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@ -30,6 +30,10 @@ prepare_images() {
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rm $out
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fi
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# The BROM cannot read 16K pages: it only reads 8k of data at most.
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# Split the SPL image in 8k chunks and pad each chunk with 8k of random
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# data to limit the impact of repeated patterns on the MLC chip.
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dd if=$in of=$out bs=8k count=1 skip=0 conv=sync
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dd if=/dev/urandom of=$out bs=8k count=1 seek=1 conv=sync
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dd if=$in of=$out bs=8k count=1 skip=1 seek=2 conv=sync
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@ -38,6 +42,7 @@ prepare_images() {
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dd if=/dev/urandom of=$out bs=8k count=1 seek=5 conv=sync
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PADDED_SPL_SIZE=`stat --printf="%s" $out | xargs printf "0x%08x"`
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# Align the u-boot image on a page boundary
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dd if=$UBOOT of=$PADDED_UBOOT bs=16k conv=sync
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PADDED_UBOOT_SIZE=`stat --printf="%s" $PADDED_UBOOT | xargs printf "0x%08x"`
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}
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