xref: /openbmc/u-boot/disk/part.c (revision fc0db132)
1 /*
2  * (C) Copyright 2001
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
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.
12  *
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.
17  *
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,
21  * MA 02111-1307 USA
22  */
23 
24 #include <common.h>
25 #include <command.h>
26 #include <ide.h>
27 #include <part.h>
28 
29 #undef	PART_DEBUG
30 
31 #ifdef	PART_DEBUG
32 #define	PRINTF(fmt,args...)	printf (fmt ,##args)
33 #else
34 #define PRINTF(fmt,args...)
35 #endif
36 
37 #if (defined(CONFIG_CMD_IDE) || \
38      defined(CONFIG_CMD_MG_DISK) || \
39      defined(CONFIG_CMD_SATA) || \
40      defined(CONFIG_CMD_SCSI) || \
41      defined(CONFIG_CMD_USB) || \
42      defined(CONFIG_MMC) || \
43      defined(CONFIG_SYSTEMACE) )
44 
45 struct block_drvr {
46 	char *name;
47 	block_dev_desc_t* (*get_dev)(int dev);
48 };
49 
50 static const struct block_drvr block_drvr[] = {
51 #if defined(CONFIG_CMD_IDE)
52 	{ .name = "ide", .get_dev = ide_get_dev, },
53 #endif
54 #if defined(CONFIG_CMD_SATA)
55 	{.name = "sata", .get_dev = sata_get_dev, },
56 #endif
57 #if defined(CONFIG_CMD_SCSI)
58 	{ .name = "scsi", .get_dev = scsi_get_dev, },
59 #endif
60 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
61 	{ .name = "usb", .get_dev = usb_stor_get_dev, },
62 #endif
63 #if defined(CONFIG_MMC)
64 	{ .name = "mmc", .get_dev = mmc_get_dev, },
65 #endif
66 #if defined(CONFIG_SYSTEMACE)
67 	{ .name = "ace", .get_dev = systemace_get_dev, },
68 #endif
69 #if defined(CONFIG_CMD_MG_DISK)
70 	{ .name = "mgd", .get_dev = mg_disk_get_dev, },
71 #endif
72 	{ },
73 };
74 
75 DECLARE_GLOBAL_DATA_PTR;
76 
77 block_dev_desc_t *get_dev(char* ifname, int dev)
78 {
79 	const struct block_drvr *drvr = block_drvr;
80 	block_dev_desc_t* (*reloc_get_dev)(int dev);
81 
82 	while (drvr->name) {
83 		reloc_get_dev = drvr->get_dev;
84 #ifndef CONFIG_RELOC_FIXUP_WORKS
85 		reloc_get_dev += gd->reloc_off;
86 #endif
87 		if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
88 			return reloc_get_dev(dev);
89 		drvr++;
90 	}
91 	return NULL;
92 }
93 #else
94 block_dev_desc_t *get_dev(char* ifname, int dev)
95 {
96 	return NULL;
97 }
98 #endif
99 
100 #if (defined(CONFIG_CMD_IDE) || \
101      defined(CONFIG_CMD_MG_DISK) || \
102      defined(CONFIG_CMD_SATA) || \
103      defined(CONFIG_CMD_SCSI) || \
104      defined(CONFIG_CMD_USB) || \
105      defined(CONFIG_MMC) || \
106      defined(CONFIG_SYSTEMACE) )
107 
108 /* ------------------------------------------------------------------------- */
109 /*
110  * reports device info to the user
111  */
112 
113 #ifdef CONFIG_LBA48
114 typedef uint64_t lba512_t;
115 #else
116 typedef lbaint_t lba512_t;
117 #endif
118 
119 /*
120  * Overflowless variant of (block_count * mul_by / div_by)
121  * when div_by > mul_by
122  */
123 static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
124 {
125 	lba512_t bc_quot, bc_rem;
126 
127 	/* x * m / d == x / d * m + (x % d) * m / d */
128 	bc_quot = block_count / div_by;
129 	bc_rem  = block_count - div_by * bc_quot;
130 	return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
131 }
132 
133 void dev_print (block_dev_desc_t *dev_desc)
134 {
135 	lba512_t lba512; /* number of blocks if 512bytes block size */
136 
137 	if (dev_desc->type == DEV_TYPE_UNKNOWN) {
138 		puts ("not available\n");
139 		return;
140 	}
141 
142 	switch (dev_desc->if_type) {
143 	case IF_TYPE_SCSI:
144 		printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
145 			dev_desc->target,dev_desc->lun,
146 			dev_desc->vendor,
147 			dev_desc->product,
148 			dev_desc->revision);
149 		break;
150 	case IF_TYPE_ATAPI:
151 	case IF_TYPE_IDE:
152 	case IF_TYPE_SATA:
153 		printf ("Model: %s Firm: %s Ser#: %s\n",
154 			dev_desc->vendor,
155 			dev_desc->revision,
156 			dev_desc->product);
157 		break;
158 	case IF_TYPE_SD:
159 	case IF_TYPE_MMC:
160 	case IF_TYPE_USB:
161 		printf ("Vendor: %s Rev: %s Prod: %s\n",
162 			dev_desc->vendor,
163 			dev_desc->revision,
164 			dev_desc->product);
165 		break;
166 	case IF_TYPE_DOC:
167 		puts("device type DOC\n");
168 		return;
169 	case IF_TYPE_UNKNOWN:
170 		puts("device type unknown\n");
171 		return;
172 	default:
173 		printf("Unhandled device type: %i\n", dev_desc->if_type);
174 		return;
175 	}
176 	puts ("            Type: ");
177 	if (dev_desc->removable)
178 		puts ("Removable ");
179 	switch (dev_desc->type & 0x1F) {
180 	case DEV_TYPE_HARDDISK:
181 		puts ("Hard Disk");
182 		break;
183 	case DEV_TYPE_CDROM:
184 		puts ("CD ROM");
185 		break;
186 	case DEV_TYPE_OPDISK:
187 		puts ("Optical Device");
188 		break;
189 	case DEV_TYPE_TAPE:
190 		puts ("Tape");
191 		break;
192 	default:
193 		printf ("# %02X #", dev_desc->type & 0x1F);
194 		break;
195 	}
196 	puts ("\n");
197 	if ((dev_desc->lba * dev_desc->blksz)>0L) {
198 		ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
199 		lbaint_t lba;
200 
201 		lba = dev_desc->lba;
202 
203 		lba512 = (lba * (dev_desc->blksz/512));
204 		/* round to 1 digit */
205 		mb = lba512_muldiv(lba512, 10, 2048);	/* 2048 = (1024 * 1024) / 512 MB */
206 
207 		mb_quot	= mb / 10;
208 		mb_rem	= mb - (10 * mb_quot);
209 
210 		gb = mb / 1024;
211 		gb_quot	= gb / 10;
212 		gb_rem	= gb - (10 * gb_quot);
213 #ifdef CONFIG_LBA48
214 		if (dev_desc->lba48)
215 			printf ("            Supports 48-bit addressing\n");
216 #endif
217 #if defined(CONFIG_SYS_64BIT_LBA)
218 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
219 			mb_quot, mb_rem,
220 			gb_quot, gb_rem,
221 			lba,
222 			dev_desc->blksz);
223 #else
224 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
225 			mb_quot, mb_rem,
226 			gb_quot, gb_rem,
227 			(ulong)lba,
228 			dev_desc->blksz);
229 #endif
230 	} else {
231 		puts ("            Capacity: not available\n");
232 	}
233 }
234 #endif
235 
236 #if (defined(CONFIG_CMD_IDE) || \
237      defined(CONFIG_CMD_MG_DISK) || \
238      defined(CONFIG_CMD_SATA) || \
239      defined(CONFIG_CMD_SCSI) || \
240      defined(CONFIG_CMD_USB) || \
241      defined(CONFIG_MMC)		|| \
242      defined(CONFIG_SYSTEMACE) )
243 
244 #if defined(CONFIG_MAC_PARTITION) || \
245     defined(CONFIG_DOS_PARTITION) || \
246     defined(CONFIG_ISO_PARTITION) || \
247     defined(CONFIG_AMIGA_PARTITION) || \
248     defined(CONFIG_EFI_PARTITION)
249 
250 void init_part (block_dev_desc_t * dev_desc)
251 {
252 #ifdef CONFIG_ISO_PARTITION
253 	if (test_part_iso(dev_desc) == 0) {
254 		dev_desc->part_type = PART_TYPE_ISO;
255 		return;
256 	}
257 #endif
258 
259 #ifdef CONFIG_MAC_PARTITION
260 	if (test_part_mac(dev_desc) == 0) {
261 		dev_desc->part_type = PART_TYPE_MAC;
262 		return;
263 	}
264 #endif
265 
266 /* must be placed before DOS partition detection */
267 #ifdef CONFIG_EFI_PARTITION
268 	if (test_part_efi(dev_desc) == 0) {
269 		dev_desc->part_type = PART_TYPE_EFI;
270 		return;
271 	}
272 #endif
273 
274 #ifdef CONFIG_DOS_PARTITION
275 	if (test_part_dos(dev_desc) == 0) {
276 		dev_desc->part_type = PART_TYPE_DOS;
277 		return;
278 	}
279 #endif
280 
281 #ifdef CONFIG_AMIGA_PARTITION
282 	if (test_part_amiga(dev_desc) == 0) {
283 	    dev_desc->part_type = PART_TYPE_AMIGA;
284 	    return;
285 	}
286 #endif
287 }
288 
289 
290 int get_partition_info (block_dev_desc_t *dev_desc, int part
291 					, disk_partition_t *info)
292 {
293 	switch (dev_desc->part_type) {
294 #ifdef CONFIG_MAC_PARTITION
295 	case PART_TYPE_MAC:
296 		if (get_partition_info_mac(dev_desc,part,info) == 0) {
297 			PRINTF ("## Valid MAC partition found ##\n");
298 			return (0);
299 		}
300 		break;
301 #endif
302 
303 #ifdef CONFIG_DOS_PARTITION
304 	case PART_TYPE_DOS:
305 		if (get_partition_info_dos(dev_desc,part,info) == 0) {
306 			PRINTF ("## Valid DOS partition found ##\n");
307 			return (0);
308 		}
309 		break;
310 #endif
311 
312 #ifdef CONFIG_ISO_PARTITION
313 	case PART_TYPE_ISO:
314 		if (get_partition_info_iso(dev_desc,part,info) == 0) {
315 			PRINTF ("## Valid ISO boot partition found ##\n");
316 			return (0);
317 		}
318 		break;
319 #endif
320 
321 #ifdef CONFIG_AMIGA_PARTITION
322 	case PART_TYPE_AMIGA:
323 	    if (get_partition_info_amiga(dev_desc, part, info) == 0)
324 	    {
325 		PRINTF ("## Valid Amiga partition found ##\n");
326 		return (0);
327 	    }
328 	    break;
329 #endif
330 
331 #ifdef CONFIG_EFI_PARTITION
332 	case PART_TYPE_EFI:
333 		if (get_partition_info_efi(dev_desc,part,info) == 0) {
334 			PRINTF ("## Valid EFI partition found ##\n");
335 			return (0);
336 		}
337 		break;
338 #endif
339 	default:
340 		break;
341 	}
342 	return (-1);
343 }
344 
345 static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
346 {
347 	puts ("\nPartition Map for ");
348 	switch (dev_desc->if_type) {
349 	case IF_TYPE_IDE:
350 		puts ("IDE");
351 		break;
352 	case IF_TYPE_SATA:
353 		puts ("SATA");
354 		break;
355 	case IF_TYPE_SCSI:
356 		puts ("SCSI");
357 		break;
358 	case IF_TYPE_ATAPI:
359 		puts ("ATAPI");
360 		break;
361 	case IF_TYPE_USB:
362 		puts ("USB");
363 		break;
364 	case IF_TYPE_DOC:
365 		puts ("DOC");
366 		break;
367 	default:
368 		puts ("UNKNOWN");
369 		break;
370 	}
371 	printf (" device %d  --   Partition Type: %s\n\n",
372 			dev_desc->dev, type);
373 }
374 
375 void print_part (block_dev_desc_t * dev_desc)
376 {
377 
378 		switch (dev_desc->part_type) {
379 #ifdef CONFIG_MAC_PARTITION
380 	case PART_TYPE_MAC:
381 		PRINTF ("## Testing for valid MAC partition ##\n");
382 		print_part_header ("MAC", dev_desc);
383 		print_part_mac (dev_desc);
384 		return;
385 #endif
386 #ifdef CONFIG_DOS_PARTITION
387 	case PART_TYPE_DOS:
388 		PRINTF ("## Testing for valid DOS partition ##\n");
389 		print_part_header ("DOS", dev_desc);
390 		print_part_dos (dev_desc);
391 		return;
392 #endif
393 
394 #ifdef CONFIG_ISO_PARTITION
395 	case PART_TYPE_ISO:
396 		PRINTF ("## Testing for valid ISO Boot partition ##\n");
397 		print_part_header ("ISO", dev_desc);
398 		print_part_iso (dev_desc);
399 		return;
400 #endif
401 
402 #ifdef CONFIG_AMIGA_PARTITION
403 	case PART_TYPE_AMIGA:
404 	    PRINTF ("## Testing for a valid Amiga partition ##\n");
405 	    print_part_header ("AMIGA", dev_desc);
406 	    print_part_amiga (dev_desc);
407 	    return;
408 #endif
409 
410 #ifdef CONFIG_EFI_PARTITION
411 	case PART_TYPE_EFI:
412 		PRINTF ("## Testing for valid EFI partition ##\n");
413 		print_part_header ("EFI", dev_desc);
414 		print_part_efi (dev_desc);
415 		return;
416 #endif
417 	}
418 	puts ("## Unknown partition table\n");
419 }
420 
421 
422 #else	/* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
423 # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
424 # error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
425 # error nor CONFIG_EFI_PARTITION configured!
426 #endif
427 
428 #endif
429