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Published 20 hours ago • verified publisher icon openhwgroup

QSPIM1_CSN3 is not accessible

Open MikeOpenHWGroup opened this issue 2 years ago • 2 comments

Is there an existing core-v-mcu bug for this?

  • [X] I have searched the existing bug issues

Bug Description

The IO assignments in pad_control.sv do not include QSPIM1_CSN3, the fourth chip-select for QSPI master 1. Note that the IO assignments in do include QSPIM1_DATA3, so one would expect the chip select to be also included.

AFAIK, this will not affect the operation of QPSI master 1 other than to limit the number of QSPI slaves to 3. @gmartin102 can you confirm this?

MikeOpenHWGroup avatar Dec 29 '22 19:12 MikeOpenHWGroup

Joseph Julicher of AWS reports that the CORE-V-MCU Devkit will not use QSPI1_CSN3, so I have added the wontfix label. Recommend we fix this issue for future releases after RTL freeze of the next release.

MikeOpenHWGroup avatar Jan 04 '23 17:01 MikeOpenHWGroup

Correct, CSN3 is not used by the devkit.

n9wxu avatar Jan 11 '23 18:01 n9wxu