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>
35 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
50 #ifdef CONFIG_STATUS_LED
51 # include <status_led.h>
57 /* Macros depend on this variable */
58 unsigned long mips_io_port_base = 0;
62 #ifdef CONFIG_SHOW_BOOT_PROGRESS
63 # include <status_led.h>
64 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
66 # define SHOW_BOOT_PROGRESS(arg)
69 #ifdef CONFIG_IDE_8xx_DIRECT
70 DECLARE_GLOBAL_DATA_PTR;
74 # define EIEIO __asm__ volatile ("eieio")
75 # define SYNC __asm__ volatile ("sync")
77 # define EIEIO /* nothing */
78 # define SYNC /* nothing */
81 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
83 #ifdef CONFIG_IDE_8xx_DIRECT
84 /* Timings for IDE Interface
86 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
87 * 70 165 30 PIO-Mode 0, [ns]
89 * 50 125 20 PIO-Mode 1, [ns]
91 * 30 100 15 PIO-Mode 2, [ns]
93 * 30 80 10 PIO-Mode 3, [ns]
95 * 25 70 10 PIO-Mode 4, [ns]
99 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
101 /* Setup Length Hold */
102 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
103 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
104 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
105 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
106 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
109 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
112 #define CFG_PIO_MODE 0 /* use a relaxed default */
114 static int pio_mode = CFG_PIO_MODE;
116 /* Make clock cycles and always round up */
118 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
120 #endif /* CONFIG_IDE_8xx_DIRECT */
122 /* ------------------------------------------------------------------------- */
124 /* Current I/O Device */
125 static int curr_device = -1;
127 /* Current offset for IDE0 / IDE1 bus access */
128 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
129 #if defined(CFG_ATA_IDE0_OFFSET)
132 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
138 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
140 #ifndef CONFIG_AMIGAONEG3SE
141 static int ide_bus_ok[CFG_IDE_MAXBUS];
143 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
146 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
147 /* ------------------------------------------------------------------------- */
149 #ifdef CONFIG_IDE_LED
150 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
151 static void ide_led (uchar led, uchar status);
153 extern void ide_led (uchar led, uchar status);
156 #ifndef CONFIG_AMIGAONEG3SE
157 #define ide_led(a,b) /* dummy */
159 extern void ide_led(uchar led, uchar status);
162 #define CONFIG_IDE_LED 1
163 #define DEVICE_LED(x) 1
167 #ifdef CONFIG_IDE_RESET
168 static void ide_reset (void);
170 #define ide_reset() /* dummy */
173 static void ide_ident (block_dev_desc_t *dev_desc);
174 static uchar ide_wait (int dev, ulong t);
176 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
178 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
180 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
182 static void __inline__ ide_outb(int dev, int port, unsigned char val);
183 static unsigned char __inline__ ide_inb(int dev, int port);
184 static void input_data(int dev, ulong *sect_buf, int words);
185 static void output_data(int dev, ulong *sect_buf, int words);
186 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
190 static void atapi_inquiry(block_dev_desc_t *dev_desc);
191 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
195 #ifdef CONFIG_IDE_8xx_DIRECT
196 static void set_pcmcia_timing (int pmode);
199 /* ------------------------------------------------------------------------- */
201 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
208 printf ("Usage:\n%s\n", cmdtp->usage);
211 if (strncmp(argv[1],"res",3) == 0) {
213 #ifdef CONFIG_IDE_8xx_DIRECT
214 " on PCMCIA " PCMCIA_SLOT_MSG
220 } else if (strncmp(argv[1],"inf",3) == 0) {
225 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
226 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
227 continue; /* list only known devices */
228 printf ("IDE device %d: ", i);
229 dev_print(&ide_dev_desc[i]);
233 } else if (strncmp(argv[1],"dev",3) == 0) {
234 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
235 puts ("\nno IDE devices available\n");
238 printf ("\nIDE device %d: ", curr_device);
239 dev_print(&ide_dev_desc[curr_device]);
241 } else if (strncmp(argv[1],"part",4) == 0) {
244 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
245 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
249 print_part(&ide_dev_desc[dev]);
253 puts ("\nno IDE devices available\n");
258 printf ("Usage:\n%s\n", cmdtp->usage);
261 if (strncmp(argv[1],"dev",3) == 0) {
262 int dev = (int)simple_strtoul(argv[2], NULL, 10);
264 printf ("\nIDE device %d: ", dev);
265 if (dev >= CFG_IDE_MAXDEVICE) {
266 puts ("unknown device\n");
269 dev_print(&ide_dev_desc[dev]);
272 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
278 puts ("... is now current device\n");
281 } else if (strncmp(argv[1],"part",4) == 0) {
282 int dev = (int)simple_strtoul(argv[2], NULL, 10);
284 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
285 print_part(&ide_dev_desc[dev]);
287 printf ("\nIDE device %d not available\n", dev);
292 } else if (strncmp(argv[1],"pio",4) == 0) {
293 int mode = (int)simple_strtoul(argv[2], NULL, 10);
295 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
300 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
301 mode, IDE_MAX_PIO_MODE);
307 printf ("Usage:\n%s\n", cmdtp->usage);
310 /* at least 4 args */
312 if (strcmp(argv[1],"read") == 0) {
313 ulong addr = simple_strtoul(argv[2], NULL, 16);
314 ulong cnt = simple_strtoul(argv[4], NULL, 16);
316 #ifdef CFG_64BIT_STRTOUL
317 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
319 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
320 curr_device, blk, cnt);
322 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
324 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
325 curr_device, blk, cnt);
328 n = ide_dev_desc[curr_device].block_read (curr_device,
331 /* flush cache after read */
332 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
334 printf ("%ld blocks read: %s\n",
335 n, (n==cnt) ? "OK" : "ERROR");
341 } else if (strcmp(argv[1],"write") == 0) {
342 ulong addr = simple_strtoul(argv[2], NULL, 16);
343 ulong cnt = simple_strtoul(argv[4], NULL, 16);
345 #ifdef CFG_64BIT_STRTOUL
346 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
348 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
349 curr_device, blk, cnt);
351 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
353 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
354 curr_device, blk, cnt);
357 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
359 printf ("%ld blocks written: %s\n",
360 n, (n==cnt) ? "OK" : "ERROR");
367 printf ("Usage:\n%s\n", cmdtp->usage);
375 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
377 char *boot_device = NULL;
380 ulong addr, cnt, checksum;
381 disk_partition_t info;
387 addr = CFG_LOAD_ADDR;
388 boot_device = getenv ("bootdevice");
391 addr = simple_strtoul(argv[1], NULL, 16);
392 boot_device = getenv ("bootdevice");
395 addr = simple_strtoul(argv[1], NULL, 16);
396 boot_device = argv[2];
399 printf ("Usage:\n%s\n", cmdtp->usage);
400 SHOW_BOOT_PROGRESS (-1);
405 puts ("\n** No boot device **\n");
406 SHOW_BOOT_PROGRESS (-1);
410 dev = simple_strtoul(boot_device, &ep, 16);
412 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
413 printf ("\n** Device %d not available\n", dev);
414 SHOW_BOOT_PROGRESS (-1);
420 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
421 SHOW_BOOT_PROGRESS (-1);
424 part = simple_strtoul(++ep, NULL, 16);
426 if (get_partition_info (ide_dev_desc, part, &info)) {
427 SHOW_BOOT_PROGRESS (-1);
430 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
431 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
432 printf ("\n** Invalid partition type \"%.32s\""
433 " (expect \"" BOOT_PART_TYPE "\")\n",
435 SHOW_BOOT_PROGRESS (-1);
439 printf ("\nLoading from IDE device %d, partition %d: "
440 "Name: %.32s Type: %.32s\n",
441 dev, part, info.name, info.type);
443 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
444 info.start, info.size, info.blksz);
446 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
447 printf ("** Read error on %d:%d\n", dev, part);
448 SHOW_BOOT_PROGRESS (-1);
452 hdr = (image_header_t *)addr;
454 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
455 printf("\n** Bad Magic Number **\n");
456 SHOW_BOOT_PROGRESS (-1);
460 checksum = ntohl(hdr->ih_hcrc);
463 if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) {
464 puts ("\n** Bad Header Checksum **\n");
465 SHOW_BOOT_PROGRESS (-2);
468 hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */
470 print_image_hdr (hdr);
472 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
473 cnt += info.blksz - 1;
477 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
478 (ulong *)(addr+info.blksz)) != cnt) {
479 printf ("** Read error on %d:%d\n", dev, part);
480 SHOW_BOOT_PROGRESS (-1);
485 /* Loading ok, update default load address */
489 /* Check if we should attempt an auto-start */
490 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
492 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
494 local_args[0] = argv[0];
495 local_args[1] = NULL;
497 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
499 do_bootm (cmdtp, 0, 1, local_args);
505 /* ------------------------------------------------------------------------- */
510 #ifdef CONFIG_IDE_8xx_DIRECT
511 volatile immap_t *immr = (immap_t *)CFG_IMMR;
512 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
516 #ifdef CONFIG_AMIGAONEG3SE
517 unsigned int max_bus_scan;
518 unsigned int ata_reset_time;
521 #ifdef CONFIG_IDE_8xx_PCCARD
522 extern int pcmcia_on (void);
523 extern int ide_devices_found; /* Initialized in check_ide_device() */
524 #endif /* CONFIG_IDE_8xx_PCCARD */
526 #ifdef CONFIG_IDE_PREINIT
527 extern int ide_preinit (void);
530 if (ide_preinit ()) {
531 puts ("ide_preinit failed\n");
534 #endif /* CONFIG_IDE_PREINIT */
536 #ifdef CONFIG_IDE_8xx_PCCARD
537 extern int pcmcia_on (void);
538 extern int ide_devices_found; /* Initialized in check_ide_device() */
542 ide_devices_found = 0;
543 /* initialize the PCMCIA IDE adapter card */
545 if (!ide_devices_found)
547 udelay (1000000); /* 1 s */
548 #endif /* CONFIG_IDE_8xx_PCCARD */
552 #ifdef CONFIG_IDE_8xx_DIRECT
553 /* Initialize PIO timing tables */
554 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
555 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
557 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
559 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
561 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
563 " hold=%2d ns/%d clk\n",
565 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
566 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
567 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
569 #endif /* CONFIG_IDE_8xx_DIRECT */
571 /* Reset the IDE just to be sure.
572 * Light LED's to show
574 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
575 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
577 #ifdef CONFIG_IDE_8xx_DIRECT
578 /* PCMCIA / IDE initialization for common mem space */
579 pcmp->pcmc_pgcrb = 0;
581 /* start in PIO mode 0 - most relaxed timings */
583 set_pcmcia_timing (pio_mode);
584 #endif /* CONFIG_IDE_8xx_DIRECT */
587 * Wait for IDE to get ready.
588 * According to spec, this can take up to 31 seconds!
590 #ifndef CONFIG_AMIGAONEG3SE
591 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
592 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
594 s = getenv("ide_maxbus");
596 max_bus_scan = simple_strtol(s, NULL, 10);
598 max_bus_scan = CFG_IDE_MAXBUS;
600 for (bus=0; bus<max_bus_scan; ++bus) {
601 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
604 #ifdef CONFIG_IDE_8xx_PCCARD
605 /* Skip non-ide devices from probing */
606 if ((ide_devices_found & (1 << bus)) == 0) {
607 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
611 printf ("Bus %d: ", bus);
617 udelay (100000); /* 100 ms */
618 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
619 udelay (100000); /* 100 ms */
620 #ifdef CONFIG_AMIGAONEG3SE
621 ata_reset_time = ATA_RESET_TIME;
622 s = getenv("ide_reset_timeout");
623 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
627 udelay (10000); /* 10 ms */
629 c = ide_inb (dev, ATA_STATUS);
631 #ifdef CONFIG_AMIGAONEG3SE
632 if (i > (ata_reset_time * 100)) {
634 if (i > (ATA_RESET_TIME * 100)) {
636 puts ("** Timeout **\n");
637 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
638 #ifdef CONFIG_AMIGAONEG3SE
639 /* If this is the second bus, the first one was OK */
647 if ((i >= 100) && ((i%100)==0)) {
650 } while (c & ATA_STAT_BUSY);
652 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
653 puts ("not available ");
654 debug ("Status = 0x%02X ", c);
655 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
656 } else if ((c & ATA_STAT_READY) == 0) {
657 puts ("not available ");
658 debug ("Status = 0x%02X ", c);
667 #ifdef CONFIG_AMIGAONEG3SE
672 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
675 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
676 #ifdef CONFIG_IDE_LED
677 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
679 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
680 ide_dev_desc[i].if_type=IF_TYPE_IDE;
681 ide_dev_desc[i].dev=i;
682 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
683 ide_dev_desc[i].blksz=0;
684 ide_dev_desc[i].lba=0;
685 ide_dev_desc[i].block_read=ide_read;
686 if (!ide_bus_ok[IDE_BUS(i)])
688 ide_led (led, 1); /* LED on */
689 ide_ident(&ide_dev_desc[i]);
690 ide_led (led, 0); /* LED off */
691 dev_print(&ide_dev_desc[i]);
693 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
694 init_part (&ide_dev_desc[i]); /* initialize partition type */
702 /* ------------------------------------------------------------------------- */
704 block_dev_desc_t * ide_get_dev(int dev)
706 return (dev < CFG_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
710 #ifdef CONFIG_IDE_8xx_DIRECT
713 set_pcmcia_timing (int pmode)
715 volatile immap_t *immr = (immap_t *)CFG_IMMR;
716 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
719 debug ("Set timing for PIO Mode %d\n", pmode);
721 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
722 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
723 | PCMCIA_SL (pio_config_clk[pmode].t_length)
728 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
729 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
730 #if (CFG_PCMCIA_POR0 != 0)
734 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
736 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
737 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
738 #if (CFG_PCMCIA_POR1 != 0)
742 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
744 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
745 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
746 #if (CFG_PCMCIA_POR2 != 0)
750 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
752 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
753 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
754 #if (CFG_PCMCIA_POR3 != 0)
758 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
762 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
763 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
764 #if (CFG_PCMCIA_POR4 != 0)
768 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
770 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
771 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
772 #if (CFG_PCMCIA_POR5 != 0)
776 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
778 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
779 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
780 #if (CFG_PCMCIA_POR6 != 0)
784 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
786 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
787 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
788 #if (CFG_PCMCIA_POR7 != 0)
792 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
796 #endif /* CONFIG_IDE_8xx_DIRECT */
798 /* ------------------------------------------------------------------------- */
800 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
801 static void __inline__
802 ide_outb(int dev, int port, unsigned char val)
804 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
805 dev, port, val, (ATA_CURR_BASE(dev)+port));
807 /* Ensure I/O operations complete */
809 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
811 #else /* ! __PPC__ */
812 static void __inline__
813 ide_outb(int dev, int port, unsigned char val)
815 outb(val, ATA_CURR_BASE(dev)+port);
820 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
821 static unsigned char __inline__
822 ide_inb(int dev, int port)
825 /* Ensure I/O operations complete */
827 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
828 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
829 dev, port, (ATA_CURR_BASE(dev)+port), val);
832 #else /* ! __PPC__ */
833 static unsigned char __inline__
834 ide_inb(int dev, int port)
836 return inb(ATA_CURR_BASE(dev)+port);
841 # ifdef CONFIG_AMIGAONEG3SE
843 output_data_short(int dev, ulong *sect_buf, int words)
846 volatile ushort *pbuf;
848 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
849 dbuf = (ushort *)sect_buf;
859 # endif /* CONFIG_AMIGAONEG3SE */
862 /* We only need to swap data if we are running on a big endian cpu. */
863 /* But Au1x00 cpu:s already swaps data in big endian mode! */
864 #if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
865 #define input_swap_data(x,y,z) input_data(x,y,z)
868 input_swap_data(int dev, ulong *sect_buf, int words)
870 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
872 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
873 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
874 ushort *dbuf = (ushort *)sect_buf;
877 for (i=0; i<2; i++) {
878 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
879 *(uchar *)dbuf = *pbuf_odd;
884 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
885 ushort *dbuf = (ushort *)sect_buf;
887 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
891 *dbuf++ = swab16p((u16*)pbuf);
892 *dbuf++ = swab16p((u16*)pbuf);
894 *dbuf++ = ld_le16(pbuf);
895 *dbuf++ = ld_le16(pbuf);
900 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
903 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
905 output_data(int dev, ulong *sect_buf, int words)
907 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
909 volatile uchar *pbuf_even;
910 volatile uchar *pbuf_odd;
912 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
913 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
914 dbuf = (uchar *)sect_buf;
917 *pbuf_even = *dbuf++;
921 *pbuf_even = *dbuf++;
927 volatile ushort *pbuf;
929 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
930 dbuf = (ushort *)sect_buf;
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);
990 #else /* ! __PPC__ */
992 input_data(int dev, ulong *sect_buf, int words)
994 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
999 #ifdef CONFIG_AMIGAONEG3SE
1001 input_data_short(int dev, ulong *sect_buf, int words)
1004 volatile ushort *pbuf;
1006 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1007 dbuf = (ushort *)sect_buf;
1021 /* -------------------------------------------------------------------------
1023 static void ide_ident (block_dev_desc_t *dev_desc)
1025 ulong iobuf[ATA_SECTORWORDS];
1027 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1029 #ifdef CONFIG_AMIGAONEG3SE
1039 int mode, cycle_time;
1042 device=dev_desc->dev;
1043 printf (" Device %d: ", device);
1045 #ifdef CONFIG_AMIGAONEG3SE
1046 s = getenv("ide_maxbus");
1048 max_bus_scan = simple_strtol(s, NULL, 10);
1050 max_bus_scan = CFG_IDE_MAXBUS;
1052 if (device >= max_bus_scan*2) {
1053 dev_desc->type=DEV_TYPE_UNKNOWN;
1058 ide_led (DEVICE_LED(device), 1); /* LED on */
1061 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1062 dev_desc->if_type=IF_TYPE_IDE;
1068 /* Warning: This will be tricky to read */
1069 while (retries <= 1) {
1070 /* check signature */
1071 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1072 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1073 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1074 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1075 /* ATAPI Signature found */
1076 dev_desc->if_type=IF_TYPE_ATAPI;
1077 /* Start Ident Command
1079 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1081 * Wait for completion - ATAPI devices need more time
1084 c = ide_wait (device, ATAPI_TIME_OUT);
1088 /* Start Ident Command
1090 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1092 /* Wait for completion
1094 c = ide_wait (device, IDE_TIME_OUT);
1096 ide_led (DEVICE_LED(device), 0); /* LED off */
1098 if (((c & ATA_STAT_DRQ) == 0) ||
1099 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1101 #ifdef CONFIG_AMIGAONEG3SE
1102 s = getenv("ide_doreset");
1103 if (s && strcmp(s, "on") == 0)
1106 /* Need to soft reset the device in case it's an ATAPI... */
1107 debug ("Retrying...\n");
1108 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1110 ide_outb (device, ATA_COMMAND, 0x08);
1111 udelay (500000); /* 500 ms */
1115 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1124 } /* see above - ugly to read */
1126 if (retries == 2) /* Not found */
1130 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1132 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1133 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1134 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1135 #ifdef __LITTLE_ENDIAN
1137 * firmware revision and model number have Big Endian Byte
1138 * order in Word. Convert both to little endian.
1140 * See CF+ and CompactFlash Specification Revision 2.0:
1141 * 6.2.1.6: Identfy Drive, Table 39 for more details
1144 strswab (dev_desc->revision);
1145 strswab (dev_desc->vendor);
1146 #endif /* __LITTLE_ENDIAN */
1148 if ((iop->config & 0x0080)==0x0080)
1149 dev_desc->removable = 1;
1151 dev_desc->removable = 0;
1155 * Drive PIO mode autoselection
1159 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1160 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1162 debug ("Override tPIO -> 2\n");
1164 if (iop->field_valid & 2) { /* drive implements ATA2? */
1165 debug ("Drive implements ATA2\n");
1166 if (iop->capability & 8) { /* drive supports use_iordy? */
1167 cycle_time = iop->eide_pio_iordy;
1169 cycle_time = iop->eide_pio;
1171 debug ("cycle time = %d\n", cycle_time);
1173 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1174 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1175 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1176 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1178 printf ("PIO mode to use: PIO %d\n", mode);
1182 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1183 atapi_inquiry(dev_desc);
1186 #endif /* CONFIG_ATAPI */
1190 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1191 #else /* ! __BIG_ENDIAN */
1193 * do not swap shorts on little endian
1195 * See CF+ and CompactFlash Specification Revision 2.0:
1196 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1198 dev_desc->lba = iop->lba_capacity;
1199 #endif /* __BIG_ENDIAN */
1202 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1203 dev_desc->lba48 = 1;
1204 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1205 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1206 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1207 ((unsigned long long)iop->lba48_capacity[3] << 48);
1209 dev_desc->lba48 = 0;
1211 #endif /* CONFIG_LBA48 */
1213 dev_desc->type=DEV_TYPE_HARDDISK;
1214 dev_desc->blksz=ATA_BLOCKSIZE;
1215 dev_desc->lun=0; /* just to fill something in... */
1217 #if 0 /* only used to test the powersaving mode,
1218 * if enabled, the drive goes after 5 sec
1219 * in standby mode */
1220 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1221 c = ide_wait (device, IDE_TIME_OUT);
1222 ide_outb (device, ATA_SECT_CNT, 1);
1223 ide_outb (device, ATA_LBA_LOW, 0);
1224 ide_outb (device, ATA_LBA_MID, 0);
1225 ide_outb (device, ATA_LBA_HIGH, 0);
1226 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1227 ide_outb (device, ATA_COMMAND, 0xe3);
1229 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1234 /* ------------------------------------------------------------------------- */
1236 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1240 unsigned char pwrsave=0; /* power save */
1242 unsigned char lba48 = 0;
1244 if (blknr & 0x0000fffff0000000) {
1245 /* more than 28 bits used, use 48bit mode */
1249 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1250 device, blknr, blkcnt, (ulong)buffer);
1252 ide_led (DEVICE_LED(device), 1); /* LED on */
1256 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1257 c = ide_wait (device, IDE_TIME_OUT);
1259 if (c & ATA_STAT_BUSY) {
1260 printf ("IDE read: device %d not ready\n", device);
1264 /* first check if the drive is in Powersaving mode, if yes,
1265 * increase the timeout value */
1266 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1269 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1271 if (c & ATA_STAT_BUSY) {
1272 printf ("IDE read: device %d not ready\n", device);
1275 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1276 printf ("No Powersaving mode %X\n", c);
1278 c = ide_inb(device,ATA_SECT_CNT);
1279 debug ("Powersaving %02X\n",c);
1285 while (blkcnt-- > 0) {
1287 c = ide_wait (device, IDE_TIME_OUT);
1289 if (c & ATA_STAT_BUSY) {
1290 printf ("IDE read: device %d not ready\n", device);
1295 /* write high bits */
1296 ide_outb (device, ATA_SECT_CNT, 0);
1297 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1298 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1299 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1302 ide_outb (device, ATA_SECT_CNT, 1);
1303 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1304 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1305 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1309 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1310 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1315 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1316 ATA_DEVICE(device) |
1317 ((blknr >> 24) & 0xF) );
1318 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1324 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1327 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1330 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1331 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1332 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1335 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1336 device, (ulong)blknr, c);
1341 input_data (device, buffer, ATA_SECTORWORDS);
1342 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1346 buffer += ATA_SECTORWORDS;
1349 ide_led (DEVICE_LED(device), 0); /* LED off */
1353 /* ------------------------------------------------------------------------- */
1356 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1361 unsigned char lba48 = 0;
1363 if (blknr & 0x0000fffff0000000) {
1364 /* more than 28 bits used, use 48bit mode */
1369 ide_led (DEVICE_LED(device), 1); /* LED on */
1373 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1375 while (blkcnt-- > 0) {
1377 c = ide_wait (device, IDE_TIME_OUT);
1379 if (c & ATA_STAT_BUSY) {
1380 printf ("IDE read: device %d not ready\n", device);
1385 /* write high bits */
1386 ide_outb (device, ATA_SECT_CNT, 0);
1387 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1388 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1389 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
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(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1417 printf ("Error (no IRQ) dev %d blk %qd: 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_SECTORWORDS;
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(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1497 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1502 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1504 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1505 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1507 ide_set_reset (1); /* assert reset */
1511 #ifdef CFG_PB_12V_ENABLE
1512 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1513 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1514 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1515 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1517 /* wait 500 ms for the voltage to stabilize
1519 for (i=0; i<500; ++i) {
1523 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1524 #endif /* CFG_PB_12V_ENABLE */
1526 #ifdef CFG_PB_IDE_MOTOR
1527 /* configure IDE Motor voltage monitor pin as input */
1528 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1529 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1530 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1532 /* wait up to 1 s for the motor voltage to stabilize
1534 for (i=0; i<1000; ++i) {
1535 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1541 if (i == 1000) { /* Timeout */
1542 printf ("\nWarning: 5V for IDE Motor missing\n");
1543 # ifdef CONFIG_STATUS_LED
1544 # ifdef STATUS_LED_YELLOW
1545 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1547 # ifdef STATUS_LED_GREEN
1548 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1550 # endif /* CONFIG_STATUS_LED */
1552 #endif /* CFG_PB_IDE_MOTOR */
1556 /* de-assert RESET signal */
1560 for (i=0; i<250; ++i) {
1565 #endif /* CONFIG_IDE_RESET */
1567 /* ------------------------------------------------------------------------- */
1569 #if defined(CONFIG_IDE_LED) && \
1570 !defined(CONFIG_AMIGAONEG3SE)&& \
1571 !defined(CONFIG_CPC45) && \
1572 !defined(CONFIG_HMI10) && \
1573 !defined(CONFIG_KUP4K) && \
1574 !defined(CONFIG_KUP4X)
1576 static uchar led_buffer = 0; /* Buffer for current LED status */
1578 static void ide_led (uchar led, uchar status)
1580 uchar *led_port = LED_PORT;
1582 if (status) { /* switch LED on */
1584 } else { /* switch LED off */
1588 *led_port = led_buffer;
1591 #endif /* CONFIG_IDE_LED */
1593 /* ------------------------------------------------------------------------- */
1596 /****************************************************************************
1600 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1601 /* since ATAPI may use commands with not 4 bytes alligned length
1602 * we have our own transfer functions, 2 bytes alligned */
1604 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1606 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1608 volatile uchar *pbuf_even;
1609 volatile uchar *pbuf_odd;
1611 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1612 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1615 *pbuf_even = *dbuf++;
1617 *pbuf_odd = *dbuf++;
1621 volatile ushort *pbuf;
1623 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1624 dbuf = (ushort *)sect_buf;
1626 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1636 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1638 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1640 volatile uchar *pbuf_even;
1641 volatile uchar *pbuf_odd;
1643 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1644 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1647 *dbuf++ = *pbuf_even;
1649 *dbuf++ = *pbuf_odd;
1653 volatile ushort *pbuf;
1655 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1656 dbuf = (ushort *)sect_buf;
1658 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1667 #else /* ! __PPC__ */
1669 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1671 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1675 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1677 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1680 #endif /* __PPC__ */
1683 * Wait until (Status & mask) == res, or timeout (in ms)
1684 * Return last status
1685 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1686 * and then they set their DRQ Bit
1688 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1690 ulong delay = 10 * t; /* poll every 100 us */
1693 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1694 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1695 /* break if error occurs (doesn't make sense to wait more) */
1696 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1707 * issue an atapi command
1709 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1711 unsigned char c,err,mask,res;
1713 ide_led (DEVICE_LED(device), 1); /* LED on */
1717 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1719 #ifdef CONFIG_AMIGAONEG3SE
1720 # warning THF: Removed LBA mode ???
1722 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1723 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1724 if ((c & mask) != res) {
1725 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1729 /* write taskfile */
1730 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1731 ide_outb (device, ATA_SECT_CNT, 0);
1732 ide_outb (device, ATA_SECT_NUM, 0);
1733 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1734 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1735 #ifdef CONFIG_AMIGAONEG3SE
1736 # warning THF: Removed LBA mode ???
1738 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1740 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1743 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1745 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1747 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1748 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1753 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1754 /* ATAPI Command written wait for completition */
1755 udelay (5000); /* device must set bsy */
1757 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1758 /* if no data wait for DRQ = 0 BSY = 0
1759 * if data wait for DRQ = 1 BSY = 0 */
1763 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1764 if ((c & mask) != res ) {
1765 if (c & ATA_STAT_ERR) {
1766 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1767 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1769 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1774 n=ide_inb(device, ATA_CYL_HIGH);
1776 n+=ide_inb(device, ATA_CYL_LOW);
1778 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1782 if((n==0)&&(buflen<0)) {
1783 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1788 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1790 if(n!=0) { /* data transfer */
1791 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1792 /* we transfer shorts */
1794 /* ok now decide if it is an in or output */
1795 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1796 debug ("Write to device\n");
1797 output_data_shorts(device,(unsigned short *)buffer,n);
1799 debug ("Read from device @ %p shorts %d\n",buffer,n);
1800 input_data_shorts(device,(unsigned short *)buffer,n);
1803 udelay(5000); /* seems that some CD ROMs need this... */
1804 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1806 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1807 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1808 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1809 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1814 ide_led (DEVICE_LED(device), 0); /* LED off */
1819 * sending the command to atapi_issue. If an status other than good
1820 * returns, an request_sense will be issued
1823 #define ATAPI_DRIVE_NOT_READY 100
1824 #define ATAPI_UNIT_ATTN 10
1826 unsigned char atapi_issue_autoreq (int device,
1829 unsigned char *buffer,
1832 unsigned char sense_data[18],sense_ccb[12];
1833 unsigned char res,key,asc,ascq;
1834 int notready,unitattn;
1836 #ifdef CONFIG_AMIGAONEG3SE
1838 unsigned int timeout, retrycnt;
1840 s = getenv("ide_cd_timeout");
1841 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1846 unitattn=ATAPI_UNIT_ATTN;
1847 notready=ATAPI_DRIVE_NOT_READY;
1850 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1852 return (0); /* Ok */
1855 return (0xFF); /* error */
1857 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1859 memset(sense_ccb,0,sizeof(sense_ccb));
1860 memset(sense_data,0,sizeof(sense_data));
1861 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1862 sense_ccb[4]=18; /* allocation Length */
1864 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1865 key=(sense_data[2]&0xF);
1866 asc=(sense_data[12]);
1867 ascq=(sense_data[13]);
1869 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1870 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1877 return 0; /* ok device ready */
1879 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1884 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1887 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1892 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1896 debug ("Media not present\n");
1900 #ifdef CONFIG_AMIGAONEG3SE
1901 if ((sense_data[2]&0xF)==0x0B) {
1902 debug ("ABORTED COMMAND...retry\n");
1908 if ((sense_data[2]&0xf) == 0x02 &&
1909 sense_data[12] == 0x04 &&
1910 sense_data[13] == 0x01 ) {
1911 debug ("Waiting for unit to become active\n");
1917 #endif /* CONFIG_AMIGAONEG3SE */
1919 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1921 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1926 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1928 unsigned char ccb[12]; /* Command descriptor block */
1929 unsigned char iobuf[64]; /* temp buf */
1933 device=dev_desc->dev;
1934 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1935 dev_desc->block_read=atapi_read;
1937 memset(ccb,0,sizeof(ccb));
1938 memset(iobuf,0,sizeof(iobuf));
1940 ccb[0]=ATAPI_CMD_INQUIRY;
1941 ccb[4]=40; /* allocation Legnth */
1942 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1944 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1948 /* copy device ident strings */
1949 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1950 ident_cpy(dev_desc->product,&iobuf[16],16);
1951 ident_cpy(dev_desc->revision,&iobuf[32],5);
1956 dev_desc->type=iobuf[0] & 0x1f;
1958 if ((iobuf[1]&0x80)==0x80)
1959 dev_desc->removable = 1;
1961 dev_desc->removable = 0;
1963 memset(ccb,0,sizeof(ccb));
1964 memset(iobuf,0,sizeof(iobuf));
1965 ccb[0]=ATAPI_CMD_START_STOP;
1966 ccb[4]=0x03; /* start */
1968 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1970 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1974 memset(ccb,0,sizeof(ccb));
1975 memset(iobuf,0,sizeof(iobuf));
1976 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1978 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1982 memset(ccb,0,sizeof(ccb));
1983 memset(iobuf,0,sizeof(iobuf));
1984 ccb[0]=ATAPI_CMD_READ_CAP;
1985 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1986 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1990 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1991 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1992 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1994 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1995 ((unsigned long)iobuf[1]<<16) +
1996 ((unsigned long)iobuf[2]<< 8) +
1997 ((unsigned long)iobuf[3]);
1998 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1999 ((unsigned long)iobuf[5]<<16) +
2000 ((unsigned long)iobuf[6]<< 8) +
2001 ((unsigned long)iobuf[7]);
2003 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2011 * we transfer only one block per command, since the multiple DRQ per
2012 * command is not yet implemented
2014 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2015 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2016 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2018 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
2021 unsigned char ccb[12]; /* Command descriptor block */
2024 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2025 device, blknr, blkcnt, (ulong)buffer);
2028 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2029 cnt=ATAPI_READ_MAX_BLOCK;
2033 ccb[0]=ATAPI_CMD_READ_12;
2034 ccb[1]=0; /* reserved */
2035 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2036 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2037 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2038 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2039 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2040 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2041 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2042 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2043 ccb[10]=0; /* reserved */
2044 ccb[11]=0; /* reserved */
2046 if (atapi_issue_autoreq(device,ccb,12,
2047 (unsigned char *)buffer,
2048 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2054 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2055 } while (blkcnt > 0);
2059 /* ------------------------------------------------------------------------- */
2061 #endif /* CONFIG_ATAPI */
2065 "ide - IDE sub-system\n",
2066 "reset - reset IDE controller\n"
2067 "ide info - show available IDE devices\n"
2068 "ide device [dev] - show or set current device\n"
2069 "ide part [dev] - print partition table of one or all IDE devices\n"
2070 "ide read addr blk# cnt\n"
2071 "ide write addr blk# cnt - read/write `cnt'"
2072 " blocks starting at block `blk#'\n"
2073 " to/from memory address `addr'\n"
2077 diskboot, 3, 1, do_diskboot,
2078 "diskboot- boot from IDE device\n",
2079 "loadAddr dev:part\n"
2082 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */