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>
58 /* Macros depend on this variable */
59 unsigned long mips_io_port_base = 0;
63 #ifdef CONFIG_IDE_8xx_DIRECT
64 DECLARE_GLOBAL_DATA_PTR;
68 # define EIEIO __asm__ volatile ("eieio")
69 # define SYNC __asm__ volatile ("sync")
71 # define EIEIO /* nothing */
72 # define SYNC /* nothing */
75 #if defined(CONFIG_CMD_IDE)
77 #ifdef CONFIG_IDE_8xx_DIRECT
78 /* Timings for IDE Interface
80 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
81 * 70 165 30 PIO-Mode 0, [ns]
83 * 50 125 20 PIO-Mode 1, [ns]
85 * 30 100 15 PIO-Mode 2, [ns]
87 * 30 80 10 PIO-Mode 3, [ns]
89 * 25 70 10 PIO-Mode 4, [ns]
93 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
95 /* Setup Length Hold */
96 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
97 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
98 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
99 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
100 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
103 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
106 #define CFG_PIO_MODE 0 /* use a relaxed default */
108 static int pio_mode = CFG_PIO_MODE;
110 /* Make clock cycles and always round up */
112 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
114 #endif /* CONFIG_IDE_8xx_DIRECT */
116 /* ------------------------------------------------------------------------- */
118 /* Current I/O Device */
119 static int curr_device = -1;
121 /* Current offset for IDE0 / IDE1 bus access */
122 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
123 #if defined(CFG_ATA_IDE0_OFFSET)
126 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
143 static void ide_led (uchar led, uchar status);
145 extern void ide_led (uchar led, uchar status);
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
151 extern void ide_led(uchar led, uchar status);
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
162 #define ide_reset() /* dummy */
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
174 void inline ide_outb(int dev, int port, unsigned char val);
175 unsigned char inline ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
180 #ifndef CFG_ATA_PORT_ADDR
181 #define CFG_ATA_PORT_ADDR(port) (port)
185 static void atapi_inquiry(block_dev_desc_t *dev_desc);
186 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
190 #ifdef CONFIG_IDE_8xx_DIRECT
191 static void set_pcmcia_timing (int pmode);
194 /* ------------------------------------------------------------------------- */
196 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
203 printf ("Usage:\n%s\n", cmdtp->usage);
206 if (strncmp(argv[1],"res",3) == 0) {
208 #ifdef CONFIG_IDE_8xx_DIRECT
209 " on PCMCIA " PCMCIA_SLOT_MSG
215 } else if (strncmp(argv[1],"inf",3) == 0) {
220 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
221 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
222 continue; /* list only known devices */
223 printf ("IDE device %d: ", i);
224 dev_print(&ide_dev_desc[i]);
228 } else if (strncmp(argv[1],"dev",3) == 0) {
229 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
230 puts ("\nno IDE devices available\n");
233 printf ("\nIDE device %d: ", curr_device);
234 dev_print(&ide_dev_desc[curr_device]);
236 } else if (strncmp(argv[1],"part",4) == 0) {
239 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
240 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
244 print_part(&ide_dev_desc[dev]);
248 puts ("\nno IDE devices available\n");
253 printf ("Usage:\n%s\n", cmdtp->usage);
256 if (strncmp(argv[1],"dev",3) == 0) {
257 int dev = (int)simple_strtoul(argv[2], NULL, 10);
259 printf ("\nIDE device %d: ", dev);
260 if (dev >= CFG_IDE_MAXDEVICE) {
261 puts ("unknown device\n");
264 dev_print(&ide_dev_desc[dev]);
267 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
273 puts ("... is now current device\n");
276 } else if (strncmp(argv[1],"part",4) == 0) {
277 int dev = (int)simple_strtoul(argv[2], NULL, 10);
279 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
280 print_part(&ide_dev_desc[dev]);
282 printf ("\nIDE device %d not available\n", dev);
287 } else if (strncmp(argv[1],"pio",4) == 0) {
288 int mode = (int)simple_strtoul(argv[2], NULL, 10);
290 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
295 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
296 mode, IDE_MAX_PIO_MODE);
302 printf ("Usage:\n%s\n", cmdtp->usage);
305 /* at least 4 args */
307 if (strcmp(argv[1],"read") == 0) {
308 ulong addr = simple_strtoul(argv[2], NULL, 16);
309 ulong cnt = simple_strtoul(argv[4], NULL, 16);
311 #ifdef CFG_64BIT_STRTOUL
312 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
314 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
315 curr_device, blk, cnt);
317 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
319 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
320 curr_device, blk, cnt);
323 n = ide_dev_desc[curr_device].block_read (curr_device,
326 /* flush cache after read */
327 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
329 printf ("%ld blocks read: %s\n",
330 n, (n==cnt) ? "OK" : "ERROR");
336 } else if (strcmp(argv[1],"write") == 0) {
337 ulong addr = simple_strtoul(argv[2], NULL, 16);
338 ulong cnt = simple_strtoul(argv[4], NULL, 16);
340 #ifdef CFG_64BIT_STRTOUL
341 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
343 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
344 curr_device, blk, cnt);
346 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
348 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
349 curr_device, blk, cnt);
352 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
354 printf ("%ld blocks written: %s\n",
355 n, (n==cnt) ? "OK" : "ERROR");
362 printf ("Usage:\n%s\n", cmdtp->usage);
370 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
372 char *boot_device = NULL;
375 ulong addr, cnt, checksum;
376 disk_partition_t info;
380 show_boot_progress (41);
383 addr = CFG_LOAD_ADDR;
384 boot_device = getenv ("bootdevice");
387 addr = simple_strtoul(argv[1], NULL, 16);
388 boot_device = getenv ("bootdevice");
391 addr = simple_strtoul(argv[1], NULL, 16);
392 boot_device = argv[2];
395 printf ("Usage:\n%s\n", cmdtp->usage);
396 show_boot_progress (-42);
399 show_boot_progress (42);
402 puts ("\n** No boot device **\n");
403 show_boot_progress (-43);
406 show_boot_progress (43);
408 dev = simple_strtoul(boot_device, &ep, 16);
410 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
411 printf ("\n** Device %d not available\n", dev);
412 show_boot_progress (-44);
415 show_boot_progress (44);
419 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
420 show_boot_progress (-45);
423 part = simple_strtoul(++ep, NULL, 16);
425 show_boot_progress (45);
426 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
427 show_boot_progress (-46);
430 show_boot_progress (46);
431 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
432 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
433 printf ("\n** Invalid partition type \"%.32s\""
434 " (expect \"" BOOT_PART_TYPE "\")\n",
436 show_boot_progress (-47);
439 show_boot_progress (47);
441 printf ("\nLoading from IDE device %d, partition %d: "
442 "Name: %.32s Type: %.32s\n",
443 dev, part, info.name, info.type);
445 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
446 info.start, info.size, info.blksz);
448 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
449 printf ("** Read error on %d:%d\n", dev, part);
450 show_boot_progress (-48);
453 show_boot_progress (48);
455 hdr = (image_header_t *)addr;
457 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
458 printf("\n** Bad Magic Number **\n");
459 show_boot_progress (-49);
462 show_boot_progress (49);
464 checksum = ntohl(hdr->ih_hcrc);
467 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
468 puts ("\n** Bad Header Checksum **\n");
469 show_boot_progress (-50);
472 show_boot_progress (50);
473 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
475 print_image_hdr (hdr);
477 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
478 cnt += info.blksz - 1;
482 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
483 (ulong *)(addr+info.blksz)) != cnt) {
484 printf ("** Read error on %d:%d\n", dev, part);
485 show_boot_progress (-51);
488 show_boot_progress (51);
491 /* Loading ok, update default load address */
495 /* Check if we should attempt an auto-start */
496 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
498 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
500 local_args[0] = argv[0];
501 local_args[1] = NULL;
503 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
505 do_bootm (cmdtp, 0, 1, local_args);
511 /* ------------------------------------------------------------------------- */
516 #ifdef CONFIG_IDE_8xx_DIRECT
517 volatile immap_t *immr = (immap_t *)CFG_IMMR;
518 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
522 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
523 unsigned int ata_reset_time = ATA_RESET_TIME;
526 #ifdef CONFIG_AMIGAONEG3SE
527 unsigned int max_bus_scan;
529 #ifdef CONFIG_IDE_8xx_PCCARD
530 extern int pcmcia_on (void);
531 extern int ide_devices_found; /* Initialized in check_ide_device() */
532 #endif /* CONFIG_IDE_8xx_PCCARD */
534 #ifdef CONFIG_IDE_PREINIT
535 extern int ide_preinit (void);
538 if (ide_preinit ()) {
539 puts ("ide_preinit failed\n");
542 #endif /* CONFIG_IDE_PREINIT */
544 #ifdef CONFIG_IDE_8xx_PCCARD
545 extern int pcmcia_on (void);
546 extern int ide_devices_found; /* Initialized in check_ide_device() */
550 ide_devices_found = 0;
551 /* initialize the PCMCIA IDE adapter card */
553 if (!ide_devices_found)
555 udelay (1000000); /* 1 s */
556 #endif /* CONFIG_IDE_8xx_PCCARD */
560 #ifdef CONFIG_IDE_8xx_DIRECT
561 /* Initialize PIO timing tables */
562 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
563 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
565 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
567 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
569 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
571 " hold=%2d ns/%d clk\n",
573 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
574 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
575 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
577 #endif /* CONFIG_IDE_8xx_DIRECT */
579 /* Reset the IDE just to be sure.
580 * Light LED's to show
582 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
583 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
585 #ifdef CONFIG_IDE_8xx_DIRECT
586 /* PCMCIA / IDE initialization for common mem space */
587 pcmp->pcmc_pgcrb = 0;
589 /* start in PIO mode 0 - most relaxed timings */
591 set_pcmcia_timing (pio_mode);
592 #endif /* CONFIG_IDE_8xx_DIRECT */
595 * Wait for IDE to get ready.
596 * According to spec, this can take up to 31 seconds!
598 #ifndef CONFIG_AMIGAONEG3SE
599 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
600 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
602 s = getenv("ide_maxbus");
604 max_bus_scan = simple_strtol(s, NULL, 10);
606 max_bus_scan = CFG_IDE_MAXBUS;
608 for (bus=0; bus<max_bus_scan; ++bus) {
609 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
612 #ifdef CONFIG_IDE_8xx_PCCARD
613 /* Skip non-ide devices from probing */
614 if ((ide_devices_found & (1 << bus)) == 0) {
615 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
619 printf ("Bus %d: ", bus);
625 udelay (100000); /* 100 ms */
626 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
627 udelay (100000); /* 100 ms */
628 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
629 if ((s = getenv("ide_reset_timeout")) != NULL)
630 ata_reset_time = simple_strtol(s, NULL, 10);
634 udelay (10000); /* 10 ms */
636 c = ide_inb (dev, ATA_STATUS);
638 #if defined(CONFIG_AMIGAONEG3SE) || defined(CONFIG_SC3)
639 if (i > (ata_reset_time * 100)) {
641 if (i > (ATA_RESET_TIME * 100)) {
643 puts ("** Timeout **\n");
644 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
645 #ifdef CONFIG_AMIGAONEG3SE
646 /* If this is the second bus, the first one was OK */
654 if ((i >= 100) && ((i%100)==0)) {
657 } while (c & ATA_STAT_BUSY);
659 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
660 puts ("not available ");
661 debug ("Status = 0x%02X ", c);
662 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
663 } else if ((c & ATA_STAT_READY) == 0) {
664 puts ("not available ");
665 debug ("Status = 0x%02X ", c);
674 #ifdef CONFIG_AMIGAONEG3SE
679 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
682 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
683 #ifdef CONFIG_IDE_LED
684 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
686 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
687 ide_dev_desc[i].if_type=IF_TYPE_IDE;
688 ide_dev_desc[i].dev=i;
689 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
690 ide_dev_desc[i].blksz=0;
691 ide_dev_desc[i].lba=0;
692 ide_dev_desc[i].block_read=ide_read;
693 if (!ide_bus_ok[IDE_BUS(i)])
695 ide_led (led, 1); /* LED on */
696 ide_ident(&ide_dev_desc[i]);
697 ide_led (led, 0); /* LED off */
698 dev_print(&ide_dev_desc[i]);
700 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
701 init_part (&ide_dev_desc[i]); /* initialize partition type */
709 /* ------------------------------------------------------------------------- */
711 block_dev_desc_t * ide_get_dev(int dev)
713 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
717 #ifdef CONFIG_IDE_8xx_DIRECT
720 set_pcmcia_timing (int pmode)
722 volatile immap_t *immr = (immap_t *)CFG_IMMR;
723 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
726 debug ("Set timing for PIO Mode %d\n", pmode);
728 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
729 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
730 | PCMCIA_SL (pio_config_clk[pmode].t_length)
735 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
736 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
737 #if (CFG_PCMCIA_POR0 != 0)
741 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
743 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
744 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
745 #if (CFG_PCMCIA_POR1 != 0)
749 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
751 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
752 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
753 #if (CFG_PCMCIA_POR2 != 0)
757 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
759 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
760 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
761 #if (CFG_PCMCIA_POR3 != 0)
765 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
769 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
770 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
771 #if (CFG_PCMCIA_POR4 != 0)
775 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
777 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
778 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
779 #if (CFG_PCMCIA_POR5 != 0)
783 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
785 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
786 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
787 #if (CFG_PCMCIA_POR6 != 0)
791 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
793 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
794 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
795 #if (CFG_PCMCIA_POR7 != 0)
799 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
803 #endif /* CONFIG_IDE_8xx_DIRECT */
805 /* ------------------------------------------------------------------------- */
808 __ide_outb(int dev, int port, unsigned char val)
810 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
811 dev, port, val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
812 outb(val, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
814 void inline ide_outb (int dev, int port, unsigned char val)
815 __attribute__((weak, alias("__ide_outb")));
818 __ide_inb(int dev, int port)
821 val = inb((ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)));
822 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
823 dev, port, (ATA_CURR_BASE(dev)+CFG_ATA_PORT_ADDR(port)), val);
826 unsigned char inline ide_inb(int dev, int port)
827 __attribute__((weak, alias("__ide_inb")));
830 # ifdef CONFIG_AMIGAONEG3SE
832 output_data_short(int dev, ulong *sect_buf, int words)
835 volatile ushort *pbuf;
837 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
838 dbuf = (ushort *)sect_buf;
848 # endif /* CONFIG_AMIGAONEG3SE */
851 /* We only need to swap data if we are running on a big endian cpu. */
852 /* But Au1x00 cpu:s already swaps data in big endian mode! */
853 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
854 #define input_swap_data(x,y,z) input_data(x,y,z)
857 input_swap_data(int dev, ulong *sect_buf, int words)
859 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
861 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
862 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
863 ushort *dbuf = (ushort *)sect_buf;
866 for (i=0; i<2; i++) {
867 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
868 *(uchar *)dbuf = *pbuf_odd;
873 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
874 ushort *dbuf = (ushort *)sect_buf;
876 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
880 *dbuf++ = swab16p((u16*)pbuf);
881 *dbuf++ = swab16p((u16*)pbuf);
882 #elif defined(CONFIG_PCS440EP)
886 *dbuf++ = ld_le16(pbuf);
887 *dbuf++ = ld_le16(pbuf);
892 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
895 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
897 output_data(int dev, ulong *sect_buf, int words)
899 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
901 volatile uchar *pbuf_even;
902 volatile uchar *pbuf_odd;
904 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
905 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
906 dbuf = (uchar *)sect_buf;
909 *pbuf_even = *dbuf++;
913 *pbuf_even = *dbuf++;
919 volatile ushort *pbuf;
921 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
922 dbuf = (ushort *)sect_buf;
924 #if defined(CONFIG_PCS440EP)
925 /* not tested, because CF was write protected */
927 *pbuf = ld_le16(dbuf++);
929 *pbuf = ld_le16(dbuf++);
939 #else /* ! __PPC__ */
941 output_data(int dev, ulong *sect_buf, int words)
943 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
947 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
949 input_data(int dev, ulong *sect_buf, int words)
951 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
953 volatile uchar *pbuf_even;
954 volatile uchar *pbuf_odd;
956 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
957 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
958 dbuf = (uchar *)sect_buf;
960 *dbuf++ = *pbuf_even;
966 *dbuf++ = *pbuf_even;
975 volatile ushort *pbuf;
977 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
978 dbuf = (ushort *)sect_buf;
980 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
983 #if defined(CONFIG_PCS440EP)
985 *dbuf++ = ld_le16(pbuf);
987 *dbuf++ = ld_le16(pbuf);
997 #else /* ! __PPC__ */
999 input_data(int dev, ulong *sect_buf, int words)
1001 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
1004 #endif /* __PPC__ */
1006 #ifdef CONFIG_AMIGAONEG3SE
1008 input_data_short(int dev, ulong *sect_buf, int words)
1011 volatile ushort *pbuf;
1013 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1014 dbuf = (ushort *)sect_buf;
1028 /* -------------------------------------------------------------------------
1030 static void ide_ident (block_dev_desc_t *dev_desc)
1032 ulong iobuf[ATA_SECTORWORDS];
1034 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1036 #ifdef CONFIG_AMIGAONEG3SE
1046 int mode, cycle_time;
1049 device=dev_desc->dev;
1050 printf (" Device %d: ", device);
1052 #ifdef CONFIG_AMIGAONEG3SE
1053 s = getenv("ide_maxbus");
1055 max_bus_scan = simple_strtol(s, NULL, 10);
1057 max_bus_scan = CFG_IDE_MAXBUS;
1059 if (device >= max_bus_scan*2) {
1060 dev_desc->type=DEV_TYPE_UNKNOWN;
1065 ide_led (DEVICE_LED(device), 1); /* LED on */
1068 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1069 dev_desc->if_type=IF_TYPE_IDE;
1075 /* Warning: This will be tricky to read */
1076 while (retries <= 1) {
1077 /* check signature */
1078 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1079 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1080 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1081 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1082 /* ATAPI Signature found */
1083 dev_desc->if_type=IF_TYPE_ATAPI;
1084 /* Start Ident Command
1086 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1088 * Wait for completion - ATAPI devices need more time
1091 c = ide_wait (device, ATAPI_TIME_OUT);
1095 /* Start Ident Command
1097 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1099 /* Wait for completion
1101 c = ide_wait (device, IDE_TIME_OUT);
1103 ide_led (DEVICE_LED(device), 0); /* LED off */
1105 if (((c & ATA_STAT_DRQ) == 0) ||
1106 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1108 #ifdef CONFIG_AMIGAONEG3SE
1109 s = getenv("ide_doreset");
1110 if (s && strcmp(s, "on") == 0)
1113 /* Need to soft reset the device in case it's an ATAPI... */
1114 debug ("Retrying...\n");
1115 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1117 ide_outb (device, ATA_COMMAND, 0x08);
1118 udelay (500000); /* 500 ms */
1122 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1131 } /* see above - ugly to read */
1133 if (retries == 2) /* Not found */
1137 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1139 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1140 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1141 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1142 #ifdef __LITTLE_ENDIAN
1144 * firmware revision and model number have Big Endian Byte
1145 * order in Word. Convert both to little endian.
1147 * See CF+ and CompactFlash Specification Revision 2.0:
1148 * 6.2.1.6: Identfy Drive, Table 39 for more details
1151 strswab (dev_desc->revision);
1152 strswab (dev_desc->vendor);
1153 #endif /* __LITTLE_ENDIAN */
1155 if ((iop->config & 0x0080)==0x0080)
1156 dev_desc->removable = 1;
1158 dev_desc->removable = 0;
1162 * Drive PIO mode autoselection
1166 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1167 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1169 debug ("Override tPIO -> 2\n");
1171 if (iop->field_valid & 2) { /* drive implements ATA2? */
1172 debug ("Drive implements ATA2\n");
1173 if (iop->capability & 8) { /* drive supports use_iordy? */
1174 cycle_time = iop->eide_pio_iordy;
1176 cycle_time = iop->eide_pio;
1178 debug ("cycle time = %d\n", cycle_time);
1180 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1181 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1182 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1183 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1185 printf ("PIO mode to use: PIO %d\n", mode);
1189 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1190 atapi_inquiry(dev_desc);
1193 #endif /* CONFIG_ATAPI */
1197 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1198 #else /* ! __BIG_ENDIAN */
1200 * do not swap shorts on little endian
1202 * See CF+ and CompactFlash Specification Revision 2.0:
1203 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1205 dev_desc->lba = iop->lba_capacity;
1206 #endif /* __BIG_ENDIAN */
1209 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1210 dev_desc->lba48 = 1;
1211 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1212 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1213 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1214 ((unsigned long long)iop->lba48_capacity[3] << 48);
1216 dev_desc->lba48 = 0;
1218 #endif /* CONFIG_LBA48 */
1220 dev_desc->type=DEV_TYPE_HARDDISK;
1221 dev_desc->blksz=ATA_BLOCKSIZE;
1222 dev_desc->lun=0; /* just to fill something in... */
1224 #if 0 /* only used to test the powersaving mode,
1225 * if enabled, the drive goes after 5 sec
1226 * in standby mode */
1227 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1228 c = ide_wait (device, IDE_TIME_OUT);
1229 ide_outb (device, ATA_SECT_CNT, 1);
1230 ide_outb (device, ATA_LBA_LOW, 0);
1231 ide_outb (device, ATA_LBA_MID, 0);
1232 ide_outb (device, ATA_LBA_HIGH, 0);
1233 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1234 ide_outb (device, ATA_COMMAND, 0xe3);
1236 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1241 /* ------------------------------------------------------------------------- */
1243 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1247 unsigned char pwrsave=0; /* power save */
1249 unsigned char lba48 = 0;
1251 if (blknr & 0x0000fffff0000000) {
1252 /* more than 28 bits used, use 48bit mode */
1256 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1257 device, blknr, blkcnt, (ulong)buffer);
1259 ide_led (DEVICE_LED(device), 1); /* LED on */
1263 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1264 c = ide_wait (device, IDE_TIME_OUT);
1266 if (c & ATA_STAT_BUSY) {
1267 printf ("IDE read: device %d not ready\n", device);
1271 /* first check if the drive is in Powersaving mode, if yes,
1272 * increase the timeout value */
1273 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1276 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1278 if (c & ATA_STAT_BUSY) {
1279 printf ("IDE read: device %d not ready\n", device);
1282 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1283 printf ("No Powersaving mode %X\n", c);
1285 c = ide_inb(device,ATA_SECT_CNT);
1286 debug ("Powersaving %02X\n",c);
1292 while (blkcnt-- > 0) {
1294 c = ide_wait (device, IDE_TIME_OUT);
1296 if (c & ATA_STAT_BUSY) {
1297 printf ("IDE read: device %d not ready\n", device);
1302 /* write high bits */
1303 ide_outb (device, ATA_SECT_CNT, 0);
1304 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1305 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1306 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1309 ide_outb (device, ATA_SECT_CNT, 1);
1310 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1311 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1312 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1316 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1317 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1322 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1323 ATA_DEVICE(device) |
1324 ((blknr >> 24) & 0xF) );
1325 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1331 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1334 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1337 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1338 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1339 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1342 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1343 device, (ulong)blknr, c);
1348 input_data (device, buffer, ATA_SECTORWORDS);
1349 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1353 buffer += ATA_BLOCKSIZE;
1356 ide_led (DEVICE_LED(device), 0); /* LED off */
1360 /* ------------------------------------------------------------------------- */
1363 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1368 unsigned char lba48 = 0;
1370 if (blknr & 0x0000fffff0000000) {
1371 /* more than 28 bits used, use 48bit mode */
1376 ide_led (DEVICE_LED(device), 1); /* LED on */
1380 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1382 while (blkcnt-- > 0) {
1384 c = ide_wait (device, IDE_TIME_OUT);
1386 if (c & ATA_STAT_BUSY) {
1387 printf ("IDE read: device %d not ready\n", device);
1392 /* write high bits */
1393 ide_outb (device, ATA_SECT_CNT, 0);
1394 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1395 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1396 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1399 ide_outb (device, ATA_SECT_CNT, 1);
1400 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1401 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1402 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1406 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1407 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1412 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1413 ATA_DEVICE(device) |
1414 ((blknr >> 24) & 0xF) );
1415 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1420 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1422 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1423 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1424 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1427 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1428 device, (ulong)blknr, c);
1433 output_data (device, buffer, ATA_SECTORWORDS);
1434 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1437 buffer += ATA_BLOCKSIZE;
1440 ide_led (DEVICE_LED(device), 0); /* LED off */
1444 /* ------------------------------------------------------------------------- */
1447 * copy src to dest, skipping leading and trailing blanks and null
1448 * terminate the string
1449 * "len" is the size of available memory including the terminating '\0'
1451 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1453 unsigned char *end, *last;
1456 end = src + len - 1;
1458 /* reserve space for '\0' */
1462 /* skip leading white space */
1463 while ((*src) && (src<end) && (*src==' '))
1466 /* copy string, omitting trailing white space */
1467 while ((*src) && (src<end)) {
1476 /* ------------------------------------------------------------------------- */
1479 * Wait until Busy bit is off, or timeout (in ms)
1480 * Return last status
1482 static uchar ide_wait (int dev, ulong t)
1484 ulong delay = 10 * t; /* poll every 100 us */
1487 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1496 /* ------------------------------------------------------------------------- */
1498 #ifdef CONFIG_IDE_RESET
1499 extern void ide_set_reset(int idereset);
1501 static void ide_reset (void)
1503 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1504 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1509 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1511 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1512 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1514 ide_set_reset (1); /* assert reset */
1518 #ifdef CFG_PB_12V_ENABLE
1519 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1520 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1521 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1522 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1524 /* wait 500 ms for the voltage to stabilize
1526 for (i=0; i<500; ++i) {
1530 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1531 #endif /* CFG_PB_12V_ENABLE */
1533 #ifdef CFG_PB_IDE_MOTOR
1534 /* configure IDE Motor voltage monitor pin as input */
1535 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1536 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1537 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1539 /* wait up to 1 s for the motor voltage to stabilize
1541 for (i=0; i<1000; ++i) {
1542 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1548 if (i == 1000) { /* Timeout */
1549 printf ("\nWarning: 5V for IDE Motor missing\n");
1550 # ifdef CONFIG_STATUS_LED
1551 # ifdef STATUS_LED_YELLOW
1552 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1554 # ifdef STATUS_LED_GREEN
1555 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1557 # endif /* CONFIG_STATUS_LED */
1559 #endif /* CFG_PB_IDE_MOTOR */
1563 /* de-assert RESET signal */
1567 for (i=0; i<250; ++i) {
1572 #endif /* CONFIG_IDE_RESET */
1574 /* ------------------------------------------------------------------------- */
1576 #if defined(CONFIG_IDE_LED) && \
1577 !defined(CONFIG_AMIGAONEG3SE)&& \
1578 !defined(CONFIG_CPC45) && \
1579 !defined(CONFIG_HMI10) && \
1580 !defined(CONFIG_KUP4K) && \
1581 !defined(CONFIG_KUP4X)
1583 static uchar led_buffer = 0; /* Buffer for current LED status */
1585 static void ide_led (uchar led, uchar status)
1587 uchar *led_port = LED_PORT;
1589 if (status) { /* switch LED on */
1591 } else { /* switch LED off */
1595 *led_port = led_buffer;
1598 #endif /* CONFIG_IDE_LED */
1600 /* ------------------------------------------------------------------------- */
1603 /****************************************************************************
1607 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1608 /* since ATAPI may use commands with not 4 bytes alligned length
1609 * we have our own transfer functions, 2 bytes alligned */
1611 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1613 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1615 volatile uchar *pbuf_even;
1616 volatile uchar *pbuf_odd;
1618 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1619 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1622 *pbuf_even = *dbuf++;
1624 *pbuf_odd = *dbuf++;
1628 volatile ushort *pbuf;
1630 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1631 dbuf = (ushort *)sect_buf;
1633 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1643 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1645 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1647 volatile uchar *pbuf_even;
1648 volatile uchar *pbuf_odd;
1650 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1651 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1654 *dbuf++ = *pbuf_even;
1656 *dbuf++ = *pbuf_odd;
1660 volatile ushort *pbuf;
1662 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1663 dbuf = (ushort *)sect_buf;
1665 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1674 #else /* ! __PPC__ */
1676 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1678 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1682 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1684 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1687 #endif /* __PPC__ */
1690 * Wait until (Status & mask) == res, or timeout (in ms)
1691 * Return last status
1692 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1693 * and then they set their DRQ Bit
1695 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1697 ulong delay = 10 * t; /* poll every 100 us */
1700 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1701 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1702 /* break if error occurs (doesn't make sense to wait more) */
1703 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1714 * issue an atapi command
1716 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1718 unsigned char c,err,mask,res;
1720 ide_led (DEVICE_LED(device), 1); /* LED on */
1724 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1726 #ifdef CONFIG_AMIGAONEG3SE
1727 # warning THF: Removed LBA mode ???
1729 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1730 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1731 if ((c & mask) != res) {
1732 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1736 /* write taskfile */
1737 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1738 ide_outb (device, ATA_SECT_CNT, 0);
1739 ide_outb (device, ATA_SECT_NUM, 0);
1740 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1741 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1742 #ifdef CONFIG_AMIGAONEG3SE
1743 # warning THF: Removed LBA mode ???
1745 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1747 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1750 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1752 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1754 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1755 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1760 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1761 /* ATAPI Command written wait for completition */
1762 udelay (5000); /* device must set bsy */
1764 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1765 /* if no data wait for DRQ = 0 BSY = 0
1766 * if data wait for DRQ = 1 BSY = 0 */
1770 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1771 if ((c & mask) != res ) {
1772 if (c & ATA_STAT_ERR) {
1773 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1774 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1776 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1781 n=ide_inb(device, ATA_CYL_HIGH);
1783 n+=ide_inb(device, ATA_CYL_LOW);
1785 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1789 if((n==0)&&(buflen<0)) {
1790 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1795 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1797 if(n!=0) { /* data transfer */
1798 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1799 /* we transfer shorts */
1801 /* ok now decide if it is an in or output */
1802 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1803 debug ("Write to device\n");
1804 output_data_shorts(device,(unsigned short *)buffer,n);
1806 debug ("Read from device @ %p shorts %d\n",buffer,n);
1807 input_data_shorts(device,(unsigned short *)buffer,n);
1810 udelay(5000); /* seems that some CD ROMs need this... */
1811 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1813 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1814 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1815 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1816 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1821 ide_led (DEVICE_LED(device), 0); /* LED off */
1826 * sending the command to atapi_issue. If an status other than good
1827 * returns, an request_sense will be issued
1830 #define ATAPI_DRIVE_NOT_READY 100
1831 #define ATAPI_UNIT_ATTN 10
1833 unsigned char atapi_issue_autoreq (int device,
1836 unsigned char *buffer,
1839 unsigned char sense_data[18],sense_ccb[12];
1840 unsigned char res,key,asc,ascq;
1841 int notready,unitattn;
1843 #ifdef CONFIG_AMIGAONEG3SE
1845 unsigned int timeout, retrycnt;
1847 s = getenv("ide_cd_timeout");
1848 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1853 unitattn=ATAPI_UNIT_ATTN;
1854 notready=ATAPI_DRIVE_NOT_READY;
1857 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1859 return (0); /* Ok */
1862 return (0xFF); /* error */
1864 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1866 memset(sense_ccb,0,sizeof(sense_ccb));
1867 memset(sense_data,0,sizeof(sense_data));
1868 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1869 sense_ccb[4]=18; /* allocation Length */
1871 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1872 key=(sense_data[2]&0xF);
1873 asc=(sense_data[12]);
1874 ascq=(sense_data[13]);
1876 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1877 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1884 return 0; /* ok device ready */
1886 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1891 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1894 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1899 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1903 debug ("Media not present\n");
1907 #ifdef CONFIG_AMIGAONEG3SE
1908 if ((sense_data[2]&0xF)==0x0B) {
1909 debug ("ABORTED COMMAND...retry\n");
1915 if ((sense_data[2]&0xf) == 0x02 &&
1916 sense_data[12] == 0x04 &&
1917 sense_data[13] == 0x01 ) {
1918 debug ("Waiting for unit to become active\n");
1924 #endif /* CONFIG_AMIGAONEG3SE */
1926 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1928 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1933 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1935 unsigned char ccb[12]; /* Command descriptor block */
1936 unsigned char iobuf[64]; /* temp buf */
1940 device=dev_desc->dev;
1941 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1942 dev_desc->block_read=atapi_read;
1944 memset(ccb,0,sizeof(ccb));
1945 memset(iobuf,0,sizeof(iobuf));
1947 ccb[0]=ATAPI_CMD_INQUIRY;
1948 ccb[4]=40; /* allocation Legnth */
1949 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1951 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1955 /* copy device ident strings */
1956 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1957 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1958 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1963 dev_desc->type=iobuf[0] & 0x1f;
1965 if ((iobuf[1]&0x80)==0x80)
1966 dev_desc->removable = 1;
1968 dev_desc->removable = 0;
1970 memset(ccb,0,sizeof(ccb));
1971 memset(iobuf,0,sizeof(iobuf));
1972 ccb[0]=ATAPI_CMD_START_STOP;
1973 ccb[4]=0x03; /* start */
1975 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1977 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1981 memset(ccb,0,sizeof(ccb));
1982 memset(iobuf,0,sizeof(iobuf));
1983 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1985 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1989 memset(ccb,0,sizeof(ccb));
1990 memset(iobuf,0,sizeof(iobuf));
1991 ccb[0]=ATAPI_CMD_READ_CAP;
1992 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1993 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1997 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1998 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1999 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
2001 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
2002 ((unsigned long)iobuf[1]<<16) +
2003 ((unsigned long)iobuf[2]<< 8) +
2004 ((unsigned long)iobuf[3]);
2005 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
2006 ((unsigned long)iobuf[5]<<16) +
2007 ((unsigned long)iobuf[6]<< 8) +
2008 ((unsigned long)iobuf[7]);
2010 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2018 * we transfer only one block per command, since the multiple DRQ per
2019 * command is not yet implemented
2021 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2022 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2023 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2025 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2028 unsigned char ccb[12]; /* Command descriptor block */
2031 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2032 device, blknr, blkcnt, (ulong)buffer);
2035 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2036 cnt=ATAPI_READ_MAX_BLOCK;
2040 ccb[0]=ATAPI_CMD_READ_12;
2041 ccb[1]=0; /* reserved */
2042 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2043 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2044 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2045 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2046 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2047 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2048 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2049 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2050 ccb[10]=0; /* reserved */
2051 ccb[11]=0; /* reserved */
2053 if (atapi_issue_autoreq(device,ccb,12,
2054 (unsigned char *)buffer,
2055 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2061 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2062 } while (blkcnt > 0);
2066 /* ------------------------------------------------------------------------- */
2068 #endif /* CONFIG_ATAPI */
2072 "ide - IDE sub-system\n",
2073 "reset - reset IDE controller\n"
2074 "ide info - show available IDE devices\n"
2075 "ide device [dev] - show or set current device\n"
2076 "ide part [dev] - print partition table of one or all IDE devices\n"
2077 "ide read addr blk# cnt\n"
2078 "ide write addr blk# cnt - read/write `cnt'"
2079 " blocks starting at block `blk#'\n"
2080 " to/from memory address `addr'\n"
2084 diskboot, 3, 1, do_diskboot,
2085 "diskboot- boot from IDE device\n",
2086 "loadAddr dev:part\n"