Hi,
> From: Patrick DELAUNAY
> Sent: vendredi 6 mars 2020 11:14
>
> The derating (timing parameter derating using MR4 read value) can't be
> activated
> during BIST test, as the MR4 read answer will be not understood by BIST
> (BISTGSR.BDONE bit stay at 0, BISTWCSR.DXWCNT = 0x206 instead of
> B
On 3/6/20 11:14 AM, Patrick Delaunay wrote:
> The derating (timing parameter derating using MR4 read value)
> can't be activated during BIST test, as the MR4 read answer will
> be not understood by BIST (BISTGSR.BDONE bit stay at 0,
> BISTWCSR.DXWCNT = 0x206 instead of BISTWCR.BWCNT = 0x200).
>
>
The derating (timing parameter derating using MR4 read value)
can't be activated during BIST test, as the MR4 read answer will
be not understood by BIST (BISTGSR.BDONE bit stay at 0,
BISTWCSR.DXWCNT = 0x206 instead of BISTWCR.BWCNT = 0x200).
This patch only impacts the tuning on LPDDR2/LPDDR3,
if
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