2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <asm/byteorder.h>
36 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
51 #ifdef CONFIG_STATUS_LED
52 # include <status_led.h>
59 #ifdef CONFIG_IDE_8xx_DIRECT
60 DECLARE_GLOBAL_DATA_PTR;
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
71 #ifdef CONFIG_IDE_8xx_DIRECT
72 /* Timings for IDE Interface
74 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
75 * 70 165 30 PIO-Mode 0, [ns]
77 * 50 125 20 PIO-Mode 1, [ns]
79 * 30 100 15 PIO-Mode 2, [ns]
81 * 30 80 10 PIO-Mode 3, [ns]
83 * 25 70 10 PIO-Mode 4, [ns]
87 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
89 /* Setup Length Hold */
90 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
91 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
92 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
93 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
94 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
97 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
100 #define CFG_PIO_MODE 0 /* use a relaxed default */
102 static int pio_mode = CFG_PIO_MODE;
104 /* Make clock cycles and always round up */
106 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
108 #endif /* CONFIG_IDE_8xx_DIRECT */
110 /* ------------------------------------------------------------------------- */
112 /* Current I/O Device */
113 static int curr_device = -1;
115 /* Current offset for IDE0 / IDE1 bus access */
116 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
117 #if defined(CFG_ATA_IDE0_OFFSET)
120 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
126 #ifndef CONFIG_AMIGAONEG3SE
127 static int ide_bus_ok[CFG_IDE_MAXBUS];
129 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
132 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
133 /* ------------------------------------------------------------------------- */
135 #ifdef CONFIG_IDE_LED
136 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
137 static void ide_led (uchar led, uchar status);
139 extern void ide_led (uchar led, uchar status);
142 #ifndef CONFIG_AMIGAONEG3SE
143 #define ide_led(a,b) /* dummy */
145 extern void ide_led(uchar led, uchar status);
148 #define CONFIG_IDE_LED 1
149 #define DEVICE_LED(x) 1
153 #ifdef CONFIG_IDE_RESET
154 static void ide_reset (void);
156 #define ide_reset() /* dummy */
159 static void ide_ident (block_dev_desc_t *dev_desc);
160 static uchar ide_wait (int dev, ulong t);
162 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
164 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
166 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
168 void inline ide_outb(int dev, int port, unsigned char val);
169 unsigned char inline ide_inb(int dev, int port);
170 static void input_data(int dev, ulong *sect_buf, int words);
171 static void output_data(int dev, ulong *sect_buf, int words);
172 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
174 #ifndef CFG_ATA_PORT_ADDR
175 #define CFG_ATA_PORT_ADDR(port) (port)
179 static void atapi_inquiry(block_dev_desc_t *dev_desc);
180 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
184 #ifdef CONFIG_IDE_8xx_DIRECT
185 static void set_pcmcia_timing (int pmode);
188 /* ------------------------------------------------------------------------- */
190 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
197 printf ("Usage:\n%s\n", cmdtp->usage);
200 if (strncmp(argv[1],"res",3) == 0) {
202 #ifdef CONFIG_IDE_8xx_DIRECT
203 " on PCMCIA " PCMCIA_SLOT_MSG
209 } else if (strncmp(argv[1],"inf",3) == 0) {
214 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
215 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
216 continue; /* list only known devices */
217 printf ("IDE device %d: ", i);
218 dev_print(&ide_dev_desc[i]);
222 } else if (strncmp(argv[1],"dev",3) == 0) {
223 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
224 puts ("\nno IDE devices available\n");
227 printf ("\nIDE device %d: ", curr_device);
228 dev_print(&ide_dev_desc[curr_device]);
230 } else if (strncmp(argv[1],"part",4) == 0) {
233 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
234 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
238 print_part(&ide_dev_desc[dev]);
242 puts ("\nno IDE devices available\n");
247 printf ("Usage:\n%s\n", cmdtp->usage);
250 if (strncmp(argv[1],"dev",3) == 0) {
251 int dev = (int)simple_strtoul(argv[2], NULL, 10);
253 printf ("\nIDE device %d: ", dev);
254 if (dev >= CFG_IDE_MAXDEVICE) {
255 puts ("unknown device\n");
258 dev_print(&ide_dev_desc[dev]);
261 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
267 puts ("... is now current device\n");
270 } else if (strncmp(argv[1],"part",4) == 0) {
271 int dev = (int)simple_strtoul(argv[2], NULL, 10);
273 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
274 print_part(&ide_dev_desc[dev]);
276 printf ("\nIDE device %d not available\n", dev);
281 } else if (strncmp(argv[1],"pio",4) == 0) {
282 int mode = (int)simple_strtoul(argv[2], NULL, 10);
284 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
289 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
290 mode, IDE_MAX_PIO_MODE);
296 printf ("Usage:\n%s\n", cmdtp->usage);
299 /* at least 4 args */
301 if (strcmp(argv[1],"read") == 0) {
302 ulong addr = simple_strtoul(argv[2], NULL, 16);
303 ulong cnt = simple_strtoul(argv[4], NULL, 16);
305 #ifdef CFG_64BIT_STRTOUL
306 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
308 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
309 curr_device, blk, cnt);
311 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
313 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
314 curr_device, blk, cnt);
317 n = ide_dev_desc[curr_device].block_read (curr_device,
320 /* flush cache after read */
321 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
323 printf ("%ld blocks read: %s\n",
324 n, (n==cnt) ? "OK" : "ERROR");
330 } else if (strcmp(argv[1],"write") == 0) {
331 ulong addr = simple_strtoul(argv[2], NULL, 16);
332 ulong cnt = simple_strtoul(argv[4], NULL, 16);
334 #ifdef CFG_64BIT_STRTOUL
335 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
337 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
338 curr_device, blk, cnt);
340 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
342 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
343 curr_device, blk, cnt);
346 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
348 printf ("%ld blocks written: %s\n",
349 n, (n==cnt) ? "OK" : "ERROR");
356 printf ("Usage:\n%s\n", cmdtp->usage);
364 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
366 char *boot_device = NULL;
370 disk_partition_t info;
373 #if defined(CONFIG_FIT)
377 show_boot_progress (41);
380 addr = CFG_LOAD_ADDR;
381 boot_device = getenv ("bootdevice");
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = getenv ("bootdevice");
388 addr = simple_strtoul(argv[1], NULL, 16);
389 boot_device = argv[2];
392 printf ("Usage:\n%s\n", cmdtp->usage);
393 show_boot_progress (-42);
396 show_boot_progress (42);
399 puts ("\n** No boot device **\n");
400 show_boot_progress (-43);
403 show_boot_progress (43);
405 dev = simple_strtoul(boot_device, &ep, 16);
407 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
408 printf ("\n** Device %d not available\n", dev);
409 show_boot_progress (-44);
412 show_boot_progress (44);
416 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
417 show_boot_progress (-45);
420 part = simple_strtoul(++ep, NULL, 16);
422 show_boot_progress (45);
423 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
424 show_boot_progress (-46);
427 show_boot_progress (46);
428 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
429 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
430 printf ("\n** Invalid partition type \"%.32s\""
431 " (expect \"" BOOT_PART_TYPE "\")\n",
433 show_boot_progress (-47);
436 show_boot_progress (47);
438 printf ("\nLoading from IDE device %d, partition %d: "
439 "Name: %.32s Type: %.32s\n",
440 dev, part, info.name, info.type);
442 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
443 info.start, info.size, info.blksz);
445 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
446 printf ("** Read error on %d:%d\n", dev, part);
447 show_boot_progress (-48);
450 show_boot_progress (48);
452 switch (genimg_get_format ((void *)addr)) {
453 case IMAGE_FORMAT_LEGACY:
454 hdr = (image_header_t *)addr;
456 show_boot_progress (49);
458 if (!image_check_hcrc (hdr)) {
459 puts ("\n** Bad Header Checksum **\n");
460 show_boot_progress (-50);
463 show_boot_progress (50);
465 image_print_contents (hdr);
467 cnt = image_get_image_size (hdr);
469 #if defined(CONFIG_FIT)
470 case IMAGE_FORMAT_FIT:
471 fit_hdr = (const void *)addr;
472 if (!fit_check_format (fit_hdr)) {
473 puts ("** Bad FIT image format\n");
476 puts ("Fit image detected...\n");
478 cnt = fit_get_size (fit_hdr);
482 show_boot_progress (-49);
483 puts ("** Unknown image type\n");
487 cnt += info.blksz - 1;
491 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
492 (ulong *)(addr+info.blksz)) != cnt) {
493 printf ("** Read error on %d:%d\n", dev, part);
494 show_boot_progress (-51);
497 show_boot_progress (51);
499 #if defined(CONFIG_FIT)
500 /* This cannot be done earlier, we need complete FIT image in RAM first */
501 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT)
502 fit_print_contents ((const void *)addr);
505 /* Loading ok, update default load address */
509 /* Check if we should attempt an auto-start */
510 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
512 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
514 local_args[0] = argv[0];
515 local_args[1] = NULL;
517 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
519 do_bootm (cmdtp, 0, 1, local_args);
525 /* ------------------------------------------------------------------------- */
530 #ifdef CONFIG_IDE_8xx_DIRECT
531 volatile immap_t *immr = (immap_t *)CFG_IMMR;
532 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
536 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
537 unsigned int ata_reset_time = ATA_RESET_TIME;
540 #ifdef CONFIG_AMIGAONEG3SE
541 unsigned int max_bus_scan;
543 #ifdef CONFIG_IDE_8xx_PCCARD
544 extern int pcmcia_on (void);
545 extern int ide_devices_found; /* Initialized in check_ide_device() */
546 #endif /* CONFIG_IDE_8xx_PCCARD */
548 #ifdef CONFIG_IDE_PREINIT
549 extern int ide_preinit (void);
552 if (ide_preinit ()) {
553 puts ("ide_preinit failed\n");
556 #endif /* CONFIG_IDE_PREINIT */
558 #ifdef CONFIG_IDE_8xx_PCCARD
559 extern int pcmcia_on (void);
560 extern int ide_devices_found; /* Initialized in check_ide_device() */
564 ide_devices_found = 0;
565 /* initialize the PCMCIA IDE adapter card */
567 if (!ide_devices_found)
569 udelay (1000000); /* 1 s */
570 #endif /* CONFIG_IDE_8xx_PCCARD */
574 #ifdef CONFIG_IDE_8xx_DIRECT
575 /* Initialize PIO timing tables */
576 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
577 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
579 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
581 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
583 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
585 " hold=%2d ns/%d clk\n",
587 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
588 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
589 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
591 #endif /* CONFIG_IDE_8xx_DIRECT */
593 /* Reset the IDE just to be sure.
594 * Light LED's to show
596 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
597 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
599 #ifdef CONFIG_IDE_8xx_DIRECT
600 /* PCMCIA / IDE initialization for common mem space */
601 pcmp->pcmc_pgcrb = 0;
603 /* start in PIO mode 0 - most relaxed timings */
605 set_pcmcia_timing (pio_mode);
606 #endif /* CONFIG_IDE_8xx_DIRECT */
609 * Wait for IDE to get ready.
610 * According to spec, this can take up to 31 seconds!
612 #ifndef CONFIG_AMIGAONEG3SE
613 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
614 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
616 s = getenv("ide_maxbus");
618 max_bus_scan = simple_strtol(s, NULL, 10);
620 max_bus_scan = CFG_IDE_MAXBUS;
622 for (bus=0; bus<max_bus_scan; ++bus) {
623 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
626 #ifdef CONFIG_IDE_8xx_PCCARD
627 /* Skip non-ide devices from probing */
628 if ((ide_devices_found & (1 << bus)) == 0) {
629 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
633 printf ("Bus %d: ", bus);
639 udelay (100000); /* 100 ms */
640 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
641 udelay (100000); /* 100 ms */
642 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
643 if ((s = getenv("ide_reset_timeout")) != NULL)
644 ata_reset_time = simple_strtol(s, NULL, 10);
648 udelay (10000); /* 10 ms */
650 c = ide_inb (dev, ATA_STATUS);
652 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
653 if (i > (ata_reset_time * 100)) {
655 if (i > (ATA_RESET_TIME * 100)) {
657 puts ("** Timeout **\n");
658 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
659 #ifdef CONFIG_AMIGAONEG3SE
660 /* If this is the second bus, the first one was OK */
668 if ((i >= 100) && ((i%100)==0)) {
671 } while (c & ATA_STAT_BUSY);
673 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
674 puts ("not available ");
675 debug ("Status = 0x%02X ", c);
676 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
677 } else if ((c & ATA_STAT_READY) == 0) {
678 puts ("not available ");
679 debug ("Status = 0x%02X ", c);
688 #ifdef CONFIG_AMIGAONEG3SE
693 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
696 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
697 #ifdef CONFIG_IDE_LED
698 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
700 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
701 ide_dev_desc[i].if_type=IF_TYPE_IDE;
702 ide_dev_desc[i].dev=i;
703 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
704 ide_dev_desc[i].blksz=0;
705 ide_dev_desc[i].lba=0;
706 ide_dev_desc[i].block_read=ide_read;
707 if (!ide_bus_ok[IDE_BUS(i)])
709 ide_led (led, 1); /* LED on */
710 ide_ident(&ide_dev_desc[i]);
711 ide_led (led, 0); /* LED off */
712 dev_print(&ide_dev_desc[i]);
714 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
715 init_part (&ide_dev_desc[i]); /* initialize partition type */
723 /* ------------------------------------------------------------------------- */
725 block_dev_desc_t * ide_get_dev(int dev)
727 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
731 #ifdef CONFIG_IDE_8xx_DIRECT
734 set_pcmcia_timing (int pmode)
736 volatile immap_t *immr = (immap_t *)CFG_IMMR;
737 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
740 debug ("Set timing for PIO Mode %d\n", pmode);
742 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
743 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
744 | PCMCIA_SL (pio_config_clk[pmode].t_length)
749 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
750 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
751 #if (CFG_PCMCIA_POR0 != 0)
755 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
757 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
758 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
759 #if (CFG_PCMCIA_POR1 != 0)
763 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
765 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
766 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
767 #if (CFG_PCMCIA_POR2 != 0)
771 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
773 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
774 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
775 #if (CFG_PCMCIA_POR3 != 0)
779 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
783 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
784 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
785 #if (CFG_PCMCIA_POR4 != 0)
789 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
791 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
792 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
793 #if (CFG_PCMCIA_POR5 != 0)
797 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
799 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
800 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
801 #if (CFG_PCMCIA_POR6 != 0)
805 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
807 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
808 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
809 #if (CFG_PCMCIA_POR7 != 0)
813 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
817 #endif /* CONFIG_IDE_8xx_DIRECT */
819 /* ------------------------------------------------------------------------- */
822 __ide_outb(int dev, int port, unsigned char val)
824 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
825 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
826 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
828 void inline ide_outb (int dev, int port, unsigned char val)
829 __attribute__((weak, alias("__ide_outb")));
832 __ide_inb(int dev, int port)
835 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
836 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
837 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
840 unsigned char inline ide_inb(int dev, int port)
841 __attribute__((weak, alias("__ide_inb")));
844 # ifdef CONFIG_AMIGAONEG3SE
846 output_data_short(int dev, ulong *sect_buf, int words)
849 volatile ushort *pbuf;
851 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
852 dbuf = (ushort *)sect_buf;
862 # endif /* CONFIG_AMIGAONEG3SE */
865 /* We only need to swap data if we are running on a big endian cpu. */
866 /* But Au1x00 cpu:s already swaps data in big endian mode! */
867 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
868 #define input_swap_data(x,y,z) input_data(x,y,z)
871 input_swap_data(int dev, ulong *sect_buf, int words)
873 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
875 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
876 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
877 ushort *dbuf = (ushort *)sect_buf;
880 for (i=0; i<2; i++) {
881 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
882 *(uchar *)dbuf = *pbuf_odd;
887 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
888 ushort *dbuf = (ushort *)sect_buf;
890 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
894 *dbuf++ = swab16p((u16*)pbuf);
895 *dbuf++ = swab16p((u16*)pbuf);
896 #elif defined(CONFIG_PCS440EP)
900 *dbuf++ = ld_le16(pbuf);
901 *dbuf++ = ld_le16(pbuf);
906 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
909 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
911 output_data(int dev, ulong *sect_buf, int words)
913 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
915 volatile uchar *pbuf_even;
916 volatile uchar *pbuf_odd;
918 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
919 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
920 dbuf = (uchar *)sect_buf;
923 *pbuf_even = *dbuf++;
927 *pbuf_even = *dbuf++;
933 volatile ushort *pbuf;
935 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
936 dbuf = (ushort *)sect_buf;
938 #if defined(CONFIG_PCS440EP)
939 /* not tested, because CF was write protected */
941 *pbuf = ld_le16(dbuf++);
943 *pbuf = ld_le16(dbuf++);
953 #else /* ! __PPC__ */
955 output_data(int dev, ulong *sect_buf, int words)
957 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
961 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA) || defined(CONFIG_SH)
963 input_data(int dev, ulong *sect_buf, int words)
965 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
967 volatile uchar *pbuf_even;
968 volatile uchar *pbuf_odd;
970 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
971 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
972 dbuf = (uchar *)sect_buf;
974 *dbuf++ = *pbuf_even;
980 *dbuf++ = *pbuf_even;
989 volatile ushort *pbuf;
991 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
992 dbuf = (ushort *)sect_buf;
994 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
997 #if defined(CONFIG_PCS440EP)
999 *dbuf++ = ld_le16(pbuf);
1001 *dbuf++ = ld_le16(pbuf);
1011 #else /* ! __PPC__ */
1013 input_data(int dev, ulong *sect_buf, int words)
1015 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1018 #endif /* __PPC__ */
1020 #ifdef CONFIG_AMIGAONEG3SE
1022 input_data_short(int dev, ulong *sect_buf, int words)
1025 volatile ushort *pbuf;
1027 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1028 dbuf = (ushort *)sect_buf;
1042 /* -------------------------------------------------------------------------
1044 static void ide_ident (block_dev_desc_t *dev_desc)
1046 ulong iobuf[ATA_SECTORWORDS];
1048 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1050 #ifdef CONFIG_AMIGAONEG3SE
1060 int mode, cycle_time;
1063 device=dev_desc->dev;
1064 printf (" Device %d: ", device);
1066 #ifdef CONFIG_AMIGAONEG3SE
1067 s = getenv("ide_maxbus");
1069 max_bus_scan = simple_strtol(s, NULL, 10);
1071 max_bus_scan = CFG_IDE_MAXBUS;
1073 if (device >= max_bus_scan*2) {
1074 dev_desc->type=DEV_TYPE_UNKNOWN;
1079 ide_led (DEVICE_LED(device), 1); /* LED on */
1082 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1083 dev_desc->if_type=IF_TYPE_IDE;
1089 /* Warning: This will be tricky to read */
1090 while (retries <= 1) {
1091 /* check signature */
1092 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1093 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1094 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1095 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1096 /* ATAPI Signature found */
1097 dev_desc->if_type=IF_TYPE_ATAPI;
1098 /* Start Ident Command
1100 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1102 * Wait for completion - ATAPI devices need more time
1105 c = ide_wait (device, ATAPI_TIME_OUT);
1109 /* Start Ident Command
1111 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1113 /* Wait for completion
1115 c = ide_wait (device, IDE_TIME_OUT);
1117 ide_led (DEVICE_LED(device), 0); /* LED off */
1119 if (((c & ATA_STAT_DRQ) == 0) ||
1120 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1122 #ifdef CONFIG_AMIGAONEG3SE
1123 s = getenv("ide_doreset");
1124 if (s && strcmp(s, "on") == 0)
1127 /* Need to soft reset the device in case it's an ATAPI... */
1128 debug ("Retrying...\n");
1129 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1131 ide_outb (device, ATA_COMMAND, 0x08);
1132 udelay (500000); /* 500 ms */
1136 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1145 } /* see above - ugly to read */
1147 if (retries == 2) /* Not found */
1151 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1153 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1154 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1155 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1156 #ifdef __LITTLE_ENDIAN
1158 * firmware revision and model number have Big Endian Byte
1159 * order in Word. Convert both to little endian.
1161 * See CF+ and CompactFlash Specification Revision 2.0:
1162 * 6.2.1.6: Identfy Drive, Table 39 for more details
1165 strswab (dev_desc->revision);
1166 strswab (dev_desc->vendor);
1167 #endif /* __LITTLE_ENDIAN */
1169 if ((iop->config & 0x0080)==0x0080)
1170 dev_desc->removable = 1;
1172 dev_desc->removable = 0;
1176 * Drive PIO mode autoselection
1180 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1181 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1183 debug ("Override tPIO -> 2\n");
1185 if (iop->field_valid & 2) { /* drive implements ATA2? */
1186 debug ("Drive implements ATA2\n");
1187 if (iop->capability & 8) { /* drive supports use_iordy? */
1188 cycle_time = iop->eide_pio_iordy;
1190 cycle_time = iop->eide_pio;
1192 debug ("cycle time = %d\n", cycle_time);
1194 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1195 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1196 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1197 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1199 printf ("PIO mode to use: PIO %d\n", mode);
1203 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1204 atapi_inquiry(dev_desc);
1207 #endif /* CONFIG_ATAPI */
1211 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1212 #else /* ! __BIG_ENDIAN */
1214 * do not swap shorts on little endian
1216 * See CF+ and CompactFlash Specification Revision 2.0:
1217 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1219 dev_desc->lba = iop->lba_capacity;
1220 #endif /* __BIG_ENDIAN */
1223 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1224 dev_desc->lba48 = 1;
1225 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1226 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1227 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1228 ((unsigned long long)iop->lba48_capacity[3] << 48);
1230 dev_desc->lba48 = 0;
1232 #endif /* CONFIG_LBA48 */
1234 dev_desc->type=DEV_TYPE_HARDDISK;
1235 dev_desc->blksz=ATA_BLOCKSIZE;
1236 dev_desc->lun=0; /* just to fill something in... */
1238 #if 0 /* only used to test the powersaving mode,
1239 * if enabled, the drive goes after 5 sec
1240 * in standby mode */
1241 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1242 c = ide_wait (device, IDE_TIME_OUT);
1243 ide_outb (device, ATA_SECT_CNT, 1);
1244 ide_outb (device, ATA_LBA_LOW, 0);
1245 ide_outb (device, ATA_LBA_MID, 0);
1246 ide_outb (device, ATA_LBA_HIGH, 0);
1247 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1248 ide_outb (device, ATA_COMMAND, 0xe3);
1250 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1255 /* ------------------------------------------------------------------------- */
1257 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1261 unsigned char pwrsave=0; /* power save */
1263 unsigned char lba48 = 0;
1265 if (blknr & 0x0000fffff0000000) {
1266 /* more than 28 bits used, use 48bit mode */
1270 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1271 device, blknr, blkcnt, (ulong)buffer);
1273 ide_led (DEVICE_LED(device), 1); /* LED on */
1277 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1278 c = ide_wait (device, IDE_TIME_OUT);
1280 if (c & ATA_STAT_BUSY) {
1281 printf ("IDE read: device %d not ready\n", device);
1285 /* first check if the drive is in Powersaving mode, if yes,
1286 * increase the timeout value */
1287 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1290 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1292 if (c & ATA_STAT_BUSY) {
1293 printf ("IDE read: device %d not ready\n", device);
1296 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1297 printf ("No Powersaving mode %X\n", c);
1299 c = ide_inb(device,ATA_SECT_CNT);
1300 debug ("Powersaving %02X\n",c);
1306 while (blkcnt-- > 0) {
1308 c = ide_wait (device, IDE_TIME_OUT);
1310 if (c & ATA_STAT_BUSY) {
1311 printf ("IDE read: device %d not ready\n", device);
1316 /* write high bits */
1317 ide_outb (device, ATA_SECT_CNT, 0);
1318 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1319 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1320 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1323 ide_outb (device, ATA_SECT_CNT, 1);
1324 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1325 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1326 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1330 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1331 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1336 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1337 ATA_DEVICE(device) |
1338 ((blknr >> 24) & 0xF) );
1339 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1345 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1348 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1351 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1352 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1353 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1356 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1357 device, (ulong)blknr, c);
1362 input_data (device, buffer, ATA_SECTORWORDS);
1363 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1367 buffer += ATA_BLOCKSIZE;
1370 ide_led (DEVICE_LED(device), 0); /* LED off */
1374 /* ------------------------------------------------------------------------- */
1377 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1382 unsigned char lba48 = 0;
1384 if (blknr & 0x0000fffff0000000) {
1385 /* more than 28 bits used, use 48bit mode */
1390 ide_led (DEVICE_LED(device), 1); /* LED on */
1394 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1396 while (blkcnt-- > 0) {
1398 c = ide_wait (device, IDE_TIME_OUT);
1400 if (c & ATA_STAT_BUSY) {
1401 printf ("IDE read: device %d not ready\n", device);
1406 /* write high bits */
1407 ide_outb (device, ATA_SECT_CNT, 0);
1408 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1409 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1410 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1413 ide_outb (device, ATA_SECT_CNT, 1);
1414 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1415 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1416 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1420 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1421 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1426 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1427 ATA_DEVICE(device) |
1428 ((blknr >> 24) & 0xF) );
1429 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1434 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1436 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1437 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1438 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1441 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1442 device, (ulong)blknr, c);
1447 output_data (device, buffer, ATA_SECTORWORDS);
1448 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1451 buffer += ATA_BLOCKSIZE;
1454 ide_led (DEVICE_LED(device), 0); /* LED off */
1458 /* ------------------------------------------------------------------------- */
1461 * copy src to dest, skipping leading and trailing blanks and null
1462 * terminate the string
1463 * "len" is the size of available memory including the terminating '\0'
1465 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1467 unsigned char *end, *last;
1470 end = src + len - 1;
1472 /* reserve space for '\0' */
1476 /* skip leading white space */
1477 while ((*src) && (src<end) && (*src==' '))
1480 /* copy string, omitting trailing white space */
1481 while ((*src) && (src<end)) {
1490 /* ------------------------------------------------------------------------- */
1493 * Wait until Busy bit is off, or timeout (in ms)
1494 * Return last status
1496 static uchar ide_wait (int dev, ulong t)
1498 ulong delay = 10 * t; /* poll every 100 us */
1501 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1510 /* ------------------------------------------------------------------------- */
1512 #ifdef CONFIG_IDE_RESET
1513 extern void ide_set_reset(int idereset);
1515 static void ide_reset (void)
1517 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1518 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1523 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1525 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1526 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1528 ide_set_reset (1); /* assert reset */
1532 #ifdef CFG_PB_12V_ENABLE
1533 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1534 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1535 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1536 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1538 /* wait 500 ms for the voltage to stabilize
1540 for (i=0; i<500; ++i) {
1544 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1545 #endif /* CFG_PB_12V_ENABLE */
1547 #ifdef CFG_PB_IDE_MOTOR
1548 /* configure IDE Motor voltage monitor pin as input */
1549 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1550 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1551 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1553 /* wait up to 1 s for the motor voltage to stabilize
1555 for (i=0; i<1000; ++i) {
1556 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1562 if (i == 1000) { /* Timeout */
1563 printf ("\nWarning: 5V for IDE Motor missing\n");
1564 # ifdef CONFIG_STATUS_LED
1565 # ifdef STATUS_LED_YELLOW
1566 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1568 # ifdef STATUS_LED_GREEN
1569 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1571 # endif /* CONFIG_STATUS_LED */
1573 #endif /* CFG_PB_IDE_MOTOR */
1577 /* de-assert RESET signal */
1581 for (i=0; i<250; ++i) {
1586 #endif /* CONFIG_IDE_RESET */
1588 /* ------------------------------------------------------------------------- */
1590 #if defined(CONFIG_IDE_LED) && \
1591 !defined(CONFIG_AMIGAONEG3SE)&& \
1592 !defined(CONFIG_CPC45) && \
1593 !defined(CONFIG_HMI10) && \
1594 !defined(CONFIG_KUP4K) && \
1595 !defined(CONFIG_KUP4X)
1597 static uchar led_buffer = 0; /* Buffer for current LED status */
1599 static void ide_led (uchar led, uchar status)
1601 uchar *led_port = LED_PORT;
1603 if (status) { /* switch LED on */
1605 } else { /* switch LED off */
1609 *led_port = led_buffer;
1612 #endif /* CONFIG_IDE_LED */
1614 /* ------------------------------------------------------------------------- */
1617 /****************************************************************************
1621 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1622 /* since ATAPI may use commands with not 4 bytes alligned length
1623 * we have our own transfer functions, 2 bytes alligned */
1625 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1627 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1629 volatile uchar *pbuf_even;
1630 volatile uchar *pbuf_odd;
1632 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1633 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1636 *pbuf_even = *dbuf++;
1638 *pbuf_odd = *dbuf++;
1642 volatile ushort *pbuf;
1644 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1645 dbuf = (ushort *)sect_buf;
1647 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1657 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1659 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1661 volatile uchar *pbuf_even;
1662 volatile uchar *pbuf_odd;
1664 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1665 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1668 *dbuf++ = *pbuf_even;
1670 *dbuf++ = *pbuf_odd;
1674 volatile ushort *pbuf;
1676 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1677 dbuf = (ushort *)sect_buf;
1679 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1688 #else /* ! __PPC__ */
1690 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1692 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1696 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1698 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1701 #endif /* __PPC__ */
1704 * Wait until (Status & mask) == res, or timeout (in ms)
1705 * Return last status
1706 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1707 * and then they set their DRQ Bit
1709 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1711 ulong delay = 10 * t; /* poll every 100 us */
1714 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1715 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1716 /* break if error occurs (doesn't make sense to wait more) */
1717 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1728 * issue an atapi command
1730 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1732 unsigned char c,err,mask,res;
1734 ide_led (DEVICE_LED(device), 1); /* LED on */
1738 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1740 #ifdef CONFIG_AMIGAONEG3SE
1741 # warning THF: Removed LBA mode ???
1743 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1744 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1745 if ((c & mask) != res) {
1746 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1750 /* write taskfile */
1751 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1752 ide_outb (device, ATA_SECT_CNT, 0);
1753 ide_outb (device, ATA_SECT_NUM, 0);
1754 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1755 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1756 #ifdef CONFIG_AMIGAONEG3SE
1757 # warning THF: Removed LBA mode ???
1759 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1761 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1764 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1766 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1768 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1769 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1774 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1775 /* ATAPI Command written wait for completition */
1776 udelay (5000); /* device must set bsy */
1778 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1779 /* if no data wait for DRQ = 0 BSY = 0
1780 * if data wait for DRQ = 1 BSY = 0 */
1784 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1785 if ((c & mask) != res ) {
1786 if (c & ATA_STAT_ERR) {
1787 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1788 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1790 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1795 n=ide_inb(device, ATA_CYL_HIGH);
1797 n+=ide_inb(device, ATA_CYL_LOW);
1799 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1803 if((n==0)&&(buflen<0)) {
1804 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1809 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1811 if(n!=0) { /* data transfer */
1812 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1813 /* we transfer shorts */
1815 /* ok now decide if it is an in or output */
1816 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1817 debug ("Write to device\n");
1818 output_data_shorts(device,(unsigned short *)buffer,n);
1820 debug ("Read from device @ %p shorts %d\n",buffer,n);
1821 input_data_shorts(device,(unsigned short *)buffer,n);
1824 udelay(5000); /* seems that some CD ROMs need this... */
1825 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1827 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1828 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1829 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1830 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1835 ide_led (DEVICE_LED(device), 0); /* LED off */
1840 * sending the command to atapi_issue. If an status other than good
1841 * returns, an request_sense will be issued
1844 #define ATAPI_DRIVE_NOT_READY 100
1845 #define ATAPI_UNIT_ATTN 10
1847 unsigned char atapi_issue_autoreq (int device,
1850 unsigned char *buffer,
1853 unsigned char sense_data[18],sense_ccb[12];
1854 unsigned char res,key,asc,ascq;
1855 int notready,unitattn;
1857 #ifdef CONFIG_AMIGAONEG3SE
1859 unsigned int timeout, retrycnt;
1861 s = getenv("ide_cd_timeout");
1862 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1867 unitattn=ATAPI_UNIT_ATTN;
1868 notready=ATAPI_DRIVE_NOT_READY;
1871 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1873 return (0); /* Ok */
1876 return (0xFF); /* error */
1878 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1880 memset(sense_ccb,0,sizeof(sense_ccb));
1881 memset(sense_data,0,sizeof(sense_data));
1882 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1883 sense_ccb[4]=18; /* allocation Length */
1885 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1886 key=(sense_data[2]&0xF);
1887 asc=(sense_data[12]);
1888 ascq=(sense_data[13]);
1890 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1891 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1898 return 0; /* ok device ready */
1900 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1905 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1908 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1913 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1917 debug ("Media not present\n");
1921 #ifdef CONFIG_AMIGAONEG3SE
1922 if ((sense_data[2]&0xF)==0x0B) {
1923 debug ("ABORTED COMMAND...retry\n");
1929 if ((sense_data[2]&0xf) == 0x02 &&
1930 sense_data[12] == 0x04 &&
1931 sense_data[13] == 0x01 ) {
1932 debug ("Waiting for unit to become active\n");
1938 #endif /* CONFIG_AMIGAONEG3SE */
1940 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1942 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1947 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1949 unsigned char ccb[12]; /* Command descriptor block */
1950 unsigned char iobuf[64]; /* temp buf */
1954 device=dev_desc->dev;
1955 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1956 dev_desc->block_read=atapi_read;
1958 memset(ccb,0,sizeof(ccb));
1959 memset(iobuf,0,sizeof(iobuf));
1961 ccb[0]=ATAPI_CMD_INQUIRY;
1962 ccb[4]=40; /* allocation Legnth */
1963 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1965 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1969 /* copy device ident strings */
1970 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1971 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1972 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1977 dev_desc->type=iobuf[0] & 0x1f;
1979 if ((iobuf[1]&0x80)==0x80)
1980 dev_desc->removable = 1;
1982 dev_desc->removable = 0;
1984 memset(ccb,0,sizeof(ccb));
1985 memset(iobuf,0,sizeof(iobuf));
1986 ccb[0]=ATAPI_CMD_START_STOP;
1987 ccb[4]=0x03; /* start */
1989 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1991 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1995 memset(ccb,0,sizeof(ccb));
1996 memset(iobuf,0,sizeof(iobuf));
1997 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1999 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
2003 memset(ccb,0,sizeof(ccb));
2004 memset(iobuf,0,sizeof(iobuf));
2005 ccb[0]=ATAPI_CMD_READ_CAP;
2006 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
2007 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
2011 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
2012 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
2013 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2015 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2016 ((unsigned long)iobuf[1]<<16) +
2017 ((unsigned long)iobuf[2]<< 8) +
2018 ((unsigned long)iobuf[3]);
2019 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2020 ((unsigned long)iobuf[5]<<16) +
2021 ((unsigned long)iobuf[6]<< 8) +
2022 ((unsigned long)iobuf[7]);
2024 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2032 * we transfer only one block per command, since the multiple DRQ per
2033 * command is not yet implemented
2035 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2036 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2037 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2039 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2042 unsigned char ccb[12]; /* Command descriptor block */
2045 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2046 device, blknr, blkcnt, (ulong)buffer);
2049 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2050 cnt=ATAPI_READ_MAX_BLOCK;
2054 ccb[0]=ATAPI_CMD_READ_12;
2055 ccb[1]=0; /* reserved */
2056 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2057 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2058 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2059 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2060 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2061 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2062 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2063 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2064 ccb[10]=0; /* reserved */
2065 ccb[11]=0; /* reserved */
2067 if (atapi_issue_autoreq(device,ccb,12,
2068 (unsigned char *)buffer,
2069 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2075 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2076 } while (blkcnt > 0);
2080 /* ------------------------------------------------------------------------- */
2082 #endif /* CONFIG_ATAPI */
2086 "ide - IDE sub-system\n",
2087 "reset - reset IDE controller\n"
2088 "ide info - show available IDE devices\n"
2089 "ide device [dev] - show or set current device\n"
2090 "ide part [dev] - print partition table of one or all IDE devices\n"
2091 "ide read addr blk# cnt\n"
2092 "ide write addr blk# cnt - read/write `cnt'"
2093 " blocks starting at block `blk#'\n"
2094 " to/from memory address `addr'\n"
2098 diskboot, 3, 1, do_diskboot,
2099 "diskboot- boot from IDE device\n",
2100 "loadAddr dev:part\n"