xref: /openbmc/u-boot/disk/part.c (revision 1e52fea3)
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 	char *name;
82 
83 	if (!ifname)
84 		return NULL;
85 
86 	name = drvr->name;
87 #ifdef CONFIG_NEEDS_MANUAL_RELOC
88 	name += gd->reloc_off;
89 #endif
90 	while (drvr->name) {
91 		name = drvr->name;
92 		reloc_get_dev = drvr->get_dev;
93 #ifdef CONFIG_NEEDS_MANUAL_RELOC
94 		name += gd->reloc_off;
95 		reloc_get_dev += gd->reloc_off;
96 #endif
97 		if (strncmp(ifname, name, strlen(name)) == 0)
98 			return reloc_get_dev(dev);
99 		drvr++;
100 	}
101 	return NULL;
102 }
103 #else
104 block_dev_desc_t *get_dev(char* ifname, int dev)
105 {
106 	return NULL;
107 }
108 #endif
109 
110 #if (defined(CONFIG_CMD_IDE) || \
111      defined(CONFIG_CMD_MG_DISK) || \
112      defined(CONFIG_CMD_SATA) || \
113      defined(CONFIG_CMD_SCSI) || \
114      defined(CONFIG_CMD_USB) || \
115      defined(CONFIG_MMC) || \
116      defined(CONFIG_SYSTEMACE) )
117 
118 /* ------------------------------------------------------------------------- */
119 /*
120  * reports device info to the user
121  */
122 
123 #ifdef CONFIG_LBA48
124 typedef uint64_t lba512_t;
125 #else
126 typedef lbaint_t lba512_t;
127 #endif
128 
129 /*
130  * Overflowless variant of (block_count * mul_by / div_by)
131  * when div_by > mul_by
132  */
133 static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
134 {
135 	lba512_t bc_quot, bc_rem;
136 
137 	/* x * m / d == x / d * m + (x % d) * m / d */
138 	bc_quot = block_count / div_by;
139 	bc_rem  = block_count - div_by * bc_quot;
140 	return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
141 }
142 
143 void dev_print (block_dev_desc_t *dev_desc)
144 {
145 	lba512_t lba512; /* number of blocks if 512bytes block size */
146 
147 	if (dev_desc->type == DEV_TYPE_UNKNOWN) {
148 		puts ("not available\n");
149 		return;
150 	}
151 
152 	switch (dev_desc->if_type) {
153 	case IF_TYPE_SCSI:
154 		printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
155 			dev_desc->target,dev_desc->lun,
156 			dev_desc->vendor,
157 			dev_desc->product,
158 			dev_desc->revision);
159 		break;
160 	case IF_TYPE_ATAPI:
161 	case IF_TYPE_IDE:
162 	case IF_TYPE_SATA:
163 		printf ("Model: %s Firm: %s Ser#: %s\n",
164 			dev_desc->vendor,
165 			dev_desc->revision,
166 			dev_desc->product);
167 		break;
168 	case IF_TYPE_SD:
169 	case IF_TYPE_MMC:
170 	case IF_TYPE_USB:
171 		printf ("Vendor: %s Rev: %s Prod: %s\n",
172 			dev_desc->vendor,
173 			dev_desc->revision,
174 			dev_desc->product);
175 		break;
176 	case IF_TYPE_DOC:
177 		puts("device type DOC\n");
178 		return;
179 	case IF_TYPE_UNKNOWN:
180 		puts("device type unknown\n");
181 		return;
182 	default:
183 		printf("Unhandled device type: %i\n", dev_desc->if_type);
184 		return;
185 	}
186 	puts ("            Type: ");
187 	if (dev_desc->removable)
188 		puts ("Removable ");
189 	switch (dev_desc->type & 0x1F) {
190 	case DEV_TYPE_HARDDISK:
191 		puts ("Hard Disk");
192 		break;
193 	case DEV_TYPE_CDROM:
194 		puts ("CD ROM");
195 		break;
196 	case DEV_TYPE_OPDISK:
197 		puts ("Optical Device");
198 		break;
199 	case DEV_TYPE_TAPE:
200 		puts ("Tape");
201 		break;
202 	default:
203 		printf ("# %02X #", dev_desc->type & 0x1F);
204 		break;
205 	}
206 	puts ("\n");
207 	if ((dev_desc->lba * dev_desc->blksz)>0L) {
208 		ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
209 		lbaint_t lba;
210 
211 		lba = dev_desc->lba;
212 
213 		lba512 = (lba * (dev_desc->blksz/512));
214 		/* round to 1 digit */
215 		mb = lba512_muldiv(lba512, 10, 2048);	/* 2048 = (1024 * 1024) / 512 MB */
216 
217 		mb_quot	= mb / 10;
218 		mb_rem	= mb - (10 * mb_quot);
219 
220 		gb = mb / 1024;
221 		gb_quot	= gb / 10;
222 		gb_rem	= gb - (10 * gb_quot);
223 #ifdef CONFIG_LBA48
224 		if (dev_desc->lba48)
225 			printf ("            Supports 48-bit addressing\n");
226 #endif
227 #if defined(CONFIG_SYS_64BIT_LBA)
228 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
229 			mb_quot, mb_rem,
230 			gb_quot, gb_rem,
231 			lba,
232 			dev_desc->blksz);
233 #else
234 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
235 			mb_quot, mb_rem,
236 			gb_quot, gb_rem,
237 			(ulong)lba,
238 			dev_desc->blksz);
239 #endif
240 	} else {
241 		puts ("            Capacity: not available\n");
242 	}
243 }
244 #endif
245 
246 #if (defined(CONFIG_CMD_IDE) || \
247      defined(CONFIG_CMD_MG_DISK) || \
248      defined(CONFIG_CMD_SATA) || \
249      defined(CONFIG_CMD_SCSI) || \
250      defined(CONFIG_CMD_USB) || \
251      defined(CONFIG_MMC)		|| \
252      defined(CONFIG_SYSTEMACE) )
253 
254 #if defined(CONFIG_MAC_PARTITION) || \
255     defined(CONFIG_DOS_PARTITION) || \
256     defined(CONFIG_ISO_PARTITION) || \
257     defined(CONFIG_AMIGA_PARTITION) || \
258     defined(CONFIG_EFI_PARTITION)
259 
260 void init_part (block_dev_desc_t * dev_desc)
261 {
262 #ifdef CONFIG_ISO_PARTITION
263 	if (test_part_iso(dev_desc) == 0) {
264 		dev_desc->part_type = PART_TYPE_ISO;
265 		return;
266 	}
267 #endif
268 
269 #ifdef CONFIG_MAC_PARTITION
270 	if (test_part_mac(dev_desc) == 0) {
271 		dev_desc->part_type = PART_TYPE_MAC;
272 		return;
273 	}
274 #endif
275 
276 /* must be placed before DOS partition detection */
277 #ifdef CONFIG_EFI_PARTITION
278 	if (test_part_efi(dev_desc) == 0) {
279 		dev_desc->part_type = PART_TYPE_EFI;
280 		return;
281 	}
282 #endif
283 
284 #ifdef CONFIG_DOS_PARTITION
285 	if (test_part_dos(dev_desc) == 0) {
286 		dev_desc->part_type = PART_TYPE_DOS;
287 		return;
288 	}
289 #endif
290 
291 #ifdef CONFIG_AMIGA_PARTITION
292 	if (test_part_amiga(dev_desc) == 0) {
293 	    dev_desc->part_type = PART_TYPE_AMIGA;
294 	    return;
295 	}
296 #endif
297 }
298 
299 
300 int get_partition_info (block_dev_desc_t *dev_desc, int part
301 					, disk_partition_t *info)
302 {
303 	switch (dev_desc->part_type) {
304 #ifdef CONFIG_MAC_PARTITION
305 	case PART_TYPE_MAC:
306 		if (get_partition_info_mac(dev_desc,part,info) == 0) {
307 			PRINTF ("## Valid MAC partition found ##\n");
308 			return (0);
309 		}
310 		break;
311 #endif
312 
313 #ifdef CONFIG_DOS_PARTITION
314 	case PART_TYPE_DOS:
315 		if (get_partition_info_dos(dev_desc,part,info) == 0) {
316 			PRINTF ("## Valid DOS partition found ##\n");
317 			return (0);
318 		}
319 		break;
320 #endif
321 
322 #ifdef CONFIG_ISO_PARTITION
323 	case PART_TYPE_ISO:
324 		if (get_partition_info_iso(dev_desc,part,info) == 0) {
325 			PRINTF ("## Valid ISO boot partition found ##\n");
326 			return (0);
327 		}
328 		break;
329 #endif
330 
331 #ifdef CONFIG_AMIGA_PARTITION
332 	case PART_TYPE_AMIGA:
333 	    if (get_partition_info_amiga(dev_desc, part, info) == 0)
334 	    {
335 		PRINTF ("## Valid Amiga partition found ##\n");
336 		return (0);
337 	    }
338 	    break;
339 #endif
340 
341 #ifdef CONFIG_EFI_PARTITION
342 	case PART_TYPE_EFI:
343 		if (get_partition_info_efi(dev_desc,part,info) == 0) {
344 			PRINTF ("## Valid EFI partition found ##\n");
345 			return (0);
346 		}
347 		break;
348 #endif
349 	default:
350 		break;
351 	}
352 	return (-1);
353 }
354 
355 static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
356 {
357 	puts ("\nPartition Map for ");
358 	switch (dev_desc->if_type) {
359 	case IF_TYPE_IDE:
360 		puts ("IDE");
361 		break;
362 	case IF_TYPE_SATA:
363 		puts ("SATA");
364 		break;
365 	case IF_TYPE_SCSI:
366 		puts ("SCSI");
367 		break;
368 	case IF_TYPE_ATAPI:
369 		puts ("ATAPI");
370 		break;
371 	case IF_TYPE_USB:
372 		puts ("USB");
373 		break;
374 	case IF_TYPE_DOC:
375 		puts ("DOC");
376 		break;
377 	case IF_TYPE_MMC:
378 		puts ("MMC");
379 		break;
380 	default:
381 		puts ("UNKNOWN");
382 		break;
383 	}
384 	printf (" device %d  --   Partition Type: %s\n\n",
385 			dev_desc->dev, type);
386 }
387 
388 void print_part (block_dev_desc_t * dev_desc)
389 {
390 
391 		switch (dev_desc->part_type) {
392 #ifdef CONFIG_MAC_PARTITION
393 	case PART_TYPE_MAC:
394 		PRINTF ("## Testing for valid MAC partition ##\n");
395 		print_part_header ("MAC", dev_desc);
396 		print_part_mac (dev_desc);
397 		return;
398 #endif
399 #ifdef CONFIG_DOS_PARTITION
400 	case PART_TYPE_DOS:
401 		PRINTF ("## Testing for valid DOS partition ##\n");
402 		print_part_header ("DOS", dev_desc);
403 		print_part_dos (dev_desc);
404 		return;
405 #endif
406 
407 #ifdef CONFIG_ISO_PARTITION
408 	case PART_TYPE_ISO:
409 		PRINTF ("## Testing for valid ISO Boot partition ##\n");
410 		print_part_header ("ISO", dev_desc);
411 		print_part_iso (dev_desc);
412 		return;
413 #endif
414 
415 #ifdef CONFIG_AMIGA_PARTITION
416 	case PART_TYPE_AMIGA:
417 	    PRINTF ("## Testing for a valid Amiga partition ##\n");
418 	    print_part_header ("AMIGA", dev_desc);
419 	    print_part_amiga (dev_desc);
420 	    return;
421 #endif
422 
423 #ifdef CONFIG_EFI_PARTITION
424 	case PART_TYPE_EFI:
425 		PRINTF ("## Testing for valid EFI partition ##\n");
426 		print_part_header ("EFI", dev_desc);
427 		print_part_efi (dev_desc);
428 		return;
429 #endif
430 	}
431 	puts ("## Unknown partition table\n");
432 }
433 
434 
435 #else	/* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
436 # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
437 # error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
438 # error nor CONFIG_EFI_PARTITION configured!
439 #endif
440 
441 #endif
442