These changes are required to support attaching bwn(4) via bhnd(4).
Depends on D13021
Details
Details
- Reviewers
adrian - Commits
- rS326292: bhnd(4): Fix bcma/siba core reset behavior
Tested against bcma(4) and siba(4) MIPS and PCI(e) targets.
Diff Detail
Diff Detail
- Lint
Lint Passed - Unit
No Test Coverage - Build Status
Buildable 12634 Build 12905: arc lint + arc unit
Event Timeline
Comment Actions
- Implement missing support for specifying I/O control flags during core reset.
- Add missing check for siba(4) target reject flags in bhnd_is_hw_suspended()
- Fix siba(4) core suspend/reset behavior:
- We don't need to wait on SIBA_TMH_BUSY when modifying any target state register; only when waiting for initiated transactions to clear.
- We do need to wait on SIBA_IM_BY when asserting SIBA_IM_RJ.
- We need to overwrite any previously set SIBA_TML_REJ flag when bringing the core out of reset. This fixes a lockup that occured when we brought up a core (after reboot) that had previously been placed into RESET by siba_bwn(4).