Re: [PATCH 2/3] TI QSPI: add support for dual and quad-bit I/O read

2020-12-01 Thread Jean Pihet
Pratyush, On Mon, Nov 30, 2020 at 2:09 PM Pratyush Yadav wrote: > > Hi Jean, > > Quick disclaimer: I am not familiar with the IP or the driver so I just > gave this patch a brief read and did not dig into it a lot. This is in > no way a comprehensive review. > > On 29/11/20 11:39AM, Jean Pihet wr

Re: [PATCH 2/3] TI QSPI: add support for dual and quad-bit I/O read

2020-11-30 Thread Pratyush Yadav
Hi Jean, Quick disclaimer: I am not familiar with the IP or the driver so I just gave this patch a brief read and did not dig into it a lot. This is in no way a comprehensive review. On 29/11/20 11:39AM, Jean Pihet wrote: > TI QSPI: the TI QSPI IP has a limitation of 64MB of MMIO so use > the M

[PATCH 2/3] TI QSPI: add support for dual and quad-bit I/O read

2020-11-29 Thread Jean Pihet
TI QSPI: the TI QSPI IP has a limitation of 64MB of MMIO so use the MMIO mode to read below 64MB and fallback to the SW generated sequences to read above 64MB. The TI QSPI IP has another limitation of 4096 words per frame, so split the accesses into smaller ones. Also fix the TI QSPI operating freq