Make sure memory turned on before accessing

SCCS-vsn: sys/vax/if/if_ec.c 4.6

diff --git a/usr/src/sys/vax/if/if_ec.c b/usr/src/sys/vax/if/if_ec.c
index 7c3794e..d568aeb 100644 (file)
--- a/usr/src/sys/vax/if/if_ec.c
+++ b/usr/src/sys/vax/if/if_ec.c
@@ -1,4 +1,4 @@
-/*     if_ec.c 4.5     82/04/14        */
+/*     if_ec.c 4.6     82/05/07        */

 
 #include "ec.h"
 #include "imp.h"
 
 #include "ec.h"
 #include "imp.h"


@@ -87,6 +87,10 @@ COUNT(ECPROBE);
        br = 0; cvec = br; br = cvec;
        ecrint(0); ecxint(0); eccollide(0);
 #endif
        br = 0; cvec = br; br = cvec;
        ecrint(0); ecxint(0); eccollide(0);
 #endif

+       /*
+        * Make sure memory is turned on
+        */
+       addr->ec_rcr = EC_AROM;

        /*
         * Check for existence of buffers on Unibus.
         * This won't work on a 780 until more work is done.
        /*
         * Check for existence of buffers on Unibus.
         * This won't work on a 780 until more work is done.


@@ -232,6 +236,8 @@ ecinit(unit)
        /*
         * Hang receive buffers and start any pending
         * writes by faking a transmit complete.
        /*
         * Hang receive buffers and start any pending
         * writes by faking a transmit complete.

+        * Writing into the rcr also makes sure the memory
+        * is turned on.

         */
        s = splimp();
        for (i=ECRHBF; i>=ECRLBF; i--)
         */
        s = splimp();
        for (i=ECRHBF; i>=ECRLBF; i--)