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>
34 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
51 /* Macros depend on this variable */
52 static unsigned long mips_io_port_base = 0;
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
60 # define SHOW_BOOT_PROGRESS(arg)
64 # define EIEIO __asm__ volatile ("eieio")
65 # define SYNC __asm__ volatile ("sync")
67 # define EIEIO /* nothing */
68 # define SYNC /* nothing */
71 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
73 #ifdef CONFIG_IDE_8xx_DIRECT
74 /* Timings for IDE Interface
76 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
77 * 70 165 30 PIO-Mode 0, [ns]
79 * 50 125 20 PIO-Mode 1, [ns]
81 * 30 100 15 PIO-Mode 2, [ns]
83 * 30 80 10 PIO-Mode 3, [ns]
85 * 25 70 10 PIO-Mode 4, [ns]
89 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
91 /* Setup Length Hold */
92 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
93 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
94 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
95 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
96 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
99 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
102 #define CFG_PIO_MODE 0 /* use a relaxed default */
104 static int pio_mode = CFG_PIO_MODE;
106 /* Make clock cycles and always round up */
108 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
110 #endif /* CONFIG_IDE_8xx_DIRECT */
112 /* ------------------------------------------------------------------------- */
114 /* Current I/O Device */
115 static int curr_device = -1;
117 /* Current offset for IDE0 / IDE1 bus access */
118 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
119 #if defined(CFG_ATA_IDE0_OFFSET)
122 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
128 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
130 #ifndef CONFIG_AMIGAONEG3SE
131 static int ide_bus_ok[CFG_IDE_MAXBUS];
133 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
136 block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
137 /* ------------------------------------------------------------------------- */
139 #ifdef CONFIG_IDE_LED
140 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003) &&!defined(CONFIG_CPC45)
141 static void ide_led (uchar led, uchar status);
143 extern void ide_led (uchar led, uchar status);
146 #ifndef CONFIG_AMIGAONEG3SE
147 #define ide_led(a,b) /* dummy */
149 extern void ide_led(uchar led, uchar status);
152 #define CONFIG_IDE_LED 1
153 #define DEVICE_LED(x) 1
157 #ifdef CONFIG_IDE_RESET
158 static void ide_reset (void);
160 #define ide_reset() /* dummy */
163 static void ide_ident (block_dev_desc_t *dev_desc);
164 static uchar ide_wait (int dev, ulong t);
166 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
168 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
170 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
172 static void __inline__ ide_outb(int dev, int port, unsigned char val);
173 static unsigned char __inline__ ide_inb(int dev, int port);
174 static void input_data(int dev, ulong *sect_buf, int words);
175 static void output_data(int dev, ulong *sect_buf, int words);
176 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
180 static void atapi_inquiry(block_dev_desc_t *dev_desc);
181 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
185 #ifdef CONFIG_IDE_8xx_DIRECT
186 static void set_pcmcia_timing (int pmode);
189 /* ------------------------------------------------------------------------- */
191 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
198 printf ("Usage:\n%s\n", cmdtp->usage);
201 if (strncmp(argv[1],"res",3) == 0) {
203 #ifdef CONFIG_IDE_8xx_DIRECT
204 " on PCMCIA " PCMCIA_SLOT_MSG
210 } else if (strncmp(argv[1],"inf",3) == 0) {
215 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
216 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
217 continue; /* list only known devices */
218 printf ("IDE device %d: ", i);
219 dev_print(&ide_dev_desc[i]);
223 } else if (strncmp(argv[1],"dev",3) == 0) {
224 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
225 puts ("\nno IDE devices available\n");
228 printf ("\nIDE device %d: ", curr_device);
229 dev_print(&ide_dev_desc[curr_device]);
231 } else if (strncmp(argv[1],"part",4) == 0) {
234 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
235 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
239 print_part(&ide_dev_desc[dev]);
243 puts ("\nno IDE devices available\n");
248 printf ("Usage:\n%s\n", cmdtp->usage);
251 if (strncmp(argv[1],"dev",3) == 0) {
252 int dev = (int)simple_strtoul(argv[2], NULL, 10);
254 printf ("\nIDE device %d: ", dev);
255 if (dev >= CFG_IDE_MAXDEVICE) {
256 puts ("unknown device\n");
259 dev_print(&ide_dev_desc[dev]);
262 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
268 puts ("... is now current device\n");
271 } else if (strncmp(argv[1],"part",4) == 0) {
272 int dev = (int)simple_strtoul(argv[2], NULL, 10);
274 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
275 print_part(&ide_dev_desc[dev]);
277 printf ("\nIDE device %d not available\n", dev);
282 } else if (strncmp(argv[1],"pio",4) == 0) {
283 int mode = (int)simple_strtoul(argv[2], NULL, 10);
285 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
290 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
291 mode, IDE_MAX_PIO_MODE);
297 printf ("Usage:\n%s\n", cmdtp->usage);
300 /* at least 4 args */
302 if (strcmp(argv[1],"read") == 0) {
303 ulong addr = simple_strtoul(argv[2], NULL, 16);
304 ulong cnt = simple_strtoul(argv[4], NULL, 16);
306 #ifdef CFG_64BIT_STRTOUL
307 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
309 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
310 curr_device, blk, cnt);
312 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
314 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
315 curr_device, blk, cnt);
318 n = ide_dev_desc[curr_device].block_read (curr_device,
321 /* flush cache after read */
322 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
324 printf ("%ld blocks read: %s\n",
325 n, (n==cnt) ? "OK" : "ERROR");
331 } else if (strcmp(argv[1],"write") == 0) {
332 ulong addr = simple_strtoul(argv[2], NULL, 16);
333 ulong cnt = simple_strtoul(argv[4], NULL, 16);
335 #ifdef CFG_64BIT_STRTOUL
336 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
338 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
339 curr_device, blk, cnt);
341 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
343 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
344 curr_device, blk, cnt);
347 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
349 printf ("%ld blocks written: %s\n",
350 n, (n==cnt) ? "OK" : "ERROR");
357 printf ("Usage:\n%s\n", cmdtp->usage);
365 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
367 char *boot_device = NULL;
370 ulong addr, cnt, checksum;
371 disk_partition_t info;
377 addr = CFG_LOAD_ADDR;
378 boot_device = getenv ("bootdevice");
381 addr = simple_strtoul(argv[1], NULL, 16);
382 boot_device = getenv ("bootdevice");
385 addr = simple_strtoul(argv[1], NULL, 16);
386 boot_device = argv[2];
389 printf ("Usage:\n%s\n", cmdtp->usage);
390 SHOW_BOOT_PROGRESS (-1);
395 puts ("\n** No boot device **\n");
396 SHOW_BOOT_PROGRESS (-1);
400 dev = simple_strtoul(boot_device, &ep, 16);
402 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
403 printf ("\n** Device %d not available\n", dev);
404 SHOW_BOOT_PROGRESS (-1);
410 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
411 SHOW_BOOT_PROGRESS (-1);
414 part = simple_strtoul(++ep, NULL, 16);
416 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
417 SHOW_BOOT_PROGRESS (-1);
420 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
421 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
422 printf ("\n** Invalid partition type \"%.32s\""
423 " (expect \"" BOOT_PART_TYPE "\")\n",
425 SHOW_BOOT_PROGRESS (-1);
429 printf ("\nLoading from IDE device %d, partition %d: "
430 "Name: %.32s Type: %.32s\n",
431 dev, part, info.name, info.type);
433 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
434 info.start, info.size, info.blksz);
436 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
437 printf ("** Read error on %d:%d\n", dev, part);
438 SHOW_BOOT_PROGRESS (-1);
442 hdr = (image_header_t *)addr;
444 if (ntohl(hdr->ih_magic) != IH_MAGIC) {
445 printf("\n** Bad Magic Number **\n");
446 SHOW_BOOT_PROGRESS (-1);
450 checksum = ntohl(hdr->ih_hcrc);
453 if (crc32 (0, (char *)&hdr, sizeof(image_header_t)) != checksum) {
454 puts ("\n** Bad Header Checksum **\n");
455 SHOW_BOOT_PROGRESS (-2);
459 print_image_hdr (hdr);
461 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
462 cnt += info.blksz - 1;
466 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
467 (ulong *)(addr+info.blksz)) != cnt) {
468 printf ("** Read error on %d:%d\n", dev, part);
469 SHOW_BOOT_PROGRESS (-1);
474 /* Loading ok, update default load address */
478 /* Check if we should attempt an auto-start */
479 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
481 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
483 local_args[0] = argv[0];
484 local_args[1] = NULL;
486 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
488 do_bootm (cmdtp, 0, 1, local_args);
494 /* ------------------------------------------------------------------------- */
499 #ifdef CONFIG_IDE_8xx_DIRECT
500 DECLARE_GLOBAL_DATA_PTR;
501 volatile immap_t *immr = (immap_t *)CFG_IMMR;
502 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
506 #ifdef CONFIG_AMIGAONEG3SE
507 unsigned int max_bus_scan;
508 unsigned int ata_reset_time;
511 #ifdef CONFIG_IDE_8xx_PCCARD
512 extern int pcmcia_on (void);
513 extern int ide_devices_found; /* Initialized in check_ide_device() */
514 #endif /* CONFIG_IDE_8xx_PCCARD */
516 #ifdef CONFIG_IDE_PREINIT
517 extern int ide_preinit (void);
520 if (ide_preinit ()) {
521 puts ("ide_preinit failed\n");
524 #endif /* CONFIG_IDE_PREINIT */
526 #ifdef CONFIG_IDE_8xx_PCCARD
527 extern int pcmcia_on (void);
528 extern int ide_devices_found; /* Initialized in check_ide_device() */
532 ide_devices_found = 0;
533 /* initialize the PCMCIA IDE adapter card */
535 if (!ide_devices_found)
537 udelay (1000000); /* 1 s */
538 #endif /* CONFIG_IDE_8xx_PCCARD */
542 #ifdef CONFIG_IDE_8xx_DIRECT
543 /* Initialize PIO timing tables */
544 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
545 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
547 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
549 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
551 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
553 " hold=%2d ns/%d clk\n",
555 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
556 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
557 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
559 #endif /* CONFIG_IDE_8xx_DIRECT */
561 /* Reset the IDE just to be sure.
562 * Light LED's to show
564 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
565 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
567 #ifdef CONFIG_IDE_8xx_DIRECT
568 /* PCMCIA / IDE initialization for common mem space */
569 pcmp->pcmc_pgcrb = 0;
571 /* start in PIO mode 0 - most relaxed timings */
573 set_pcmcia_timing (pio_mode);
574 #endif /* CONFIG_IDE_8xx_DIRECT */
577 * Wait for IDE to get ready.
578 * According to spec, this can take up to 31 seconds!
580 #ifndef CONFIG_AMIGAONEG3SE
581 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
582 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
584 s = getenv("ide_maxbus");
586 max_bus_scan = simple_strtol(s, NULL, 10);
588 max_bus_scan = CFG_IDE_MAXBUS;
590 for (bus=0; bus<max_bus_scan; ++bus) {
591 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
594 #ifdef CONFIG_IDE_8xx_PCCARD
595 /* Skip non-ide devices from probing */
596 if ((ide_devices_found & (1 << bus)) == 0) {
597 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
601 printf ("Bus %d: ", bus);
607 udelay (100000); /* 100 ms */
608 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
609 udelay (100000); /* 100 ms */
610 #ifdef CONFIG_AMIGAONEG3SE
611 ata_reset_time = ATA_RESET_TIME;
612 s = getenv("ide_reset_timeout");
613 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
617 udelay (10000); /* 10 ms */
619 c = ide_inb (dev, ATA_STATUS);
621 #ifdef CONFIG_AMIGAONEG3SE
622 if (i > (ata_reset_time * 100)) {
624 if (i > (ATA_RESET_TIME * 100)) {
626 puts ("** Timeout **\n");
627 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
628 #ifdef CONFIG_AMIGAONEG3SE
629 /* If this is the second bus, the first one was OK */
637 if ((i >= 100) && ((i%100)==0)) {
640 } while (c & ATA_STAT_BUSY);
642 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
643 puts ("not available ");
644 debug ("Status = 0x%02X ", c);
645 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
646 } else if ((c & ATA_STAT_READY) == 0) {
647 puts ("not available ");
648 debug ("Status = 0x%02X ", c);
657 #ifdef CONFIG_AMIGAONEG3SE
662 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
665 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
666 #ifdef CONFIG_IDE_LED
667 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
669 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
670 ide_dev_desc[i].if_type=IF_TYPE_IDE;
671 ide_dev_desc[i].dev=i;
672 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
673 ide_dev_desc[i].blksz=0;
674 ide_dev_desc[i].lba=0;
675 ide_dev_desc[i].block_read=ide_read;
676 if (!ide_bus_ok[IDE_BUS(i)])
678 ide_led (led, 1); /* LED on */
679 ide_ident(&ide_dev_desc[i]);
680 ide_led (led, 0); /* LED off */
681 dev_print(&ide_dev_desc[i]);
683 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
684 init_part (&ide_dev_desc[i]); /* initialize partition type */
692 /* ------------------------------------------------------------------------- */
694 block_dev_desc_t * ide_get_dev(int dev)
696 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
700 #ifdef CONFIG_IDE_8xx_DIRECT
703 set_pcmcia_timing (int pmode)
705 volatile immap_t *immr = (immap_t *)CFG_IMMR;
706 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
709 debug ("Set timing for PIO Mode %d\n", pmode);
711 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
712 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
713 | PCMCIA_SL (pio_config_clk[pmode].t_length)
718 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
719 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
720 #if (CFG_PCMCIA_POR0 != 0)
724 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
726 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
727 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
728 #if (CFG_PCMCIA_POR1 != 0)
732 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
734 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
735 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
736 #if (CFG_PCMCIA_POR2 != 0)
740 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
742 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
743 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
744 #if (CFG_PCMCIA_POR3 != 0)
748 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
752 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
753 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
754 #if (CFG_PCMCIA_POR4 != 0)
758 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
760 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
761 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
762 #if (CFG_PCMCIA_POR5 != 0)
766 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
768 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
769 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
770 #if (CFG_PCMCIA_POR6 != 0)
774 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
776 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
777 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
778 #if (CFG_PCMCIA_POR7 != 0)
782 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
786 #endif /* CONFIG_IDE_8xx_DIRECT */
788 /* ------------------------------------------------------------------------- */
790 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
791 static void __inline__
792 ide_outb(int dev, int port, unsigned char val)
794 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
795 dev, port, val, (ATA_CURR_BASE(dev)+port));
797 /* Ensure I/O operations complete */
799 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
801 #else /* ! __PPC__ */
802 static void __inline__
803 ide_outb(int dev, int port, unsigned char val)
805 outb(val, ATA_CURR_BASE(dev)+port);
810 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
811 static unsigned char __inline__
812 ide_inb(int dev, int port)
815 /* Ensure I/O operations complete */
817 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
818 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
819 dev, port, (ATA_CURR_BASE(dev)+port), val);
822 #else /* ! __PPC__ */
823 static unsigned char __inline__
824 ide_inb(int dev, int port)
826 return inb(ATA_CURR_BASE(dev)+port);
831 # ifdef CONFIG_AMIGAONEG3SE
833 output_data_short(int dev, ulong *sect_buf, int words)
836 volatile ushort *pbuf;
838 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
839 dbuf = (ushort *)sect_buf;
849 # endif /* CONFIG_AMIGAONEG3SE */
852 /* We only need to swap data if we are running on a big endian cpu. */
853 /* But Au1x00 cpu:s already swaps data in big endian mode! */
854 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
855 #define input_swap_data(x,y,z) input_data(x,y,z)
858 input_swap_data(int dev, ulong *sect_buf, int words)
860 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
862 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
863 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
864 ushort *dbuf = (ushort *)sect_buf;
867 for (i=0; i<2; i++) {
868 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
869 *(uchar *)dbuf = *pbuf_odd;
874 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
875 ushort *dbuf = (ushort *)sect_buf;
877 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
880 *dbuf++ = ld_le16(pbuf);
881 *dbuf++ = ld_le16(pbuf);
885 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
888 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
890 output_data(int dev, ulong *sect_buf, int words)
892 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
894 volatile uchar *pbuf_even;
895 volatile uchar *pbuf_odd;
897 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
898 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
899 dbuf = (uchar *)sect_buf;
902 *pbuf_even = *dbuf++;
906 *pbuf_even = *dbuf++;
912 volatile ushort *pbuf;
914 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
915 dbuf = (ushort *)sect_buf;
924 #else /* ! __PPC__ */
926 output_data(int dev, ulong *sect_buf, int words)
928 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
932 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
934 input_data(int dev, ulong *sect_buf, int words)
936 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
938 volatile uchar *pbuf_even;
939 volatile uchar *pbuf_odd;
941 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
942 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
943 dbuf = (uchar *)sect_buf;
945 *dbuf++ = *pbuf_even;
951 *dbuf++ = *pbuf_even;
960 volatile ushort *pbuf;
962 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
963 dbuf = (ushort *)sect_buf;
965 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
975 #else /* ! __PPC__ */
977 input_data(int dev, ulong *sect_buf, int words)
979 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
984 #ifdef CONFIG_AMIGAONEG3SE
986 input_data_short(int dev, ulong *sect_buf, int words)
989 volatile ushort *pbuf;
991 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
992 dbuf = (ushort *)sect_buf;
1006 /* -------------------------------------------------------------------------
1008 static void ide_ident (block_dev_desc_t *dev_desc)
1010 ulong iobuf[ATA_SECTORWORDS];
1012 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1014 #ifdef CONFIG_AMIGAONEG3SE
1024 int mode, cycle_time;
1027 device=dev_desc->dev;
1028 printf (" Device %d: ", device);
1030 #ifdef CONFIG_AMIGAONEG3SE
1031 s = getenv("ide_maxbus");
1033 max_bus_scan = simple_strtol(s, NULL, 10);
1035 max_bus_scan = CFG_IDE_MAXBUS;
1037 if (device >= max_bus_scan*2) {
1038 dev_desc->type=DEV_TYPE_UNKNOWN;
1043 ide_led (DEVICE_LED(device), 1); /* LED on */
1046 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1047 dev_desc->if_type=IF_TYPE_IDE;
1053 /* Warning: This will be tricky to read */
1054 while (retries <= 1) {
1055 /* check signature */
1056 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1057 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1058 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1059 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1060 /* ATAPI Signature found */
1061 dev_desc->if_type=IF_TYPE_ATAPI;
1062 /* Start Ident Command
1064 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1066 * Wait for completion - ATAPI devices need more time
1069 c = ide_wait (device, ATAPI_TIME_OUT);
1073 /* Start Ident Command
1075 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1077 /* Wait for completion
1079 c = ide_wait (device, IDE_TIME_OUT);
1081 ide_led (DEVICE_LED(device), 0); /* LED off */
1083 if (((c & ATA_STAT_DRQ) == 0) ||
1084 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1086 #ifdef CONFIG_AMIGAONEG3SE
1087 s = getenv("ide_doreset");
1088 if (s && strcmp(s, "on") == 0)
1091 /* Need to soft reset the device in case it's an ATAPI... */
1092 debug ("Retrying...\n");
1093 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1095 ide_outb (device, ATA_COMMAND, 0x08);
1096 udelay (500000); /* 500 ms */
1100 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1109 } /* see above - ugly to read */
1111 if (retries == 2) /* Not found */
1115 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1117 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1118 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1119 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1120 #ifdef __LITTLE_ENDIAN
1122 * firmware revision and model number have Big Endian Byte
1123 * order in Word. Convert both to little endian.
1125 * See CF+ and CompactFlash Specification Revision 2.0:
1126 * 6.2.1.6: Identfy Drive, Table 39 for more details
1129 strswab (dev_desc->revision);
1130 strswab (dev_desc->vendor);
1131 #endif /* __LITTLE_ENDIAN */
1133 if ((iop->config & 0x0080)==0x0080)
1134 dev_desc->removable = 1;
1136 dev_desc->removable = 0;
1140 * Drive PIO mode autoselection
1144 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1145 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1147 debug ("Override tPIO -> 2\n");
1149 if (iop->field_valid & 2) { /* drive implements ATA2? */
1150 debug ("Drive implements ATA2\n");
1151 if (iop->capability & 8) { /* drive supports use_iordy? */
1152 cycle_time = iop->eide_pio_iordy;
1154 cycle_time = iop->eide_pio;
1156 debug ("cycle time = %d\n", cycle_time);
1158 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1159 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1160 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1161 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1163 printf ("PIO mode to use: PIO %d\n", mode);
1167 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1168 atapi_inquiry(dev_desc);
1171 #endif /* CONFIG_ATAPI */
1175 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1176 #else /* ! __BIG_ENDIAN */
1178 * do not swap shorts on little endian
1180 * See CF+ and CompactFlash Specification Revision 2.0:
1181 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1183 dev_desc->lba = iop->lba_capacity;
1184 #endif /* __BIG_ENDIAN */
1187 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1188 dev_desc->lba48 = 1;
1189 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1190 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1191 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1192 ((unsigned long long)iop->lba48_capacity[3] << 48);
1194 dev_desc->lba48 = 0;
1196 #endif /* CONFIG_LBA48 */
1198 dev_desc->type=DEV_TYPE_HARDDISK;
1199 dev_desc->blksz=ATA_BLOCKSIZE;
1200 dev_desc->lun=0; /* just to fill something in... */
1202 #if 0 /* only used to test the powersaving mode,
1203 * if enabled, the drive goes after 5 sec
1204 * in standby mode */
1205 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1206 c = ide_wait (device, IDE_TIME_OUT);
1207 ide_outb (device, ATA_SECT_CNT, 1);
1208 ide_outb (device, ATA_LBA_LOW, 0);
1209 ide_outb (device, ATA_LBA_MID, 0);
1210 ide_outb (device, ATA_LBA_HIGH, 0);
1211 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1212 ide_outb (device, ATA_COMMAND, 0xe3);
1214 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1219 /* ------------------------------------------------------------------------- */
1221 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1225 unsigned char pwrsave=0; /* power save */
1227 unsigned char lba48 = 0;
1229 if (blknr & 0x0000fffff0000000) {
1230 /* more than 28 bits used, use 48bit mode */
1234 debug ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1235 device, blknr, blkcnt, (ulong)buffer);
1237 ide_led (DEVICE_LED(device), 1); /* LED on */
1241 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1242 c = ide_wait (device, IDE_TIME_OUT);
1244 if (c & ATA_STAT_BUSY) {
1245 printf ("IDE read: device %d not ready\n", device);
1249 /* first check if the drive is in Powersaving mode, if yes,
1250 * increase the timeout value */
1251 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1254 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1256 if (c & ATA_STAT_BUSY) {
1257 printf ("IDE read: device %d not ready\n", device);
1260 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1261 printf ("No Powersaving mode %X\n", c);
1263 c = ide_inb(device,ATA_SECT_CNT);
1264 debug ("Powersaving %02X\n",c);
1270 while (blkcnt-- > 0) {
1272 c = ide_wait (device, IDE_TIME_OUT);
1274 if (c & ATA_STAT_BUSY) {
1275 printf ("IDE read: device %d not ready\n", device);
1280 /* write high bits */
1281 ide_outb (device, ATA_SECT_CNT, 0);
1282 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1283 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1284 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1287 ide_outb (device, ATA_SECT_CNT, 1);
1288 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1289 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1290 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1294 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1295 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1300 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1301 ATA_DEVICE(device) |
1302 ((blknr >> 24) & 0xF) );
1303 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1309 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1312 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1315 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1316 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1317 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1320 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1321 device, (ulong)blknr, c);
1326 input_data (device, buffer, ATA_SECTORWORDS);
1327 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1331 buffer += ATA_SECTORWORDS;
1334 ide_led (DEVICE_LED(device), 0); /* LED off */
1338 /* ------------------------------------------------------------------------- */
1341 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1346 unsigned char lba48 = 0;
1348 if (blknr & 0x0000fffff0000000) {
1349 /* more than 28 bits used, use 48bit mode */
1354 ide_led (DEVICE_LED(device), 1); /* LED on */
1358 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1360 while (blkcnt-- > 0) {
1362 c = ide_wait (device, IDE_TIME_OUT);
1364 if (c & ATA_STAT_BUSY) {
1365 printf ("IDE read: device %d not ready\n", device);
1370 /* write high bits */
1371 ide_outb (device, ATA_SECT_CNT, 0);
1372 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1373 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1374 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1377 ide_outb (device, ATA_SECT_CNT, 1);
1378 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1379 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1380 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1384 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1385 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1390 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1391 ATA_DEVICE(device) |
1392 ((blknr >> 24) & 0xF) );
1393 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1398 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1400 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1401 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1402 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1405 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1406 device, (ulong)blknr, c);
1411 output_data (device, buffer, ATA_SECTORWORDS);
1412 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1415 buffer += ATA_SECTORWORDS;
1418 ide_led (DEVICE_LED(device), 0); /* LED off */
1422 /* ------------------------------------------------------------------------- */
1425 * copy src to dest, skipping leading and trailing blanks and null
1426 * terminate the string
1427 * "len" is the size of available memory including the terminating '\0'
1429 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1431 unsigned char *end, *last;
1434 end = src + len - 1;
1436 /* reserve space for '\0' */
1440 /* skip leading white space */
1441 while ((*src) && (src<end) && (*src==' '))
1444 /* copy string, omitting trailing white space */
1445 while ((*src) && (src<end)) {
1454 /* ------------------------------------------------------------------------- */
1457 * Wait until Busy bit is off, or timeout (in ms)
1458 * Return last status
1460 static uchar ide_wait (int dev, ulong t)
1462 ulong delay = 10 * t; /* poll every 100 us */
1465 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1474 /* ------------------------------------------------------------------------- */
1476 #ifdef CONFIG_IDE_RESET
1477 extern void ide_set_reset(int idereset);
1479 static void ide_reset (void)
1481 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1482 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1487 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1489 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1490 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1492 ide_set_reset (1); /* assert reset */
1496 #ifdef CFG_PB_12V_ENABLE
1497 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1498 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1499 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1500 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1502 /* wait 500 ms for the voltage to stabilize
1504 for (i=0; i<500; ++i) {
1508 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1509 #endif /* CFG_PB_12V_ENABLE */
1511 #ifdef CFG_PB_IDE_MOTOR
1512 /* configure IDE Motor voltage monitor pin as input */
1513 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1514 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1515 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1517 /* wait up to 1 s for the motor voltage to stabilize
1519 for (i=0; i<1000; ++i) {
1520 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1526 if (i == 1000) { /* Timeout */
1527 printf ("\nWarning: 5V for IDE Motor missing\n");
1528 # ifdef CONFIG_STATUS_LED
1529 # ifdef STATUS_LED_YELLOW
1530 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1532 # ifdef STATUS_LED_GREEN
1533 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1535 # endif /* CONFIG_STATUS_LED */
1537 #endif /* CFG_PB_IDE_MOTOR */
1541 /* de-assert RESET signal */
1545 for (i=0; i<250; ++i) {
1550 #endif /* CONFIG_IDE_RESET */
1552 /* ------------------------------------------------------------------------- */
1554 #if defined(CONFIG_IDE_LED) && \
1555 !defined(CONFIG_AMIGAONEG3SE)&& \
1556 !defined(CONFIG_CPC45) && \
1557 !defined(CONFIG_HMI10) && \
1558 !defined(CONFIG_KUP4K) && \
1559 !defined(CONFIG_KUP4X)
1561 static uchar led_buffer = 0; /* Buffer for current LED status */
1563 static void ide_led (uchar led, uchar status)
1565 uchar *led_port = LED_PORT;
1567 if (status) { /* switch LED on */
1569 } else { /* switch LED off */
1573 *led_port = led_buffer;
1576 #endif /* CONFIG_IDE_LED */
1578 /* ------------------------------------------------------------------------- */
1581 /****************************************************************************
1585 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1586 /* since ATAPI may use commands with not 4 bytes alligned length
1587 * we have our own transfer functions, 2 bytes alligned */
1589 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1591 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1593 volatile uchar *pbuf_even;
1594 volatile uchar *pbuf_odd;
1596 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1597 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1600 *pbuf_even = *dbuf++;
1602 *pbuf_odd = *dbuf++;
1606 volatile ushort *pbuf;
1608 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1609 dbuf = (ushort *)sect_buf;
1611 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1621 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1623 #if defined(CONFIG_HMI10) || defined(CONFIG_CPC45)
1625 volatile uchar *pbuf_even;
1626 volatile uchar *pbuf_odd;
1628 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1629 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1632 *dbuf++ = *pbuf_even;
1634 *dbuf++ = *pbuf_odd;
1638 volatile ushort *pbuf;
1640 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1641 dbuf = (ushort *)sect_buf;
1643 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1652 #else /* ! __PPC__ */
1654 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1656 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1660 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1662 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1665 #endif /* __PPC__ */
1668 * Wait until (Status & mask) == res, or timeout (in ms)
1669 * Return last status
1670 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1671 * and then they set their DRQ Bit
1673 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1675 ulong delay = 10 * t; /* poll every 100 us */
1678 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1679 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1680 /* break if error occurs (doesn't make sense to wait more) */
1681 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1692 * issue an atapi command
1694 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1696 unsigned char c,err,mask,res;
1698 ide_led (DEVICE_LED(device), 1); /* LED on */
1702 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1704 #ifdef CONFIG_AMIGAONEG3SE
1705 # warning THF: Removed LBA mode ???
1707 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1708 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1709 if ((c & mask) != res) {
1710 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1714 /* write taskfile */
1715 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1716 ide_outb (device, ATA_SECT_CNT, 0);
1717 ide_outb (device, ATA_SECT_NUM, 0);
1718 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1719 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1720 #ifdef CONFIG_AMIGAONEG3SE
1721 # warning THF: Removed LBA mode ???
1723 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1725 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1728 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1730 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1732 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1733 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1738 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1739 /* ATAPI Command written wait for completition */
1740 udelay (5000); /* device must set bsy */
1742 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1743 /* if no data wait for DRQ = 0 BSY = 0
1744 * if data wait for DRQ = 1 BSY = 0 */
1748 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1749 if ((c & mask) != res ) {
1750 if (c & ATA_STAT_ERR) {
1751 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1752 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1754 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1759 n=ide_inb(device, ATA_CYL_HIGH);
1761 n+=ide_inb(device, ATA_CYL_LOW);
1763 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1767 if((n==0)&&(buflen<0)) {
1768 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1773 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1775 if(n!=0) { /* data transfer */
1776 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1777 /* we transfer shorts */
1779 /* ok now decide if it is an in or output */
1780 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1781 debug ("Write to device\n");
1782 output_data_shorts(device,(unsigned short *)buffer,n);
1784 debug ("Read from device @ %p shorts %d\n",buffer,n);
1785 input_data_shorts(device,(unsigned short *)buffer,n);
1788 udelay(5000); /* seems that some CD ROMs need this... */
1789 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1791 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1792 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1793 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1794 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1799 ide_led (DEVICE_LED(device), 0); /* LED off */
1804 * sending the command to atapi_issue. If an status other than good
1805 * returns, an request_sense will be issued
1808 #define ATAPI_DRIVE_NOT_READY 100
1809 #define ATAPI_UNIT_ATTN 10
1811 unsigned char atapi_issue_autoreq (int device,
1814 unsigned char *buffer,
1817 unsigned char sense_data[18],sense_ccb[12];
1818 unsigned char res,key,asc,ascq;
1819 int notready,unitattn;
1821 #ifdef CONFIG_AMIGAONEG3SE
1823 unsigned int timeout, retrycnt;
1825 s = getenv("ide_cd_timeout");
1826 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1831 unitattn=ATAPI_UNIT_ATTN;
1832 notready=ATAPI_DRIVE_NOT_READY;
1835 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1837 return (0); /* Ok */
1840 return (0xFF); /* error */
1842 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1844 memset(sense_ccb,0,sizeof(sense_ccb));
1845 memset(sense_data,0,sizeof(sense_data));
1846 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1847 sense_ccb[4]=18; /* allocation Length */
1849 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1850 key=(sense_data[2]&0xF);
1851 asc=(sense_data[12]);
1852 ascq=(sense_data[13]);
1854 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1855 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1862 return 0; /* ok device ready */
1864 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1869 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1872 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1877 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1881 debug ("Media not present\n");
1885 #ifdef CONFIG_AMIGAONEG3SE
1886 if ((sense_data[2]&0xF)==0x0B) {
1887 debug ("ABORTED COMMAND...retry\n");
1893 if ((sense_data[2]&0xf) == 0x02 &&
1894 sense_data[12] == 0x04 &&
1895 sense_data[13] == 0x01 ) {
1896 debug ("Waiting for unit to become active\n");
1902 #endif /* CONFIG_AMIGAONEG3SE */
1904 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1906 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1911 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1913 unsigned char ccb[12]; /* Command descriptor block */
1914 unsigned char iobuf[64]; /* temp buf */
1918 device=dev_desc->dev;
1919 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1920 dev_desc->block_read=atapi_read;
1922 memset(ccb,0,sizeof(ccb));
1923 memset(iobuf,0,sizeof(iobuf));
1925 ccb[0]=ATAPI_CMD_INQUIRY;
1926 ccb[4]=40; /* allocation Legnth */
1927 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1929 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1933 /* copy device ident strings */
1934 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1935 ident_cpy(dev_desc->product,&iobuf[16],16);
1936 ident_cpy(dev_desc->revision,&iobuf[32],5);
1941 dev_desc->type=iobuf[0] & 0x1f;
1943 if ((iobuf[1]&0x80)==0x80)
1944 dev_desc->removable = 1;
1946 dev_desc->removable = 0;
1948 memset(ccb,0,sizeof(ccb));
1949 memset(iobuf,0,sizeof(iobuf));
1950 ccb[0]=ATAPI_CMD_START_STOP;
1951 ccb[4]=0x03; /* start */
1953 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1955 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1959 memset(ccb,0,sizeof(ccb));
1960 memset(iobuf,0,sizeof(iobuf));
1961 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1963 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1967 memset(ccb,0,sizeof(ccb));
1968 memset(iobuf,0,sizeof(iobuf));
1969 ccb[0]=ATAPI_CMD_READ_CAP;
1970 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1971 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1975 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1976 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1977 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1979 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1980 ((unsigned long)iobuf[1]<<16) +
1981 ((unsigned long)iobuf[2]<< 8) +
1982 ((unsigned long)iobuf[3]);
1983 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1984 ((unsigned long)iobuf[5]<<16) +
1985 ((unsigned long)iobuf[6]<< 8) +
1986 ((unsigned long)iobuf[7]);
1988 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1996 * we transfer only one block per command, since the multiple DRQ per
1997 * command is not yet implemented
1999 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2000 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2001 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2003 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
2006 unsigned char ccb[12]; /* Command descriptor block */
2009 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2010 device, blknr, blkcnt, (ulong)buffer);
2013 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2014 cnt=ATAPI_READ_MAX_BLOCK;
2018 ccb[0]=ATAPI_CMD_READ_12;
2019 ccb[1]=0; /* reserved */
2020 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2021 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2022 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2023 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2024 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2025 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2026 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2027 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2028 ccb[10]=0; /* reserved */
2029 ccb[11]=0; /* reserved */
2031 if (atapi_issue_autoreq(device,ccb,12,
2032 (unsigned char *)buffer,
2033 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2039 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2040 } while (blkcnt > 0);
2044 /* ------------------------------------------------------------------------- */
2046 #endif /* CONFIG_ATAPI */
2050 "ide - IDE sub-system\n",
2051 "reset - reset IDE controller\n"
2052 "ide info - show available IDE devices\n"
2053 "ide device [dev] - show or set current device\n"
2054 "ide part [dev] - print partition table of one or all IDE devices\n"
2055 "ide read addr blk# cnt\n"
2056 "ide write addr blk# cnt - read/write `cnt'"
2057 " blocks starting at block `blk#'\n"
2058 " to/from memory address `addr'\n"
2062 diskboot, 3, 1, do_diskboot,
2063 "diskboot- boot from IDE device\n",
2064 "loadAddr dev:part\n"
2067 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */