Use myloader parser in the adm5120 mtd driver. Do not use EXPORT_SYMBOL in myloader...
authorFlorian Fainelli <florian@openwrt.org>
Wed, 28 Mar 2007 09:10:46 +0000 (09:10 +0000)
committerFlorian Fainelli <florian@openwrt.org>
Wed, 28 Mar 2007 09:10:46 +0000 (09:10 +0000)
SVN-Revision: 6737

target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120_mtd.c
target/linux/adm5120-2.6/files/drivers/mtd/myloader.c

index 1fdbc7f1008ef7f3c725313c64751d785f5c5e51..426ab67c824a69c97e4bea81b0e7d2f3459b1570 100644 (file)
 #include <linux/squashfs_fs.h>
 #include <linux/jffs2.h>
 #include <linux/crc32.h>
-#ifdef CONFIG_SSB
-#include <linux/ssb/ssb.h>
-#endif
 #include <asm/io.h>
+#include <asm/mach-adm5120/myloader.h>
+#include <asm/mach-adm5120/adm5120_info.h>
 
+extern int parse_myloader_partitions(struct mtd_info *master,
+                        struct mtd_partition **pparts,
+                        unsigned long origin);
 
 #define TRX_MAGIC      0x30524448      /* "HDR0" */
 #define TRX_VERSION    1
@@ -76,9 +78,6 @@ struct trx_header {
 #define WINDOW_SIZE 0x400000
 #define BUSWIDTH 2
 
-#ifdef CONFIG_SSB
-extern struct ssb_bus ssb;
-#endif
 static struct mtd_info *adm5120_mtd;
 
 static struct map_info adm5120_map = {
@@ -90,7 +89,7 @@ static struct map_info adm5120_map = {
 
 #ifdef CONFIG_MTD_PARTITIONS
 
-static struct mtd_partition adm5120_parts[] = {
+static struct mtd_partition adm5120_cfe_parts[] = {
        { name: "cfe",  offset: 0, size: 0, mask_flags: MTD_WRITEABLE, },
        { name: "linux", offset: 0, size: 0, },
        { name: "rootfs", offset: 0, size: 0, },
@@ -325,91 +324,78 @@ init_mtd_partitions(struct mtd_info *mtd, size_t size)
                return NULL;
 
        /* boot loader */
-       adm5120_parts[0].offset = 0;
-       adm5120_parts[0].size   = cfe_size;
+       adm5120_cfe_parts[0].offset = 0;
+       adm5120_cfe_parts[0].size   = cfe_size;
 
        /* nvram */
        if (cfe_size != 384 * 1024) {
-               adm5120_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
-               adm5120_parts[3].size   = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+               adm5120_cfe_parts[3].offset = size - ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+               adm5120_cfe_parts[3].size   = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
        } else {
                /* nvram (old 128kb config partition on netgear wgt634u) */
-               adm5120_parts[3].offset = adm5120_parts[0].size;
-               adm5120_parts[3].size   = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
+               adm5120_cfe_parts[3].offset = adm5120_cfe_parts[0].size;
+               adm5120_cfe_parts[3].size   = ROUNDUP(NVRAM_SPACE, mtd->erasesize);
        }
 
        /* linux (kernel and rootfs) */
        if (cfe_size != 384 * 1024) {
-               adm5120_parts[1].offset = adm5120_parts[0].size;
-               adm5120_parts[1].size   = adm5120_parts[3].offset - 
-                       adm5120_parts[1].offset;
+               adm5120_cfe_parts[1].offset = adm5120_cfe_parts[0].size;
+               adm5120_cfe_parts[1].size   = adm5120_cfe_parts[3].offset - 
+                       adm5120_cfe_parts[1].offset;
        } else {
                /* do not count the elf loader, which is on one block */
-               adm5120_parts[1].offset = adm5120_parts[0].size + 
-                       adm5120_parts[3].size + mtd->erasesize;
-               adm5120_parts[1].size   = size - 
-                       adm5120_parts[0].size - 
-                       (2*adm5120_parts[3].size) - 
+               adm5120_cfe_parts[1].offset = adm5120_cfe_parts[0].size + 
+                       adm5120_cfe_parts[3].size + mtd->erasesize;
+               adm5120_cfe_parts[1].size   = size - 
+                       adm5120_cfe_parts[0].size - 
+                       (2*adm5120_cfe_parts[3].size) - 
                        mtd->erasesize;
        }
 
        /* find and size rootfs */
-       if (find_root(mtd,size,&adm5120_parts[2])==0) {
+       if (find_root(mtd,size,&adm5120_cfe_parts[2])==0) {
                /* entirely jffs2 */
-               adm5120_parts[4].name = NULL;
-               adm5120_parts[2].size = size - adm5120_parts[2].offset - 
-                               adm5120_parts[3].size;
+               adm5120_cfe_parts[4].name = NULL;
+               adm5120_cfe_parts[2].size = size - adm5120_cfe_parts[2].offset - 
+                               adm5120_cfe_parts[3].size;
        } else {
                /* legacy setup */
                /* calculate leftover flash, and assign it to the jffs2 partition */
                if (cfe_size != 384 * 1024) {
-                       adm5120_parts[4].offset = adm5120_parts[2].offset + 
-                               adm5120_parts[2].size;
-                       if ((adm5120_parts[4].offset % mtd->erasesize) > 0) {
-                               adm5120_parts[4].offset += mtd->erasesize - 
-                                       (adm5120_parts[4].offset % mtd->erasesize);
+                       adm5120_cfe_parts[4].offset = adm5120_cfe_parts[2].offset + 
+                               adm5120_cfe_parts[2].size;
+                       if ((adm5120_cfe_parts[4].offset % mtd->erasesize) > 0) {
+                               adm5120_cfe_parts[4].offset += mtd->erasesize - 
+                                       (adm5120_cfe_parts[4].offset % mtd->erasesize);
                        }
-                       adm5120_parts[4].size = adm5120_parts[3].offset - 
-                               adm5120_parts[4].offset;
+                       adm5120_cfe_parts[4].size = adm5120_cfe_parts[3].offset - 
+                               adm5120_cfe_parts[4].offset;
                } else {
-                       adm5120_parts[4].offset = adm5120_parts[2].offset + 
-                               adm5120_parts[2].size;
-                       if ((adm5120_parts[4].offset % mtd->erasesize) > 0) {
-                               adm5120_parts[4].offset += mtd->erasesize - 
-                                       (adm5120_parts[4].offset % mtd->erasesize);
+                       adm5120_cfe_parts[4].offset = adm5120_cfe_parts[2].offset + 
+                               adm5120_cfe_parts[2].size;
+                       if ((adm5120_cfe_parts[4].offset % mtd->erasesize) > 0) {
+                               adm5120_cfe_parts[4].offset += mtd->erasesize - 
+                                       (adm5120_cfe_parts[4].offset % mtd->erasesize);
                        }
-                       adm5120_parts[4].size = size - adm5120_parts[3].size - 
-                               adm5120_parts[4].offset;
+                       adm5120_cfe_parts[4].size = size - adm5120_cfe_parts[3].size - 
+                               adm5120_cfe_parts[4].offset;
                }
        }
 
-       return adm5120_parts;
+       return adm5120_cfe_parts;
 }
 #endif
 
 int __init init_adm5120_map(void)
 {
-#ifdef CONFIG_SSB
-       struct ssb_mipscore *mcore = &ssb.mipscore;
-#endif
        size_t size;
        int ret = 0;
-#ifdef CONFIG_MTD_PARTITIONS
+#if defined (CONFIG_MTD_PARTITIONS) || (CONFIG_MTD_MYLOADER_PARTS)
        struct mtd_partition *parts;
-       int i;
+       int i, parsed_nr_parts = 0;
 #endif
-#ifdef CONFIG_SSB
-       u32 window = mcore->flash_window;
-       u32 window_size = mcore->flash_window_size;
-
-       printk("adm5120 : flash init: 0x%08x 0x%08x\n", window, window_size);
-       adm5120_map.phys = window;
-       adm5120_map.size = window_size;
-       adm5120_map.virt = ioremap_nocache(window, window_size);
-#else
        printk("adm5120 : flash init : 0x%08x 0x%08x\n", WINDOW_ADDR, WINDOW_SIZE);
        adm5120_map.virt = ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE);
-#endif
 
        if (!adm5120_map.virt) {
                printk("Failed to ioremap\n");
@@ -430,12 +416,41 @@ int __init init_adm5120_map(void)
        printk(KERN_NOTICE "Flash device: 0x%x at 0x%x\n", size, WINDOW_ADDR);
 
 #ifdef CONFIG_MTD_PARTITIONS
-       parts = init_mtd_partitions(adm5120_mtd, size);
-       for (i = 0; parts[i].name; i++);
-       ret = add_mtd_partitions(adm5120_mtd, parts, i);
-       if (ret) {
-               printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
-               goto fail;
+
+       if (adm5120_info.boot_loader == BOOT_LOADER_CFE)
+       {
+               printk(KERN_NOTICE "adm5120 : using CFE flash mapping\n");
+               parts = init_mtd_partitions(adm5120_mtd, size);
+       
+               for (i = 0; parts[i].name; i++);
+                       ret = add_mtd_partitions(adm5120_mtd, parts, i);
+       
+               if (ret) {
+                       printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
+                       goto fail;
+               }
+       }
+#endif
+#ifdef CONFIG_MTD_MYLOADER_PARTS
+       if (adm5120_info.boot_loader == BOOT_LOADER_MYLOADER)
+       {
+               printk(KERN_NOTICE "adm5120 : using MyLoader flash mapping\n");
+               char *part_type;
+               
+               if (parsed_nr_parts == 0) {
+                       ret = parse_myloader_partitions(adm5120_mtd, &parts, 0);
+
+                       if (ret  > 0) {
+                               part_type ="MyLoader";
+                               parsed_nr_parts = ret;
+                       }
+               }
+               ret = add_mtd_partitions(adm5120_mtd, parts, parsed_nr_parts);
+
+               if (ret) {
+                       printk(KERN_ERR "Flash: add_mtd_partitions failed\n");
+                       goto fail;
+               }
        }
 #endif
        return 0;
index 1bdd798e46bd96a8b6c9c9d01ada7ba469099c97..023ae5c61fd652187cac2c29ec5742d263911109 100644 (file)
@@ -40,7 +40,7 @@
 #define NAME_PARTITION_TABLE   "Partition Table"
 #define BLOCK_LEN_MIN          0x10000
 
-static int parse_myloader_partitions(struct mtd_info *master,
+int parse_myloader_partitions(struct mtd_info *master,
                        struct mtd_partition **pparts,
                        unsigned long origin)
 {
@@ -171,8 +171,6 @@ static void __exit mylo_mtd_parser_exit(void)
 module_init(mylo_mtd_parser_init);
 module_exit(mylo_mtd_parser_exit);
 
-EXPORT_SYMBOL_GPL(parse_myloader_partitions);
-
 MODULE_AUTHOR("Gabor Juhos <juhosg@freemail.hu>");
 MODULE_DESCRIPTION("Parsing code for MyLoader partition tables");
 MODULE_LICENSE("GPL");