Customer request increase eMMC throutput performance base on Linux dd command base on i.MX6DL / MX6Q CPU.
We already make sure eMMC already run 8 bit , 52MHz DDR mode.
We test performance base on " dd if=/dev/mmcblk3 of=/dev/null bs=1M" to get performance is about 42MBytes. (4.1.15_1.2.0 BSP version)
root@imx6qsabresd:~# dd if=/dev/mmcblk3 of=/dev/null bs=1M
7576+0 records in
7576+0 records out
7944011776 bytes (7.9 GB, 7.4 GiB) copied, 188.931 s, 42.0 MB/s
Customer request up to 400Mbit/s base on Linux "dd if=/dev/mmcblk3 of=/dev/null bs=1M" command.
Does any patch code or other way can meet customer request ?
