Root/target/linux/brcm47xx/patches-3.3/050-mtd-add-bcm47xx-part-parser.patch

1--- a/drivers/mtd/Kconfig
2+++ b/drivers/mtd/Kconfig
3@@ -172,6 +172,13 @@ config MTD_MYLOADER_PARTS
4       You will still need the parsing functions to be called by the driver
5       for your particular device. It won't happen automatically.
6 
7+config MTD_BCM47XX_PARTS
8+ tristate "BCM47XX partitioning support"
9+ default y
10+ depends on BCM47XX
11+ ---help---
12+ bcm47XX partitioning support
13+
14 comment "User Modules And Translation Layers"
15 
16 config MTD_CHAR
17--- a/drivers/mtd/Makefile
18+++ b/drivers/mtd/Makefile
19@@ -13,6 +13,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
20 obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
21 obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o
22 obj-$(CONFIG_MTD_MYLOADER_PARTS) += myloader.o
23+obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o
24 
25 # 'Users' - code which presents functionality to userspace.
26 obj-$(CONFIG_MTD_CHAR) += mtdchar.o
27--- /dev/null
28+++ b/drivers/mtd/bcm47xxpart.c
29@@ -0,0 +1,542 @@
30+/*
31+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
32+ * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
33+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
34+ *
35+ * original functions for finding root filesystem from Mike Baker
36+ *
37+ * This program is free software; you can redistribute it and/or modify it
38+ * under the terms of the GNU General Public License as published by the
39+ * Free Software Foundation; either version 2 of the License, or (at your
40+ * option) any later version.
41+ *
42+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
43+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
44+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
45+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
46+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
49+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
50+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
51+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
52+ *
53+ * You should have received a copy of the GNU General Public License along
54+ * with this program; if not, write to the Free Software Foundation, Inc.,
55+ * 675 Mass Ave, Cambridge, MA 02139, USA.
56+ *
57+ * Copyright 2001-2003, Broadcom Corporation
58+ * All Rights Reserved.
59+ *
60+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
61+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
62+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
63+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
64+ *
65+ * Flash mapping for BCM947XX boards
66+ */
67+
68+#define pr_fmt(fmt) "bcm47xx_part: " fmt
69+#include <linux/init.h>
70+#include <linux/module.h>
71+#include <linux/types.h>
72+#include <linux/kernel.h>
73+#include <linux/sched.h>
74+#include <linux/wait.h>
75+#include <linux/mtd/mtd.h>
76+#include <linux/mtd/partitions.h>
77+#include <linux/crc32.h>
78+#include <linux/io.h>
79+#include <asm/mach-bcm47xx/nvram.h>
80+#include <asm/mach-bcm47xx/bcm47xx.h>
81+#include <asm/fw/cfe/cfe_api.h>
82+
83+
84+#define TRX_MAGIC 0x30524448 /* "HDR0" */
85+#define TRX_VERSION 1
86+#define TRX_MAX_LEN 0x3A0000
87+#define TRX_NO_HEADER 1 /* Do not write TRX header */
88+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
89+#define TRX_MAX_OFFSET 3
90+
91+struct trx_header {
92+ u32 magic; /* "HDR0" */
93+ u32 len; /* Length of file including header */
94+ u32 crc32; /* 32-bit CRC from flag_version to end of file */
95+ u32 flag_version; /* 0:15 flags, 16:31 version */
96+ u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
97+};
98+
99+/* for Edimax Print servers which use an additional header
100+ * then the firmware on flash looks like :
101+ * EDIMAX HEADER | TRX HEADER
102+ * As this header is 12 bytes long we have to handle it
103+ * and skip it to find the TRX header
104+ */
105+#define EDIMAX_PS_HEADER_MAGIC 0x36315350 /* "PS16" */
106+#define EDIMAX_PS_HEADER_LEN 0xc /* 12 bytes long for edimax header */
107+
108+#define NVRAM_SPACE 0x8000
109+
110+#define ROUTER_NETGEAR_WGR614L 1
111+#define ROUTER_NETGEAR_WNR834B 2
112+#define ROUTER_NETGEAR_WNDR3300 3
113+#define ROUTER_NETGEAR_WNR3500L 4
114+#define ROUTER_SIMPLETECH_SIMPLESHARE 5
115+#define ROUTER_NETGEAR_WNDR3400 6
116+
117+static int
118+find_cfe_size(struct mtd_info *mtd)
119+{
120+ struct trx_header *trx;
121+ unsigned char buf[512];
122+ int off;
123+ size_t len;
124+ int blocksize;
125+
126+ trx = (struct trx_header *) buf;
127+
128+ blocksize = mtd->erasesize;
129+ if (blocksize < 0x10000)
130+ blocksize = 0x10000;
131+
132+ for (off = (128*1024); off < mtd->size; off += blocksize) {
133+ memset(buf, 0xe5, sizeof(buf));
134+
135+ /*
136+ * Read into buffer
137+ */
138+ if (mtd->read(mtd, off, sizeof(buf), &len, buf) ||
139+ len != sizeof(buf))
140+ continue;
141+
142+ if (le32_to_cpu(trx->magic) == EDIMAX_PS_HEADER_MAGIC) {
143+ if (mtd->read(mtd, off + EDIMAX_PS_HEADER_LEN,
144+ sizeof(buf), &len, buf) || len != sizeof(buf)) {
145+ continue;
146+ } else {
147+ pr_notice("Found edimax header\n");
148+ }
149+ }
150+
151+ /* found a TRX header */
152+ if (le32_to_cpu(trx->magic) == TRX_MAGIC)
153+ goto found;
154+ }
155+
156+ pr_notice("%s: Couldn't find bootloader size\n", mtd->name);
157+ return -1;
158+
159+ found:
160+ pr_notice("bootloader size: %d\n", off);
161+ return off;
162+
163+}
164+
165+/*
166+ * Copied from mtdblock.c
167+ *
168+ * Cache stuff...
169+ *
170+ * Since typical flash erasable sectors are much larger than what Linux's
171+ * buffer cache can handle, we must implement read-modify-write on flash
172+ * sectors for each block write requests. To avoid over-erasing flash sectors
173+ * and to speed things up, we locally cache a whole flash sector while it is
174+ * being written to until a different sector is required.
175+ */
176+
177+static void erase_callback(struct erase_info *done)
178+{
179+ wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv;
180+ wake_up(wait_q);
181+}
182+
183+static int erase_write(struct mtd_info *mtd, unsigned long pos,
184+ int len, const char *buf)
185+{
186+ struct erase_info erase;
187+ DECLARE_WAITQUEUE(wait, current);
188+ wait_queue_head_t wait_q;
189+ size_t retlen;
190+ int ret;
191+
192+ /*
193+ * First, let's erase the flash block.
194+ */
195+
196+ init_waitqueue_head(&wait_q);
197+ erase.mtd = mtd;
198+ erase.callback = erase_callback;
199+ erase.addr = pos;
200+ erase.len = len;
201+ erase.priv = (u_long)&wait_q;
202+
203+ set_current_state(TASK_INTERRUPTIBLE);
204+ add_wait_queue(&wait_q, &wait);
205+
206+ ret = mtd->erase(mtd, &erase);
207+ if (ret) {
208+ set_current_state(TASK_RUNNING);
209+ remove_wait_queue(&wait_q, &wait);
210+ pr_warn("erase of region [0x%lx, 0x%x] on \"%s\" failed\n",
211+ pos, len, mtd->name);
212+ return ret;
213+ }
214+
215+ schedule(); /* Wait for erase to finish. */
216+ remove_wait_queue(&wait_q, &wait);
217+
218+ /*
219+ * Next, write data to flash.
220+ */
221+
222+ ret = mtd->write(mtd, pos, len, &retlen, buf);
223+ if (ret)
224+ return ret;
225+ if (retlen != len)
226+ return -EIO;
227+ return 0;
228+}
229+
230+
231+static int
232+find_dual_image_off(struct mtd_info *mtd)
233+{
234+ struct trx_header trx;
235+ int off, blocksize;
236+ size_t len;
237+
238+ blocksize = mtd->erasesize;
239+ if (blocksize < 0x10000)
240+ blocksize = 0x10000;
241+
242+ for (off = (128*1024); off < mtd->size; off += blocksize) {
243+ memset(&trx, 0xe5, sizeof(trx));
244+ /*
245+ * Read into buffer
246+ */
247+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
248+ len != sizeof(trx))
249+ continue;
250+ /* found last TRX header */
251+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
252+ if (le32_to_cpu(trx.flag_version >> 16) == 2) {
253+ pr_notice("dual image TRX header found\n");
254+ return mtd->size / 2;
255+ } else {
256+ return 0;
257+ }
258+ }
259+ }
260+ return 0;
261+}
262+
263+
264+static int
265+find_root(struct mtd_info *mtd, struct mtd_partition *part)
266+{
267+ struct trx_header trx, *trx2;
268+ unsigned char buf[512], *block;
269+ int off, blocksize, trxoff = 0;
270+ u32 i, crc = ~0;
271+ size_t len;
272+ bool edimax = false;
273+
274+ blocksize = mtd->erasesize;
275+ if (blocksize < 0x10000)
276+ blocksize = 0x10000;
277+
278+ for (off = (128*1024); off < mtd->size; off += blocksize) {
279+ memset(&trx, 0xe5, sizeof(trx));
280+
281+ /*
282+ * Read into buffer
283+ */
284+ if (mtd->read(mtd, off, sizeof(trx), &len, (char *) &trx) ||
285+ len != sizeof(trx))
286+ continue;
287+
288+ /* found an edimax header */
289+ if (le32_to_cpu(trx.magic) == EDIMAX_PS_HEADER_MAGIC) {
290+ /* read the correct trx header */
291+ if (mtd->read(mtd, off + EDIMAX_PS_HEADER_LEN,
292+ sizeof(trx), &len, (char *) &trx) ||
293+ len != sizeof(trx)) {
294+ continue;
295+ } else {
296+ pr_notice("Found an edimax ps header\n");
297+ edimax = true;
298+ }
299+ }
300+
301+ /* found a TRX header */
302+ if (le32_to_cpu(trx.magic) == TRX_MAGIC) {
303+ part->offset = le32_to_cpu(trx.offsets[2]) ? :
304+ le32_to_cpu(trx.offsets[1]);
305+ part->size = le32_to_cpu(trx.len);
306+
307+ part->size -= part->offset;
308+ part->offset += off;
309+ if (edimax) {
310+ off += EDIMAX_PS_HEADER_LEN;
311+ trxoff = EDIMAX_PS_HEADER_LEN;
312+ }
313+
314+ goto found;
315+ }
316+ }
317+
318+ pr_warn("%s: Couldn't find root filesystem\n",
319+ mtd->name);
320+ return -1;
321+
322+ found:
323+ pr_notice("TRX offset : %x\n", trxoff);
324+ if (part->size == 0)
325+ return 0;
326+
327+ if (mtd->read(mtd, part->offset, sizeof(buf), &len, buf) || len != sizeof(buf))
328+ return 0;
329+
330+ /* Move the fs outside of the trx */
331+ part->size = 0;
332+
333+ if (trx.len != part->offset + part->size - off) {
334+ /* Update the trx offsets and length */
335+ trx.len = part->offset + part->size - off;
336+
337+ /* Update the trx crc32 */
338+ for (i = (u32) &(((struct trx_header *)NULL)->flag_version); i <= trx.len; i += sizeof(buf)) {
339+ if (mtd->read(mtd, off + i, sizeof(buf), &len, buf) || len != sizeof(buf))
340+ return 0;
341+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
342+ }
343+ trx.crc32 = crc;
344+
345+ /* read first eraseblock from the trx */
346+ block = kmalloc(mtd->erasesize, GFP_KERNEL);
347+ trx2 = (struct trx_header *) block;
348+ if (mtd->read(mtd, off - trxoff, mtd->erasesize, &len, block) || len != mtd->erasesize) {
349+ pr_err("Error accessing the first trx eraseblock\n");
350+ return 0;
351+ }
352+
353+ pr_notice("Updating TRX offsets and length:\n");
354+ pr_notice("old trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx2->offsets[0], trx2->offsets[1], trx2->offsets[2], trx2->len, trx2->crc32);
355+ pr_notice("new trx = [0x%08x, 0x%08x, 0x%08x], len=0x%08x crc32=0x%08x\n", trx.offsets[0], trx.offsets[1], trx.offsets[2], trx.len, trx.crc32);
356+
357+ /* Write updated trx header to the flash */
358+ memcpy(block + trxoff, &trx, sizeof(trx));
359+ if (mtd->unlock)
360+ mtd->unlock(mtd, off - trxoff, mtd->erasesize);
361+ erase_write(mtd, off - trxoff, mtd->erasesize, block);
362+ if (mtd->sync)
363+ mtd->sync(mtd);
364+ kfree(block);
365+ pr_notice("Done\n");
366+ }
367+
368+ return part->size;
369+}
370+
371+static int get_router(void)
372+{
373+ char buf[20];
374+ u32 boardnum = 0;
375+ u16 boardtype = 0;
376+ u16 boardrev = 0;
377+ u32 boardflags = 0;
378+ u16 sdram_init = 0;
379+ u16 cardbus = 0;
380+ u16 strev = 0;
381+
382+ if (nvram_getenv("boardnum", buf, sizeof(buf)) >= 0)
383+ boardnum = simple_strtoul(buf, NULL, 0);
384+ if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
385+ boardtype = simple_strtoul(buf, NULL, 0);
386+ if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
387+ boardrev = simple_strtoul(buf, NULL, 0);
388+ if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0)
389+ boardflags = simple_strtoul(buf, NULL, 0);
390+ if (nvram_getenv("sdram_init", buf, sizeof(buf)) >= 0)
391+ sdram_init = simple_strtoul(buf, NULL, 0);
392+ if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
393+ cardbus = simple_strtoul(buf, NULL, 0);
394+ if (nvram_getenv("st_rev", buf, sizeof(buf)) >= 0)
395+ strev = simple_strtoul(buf, NULL, 0);
396+
397+ if ((boardnum == 8 || boardnum == 01)
398+ && boardtype == 0x0472 && cardbus == 1) {
399+ /* Netgear WNR834B, Netgear WNR834Bv2 */
400+ return ROUTER_NETGEAR_WNR834B;
401+ }
402+
403+ if (boardnum == 01 && boardtype == 0x0472 && boardrev == 0x23) {
404+ /* Netgear WNDR-3300 */
405+ return ROUTER_NETGEAR_WNDR3300;
406+ }
407+
408+ if ((boardnum == 83258 || boardnum == 01)
409+ && boardtype == 0x048e
410+ && (boardrev == 0x11 || boardrev == 0x10)
411+ && boardflags == 0x750
412+ && sdram_init == 0x000A) {
413+ /* Netgear WGR614v8/L/WW 16MB ram, cfe v1.3 or v1.5 */
414+ return ROUTER_NETGEAR_WGR614L;
415+ }
416+
417+ if ((boardnum == 1 || boardnum == 3500)
418+ && boardtype == 0x04CF
419+ && (boardrev == 0x1213 || boardrev == 02)) {
420+ /* Netgear WNR3500v2/U/L */
421+ return ROUTER_NETGEAR_WNR3500L;
422+ }
423+
424+ if (boardnum == 1 && boardtype == 0xb4cf && boardrev == 0x1100) {
425+ /* Netgear WNDR3400 */
426+ return ROUTER_NETGEAR_WNDR3400;
427+ }
428+
429+ if (boardtype == 0x042f
430+ && boardrev == 0x10
431+ && boardflags == 0
432+ && strev == 0x11) {
433+ /* Simpletech Simpleshare */
434+ return ROUTER_SIMPLETECH_SIMPLESHARE;
435+ }
436+
437+ return 0;
438+}
439+
440+static int parse_bcm47xx_partitions(struct mtd_info *mtd,
441+ struct mtd_partition **pparts,
442+ struct mtd_part_parser_data *data)
443+{
444+ int cfe_size;
445+ int dual_image_offset = 0;
446+ /* e.g Netgear 0x003e0000-0x003f0000 : "board_data", we exclude this
447+ * part from our mapping to prevent overwriting len/checksum on e.g.
448+ * Netgear WGR614v8/L/WW
449+ */
450+ int custom_data_size = 0;
451+ struct mtd_partition *bcm47xx_parts;
452+
453+ cfe_size = find_cfe_size(mtd);
454+ if (cfe_size < 0)
455+ return 0;
456+
457+ bcm47xx_parts = kzalloc(sizeof(struct mtd_partition) * 6, GFP_KERNEL);
458+
459+ bcm47xx_parts[0].name = "cfe";
460+ bcm47xx_parts[1].name = "linux";
461+ bcm47xx_parts[2].name = "rootfs";
462+ bcm47xx_parts[3].name = "nvram";
463+
464+ /* boot loader */
465+ bcm47xx_parts[0].mask_flags = MTD_WRITEABLE;
466+ bcm47xx_parts[0].offset = 0;
467+ bcm47xx_parts[0].size = cfe_size;
468+
469+ /* nvram */
470+ if (cfe_size != 384 * 1024) {
471+
472+ switch (get_router()) {
473+ case ROUTER_NETGEAR_WGR614L:
474+ case ROUTER_NETGEAR_WNR834B:
475+ case ROUTER_NETGEAR_WNDR3300:
476+ case ROUTER_NETGEAR_WNR3500L:
477+ case ROUTER_NETGEAR_WNDR3400:
478+ /* Netgear: checksum is @ 0x003AFFF8 for 4M flash or checksum
479+ * is @ 0x007AFFF8 for 8M flash
480+ */
481+ custom_data_size = mtd->erasesize;
482+
483+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize);
484+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize);
485+
486+ /* Place CFE board_data into a partition */
487+ bcm47xx_parts[4].name = "board_data";
488+ bcm47xx_parts[4].offset = bcm47xx_parts[3].offset - custom_data_size;
489+ bcm47xx_parts[4].size = custom_data_size;
490+ break;
491+
492+ case ROUTER_SIMPLETECH_SIMPLESHARE:
493+ /* Fixup Simpletech Simple share nvram */
494+
495+ pr_notice("Setting up simpletech nvram\n");
496+ custom_data_size = mtd->erasesize;
497+
498+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize) * 2;
499+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize);
500+
501+ /* Place backup nvram into a partition */
502+ bcm47xx_parts[4].name = "nvram_copy";
503+ bcm47xx_parts[4].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize);
504+ bcm47xx_parts[4].size = roundup(NVRAM_SPACE, mtd->erasesize);
505+ break;
506+
507+ default:
508+ bcm47xx_parts[3].offset = mtd->size - roundup(NVRAM_SPACE, mtd->erasesize);
509+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize);
510+ }
511+
512+ } else {
513+ /* nvram (old 128kb config partition on netgear wgt634u) */
514+ bcm47xx_parts[3].offset = bcm47xx_parts[0].size;
515+ bcm47xx_parts[3].size = roundup(NVRAM_SPACE, mtd->erasesize);
516+ }
517+
518+ /* dual image offset*/
519+ pr_notice("Looking for dual image\n");
520+ dual_image_offset = find_dual_image_off(mtd);
521+ /* linux (kernel and rootfs) */
522+ if (cfe_size != 384 * 1024) {
523+ if (get_router() == ROUTER_SIMPLETECH_SIMPLESHARE) {
524+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size;
525+ bcm47xx_parts[1].size = bcm47xx_parts[4].offset - dual_image_offset -
526+ bcm47xx_parts[1].offset - custom_data_size;
527+ } else {
528+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size;
529+ bcm47xx_parts[1].size = bcm47xx_parts[3].offset - dual_image_offset -
530+ bcm47xx_parts[1].offset - custom_data_size;
531+ }
532+ } else {
533+ /* do not count the elf loader, which is on one block */
534+ bcm47xx_parts[1].offset = bcm47xx_parts[0].size +
535+ bcm47xx_parts[3].size + mtd->erasesize;
536+ bcm47xx_parts[1].size = mtd->size -
537+ bcm47xx_parts[0].size -
538+ (2*bcm47xx_parts[3].size) -
539+ mtd->erasesize - custom_data_size;
540+ }
541+
542+ /* find and size rootfs */
543+ find_root(mtd, &bcm47xx_parts[2]);
544+ bcm47xx_parts[2].size = mtd->size - dual_image_offset -
545+ bcm47xx_parts[2].offset -
546+ bcm47xx_parts[3].size - custom_data_size;
547+ *pparts = bcm47xx_parts;
548+ return bcm47xx_parts[4].name == NULL ? 4 : 5;
549+}
550+
551+static struct mtd_part_parser bcm47xx_parser = {
552+ .owner = THIS_MODULE,
553+ .parse_fn = parse_bcm47xx_partitions,
554+ .name = "bcm47xx",
555+};
556+
557+static int __init bcm47xx_parser_init(void)
558+{
559+ return register_mtd_parser(&bcm47xx_parser);
560+}
561+
562+static void __exit bcm47xx_parser_exit(void)
563+{
564+ deregister_mtd_parser(&bcm47xx_parser);
565+}
566+
567+module_init(bcm47xx_parser_init);
568+module_exit(bcm47xx_parser_exit);
569+
570+MODULE_LICENSE("GPL");
571+MODULE_DESCRIPTION("Parsing code for flash partitions on bcm47xx SoCs");
572

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