2 * (C) Copyright 2000-2002
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)
68 #define PRINTF(fmt,args...) printf (fmt ,##args)
70 #define PRINTF(fmt,args...)
73 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
75 #ifdef CONFIG_IDE_8xx_DIRECT
76 /* Timings for IDE Interface
78 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
79 * 70 165 30 PIO-Mode 0, [ns]
81 * 50 125 20 PIO-Mode 1, [ns]
83 * 30 100 15 PIO-Mode 2, [ns]
85 * 30 80 10 PIO-Mode 3, [ns]
87 * 25 70 10 PIO-Mode 4, [ns]
91 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
93 /* Setup Length Hold */
94 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
95 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
96 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
97 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
98 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
101 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
104 #define CFG_PIO_MODE 0 /* use a relaxed default */
106 static int pio_mode = CFG_PIO_MODE;
108 /* Make clock cycles and always round up */
110 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
112 #endif /* CONFIG_IDE_8xx_DIRECT */
114 /* ------------------------------------------------------------------------- */
116 /* Current I/O Device */
117 static int curr_device = -1;
119 /* Current offset for IDE0 / IDE1 bus access */
120 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
121 #if defined(CFG_ATA_IDE0_OFFSET)
124 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
130 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
143 static void ide_led (uchar led, uchar status);
145 extern void ide_led (uchar led, uchar status);
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
151 extern void ide_led(uchar led, uchar status);
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
162 #define ide_reset() /* dummy */
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
174 static void __inline__ ide_outb(int dev, int port, unsigned char val);
175 static unsigned char __inline__ ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
182 static void atapi_inquiry(block_dev_desc_t *dev_desc);
183 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
187 #ifdef CONFIG_IDE_8xx_DIRECT
188 static void set_pcmcia_timing (int pmode);
191 /* ------------------------------------------------------------------------- */
193 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
200 printf ("Usage:\n%s\n", cmdtp->usage);
203 if (strncmp(argv[1],"res",3) == 0) {
205 #ifdef CONFIG_IDE_8xx_DIRECT
206 " on PCMCIA " PCMCIA_SLOT_MSG
212 } else if (strncmp(argv[1],"inf",3) == 0) {
217 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
218 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
219 continue; /* list only known devices */
220 printf ("IDE device %d: ", i);
221 dev_print(&ide_dev_desc[i]);
225 } else if (strncmp(argv[1],"dev",3) == 0) {
226 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
227 puts ("\nno IDE devices available\n");
230 printf ("\nIDE device %d: ", curr_device);
231 dev_print(&ide_dev_desc[curr_device]);
233 } else if (strncmp(argv[1],"part",4) == 0) {
236 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
237 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
241 print_part(&ide_dev_desc[dev]);
245 puts ("\nno IDE devices available\n");
250 printf ("Usage:\n%s\n", cmdtp->usage);
253 if (strncmp(argv[1],"dev",3) == 0) {
254 int dev = (int)simple_strtoul(argv[2], NULL, 10);
256 printf ("\nIDE device %d: ", dev);
257 if (dev >= CFG_IDE_MAXDEVICE) {
258 puts ("unknown device\n");
261 dev_print(&ide_dev_desc[dev]);
264 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
270 puts ("... is now current device\n");
273 } else if (strncmp(argv[1],"part",4) == 0) {
274 int dev = (int)simple_strtoul(argv[2], NULL, 10);
276 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
277 print_part(&ide_dev_desc[dev]);
279 printf ("\nIDE device %d not available\n", dev);
284 } else if (strncmp(argv[1],"pio",4) == 0) {
285 int mode = (int)simple_strtoul(argv[2], NULL, 10);
287 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
292 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
293 mode, IDE_MAX_PIO_MODE);
299 printf ("Usage:\n%s\n", cmdtp->usage);
302 /* at least 4 args */
304 if (strcmp(argv[1],"read") == 0) {
305 ulong addr = simple_strtoul(argv[2], NULL, 16);
306 #if CFG_64BIT_STRTOUL
307 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
309 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
311 ulong cnt = simple_strtoul(argv[4], NULL, 16);
314 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
315 curr_device, blk, cnt);
317 n = ide_dev_desc[curr_device].block_read (curr_device,
320 /* flush cache after read */
321 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
323 printf ("%ld blocks read: %s\n",
324 n, (n==cnt) ? "OK" : "ERROR");
330 } else if (strcmp(argv[1],"write") == 0) {
331 ulong addr = simple_strtoul(argv[2], NULL, 16);
332 #if CFG_64BIT_STRTOUL
333 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
335 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
337 ulong cnt = simple_strtoul(argv[4], NULL, 16);
340 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
341 curr_device, blk, cnt);
343 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
345 printf ("%ld blocks written: %s\n",
346 n, (n==cnt) ? "OK" : "ERROR");
353 printf ("Usage:\n%s\n", cmdtp->usage);
361 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
363 char *boot_device = NULL;
368 disk_partition_t info;
374 addr = CFG_LOAD_ADDR;
375 boot_device = getenv ("bootdevice");
378 addr = simple_strtoul(argv[1], NULL, 16);
379 boot_device = getenv ("bootdevice");
382 addr = simple_strtoul(argv[1], NULL, 16);
383 boot_device = argv[2];
386 printf ("Usage:\n%s\n", cmdtp->usage);
387 SHOW_BOOT_PROGRESS (-1);
392 puts ("\n** No boot device **\n");
393 SHOW_BOOT_PROGRESS (-1);
397 dev = simple_strtoul(boot_device, &ep, 16);
399 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
400 printf ("\n** Device %d not available\n", dev);
401 SHOW_BOOT_PROGRESS (-1);
407 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
408 SHOW_BOOT_PROGRESS (-1);
411 part = simple_strtoul(++ep, NULL, 16);
413 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
414 SHOW_BOOT_PROGRESS (-1);
417 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
418 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
419 printf ("\n** Invalid partition type \"%.32s\""
420 " (expect \"" BOOT_PART_TYPE "\")\n",
422 SHOW_BOOT_PROGRESS (-1);
426 printf ("\nLoading from IDE device %d, partition %d: "
427 "Name: %.32s Type: %.32s\n",
428 dev, part, info.name, info.type);
430 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
431 info.start, info.size, info.blksz);
433 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
434 printf ("** Read error on %d:%d\n", dev, part);
435 SHOW_BOOT_PROGRESS (-1);
439 hdr = (image_header_t *)addr;
441 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
443 print_image_hdr (hdr);
445 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
446 cnt += info.blksz - 1;
450 printf("\n** Bad Magic Number **\n");
451 SHOW_BOOT_PROGRESS (-1);
455 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
456 (ulong *)(addr+info.blksz)) != cnt) {
457 printf ("** Read error on %d:%d\n", dev, part);
458 SHOW_BOOT_PROGRESS (-1);
463 /* Loading ok, update default load address */
467 /* Check if we should attempt an auto-start */
468 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
470 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
472 local_args[0] = argv[0];
473 local_args[1] = NULL;
475 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
477 do_bootm (cmdtp, 0, 1, local_args);
483 /* ------------------------------------------------------------------------- */
488 #ifdef CONFIG_IDE_8xx_DIRECT
489 DECLARE_GLOBAL_DATA_PTR;
490 volatile immap_t *immr = (immap_t *)CFG_IMMR;
491 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
495 #ifdef CONFIG_AMIGAONEG3SE
496 unsigned int max_bus_scan;
497 unsigned int ata_reset_time;
500 #ifdef CONFIG_IDE_8xx_PCCARD
501 extern int pcmcia_on (void);
502 extern int ide_devices_found; /* Initialized in check_ide_device() */
503 #endif /* CONFIG_IDE_8xx_PCCARD */
505 #ifdef CONFIG_IDE_PREINIT
508 if (ide_preinit ()) {
509 puts ("ide_preinit failed\n");
512 #endif /* CONFIG_IDE_PREINIT */
514 #ifdef CONFIG_IDE_8xx_PCCARD
515 extern int pcmcia_on (void);
516 extern int ide_devices_found; /* Initialized in check_ide_device() */
520 ide_devices_found = 0;
521 /* initialize the PCMCIA IDE adapter card */
523 if (!ide_devices_found)
525 udelay (1000000); /* 1 s */
526 #endif /* CONFIG_IDE_8xx_PCCARD */
530 #ifdef CONFIG_IDE_8xx_DIRECT
531 /* Initialize PIO timing tables */
532 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
533 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
535 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
537 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
539 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
541 " hold=%2d ns/%d clk\n",
543 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
544 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
545 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
547 #endif /* CONFIG_IDE_8xx_DIRECT */
549 /* Reset the IDE just to be sure.
550 * Light LED's to show
552 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
553 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
555 #ifdef CONFIG_IDE_8xx_DIRECT
556 /* PCMCIA / IDE initialization for common mem space */
557 pcmp->pcmc_pgcrb = 0;
559 /* start in PIO mode 0 - most relaxed timings */
561 set_pcmcia_timing (pio_mode);
562 #endif /* CONFIG_IDE_8xx_DIRECT */
565 * Wait for IDE to get ready.
566 * According to spec, this can take up to 31 seconds!
568 #ifndef CONFIG_AMIGAONEG3SE
569 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
570 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
572 s = getenv("ide_maxbus");
574 max_bus_scan = simple_strtol(s, NULL, 10);
576 max_bus_scan = CFG_IDE_MAXBUS;
578 for (bus=0; bus<max_bus_scan; ++bus) {
579 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
582 #ifdef CONFIG_IDE_8xx_PCCARD
583 /* Skip non-ide devices from probing */
584 if ((ide_devices_found & (1 << bus)) == 0) {
585 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
589 printf ("Bus %d: ", bus);
595 udelay (100000); /* 100 ms */
596 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
597 udelay (100000); /* 100 ms */
598 #ifdef CONFIG_AMIGAONEG3SE
599 ata_reset_time = ATA_RESET_TIME;
600 s = getenv("ide_reset_timeout");
601 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
605 udelay (10000); /* 10 ms */
607 c = ide_inb (dev, ATA_STATUS);
609 #ifdef CONFIG_AMIGAONEG3SE
610 if (i > (ata_reset_time * 100)) {
612 if (i > (ATA_RESET_TIME * 100)) {
614 puts ("** Timeout **\n");
615 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
616 #ifdef CONFIG_AMIGAONEG3SE
617 /* If this is the second bus, the first one was OK */
625 if ((i >= 100) && ((i%100)==0)) {
628 } while (c & ATA_STAT_BUSY);
630 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
631 puts ("not available ");
632 PRINTF ("Status = 0x%02X ", c);
633 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
634 } else if ((c & ATA_STAT_READY) == 0) {
635 puts ("not available ");
636 PRINTF ("Status = 0x%02X ", c);
645 #ifdef CONFIG_AMIGAONEG3SE
650 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
653 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
654 #ifdef CONFIG_IDE_LED
655 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
657 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
658 ide_dev_desc[i].if_type=IF_TYPE_IDE;
659 ide_dev_desc[i].dev=i;
660 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
661 ide_dev_desc[i].blksz=0;
662 ide_dev_desc[i].lba=0;
663 ide_dev_desc[i].block_read=ide_read;
664 if (!ide_bus_ok[IDE_BUS(i)])
666 ide_led (led, 1); /* LED on */
667 ide_ident(&ide_dev_desc[i]);
668 ide_led (led, 0); /* LED off */
669 dev_print(&ide_dev_desc[i]);
671 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
672 init_part (&ide_dev_desc[i]); /* initialize partition type */
680 /* ------------------------------------------------------------------------- */
682 block_dev_desc_t * ide_get_dev(int dev)
684 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
688 #ifdef CONFIG_IDE_8xx_DIRECT
691 set_pcmcia_timing (int pmode)
693 volatile immap_t *immr = (immap_t *)CFG_IMMR;
694 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
697 PRINTF ("Set timing for PIO Mode %d\n", pmode);
699 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
700 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
701 | PCMCIA_SL (pio_config_clk[pmode].t_length)
706 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
707 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
708 #if (CFG_PCMCIA_POR0 != 0)
712 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
714 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
715 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
716 #if (CFG_PCMCIA_POR1 != 0)
720 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
722 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
723 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
724 #if (CFG_PCMCIA_POR2 != 0)
728 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
730 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
731 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
732 #if (CFG_PCMCIA_POR3 != 0)
736 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
740 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
741 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
742 #if (CFG_PCMCIA_POR4 != 0)
746 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
748 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
749 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
750 #if (CFG_PCMCIA_POR5 != 0)
754 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
756 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
757 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
758 #if (CFG_PCMCIA_POR6 != 0)
762 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
764 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
765 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
766 #if (CFG_PCMCIA_POR7 != 0)
770 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
774 #endif /* CONFIG_IDE_8xx_DIRECT */
776 /* ------------------------------------------------------------------------- */
779 static void __inline__
780 ide_outb(int dev, int port, unsigned char val)
782 PRINTF ("ide_outb (dev= %d, port= %d, val= 0x%02x) : @ 0x%08lx\n",
783 dev, port, val, (ATA_CURR_BASE(dev)+port));
785 /* Ensure I/O operations complete */
786 __asm__ volatile("eieio");
787 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
789 #else /* ! __PPC__ */
790 static void __inline__
791 ide_outb(int dev, int port, unsigned char val)
793 outb(val, ATA_CURR_BASE(dev)+port);
799 static unsigned char __inline__
800 ide_inb(int dev, int port)
803 /* Ensure I/O operations complete */
804 __asm__ volatile("eieio");
805 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
806 PRINTF ("ide_inb (dev= %d, port= %d) : @ 0x%08lx -> 0x%02x\n",
807 dev, port, (ATA_CURR_BASE(dev)+port), val);
810 #else /* ! __PPC__ */
811 static unsigned char __inline__
812 ide_inb(int dev, int port)
814 return inb(ATA_CURR_BASE(dev)+port);
819 # ifdef CONFIG_AMIGAONEG3SE
821 output_data_short(int dev, ulong *sect_buf, int words)
824 volatile ushort *pbuf;
826 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
827 dbuf = (ushort *)sect_buf;
829 __asm__ volatile ("eieio");
831 __asm__ volatile ("eieio");
837 # endif /* CONFIG_AMIGAONEG3SE */
840 /* We only need to swap data if we are running on a big endian cpu. */
841 /* But Au1x00 cpu:s already swaps data in big endian mode! */
842 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
843 #define input_swap_data(x,y,z) input_data(x,y,z)
846 input_swap_data(int dev, ulong *sect_buf, int words)
849 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
850 ushort *dbuf = (ushort *)sect_buf;
853 *dbuf++ = ld_le16(pbuf);
854 *dbuf++ = ld_le16(pbuf);
856 #else /* CONFIG_HMI10 */
858 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
859 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
860 ushort *dbuf = (ushort *)sect_buf;
863 for (i=0; i<2; i++) {
864 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
865 *(uchar *)dbuf = *pbuf_odd;
869 #endif /* CONFIG_HMI10 */
871 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
876 output_data(int dev, ulong *sect_buf, int words)
880 volatile ushort *pbuf;
882 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
883 dbuf = (ushort *)sect_buf;
885 __asm__ volatile ("eieio");
887 __asm__ volatile ("eieio");
890 #else /* CONFIG_HMI10 */
892 volatile uchar *pbuf_even;
893 volatile uchar *pbuf_odd;
895 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
896 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
897 dbuf = (uchar *)sect_buf;
899 __asm__ volatile ("eieio");
900 *pbuf_even = *dbuf++;
901 __asm__ volatile ("eieio");
903 __asm__ volatile ("eieio");
904 *pbuf_even = *dbuf++;
905 __asm__ volatile ("eieio");
908 #endif /* CONFIG_HMI10 */
910 #else /* ! __PPC__ */
912 output_data(int dev, ulong *sect_buf, int words)
914 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
920 input_data(int dev, ulong *sect_buf, int words)
924 volatile ushort *pbuf;
926 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
927 dbuf = (ushort *)sect_buf;
929 __asm__ volatile ("eieio");
931 __asm__ volatile ("eieio");
934 #else /* CONFIG_HMI10 */
936 volatile uchar *pbuf_even;
937 volatile uchar *pbuf_odd;
939 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
940 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
941 dbuf = (uchar *)sect_buf;
943 __asm__ volatile ("eieio");
944 *dbuf++ = *pbuf_even;
945 __asm__ volatile ("eieio");
947 __asm__ volatile ("eieio");
948 *dbuf++ = *pbuf_even;
949 __asm__ volatile ("eieio");
952 #endif /* CONFIG_HMI10 */
954 #else /* ! __PPC__ */
956 input_data(int dev, ulong *sect_buf, int words)
958 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
963 #ifdef CONFIG_AMIGAONEG3SE
965 input_data_short(int dev, ulong *sect_buf, int words)
968 volatile ushort *pbuf;
970 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
971 dbuf = (ushort *)sect_buf;
973 __asm__ volatile ("eieio");
975 __asm__ volatile ("eieio");
985 /* -------------------------------------------------------------------------
987 static void ide_ident (block_dev_desc_t *dev_desc)
989 ulong iobuf[ATA_SECTORWORDS];
991 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
993 #ifdef CONFIG_AMIGAONEG3SE
1001 int mode, cycle_time;
1004 device=dev_desc->dev;
1005 printf (" Device %d: ", device);
1007 #ifdef CONFIG_AMIGAONEG3SE
1008 s = getenv("ide_maxbus");
1010 max_bus_scan = simple_strtol(s, NULL, 10);
1012 max_bus_scan = CFG_IDE_MAXBUS;
1014 if (device >= max_bus_scan*2) {
1015 dev_desc->type=DEV_TYPE_UNKNOWN;
1020 ide_led (DEVICE_LED(device), 1); /* LED on */
1023 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1024 dev_desc->if_type=IF_TYPE_IDE;
1027 #ifdef CONFIG_AMIGAONEG3SE
1031 /* Warning: This will be tricky to read */
1032 while (retries <= 1) {
1033 #endif /* CONFIG_AMIGAONEG3SE */
1035 /* check signature */
1036 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1037 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1038 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1039 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1040 /* ATAPI Signature found */
1041 dev_desc->if_type=IF_TYPE_ATAPI;
1042 /* Start Ident Command
1044 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1046 * Wait for completion - ATAPI devices need more time
1049 c = ide_wait (device, ATAPI_TIME_OUT);
1053 /* Start Ident Command
1055 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1057 /* Wait for completion
1059 c = ide_wait (device, IDE_TIME_OUT);
1061 ide_led (DEVICE_LED(device), 0); /* LED off */
1063 if (((c & ATA_STAT_DRQ) == 0) ||
1064 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1065 #ifdef CONFIG_AMIGAONEG3SE
1073 #endif /* CONFIG_AMIGAONEG3SE */
1076 #ifdef CONFIG_AMIGAONEG3SE
1077 s = getenv("ide_doreset");
1078 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1079 /* Need to soft reset the device in case it's an ATAPI... */
1080 PRINTF("Retrying...\n");
1081 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1083 ide_outb (device, ATA_COMMAND, 0x08);
1084 udelay (100000); /* 100 ms */
1089 } /* see above - ugly to read */
1090 #endif /* CONFIG_AMIGAONEG3SE */
1092 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1094 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1095 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1096 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1098 if ((iop->config & 0x0080)==0x0080)
1099 dev_desc->removable = 1;
1101 dev_desc->removable = 0;
1105 * Drive PIO mode autoselection
1109 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1110 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1112 PRINTF ("Override tPIO -> 2\n");
1114 if (iop->field_valid & 2) { /* drive implements ATA2? */
1115 PRINTF ("Drive implements ATA2\n");
1116 if (iop->capability & 8) { /* drive supports use_iordy? */
1117 cycle_time = iop->eide_pio_iordy;
1119 cycle_time = iop->eide_pio;
1121 PRINTF ("cycle time = %d\n", cycle_time);
1123 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1124 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1125 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1126 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1128 printf ("PIO mode to use: PIO %d\n", mode);
1132 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1133 atapi_inquiry(dev_desc);
1136 #endif /* CONFIG_ATAPI */
1139 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1142 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1143 dev_desc->lba48support = 1;
1144 dev_desc->lba48 = (unsigned long long)iop->lba48_capacity[0] |
1145 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1146 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1147 ((unsigned long long)iop->lba48_capacity[3] << 48);
1149 dev_desc->lba48support = 0;
1150 dev_desc->lba48 = 0;
1152 #endif /* CONFIG_LBA48 */
1154 dev_desc->type=DEV_TYPE_HARDDISK;
1155 dev_desc->blksz=ATA_BLOCKSIZE;
1156 dev_desc->lun=0; /* just to fill something in... */
1158 #if 0 /* only used to test the powersaving mode,
1159 * if enabled, the drive goes after 5 sec
1160 * in standby mode */
1161 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1162 c = ide_wait (device, IDE_TIME_OUT);
1163 ide_outb (device, ATA_SECT_CNT, 1);
1164 ide_outb (device, ATA_LBA_LOW, 0);
1165 ide_outb (device, ATA_LBA_MID, 0);
1166 ide_outb (device, ATA_LBA_HIGH, 0);
1167 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1168 ATA_DEVICE(device));
1169 ide_outb (device, ATA_COMMAND, 0xe3);
1171 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1176 /* ------------------------------------------------------------------------- */
1178 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1182 unsigned char pwrsave=0; /* power save */
1184 unsigned char lba48 = 0;
1186 if (blknr & 0x0000fffff0000000) {
1187 /* more than 28 bits used, use 48bit mode */
1191 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1192 device, blknr, blkcnt, (ulong)buffer);
1194 ide_led (DEVICE_LED(device), 1); /* LED on */
1198 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1199 c = ide_wait (device, IDE_TIME_OUT);
1201 if (c & ATA_STAT_BUSY) {
1202 printf ("IDE read: device %d not ready\n", device);
1206 /* first check if the drive is in Powersaving mode, if yes,
1207 * increase the timeout value */
1208 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1211 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1213 if (c & ATA_STAT_BUSY) {
1214 printf ("IDE read: device %d not ready\n", device);
1217 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1218 printf ("No Powersaving mode %X\n", c);
1220 c = ide_inb(device,ATA_SECT_CNT);
1221 PRINTF("Powersaving %02X\n",c);
1227 while (blkcnt-- > 0) {
1229 c = ide_wait (device, IDE_TIME_OUT);
1231 if (c & ATA_STAT_BUSY) {
1232 printf ("IDE read: device %d not ready\n", device);
1237 /* write high bits */
1238 ide_outb (device, ATA_SECT_CNT, 0);
1239 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1240 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1241 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1244 ide_outb (device, ATA_SECT_CNT, 1);
1245 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1246 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1247 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1251 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1252 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1257 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1258 ATA_DEVICE(device) |
1259 ((blknr >> 24) & 0xF) );
1260 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1266 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1269 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1272 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1273 #if CFG_64BIT_LBA && CFG_64BIT_VSPRINTF
1274 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1277 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1278 device, (ulong)blknr, c);
1283 input_data (device, buffer, ATA_SECTORWORDS);
1284 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1288 buffer += ATA_SECTORWORDS;
1291 ide_led (DEVICE_LED(device), 0); /* LED off */
1295 /* ------------------------------------------------------------------------- */
1298 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1303 unsigned char lba48 = 0;
1305 if (blknr & 0x0000fffff0000000) {
1306 /* more than 28 bits used, use 48bit mode */
1311 ide_led (DEVICE_LED(device), 1); /* LED on */
1315 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1317 while (blkcnt-- > 0) {
1319 c = ide_wait (device, IDE_TIME_OUT);
1321 if (c & ATA_STAT_BUSY) {
1322 printf ("IDE read: device %d not ready\n", device);
1327 /* write high bits */
1328 ide_outb (device, ATA_SECT_CNT, 0);
1329 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1330 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1331 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1334 ide_outb (device, ATA_SECT_CNT, 1);
1335 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1336 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1337 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1341 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1342 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1347 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1348 ATA_DEVICE(device) |
1349 ((blknr >> 24) & 0xF) );
1350 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1355 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1357 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1358 #if CFG_64BIT_LBA && CFG_64BIT_VSPRINTF
1359 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1362 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1363 device, (ulong)blknr, c);
1368 output_data (device, buffer, ATA_SECTORWORDS);
1369 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1372 buffer += ATA_SECTORWORDS;
1375 ide_led (DEVICE_LED(device), 0); /* LED off */
1379 /* ------------------------------------------------------------------------- */
1382 * copy src to dest, skipping leading and trailing blanks and null
1383 * terminate the string
1385 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len)
1391 if (src[start]!=' ')
1401 for ( ; start<=end; start++) {
1407 /* ------------------------------------------------------------------------- */
1410 * Wait until Busy bit is off, or timeout (in ms)
1411 * Return last status
1413 static uchar ide_wait (int dev, ulong t)
1415 ulong delay = 10 * t; /* poll every 100 us */
1418 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1427 /* ------------------------------------------------------------------------- */
1429 #ifdef CONFIG_IDE_RESET
1430 extern void ide_set_reset(int idereset);
1432 static void ide_reset (void)
1434 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1435 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1440 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1442 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1443 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1445 ide_set_reset (1); /* assert reset */
1449 #ifdef CFG_PB_12V_ENABLE
1450 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1451 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1452 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1453 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1455 /* wait 500 ms for the voltage to stabilize
1457 for (i=0; i<500; ++i) {
1461 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1462 #endif /* CFG_PB_12V_ENABLE */
1464 #ifdef CFG_PB_IDE_MOTOR
1465 /* configure IDE Motor voltage monitor pin as input */
1466 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1467 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1468 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1470 /* wait up to 1 s for the motor voltage to stabilize
1472 for (i=0; i<1000; ++i) {
1473 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1479 if (i == 1000) { /* Timeout */
1480 printf ("\nWarning: 5V for IDE Motor missing\n");
1481 # ifdef CONFIG_STATUS_LED
1482 # ifdef STATUS_LED_YELLOW
1483 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1485 # ifdef STATUS_LED_GREEN
1486 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1488 # endif /* CONFIG_STATUS_LED */
1490 #endif /* CFG_PB_IDE_MOTOR */
1494 /* de-assert RESET signal */
1498 for (i=0; i<250; ++i) {
1503 #endif /* CONFIG_IDE_RESET */
1505 /* ------------------------------------------------------------------------- */
1507 #if defined(CONFIG_IDE_LED) && !defined(CONFIG_AMIGAONEG3SE) && !defined(CONFIG_KUP4K) && !defined(CONFIG_HMI10)
1509 static uchar led_buffer = 0; /* Buffer for current LED status */
1511 static void ide_led (uchar led, uchar status)
1513 uchar *led_port = LED_PORT;
1515 if (status) { /* switch LED on */
1517 } else { /* switch LED off */
1521 *led_port = led_buffer;
1524 #endif /* CONFIG_IDE_LED */
1526 /* ------------------------------------------------------------------------- */
1529 /****************************************************************************
1537 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1539 #define AT_PRINTF(fmt,args...)
1543 /* since ATAPI may use commands with not 4 bytes alligned length
1544 * we have our own transfer functions, 2 bytes alligned */
1546 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1548 #ifndef CONFIG_HMI10
1550 volatile ushort *pbuf;
1552 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1553 dbuf = (ushort *)sect_buf;
1555 __asm__ volatile ("eieio");
1558 #else /* CONFIG_HMI10 */
1560 volatile uchar *pbuf_even;
1561 volatile uchar *pbuf_odd;
1563 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1564 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1566 __asm__ volatile ("eieio");
1567 *pbuf_even = *dbuf++;
1568 __asm__ volatile ("eieio");
1569 *pbuf_odd = *dbuf++;
1571 #endif /* CONFIG_HMI10 */
1575 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1577 #ifndef CONFIG_HMI10
1579 volatile ushort *pbuf;
1581 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1582 dbuf = (ushort *)sect_buf;
1584 __asm__ volatile ("eieio");
1587 #else /* CONFIG_HMI10 */
1589 volatile uchar *pbuf_even;
1590 volatile uchar *pbuf_odd;
1592 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1593 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1595 __asm__ volatile ("eieio");
1596 *dbuf++ = *pbuf_even;
1597 __asm__ volatile ("eieio");
1598 *dbuf++ = *pbuf_odd;
1600 #endif /* CONFIG_HMI10 */
1603 #else /* ! __PPC__ */
1605 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1607 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1612 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1614 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1617 #endif /* __PPC__ */
1620 * Wait until (Status & mask) == res, or timeout (in ms)
1621 * Return last status
1622 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1623 * and then they set their DRQ Bit
1625 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1627 ulong delay = 10 * t; /* poll every 100 us */
1630 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1631 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1632 /* break if error occurs (doesn't make sense to wait more) */
1633 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1644 * issue an atapi command
1646 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1648 unsigned char c,err,mask,res;
1650 ide_led (DEVICE_LED(device), 1); /* LED on */
1654 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1656 #ifdef CONFIG_AMIGAONEG3SE
1657 # warning THF: Removed LBA mode ???
1659 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1660 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1661 if ((c & mask) != res) {
1662 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1666 /* write taskfile */
1667 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1668 ide_outb (device, ATA_SECT_CNT, 0);
1669 ide_outb (device, ATA_SECT_NUM, 0);
1670 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1671 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1672 #ifdef CONFIG_AMIGAONEG3SE
1673 # warning THF: Removed LBA mode ???
1675 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1677 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1680 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1682 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1684 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1685 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1690 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1691 /* ATAPI Command written wait for completition */
1692 udelay (5000); /* device must set bsy */
1694 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1695 /* if no data wait for DRQ = 0 BSY = 0
1696 * if data wait for DRQ = 1 BSY = 0 */
1700 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1701 if ((c & mask) != res ) {
1702 if (c & ATA_STAT_ERR) {
1703 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1704 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1706 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1711 n=ide_inb(device, ATA_CYL_HIGH);
1713 n+=ide_inb(device, ATA_CYL_LOW);
1715 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1719 if((n==0)&&(buflen<0)) {
1720 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1725 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1727 if(n!=0) { /* data transfer */
1728 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1729 /* we transfer shorts */
1731 /* ok now decide if it is an in or output */
1732 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1733 AT_PRINTF("Write to device\n");
1734 output_data_shorts(device,(unsigned short *)buffer,n);
1736 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1737 input_data_shorts(device,(unsigned short *)buffer,n);
1740 udelay(5000); /* seems that some CD ROMs need this... */
1741 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1743 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1744 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1745 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1746 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1751 ide_led (DEVICE_LED(device), 0); /* LED off */
1756 * sending the command to atapi_issue. If an status other than good
1757 * returns, an request_sense will be issued
1760 #define ATAPI_DRIVE_NOT_READY 100
1761 #define ATAPI_UNIT_ATTN 10
1763 unsigned char atapi_issue_autoreq (int device,
1766 unsigned char *buffer,
1769 unsigned char sense_data[18],sense_ccb[12];
1770 unsigned char res,key,asc,ascq;
1771 int notready,unitattn;
1773 #ifdef CONFIG_AMIGAONEG3SE
1775 unsigned int timeout, retrycnt;
1777 s = getenv("ide_cd_timeout");
1778 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1783 unitattn=ATAPI_UNIT_ATTN;
1784 notready=ATAPI_DRIVE_NOT_READY;
1787 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1789 return (0); /* Ok */
1792 return (0xFF); /* error */
1794 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1796 memset(sense_ccb,0,sizeof(sense_ccb));
1797 memset(sense_data,0,sizeof(sense_data));
1798 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1799 sense_ccb[4]=18; /* allocation Length */
1801 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1802 key=(sense_data[2]&0xF);
1803 asc=(sense_data[12]);
1804 ascq=(sense_data[13]);
1806 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1807 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1814 return 0; /* ok device ready */
1816 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1821 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1824 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1829 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1833 AT_PRINTF("Media not present\n");
1837 #ifdef CONFIG_AMIGAONEG3SE
1838 if ((sense_data[2]&0xF)==0x0B) {
1839 AT_PRINTF("ABORTED COMMAND...retry\n");
1845 if ((sense_data[2]&0xf) == 0x02 &&
1846 sense_data[12] == 0x04 &&
1847 sense_data[13] == 0x01 ) {
1848 AT_PRINTF("Waiting for unit to become active\n");
1854 #endif /* CONFIG_AMIGAONEG3SE */
1856 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1858 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1863 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1865 unsigned char ccb[12]; /* Command descriptor block */
1866 unsigned char iobuf[64]; /* temp buf */
1870 device=dev_desc->dev;
1871 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1872 dev_desc->block_read=atapi_read;
1874 memset(ccb,0,sizeof(ccb));
1875 memset(iobuf,0,sizeof(iobuf));
1877 ccb[0]=ATAPI_CMD_INQUIRY;
1878 ccb[4]=40; /* allocation Legnth */
1879 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1881 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1885 /* copy device ident strings */
1886 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1887 ident_cpy(dev_desc->product,&iobuf[16],16);
1888 ident_cpy(dev_desc->revision,&iobuf[32],5);
1893 dev_desc->type=iobuf[0] & 0x1f;
1895 if ((iobuf[1]&0x80)==0x80)
1896 dev_desc->removable = 1;
1898 dev_desc->removable = 0;
1900 memset(ccb,0,sizeof(ccb));
1901 memset(iobuf,0,sizeof(iobuf));
1902 ccb[0]=ATAPI_CMD_START_STOP;
1903 ccb[4]=0x03; /* start */
1905 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1907 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1911 memset(ccb,0,sizeof(ccb));
1912 memset(iobuf,0,sizeof(iobuf));
1913 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1915 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1919 memset(ccb,0,sizeof(ccb));
1920 memset(iobuf,0,sizeof(iobuf));
1921 ccb[0]=ATAPI_CMD_READ_CAP;
1922 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1923 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1927 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1928 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1929 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1931 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1932 ((unsigned long)iobuf[1]<<16) +
1933 ((unsigned long)iobuf[2]<< 8) +
1934 ((unsigned long)iobuf[3]);
1935 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1936 ((unsigned long)iobuf[5]<<16) +
1937 ((unsigned long)iobuf[6]<< 8) +
1938 ((unsigned long)iobuf[7]);
1939 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
1946 * we transfer only one block per command, since the multiple DRQ per
1947 * command is not yet implemented
1949 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
1950 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
1951 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
1953 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1956 unsigned char ccb[12]; /* Command descriptor block */
1959 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
1960 device, blknr, blkcnt, (ulong)buffer);
1963 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
1964 cnt=ATAPI_READ_MAX_BLOCK;
1968 ccb[0]=ATAPI_CMD_READ_12;
1969 ccb[1]=0; /* reserved */
1970 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
1971 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
1972 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
1973 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
1974 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
1975 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
1976 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
1977 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
1978 ccb[10]=0; /* reserved */
1979 ccb[11]=0; /* reserved */
1981 if (atapi_issue_autoreq(device,ccb,12,
1982 (unsigned char *)buffer,
1983 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
1989 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
1990 } while (blkcnt > 0);
1994 /* ------------------------------------------------------------------------- */
1996 #endif /* CONFIG_ATAPI */
2000 "ide - IDE sub-system\n",
2001 "reset - reset IDE controller\n"
2002 "ide info - show available IDE devices\n"
2003 "ide device [dev] - show or set current device\n"
2004 "ide part [dev] - print partition table of one or all IDE devices\n"
2005 "ide read addr blk# cnt\n"
2006 "ide write addr blk# cnt - read/write `cnt'"
2007 " blocks starting at block `blk#'\n"
2008 " to/from memory address `addr'\n"
2012 diskboot, 3, 1, do_diskboot,
2013 "diskboot- boot from IDE device\n",
2014 "loadAddr dev:part\n"
2017 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */