xref: /openbmc/u-boot/disk/part.c (revision a91916ff)
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 	name = drvr->name;
84 #ifdef CONFIG_NEEDS_MANUAL_RELOC
85 	name += gd->reloc_off;
86 #endif
87 	while (drvr->name) {
88 		name = drvr->name;
89 		reloc_get_dev = drvr->get_dev;
90 #ifdef CONFIG_NEEDS_MANUAL_RELOC
91 		name += gd->reloc_off;
92 		reloc_get_dev += gd->reloc_off;
93 #endif
94 		if (strncmp(ifname, name, strlen(name)) == 0)
95 			return reloc_get_dev(dev);
96 		drvr++;
97 	}
98 	return NULL;
99 }
100 #else
101 block_dev_desc_t *get_dev(char* ifname, int dev)
102 {
103 	return NULL;
104 }
105 #endif
106 
107 #if (defined(CONFIG_CMD_IDE) || \
108      defined(CONFIG_CMD_MG_DISK) || \
109      defined(CONFIG_CMD_SATA) || \
110      defined(CONFIG_CMD_SCSI) || \
111      defined(CONFIG_CMD_USB) || \
112      defined(CONFIG_MMC) || \
113      defined(CONFIG_SYSTEMACE) )
114 
115 /* ------------------------------------------------------------------------- */
116 /*
117  * reports device info to the user
118  */
119 
120 #ifdef CONFIG_LBA48
121 typedef uint64_t lba512_t;
122 #else
123 typedef lbaint_t lba512_t;
124 #endif
125 
126 /*
127  * Overflowless variant of (block_count * mul_by / div_by)
128  * when div_by > mul_by
129  */
130 static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
131 {
132 	lba512_t bc_quot, bc_rem;
133 
134 	/* x * m / d == x / d * m + (x % d) * m / d */
135 	bc_quot = block_count / div_by;
136 	bc_rem  = block_count - div_by * bc_quot;
137 	return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
138 }
139 
140 void dev_print (block_dev_desc_t *dev_desc)
141 {
142 	lba512_t lba512; /* number of blocks if 512bytes block size */
143 
144 	if (dev_desc->type == DEV_TYPE_UNKNOWN) {
145 		puts ("not available\n");
146 		return;
147 	}
148 
149 	switch (dev_desc->if_type) {
150 	case IF_TYPE_SCSI:
151 		printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
152 			dev_desc->target,dev_desc->lun,
153 			dev_desc->vendor,
154 			dev_desc->product,
155 			dev_desc->revision);
156 		break;
157 	case IF_TYPE_ATAPI:
158 	case IF_TYPE_IDE:
159 	case IF_TYPE_SATA:
160 		printf ("Model: %s Firm: %s Ser#: %s\n",
161 			dev_desc->vendor,
162 			dev_desc->revision,
163 			dev_desc->product);
164 		break;
165 	case IF_TYPE_SD:
166 	case IF_TYPE_MMC:
167 	case IF_TYPE_USB:
168 		printf ("Vendor: %s Rev: %s Prod: %s\n",
169 			dev_desc->vendor,
170 			dev_desc->revision,
171 			dev_desc->product);
172 		break;
173 	case IF_TYPE_DOC:
174 		puts("device type DOC\n");
175 		return;
176 	case IF_TYPE_UNKNOWN:
177 		puts("device type unknown\n");
178 		return;
179 	default:
180 		printf("Unhandled device type: %i\n", dev_desc->if_type);
181 		return;
182 	}
183 	puts ("            Type: ");
184 	if (dev_desc->removable)
185 		puts ("Removable ");
186 	switch (dev_desc->type & 0x1F) {
187 	case DEV_TYPE_HARDDISK:
188 		puts ("Hard Disk");
189 		break;
190 	case DEV_TYPE_CDROM:
191 		puts ("CD ROM");
192 		break;
193 	case DEV_TYPE_OPDISK:
194 		puts ("Optical Device");
195 		break;
196 	case DEV_TYPE_TAPE:
197 		puts ("Tape");
198 		break;
199 	default:
200 		printf ("# %02X #", dev_desc->type & 0x1F);
201 		break;
202 	}
203 	puts ("\n");
204 	if ((dev_desc->lba * dev_desc->blksz)>0L) {
205 		ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
206 		lbaint_t lba;
207 
208 		lba = dev_desc->lba;
209 
210 		lba512 = (lba * (dev_desc->blksz/512));
211 		/* round to 1 digit */
212 		mb = lba512_muldiv(lba512, 10, 2048);	/* 2048 = (1024 * 1024) / 512 MB */
213 
214 		mb_quot	= mb / 10;
215 		mb_rem	= mb - (10 * mb_quot);
216 
217 		gb = mb / 1024;
218 		gb_quot	= gb / 10;
219 		gb_rem	= gb - (10 * gb_quot);
220 #ifdef CONFIG_LBA48
221 		if (dev_desc->lba48)
222 			printf ("            Supports 48-bit addressing\n");
223 #endif
224 #if defined(CONFIG_SYS_64BIT_LBA)
225 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
226 			mb_quot, mb_rem,
227 			gb_quot, gb_rem,
228 			lba,
229 			dev_desc->blksz);
230 #else
231 		printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
232 			mb_quot, mb_rem,
233 			gb_quot, gb_rem,
234 			(ulong)lba,
235 			dev_desc->blksz);
236 #endif
237 	} else {
238 		puts ("            Capacity: not available\n");
239 	}
240 }
241 #endif
242 
243 #if (defined(CONFIG_CMD_IDE) || \
244      defined(CONFIG_CMD_MG_DISK) || \
245      defined(CONFIG_CMD_SATA) || \
246      defined(CONFIG_CMD_SCSI) || \
247      defined(CONFIG_CMD_USB) || \
248      defined(CONFIG_MMC)		|| \
249      defined(CONFIG_SYSTEMACE) )
250 
251 #if defined(CONFIG_MAC_PARTITION) || \
252     defined(CONFIG_DOS_PARTITION) || \
253     defined(CONFIG_ISO_PARTITION) || \
254     defined(CONFIG_AMIGA_PARTITION) || \
255     defined(CONFIG_EFI_PARTITION)
256 
257 void init_part (block_dev_desc_t * dev_desc)
258 {
259 #ifdef CONFIG_ISO_PARTITION
260 	if (test_part_iso(dev_desc) == 0) {
261 		dev_desc->part_type = PART_TYPE_ISO;
262 		return;
263 	}
264 #endif
265 
266 #ifdef CONFIG_MAC_PARTITION
267 	if (test_part_mac(dev_desc) == 0) {
268 		dev_desc->part_type = PART_TYPE_MAC;
269 		return;
270 	}
271 #endif
272 
273 /* must be placed before DOS partition detection */
274 #ifdef CONFIG_EFI_PARTITION
275 	if (test_part_efi(dev_desc) == 0) {
276 		dev_desc->part_type = PART_TYPE_EFI;
277 		return;
278 	}
279 #endif
280 
281 #ifdef CONFIG_DOS_PARTITION
282 	if (test_part_dos(dev_desc) == 0) {
283 		dev_desc->part_type = PART_TYPE_DOS;
284 		return;
285 	}
286 #endif
287 
288 #ifdef CONFIG_AMIGA_PARTITION
289 	if (test_part_amiga(dev_desc) == 0) {
290 	    dev_desc->part_type = PART_TYPE_AMIGA;
291 	    return;
292 	}
293 #endif
294 }
295 
296 
297 int get_partition_info (block_dev_desc_t *dev_desc, int part
298 					, disk_partition_t *info)
299 {
300 	switch (dev_desc->part_type) {
301 #ifdef CONFIG_MAC_PARTITION
302 	case PART_TYPE_MAC:
303 		if (get_partition_info_mac(dev_desc,part,info) == 0) {
304 			PRINTF ("## Valid MAC partition found ##\n");
305 			return (0);
306 		}
307 		break;
308 #endif
309 
310 #ifdef CONFIG_DOS_PARTITION
311 	case PART_TYPE_DOS:
312 		if (get_partition_info_dos(dev_desc,part,info) == 0) {
313 			PRINTF ("## Valid DOS partition found ##\n");
314 			return (0);
315 		}
316 		break;
317 #endif
318 
319 #ifdef CONFIG_ISO_PARTITION
320 	case PART_TYPE_ISO:
321 		if (get_partition_info_iso(dev_desc,part,info) == 0) {
322 			PRINTF ("## Valid ISO boot partition found ##\n");
323 			return (0);
324 		}
325 		break;
326 #endif
327 
328 #ifdef CONFIG_AMIGA_PARTITION
329 	case PART_TYPE_AMIGA:
330 	    if (get_partition_info_amiga(dev_desc, part, info) == 0)
331 	    {
332 		PRINTF ("## Valid Amiga partition found ##\n");
333 		return (0);
334 	    }
335 	    break;
336 #endif
337 
338 #ifdef CONFIG_EFI_PARTITION
339 	case PART_TYPE_EFI:
340 		if (get_partition_info_efi(dev_desc,part,info) == 0) {
341 			PRINTF ("## Valid EFI partition found ##\n");
342 			return (0);
343 		}
344 		break;
345 #endif
346 	default:
347 		break;
348 	}
349 	return (-1);
350 }
351 
352 static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
353 {
354 	puts ("\nPartition Map for ");
355 	switch (dev_desc->if_type) {
356 	case IF_TYPE_IDE:
357 		puts ("IDE");
358 		break;
359 	case IF_TYPE_SATA:
360 		puts ("SATA");
361 		break;
362 	case IF_TYPE_SCSI:
363 		puts ("SCSI");
364 		break;
365 	case IF_TYPE_ATAPI:
366 		puts ("ATAPI");
367 		break;
368 	case IF_TYPE_USB:
369 		puts ("USB");
370 		break;
371 	case IF_TYPE_DOC:
372 		puts ("DOC");
373 		break;
374 	case IF_TYPE_MMC:
375 		puts ("MMC");
376 		break;
377 	default:
378 		puts ("UNKNOWN");
379 		break;
380 	}
381 	printf (" device %d  --   Partition Type: %s\n\n",
382 			dev_desc->dev, type);
383 }
384 
385 void print_part (block_dev_desc_t * dev_desc)
386 {
387 
388 		switch (dev_desc->part_type) {
389 #ifdef CONFIG_MAC_PARTITION
390 	case PART_TYPE_MAC:
391 		PRINTF ("## Testing for valid MAC partition ##\n");
392 		print_part_header ("MAC", dev_desc);
393 		print_part_mac (dev_desc);
394 		return;
395 #endif
396 #ifdef CONFIG_DOS_PARTITION
397 	case PART_TYPE_DOS:
398 		PRINTF ("## Testing for valid DOS partition ##\n");
399 		print_part_header ("DOS", dev_desc);
400 		print_part_dos (dev_desc);
401 		return;
402 #endif
403 
404 #ifdef CONFIG_ISO_PARTITION
405 	case PART_TYPE_ISO:
406 		PRINTF ("## Testing for valid ISO Boot partition ##\n");
407 		print_part_header ("ISO", dev_desc);
408 		print_part_iso (dev_desc);
409 		return;
410 #endif
411 
412 #ifdef CONFIG_AMIGA_PARTITION
413 	case PART_TYPE_AMIGA:
414 	    PRINTF ("## Testing for a valid Amiga partition ##\n");
415 	    print_part_header ("AMIGA", dev_desc);
416 	    print_part_amiga (dev_desc);
417 	    return;
418 #endif
419 
420 #ifdef CONFIG_EFI_PARTITION
421 	case PART_TYPE_EFI:
422 		PRINTF ("## Testing for valid EFI partition ##\n");
423 		print_part_header ("EFI", dev_desc);
424 		print_part_efi (dev_desc);
425 		return;
426 #endif
427 	}
428 	puts ("## Unknown partition table\n");
429 }
430 
431 
432 #else	/* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
433 # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
434 # error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
435 # error nor CONFIG_EFI_PARTITION configured!
436 #endif
437 
438 #endif
439