[PATCH 0/3] rockchip: sdhci: Add HS400 Enhanced Strobe support
Alper Nebi Yasak
alpernebiyasak at gmail.com
Mon Nov 1 10:19:00 CET 2021
On 01/11/2021 12:07, Alper Nebi Yasak wrote:
> I'm trying this with "load mmc 0:1 0xd0000000 /bigfile $size" and getting
> the following speeds; and with "mmc info" the following differences:
>
> gru-kevin mmc0 | w/o this series | w/ this series
> --------------------+---------------------------+-------------------
> Bus Speed | 52000000 | 200000000
> Mode | MMC High Speed (52MHz) | HS400ES (200 MHz)
> 8MiB Load Speed | ~9.5 MiB/s | ~51.5 MiB/s
> 256MiB Load Speed | ~177.8 MiB/s | ~114.5 MiB/s
I have messed this table up while reformatting it from one orientation
to another... The last two rows are transposed, and are instead:
> 8MiB Load Speed | ~9.5 MiB/s | ~177.8 MiB/s
> 256MiB Load Speed | ~51.5 MiB/s | ~114.5 MiB/s
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