diff options
| -rw-r--r-- | common/cmd_ide.c | 1714 |
1 files changed, 874 insertions, 840 deletions
diff --git a/common/cmd_ide.c b/common/cmd_ide.c index 1fc0377..bbede1c 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2005 + * (C) Copyright 2000-2011 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -119,7 +119,6 @@ ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = { #endif }; - static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS]; block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE]; @@ -173,176 +172,167 @@ static void set_pcmcia_timing (int pmode); /* ------------------------------------------------------------------------- */ -int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { - int rcode = 0; - - switch (argc) { - case 0: - case 1: - return cmd_usage(cmdtp); - case 2: - if (strncmp(argv[1],"res",3) == 0) { - puts ("\nReset IDE" + int rcode = 0; + + switch (argc) { + case 0: + case 1: + return cmd_usage(cmdtp); + case 2: + if (strncmp(argv[1], "res", 3) == 0) { + puts("\nReset IDE" #ifdef CONFIG_IDE_8xx_DIRECT - " on PCMCIA " PCMCIA_SLOT_MSG + " on PCMCIA " PCMCIA_SLOT_MSG #endif - ": "); + ": "); - ide_init (); - return 0; - } else if (strncmp(argv[1],"inf",3) == 0) { - int i; + ide_init(); + return 0; + } else if (strncmp(argv[1], "inf", 3) == 0) { + int i; - putc ('\n'); + putc('\n'); - for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) { - if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN) - continue; /* list only known devices */ - printf ("IDE device %d: ", i); - dev_print(&ide_dev_desc[i]); - } - return 0; + for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) { + if (ide_dev_desc[i].type == DEV_TYPE_UNKNOWN) + continue; /* list only known devices */ + printf("IDE device %d: ", i); + dev_print(&ide_dev_desc[i]); + } + return 0; - } else if (strncmp(argv[1],"dev",3) == 0) { - if ((curr_device < 0) || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) { - puts ("\nno IDE devices available\n"); - return 1; - } - printf ("\nIDE device %d: ", curr_device); - dev_print(&ide_dev_desc[curr_device]); - return 0; - } else if (strncmp(argv[1],"part",4) == 0) { - int dev, ok; - - for (ok=0, dev=0; dev<CONFIG_SYS_IDE_MAXDEVICE; ++dev) { - if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { - ++ok; - if (dev) - putc ('\n'); - print_part(&ide_dev_desc[dev]); + } else if (strncmp(argv[1], "dev", 3) == 0) { + if ((curr_device < 0) + || (curr_device >= CONFIG_SYS_IDE_MAXDEVICE)) { + puts("\nno IDE devices available\n"); + return 1; } + printf("\nIDE device %d: ", curr_device); + dev_print(&ide_dev_desc[curr_device]); + return 0; + } else if (strncmp(argv[1], "part", 4) == 0) { + int dev, ok; + + for (ok = 0, dev = 0; + dev < CONFIG_SYS_IDE_MAXDEVICE; + ++dev) { + if (ide_dev_desc[dev].part_type != + PART_TYPE_UNKNOWN) { + ++ok; + if (dev) + putc('\n'); + print_part(&ide_dev_desc[dev]); + } + } + if (!ok) { + puts("\nno IDE devices available\n"); + rcode++; + } + return rcode; } - if (!ok) { - puts ("\nno IDE devices available\n"); - rcode ++; - } - return rcode; - } - return cmd_usage(cmdtp); - case 3: - if (strncmp(argv[1],"dev",3) == 0) { - int dev = (int)simple_strtoul(argv[2], NULL, 10); - - printf ("\nIDE device %d: ", dev); - if (dev >= CONFIG_SYS_IDE_MAXDEVICE) { - puts ("unknown device\n"); - return 1; - } - dev_print(&ide_dev_desc[dev]); - /*ide_print (dev);*/ + return cmd_usage(cmdtp); + case 3: + if (strncmp(argv[1], "dev", 3) == 0) { + int dev = (int) simple_strtoul(argv[2], NULL, 10); - if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { - return 1; - } + printf("\nIDE device %d: ", dev); + if (dev >= CONFIG_SYS_IDE_MAXDEVICE) { + puts("unknown device\n"); + return 1; + } + dev_print(&ide_dev_desc[dev]); + /*ide_print (dev); */ - curr_device = dev; + if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) + return 1; - puts ("... is now current device\n"); + curr_device = dev; - return 0; - } else if (strncmp(argv[1],"part",4) == 0) { - int dev = (int)simple_strtoul(argv[2], NULL, 10); + puts("... is now current device\n"); + + return 0; + } else if (strncmp(argv[1], "part", 4) == 0) { + int dev = (int) simple_strtoul(argv[2], NULL, 10); - if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) { + if (ide_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) { print_part(&ide_dev_desc[dev]); - } else { - printf ("\nIDE device %d not available\n", dev); - rcode = 1; + } else { + printf("\nIDE device %d not available\n", + dev); + rcode = 1; + } + return rcode; } - return rcode; -#if 0 - } else if (strncmp(argv[1],"pio",4) == 0) { - int mode = (int)simple_strtoul(argv[2], NULL, 10); - if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) { - puts ("\nSetting "); - pio_mode = mode; - ide_init (); - } else { - printf ("\nInvalid PIO mode %d (0 ... %d only)\n", - mode, IDE_MAX_PIO_MODE); - } - return; -#endif - } + return cmd_usage(cmdtp); + default: + /* at least 4 args */ - return cmd_usage(cmdtp); - default: - /* at least 4 args */ + if (strcmp(argv[1], "read") == 0) { + ulong addr = simple_strtoul(argv[2], NULL, 16); + ulong cnt = simple_strtoul(argv[4], NULL, 16); + ulong n; - if (strcmp(argv[1],"read") == 0) { - ulong addr = simple_strtoul(argv[2], NULL, 16); - ulong cnt = simple_strtoul(argv[4], NULL, 16); - ulong n; #ifdef CONFIG_SYS_64BIT_LBA - lbaint_t blk = simple_strtoull(argv[3], NULL, 16); + lbaint_t blk = simple_strtoull(argv[3], NULL, 16); - printf ("\nIDE read: device %d block # %Ld, count %ld ... ", - curr_device, blk, cnt); + printf("\nIDE read: device %d block # %lld, count %ld ... ", + curr_device, blk, cnt); #else - lbaint_t blk = simple_strtoul(argv[3], NULL, 16); - - printf ("\nIDE read: device %d block # %ld, count %ld ... ", - curr_device, blk, cnt); -#endif - - n = ide_dev_desc[curr_device].block_read (curr_device, - blk, cnt, - (ulong *)addr); - /* flush cache after read */ - flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz); + lbaint_t blk = simple_strtoul(argv[3], NULL, 16); + + printf("\nIDE read: device %d block # %ld, count %ld ... ", + curr_device, blk, cnt); +#endif + + n = ide_dev_desc[curr_device].block_read(curr_device, + blk, cnt, + (ulong *)addr); + /* flush cache after read */ + flush_cache(addr, + cnt * ide_dev_desc[curr_device].blksz); + + printf("%ld blocks read: %s\n", + n, (n == cnt) ? "OK" : "ERROR"); + if (n == cnt) + return 0; + else + return 1; + } else if (strcmp(argv[1], "write") == 0) { + ulong addr = simple_strtoul(argv[2], NULL, 16); + ulong cnt = simple_strtoul(argv[4], NULL, 16); + ulong n; - printf ("%ld blocks read: %s\n", - n, (n==cnt) ? "OK" : "ERROR"); - if (n==cnt) { - return 0; - } else { - return 1; - } - } else if (strcmp(argv[1],"write") == 0) { - ulong addr = simple_strtoul(argv[2], NULL, 16); - ulong cnt = simple_strtoul(argv[4], NULL, 16); - ulong n; #ifdef CONFIG_SYS_64BIT_LBA - lbaint_t blk = simple_strtoull(argv[3], NULL, 16); + lbaint_t blk = simple_strtoull(argv[3], NULL, 16); - printf ("\nIDE write: device %d block # %Ld, count %ld ... ", - curr_device, blk, cnt); + printf("\nIDE write: device %d block # %lld, count %ld ... ", + curr_device, blk, cnt); #else - lbaint_t blk = simple_strtoul(argv[3], NULL, 16); + lbaint_t blk = simple_strtoul(argv[3], NULL, 16); - printf ("\nIDE write: device %d block # %ld, count %ld ... ", - curr_device, blk, cnt); + printf("\nIDE write: device %d block # %ld, count %ld ... ", + curr_device, blk, cnt); #endif + n = ide_write(curr_device, blk, cnt, (ulong *) addr); - n = ide_write (curr_device, blk, cnt, (ulong *)addr); + printf("%ld blocks written: %s\n", + n, (n == cnt) ? "OK" : "ERROR"); + if (n == cnt) + return 0; + else + return 1; + } else { + return cmd_usage(cmdtp); + } - printf ("%ld blocks written: %s\n", - n, (n==cnt) ? "OK" : "ERROR"); - if (n==cnt) - return 0; - else - return 1; - } else { - return cmd_usage(cmdtp); + return rcode; } - - return rcode; - } } -int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { char *boot_device = NULL; char *ep; @@ -350,112 +340,115 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) ulong addr, cnt; disk_partition_t info; image_header_t *hdr; + #if defined(CONFIG_FIT) const void *fit_hdr = NULL; #endif - show_boot_progress (41); + show_boot_progress(41); switch (argc) { case 1: addr = CONFIG_SYS_LOAD_ADDR; - boot_device = getenv ("bootdevice"); + boot_device = getenv("bootdevice"); break; case 2: addr = simple_strtoul(argv[1], NULL, 16); - boot_device = getenv ("bootdevice"); + boot_device = getenv("bootdevice"); break; case 3: addr = simple_strtoul(argv[1], NULL, 16); boot_device = argv[2]; break; default: - show_boot_progress (-42); + show_boot_progress(-42); return cmd_usage(cmdtp); } - show_boot_progress (42); + show_boot_progress(42); if (!boot_device) { - puts ("\n** No boot device **\n"); - show_boot_progress (-43); + puts("\n** No boot device **\n"); + show_boot_progress(-43); return 1; } - show_boot_progress (43); + show_boot_progress(43); dev = simple_strtoul(boot_device, &ep, 16); - if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) { - printf ("\n** Device %d not available\n", dev); - show_boot_progress (-44); + if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) { + printf("\n** Device %d not available\n", dev); + show_boot_progress(-44); return 1; } - show_boot_progress (44); + show_boot_progress(44); if (*ep) { if (*ep != ':') { - puts ("\n** Invalid boot device, use `dev[:part]' **\n"); - show_boot_progress (-45); + puts("\n** Invalid boot device, use `dev[:part]' **\n"); + show_boot_progress(-45); return 1; } part = simple_strtoul(++ep, NULL, 16); } - show_boot_progress (45); - if (get_partition_info (&ide_dev_desc[dev], part, &info)) { - show_boot_progress (-46); + show_boot_progress(45); + if (get_partition_info(&ide_dev_desc[dev], part, &info)) { + show_boot_progress(-46); return 1; } - show_boot_progress (46); - if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && - (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { - printf ("\n** Invalid partition type \"%.32s\"" - " (expect \"" BOOT_PART_TYPE "\")\n", + show_boot_progress(46); + if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) + && + (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0) + ) { + printf("\n** Invalid partition type \"%.32s\"" " (expect \"" + BOOT_PART_TYPE "\")\n", info.type); - show_boot_progress (-47); + show_boot_progress(-47); return 1; } - show_boot_progress (47); + show_boot_progress(47); - printf ("\nLoading from IDE device %d, partition %d: " - "Name: %.32s Type: %.32s\n", - dev, part, info.name, info.type); + printf("\nLoading from IDE device %d, partition %d: " + "Name: %.32s Type: %.32s\n", dev, part, info.name, info.type); - debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", - info.start, info.size, info.blksz); + debug("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", + info.start, info.size, info.blksz); - if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) { - printf ("** Read error on %d:%d\n", dev, part); - show_boot_progress (-48); + if (ide_dev_desc[dev]. + block_read(dev, info.start, 1, (ulong *) addr) != 1) { + printf("** Read error on %d:%d\n", dev, part); + show_boot_progress(-48); return 1; } - show_boot_progress (48); + show_boot_progress(48); - switch (genimg_get_format ((void *)addr)) { + switch (genimg_get_format((void *) addr)) { case IMAGE_FORMAT_LEGACY: - hdr = (image_header_t *)addr; + hdr = (image_header_t *) addr; - show_boot_progress (49); + show_boot_progress(49); - if (!image_check_hcrc (hdr)) { - puts ("\n** Bad Header Checksum **\n"); - show_boot_progress (-50); + if (!image_check_hcrc(hdr)) { + puts("\n** Bad Header Checksum **\n"); + show_boot_progress(-50); return 1; } - show_boot_progress (50); + show_boot_progress(50); - image_print_contents (hdr); + image_print_contents(hdr); - cnt = image_get_image_size (hdr); + cnt = image_get_image_size(hdr); break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: - fit_hdr = (const void *)addr; - puts ("Fit image detected...\n"); + fit_hdr = (const void *) addr; + puts("Fit image detected...\n"); - cnt = fit_get_size (fit_hdr); + cnt = fit_get_size(fit_hdr); break; #endif default: - show_boot_progress (-49); - puts ("** Unknown image type\n"); + show_boot_progress(-49); + puts("** Unknown image type\n"); return 1; } @@ -463,24 +456,24 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) cnt /= info.blksz; cnt -= 1; - if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt, - (ulong *)(addr+info.blksz)) != cnt) { - printf ("** Read error on %d:%d\n", dev, part); - show_boot_progress (-51); + if (ide_dev_desc[dev].block_read(dev, info.start + 1, cnt, + (ulong *)(addr + info.blksz)) != cnt) { + printf("** Read error on %d:%d\n", dev, part); + show_boot_progress(-51); return 1; } - show_boot_progress (51); + show_boot_progress(51); #if defined(CONFIG_FIT) /* This cannot be done earlier, we need complete FIT image in RAM first */ - if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { - if (!fit_check_format (fit_hdr)) { - show_boot_progress (-140); - puts ("** Bad FIT image format\n"); + if (genimg_get_format((void *) addr) == IMAGE_FORMAT_FIT) { + if (!fit_check_format(fit_hdr)) { + show_boot_progress(-140); + puts("** Bad FIT image format\n"); return 1; } - show_boot_progress (141); - fit_print_contents (fit_hdr); + show_boot_progress(141); + fit_print_contents(fit_hdr); } #endif @@ -493,11 +486,11 @@ int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /* ------------------------------------------------------------------------- */ -void inline -__ide_outb(int dev, int port, unsigned char val) +inline void __ide_outb(int dev, int port, unsigned char val) { - debug ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", - dev, port, val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); + debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n", + dev, port, val, + (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); #if defined(CONFIG_IDE_AHB) if (port) { @@ -508,71 +501,74 @@ __ide_outb(int dev, int port, unsigned char val) outb(val, (ATA_CURR_BASE(dev))); } #else - outb(val, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); + outb(val, (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); #endif } -void ide_outb (int dev, int port, unsigned char val) - __attribute__((weak, alias("__ide_outb"))); +void ide_outb(int dev, int port, unsigned char val) + __attribute__ ((weak, alias("__ide_outb"))); -unsigned char inline -__ide_inb(int dev, int port) +inline unsigned char __ide_inb(int dev, int port) { uchar val; #if defined(CONFIG_IDE_AHB) val = ide_read_register(dev, port); #else - val = inb((ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port))); + val = inb((ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port))); #endif - debug ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", - dev, port, (ATA_CURR_BASE(dev)+CONFIG_SYS_ATA_PORT_ADDR(port)), val); + debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n", + dev, port, + (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)), val); return val; } + unsigned char ide_inb(int dev, int port) - __attribute__((weak, alias("__ide_inb"))); + __attribute__ ((weak, alias("__ide_inb"))); #ifdef CONFIG_TUNE_PIO -int inline -__ide_set_piomode(int pio_mode) +inline int __ide_set_piomode(int pio_mode) { return 0; } -int inline ide_set_piomode(int pio_mode) - __attribute__((weak, alias("__ide_set_piomode"))); + +inline int ide_set_piomode(int pio_mode) + __attribute__ ((weak, alias("__ide_set_piomode"))); #endif -void ide_init (void) +void ide_init(void) { #ifdef CONFIG_IDE_8xx_DIRECT - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); #endif unsigned char c; int i, bus; + #if defined(CONFIG_SC3) unsigned int ata_reset_time = ATA_RESET_TIME; #endif #ifdef CONFIG_IDE_8xx_PCCARD - extern int pcmcia_on (void); - extern int ide_devices_found; /* Initialized in check_ide_device() */ -#endif /* CONFIG_IDE_8xx_PCCARD */ + extern int pcmcia_on(void); + extern int ide_devices_found; /* Initialized in check_ide_device() */ +#endif /* CONFIG_IDE_8xx_PCCARD */ #ifdef CONFIG_IDE_PREINIT - extern int ide_preinit (void); + extern int ide_preinit(void); + WATCHDOG_RESET(); - if (ide_preinit ()) { - puts ("ide_preinit failed\n"); + if (ide_preinit()) { + puts("ide_preinit failed\n"); return; } -#endif /* CONFIG_IDE_PREINIT */ +#endif /* CONFIG_IDE_PREINIT */ #ifdef CONFIG_IDE_8xx_PCCARD - extern int pcmcia_on (void); - extern int ide_devices_found; /* Initialized in check_ide_device() */ + extern int pcmcia_on(void); + extern int ide_devices_found; /* Initialized in check_ide_device() */ WATCHDOG_RESET(); @@ -581,35 +577,37 @@ void ide_init (void) pcmcia_on(); if (!ide_devices_found) return; - udelay (1000000); /* 1 s */ -#endif /* CONFIG_IDE_8xx_PCCARD */ + udelay(1000000); /* 1 s */ +#endif /* CONFIG_IDE_8xx_PCCARD */ WATCHDOG_RESET(); #ifdef CONFIG_IDE_8xx_DIRECT /* Initialize PIO timing tables */ - for (i=0; i <= IDE_MAX_PIO_MODE; ++i) { - pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, - gd->bus_clk); - pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length, - gd->bus_clk); - pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, - gd->bus_clk); - debug ( "PIO Mode %d: setup=%2d ns/%d clk" - " len=%3d ns/%d clk" - " hold=%2d ns/%d clk\n", - i, - pio_config_ns[i].t_setup, pio_config_clk[i].t_setup, - pio_config_ns[i].t_length, pio_config_clk[i].t_length, - pio_config_ns[i].t_hold, pio_config_clk[i].t_hold); + for (i = 0; i <= IDE_MAX_PIO_MODE; ++i) { + pio_config_clk[i].t_setup = + PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, gd->bus_clk); + pio_config_clk[i].t_length = + PCMCIA_MK_CLKS(pio_config_ns[i].t_length, + gd->bus_clk); + pio_config_clk[i].t_hold = + PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, gd->bus_clk); + debug("PIO Mode %d: setup=%2d ns/%d clk" " len=%3d ns/%d clk" + " hold=%2d ns/%d clk\n", i, pio_config_ns[i].t_setup, + pio_config_clk[i].t_setup, pio_config_ns[i].t_length, + pio_config_clk[i].t_length, pio_config_ns[i].t_hold, + pio_config_clk[i].t_hold); } #endif /* CONFIG_IDE_8xx_DIRECT */ - /* Reset the IDE just to be sure. + /* + * Reset the IDE just to be sure. * Light LED's to show */ - ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */ - ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */ + ide_led((LED_IDE1 | LED_IDE2), 1); /* LED's on */ + + /* ATAPI Drives seems to need a proper IDE Reset */ + ide_reset(); #ifdef CONFIG_IDE_8xx_DIRECT /* PCMCIA / IDE initialization for common mem space */ @@ -617,93 +615,97 @@ void ide_init (void) /* start in PIO mode 0 - most relaxed timings */ pio_mode = 0; - set_pcmcia_timing (pio_mode); + set_pcmcia_timing(pio_mode); #endif /* CONFIG_IDE_8xx_DIRECT */ /* * Wait for IDE to get ready. * According to spec, this can take up to 31 seconds! */ - for (bus=0; bus<CONFIG_SYS_IDE_MAXBUS; ++bus) { - int dev = bus * (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS); + for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) { + int dev = + bus * (CONFIG_SYS_IDE_MAXDEVICE / + CONFIG_SYS_IDE_MAXBUS); #ifdef CONFIG_IDE_8xx_PCCARD /* Skip non-ide devices from probing */ if ((ide_devices_found & (1 << bus)) == 0) { - ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ + ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ continue; } #endif - printf ("Bus %d: ", bus); + printf("Bus %d: ", bus); ide_bus_ok[bus] = 0; /* Select device */ - udelay (100000); /* 100 ms */ - ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); - udelay (100000); /* 100 ms */ + udelay(100000); /* 100 ms */ + ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev)); + udelay(100000); /* 100 ms */ i = 0; do { - udelay (10000); /* 10 ms */ + udelay(10000); /* 10 ms */ - c = ide_inb (dev, ATA_STATUS); + c = ide_inb(dev, ATA_STATUS); i++; #if defined(CONFIG_SC3) if (i > (ata_reset_time * 100)) { #else if (i > (ATA_RESET_TIME * 100)) { #endif - puts ("** Timeout **\n"); - ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ + puts("** Timeout **\n"); + /* LED's off */ + ide_led((LED_IDE1 | LED_IDE2), 0); return; } - if ((i >= 100) && ((i%100)==0)) { - putc ('.'); - } + if ((i >= 100) && ((i % 100) == 0)) + putc('.'); + } while (c & ATA_STAT_BUSY); if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) { - puts ("not available "); - debug ("Status = 0x%02X ", c); -#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ - } else if ((c & ATA_STAT_READY) == 0) { - puts ("not available "); - debug ("Status = 0x%02X ", c); + puts("not available "); + debug("Status = 0x%02X ", c); +#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */ + } else if ((c & ATA_STAT_READY) == 0) { + puts("not available "); + debug("Status = 0x%02X ", c); #endif } else { - puts ("OK "); + puts("OK "); ide_bus_ok[bus] = 1; } WATCHDOG_RESET(); } - putc ('\n'); + putc('\n'); - ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */ + ide_led((LED_IDE1 | LED_IDE2), 0); /* LED's off */ curr_device = -1; - for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) { + for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) { #ifdef CONFIG_IDE_LED int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2; #endif - ide_dev_desc[i].type=DEV_TYPE_UNKNOWN; - ide_dev_desc[i].if_type=IF_TYPE_IDE; - ide_dev_desc[i].dev=i; - ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN; - ide_dev_desc[i].blksz=0; - ide_dev_desc[i].lba=0; - ide_dev_desc[i].block_read=ide_read; + ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; + ide_dev_desc[i].if_type = IF_TYPE_IDE; + ide_dev_desc[i].dev = i; + ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN; + ide_dev_desc[i].blksz = 0; + ide_dev_desc[i].lba = 0; + ide_dev_desc[i].block_read = ide_read; ide_dev_desc[i].block_write = ide_write; if (!ide_bus_ok[IDE_BUS(i)]) continue; - ide_led (led, 1); /* LED on */ + ide_led(led, 1); /* LED on */ ide_ident(&ide_dev_desc[i]); - ide_led (led, 0); /* LED off */ + ide_led(led, 0); /* LED off */ dev_print(&ide_dev_desc[i]); -/* ide_print (i); */ + if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) { - init_part (&ide_dev_desc[i]); /* initialize partition type */ + /* initialize partition type */ + init_part(&ide_dev_desc[i]); if (curr_device < 0) curr_device = i; } @@ -714,7 +716,7 @@ void ide_init (void) /* ------------------------------------------------------------------------- */ #ifdef CONFIG_PARTITIONS -block_dev_desc_t * ide_get_dev(int dev) +block_dev_desc_t *ide_get_dev(int dev) { return (dev < CONFIG_SYS_IDE_MAXDEVICE) ? &ide_dev_desc[dev] : NULL; } @@ -723,91 +725,91 @@ block_dev_desc_t * ide_get_dev(int dev) #ifdef CONFIG_IDE_8xx_DIRECT -static void -set_pcmcia_timing (int pmode) +static void set_pcmcia_timing(int pmode) { - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia); ulong timings; - debug ("Set timing for PIO Mode %d\n", pmode); + debug("Set timing for PIO Mode %d\n", pmode); timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold) | PCMCIA_SST(pio_config_clk[pmode].t_setup) - | PCMCIA_SL (pio_config_clk[pmode].t_length) - ; + | PCMCIA_SL(pio_config_clk[pmode].t_length); - /* IDE 0 + /* + * IDE 0 */ pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0; pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0 #if (CONFIG_SYS_PCMCIA_POR0 != 0) - | timings + | timings #endif - ; - debug ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); + ; + debug("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0); pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1; pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1 #if (CONFIG_SYS_PCMCIA_POR1 != 0) - | timings + | timings #endif - ; - debug ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); + ; + debug("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1); pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2; pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2 #if (CONFIG_SYS_PCMCIA_POR2 != 0) - | timings + | timings #endif - ; - debug ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); + ; + debug("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2); pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3; pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3 #if (CONFIG_SYS_PCMCIA_POR3 != 0) - | timings + | timings #endif - ; - debug ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); + ; + debug("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3); - /* IDE 1 + /* + * IDE 1 */ pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4; pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4 #if (CONFIG_SYS_PCMCIA_POR4 != 0) - | timings + | timings #endif - ; - debug ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); + ; + debug("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4); pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5; pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5 #if (CONFIG_SYS_PCMCIA_POR5 != 0) - | timings + | timings #endif - ; - debug ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); + ; + debug("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5); pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6; pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6 #if (CONFIG_SYS_PCMCIA_POR6 != 0) - | timings + | timings #endif - ; - debug ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); + ; + debug("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6); pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7; pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7 #if (CONFIG_SYS_PCMCIA_POR7 != 0) - | timings + | timings #endif - ; - debug ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); + ; + debug("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7); } -#endif /* CONFIG_IDE_8xx_DIRECT */ +#endif /* CONFIG_IDE_8xx_DIRECT */ /* ------------------------------------------------------------------------- */ @@ -817,32 +819,35 @@ set_pcmcia_timing (int pmode) (defined(CONFIG_SOC_AU1X00) && !defined(CONFIG_GTH2)) #define input_swap_data(x,y,z) input_data(x,y,z) #else -static void -input_swap_data(int dev, ulong *sect_buf, int words) +static void input_swap_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) uchar i; - volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); - volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); - ushort *dbuf = (ushort *)sect_buf; + volatile uchar *pbuf_even = + (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); + volatile uchar *pbuf_odd = + (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); + ushort *dbuf = (ushort *) sect_buf; while (words--) { - for (i=0; i<2; i++) { - *(((uchar *)(dbuf)) + 1) = *pbuf_even; - *(uchar *)dbuf = *pbuf_odd; - dbuf+=1; + for (i = 0; i < 2; i++) { + *(((uchar *) (dbuf)) + 1) = *pbuf_even; + *(uchar *) dbuf = *pbuf_odd; + dbuf += 1; } } #else - volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); - ushort *dbuf = (ushort *)sect_buf; + volatile ushort *pbuf = + (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); + ushort *dbuf = (ushort *) sect_buf; - debug("in input swap data base for read is %lx\n", (unsigned long) pbuf); + debug("in input swap data base for read is %lx\n", + (unsigned long) pbuf); while (words--) { #ifdef __MIPS__ - *dbuf++ = swab16p((u16*)pbuf); - *dbuf++ = swab16p((u16*)pbuf); + *dbuf++ = swab16p((u16 *) pbuf); + *dbuf++ = swab16p((u16 *) pbuf); #elif defined(CONFIG_PCS440EP) *dbuf++ = *pbuf; *dbuf++ = *pbuf; @@ -853,21 +858,20 @@ input_swap_data(int dev, ulong *sect_buf, int words) } #endif } -#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ +#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */ #if defined(CONFIG_IDE_SWAP_IO) -static void -output_data(int dev, const ulong *sect_buf, int words) +static void output_data(int dev, const ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) - uchar *dbuf; - volatile uchar *pbuf_even; - volatile uchar *pbuf_odd; + uchar *dbuf; + volatile uchar *pbuf_even; + volatile uchar *pbuf_odd; - pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); - pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); - dbuf = (uchar *)sect_buf; + pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); + pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); + dbuf = (uchar *) sect_buf; while (words--) { EIEIO; *pbuf_even = *dbuf++; @@ -879,11 +883,11 @@ output_data(int dev, const ulong *sect_buf, int words) *pbuf_odd = *dbuf++; } #else - ushort *dbuf; - volatile ushort *pbuf; + ushort *dbuf; + volatile ushort *pbuf; - pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); - dbuf = (ushort *)sect_buf; + pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); + dbuf = (ushort *) sect_buf; while (words--) { #if defined(CONFIG_PCS440EP) /* not tested, because CF was write protected */ @@ -900,30 +904,28 @@ output_data(int dev, const ulong *sect_buf, int words) } #endif } -#else /* ! CONFIG_IDE_SWAP_IO */ -static void -output_data(int dev, const ulong *sect_buf, int words) +#else /* ! CONFIG_IDE_SWAP_IO */ +static void output_data(int dev, const ulong *sect_buf, int words) { #if defined(CONFIG_IDE_AHB) ide_write_data(dev, sect_buf, words); #else - outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); + outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); #endif } -#endif /* CONFIG_IDE_SWAP_IO */ +#endif /* CONFIG_IDE_SWAP_IO */ #if defined(CONFIG_IDE_SWAP_IO) -static void -input_data(int dev, ulong *sect_buf, int words) +static void input_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_CPC45) - uchar *dbuf; - volatile uchar *pbuf_even; - volatile uchar *pbuf_odd; + uchar *dbuf; + volatile uchar *pbuf_even; + volatile uchar *pbuf_odd; - pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); - pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); - dbuf = (uchar *)sect_buf; + pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); + pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); + dbuf = (uchar *) sect_buf; while (words--) { *dbuf++ = *pbuf_even; EIEIO; @@ -939,11 +941,11 @@ input_data(int dev, ulong *sect_buf, int words) SYNC; } #else - ushort *dbuf; - volatile ushort *pbuf; + ushort *dbuf; + volatile ushort *pbuf; - pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); - dbuf = (ushort *)sect_buf; + pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); + dbuf = (ushort *) sect_buf; debug("in input data base for read is %lx\n", (unsigned long) pbuf); @@ -962,22 +964,21 @@ input_data(int dev, ulong *sect_buf, int words) } #endif } -#else /* ! CONFIG_IDE_SWAP_IO */ -static void -input_data(int dev, ulong *sect_buf, int words) +#else /* ! CONFIG_IDE_SWAP_IO */ +static void input_data(int dev, ulong *sect_buf, int words) { #if defined(CONFIG_IDE_AHB) ide_read_data(dev, sect_buf, words); #else - insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1); + insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1); #endif } -#endif /* CONFIG_IDE_SWAP_IO */ +#endif /* CONFIG_IDE_SWAP_IO */ /* ------------------------------------------------------------------------- */ -static void ide_ident (block_dev_desc_t *dev_desc) +static void ide_ident(block_dev_desc_t *dev_desc) { unsigned char c; hd_driveid_t iop; @@ -995,82 +996,95 @@ static void ide_ident (block_dev_desc_t *dev_desc) int mode, cycle_time; #endif int device; - device=dev_desc->dev; - printf (" Device %d: ", device); - ide_led (DEVICE_LED(device), 1); /* LED on */ + device = dev_desc->dev; + printf(" Device %d: ", device); + + ide_led(DEVICE_LED(device), 1); /* LED on */ /* Select device */ - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - dev_desc->if_type=IF_TYPE_IDE; + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + dev_desc->if_type = IF_TYPE_IDE; #ifdef CONFIG_ATAPI - do_retry = 0; - retries = 0; - - /* Warning: This will be tricky to read */ - while (retries <= 1) { - /* check signature */ - if ((ide_inb(device,ATA_SECT_CNT) == 0x01) && - (ide_inb(device,ATA_SECT_NUM) == 0x01) && - (ide_inb(device,ATA_CYL_LOW) == 0x14) && - (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) { - /* ATAPI Signature found */ - dev_desc->if_type=IF_TYPE_ATAPI; - /* Start Ident Command - */ - ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT); - /* - * Wait for completion - ATAPI devices need more time - * to become ready - */ - c = ide_wait (device, ATAPI_TIME_OUT); - } else + do_retry = 0; + retries = 0; + + /* Warning: This will be tricky to read */ + while (retries <= 1) { + /* check signature */ + if ((ide_inb(device, ATA_SECT_CNT) == 0x01) && + (ide_inb(device, ATA_SECT_NUM) == 0x01) && + (ide_inb(device, ATA_CYL_LOW) == 0x14) && + (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) { + /* ATAPI Signature found */ + dev_desc->if_type = IF_TYPE_ATAPI; + /* + * Start Ident Command + */ + ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT); + /* + * Wait for completion - ATAPI devices need more time + * to become ready + */ + c = ide_wait(device, ATAPI_TIME_OUT); + } else #endif - { - /* Start Ident Command - */ - ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT); - - /* Wait for completion - */ - c = ide_wait (device, IDE_TIME_OUT); - } - ide_led (DEVICE_LED(device), 0); /* LED off */ - - if (((c & ATA_STAT_DRQ) == 0) || - ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) { -#ifdef CONFIG_ATAPI { - /* Need to soft reset the device in case it's an ATAPI... */ - debug ("Retrying...\n"); - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - udelay(100000); - ide_outb (device, ATA_COMMAND, 0x08); - udelay (500000); /* 500 ms */ + /* + * Start Ident Command + */ + ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT); + + /* + * Wait for completion + */ + c = ide_wait(device, IDE_TIME_OUT); } - /* Select device - */ - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - retries++; + ide_led(DEVICE_LED(device), 0); /* LED off */ + + if (((c & ATA_STAT_DRQ) == 0) || + ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) { +#ifdef CONFIG_ATAPI + { + /* + * Need to soft reset the device + * in case it's an ATAPI... + */ + debug("Retrying...\n"); + ide_outb(device, ATA_DEV_HD, + ATA_LBA | ATA_DEVICE(device)); + udelay(100000); + ide_outb(device, ATA_COMMAND, 0x08); + udelay(500000); /* 500 ms */ + } + /* + * Select device + */ + ide_outb(device, ATA_DEV_HD, + ATA_LBA | ATA_DEVICE(device)); + retries++; #else - return; + return; #endif - } + } #ifdef CONFIG_ATAPI - else - break; - } /* see above - ugly to read */ + else + break; + } /* see above - ugly to read */ - if (retries == 2) /* Not found */ + if (retries == 2) /* Not found */ return; #endif - input_swap_data (device, (ulong *)&iop, ATA_SECTORWORDS); + input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS); - ident_cpy ((unsigned char*)dev_desc->revision, iop.fw_rev, sizeof(dev_desc->revision)); - ident_cpy ((unsigned char*)dev_desc->vendor, iop.model, sizeof(dev_desc->vendor)); - ident_cpy ((unsigned char*)dev_desc->product, iop.serial_no, sizeof(dev_desc->product)); + ident_cpy((unsigned char *) dev_desc->revision, iop.fw_rev, + sizeof(dev_desc->revision)); + ident_cpy((unsigned char *) dev_desc->vendor, iop.model, + sizeof(dev_desc->vendor)); + ident_cpy((unsigned char *) dev_desc->product, iop.serial_no, + sizeof(dev_desc->product)); #ifdef __LITTLE_ENDIAN /* * firmware revision, model, and serial number have Big Endian Byte @@ -1080,9 +1094,9 @@ static void ide_ident (block_dev_desc_t *dev_desc) * 6.2.1.6: Identify Drive, Table 39 for more details */ - strswab (dev_desc->revision); - strswab (dev_desc->vendor); - strswab (dev_desc->product); + strswab(dev_desc->revision); + strswab(dev_desc->vendor); + strswab(dev_desc->product); #endif /* __LITTLE_ENDIAN */ if ((iop.config & 0x0080) == 0x0080) @@ -1095,7 +1109,8 @@ static void ide_ident (block_dev_desc_t *dev_desc) pio_mode = iop.tPIO; if (pio_mode > 2) { printf("WARNING: Invalid PIO (word 51 = %d).\n", pio_mode); - pio_mode = 0; /* Force it to dead slow, and hope for the best... */ + /* Force it to dead slow, and hope for the best... */ + pio_mode = 0; } /* Any CompactFlash Storage Card that supports PIO mode 3 or above @@ -1103,7 +1118,8 @@ static void ide_ident (block_dev_desc_t *dev_desc) * in words 64 through 70. */ if (iop.field_valid & 0x02) { - /* Mode 3 and above are possible. Check in order from slow + /* + * Mode 3 and above are possible. Check in order from slow * to fast, so we wind up with the highest mode allowed. */ if (iop.eide_pio_modes & 0x01) @@ -1128,30 +1144,34 @@ static void ide_ident (block_dev_desc_t *dev_desc) */ mode = iop.tPIO; - printf ("tPIO = 0x%02x = %d\n",mode, mode); + printf("tPIO = 0x%02x = %d\n", mode, mode); if (mode > 2) { /* 2 is maximum allowed tPIO value */ mode = 2; - debug ("Override tPIO -> 2\n"); + debug("Override tPIO -> 2\n"); } if (iop.field_valid & 2) { /* drive implements ATA2? */ - debug ("Drive implements ATA2\n"); + debug("Drive implements ATA2\n"); if (iop.capability & 8) { /* drive supports use_iordy? */ cycle_time = iop.eide_pio_iordy; } else { cycle_time = iop.eide_pio; } - debug ("cycle time = %d\n", cycle_time); + debug("cycle time = %d\n", cycle_time); mode = 4; - if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */ - if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */ - if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */ - if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */ + if (cycle_time > 120) + mode = 3; /* 120 ns for PIO mode 4 */ + if (cycle_time > 180) + mode = 2; /* 180 ns for PIO mode 3 */ + if (cycle_time > 240) + mode = 1; /* 240 ns for PIO mode 4 */ + if (cycle_time > 383) + mode = 0; /* 383 ns for PIO mode 4 */ } - printf ("PIO mode to use: PIO %d\n", mode); + printf("PIO mode to use: PIO %d\n", mode); #endif /* 0 */ #ifdef CONFIG_ATAPI - if (dev_desc->if_type==IF_TYPE_ATAPI) { + if (dev_desc->if_type == IF_TYPE_ATAPI) { atapi_inquiry(dev_desc); return; } @@ -1160,7 +1180,7 @@ static void ide_ident (block_dev_desc_t *dev_desc) #ifdef __BIG_ENDIAN /* swap shorts */ dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16); -#else /* ! __BIG_ENDIAN */ +#else /* ! __BIG_ENDIAN */ /* * do not swap shorts on little endian * @@ -1168,48 +1188,49 @@ static void ide_ident (block_dev_desc_t *dev_desc) * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details. */ dev_desc->lba = iop.lba_capacity; -#endif /* __BIG_ENDIAN */ +#endif /* __BIG_ENDIAN */ #ifdef CONFIG_LBA48 - if (iop.command_set_2 & 0x0400) { /* LBA 48 support */ + if (iop.command_set_2 & 0x0400) { /* LBA 48 support */ dev_desc->lba48 = 1; - dev_desc->lba = (unsigned long long)iop.lba48_capacity[0] | - ((unsigned long long)iop.lba48_capacity[1] << 16) | - ((unsigned long long)iop.lba48_capacity[2] << 32) | - ((unsigned long long)iop.lba48_capacity[3] << 48); + dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] | + ((unsigned long long) iop.lba48_capacity[1] << 16) | + ((unsigned long long) iop.lba48_capacity[2] << 32) | + ((unsigned long long) iop.lba48_capacity[3] << 48); } else { dev_desc->lba48 = 0; } #endif /* CONFIG_LBA48 */ /* assuming HD */ - dev_desc->type=DEV_TYPE_HARDDISK; - dev_desc->blksz=ATA_BLOCKSIZE; - dev_desc->lun=0; /* just to fill something in... */ - -#if 0 /* only used to test the powersaving mode, - * if enabled, the drive goes after 5 sec - * in standby mode */ - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = ide_wait (device, IDE_TIME_OUT); - ide_outb (device, ATA_SECT_CNT, 1); - ide_outb (device, ATA_LBA_LOW, 0); - ide_outb (device, ATA_LBA_MID, 0); - ide_outb (device, ATA_LBA_HIGH, 0); - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - ide_outb (device, ATA_COMMAND, 0xe3); - udelay (50); - c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ + dev_desc->type = DEV_TYPE_HARDDISK; + dev_desc->blksz = ATA_BLOCKSIZE; + dev_desc->lun = 0; /* just to fill something in... */ + +#if 0 /* only used to test the powersaving mode, + * if enabled, the drive goes after 5 sec + * in standby mode */ + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + c = ide_wait(device, IDE_TIME_OUT); + ide_outb(device, ATA_SECT_CNT, 1); + ide_outb(device, ATA_LBA_LOW, 0); + ide_outb(device, ATA_LBA_MID, 0); + ide_outb(device, ATA_LBA_HIGH, 0); + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + ide_outb(device, ATA_COMMAND, 0xe3); + udelay(50); + c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ #endif } /* ------------------------------------------------------------------------- */ -ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) +ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer) { ulong n = 0; unsigned char c; - unsigned char pwrsave=0; /* power save */ + unsigned char pwrsave = 0; /* power save */ + #ifdef CONFIG_LBA48 unsigned char lba48 = 0; @@ -1219,121 +1240,125 @@ ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) } #endif debug("ide_read dev %d start %lX, blocks %lX buffer at %lX\n", - device, blknr, blkcnt, (ulong)buffer); + device, blknr, blkcnt, (ulong) buffer); - ide_led (DEVICE_LED(device), 1); /* LED on */ + ide_led(DEVICE_LED(device), 1); /* LED on */ /* Select device */ - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = ide_wait (device, IDE_TIME_OUT); + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + c = ide_wait(device, IDE_TIME_OUT); if (c & ATA_STAT_BUSY) { - printf ("IDE read: device %d not ready\n", device); + printf("IDE read: device %d not ready\n", device); goto IDE_READ_E; } /* first check if the drive is in Powersaving mode, if yes, * increase the timeout value */ - ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR); - udelay (50); + ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_PWR); + udelay(50); - c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ + c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */ if (c & ATA_STAT_BUSY) { - printf ("IDE read: device %d not ready\n", device); + printf("IDE read: device %d not ready\n", device); goto IDE_READ_E; } if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { - printf ("No Powersaving mode %X\n", c); + printf("No Powersaving mode %X\n", c); } else { - c = ide_inb(device,ATA_SECT_CNT); - debug ("Powersaving %02X\n",c); - if(c==0) - pwrsave=1; + c = ide_inb(device, ATA_SECT_CNT); + debug("Powersaving %02X\n", c); + if (c == 0) + pwrsave = 1; } while (blkcnt-- > 0) { - c = ide_wait (device, IDE_TIME_OUT); + c = ide_wait(device, IDE_TIME_OUT); if (c & ATA_STAT_BUSY) { - printf ("IDE read: device %d not ready\n", device); + printf("IDE read: device %d not ready\n", device); break; } #ifdef CONFIG_LBA48 if (lba48) { /* write high bits */ - ide_outb (device, ATA_SECT_CNT, 0); - ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); + ide_outb(device, ATA_SECT_CNT, 0); + ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); #ifdef CONFIG_SYS_64BIT_LBA - ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); - ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); + ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); + ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); #else - ide_outb (device, ATA_LBA_MID, 0); - ide_outb (device, ATA_LBA_HIGH, 0); + ide_outb(device, ATA_LBA_MID, 0); + ide_outb(device, ATA_LBA_HIGH, 0); #endif } #endif - ide_outb (device, ATA_SECT_CNT, 1); - ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); - ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); - ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); + ide_outb(device, ATA_SECT_CNT, 1); + ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); + ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); + ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); #ifdef CONFIG_LBA48 if (lba48) { - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); - ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT); + ide_outb(device, ATA_DEV_HD, + ATA_LBA | ATA_DEVICE(device)); + ide_outb(device, ATA_COMMAND, ATA_CMD_READ_EXT); } else #endif { - ide_outb (device, ATA_DEV_HD, ATA_LBA | - ATA_DEVICE(device) | - ((blknr >> 24) & 0xF) ); - ide_outb (device, ATA_COMMAND, ATA_CMD_READ); + ide_outb(device, ATA_DEV_HD, ATA_LBA | + ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); + ide_outb(device, ATA_COMMAND, ATA_CMD_READ); } - udelay (50); + udelay(50); - if(pwrsave) { - c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */ - pwrsave=0; + if (pwrsave) { + /* may take up to 4 sec */ + c = ide_wait(device, IDE_SPIN_UP_TIME_OUT); + pwrsave = 0; } else { - c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ + /* can't take over 500 ms */ + c = ide_wait(device, IDE_TIME_OUT); } - if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { + if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != + ATA_STAT_DRQ) { #if defined(CONFIG_SYS_64BIT_LBA) - printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n", + printf("Error (no IRQ) dev %d blk %lld: status 0x%02x\n", device, blknr, c); #else - printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", - device, (ulong)blknr, c); + printf("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", + device, (ulong) blknr, c); #endif break; } - input_data (device, buffer, ATA_SECTORWORDS); - (void) ide_inb (device, ATA_STATUS); /* clear IRQ */ + input_data(device, buffer, ATA_SECTORWORDS); + (void) ide_inb(device, ATA_STATUS); /* clear IRQ */ ++n; ++blknr; buffer += ATA_BLOCKSIZE; } IDE_READ_E: - ide_led (DEVICE_LED(device), 0); /* LED off */ + ide_led(DEVICE_LED(device), 0); /* LED off */ return (n); } /* ------------------------------------------------------------------------- */ -ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, const void *buffer) +ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, const void *buffer) { ulong n = 0; unsigned char c; + #ifdef CONFIG_LBA48 unsigned char lba48 = 0; @@ -1343,76 +1368,78 @@ ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, const void *buffer) } #endif - ide_led (DEVICE_LED(device), 1); /* LED on */ + ide_led(DEVICE_LED(device), 1); /* LED on */ /* Select device */ - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); while (blkcnt-- > 0) { - c = ide_wait (device, IDE_TIME_OUT); + c = ide_wait(device, IDE_TIME_OUT); if (c & ATA_STAT_BUSY) { - printf ("IDE read: device %d not ready\n", device); + printf("IDE read: device %d not ready\n", device); goto WR_OUT; } #ifdef CONFIG_LBA48 if (lba48) { /* write high bits */ - ide_outb (device, ATA_SECT_CNT, 0); - ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); + ide_outb(device, ATA_SECT_CNT, 0); + ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); #ifdef CONFIG_SYS_64BIT_LBA - ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF); - ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); + ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF); + ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF); #else - ide_outb (device, ATA_LBA_MID, 0); - ide_outb (device, ATA_LBA_HIGH, 0); + ide_outb(device, ATA_LBA_MID, 0); + ide_outb(device, ATA_LBA_HIGH, 0); #endif } #endif - ide_outb (device, ATA_SECT_CNT, 1); - ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); - ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF); - ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); + ide_outb(device, ATA_SECT_CNT, 1); + ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); + ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); + ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF); #ifdef CONFIG_LBA48 if (lba48) { - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) ); - ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT); + ide_outb(device, ATA_DEV_HD, + ATA_LBA | ATA_DEVICE(device)); + ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE_EXT); } else #endif { - ide_outb (device, ATA_DEV_HD, ATA_LBA | - ATA_DEVICE(device) | - ((blknr >> 24) & 0xF) ); - ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE); + ide_outb(device, ATA_DEV_HD, ATA_LBA | + ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); + ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE); } - udelay (50); + udelay(50); - c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */ + /* can't take over 500 ms */ + c = ide_wait(device, IDE_TIME_OUT); - if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) { + if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) != + ATA_STAT_DRQ) { #if defined(CONFIG_SYS_64BIT_LBA) - printf ("Error (no IRQ) dev %d blk %Ld: status 0x%02x\n", + printf("Error (no IRQ) dev %d blk %lld: status 0x%02x\n", device, blknr, c); #else - printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", - device, (ulong)blknr, c); + printf("Error (no IRQ) dev %d blk %ld: status 0x%02x\n", + device, (ulong) blknr, c); #endif goto WR_OUT; } - output_data (device, buffer, ATA_SECTORWORDS); - c = ide_inb (device, ATA_STATUS); /* clear IRQ */ + output_data(device, buffer, ATA_SECTORWORDS); + c = ide_inb(device, ATA_STATUS); /* clear IRQ */ ++n; ++blknr; buffer += ATA_BLOCKSIZE; } WR_OUT: - ide_led (DEVICE_LED(device), 0); /* LED off */ + ide_led(DEVICE_LED(device), 0); /* LED off */ return (n); } @@ -1423,23 +1450,24 @@ WR_OUT: * terminate the string * "len" is the size of available memory including the terminating '\0' */ -static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len) +static void ident_cpy(unsigned char *dst, unsigned char *src, + unsigned int len) { unsigned char *end, *last; last = dst; - end = src + len - 1; + end = src + len - 1; /* reserve space for '\0' */ if (len < 2) goto OUT; /* skip leading white space */ - while ((*src) && (src<end) && (*src==' ')) + while ((*src) && (src < end) && (*src == ' ')) ++src; /* copy string, omitting trailing white space */ - while ((*src) && (src<end)) { + while ((*src) && (src < end)) { *dst++ = *src; if (*src++ != ' ') last = dst; @@ -1454,16 +1482,15 @@ OUT: * Wait until Busy bit is off, or timeout (in ms) * Return last status */ -static uchar ide_wait (int dev, ulong t) +static uchar ide_wait(int dev, ulong t) { - ulong delay = 10 * t; /* poll every 100 us */ + ulong delay = 10 * t; /* poll every 100 us */ uchar c; while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) { - udelay (100); - if (delay-- == 0) { + udelay(100); + if (delay-- == 0) break; - } } return (c); } @@ -1473,20 +1500,20 @@ static uchar ide_wait (int dev, ulong t) #ifdef CONFIG_IDE_RESET extern void ide_set_reset(int idereset); -static void ide_reset (void) +static void ide_reset(void) { #if defined(CONFIG_SYS_PB_12V_ENABLE) || defined(CONFIG_SYS_PB_IDE_MOTOR) - volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; #endif int i; curr_device = -1; - for (i=0; i<CONFIG_SYS_IDE_MAXBUS; ++i) + for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i) ide_bus_ok[i] = 0; - for (i=0; i<CONFIG_SYS_IDE_MAXDEVICE; ++i) + for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) ide_dev_desc[i].type = DEV_TYPE_UNKNOWN; - ide_set_reset (1); /* assert reset */ + ide_set_reset(1); /* assert reset */ /* the reset signal shall be asserted for et least 25 us */ udelay(25); @@ -1494,19 +1521,20 @@ static void ide_reset (void) WATCHDOG_RESET(); #ifdef CONFIG_SYS_PB_12V_ENABLE - immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); /* 12V Enable output OFF */ + /* 12V Enable output OFF */ + immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE); + immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE); immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE); - immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE; + immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE; - /* wait 500 ms for the voltage to stabilize - */ - for (i=0; i<500; ++i) { - udelay (1000); - } + /* wait 500 ms for the voltage to stabilize */ + for (i = 0; i < 500; ++i) + udelay(1000); - immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; /* 12V Enable output ON */ -#endif /* CONFIG_SYS_PB_12V_ENABLE */ + /* 12V Enable output ON */ + immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE; +#endif /* CONFIG_SYS_PB_12V_ENABLE */ #ifdef CONFIG_SYS_PB_IDE_MOTOR /* configure IDE Motor voltage monitor pin as input */ @@ -1514,27 +1542,26 @@ static void ide_reset (void) immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR); immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR); - /* wait up to 1 s for the motor voltage to stabilize - */ - for (i=0; i<1000; ++i) { + /* wait up to 1 s for the motor voltage to stabilize */ + for (i = 0; i < 1000; ++i) { if ((immr->im_cpm.cp_pbdat & CONFIG_SYS_PB_IDE_MOTOR) != 0) { break; } - udelay (1000); + udelay(1000); } if (i == 1000) { /* Timeout */ - printf ("\nWarning: 5V for IDE Motor missing\n"); -# ifdef CONFIG_STATUS_LED -# ifdef STATUS_LED_YELLOW - status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON ); -# endif -# ifdef STATUS_LED_GREEN - status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF); -# endif -# endif /* CONFIG_STATUS_LED */ + printf("\nWarning: 5V for IDE Motor missing\n"); +#ifdef CONFIG_STATUS_LED +#ifdef STATUS_LED_YELLOW + status_led_set(STATUS_LED_YELLOW, STATUS_LED_ON); +#endif +#ifdef STATUS_LED_GREEN + status_led_set(STATUS_LED_GREEN, STATUS_LED_OFF); +#endif +#endif /* CONFIG_STATUS_LED */ } -#endif /* CONFIG_SYS_PB_IDE_MOTOR */ +#endif /* CONFIG_SYS_PB_IDE_MOTOR */ WATCHDOG_RESET(); @@ -1542,12 +1569,11 @@ static void ide_reset (void) ide_set_reset(0); /* wait 250 ms */ - for (i=0; i<250; ++i) { - udelay (1000); - } + for (i = 0; i < 250; ++i) + udelay(1000); } -#endif /* CONFIG_IDE_RESET */ +#endif /* CONFIG_IDE_RESET */ /* ------------------------------------------------------------------------- */ @@ -1556,22 +1582,21 @@ static void ide_reset (void) !defined(CONFIG_KUP4K) && \ !defined(CONFIG_KUP4X) -static uchar led_buffer = 0; /* Buffer for current LED status */ +static uchar led_buffer; /* Buffer for current LED status */ -static void ide_led (uchar led, uchar status) +static void ide_led(uchar led, uchar status) { uchar *led_port = LED_PORT; - if (status) { /* switch LED on */ - led_buffer |= led; - } else { /* switch LED off */ + if (status) /* switch LED on */ + led_buffer |= led; + else /* switch LED off */ led_buffer &= ~led; - } *led_port = led_buffer; } -#endif /* CONFIG_IDE_LED */ +#endif /* CONFIG_IDE_LED */ #if defined(CONFIG_OF_IDE_FIXUP) int ide_device_present(int dev) @@ -1591,16 +1616,15 @@ int ide_device_present(int dev) #if defined(CONFIG_IDE_SWAP_IO) /* since ATAPI may use commands with not 4 bytes alligned length * we have our own transfer functions, 2 bytes alligned */ -static void -output_data_shorts(int dev, ushort *sect_buf, int shorts) +static void output_data_shorts(int dev, ushort *sect_buf, int shorts) { #if defined(CONFIG_CPC45) - uchar *dbuf; - volatile uchar *pbuf_even; - volatile uchar *pbuf_odd; + uchar *dbuf; + volatile uchar *pbuf_even; + volatile uchar *pbuf_odd; - pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); - pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); + pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); + pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); while (shorts--) { EIEIO; *pbuf_even = *dbuf++; @@ -1608,13 +1632,14 @@ output_data_shorts(int dev, ushort *sect_buf, int shorts) *pbuf_odd = *dbuf++; } #else - ushort *dbuf; - volatile ushort *pbuf; + ushort *dbuf; + volatile ushort *pbuf; - pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); - dbuf = (ushort *)sect_buf; + pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); + dbuf = (ushort *) sect_buf; - debug ("in output data shorts base for read is %lx\n", (unsigned long) pbuf); + debug("in output data shorts base for read is %lx\n", + (unsigned long) pbuf); while (shorts--) { EIEIO; @@ -1623,16 +1648,15 @@ output_data_shorts(int dev, ushort *sect_buf, int shorts) #endif } -static void -input_data_shorts(int dev, ushort *sect_buf, int shorts) +static void input_data_shorts(int dev, ushort *sect_buf, int shorts) { #if defined(CONFIG_CPC45) - uchar *dbuf; - volatile uchar *pbuf_even; - volatile uchar *pbuf_odd; + uchar *dbuf; + volatile uchar *pbuf_even; + volatile uchar *pbuf_odd; - pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN); - pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD); + pbuf_even = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_EVEN); + pbuf_odd = (uchar *) (ATA_CURR_BASE(dev) + ATA_DATA_ODD); while (shorts--) { EIEIO; *dbuf++ = *pbuf_even; @@ -1640,13 +1664,14 @@ input_data_shorts(int dev, ushort *sect_buf, int shorts) *dbuf++ = *pbuf_odd; } #else - ushort *dbuf; - volatile ushort *pbuf; + ushort *dbuf; + volatile ushort *pbuf; - pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG); - dbuf = (ushort *)sect_buf; + pbuf = (ushort *) (ATA_CURR_BASE(dev) + ATA_DATA_REG); + dbuf = (ushort *) sect_buf; - debug("in input data shorts base for read is %lx\n", (unsigned long) pbuf); + debug("in input data shorts base for read is %lx\n", + (unsigned long) pbuf); while (shorts--) { EIEIO; @@ -1655,20 +1680,18 @@ input_data_shorts(int dev, ushort *sect_buf, int shorts) #endif } -#else /* ! CONFIG_IDE_SWAP_IO */ -static void -output_data_shorts(int dev, ushort *sect_buf, int shorts) +#else /* ! CONFIG_IDE_SWAP_IO */ +static void output_data_shorts(int dev, ushort *sect_buf, int shorts) { - outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); + outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); } -static void -input_data_shorts(int dev, ushort *sect_buf, int shorts) +static void input_data_shorts(int dev, ushort *sect_buf, int shorts) { - insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts); + insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts); } -#endif /* CONFIG_IDE_SWAP_IO */ +#endif /* CONFIG_IDE_SWAP_IO */ /* * Wait until (Status & mask) == res, or timeout (in ms) @@ -1676,20 +1699,21 @@ input_data_shorts(int dev, ushort *sect_buf, int shorts) * This is used since some ATAPI CD ROMs clears their Busy Bit first * and then they set their DRQ Bit */ -static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) +static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res) { - ulong delay = 10 * t; /* poll every 100 us */ + ulong delay = 10 * t; /* poll every 100 us */ uchar c; - c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */ + /* prevents to read the status before valid */ + c = ide_inb(dev, ATA_DEV_CTL); + while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) { /* break if error occurs (doesn't make sense to wait more) */ - if((c & ATA_STAT_ERR)==ATA_STAT_ERR) + if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) break; - udelay (100); - if (delay-- == 0) { + udelay(100); + if (delay-- == 0) break; - } } return (c); } @@ -1697,106 +1721,122 @@ static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res) /* * issue an atapi command */ -unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen) +unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen, + unsigned char *buffer, int buflen) { - unsigned char c,err,mask,res; + unsigned char c, err, mask, res; int n; - ide_led (DEVICE_LED(device), 1); /* LED on */ + + ide_led(DEVICE_LED(device), 1); /* LED on */ /* Select device */ - mask = ATA_STAT_BUSY|ATA_STAT_DRQ; + mask = ATA_STAT_BUSY | ATA_STAT_DRQ; res = 0; - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); if ((c & mask) != res) { - printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c); - err=0xFF; + printf("ATAPI_ISSUE: device %d not ready status %X\n", device, + c); + err = 0xFF; goto AI_OUT; } /* write taskfile */ - ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ - ide_outb (device, ATA_SECT_CNT, 0); - ide_outb (device, ATA_SECT_NUM, 0); - ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF)); - ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF)); - ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); - - ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET); - udelay (50); - - mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; + ide_outb(device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */ + ide_outb(device, ATA_SECT_CNT, 0); + ide_outb(device, ATA_SECT_NUM, 0); + ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF)); + ide_outb(device, ATA_CYL_HIGH, + (unsigned char) ((buflen >> 8) & 0xFF)); + ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); + + ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET); + udelay(50); + + mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; res = ATA_STAT_DRQ; - c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); + c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); - if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ - printf ("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c); - err=0xFF; + if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */ + printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n", + device, c); + err = 0xFF; goto AI_OUT; } - output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */ + /* write command block */ + output_data_shorts(device, (unsigned short *) ccb, ccblen / 2); + /* ATAPI Command written wait for completition */ - udelay (5000); /* device must set bsy */ + udelay(5000); /* device must set bsy */ - mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR; - /* if no data wait for DRQ = 0 BSY = 0 - * if data wait for DRQ = 1 BSY = 0 */ - res=0; - if(buflen) + mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR; + /* + * if no data wait for DRQ = 0 BSY = 0 + * if data wait for DRQ = 1 BSY = 0 + */ + res = 0; + if (buflen) res = ATA_STAT_DRQ; - c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); - if ((c & mask) != res ) { + c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); + if ((c & mask) != res) { if (c & ATA_STAT_ERR) { - err=(ide_inb(device,ATA_ERROR_REG))>>4; - debug ("atapi_issue 1 returned sense key %X status %02X\n",err,c); + err = (ide_inb(device, ATA_ERROR_REG)) >> 4; + debug("atapi_issue 1 returned sense key %X status %02X\n", + err, c); } else { - printf ("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c); - err=0xFF; + printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", + ccb[0], c); + err = 0xFF; } goto AI_OUT; } - n=ide_inb(device, ATA_CYL_HIGH); - n<<=8; - n+=ide_inb(device, ATA_CYL_LOW); - if(n>buflen) { - printf("ERROR, transfer bytes %d requested only %d\n",n,buflen); - err=0xff; + n = ide_inb(device, ATA_CYL_HIGH); + n <<= 8; + n += ide_inb(device, ATA_CYL_LOW); + if (n > buflen) { + printf("ERROR, transfer bytes %d requested only %d\n", n, + buflen); + err = 0xff; goto AI_OUT; } - if((n==0)&&(buflen<0)) { - printf("ERROR, transfer bytes %d requested %d\n",n,buflen); - err=0xff; + if ((n == 0) && (buflen < 0)) { + printf("ERROR, transfer bytes %d requested %d\n", n, buflen); + err = 0xff; goto AI_OUT; } - if(n!=buflen) { - debug ("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen); + if (n != buflen) { + debug("WARNING, transfer bytes %d not equal with requested %d\n", + n, buflen); } - if(n!=0) { /* data transfer */ - debug ("ATAPI_ISSUE: %d Bytes to transfer\n",n); - /* we transfer shorts */ - n>>=1; + if (n != 0) { /* data transfer */ + debug("ATAPI_ISSUE: %d Bytes to transfer\n", n); + /* we transfer shorts */ + n >>= 1; /* ok now decide if it is an in or output */ - if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) { - debug ("Write to device\n"); - output_data_shorts(device,(unsigned short *)buffer,n); + if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) { + debug("Write to device\n"); + output_data_shorts(device, (unsigned short *) buffer, + n); } else { - debug ("Read from device @ %p shorts %d\n",buffer,n); - input_data_shorts(device,(unsigned short *)buffer,n); + debug("Read from device @ %p shorts %d\n", buffer, n); + input_data_shorts(device, (unsigned short *) buffer, + n); } } - udelay(5000); /* seems that some CD ROMs need this... */ - mask = ATA_STAT_BUSY|ATA_STAT_ERR; - res=0; - c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res); + udelay(5000); /* seems that some CD ROMs need this... */ + mask = ATA_STAT_BUSY | ATA_STAT_ERR; + res = 0; + c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res); if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) { - err=(ide_inb(device,ATA_ERROR_REG) >> 4); - debug ("atapi_issue 2 returned sense key %X status %X\n",err,c); + err = (ide_inb(device, ATA_ERROR_REG) >> 4); + debug("atapi_issue 2 returned sense key %X status %X\n", err, + c); } else { err = 0; } AI_OUT: - ide_led (DEVICE_LED(device), 0); /* LED off */ + ide_led(DEVICE_LED(device), 0); /* LED off */ return (err); } @@ -1808,155 +1848,153 @@ AI_OUT: #define ATAPI_DRIVE_NOT_READY 100 #define ATAPI_UNIT_ATTN 10 -unsigned char atapi_issue_autoreq (int device, - unsigned char* ccb, - int ccblen, - unsigned char *buffer, - int buflen) +unsigned char atapi_issue_autoreq(int device, + unsigned char *ccb, + int ccblen, + unsigned char *buffer, int buflen) { - unsigned char sense_data[18],sense_ccb[12]; - unsigned char res,key,asc,ascq; - int notready,unitattn; + unsigned char sense_data[18], sense_ccb[12]; + unsigned char res, key, asc, ascq; + int notready, unitattn; - unitattn=ATAPI_UNIT_ATTN; - notready=ATAPI_DRIVE_NOT_READY; + unitattn = ATAPI_UNIT_ATTN; + notready = ATAPI_DRIVE_NOT_READY; retry: - res= atapi_issue(device,ccb,ccblen,buffer,buflen); - if (res==0) - return (0); /* Ok */ - - if (res==0xFF) - return (0xFF); /* error */ - - debug ("(auto_req)atapi_issue returned sense key %X\n",res); - - memset(sense_ccb,0,sizeof(sense_ccb)); - memset(sense_data,0,sizeof(sense_data)); - sense_ccb[0]=ATAPI_CMD_REQ_SENSE; - sense_ccb[4]=18; /* allocation Length */ - - res=atapi_issue(device,sense_ccb,12,sense_data,18); - key=(sense_data[2]&0xF); - asc=(sense_data[12]); - ascq=(sense_data[13]); - - debug ("ATAPI_CMD_REQ_SENSE returned %x\n",res); - debug (" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", - sense_data[0], - key, - asc, - ascq); - - if((key==0)) - return 0; /* ok device ready */ - - if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */ - if(unitattn-->0) { - udelay(200*1000); + res = atapi_issue(device, ccb, ccblen, buffer, buflen); + if (res == 0) + return 0; /* Ok */ + + if (res == 0xFF) + return 0xFF; /* error */ + + debug("(auto_req)atapi_issue returned sense key %X\n", res); + + memset(sense_ccb, 0, sizeof(sense_ccb)); + memset(sense_data, 0, sizeof(sense_data)); + sense_ccb[0] = ATAPI_CMD_REQ_SENSE; + sense_ccb[4] = 18; /* allocation Length */ + + res = atapi_issue(device, sense_ccb, 12, sense_data, 18); + key = (sense_data[2] & 0xF); + asc = (sense_data[12]); + ascq = (sense_data[13]); + + debug("ATAPI_CMD_REQ_SENSE returned %x\n", res); + debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n", + sense_data[0], key, asc, ascq); + + if ((key == 0)) + return 0; /* ok device ready */ + + if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */ + if (unitattn-- > 0) { + udelay(200 * 1000); goto retry; } - printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN); + printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN); goto error; } - if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */ - if (notready-->0) { - udelay(200*1000); + if ((asc == 0x4) && (ascq == 0x1)) { + /* not ready, but will be ready soon */ + if (notready-- > 0) { + udelay(200 * 1000); goto retry; } - printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY); + printf("Drive not ready, tried %d times\n", + ATAPI_DRIVE_NOT_READY); goto error; } - if(asc==0x3a) { - debug ("Media not present\n"); + if (asc == 0x3a) { + debug("Media not present\n"); goto error; } - printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); + printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc, + ascq); error: - debug ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq); + debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq); return (0xFF); } -static void atapi_inquiry(block_dev_desc_t * dev_desc) +static void atapi_inquiry(block_dev_desc_t *dev_desc) { - unsigned char ccb[12]; /* Command descriptor block */ - unsigned char iobuf[64]; /* temp buf */ + unsigned char ccb[12]; /* Command descriptor block */ + unsigned char iobuf[64]; /* temp buf */ unsigned char c; int device; - device=dev_desc->dev; - dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */ - dev_desc->block_read=atapi_read; + device = dev_desc->dev; + dev_desc->type = DEV_TYPE_UNKNOWN; /* not yet valid */ + dev_desc->block_read = atapi_read; - memset(ccb,0,sizeof(ccb)); - memset(iobuf,0,sizeof(iobuf)); + memset(ccb, 0, sizeof(ccb)); + memset(iobuf, 0, sizeof(iobuf)); - ccb[0]=ATAPI_CMD_INQUIRY; - ccb[4]=40; /* allocation Legnth */ - c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40); + ccb[0] = ATAPI_CMD_INQUIRY; + ccb[4] = 40; /* allocation Legnth */ + c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 40); - debug ("ATAPI_CMD_INQUIRY returned %x\n",c); - if (c!=0) + debug("ATAPI_CMD_INQUIRY returned %x\n", c); + if (c != 0) return; /* copy device ident strings */ - ident_cpy((unsigned char*)dev_desc->vendor,&iobuf[8],8); - ident_cpy((unsigned char*)dev_desc->product,&iobuf[16],16); - ident_cpy((unsigned char*)dev_desc->revision,&iobuf[32],5); + ident_cpy((unsigned char *) dev_desc->vendor, &iobuf[8], 8); + ident_cpy((unsigned char *) dev_desc->product, &iobuf[16], 16); + ident_cpy((unsigned char *) dev_desc->revision, &iobuf[32], 5); - dev_desc->lun=0; - dev_desc->lba=0; - dev_desc->blksz=0; - dev_desc->type=iobuf[0] & 0x1f; + dev_desc->lun = 0; + dev_desc->lba = 0; + dev_desc->blksz = 0; + dev_desc->type = iobuf[0] & 0x1f; - if ((iobuf[1]&0x80)==0x80) + if ((iobuf[1] & 0x80) == 0x80) dev_desc->removable = 1; else dev_desc->removable = 0; - memset(ccb,0,sizeof(ccb)); - memset(iobuf,0,sizeof(iobuf)); - ccb[0]=ATAPI_CMD_START_STOP; - ccb[4]=0x03; /* start */ + memset(ccb, 0, sizeof(ccb)); + memset(iobuf, 0, sizeof(iobuf)); + ccb[0] = ATAPI_CMD_START_STOP; + ccb[4] = 0x03; /* start */ - c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); + c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0); - debug ("ATAPI_CMD_START_STOP returned %x\n",c); - if (c!=0) + debug("ATAPI_CMD_START_STOP returned %x\n", c); + if (c != 0) return; - memset(ccb,0,sizeof(ccb)); - memset(iobuf,0,sizeof(iobuf)); - c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0); + memset(ccb, 0, sizeof(ccb)); + memset(iobuf, 0, sizeof(iobuf)); + c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 0); - debug ("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c); - if (c!=0) + debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c); + if (c != 0) return; - memset(ccb,0,sizeof(ccb)); - memset(iobuf,0,sizeof(iobuf)); - ccb[0]=ATAPI_CMD_READ_CAP; - c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8); - debug ("ATAPI_CMD_READ_CAP returned %x\n",c); - if (c!=0) + memset(ccb, 0, sizeof(ccb)); + memset(iobuf, 0, sizeof(iobuf)); + ccb[0] = ATAPI_CMD_READ_CAP; + c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *) iobuf, 8); + debug("ATAPI_CMD_READ_CAP returned %x\n", c); + if (c != 0) return; - debug ("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", - iobuf[0],iobuf[1],iobuf[2],iobuf[3], - iobuf[4],iobuf[5],iobuf[6],iobuf[7]); - - dev_desc->lba =((unsigned long)iobuf[0]<<24) + - ((unsigned long)iobuf[1]<<16) + - ((unsigned long)iobuf[2]<< 8) + - ((unsigned long)iobuf[3]); - dev_desc->blksz=((unsigned long)iobuf[4]<<24) + - ((unsigned long)iobuf[5]<<16) + - ((unsigned long)iobuf[6]<< 8) + - ((unsigned long)iobuf[7]); + debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n", + iobuf[0], iobuf[1], iobuf[2], iobuf[3], + iobuf[4], iobuf[5], iobuf[6], iobuf[7]); + + dev_desc->lba = ((unsigned long) iobuf[0] << 24) + + ((unsigned long) iobuf[1] << 16) + + ((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]); + dev_desc->blksz = ((unsigned long) iobuf[4] << 24) + + ((unsigned long) iobuf[5] << 16) + + ((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]); #ifdef CONFIG_LBA48 - dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ + /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ + dev_desc->lba48 = 0; #endif return; } @@ -1969,45 +2007,46 @@ static void atapi_inquiry(block_dev_desc_t * dev_desc) */ #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */ #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */ -#define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */ +#define ATAPI_READ_MAX_BLOCK (ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE) -ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) +ulong atapi_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer) { ulong n = 0; - unsigned char ccb[12]; /* Command descriptor block */ + unsigned char ccb[12]; /* Command descriptor block */ ulong cnt; - debug ("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", - device, blknr, blkcnt, (ulong)buffer); + debug("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n", + device, blknr, blkcnt, (ulong) buffer); do { - if (blkcnt>ATAPI_READ_MAX_BLOCK) { - cnt=ATAPI_READ_MAX_BLOCK; - } else { - cnt=blkcnt; - } - ccb[0]=ATAPI_CMD_READ_12; - ccb[1]=0; /* reserved */ - ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */ - ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */ - ccb[4]=(unsigned char) (blknr>> 8) & 0xFF; - ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */ - ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */ - ccb[7]=(unsigned char) (cnt >>16) & 0xFF; - ccb[8]=(unsigned char) (cnt >> 8) & 0xFF; - ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */ - ccb[10]=0; /* reserved */ - ccb[11]=0; /* reserved */ - - if (atapi_issue_autoreq(device,ccb,12, - (unsigned char *)buffer, - cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) { + if (blkcnt > ATAPI_READ_MAX_BLOCK) + cnt = ATAPI_READ_MAX_BLOCK; + else + cnt = blkcnt; + + ccb[0] = ATAPI_CMD_READ_12; + ccb[1] = 0; /* reserved */ + ccb[2] = (unsigned char) (blknr >> 24) & 0xFF; /* MSB Block */ + ccb[3] = (unsigned char) (blknr >> 16) & 0xFF; /* */ + ccb[4] = (unsigned char) (blknr >> 8) & 0xFF; + ccb[5] = (unsigned char) blknr & 0xFF; /* LSB Block */ + ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */ + ccb[7] = (unsigned char) (cnt >> 16) & 0xFF; + ccb[8] = (unsigned char) (cnt >> 8) & 0xFF; + ccb[9] = (unsigned char) cnt & 0xFF; /* LSB Block */ + ccb[10] = 0; /* reserved */ + ccb[11] = 0; /* reserved */ + + if (atapi_issue_autoreq(device, ccb, 12, + (unsigned char *) buffer, + cnt * ATAPI_READ_BLOCK_SIZE) + == 0xFF) { return (n); } - n+=cnt; - blkcnt-=cnt; - blknr+=cnt; - buffer+=(cnt*ATAPI_READ_BLOCK_SIZE); + n += cnt; + blkcnt -= cnt; + blknr += cnt; + buffer += (cnt * ATAPI_READ_BLOCK_SIZE); } while (blkcnt > 0); return (n); } @@ -2016,21 +2055,16 @@ ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, void *buffer) #endif /* CONFIG_ATAPI */ -U_BOOT_CMD( - ide, 5, 1, do_ide, - "IDE sub-system", - "reset - reset IDE controller\n" - "ide info - show available IDE devices\n" - "ide device [dev] - show or set current device\n" - "ide part [dev] - print partition table of one or all IDE devices\n" - "ide read addr blk# cnt\n" - "ide write addr blk# cnt - read/write `cnt'" - " blocks starting at block `blk#'\n" - " to/from memory address `addr'" -); - -U_BOOT_CMD( - diskboot, 3, 1, do_diskboot, - "boot from IDE device", - "loadAddr dev:part" -); +U_BOOT_CMD(ide, 5, 1, do_ide, + "IDE sub-system", + "reset - reset IDE controller\n" + "ide info - show available IDE devices\n" + "ide device [dev] - show or set current device\n" + "ide part [dev] - print partition table of one or all IDE devices\n" + "ide read addr blk# cnt\n" + "ide write addr blk# cnt - read/write `cnt'" + " blocks starting at block `blk#'\n" + " to/from memory address `addr'"); + +U_BOOT_CMD(diskboot, 3, 1, do_diskboot, + "boot from IDE device", "loadAddr dev:part"); |