2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
34 #include <asm/byteorder.h>
37 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
50 #include <asm/arch/orion5x.h>
51 #elif defined CONFIG_KIRKWOOD
52 #include <asm/arch/kirkwood.h>
58 #ifdef CONFIG_STATUS_LED
59 # include <status_led.h>
62 #ifdef CONFIG_IDE_8xx_DIRECT
63 DECLARE_GLOBAL_DATA_PTR;
67 # define EIEIO __asm__ volatile ("eieio")
68 # define SYNC __asm__ volatile ("sync")
70 # define EIEIO /* nothing */
71 # define SYNC /* nothing */
74 #ifdef CONFIG_IDE_8xx_DIRECT
75 /* Timings for IDE Interface
77 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
78 * 70 165 30 PIO-Mode 0, [ns]
80 * 50 125 20 PIO-Mode 1, [ns]
82 * 30 100 15 PIO-Mode 2, [ns]
84 * 30 80 10 PIO-Mode 3, [ns]
86 * 25 70 10 PIO-Mode 4, [ns]
90 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
92 /* Setup Length Hold */
93 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
94 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
95 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
96 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
97 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
100 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
102 #ifndef CONFIG_SYS_PIO_MODE
103 #define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
105 static int pio_mode = CONFIG_SYS_PIO_MODE;
107 /* Make clock cycles and always round up */
109 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
111 #endif /* CONFIG_IDE_8xx_DIRECT */
113 /* ------------------------------------------------------------------------- */
115 /* Current I/O Device */
116 static int curr_device = -1;
118 /* Current offset for IDE0 / IDE1 bus access */
119 ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
120 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
121 CONFIG_SYS_ATA_IDE0_OFFSET,
123 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
124 CONFIG_SYS_ATA_IDE1_OFFSET,
129 static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
131 block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
132 /* ------------------------------------------------------------------------- */
134 #ifdef CONFIG_IDE_LED
135 # if !defined(CONFIG_BMS2003) && \
136 !defined(CONFIG_CPC45) && \
137 !defined(CONFIG_KUP4K) && \
138 !defined(CONFIG_KUP4X)
139 static void ide_led (uchar led, uchar status);
141 extern void ide_led (uchar led, uchar status);
144 #define ide_led(a,b) /* dummy */
147 #ifdef CONFIG_IDE_RESET
148 static void ide_reset (void);
150 #define ide_reset() /* dummy */
153 static void ide_ident (block_dev_desc_t *dev_desc);
154 static uchar ide_wait (int dev, ulong t);
156 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
158 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
160 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
162 static void input_data(int dev, ulong *sect_buf, int words);
163 static void output_data(int dev, const ulong *sect_buf, int words);
164 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
166 #ifndef CONFIG_SYS_ATA_PORT_ADDR
167 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
171 static void atapi_inquiry(block_dev_desc_t *dev_desc);
172 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer);
176 #ifdef CONFIG_IDE_8xx_DIRECT
177 static void set_pcmcia_timing (int pmode);
180 /* ------------------------------------------------------------------------- */
182 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
189 return cmd_usage(cmdtp);
191 if (strncmp(argv[1],"res",3) == 0) {
193 #ifdef CONFIG_IDE_8xx_DIRECT
194 " on PCMCIA " PCMCIA_SLOT_MSG
200 } else if (strncmp(argv[1],"inf",3) == 0) {
205 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
206 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
207 continue; /* list only known devices */
208 printf ("IDE device %d: ", i);
209 dev_print(&ide_dev_desc[i]);
213 } else if (strncmp(argv[1],"dev",3) == 0) {
214 if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) {
215 puts ("\nno IDE devices available\n");
218 printf ("\nIDE device %d: ", curr_device);
219 dev_print(&ide_dev_desc[curr_device]);
221 } else if (strncmp(argv[1],"part",4) == 0) {
224 for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) {
225 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
229 print_part(&ide_dev_desc[dev]);
233 puts ("\nno IDE devices available\n");
238 return cmd_usage(cmdtp);
240 if (strncmp(argv[1],"dev",3) == 0) {
241 int dev = (int)simple_strtoul(argv[2], NULL, 10);
243 printf ("\nIDE device %d: ", dev);
244 if (dev >= CONFIG_SYS_IDE_MAXDEVICE) {
245 puts ("unknown device\n");
248 dev_print(&ide_dev_desc[dev]);
251 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
257 puts ("... is now current device\n");
260 } else if (strncmp(argv[1],"part",4) == 0) {
261 int dev = (int)simple_strtoul(argv[2], NULL, 10);
263 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
264 print_part(&ide_dev_desc[dev]);
266 printf ("\nIDE device %d not available\n", dev);
271 } else if (strncmp(argv[1],"pio",4) == 0) {
272 int mode = (int)simple_strtoul(argv[2], NULL, 10);
274 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
279 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
280 mode, IDE_MAX_PIO_MODE);
286 return cmd_usage(cmdtp);
288 /* at least 4 args */
290 if (strcmp(argv[1],"read") == 0) {
291 ulong addr = simple_strtoul(argv[2], NULL, 16);
292 ulong cnt = simple_strtoul(argv[4], NULL, 16);
294 #ifdef CONFIG_SYS_64BIT_LBA
295 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
297 printf ("\nIDE read: device %d block # %Ld, count %ld ... ",
298 curr_device, blk, cnt);
300 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
302 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
303 curr_device, blk, cnt);
306 n = ide_dev_desc[curr_device].block_read (curr_device,
309 /* flush cache after read */
310 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
312 printf ("%ld blocks read: %s\n",
313 n, (n==cnt) ? "OK" : "ERROR");
319 } else if (strcmp(argv[1],"write") == 0) {
320 ulong addr = simple_strtoul(argv[2], NULL, 16);
321 ulong cnt = simple_strtoul(argv[4], NULL, 16);
323 #ifdef CONFIG_SYS_64BIT_LBA
324 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
326 printf ("\nIDE write: device %d block # %Ld, count %ld ... ",
327 curr_device, blk, cnt);
329 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
331 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
332 curr_device, blk, cnt);
335 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
337 printf ("%ld blocks written: %s\n",
338 n, (n==cnt) ? "OK" : "ERROR");
344 return cmd_usage(cmdtp);
351 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
353 char *boot_device = NULL;
357 disk_partition_t info;
359 #if defined(CONFIG_FIT)
360 const void *fit_hdr = NULL;
363 show_boot_progress (41);
366 addr = CONFIG_SYS_LOAD_ADDR;
367 boot_device = getenv ("bootdevice");
370 addr = simple_strtoul(argv[1], NULL, 16);
371 boot_device = getenv ("bootdevice");
374 addr = simple_strtoul(argv[1], NULL, 16);
375 boot_device = argv[2];
378 show_boot_progress (-42);
379 return cmd_usage(cmdtp);
381 show_boot_progress (42);
384 puts ("\n** No boot device **\n");
385 show_boot_progress (-43);
388 show_boot_progress (43);
390 dev = simple_strtoul(boot_device, &ep, 16);
392 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
393 printf ("\n** Device %d not available\n", dev);
394 show_boot_progress (-44);
397 show_boot_progress (44);
401 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
402 show_boot_progress (-45);
405 part = simple_strtoul(++ep, NULL, 16);
407 show_boot_progress (45);
408 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
409 show_boot_progress (-46);
412 show_boot_progress (46);
413 if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
414 (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
415 printf ("\n** Invalid partition type \"%.32s\""
416 " (expect \"" BOOT_PART_TYPE "\")\n",
418 show_boot_progress (-47);
421 show_boot_progress (47);
423 printf ("\nLoading from IDE device %d, partition %d: "
424 "Name: %.32s Type: %.32s\n",
425 dev, part, info.name, info.type);
427 debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
428 info.start, info.size, info.blksz);
430 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
431 printf ("** Read error on %d:%d\n", dev, part);
432 show_boot_progress (-48);
435 show_boot_progress (48);
437 switch (genimg_get_format ((void *)addr)) {
438 case IMAGE_FORMAT_LEGACY:
439 hdr = (image_header_t *)addr;
441 show_boot_progress (49);
443 if (!image_check_hcrc (hdr)) {
444 puts ("\n** Bad Header Checksum **\n");
445 show_boot_progress (-50);
448 show_boot_progress (50);
450 image_print_contents (hdr);
452 cnt = image_get_image_size (hdr);
454 #if defined(CONFIG_FIT)
455 case IMAGE_FORMAT_FIT:
456 fit_hdr = (const void *)addr;
457 puts ("Fit image detected...\n");
459 cnt = fit_get_size (fit_hdr);
463 show_boot_progress (-49);
464 puts ("** Unknown image type\n");
468 cnt += info.blksz - 1;
472 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
473 (ulong *)(addr+info.blksz)) != cnt) {
474 printf ("** Read error on %d:%d\n", dev, part);
475 show_boot_progress (-51);
478 show_boot_progress (51);
480 #if defined(CONFIG_FIT)
481 /* This cannot be done earlier, we need complete FIT image in RAM first */
482 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
483 if (!fit_check_format (fit_hdr)) {
484 show_boot_progress (-140);
485 puts ("** Bad FIT image format\n");
488 show_boot_progress (141);
489 fit_print_contents (fit_hdr);
493 /* Loading ok, update default load address */
497 return bootm_maybe_autostart(cmdtp, argv[0]);
500 /* ------------------------------------------------------------------------- */
503 __ide_outb(int dev, int port, unsigned char val)
505 debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
506 dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
508 #if defined(CONFIG_IDE_AHB)
511 ide_write_register(dev, port, val);
514 outb(val, (ATA_CURR_BASE(dev)));
517 outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
521 void ide_outb (int dev, int port, unsigned char val)
522 __attribute__((weak, alias("__ide_outb")));
525 __ide_inb(int dev, int port)
529 #if defined(CONFIG_IDE_AHB)
530 val = ide_read_register(dev, port);
532 val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)));
535 debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
536 dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val);
539 unsigned char ide_inb(int dev, int port)
540 __attribute__((weak, alias("__ide_inb")));
542 #ifdef CONFIG_TUNE_PIO
544 __ide_set_piomode(int pio_mode)
548 int inline ide_set_piomode(int pio_mode)
549 __attribute__((weak, alias("__ide_set_piomode")));
555 #ifdef CONFIG_IDE_8xx_DIRECT
556 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
557 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
561 #if defined(CONFIG_SC3)
562 unsigned int ata_reset_time = ATA_RESET_TIME;
564 #ifdef CONFIG_IDE_8xx_PCCARD
565 extern int pcmcia_on (void);
566 extern int ide_devices_found; /* Initialized in check_ide_device() */
567 #endif /* CONFIG_IDE_8xx_PCCARD */
569 #ifdef CONFIG_IDE_PREINIT
570 extern int ide_preinit (void);
573 if (ide_preinit ()) {
574 puts ("ide_preinit failed\n");
577 #endif /* CONFIG_IDE_PREINIT */
579 #ifdef CONFIG_IDE_8xx_PCCARD
580 extern int pcmcia_on (void);
581 extern int ide_devices_found; /* Initialized in check_ide_device() */
585 ide_devices_found = 0;
586 /* initialize the PCMCIA IDE adapter card */
588 if (!ide_devices_found)
590 udelay (1000000); /* 1 s */
591 #endif /* CONFIG_IDE_8xx_PCCARD */
595 #ifdef CONFIG_IDE_8xx_DIRECT
596 /* Initialize PIO timing tables */
597 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
598 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
600 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
602 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
604 debug ( "PIO Mode %d: setup=%2d ns/%d clk"
606 " hold=%2d ns/%d clk\n",
608 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
609 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
610 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
612 #endif /* CONFIG_IDE_8xx_DIRECT */
614 /* Reset the IDE just to be sure.
615 * Light LED's to show
617 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
618 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
620 #ifdef CONFIG_IDE_8xx_DIRECT
621 /* PCMCIA / IDE initialization for common mem space */
622 pcmp->pcmc_pgcrb = 0;
624 /* start in PIO mode 0 - most relaxed timings */
626 set_pcmcia_timing (pio_mode);
627 #endif /* CONFIG_IDE_8xx_DIRECT */
630 * Wait for IDE to get ready.
631 * According to spec, this can take up to 31 seconds!
633 for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) {
634 int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS);
636 #ifdef CONFIG_IDE_8xx_PCCARD
637 /* Skip non-ide devices from probing */
638 if ((ide_devices_found & (1 << bus)) == 0) {
639 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
643 printf ("Bus %d: ", bus);
649 udelay (100000); /* 100 ms */
650 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
651 udelay (100000); /* 100 ms */
654 udelay (10000); /* 10 ms */
656 c = ide_inb (dev, ATA_STATUS);
658 #if defined(CONFIG_SC3)
659 if (i > (ata_reset_time * 100)) {
661 if (i > (ATA_RESET_TIME * 100)) {
663 puts ("** Timeout **\n");
664 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
667 if ((i >= 100) && ((i%100)==0)) {
670 } while (c & ATA_STAT_BUSY);
672 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
673 puts ("not available ");
674 debug ("Status = 0x%02X ", c);
675 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
676 } else if ((c & ATA_STAT_READY) == 0) {
677 puts ("not available ");
678 debug ("Status = 0x%02X ", c);
689 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
692 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) {
693 #ifdef CONFIG_IDE_LED
694 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
696 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
697 ide_dev_desc[i].if_type=IF_TYPE_IDE;
698 ide_dev_desc[i].dev=i;
699 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
700 ide_dev_desc[i].blksz=0;
701 ide_dev_desc[i].lba=0;
702 ide_dev_desc[i].block_read=ide_read;
703 ide_dev_desc[i].block_write = ide_write;
704 if (!ide_bus_ok[IDE_BUS(i)])
706 ide_led (led, 1); /* LED on */
707 ide_ident(&ide_dev_desc[i]);
708 ide_led (led, 0); /* LED off */
709 dev_print(&ide_dev_desc[i]);
711 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
712 init_part (&ide_dev_desc[i]); /* initialize partition type */
720 /* ------------------------------------------------------------------------- */
722 #ifdef CONFIG_PARTITIONS
723 block_dev_desc_t * ide_get_dev(int dev)
725 return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL;
730 #ifdef CONFIG_IDE_8xx_DIRECT
733 set_pcmcia_timing (int pmode)
735 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
736 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
739 debug ("Set timing for PIO Mode %d\n", pmode);
741 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
742 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
743 | PCMCIA_SL (pio_config_clk[pmode].t_length)
748 pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
749 pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
750 #if (CONFIG_SYS_PCMCIA_POR0 != 0)
754 debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
756 pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
757 pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
758 #if (CONFIG_SYS_PCMCIA_POR1 != 0)
762 debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
764 pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
765 pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
766 #if (CONFIG_SYS_PCMCIA_POR2 != 0)
770 debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
772 pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
773 pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
774 #if (CONFIG_SYS_PCMCIA_POR3 != 0)
778 debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
782 pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
783 pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
784 #if (CONFIG_SYS_PCMCIA_POR4 != 0)
788 debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
790 pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
791 pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
792 #if (CONFIG_SYS_PCMCIA_POR5 != 0)
796 debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
798 pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
799 pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
800 #if (CONFIG_SYS_PCMCIA_POR6 != 0)
804 debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
806 pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
807 pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
808 #if (CONFIG_SYS_PCMCIA_POR7 != 0)
812 debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
816 #endif /* CONFIG_IDE_8xx_DIRECT */
818 /* ------------------------------------------------------------------------- */
820 /* We only need to swap data if we are running on a big endian cpu. */
821 /* But Au1x00 cpu:s already swaps data in big endian mode! */
822 #if defined(__LITTLE_ENDIAN) || \
823 (defined(CONFIG_SOC_AU1X00) && !defined(CONFIG_GTH2))
824 #define input_swap_data(x,y,z) input_data(x,y,z)
827 input_swap_data(int dev, ulong *sect_buf, int words)
829 #if defined(CONFIG_CPC45)
831 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
832 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
833 ushort *dbuf = (ushort *)sect_buf;
836 for (i=0; i<2; i++) {
837 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
838 *(uchar *)dbuf = *pbuf_odd;
843 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
844 ushort *dbuf = (ushort *)sect_buf;
846 debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
850 *dbuf++ = swab16p((u16*)pbuf);
851 *dbuf++ = swab16p((u16*)pbuf);
852 #elif defined(CONFIG_PCS440EP)
856 *dbuf++ = ld_le16(pbuf);
857 *dbuf++ = ld_le16(pbuf);
862 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
865 #if defined(CONFIG_IDE_SWAP_IO)
867 output_data(int dev, const ulong *sect_buf, int words)
869 #if defined(CONFIG_CPC45)
871 volatile uchar *pbuf_even;
872 volatile uchar *pbuf_odd;
874 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
875 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
876 dbuf = (uchar *)sect_buf;
879 *pbuf_even = *dbuf++;
883 *pbuf_even = *dbuf++;
889 volatile ushort *pbuf;
891 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
892 dbuf = (ushort *)sect_buf;
894 #if defined(CONFIG_PCS440EP)
895 /* not tested, because CF was write protected */
897 *pbuf = ld_le16(dbuf++);
899 *pbuf = ld_le16(dbuf++);
909 #else /* ! CONFIG_IDE_SWAP_IO */
911 output_data(int dev, const ulong *sect_buf, int words)
913 #if defined(CONFIG_IDE_AHB)
914 ide_write_data(dev, sect_buf, words);
916 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
919 #endif /* CONFIG_IDE_SWAP_IO */
921 #if defined(CONFIG_IDE_SWAP_IO)
923 input_data(int dev, ulong *sect_buf, int words)
925 #if defined(CONFIG_CPC45)
927 volatile uchar *pbuf_even;
928 volatile uchar *pbuf_odd;
930 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
931 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
932 dbuf = (uchar *)sect_buf;
934 *dbuf++ = *pbuf_even;
940 *dbuf++ = *pbuf_even;
949 volatile ushort *pbuf;
951 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
952 dbuf = (ushort *)sect_buf;
954 debug("in input data base for read is %lx\n", (unsigned long) pbuf);
957 #if defined(CONFIG_PCS440EP)
959 *dbuf++ = ld_le16(pbuf);
961 *dbuf++ = ld_le16(pbuf);
971 #else /* ! CONFIG_IDE_SWAP_IO */
973 input_data(int dev, ulong *sect_buf, int words)
975 #if defined(CONFIG_IDE_AHB)
976 ide_read_data(dev, sect_buf, words);
978 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
982 #endif /* CONFIG_IDE_SWAP_IO */
984 /* -------------------------------------------------------------------------
986 static void ide_ident (block_dev_desc_t *dev_desc)
988 ulong iobuf[ATA_SECTORWORDS];
990 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
997 #ifdef CONFIG_TUNE_PIO
1002 int mode, cycle_time;
1005 device=dev_desc->dev;
1006 printf (" Device %d: ", device);
1008 ide_led (DEVICE_LED(device), 1); /* LED on */
1011 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1012 dev_desc->if_type=IF_TYPE_IDE;
1018 /* Warning: This will be tricky to read */
1019 while (retries <= 1) {
1020 /* check signature */
1021 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1022 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1023 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1024 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1025 /* ATAPI Signature found */
1026 dev_desc->if_type=IF_TYPE_ATAPI;
1027 /* Start Ident Command
1029 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1031 * Wait for completion - ATAPI devices need more time
1034 c = ide_wait (device, ATAPI_TIME_OUT);
1038 /* Start Ident Command
1040 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1042 /* Wait for completion
1044 c = ide_wait (device, IDE_TIME_OUT);
1046 ide_led (DEVICE_LED(device), 0); /* LED off */
1048 if (((c & ATA_STAT_DRQ) == 0) ||
1049 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1052 /* Need to soft reset the device in case it's an ATAPI... */
1053 debug ("Retrying...\n");
1054 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1056 ide_outb (device, ATA_COMMAND, 0x08);
1057 udelay (500000); /* 500 ms */
1061 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1070 } /* see above - ugly to read */
1072 if (retries == 2) /* Not found */
1076 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1078 ident_cpy ((unsigned char*)dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1079 ident_cpy ((unsigned char*)dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1080 ident_cpy ((unsigned char*)dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1081 #ifdef __LITTLE_ENDIAN
1083 * firmware revision, model, and serial number have Big Endian Byte
1084 * order in Word. Convert all three to little endian.
1086 * See CF+ and CompactFlash Specification Revision 2.0:
1087 * 6.2.1.6: Identify Drive, Table 39 for more details
1090 strswab (dev_desc->revision);
1091 strswab (dev_desc->vendor);
1092 strswab (dev_desc->product);
1093 #endif /* __LITTLE_ENDIAN */
1095 if ((iop->config & 0x0080)==0x0080)
1096 dev_desc->removable = 1;
1098 dev_desc->removable = 0;
1100 #ifdef CONFIG_TUNE_PIO
1101 /* Mode 0 - 2 only, are directly determined by word 51. */
1102 pio_mode = iop->tPIO;
1104 printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode);
1105 pio_mode = 0; /* Force it to dead slow, and hope for the best... */
1108 /* Any CompactFlash Storage Card that supports PIO mode 3 or above
1109 * shall set bit 1 of word 53 to one and support the fields contained
1110 * in words 64 through 70.
1112 if (iop->field_valid & 0x02) {
1113 /* Mode 3 and above are possible. Check in order from slow
1114 * to fast, so we wind up with the highest mode allowed.
1116 if (iop->eide_pio_modes & 0x01)
1118 if (iop->eide_pio_modes & 0x02)
1120 if (ata_id_is_cfa((u16 *)iop)) {
1121 if ((iop->cf_advanced_caps & 0x07) == 0x01)
1123 if ((iop->cf_advanced_caps & 0x07) == 0x02)
1128 /* System-specific, depends on bus speeds, etc. */
1129 ide_set_piomode(pio_mode);
1130 #endif /* CONFIG_TUNE_PIO */
1134 * Drive PIO mode autoselection
1138 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1139 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1141 debug ("Override tPIO -> 2\n");
1143 if (iop->field_valid & 2) { /* drive implements ATA2? */
1144 debug ("Drive implements ATA2\n");
1145 if (iop->capability & 8) { /* drive supports use_iordy? */
1146 cycle_time = iop->eide_pio_iordy;
1148 cycle_time = iop->eide_pio;
1150 debug ("cycle time = %d\n", cycle_time);
1152 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1153 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1154 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1155 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1157 printf ("PIO mode to use: PIO %d\n", mode);
1161 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1162 atapi_inquiry(dev_desc);
1165 #endif /* CONFIG_ATAPI */
1169 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1170 #else /* ! __BIG_ENDIAN */
1172 * do not swap shorts on little endian
1174 * See CF+ and CompactFlash Specification Revision 2.0:
1175 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1177 dev_desc->lba = iop->lba_capacity;
1178 #endif /* __BIG_ENDIAN */
1181 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1182 dev_desc->lba48 = 1;
1183 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1184 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1185 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1186 ((unsigned long long)iop->lba48_capacity[3] << 48);
1188 dev_desc->lba48 = 0;
1190 #endif /* CONFIG_LBA48 */
1192 dev_desc->type=DEV_TYPE_HARDDISK;
1193 dev_desc->blksz=ATA_BLOCKSIZE;
1194 dev_desc->lun=0; /* just to fill something in... */
1196 #if 0 /* only used to test the powersaving mode,
1197 * if enabled, the drive goes after 5 sec
1198 * in standby mode */
1199 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1200 c = ide_wait (device, IDE_TIME_OUT);
1201 ide_outb (device, ATA_SECT_CNT, 1);
1202 ide_outb (device, ATA_LBA_LOW, 0);
1203 ide_outb (device, ATA_LBA_MID, 0);
1204 ide_outb (device, ATA_LBA_HIGH, 0);
1205 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1206 ide_outb (device, ATA_COMMAND, 0xe3);
1208 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1213 /* ------------------------------------------------------------------------- */
1215 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1219 unsigned char pwrsave=0; /* power save */
1221 unsigned char lba48 = 0;
1223 if (blknr & 0x0000fffff0000000ULL) {
1224 /* more than 28 bits used, use 48bit mode */
1228 debug ("ide_read dev %d start %LX, blocks %lX buffer at %lX\n",
1229 device, blknr, blkcnt, (ulong)buffer);
1231 ide_led (DEVICE_LED(device), 1); /* LED on */
1235 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1236 c = ide_wait (device, IDE_TIME_OUT);
1238 if (c & ATA_STAT_BUSY) {
1239 printf ("IDE read: device %d not ready\n", device);
1243 /* first check if the drive is in Powersaving mode, if yes,
1244 * increase the timeout value */
1245 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1248 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1250 if (c & ATA_STAT_BUSY) {
1251 printf ("IDE read: device %d not ready\n", device);
1254 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1255 printf ("No Powersaving mode %X\n", c);
1257 c = ide_inb(device,ATA_SECT_CNT);
1258 debug ("Powersaving %02X\n",c);
1264 while (blkcnt-- > 0) {
1266 c = ide_wait (device, IDE_TIME_OUT);
1268 if (c & ATA_STAT_BUSY) {
1269 printf ("IDE read: device %d not ready\n", device);
1274 /* write high bits */
1275 ide_outb (device, ATA_SECT_CNT, 0);
1276 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1277 #ifdef CONFIG_SYS_64BIT_LBA
1278 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1279 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1281 ide_outb (device, ATA_LBA_MID, 0);
1282 ide_outb (device, ATA_LBA_HIGH, 0);
1286 ide_outb (device, ATA_SECT_CNT, 1);
1287 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1288 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1289 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1293 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1294 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1299 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1300 ATA_DEVICE(device) |
1301 ((blknr >> 24) & 0xF) );
1302 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1308 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1311 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1314 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1315 #if defined(CONFIG_SYS_64BIT_LBA)
1316 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1319 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1320 device, (ulong)blknr, c);
1325 input_data (device, buffer, ATA_SECTORWORDS);
1326 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1330 buffer += ATA_BLOCKSIZE;
1333 ide_led (DEVICE_LED(device), 0); /* LED off */
1337 /* ------------------------------------------------------------------------- */
1340 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, const void *buffer)
1345 unsigned char lba48 = 0;
1347 if (blknr & 0x0000fffff0000000ULL) {
1348 /* more than 28 bits used, use 48bit mode */
1353 ide_led (DEVICE_LED(device), 1); /* LED on */
1357 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1359 while (blkcnt-- > 0) {
1361 c = ide_wait (device, IDE_TIME_OUT);
1363 if (c & ATA_STAT_BUSY) {
1364 printf ("IDE read: device %d not ready\n", device);
1369 /* write high bits */
1370 ide_outb (device, ATA_SECT_CNT, 0);
1371 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1372 #ifdef CONFIG_SYS_64BIT_LBA
1373 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1374 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1376 ide_outb (device, ATA_LBA_MID, 0);
1377 ide_outb (device, ATA_LBA_HIGH, 0);
1381 ide_outb (device, ATA_SECT_CNT, 1);
1382 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1383 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1384 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1388 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1389 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1394 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1395 ATA_DEVICE(device) |
1396 ((blknr >> 24) & 0xF) );
1397 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1402 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1404 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1405 #if defined(CONFIG_SYS_64BIT_LBA)
1406 printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n",
1409 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1410 device, (ulong)blknr, c);
1415 output_data (device, buffer, ATA_SECTORWORDS);
1416 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1419 buffer += ATA_BLOCKSIZE;
1422 ide_led (DEVICE_LED(device), 0); /* LED off */
1426 /* ------------------------------------------------------------------------- */
1429 * copy src to dest, skipping leading and trailing blanks and null
1430 * terminate the string
1431 * "len" is the size of available memory including the terminating '\0'
1433 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1435 unsigned char *end, *last;
1438 end = src + len - 1;
1440 /* reserve space for '\0' */
1444 /* skip leading white space */
1445 while ((*src) && (src<end) && (*src==' '))
1448 /* copy string, omitting trailing white space */
1449 while ((*src) && (src<end)) {
1458 /* ------------------------------------------------------------------------- */
1461 * Wait until Busy bit is off, or timeout (in ms)
1462 * Return last status
1464 static uchar ide_wait (int dev, ulong t)
1466 ulong delay = 10 * t; /* poll every 100 us */
1469 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1478 /* ------------------------------------------------------------------------- */
1480 #ifdef CONFIG_IDE_RESET
1481 extern void ide_set_reset(int idereset);
1483 static void ide_reset (void)
1485 #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR)
1486 volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
1491 for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i)
1493 for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i)
1494 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1496 ide_set_reset (1); /* assert reset */
1498 /* the reset signal shall be asserted for et least 25 us */
1503 #ifdef CONFIG_SYS_PB_12V_ENABLE
1504 immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */
1505 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
1506 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
1507 immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE;
1509 /* wait 500 ms for the voltage to stabilize
1511 for (i=0; i<500; ++i) {
1515 immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */
1516 #endif /* CONFIG_SYS_PB_12V_ENABLE */
1518 #ifdef CONFIG_SYS_PB_IDE_MOTOR
1519 /* configure IDE Motor voltage monitor pin as input */
1520 immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1521 immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1522 immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR);
1524 /* wait up to 1 s for the motor voltage to stabilize
1526 for (i=0; i<1000; ++i) {
1527 if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) {
1533 if (i == 1000) { /* Timeout */
1534 printf ("\nWarning: 5V for IDE Motor missing\n");
1535 # ifdef CONFIG_STATUS_LED
1536 # ifdef STATUS_LED_YELLOW
1537 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1539 # ifdef STATUS_LED_GREEN
1540 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1542 # endif /* CONFIG_STATUS_LED */
1544 #endif /* CONFIG_SYS_PB_IDE_MOTOR */
1548 /* de-assert RESET signal */
1552 for (i=0; i<250; ++i) {
1557 #endif /* CONFIG_IDE_RESET */
1559 /* ------------------------------------------------------------------------- */
1561 #if defined(CONFIG_IDE_LED) && \
1562 !defined(CONFIG_CPC45) && \
1563 !defined(CONFIG_KUP4K) && \
1564 !defined(CONFIG_KUP4X)
1566 static uchar led_buffer = 0; /* Buffer for current LED status */
1568 static void ide_led (uchar led, uchar status)
1570 uchar *led_port = LED_PORT;
1572 if (status) { /* switch LED on */
1574 } else { /* switch LED off */
1578 *led_port = led_buffer;
1581 #endif /* CONFIG_IDE_LED */
1583 #if defined(CONFIG_OF_IDE_FIXUP)
1584 int ide_device_present(int dev)
1586 if (dev >= CONFIG_SYS_IDE_MAXBUS)
1588 return (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1);
1591 /* ------------------------------------------------------------------------- */
1594 /****************************************************************************
1598 #if defined(CONFIG_IDE_SWAP_IO)
1599 /* since ATAPI may use commands with not 4 bytes alligned length
1600 * we have our own transfer functions, 2 bytes alligned */
1602 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1604 #if defined(CONFIG_CPC45)
1606 volatile uchar *pbuf_even;
1607 volatile uchar *pbuf_odd;
1609 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1610 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1613 *pbuf_even = *dbuf++;
1615 *pbuf_odd = *dbuf++;
1619 volatile ushort *pbuf;
1621 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1622 dbuf = (ushort *)sect_buf;
1624 debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1634 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1636 #if defined(CONFIG_CPC45)
1638 volatile uchar *pbuf_even;
1639 volatile uchar *pbuf_odd;
1641 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1642 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1645 *dbuf++ = *pbuf_even;
1647 *dbuf++ = *pbuf_odd;
1651 volatile ushort *pbuf;
1653 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1654 dbuf = (ushort *)sect_buf;
1656 debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1665 #else /* ! CONFIG_IDE_SWAP_IO */
1667 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1669 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1673 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1675 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1678 #endif /* CONFIG_IDE_SWAP_IO */
1681 * Wait until (Status & mask) == res, or timeout (in ms)
1682 * Return last status
1683 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1684 * and then they set their DRQ Bit
1686 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1688 ulong delay = 10 * t; /* poll every 100 us */
1691 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1692 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1693 /* break if error occurs (doesn't make sense to wait more) */
1694 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1705 * issue an atapi command
1707 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1709 unsigned char c,err,mask,res;
1711 ide_led (DEVICE_LED(device), 1); /* LED on */
1715 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1717 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1718 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1719 if ((c & mask) != res) {
1720 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1724 /* write taskfile */
1725 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1726 ide_outb (device, ATA_SECT_CNT, 0);
1727 ide_outb (device, ATA_SECT_NUM, 0);
1728 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1729 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1730 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1732 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1735 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1737 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1739 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1740 printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1745 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1746 /* ATAPI Command written wait for completition */
1747 udelay (5000); /* device must set bsy */
1749 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1750 /* if no data wait for DRQ = 0 BSY = 0
1751 * if data wait for DRQ = 1 BSY = 0 */
1755 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1756 if ((c & mask) != res ) {
1757 if (c & ATA_STAT_ERR) {
1758 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1759 debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1761 printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1766 n=ide_inb(device, ATA_CYL_HIGH);
1768 n+=ide_inb(device, ATA_CYL_LOW);
1770 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1774 if((n==0)&&(buflen<0)) {
1775 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1780 debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1782 if(n!=0) { /* data transfer */
1783 debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1784 /* we transfer shorts */
1786 /* ok now decide if it is an in or output */
1787 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1788 debug ("Write to device\n");
1789 output_data_shorts(device,(unsigned short *)buffer,n);
1791 debug ("Read from device @ %p shorts %d\n",buffer,n);
1792 input_data_shorts(device,(unsigned short *)buffer,n);
1795 udelay(5000); /* seems that some CD ROMs need this... */
1796 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1798 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1799 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1800 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1801 debug ("atapi_issue 2 returned sense key %X status %X\n",err,c);
1806 ide_led (DEVICE_LED(device), 0); /* LED off */
1811 * sending the command to atapi_issue. If an status other than good
1812 * returns, an request_sense will be issued
1815 #define ATAPI_DRIVE_NOT_READY 100
1816 #define ATAPI_UNIT_ATTN 10
1818 unsigned char atapi_issue_autoreq (int device,
1821 unsigned char *buffer,
1824 unsigned char sense_data[18],sense_ccb[12];
1825 unsigned char res,key,asc,ascq;
1826 int notready,unitattn;
1828 unitattn=ATAPI_UNIT_ATTN;
1829 notready=ATAPI_DRIVE_NOT_READY;
1832 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1834 return (0); /* Ok */
1837 return (0xFF); /* error */
1839 debug ("(auto_req)atapi_issue returned sense key %X\n",res);
1841 memset(sense_ccb,0,sizeof(sense_ccb));
1842 memset(sense_data,0,sizeof(sense_data));
1843 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1844 sense_ccb[4]=18; /* allocation Length */
1846 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1847 key=(sense_data[2]&0xF);
1848 asc=(sense_data[12]);
1849 ascq=(sense_data[13]);
1851 debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1852 debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1859 return 0; /* ok device ready */
1861 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1866 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1869 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1874 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1878 debug ("Media not present\n");
1882 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1884 debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1889 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1891 unsigned char ccb[12]; /* Command descriptor block */
1892 unsigned char iobuf[64]; /* temp buf */
1896 device=dev_desc->dev;
1897 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1898 dev_desc->block_read=atapi_read;
1900 memset(ccb,0,sizeof(ccb));
1901 memset(iobuf,0,sizeof(iobuf));
1903 ccb[0]=ATAPI_CMD_INQUIRY;
1904 ccb[4]=40; /* allocation Legnth */
1905 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1907 debug ("ATAPI_CMD_INQUIRY returned %x\n",c);
1911 /* copy device ident strings */
1912 ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8);
1913 ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16);
1914 ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5);
1919 dev_desc->type=iobuf[0] & 0x1f;
1921 if ((iobuf[1]&0x80)==0x80)
1922 dev_desc->removable = 1;
1924 dev_desc->removable = 0;
1926 memset(ccb,0,sizeof(ccb));
1927 memset(iobuf,0,sizeof(iobuf));
1928 ccb[0]=ATAPI_CMD_START_STOP;
1929 ccb[4]=0x03; /* start */
1931 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1933 debug ("ATAPI_CMD_START_STOP returned %x\n",c);
1937 memset(ccb,0,sizeof(ccb));
1938 memset(iobuf,0,sizeof(iobuf));
1939 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1941 debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1945 memset(ccb,0,sizeof(ccb));
1946 memset(iobuf,0,sizeof(iobuf));
1947 ccb[0]=ATAPI_CMD_READ_CAP;
1948 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1949 debug ("ATAPI_CMD_READ_CAP returned %x\n",c);
1953 debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1954 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1955 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1957 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1958 ((unsigned long)iobuf[1]<<16) +
1959 ((unsigned long)iobuf[2]<< 8) +
1960 ((unsigned long)iobuf[3]);
1961 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1962 ((unsigned long)iobuf[5]<<16) +
1963 ((unsigned long)iobuf[6]<< 8) +
1964 ((unsigned long)iobuf[7]);
1966 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1974 * we transfer only one block per command, since the multiple DRQ per
1975 * command is not yet implemented
1977 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1978 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1979 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1981 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer)
1984 unsigned char ccb[12]; /* Command descriptor block */
1987 debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1988 device, blknr, blkcnt, (ulong)buffer);
1991 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1992 cnt=ATAPI_READ_MAX_BLOCK;
1996 ccb[0]=ATAPI_CMD_READ_12;
1997 ccb[1]=0; /* reserved */
1998 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1999 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2000 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2001 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2002 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2003 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2004 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2005 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2006 ccb[10]=0; /* reserved */
2007 ccb[11]=0; /* reserved */
2009 if (atapi_issue_autoreq(device,ccb,12,
2010 (unsigned char *)buffer,
2011 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2017 buffer+=(cnt*ATAPI_READ_BLOCK_SIZE);
2018 } while (blkcnt > 0);
2022 /* ------------------------------------------------------------------------- */
2024 #endif /* CONFIG_ATAPI */
2029 "reset - reset IDE controller\n"
2030 "ide info - show available IDE devices\n"
2031 "ide device [dev] - show or set current device\n"
2032 "ide part [dev] - print partition table of one or all IDE devices\n"
2033 "ide read addr blk# cnt\n"
2034 "ide write addr blk# cnt - read/write `cnt'"
2035 " blocks starting at block `blk#'\n"
2036 " to/from memory address `addr'"
2040 diskboot, 3, 1, do_diskboot,
2041 "boot from IDE device",