Changeset 84ff8b7b in rtems for c/src/lib/libbsp/m68k/gen68360/startup/init68360.c

Timestamp:

Oct 13, 1997, 5:38:18 PM (24 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

d17d4d2f

Parents:

d9fe8e2

Message:

New version of this file from Eric Norum.

File:

• c/src/lib/libbsp/m68k/gen68360/startup/init68360.c (modified) (5 diffs)

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

@@ -70 +70 @@
         /*
          * Step 8: Initialize system protection
-         *      Enable watchdog
-         *      Watchdog causes system reset
-         *      Next-to-slowest watchdog timeout
-         *          (21 seconds with 25 MHz oscillator)
-         *      Enable double bus fault monitor
-         *      Enable bus monitor for external cycles
-         *      1024 clocks for external timeout
-         */
-         m360.sypcr = 0xEC;
+         *      Enable watchdog
+         *      Watchdog causes system reset
+         *      Next-to-slowest watchdog timeout (21 seconds with 25 MHz oscillator)
+         *      Enable double bus fault monitor
+         *      Enable bus monitor for external cycles
+         *      1024 clocks for external timeout
+         */
+        m360.sypcr = 0xEC;
 
         /*
@@ -219 +218 @@
         /*
          * Step 8: Initialize system protection
-         *      Disable watchdog FIXME: Should use watchdog!!!!
+         *      Enable watchdog
          *      Watchdog causes system reset
-         *      Slowest watchdog timeout
+         *      Next-to-slowest watchdog timeout (21 seconds with 25 MHz oscillator)
          *      Enable double bus fault monitor
-         *      Enable bus monitor external
-         *      128 clocks for external timeout
-         */
-        m360.sypcr = 0x7F;
+         *      Enable bus monitor for external cycles
+         *      1024 clocks for external timeout
+         */
+        m360.sypcr = 0xEC;
 
         /*
@@ -308 +307 @@
          * 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
@@ -321 +320 @@
          *      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);
@@ -370 +369 @@
         /*
          * Step 8: Initialize system protection
-         *      Enable watchdog
-         *      Watchdog causes system reset
-         *      Next-to-slowest watchdog timeout
-         *          (21 seconds with 25 MHz oscillator)
-         *      Enable double bus fault monitor
-         *      Enable bus monitor for external cycles
-         *      1024 clocks for external timeout
-         */
-         m360.sypcr = 0xEC;
+         *      Enable watchdog
+         *      Watchdog causes system reset
+         *      Next-to-slowest watchdog timeout (21 seconds with 25 MHz oscillator)
+         *      Enable double bus fault monitor
+         *      Enable bus monitor for external cycles
+         *      1024 clocks for external timeout
+         */
+        m360.sypcr = 0xEC;
 
         /*