Changeset 8d05346 in rtems

Timestamp:

Sep 3, 1997, 10:05:51 PM (24 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

8f35817

Parents:

cf5ef6d

Message:

Fix from Eric Norum. Here is the comment:

Enable SDMA operation during FREEZE. It seems that
disabling SDMA during freeze makes the SMC channels
work erratically.

File:

• c/src/lib/libbsp/m68k/gen68360/startup/init68360.c (modified) (2 diffs)

c/src/lib/libbsp/m68k/gen68360/startup/init68360.c

@@ -155 +155 @@
          * Step 14: More system initialization
          * SDCR (Serial DMA configuration register)
-         *      Disable SDMA during FREEZE
+         *      Enable SDMA during FREEZE
          *      Give SDMA priority over all interrupt handlers
          *      Set DMA arbiration level to 4
@@ -168 +168 @@
          *      SCCs priority grouped at top of table
          */
-        m360.sdcr = M360_SDMA_FREEZE | M360_SDMA_SISM_7 | M360_SDMA_SAID_4;
+        m360.sdcr = M360_SDMA_SISM_7 | M360_SDMA_SAID_4;
         m360.cicr = (3 << 22) | (2 << 20) | (1 << 18) | (0 << 16) |
                                                 (4 << 13) | (0x1F << 8) | (128);