+obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o
--- /dev/null
+++ b/drivers/mtd/maps/bcm963xx-flash.c
-@@ -0,0 +1,399 @@
+@@ -0,0 +1,266 @@
+/*
+ * Copyright (C) 2006-2008 Florian Fainelli <florian@openwrt.org>
+ * Mike Albon <malbon@openwrt.org>
+ .bankwidth = BUSWIDTH,
+};
+
-+static struct tagiddesc_t tagidtab[NUM_TAGID] = TAGID_DEFINITIONS;
-+
-+static uint32_t tagcrc32tab[256] = {
-+ 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
-+ 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
-+ 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
-+ 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
-+ 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
-+ 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
-+ 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
-+ 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
-+ 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
-+ 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
-+ 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
-+ 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
-+ 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
-+ 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
-+ 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
-+ 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
-+ 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
-+ 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
-+ 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
-+ 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
-+ 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
-+ 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
-+ 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
-+ 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
-+ 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
-+ 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
-+ 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
-+ 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
-+ 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
-+ 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
-+ 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
-+ 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
-+};
-+
-+static uint32_t tagcrc32(uint32_t crc, uint8_t *data, size_t len)
-+{
-+ while (len--)
-+ crc = (crc >> 8) ^ tagcrc32tab[(crc ^ *data++) & 0xFF];
-+
-+ return crc;
-+}
+
+static int parse_cfe_partitions( struct mtd_info *master, struct mtd_partition **pparts)
+{
+ int nrparts = 3, curpart = 0; /* CFE,NVRAM and global LINUX are always present. */
-+ union bcm_tag *buf;
++ struct bcm_tag *buf;
+ struct mtd_partition *parts;
+ int ret;
+ size_t retlen;
+ unsigned int rootfsaddr, kerneladdr, spareaddr;
+ unsigned int rootfslen, kernellen, sparelen, totallen;
-+ unsigned char *tagid;
+ int namelen = 0;
+ int i;
-+ uint32_t tagidcrc;
-+ uint32_t calctagidcrc;
-+ bool tagid_match = false;
+ char *boardid;
+ char *tagversion;
-+ char *matchtagid;
+
+ /* Allocate memory for buffer */
-+ buf = vmalloc(sizeof(union bcm_tag));
++ buf = vmalloc(sizeof(struct bcm_tag));
+ if (!buf)
+ return -ENOMEM;
+
+ /* Get the tag */
-+ ret = master->read(master,master->erasesize,sizeof(union bcm_tag), &retlen, (void *)buf);
-+ if (retlen != sizeof(union bcm_tag)){
++ ret = master->read(master,0x10000,sizeof(struct bcm_tag), &retlen, (void *)buf);
++ if (retlen != sizeof(struct bcm_tag)){
+ vfree(buf);
+ return -EIO;
+ }
+
-+ /* tagId isn't in the same location, so we check each tagid against the
-+ * tagid CRC. If the CRC is valid we have found the right tag and so
-+ * use that tag
-+ */
-+
-+ for (i = 0; i < NUM_TAGID; i++) {
-+ switch(i) {
-+ case 0:
-+ matchtagid = "bccfe";
-+ tagid = &(buf->bccfe.tagId[0]);
-+ sscanf(buf->bccfe.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->bccfe.rootLength, "%u", &rootfslen);
-+ sscanf(buf->bccfe.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->bccfe.kernelLength, "%u", &kernellen);
-+ sscanf(buf->bccfe.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->bccfe.tagIdCRC[0]);
-+ tagversion = &(buf->bccfe.tagVersion[0]);
-+ boardid = &(buf->bccfe.boardid[0]);
-+ break;
-+ case 1:
-+ matchtagid = "bc300";
-+ tagid = &(buf->bc300.tagId[0]);
-+ sscanf(buf->bc300.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->bc300.rootLength, "%u", &rootfslen);
-+ sscanf(buf->bc300.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->bc300.kernelLength, "%u", &kernellen);
-+ sscanf(buf->bc300.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->bc300.tagIdCRC[0]);
-+ tagversion = &(buf->bc300.tagVersion[0]);
-+ boardid = &(buf->bc300.boardid[0]);
-+ break;
-+ case 2:
-+ matchtagid = "ag306";
-+ tagid = &(buf->ag306.tagId[0]);
-+ sscanf(buf->ag306.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->ag306.rootLength, "%u", &rootfslen);
-+ sscanf(buf->ag306.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->ag306.kernelLength, "%u", &kernellen);
-+ sscanf(buf->ag306.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->ag306.tagIdCRC[0]);
-+ tagversion = &(buf->ag306.tagVersion[0]);
-+ boardid = &(buf->ag306.boardid[0]);
-+ break;
-+ case 3:
-+ matchtagid = "bc221";
-+ tagid = &(buf->bc221.tagId[0]);
-+ sscanf(buf->bc221.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->bc221.rootLength, "%u", &rootfslen);
-+ sscanf(buf->bc221.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->bc221.kernelLength, "%u", &kernellen);
-+ sscanf(buf->bc221.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->bc221.tagIdCRC[0]);
-+ tagversion = &(buf->bc221.tagVersion[0]);
-+ boardid = &(buf->bc221.boardid[0]);
-+ break;
-+ case 4:
-+ matchtagid = "bc310";
-+ tagid = &(buf->bc310.tagId[0]);
-+ sscanf(buf->bc310.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->bc310.rootLength, "%u", &rootfslen);
-+ sscanf(buf->bc310.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->bc310.kernelLength, "%u", &kernellen);
-+ sscanf(buf->bc310.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->bc310.tagIdCRC[0]);
-+ tagversion = &(buf->bc310.tagVersion[0]);
-+ boardid = &(buf->bc310.boardid[0]);
-+ break;
-+ }
-+ if (strncmp(tagid, matchtagid, TAGID_LEN) != 0) {
-+ continue;
-+ }
-+
-+ calctagidcrc = htonl(tagcrc32(IMAGETAG_CRC_START, tagid, TAGID_LEN));
-+ if (tagidcrc == calctagidcrc) {
-+ tagid_match = true;
-+ break;
-+ }
-+ }
-+
-+ if (!tagid_match) {
-+ tagid = "bcram";
-+ sscanf(buf->bccfe.rootAddress,"%u", &rootfsaddr);
-+ sscanf(buf->bccfe.rootLength, "%u", &rootfslen);
-+ sscanf(buf->bccfe.kernelAddress, "%u", &kerneladdr);
-+ sscanf(buf->bccfe.kernelLength, "%u", &kernellen);
-+ sscanf(buf->bccfe.totalLength, "%u", &totallen);
-+ tagidcrc = *(uint32_t *)&(buf->bccfe.tagIdCRC[0]);
-+ tagversion = &(buf->bccfe.tagVersion[0]);
-+ boardid = &(buf->bccfe.boardid[0]);
-+ }
++ sscanf(buf->kernelAddress, "%u", &kerneladdr);
++ sscanf(buf->kernelLength, "%u", &kernellen);
++ sscanf(buf->totalLength, "%u", &totallen);
++ tagversion = &(buf->tagVersion[0]);
++ boardid = &(buf->boardid[0]);
+
-+ printk(KERN_INFO PFX "CFE boot tag found with version %s, board type %s, and tagid %s.\n",tagversion,boardid,tagid);
++ printk(KERN_INFO PFX "CFE boot tag found with version %s and board type %s\n",tagversion, boardid);
+
-+ rootfsaddr = rootfsaddr - EXTENDED_SIZE;
+ kerneladdr = kerneladdr - EXTENDED_SIZE;
-+ spareaddr = roundup(totallen,master->erasesize) + master->erasesize;
++ rootfsaddr = kerneladdr + kernellen;
++ spareaddr = roundup(totallen, master->erasesize) + master->erasesize;
+ sparelen = master->size - spareaddr - master->erasesize;
++ rootfslen = spareaddr - rootfsaddr;
+
+ /* Determine number of partitions */
+ namelen = 8;
+ parts[curpart].name = "linux";
+ parts[curpart].offset = parts[0].size;
+ parts[curpart].size = master->size - parts[0].size - parts[3].size;
-+
++
+ for (i = 0; i < nrparts; i++)
-+ printk(KERN_INFO PFX "Partition %d is %s offset %lx and length %lx\n", i, parts[i].name, parts[i].offset, parts[i].size);
++ printk(KERN_INFO PFX "Partition %d is %s offset %lx and length %lx\n", i, parts[i].name, (long unsigned int)(parts[i].offset), (long unsigned int)(parts[i].size));
+
+ printk(KERN_INFO PFX "Spare partition is %x offset and length %x\n", spareaddr, sparelen);
+ *pparts = parts;
+ char *part_type;
+ struct resource *r;
+
-+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ bcm963xx_map.phys = r->start;
+ bcm963xx_map.size = (r->end - r->start) + 1;
+ bcm963xx_map.virt = ioremap(r->start, r->end - r->start + 1);
projects / openwrt.git / blobdiff