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-rw-r--r--common/cmd_jffs2.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c
index 7866c80..0818ea8 100644
--- a/common/cmd_jffs2.c
+++ b/common/cmd_jffs2.c
@@ -1778,6 +1778,96 @@ int mtdparts_init(void)
*/
/**
+ * Calculate sector size.
+ *
+ * @return sector size
+ */
+static inline u32 get_part_sector_size_nand(struct mtdids *id)
+{
+#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
+#if defined(CONFIG_NAND_LEGACY)
+ extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE];
+
+ return nand_dev_desc[id->num].erasesize;
+#else
+ nand_info_t *nand;
+
+ nand = &nand_info[id->num];
+
+ return nand->erasesize;
+#endif
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size_nor(struct mtdids *id, struct part_info *part)
+{
+#if defined(CONFIG_CMD_FLASH)
+ extern flash_info_t flash_info[];
+
+ u32 end_phys, start_phys, sector_size = 0, size = 0;
+ int i;
+ flash_info_t *flash;
+
+ flash = &flash_info[id->num];
+
+ start_phys = flash->start[0] + part->offset;
+ end_phys = start_phys + part->size;
+
+ for (i = 0; i < flash->sector_count; i++) {
+ if (flash->start[i] >= end_phys)
+ break;
+
+ if (flash->start[i] >= start_phys) {
+ if (i == flash->sector_count - 1) {
+ size = flash->start[0] + flash->size - flash->start[i];
+ } else {
+ size = flash->start[i+1] - flash->start[i];
+ }
+
+ if (sector_size < size)
+ sector_size = size;
+ }
+ }
+
+ return sector_size;
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size_onenand(void)
+{
+#if defined(CONFIG_CMD_ONENAND)
+ struct mtd_info *mtd;
+
+ mtd = &onenand_mtd;
+
+ return mtd->erasesize;
+#else
+ BUG();
+ return 0;
+#endif
+}
+
+static inline u32 get_part_sector_size(struct mtdids *id, struct part_info *part)
+{
+ if (id->type == MTD_DEV_TYPE_NAND)
+ return get_part_sector_size_nand(id);
+ else if (id->type == MTD_DEV_TYPE_NOR)
+ return get_part_sector_size_nor(id, part);
+ else if (id->type == MTD_DEV_TYPE_ONENAND)
+ return get_part_sector_size_onenand();
+ else
+ DEBUGF("Error: Unknown device type.\n");
+
+ return 0;
+}
+
+/**
* Parse and initialize global mtdids mapping and create global
* device/partition list.
*
@@ -1846,6 +1936,8 @@ int mtdparts_init(void)
part->offset = 0x00000000;
#endif
+ part->sector_size = get_part_sector_size(id, part);
+
part->dev = current_dev;
INIT_LIST_HEAD(&part->link);