Merge pull request #202 from ozbenh/sim-autoinit

Default to HW control for sim
2020-06-02 15:48:41 +02:00 · 2020-06-02 15:48:41 +02:00 · 899462c864
parent d62fd24c81 f3f89ed8d1
commit 899462c864
1 changed files with 5 additions and 1 deletions
--- a/litedram/dfii.py
+++ b/litedram/dfii.py
@ -49,7 +49,11 @@ class DFIInjector(Module, AutoCSR):
        self.slave  = dfi.Interface(addressbits, bankbits, nranks, databits, nphases)
        self.master = dfi.Interface(addressbits, bankbits, nranks, databits, nphases)

-        self._control = CSRStorage(4)  # sel, cke, odt, reset_n
+        # sel, cke, odt, reset_n
+        #
+        # sel defaults 1 (HW control) so sim models don't need to perform
+        # the initialization sequence
+        self._control = CSRStorage(4, reset=0x01)

        for n, phase in enumerate(inti.phases):
            setattr(self.submodules, "pi" + str(n), PhaseInjector(phase))