, &ep, 16);
393 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
394 printf ("\n** Device %d not available\n", dev);
395 show_boot_progress (-44);
398 show_boot_progress (44);
402 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
403 show_boot_progress (-45);
406 part = simple_strtoul(++ep, NULL, 16);
408 show_boot_progress (45);
409 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
410 show_boot_progress (-46);
413 show_boot_progress (46);
414 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
415 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
416 printf ("\n** Invalid partition type \"%.32s\""
417 " (expect \"" BOOT_PART_TYPE "\")\n",
419 show_boot_progress (-47);
422 show_boot_progress (47);
424 printf ("\nLoading from IDE device %d, partition %d: "
425 "Name: %.32s Type: %.32s\n",
426 dev, part, info.name, info.type);
428 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
429 info.start, info.size, info.blksz);
431 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
432 printf ("** Read error on %d:%d\n", dev, part);
433 show_boot_progress (-48);
436 show_boot_progress (48);
438 switch (genimg_get_format ((void *)addr)) {
439 case IMAGE_FORMAT_LEGACY:
440 hdr = (image_header_t *)addr;
442 show_boot_progress (49);
444 if (!image_check_hcrc (hdr)) {
445 puts ("\n** Bad Header Checksum **\n");
446 show_boot_progress (-50);
449 show_boot_progress (50);
451 image_print_contents (hdr);
453 cnt = image_get_image_size (hdr);
455 #if defined(CONFIG_FIT)
456 case IMAGE_FORMAT_FIT:
457 fit_hdr = (const void *)addr;
458 puts ("Fit image detected...\n");
460 cnt = fit_get_size (fit_hdr);
464 show_boot_progress (-49);
465 puts ("** Unknown image type\n");
469 cnt += info.blksz - 1;
473 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
474 (ulong *)(addr+info.blksz)) != cnt) {
475 printf ("** Read error on %d:%d\n", dev, part);
476 show_boot_progress (-51);
479 show_boot_progress (51);
481 #if defined(CONFIG_FIT)
482 /* This cannot be done earlier, we need complete FIT image in RAM first */
483 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
484 if (!fit_check_format (fit_hdr)) {
485 show_boot_progress (-140);
486 puts ("** Bad FIT image format\n");
489 show_boot_progress (141);
490 fit_print_contents (fit_hdr);
494 /* Loading ok, update default load address */
498 /* Check if we should attempt an auto-start */
499 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
502 local_args[0] = argv[0];
503 local_args[1] = NULL;
505 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
507 do_bootm (cmdtp, 0, 1, local_args);
513 /* ------------------------------------------------------------------------- */
516 __ide_outb(int dev, int port, unsigned char val)
518 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
519 dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
521 #if defined(CONFIG_IDE_AHB)
524 ide_write_register(dev, port, val);
527 outb(val, (ATA_CURR_BASE(dev)));
530 outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
534 void ide_outb (int dev, int port, unsigned char val)
535 __attribute__((weak, alias("__ide_outb")));
538 __ide_inb(int dev, int port)
542 #if defined(CONFIG_IDE_AHB)
543 val = ide_read_register(dev, port);
545 val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
548 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
549 dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val);
552 unsigned char ide_inb(int dev, int port)
553 __attribute__((weak, alias("__ide_inb")));
555 #ifdef CONFIG_TUNE_PIO
557 __ide_set_piomode(int pio_mode)
561 int inline ide_set_piomode(int pio_mode)
562 __attribute__((weak, alias("__ide_set_piomode")));
568 #ifdef CONFIG_IDE_8xx_DIRECT
569 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
570 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
574 #if defined(CONFIG_SC3)
575 unsigned int ata_reset_time = ATA_RESET_TIME;
577 #ifdef CONFIG_IDE_8xx_PCCARD
578 extern int pcmcia_on (void);
579 extern int ide_devices_found; /* Initialized in check_ide_device() */
580 #endif /* CONFIG_IDE_8xx_PCCARD */
582 #ifdef CONFIG_IDE_PREINIT
583 extern int ide_preinit (void);
586 if (ide_preinit ()) {
587 puts ("ide_preinit failed\n");
590 #endif /* CONFIG_IDE_PREINIT */
592 #ifdef CONFIG_IDE_8xx_PCCARD
593 extern int pcmcia_on (void);
594 extern int ide_devices_found; /* Initialized in check_ide_device() */
598 ide_devices_found = 0;
599 /* initialize the PCMCIA IDE adapter card */
601 if (!ide_devices_found)
603 udelay (1000000); /* 1 s */
604 #endif /* CONFIG_IDE_8xx_PCCARD */
608 #ifdef CONFIG_IDE_8xx_DIRECT
609 /* Initialize PIO timing tables */
610 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
611 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
613 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
615 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
617 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
619 " hold=%2d ns/%d clk\n",
621 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
622 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
623 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
625 #endif /* CONFIG_IDE_8xx_DIRECT */
627 /* Reset the IDE just to be sure.
628 * Light LED's to show
630 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
631 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
633 #ifdef CONFIG_IDE_8xx_DIRECT
634 /* PCMCIA / IDE initialization for common mem space */
635 pcmp->pcmc_pgcrb = 0;
637 /* start in PIO mode 0 - most relaxed timings */
639 set_pcmcia_timing (pio_mode);
640 #endif /* CONFIG_IDE_8xx_DIRECT */
643 * Wait for IDE to get ready.
644 * According to spec, this can take up to 31 seconds!
646 for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) {
647 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS);
649 #ifdef CONFIG_IDE_8xx_PCCARD
650 /* Skip non-ide devices from probing */
651 if ((ide_devices_found & (1 << bus)) == 0) {
652 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
656 printf ("Bus %d: ", bus);
662 udelay (100000); /* 100 ms */
663 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
664 udelay (100000); /* 100 ms */
667 udelay (10000); /* 10 ms */
669 c = ide_inb (dev, ATA_STATUS);
671 #if defined(CONFIG_SC3)
672 if (i > (ata_reset_time * 100)) {
674 if (i > (ATA_RESET_TIME * 100)) {
676 puts ("** Timeout **\n");
677 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
680 if ((i >= 100) && ((i%100)==0)) {
683 } while (c & ATA_STAT_BUSY);
685 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
686 puts ("not available ");
687 debug ("Status = 0x%02X ", c);
688 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
689 } else if ((c & ATA_STAT_READY) == 0) {
690 puts ("not available ");
691 debug ("Status = 0x%02X ", c);
702 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
705 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
706 #ifdef CONFIG_IDE_LED
707 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
709 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
710 ide_dev_desc[i].if_type=IF_TYPE_IDE;
711 ide_dev_desc[i].dev=i;
712 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
713 ide_dev_desc[i].blksz=0;
714 ide_dev_desc[i].lba=0;
715 ide_dev_desc[i].block_read=ide_read;
716 ide_dev_desc[i].block_write = ide_write;
717 if (!ide_bus_ok[IDE_BUS(i)])
719 ide_led (led, 1); /* LED on */
720 ide_ident(&ide_dev_desc[i]);
721 ide_led (led, 0); /* LED off */
722 dev_print(&ide_dev_desc[i]);
724 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
725 init_part (&ide_dev_desc[i]); /* initialize partition type */
733 /* ------------------------------------------------------------------------- */
735 block_dev_desc_t * ide_get_dev(int dev)
737 return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
741 #ifdef CONFIG_IDE_8xx_DIRECT
744 set_pcmcia_timing (int pmode)
746 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
747 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
750 debug ("Set timing for PIO Mode %d\n", pmode);
752 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
753 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
754 | PCMCIA_SL (pio_config_clk[pmode].t_length)
759 pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
760 pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
761 #if (CONFIG_SYS_PCMCIA_POR0 != 0)
765 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
767 pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
768 pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
769 #if (CONFIG_SYS_PCMCIA_POR1 != 0)
773 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
775 pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
776 pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
777 #if (CONFIG_SYS_PCMCIA_POR2 != 0)
781 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
783 pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
784 pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
785 #if (CONFIG_SYS_PCMCIA_POR3 != 0)
789 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
793 pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
794 pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
795 #if (CONFIG_SYS_PCMCIA_POR4 != 0)
799 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
801 pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
802 pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
803 #if (CONFIG_SYS_PCMCIA_POR5 != 0)
807 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
809 pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
810 pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
811 #if (CONFIG_SYS_PCMCIA_POR6 != 0)
815 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
817 pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
818 pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
819 #if (CONFIG_SYS_PCMCIA_POR7 != 0)
823 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
827 #endif /* CONFIG_IDE_8xx_DIRECT */
829 /* ------------------------------------------------------------------------- */
831 /* We only need to swap data if we are running on a big endian cpu. */
832 /* But Au1x00 cpu:s already swaps data in big endian mode! */
833 #if defined(__LITTLE_ENDIAN) || \
834 (defined(CONFIG_SOC_AU1X00) && !defined(CONFIG_GTH2))
835 #define input_swap_data(x,y,z) input_data(x,y,z)
838 input_swap_data(int dev, ulong *sect_buf, int words)
840 #if defined(CONFIG_CPC45)
842 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
843 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
844 ushort *dbuf = (ushort *)sect_buf;
847 for (i=0; i<2; i++) {
848 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
849 *(uchar *)dbuf = *pbuf_odd;
854 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
855 ushort *dbuf = (ushort *)sect_buf;
857 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
861 *dbuf++ = swab16p((u16*)pbuf);
862 *dbuf++ = swab16p((u16*)pbuf);
863 #elif defined(CONFIG_PCS440EP)
867 *dbuf++ = ld_le16(pbuf);
868 *dbuf++ = ld_le16(pbuf);
873 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
876 #if defined(CONFIG_IDE_SWAP_IO)
878 output_data(int dev, const ulong *sect_buf, int words)
880 #if defined(CONFIG_CPC45)
882 volatile uchar *pbuf_even;
883 volatile uchar *pbuf_odd;
885 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
886 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
887 dbuf = (uchar *)sect_buf;
890 *pbuf_even = *dbuf++;
894 *pbuf_even = *dbuf++;
900 volatile ushort *pbuf;
902 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
903 dbuf = (ushort *)sect_buf;
905 #if defined(CONFIG_PCS440EP)
906 /* not tested, because CF was write protected */
908 *pbuf = ld_le16(dbuf++);
910 *pbuf = ld_le16(dbuf++);
920 #else /* ! CONFIG_IDE_SWAP_IO */
922 output_data(int dev, const ulong *sect_buf, int words)
924 #if defined(CONFIG_IDE_AHB)
925 ide_write_data(dev, sect_buf, words);
927 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
930 #endif /* CONFIG_IDE_SWAP_IO */
932 #if defined(CONFIG_IDE_SWAP_IO)
934 input_data(int dev, ulong *sect_buf, int words)
936 #if defined(CONFIG_CPC45)
938 volatile uchar *pbuf_even;
939 volatile uchar *pbuf_odd;
941 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
942 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
943 dbuf = (uchar *)sect_buf;
945 *dbuf++ = *pbuf_even;
951 *dbuf++ = *pbuf_even;
960 volatile ushort *pbuf;
962 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
963 dbuf = (ushort *)sect_buf;
965 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
968 #if defined(CONFIG_PCS440EP)
970 *dbuf++ = ld_le16(pbuf);
972 *dbuf++ = ld_le16(pbuf);
982 #else /* ! CONFIG_IDE_SWAP_IO */
984 input_data(int dev, ulong *sect_buf, int words)
986 #if defined(CONFIG_IDE_AHB)
987 ide_read_data(dev, sect_buf, words);
989 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
993 #endif /* CONFIG_IDE_SWAP_IO */
995 /* -------------------------------------------------------------------------
997 static void ide_ident (block_dev_desc_t *dev_desc)
999 ulong iobuf[ATA_SECTORWORDS];
1001 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1008 #ifdef CONFIG_TUNE_PIO
1013 int mode, cycle_time;
1016 device=dev_desc->dev;
1017 printf (" Device %d: ", device);
1019 ide_led (DEVICE_LED(device), 1); /* LED on */
1022 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1023 dev_desc->if_type=IF_TYPE_IDE;
1029 /* Warning: This will be tricky to read */
1030 while (retries <= 1) {
1031 /* check signature */
1032 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1033 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1034 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1035 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1036 /* ATAPI Signature found */
1037 dev_desc->if_type=IF_TYPE_ATAPI;
1038 /* Start Ident Command
1040 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1042 * Wait for completion - ATAPI devices need more time
1045 c = ide_wait (device, ATAPI_TIME_OUT);
1049 /* Start Ident Command
1051 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1053 /* Wait for completion
1055 c = ide_wait (device, IDE_TIME_OUT);
1057 ide_led (DEVICE_LED(device), 0); /* LED off */
1059 if (((c & ATA_STAT_DRQ) == 0) ||
1060 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1063 /* Need to soft reset the device in case it's an ATAPI... */
1064 debug ("Retrying...\n");
1065 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1067 ide_outb (device, ATA_COMMAND, 0x08);
1068 udelay (500000); /* 500 ms */
1072 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1081 } /* see above - ugly to read */
1083 if (retries == 2) /* Not found */
1087 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1089 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1090 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1091 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1092 #ifdef __LITTLE_ENDIAN
1094 * firmware revision, model, and serial number have Big Endian Byte
1095 * order in Word. Convert all three to little endian.
1097 * See CF+ and CompactFlash Specification Revision 2.0:
1098 * 6.2.1.6: Identify Drive, Table 39 for more details
1101 strswab (dev_desc->revision);
1102 strswab (dev_desc->vendor);
1103 strswab (dev_desc->product);
1104 #endif /* __LITTLE_ENDIAN */
1106 if ((iop->config & 0x0080)==0x0080)
1107 dev_desc->removable = 1;
1109 dev_desc->removable = 0;
1111 #ifdef CONFIG_TUNE_PIO
1112 /* Mode 0 - 2 only, are directly determined by word 51. */
1113 pio_mode = iop->tPIO;
1115 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1116 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1119 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1120 * shall set bit 1 of word 53 to one and support the fields contained
1121 * in words 64 through 70.
1123 if (iop->field_valid & 0x02) {
1124 /* Mode 3 and above are possible. Check in order from slow
1125 * to fast, so we wind up with the highest mode allowed.
1127 if (iop->eide_pio_modes & 0x01)
1129 if (iop->eide_pio_modes & 0x02)
1131 if (ata_id_is_cfa((u16 *)iop)) {
1132 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1134 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1139 /* System-specific, depends on bus speeds, etc. */
1140 ide_set_piomode(pio_mode);
1141 #endif /* CONFIG_TUNE_PIO */
1145 * Drive PIO mode autoselection
1149 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1150 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1152 debug ("Override tPIO -> 2\n");
1154 if (iop->field_valid & 2) { /* drive implements ATA2? */
1155 debug ("Drive implements ATA2\n");
1156 if (iop->capability & 8) { /* drive supports use_iordy? */
1157 cycle_time = iop->eide_pio_iordy;
1159 cycle_time = iop->eide_pio;
1161 debug ("cycle time = %d\n", cycle_time);
1163 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1164 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1165 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1166 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1168 printf ("PIO mode to use: PIO %d\n", mode);
1172 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1173 atapi_inquiry(dev_desc);
1176 #endif /* CONFIG_ATAPI */
1180 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1181 #else /* ! __BIG_ENDIAN */
1183 * do not swap shorts on little endian
1185 * See CF+ and CompactFlash Specification Revision 2.0:
1186 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1188 dev_desc->lba = iop->lba_capacity;
1189 #endif /* __BIG_ENDIAN */
1192 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1193 dev_desc->lba48 = 1;
1194 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1195 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1196 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1197 ((unsigned long long)iop->lba48_capacity[3] << 48);
1199 dev_desc->lba48 = 0;
1201 #endif /* CONFIG_LBA48 */
1203 dev_desc->type=DEV_TYPE_HARDDISK;
1204 dev_desc->blksz=ATA_BLOCKSIZE;
1205 dev_desc->lun=0; /* just to fill something in... */
1207 #if 0 /* only used to test the powersaving mode,
1208 * if enabled, the drive goes after 5 sec
1209 * in standby mode */
1210 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1211 c = ide_wait (device, IDE_TIME_OUT);
1212 ide_outb (device, ATA_SECT_CNT, 1);
1213 ide_outb (device, ATA_LBA_LOW, 0);
1214 ide_outb (device, ATA_LBA_MID, 0);
1215 ide_outb (device, ATA_LBA_HIGH, 0);
1216 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1217 ide_outb (device, ATA_COMMAND, 0xe3);
1219 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1224 /* ------------------------------------------------------------------------- */
1226 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1230 unsigned char pwrsave=0; /* power save */
1232 unsigned char lba48 = 0;
1234 if (blknr & 0x0000fffff0000000ULL) {
1235 /* more than 28 bits used, use 48bit mode */
1239 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
1240 device, blknr, blkcnt, (ulong)buffer);
1242 ide_led (DEVICE_LED(device), 1); /* LED on */
1246 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1247 c = ide_wait (device, IDE_TIME_OUT);
1249 if (c & ATA_STAT_BUSY) {
1250 printf ("IDE read: device %d not ready\n", device);
1254 /* first check if the drive is in Powersaving mode, if yes,
1255 * increase the timeout value */
1256 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1259 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1261 if (c & ATA_STAT_BUSY) {
1262 printf ("IDE read: device %d not ready\n", device);
1265 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1266 printf ("No Powersaving mode %X\n", c);
1268 c = ide_inb(device,ATA_SECT_CNT);
1269 debug ("Powersaving %02X\n",c);
1275 while (blkcnt-- > 0) {
1277 c = ide_wait (device, IDE_TIME_OUT);
1279 if (c & ATA_STAT_BUSY) {
1280 printf ("IDE read: device %d not ready\n", device);
1285 /* write high bits */
1286 ide_outb (device, ATA_SECT_CNT, 0);
1287 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1288 #ifdef CONFIG_SYS_64BIT_LBA
1289 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1290 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1292 ide_outb (device, ATA_LBA_MID, 0);
1293 ide_outb (device, ATA_LBA_HIGH, 0);
1297 ide_outb (device, ATA_SECT_CNT, 1);
1298 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1299 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1300 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1304 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1305 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1310 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1311 ATA_DEVICE(device) |
1312 ((blknr >> 24) & 0xF) );
1313 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1319 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1322 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1325 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1326 #if defined(CONFIG_SYS_64BIT_LBA)
1327 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1330 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1331 device, (ulong)blknr, c);
1336 input_data (device, buffer, ATA_SECTORWORDS);
1337 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1341 buffer += ATA_BLOCKSIZE;
1344 ide_led (DEVICE_LED(device), 0); /* LED off */
1348 /* ------------------------------------------------------------------------- */
1351 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, const void *buffer)
1356 unsigned char lba48 = 0;
1358 if (blknr & 0x0000fffff0000000ULL) {
1359 /* more than 28 bits used, use 48bit mode */
1364 ide_led (DEVICE_LED(device), 1); /* LED on */
1368 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1370 while (blkcnt-- > 0) {
1372 c = ide_wait (device, IDE_TIME_OUT);
1374 if (c & ATA_STAT_BUSY) {
1375 printf ("IDE read: device %d not ready\n", device);
1380 /* write high bits */
1381 ide_outb (device, ATA_SECT_CNT, 0);
1382 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1383 #ifdef CONFIG_SYS_64BIT_LBA
1384 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1385 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1387 ide_outb (device, ATA_LBA_MID, 0);
1388 ide_outb (device, ATA_LBA_HIGH, 0);
1392 ide_outb (device, ATA_SECT_CNT, 1);
1393 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1394 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1395 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1399 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1400 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1405 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1406 ATA_DEVICE(device) |
1407 ((blknr >> 24) & 0xF) );
1408 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1413 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1415 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1416 #if defined(CONFIG_SYS_64BIT_LBA)
1417 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1420 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1421 device, (ulong)blknr, c);
1426 output_data (device, buffer, ATA_SECTORWORDS);
1427 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1430 buffer += ATA_BLOCKSIZE;
1433 ide_led (DEVICE_LED(device), 0); /* LED off */
1437 /* ------------------------------------------------------------------------- */
1440 * copy src to dest, skipping leading and trailing blanks and null
1441 * terminate the string
1442 * "len" is the size of available memory including the terminating '\0'
1444 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1446 unsigned char *end, *last;
1449 end = src + len - 1;
1451 /* reserve space for '\0' */
1455 /* skip leading white space */
1456 while ((*src) && (src<end) && (*src==' '))
1459 /* copy string, omitting trailing white space */
1460 while ((*src) && (src<end)) {
1469 /* ------------------------------------------------------------------------- */
1472 * Wait until Busy bit is off, or timeout (in ms)
1473 * Return last status
1475 static uchar ide_wait (int dev, ulong t)
1477 ulong delay = 10 * t; /* poll every 100 us */
1480 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1489 /* ------------------------------------------------------------------------- */
1491 #ifdef CONFIG_IDE_RESET
1492 extern void ide_set_reset(int idereset);
1494 static void ide_reset (void)
1496 #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1497 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
1502 for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i)
1504 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i)
1505 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1507 ide_set_reset (1); /* assert reset */
1509 /* the reset signal shall be asserted for et least 25 us */
1514 #ifdef CONFIG_SYS_PB_12V_ENABLE
1515 immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */
1516 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
1517 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
1518 immr->im_cpm.cp_pbdir |= CONFIG_SYS_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 |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */
1527 #endif /* CONFIG_SYS_PB_12V_ENABLE */
1529 #ifdef CONFIG_SYS_PB_IDE_MOTOR
1530 /* configure IDE Motor voltage monitor pin as input */
1531 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1532 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1533 immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_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 & CONFIG_SYS_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 /* CONFIG_SYS_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_CPC45) && \
1574 !defined(CONFIG_KUP4K) && \
1575 !defined(CONFIG_KUP4X)
1577 static uchar led_buffer = 0; /* Buffer for current LED status */
1579 static void ide_led (uchar led, uchar status)
1581 uchar *led_port = LED_PORT;
1583 if (status) { /* switch LED on */
1585 } else { /* switch LED off */
1589 *led_port = led_buffer;
1592 #endif /* CONFIG_IDE_LED */
1594 #if defined(CONFIG_OF_IDE_FIXUP)
1595 int ide_device_present(int dev)
1597 if (dev >= CONFIG_SYS_IDE_MAXBUS)
1599 return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1);
1602 /* ------------------------------------------------------------------------- */
1605 /****************************************************************************
1609 #if defined(CONFIG_IDE_SWAP_IO)
1610 /* since ATAPI may use commands with not 4 bytes alligned length
1611 * we have our own transfer functions, 2 bytes alligned */
1613 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1615 #if defined(CONFIG_CPC45)
1617 volatile uchar *pbuf_even;
1618 volatile uchar *pbuf_odd;
1620 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1621 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1624 *pbuf_even = *dbuf++;
1626 *pbuf_odd = *dbuf++;
1630 volatile ushort *pbuf;
1632 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1633 dbuf = (ushort *)sect_buf;
1635 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1645 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1647 #if defined(CONFIG_CPC45)
1649 volatile uchar *pbuf_even;
1650 volatile uchar *pbuf_odd;
1652 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1653 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1656 *dbuf++ = *pbuf_even;
1658 *dbuf++ = *pbuf_odd;
1662 volatile ushort *pbuf;
1664 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1665 dbuf = (ushort *)sect_buf;
1667 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1676 #else /* ! CONFIG_IDE_SWAP_IO */
1678 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1680 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1684 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1686 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1689 #endif /* CONFIG_IDE_SWAP_IO */
1692 * Wait until (Status & mask) == res, or timeout (in ms)
1693 * Return last status
1694 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1695 * and then they set their DRQ Bit
1697 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1699 ulong delay = 10 * t; /* poll every 100 us */
1702 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1703 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1704 /* break if error occurs (doesn't make sense to wait more) */
1705 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1716 * issue an atapi command
1718 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1720 unsigned char c,err,mask,res;
1722 ide_led (DEVICE_LED(device), 1); /* LED on */
1726 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1728 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1729 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1730 if ((c & mask) != res) {
1731 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1735 /* write taskfile */
1736 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1737 ide_outb (device, ATA_SECT_CNT, 0);
1738 ide_outb (device, ATA_SECT_NUM, 0);
1739 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1740 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
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 ("ATAPI_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 ("ATAPI_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 unitattn=ATAPI_UNIT_ATTN;
1840 notready=ATAPI_DRIVE_NOT_READY;
1843 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1845 return (0); /* Ok */
1848 return (0xFF); /* error */
1850 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1852 memset(sense_ccb,0,sizeof(sense_ccb));
1853 memset(sense_data,0,sizeof(sense_data));
1854 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1855 sense_ccb[4]=18; /* allocation Length */
1857 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1858 key=(sense_data[2]&0xF);
1859 asc=(sense_data[12]);
1860 ascq=(sense_data[13]);
1862 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1863 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1870 return 0; /* ok device ready */
1872 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1877 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1880 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1885 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1889 debug ("Media not present\n");
1893 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1895 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1900 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1902 unsigned char ccb[12]; /* Command descriptor block */
1903 unsigned char iobuf[64]; /* temp buf */
1907 device=dev_desc->dev;
1908 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1909 dev_desc->block_read=atapi_read;
1911 memset(ccb,0,sizeof(ccb));
1912 memset(iobuf,0,sizeof(iobuf));
1914 ccb[0]=ATAPI_CMD_INQUIRY;
1915 ccb[4]=40; /* allocation Legnth */
1916 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1918 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1922 /* copy device ident strings */
1923 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1924 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1925 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1930 dev_desc->type=iobuf[0] & 0x1f;
1932 if ((iobuf[1]&0x80)==0x80)
1933 dev_desc->removable = 1;
1935 dev_desc->removable = 0;
1937 memset(ccb,0,sizeof(ccb));
1938 memset(iobuf,0,sizeof(iobuf));
1939 ccb[0]=ATAPI_CMD_START_STOP;
1940 ccb[4]=0x03; /* start */
1942 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1944 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1948 memset(ccb,0,sizeof(ccb));
1949 memset(iobuf,0,sizeof(iobuf));
1950 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1952 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1956 memset(ccb,0,sizeof(ccb));
1957 memset(iobuf,0,sizeof(iobuf));
1958 ccb[0]=ATAPI_CMD_READ_CAP;
1959 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1960 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1964 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1965 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1966 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1968 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1969 ((unsigned long)iobuf[1]<<16) +
1970 ((unsigned long)iobuf[2]<< 8) +
1971 ((unsigned long)iobuf[3]);
1972 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1973 ((unsigned long)iobuf[5]<<16) +
1974 ((unsigned long)iobuf[6]<< 8) +
1975 ((unsigned long)iobuf[7]);
1977 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1985 * we transfer only one block per command, since the multiple DRQ per
1986 * command is not yet implemented
1988 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1989 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1990 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1992 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1995 unsigned char ccb[12]; /* Command descriptor block */
1998 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1999 device, blknr, blkcnt, (ulong)buffer);
2002 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2003 cnt=ATAPI_READ_MAX_BLOCK;
2007 ccb[0]=ATAPI_CMD_READ_12;
2008 ccb[1]=0; /* reserved */
2009 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2010 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2011 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2012 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2013 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2014 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2015 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2016 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2017 ccb[10]=0; /* reserved */
2018 ccb[11]=0; /* reserved */
2020 if (atapi_issue_autoreq(device,ccb,12,
2021 (unsigned char *)buffer,
2022 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2028 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2029 } while (blkcnt > 0);
2033 /* ------------------------------------------------------------------------- */
2035 #endif /* CONFIG_ATAPI */
2040 "reset - reset IDE controller\n"
2041 "ide info - show available IDE devices\n"
2042 "ide device [dev] - show or set current device\n"
2043 "ide part [dev] - print partition table of one or all IDE devices\n"
2044 "ide read addr blk# cnt\n"
2045 "ide write addr blk# cnt - read/write `cnt'"
2046 " blocks starting at block `blk#'\n"
2047 " to/from memory address `addr'"
2051 diskboot, 3, 1, do_diskboot,
2052 "boot from IDE device",