jerpelea opened a new pull request, #19616: URL: https://github.com/apache/nuttx/pull/19616
## Summary **boards/raspberrypi-4b: Fix nxinit configuration SD issues** Propagate the solution for SD card bugs to the nxinit configuration, which also uses the nxinit configuration. **docs/raspberrypi-4b: Documentation about the SD card updated** Updated the documentation to reflect the fix of buggy SD card behaviour at the sacrifice of slower performance. **boards/raspberrypi-4b: Bug fix for broken SD card behaviour** Introduces a fixed configuration for the SD card that does not break for multi-block transfers. **bcm2711/sdio: Moderate improvement to multi-block transfers** I document the issues encountered with multi-block transfers, namely the block count failing to be set correctly. Even though I did test with that issue corrected, it required modifications to the upper-half MMCSD driver which I am not prepared to test. It also did not fix the time-out on multi-block transfers, likely because the method of verifying FIFOs have space to write is finicky. For now, limiting the block count of transfers resolves the bug! **bcm2711/mailbox: Invalidate cache before read** Cache must be invalidated before the buffer is read since the VideoCore's write will not invalidate the cache. ## Impact RELEASE ## Testing CI -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
