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-rw-r--r--README7
1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index f7f41bc7ed..7879eef16f 100644
--- a/README
+++ b/README
@@ -1357,6 +1357,13 @@ The following options need to be configured:
CONFIG_DFU_MMC
This enables support for exposing (e)MMC devices via DFU.
+ CONFIG_SYS_DFU_MAX_FILE_SIZE
+ When updating files rather than the raw storage device,
+ we use a static buffer to copy the file into and then write
+ the buffer once we've been given the whole file. Define
+ this to the maximum filesize (in bytes) for the buffer.
+ Default is 4 MiB if undefined.
+
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
CONFIG_JFFS2_NAND_DEV
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