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-rw-r--r--tools/env/fw_env.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 90010dabd8..74451ecb94 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -1652,8 +1652,15 @@ static int check_device_config(int dev)
}
DEVTYPE(dev) = mtdinfo.type;
if (DEVESIZE(dev) == 0 && ENVSECTORS(dev) == 0 &&
- mtdinfo.type == MTD_NORFLASH)
- DEVESIZE(dev) = mtdinfo.erasesize;
+ mtdinfo.erasesize > 0) {
+ if (mtdinfo.type == MTD_NORFLASH)
+ DEVESIZE(dev) = mtdinfo.erasesize;
+ else if (mtdinfo.type == MTD_NANDFLASH) {
+ DEVESIZE(dev) = mtdinfo.erasesize;
+ ENVSECTORS(dev) =
+ mtdinfo.size / mtdinfo.erasesize;
+ }
+ }
if (DEVESIZE(dev) == 0)
/* Assume the erase size is the same as the env-size */
DEVESIZE(dev) = ENVSIZE(dev);