On 10/15/2016 12:13 AM, Dinh Nguyen wrote: > > > On 10/14/2016 10:09 AM, Marek Vasut wrote: >> On 10/14/2016 03:08 PM, Dinh Nguyen wrote: >>> >>> >>> On 10/14/2016 02:23 AM, Marek Vasut wrote: >>>> On 10/10/2016 05:52 PM, Dinh Nguyen wrote: >>>>> Hi, >>>> >>>> Hi, >>>> >>>>> This patchset adds the PL330 DMA driver to U-Boot. The SoCFPGA platform >>>>> makes >>>>> use of the PL330 to transfer zereos to the SDRAM which enables the ECC >>>>> bit. >>>> >>>> Is there some considerable performanCONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCENce >>>> benefit over memset() in this case ? >>>> >>> >>> Yes, with the DMA, it takes ~1.5 secs, with memset, it's ~15 secs. >> >> Understood, thanks. I hope the scrubbing can be disabled in non-ECC case ? >> > > Yes, the scrubbing is only done if CONFIG_HPS_SDR_CTRLCFG_CTRLCFG_ECCEN > == 1.
Understood, thanks for confirming. I will check 1/4 and 4/4 shortly, I just got back from ELCE and I'm dead tired. -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
