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  1. Zephyr
  2. ZEP-966

need support for EM7D SOC on em_starterkit

    Details

    • Type: Story
    • Status: Closed
    • Priority: Medium
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: v1.6.0
    • Component/s: Boards
    • Labels:
      None

      Description

      The v2.2 EM Starterkit supports 3 different SOC selections:
      em7d, em9d, em11d.
      Zephyr has two of these implemented: em9d, and em11d.
      But em7d cannot yet be implemented because it does not support the FIRQ interrupt in the same way. There is an option where FIRQ doesn't use a 2nd register bank.
      RGF_NUM_BANKS==1 on em7d.
      Thus the FIRQ handler has to save/restore all scratch registers, similar to what
      regular interrupts do.

      The task here is to make RGF_NUM_BANKS configurable and when its '1', to have firq handler save/restore scratch registers, and for em7d SOC to set RGF_NUM_BANKS=1.

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            • Assignee:
              cjordan44 Chuck Jordan
              Reporter:
              cjordan44 Chuck Jordan
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              Dates

              • Created:
                Updated:
                Resolved: