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)
64 # define EIEIO __asm__ volatile ("eieio")
66 # define EIEIO /* nothing */
73 #define PRINTF(fmt,args...) printf (fmt ,##args)
75 #define PRINTF(fmt,args...)
78 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
80 #ifdef CONFIG_IDE_8xx_DIRECT
81 /* Timings for IDE Interface
83 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
84 * 70 165 30 PIO-Mode 0, [ns]
86 * 50 125 20 PIO-Mode 1, [ns]
88 * 30 100 15 PIO-Mode 2, [ns]
90 * 30 80 10 PIO-Mode 3, [ns]
92 * 25 70 10 PIO-Mode 4, [ns]
96 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
98 /* Setup Length Hold */
99 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
100 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
101 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
102 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
103 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
106 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
109 #define CFG_PIO_MODE 0 /* use a relaxed default */
111 static int pio_mode = CFG_PIO_MODE;
113 /* Make clock cycles and always round up */
115 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
117 #endif /* CONFIG_IDE_8xx_DIRECT */
119 /* ------------------------------------------------------------------------- */
121 /* Current I/O Device */
122 static int curr_device = -1;
124 /* Current offset for IDE0 / IDE1 bus access */
125 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
126 #if defined(CFG_ATA_IDE0_OFFSET)
129 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
135 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
137 #ifndef CONFIG_AMIGAONEG3SE
138 static int ide_bus_ok[CFG_IDE_MAXBUS];
140 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
143 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
144 /* ------------------------------------------------------------------------- */
146 #ifdef CONFIG_IDE_LED
147 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003)
148 static void ide_led (uchar led, uchar status);
150 extern void ide_led (uchar led, uchar status);
153 #ifndef CONFIG_AMIGAONEG3SE
154 #define ide_led(a,b) /* dummy */
156 extern void ide_led(uchar led, uchar status);
159 #define CONFIG_IDE_LED 1
160 #define DEVICE_LED(x) 1
164 #ifdef CONFIG_IDE_RESET
165 static void ide_reset (void);
167 #define ide_reset() /* dummy */
170 static void ide_ident (block_dev_desc_t *dev_desc);
171 static uchar ide_wait (int dev, ulong t);
173 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
175 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
177 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
179 static void __inline__ ide_outb(int dev, int port, unsigned char val);
180 static unsigned char __inline__ ide_inb(int dev, int port);
181 static void input_data(int dev, ulong *sect_buf, int words);
182 static void output_data(int dev, ulong *sect_buf, int words);
183 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
187 static void atapi_inquiry(block_dev_desc_t *dev_desc);
188 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
192 #ifdef CONFIG_IDE_8xx_DIRECT
193 static void set_pcmcia_timing (int pmode);
196 /* ------------------------------------------------------------------------- */
198 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
205 printf ("Usage:\n%s\n", cmdtp->usage);
208 if (strncmp(argv[1],"res",3) == 0) {
210 #ifdef CONFIG_IDE_8xx_DIRECT
211 " on PCMCIA " PCMCIA_SLOT_MSG
217 } else if (strncmp(argv[1],"inf",3) == 0) {
222 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
223 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
224 continue; /* list only known devices */
225 printf ("IDE device %d: ", i);
226 dev_print(&ide_dev_desc[i]);
230 } else if (strncmp(argv[1],"dev",3) == 0) {
231 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
232 puts ("\nno IDE devices available\n");
235 printf ("\nIDE device %d: ", curr_device);
236 dev_print(&ide_dev_desc[curr_device]);
238 } else if (strncmp(argv[1],"part",4) == 0) {
241 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
242 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
246 print_part(&ide_dev_desc[dev]);
250 puts ("\nno IDE devices available\n");
255 printf ("Usage:\n%s\n", cmdtp->usage);
258 if (strncmp(argv[1],"dev",3) == 0) {
259 int dev = (int)simple_strtoul(argv[2], NULL, 10);
261 printf ("\nIDE device %d: ", dev);
262 if (dev >= CFG_IDE_MAXDEVICE) {
263 puts ("unknown device\n");
266 dev_print(&ide_dev_desc[dev]);
269 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
275 puts ("... is now current device\n");
278 } else if (strncmp(argv[1],"part",4) == 0) {
279 int dev = (int)simple_strtoul(argv[2], NULL, 10);
281 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
282 print_part(&ide_dev_desc[dev]);
284 printf ("\nIDE device %d not available\n", dev);
289 } else if (strncmp(argv[1],"pio",4) == 0) {
290 int mode = (int)simple_strtoul(argv[2], NULL, 10);
292 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
297 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
298 mode, IDE_MAX_PIO_MODE);
304 printf ("Usage:\n%s\n", cmdtp->usage);
307 /* at least 4 args */
309 if (strcmp(argv[1],"read") == 0) {
310 ulong addr = simple_strtoul(argv[2], NULL, 16);
311 ulong cnt = simple_strtoul(argv[4], NULL, 16);
313 #ifdef CFG_64BIT_STRTOUL
314 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
316 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
317 curr_device, blk, cnt);
319 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
321 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
322 curr_device, blk, cnt);
325 n = ide_dev_desc[curr_device].block_read (curr_device,
328 /* flush cache after read */
329 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
331 printf ("%ld blocks read: %s\n",
332 n, (n==cnt) ? "OK" : "ERROR");
338 } else if (strcmp(argv[1],"write") == 0) {
339 ulong addr = simple_strtoul(argv[2], NULL, 16);
340 ulong cnt = simple_strtoul(argv[4], NULL, 16);
342 #ifdef CFG_64BIT_STRTOUL
343 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
345 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
346 curr_device, blk, cnt);
348 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
350 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
351 curr_device, blk, cnt);
354 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
356 printf ("%ld blocks written: %s\n",
357 n, (n==cnt) ? "OK" : "ERROR");
364 printf ("Usage:\n%s\n", cmdtp->usage);
372 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
374 char *boot_device = NULL;
379 disk_partition_t info;
385 addr = CFG_LOAD_ADDR;
386 boot_device = getenv ("bootdevice");
389 addr = simple_strtoul(argv[1], NULL, 16);
390 boot_device = getenv ("bootdevice");
393 addr = simple_strtoul(argv[1], NULL, 16);
394 boot_device = argv[2];
397 printf ("Usage:\n%s\n", cmdtp->usage);
398 SHOW_BOOT_PROGRESS (-1);
403 puts ("\n** No boot device **\n");
404 SHOW_BOOT_PROGRESS (-1);
408 dev = simple_strtoul(boot_device, &ep, 16);
410 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
411 printf ("\n** Device %d not available\n", dev);
412 SHOW_BOOT_PROGRESS (-1);
418 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
419 SHOW_BOOT_PROGRESS (-1);
422 part = simple_strtoul(++ep, NULL, 16);
424 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
425 SHOW_BOOT_PROGRESS (-1);
428 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
429 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
430 printf ("\n** Invalid partition type \"%.32s\""
431 " (expect \"" BOOT_PART_TYPE "\")\n",
433 SHOW_BOOT_PROGRESS (-1);
437 printf ("\nLoading from IDE device %d, partition %d: "
438 "Name: %.32s Type: %.32s\n",
439 dev, part, info.name, info.type);
441 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
442 info.start, info.size, info.blksz);
444 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
445 printf ("** Read error on %d:%d\n", dev, part);
446 SHOW_BOOT_PROGRESS (-1);
450 hdr = (image_header_t *)addr;
452 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
454 print_image_hdr (hdr);
456 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
457 cnt += info.blksz - 1;
461 printf("\n** Bad Magic Number **\n");
462 SHOW_BOOT_PROGRESS (-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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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 PRINTF ("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)
861 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
862 ushort *dbuf = (ushort *)sect_buf;
864 PRINTF("in input swap data base for read is %lx\n", (unsigned long) pbuf);
867 *dbuf++ = ld_le16(pbuf);
868 *dbuf++ = ld_le16(pbuf);
870 #else /* CONFIG_HMI10 */
872 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
873 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
874 ushort *dbuf = (ushort *)sect_buf;
877 for (i=0; i<2; i++) {
878 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
879 *(uchar *)dbuf = *pbuf_odd;
883 #endif /* CONFIG_HMI10 */
885 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
888 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
890 output_data(int dev, ulong *sect_buf, int words)
894 volatile ushort *pbuf;
896 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
897 dbuf = (ushort *)sect_buf;
904 #else /* CONFIG_HMI10 */
906 volatile uchar *pbuf_even;
907 volatile uchar *pbuf_odd;
909 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
910 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
911 dbuf = (uchar *)sect_buf;
914 *pbuf_even = *dbuf++;
918 *pbuf_even = *dbuf++;
922 #endif /* CONFIG_HMI10 */
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)
938 volatile ushort *pbuf;
940 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
941 dbuf = (ushort *)sect_buf;
943 PRINTF("in input data base for read is %lx\n", (unsigned long) pbuf);
951 #else /* CONFIG_HMI10 */
953 volatile uchar *pbuf_even;
954 volatile uchar *pbuf_odd;
956 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
957 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
958 dbuf = (uchar *)sect_buf;
961 *dbuf++ = *pbuf_even;
965 *dbuf++ = *pbuf_even;
969 #endif /* CONFIG_HMI10 */
971 #else /* ! __PPC__ */
973 input_data(int dev, ulong *sect_buf, int words)
975 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
980 #ifdef CONFIG_AMIGAONEG3SE
982 input_data_short(int dev, ulong *sect_buf, int words)
985 volatile ushort *pbuf;
987 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
988 dbuf = (ushort *)sect_buf;
1002 /* -------------------------------------------------------------------------
1004 static void ide_ident (block_dev_desc_t *dev_desc)
1006 ulong iobuf[ATA_SECTORWORDS];
1008 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1010 #ifdef CONFIG_AMIGAONEG3SE
1018 int mode, cycle_time;
1021 device=dev_desc->dev;
1022 printf (" Device %d: ", device);
1024 #ifdef CONFIG_AMIGAONEG3SE
1025 s = getenv("ide_maxbus");
1027 max_bus_scan = simple_strtol(s, NULL, 10);
1029 max_bus_scan = CFG_IDE_MAXBUS;
1031 if (device >= max_bus_scan*2) {
1032 dev_desc->type=DEV_TYPE_UNKNOWN;
1037 ide_led (DEVICE_LED(device), 1); /* LED on */
1040 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1041 dev_desc->if_type=IF_TYPE_IDE;
1044 #ifdef CONFIG_AMIGAONEG3SE
1048 /* Warning: This will be tricky to read */
1049 while (retries <= 1) {
1050 #endif /* CONFIG_AMIGAONEG3SE */
1052 /* check signature */
1053 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1054 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1055 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1056 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1057 /* ATAPI Signature found */
1058 dev_desc->if_type=IF_TYPE_ATAPI;
1059 /* Start Ident Command
1061 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1063 * Wait for completion - ATAPI devices need more time
1066 c = ide_wait (device, ATAPI_TIME_OUT);
1070 /* Start Ident Command
1072 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1074 /* Wait for completion
1076 c = ide_wait (device, IDE_TIME_OUT);
1078 ide_led (DEVICE_LED(device), 0); /* LED off */
1080 if (((c & ATA_STAT_DRQ) == 0) ||
1081 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1082 #ifdef CONFIG_AMIGAONEG3SE
1090 #endif /* CONFIG_AMIGAONEG3SE */
1093 #ifdef CONFIG_AMIGAONEG3SE
1094 s = getenv("ide_doreset");
1095 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1096 /* Need to soft reset the device in case it's an ATAPI... */
1097 PRINTF("Retrying...\n");
1098 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1100 ide_outb (device, ATA_COMMAND, 0x08);
1101 udelay (100000); /* 100 ms */
1106 } /* see above - ugly to read */
1107 #endif /* CONFIG_AMIGAONEG3SE */
1109 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1111 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1112 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1113 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1114 #ifdef __LITTLE_ENDIAN
1116 * firmware revision and model number have Big Endian Byte
1117 * order in Word. Convert both to little endian.
1119 * See CF+ and CompactFlash Specification Revision 2.0:
1120 * 6.2.1.6: Identfy Drive, Table 39 for more details
1123 strswab (dev_desc->revision);
1124 strswab (dev_desc->vendor);
1125 #endif /* __LITTLE_ENDIAN */
1127 if ((iop->config & 0x0080)==0x0080)
1128 dev_desc->removable = 1;
1130 dev_desc->removable = 0;
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 PRINTF ("Override tPIO -> 2\n");
1143 if (iop->field_valid & 2) { /* drive implements ATA2? */
1144 PRINTF ("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 PRINTF ("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 |
1206 ATA_DEVICE(device));
1207 ide_outb (device, ATA_COMMAND, 0xe3);
1209 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1214 /* ------------------------------------------------------------------------- */
1216 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1220 unsigned char pwrsave=0; /* power save */
1222 unsigned char lba48 = 0;
1224 if (blknr & 0x0000fffff0000000) {
1225 /* more than 28 bits used, use 48bit mode */
1229 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1230 device, blknr, blkcnt, (ulong)buffer);
1232 ide_led (DEVICE_LED(device), 1); /* LED on */
1236 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1237 c = ide_wait (device, IDE_TIME_OUT);
1239 if (c & ATA_STAT_BUSY) {
1240 printf ("IDE read: device %d not ready\n", device);
1244 /* first check if the drive is in Powersaving mode, if yes,
1245 * increase the timeout value */
1246 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1249 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1251 if (c & ATA_STAT_BUSY) {
1252 printf ("IDE read: device %d not ready\n", device);
1255 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1256 printf ("No Powersaving mode %X\n", c);
1258 c = ide_inb(device,ATA_SECT_CNT);
1259 PRINTF("Powersaving %02X\n",c);
1265 while (blkcnt-- > 0) {
1267 c = ide_wait (device, IDE_TIME_OUT);
1269 if (c & ATA_STAT_BUSY) {
1270 printf ("IDE read: device %d not ready\n", device);
1275 /* write high bits */
1276 ide_outb (device, ATA_SECT_CNT, 0);
1277 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1278 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1279 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1282 ide_outb (device, ATA_SECT_CNT, 1);
1283 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1284 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1285 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1289 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1290 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1295 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1296 ATA_DEVICE(device) |
1297 ((blknr >> 24) & 0xF) );
1298 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1304 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1307 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1310 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1311 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1312 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1315 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1316 device, (ulong)blknr, c);
1321 input_data (device, buffer, ATA_SECTORWORDS);
1322 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1326 buffer += ATA_SECTORWORDS;
1329 ide_led (DEVICE_LED(device), 0); /* LED off */
1333 /* ------------------------------------------------------------------------- */
1336 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1341 unsigned char lba48 = 0;
1343 if (blknr & 0x0000fffff0000000) {
1344 /* more than 28 bits used, use 48bit mode */
1349 ide_led (DEVICE_LED(device), 1); /* LED on */
1353 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1355 while (blkcnt-- > 0) {
1357 c = ide_wait (device, IDE_TIME_OUT);
1359 if (c & ATA_STAT_BUSY) {
1360 printf ("IDE read: device %d not ready\n", device);
1365 /* write high bits */
1366 ide_outb (device, ATA_SECT_CNT, 0);
1367 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1368 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1369 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1372 ide_outb (device, ATA_SECT_CNT, 1);
1373 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1374 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1375 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1379 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1380 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1385 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1386 ATA_DEVICE(device) |
1387 ((blknr >> 24) & 0xF) );
1388 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1393 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1395 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1396 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1397 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1400 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1401 device, (ulong)blknr, c);
1406 output_data (device, buffer, ATA_SECTORWORDS);
1407 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1410 buffer += ATA_SECTORWORDS;
1413 ide_led (DEVICE_LED(device), 0); /* LED off */
1417 /* ------------------------------------------------------------------------- */
1420 * copy src to dest, skipping leading and trailing blanks and null
1421 * terminate the string
1422 * "len" is the size of available memory including the terminating '\0'
1424 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1426 unsigned char *end, *last;
1429 end = src + len - 1;
1431 /* reserve space for '\0' */
1435 /* skip leading white space */
1436 while ((*src) && (src<end) && (*src==' '))
1439 /* copy string, omitting trailing white space */
1440 while ((*src) && (src<end)) {
1449 /* ------------------------------------------------------------------------- */
1452 * Wait until Busy bit is off, or timeout (in ms)
1453 * Return last status
1455 static uchar ide_wait (int dev, ulong t)
1457 ulong delay = 10 * t; /* poll every 100 us */
1460 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1469 /* ------------------------------------------------------------------------- */
1471 #ifdef CONFIG_IDE_RESET
1472 extern void ide_set_reset(int idereset);
1474 static void ide_reset (void)
1476 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1477 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1482 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1484 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1485 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1487 ide_set_reset (1); /* assert reset */
1491 #ifdef CFG_PB_12V_ENABLE
1492 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1493 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1494 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1495 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1497 /* wait 500 ms for the voltage to stabilize
1499 for (i=0; i<500; ++i) {
1503 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1504 #endif /* CFG_PB_12V_ENABLE */
1506 #ifdef CFG_PB_IDE_MOTOR
1507 /* configure IDE Motor voltage monitor pin as input */
1508 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1509 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1510 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1512 /* wait up to 1 s for the motor voltage to stabilize
1514 for (i=0; i<1000; ++i) {
1515 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1521 if (i == 1000) { /* Timeout */
1522 printf ("\nWarning: 5V for IDE Motor missing\n");
1523 # ifdef CONFIG_STATUS_LED
1524 # ifdef STATUS_LED_YELLOW
1525 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1527 # ifdef STATUS_LED_GREEN
1528 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1530 # endif /* CONFIG_STATUS_LED */
1532 #endif /* CFG_PB_IDE_MOTOR */
1536 /* de-assert RESET signal */
1540 for (i=0; i<250; ++i) {
1545 #endif /* CONFIG_IDE_RESET */
1547 /* ------------------------------------------------------------------------- */
1549 #if defined(CONFIG_IDE_LED) && \
1550 !defined(CONFIG_AMIGAONEG3SE) && \
1551 !defined(CONFIG_KUP4K) && \
1552 !defined(CONFIG_KUP4X) && \
1553 !defined(CONFIG_HMI10)
1555 static uchar led_buffer = 0; /* Buffer for current LED status */
1557 static void ide_led (uchar led, uchar status)
1559 uchar *led_port = LED_PORT;
1561 if (status) { /* switch LED on */
1563 } else { /* switch LED off */
1567 *led_port = led_buffer;
1570 #endif /* CONFIG_IDE_LED */
1572 /* ------------------------------------------------------------------------- */
1575 /****************************************************************************
1583 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1585 #define AT_PRINTF(fmt,args...)
1588 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1589 /* since ATAPI may use commands with not 4 bytes alligned length
1590 * we have our own transfer functions, 2 bytes alligned */
1592 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1594 #ifndef CONFIG_HMI10
1596 volatile ushort *pbuf;
1598 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1599 dbuf = (ushort *)sect_buf;
1601 PRINTF("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1607 #else /* CONFIG_HMI10 */
1609 volatile uchar *pbuf_even;
1610 volatile uchar *pbuf_odd;
1612 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1613 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1616 *pbuf_even = *dbuf++;
1618 *pbuf_odd = *dbuf++;
1620 #endif /* CONFIG_HMI10 */
1624 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1626 #ifndef CONFIG_HMI10
1628 volatile ushort *pbuf;
1630 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1631 dbuf = (ushort *)sect_buf;
1633 PRINTF("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1639 #else /* CONFIG_HMI10 */
1641 volatile uchar *pbuf_even;
1642 volatile uchar *pbuf_odd;
1644 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1645 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1648 *dbuf++ = *pbuf_even;
1650 *dbuf++ = *pbuf_odd;
1652 #endif /* CONFIG_HMI10 */
1655 #else /* ! __PPC__ */
1657 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1659 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1664 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1666 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1669 #endif /* __PPC__ */
1672 * Wait until (Status & mask) == res, or timeout (in ms)
1673 * Return last status
1674 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1675 * and then they set their DRQ Bit
1677 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1679 ulong delay = 10 * t; /* poll every 100 us */
1682 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1683 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1684 /* break if error occurs (doesn't make sense to wait more) */
1685 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1696 * issue an atapi command
1698 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1700 unsigned char c,err,mask,res;
1702 ide_led (DEVICE_LED(device), 1); /* LED on */
1706 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1708 #ifdef CONFIG_AMIGAONEG3SE
1709 # warning THF: Removed LBA mode ???
1711 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1712 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1713 if ((c & mask) != res) {
1714 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1718 /* write taskfile */
1719 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1720 ide_outb (device, ATA_SECT_CNT, 0);
1721 ide_outb (device, ATA_SECT_NUM, 0);
1722 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1723 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1724 #ifdef CONFIG_AMIGAONEG3SE
1725 # warning THF: Removed LBA mode ???
1727 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1729 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1732 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1734 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1736 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1737 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1742 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1743 /* ATAPI Command written wait for completition */
1744 udelay (5000); /* device must set bsy */
1746 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1747 /* if no data wait for DRQ = 0 BSY = 0
1748 * if data wait for DRQ = 1 BSY = 0 */
1752 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1753 if ((c & mask) != res ) {
1754 if (c & ATA_STAT_ERR) {
1755 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1756 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1758 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1763 n=ide_inb(device, ATA_CYL_HIGH);
1765 n+=ide_inb(device, ATA_CYL_LOW);
1767 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1771 if((n==0)&&(buflen<0)) {
1772 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1777 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1779 if(n!=0) { /* data transfer */
1780 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1781 /* we transfer shorts */
1783 /* ok now decide if it is an in or output */
1784 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1785 AT_PRINTF("Write to device\n");
1786 output_data_shorts(device,(unsigned short *)buffer,n);
1788 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1789 input_data_shorts(device,(unsigned short *)buffer,n);
1792 udelay(5000); /* seems that some CD ROMs need this... */
1793 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1795 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1796 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1797 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1798 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1803 ide_led (DEVICE_LED(device), 0); /* LED off */
1808 * sending the command to atapi_issue. If an status other than good
1809 * returns, an request_sense will be issued
1812 #define ATAPI_DRIVE_NOT_READY 100
1813 #define ATAPI_UNIT_ATTN 10
1815 unsigned char atapi_issue_autoreq (int device,
1818 unsigned char *buffer,
1821 unsigned char sense_data[18],sense_ccb[12];
1822 unsigned char res,key,asc,ascq;
1823 int notready,unitattn;
1825 #ifdef CONFIG_AMIGAONEG3SE
1827 unsigned int timeout, retrycnt;
1829 s = getenv("ide_cd_timeout");
1830 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1835 unitattn=ATAPI_UNIT_ATTN;
1836 notready=ATAPI_DRIVE_NOT_READY;
1839 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1841 return (0); /* Ok */
1844 return (0xFF); /* error */
1846 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1848 memset(sense_ccb,0,sizeof(sense_ccb));
1849 memset(sense_data,0,sizeof(sense_data));
1850 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1851 sense_ccb[4]=18; /* allocation Length */
1853 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1854 key=(sense_data[2]&0xF);
1855 asc=(sense_data[12]);
1856 ascq=(sense_data[13]);
1858 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1859 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1866 return 0; /* ok device ready */
1868 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1873 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1876 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1881 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1885 AT_PRINTF("Media not present\n");
1889 #ifdef CONFIG_AMIGAONEG3SE
1890 if ((sense_data[2]&0xF)==0x0B) {
1891 AT_PRINTF("ABORTED COMMAND...retry\n");
1897 if ((sense_data[2]&0xf) == 0x02 &&
1898 sense_data[12] == 0x04 &&
1899 sense_data[13] == 0x01 ) {
1900 AT_PRINTF("Waiting for unit to become active\n");
1906 #endif /* CONFIG_AMIGAONEG3SE */
1908 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1910 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1915 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1917 unsigned char ccb[12]; /* Command descriptor block */
1918 unsigned char iobuf[64]; /* temp buf */
1922 device=dev_desc->dev;
1923 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1924 dev_desc->block_read=atapi_read;
1926 memset(ccb,0,sizeof(ccb));
1927 memset(iobuf,0,sizeof(iobuf));
1929 ccb[0]=ATAPI_CMD_INQUIRY;
1930 ccb[4]=40; /* allocation Legnth */
1931 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1933 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1937 /* copy device ident strings */
1938 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1939 ident_cpy(dev_desc->product,&iobuf[16],16);
1940 ident_cpy(dev_desc->revision,&iobuf[32],5);
1945 dev_desc->type=iobuf[0] & 0x1f;
1947 if ((iobuf[1]&0x80)==0x80)
1948 dev_desc->removable = 1;
1950 dev_desc->removable = 0;
1952 memset(ccb,0,sizeof(ccb));
1953 memset(iobuf,0,sizeof(iobuf));
1954 ccb[0]=ATAPI_CMD_START_STOP;
1955 ccb[4]=0x03; /* start */
1957 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1959 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1963 memset(ccb,0,sizeof(ccb));
1964 memset(iobuf,0,sizeof(iobuf));
1965 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1967 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1971 memset(ccb,0,sizeof(ccb));
1972 memset(iobuf,0,sizeof(iobuf));
1973 ccb[0]=ATAPI_CMD_READ_CAP;
1974 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1975 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1979 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1980 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1981 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1983 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1984 ((unsigned long)iobuf[1]<<16) +
1985 ((unsigned long)iobuf[2]<< 8) +
1986 ((unsigned long)iobuf[3]);
1987 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1988 ((unsigned long)iobuf[5]<<16) +
1989 ((unsigned long)iobuf[6]<< 8) +
1990 ((unsigned long)iobuf[7]);
1992 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2000 * we transfer only one block per command, since the multiple DRQ per
2001 * command is not yet implemented
2003 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2004 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2005 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2007 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
2010 unsigned char ccb[12]; /* Command descriptor block */
2013 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2014 device, blknr, blkcnt, (ulong)buffer);
2017 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2018 cnt=ATAPI_READ_MAX_BLOCK;
2022 ccb[0]=ATAPI_CMD_READ_12;
2023 ccb[1]=0; /* reserved */
2024 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2025 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2026 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2027 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2028 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2029 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2030 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2031 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2032 ccb[10]=0; /* reserved */
2033 ccb[11]=0; /* reserved */
2035 if (atapi_issue_autoreq(device,ccb,12,
2036 (unsigned char *)buffer,
2037 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2043 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2044 } while (blkcnt > 0);
2048 /* ------------------------------------------------------------------------- */
2050 #endif /* CONFIG_ATAPI */
2054 "ide - IDE sub-system\n",
2055 "reset - reset IDE controller\n"
2056 "ide info - show available IDE devices\n"
2057 "ide device [dev] - show or set current device\n"
2058 "ide part [dev] - print partition table of one or all IDE devices\n"
2059 "ide read addr blk# cnt\n"
2060 "ide write addr blk# cnt - read/write `cnt'"
2061 " blocks starting at block `blk#'\n"
2062 " to/from memory address `addr'\n"
2066 diskboot, 3, 1, do_diskboot,
2067 "diskboot- boot from IDE device\n",
2068 "loadAddr dev:part\n"
2071 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */