update OR and adapt MPL global fence default values

Signed-off-by: Arthur Koucher <[email protected]>

Author: AcKoucher

docs/user/FlowVariables.md

@@ -200,8 +200,8 @@ configuration file.
 | <a name="RTLMP_DEAD_SPACE"></a>RTLMP_DEAD_SPACE| Specifies the target dead space percentage, which influences the utilization of a cluster.| 0.05|
 | <a name="RTLMP_FENCE_LX"></a>RTLMP_FENCE_LX| Defines the lower left X coordinate for the global fence bounding box in microns.| 0.0|
 | <a name="RTLMP_FENCE_LY"></a>RTLMP_FENCE_LY| Defines the lower left Y coordinate for the global fence bounding box in microns.| 0.0|
-| <a name="RTLMP_FENCE_UX"></a>RTLMP_FENCE_UX| Defines the upper right X coordinate for the global fence bounding box in microns.| 100000000.0|
-| <a name="RTLMP_FENCE_UY"></a>RTLMP_FENCE_UY| Defines the upper right Y coordinate for the global fence bounding box in microns.| 100000000.0|
+| <a name="RTLMP_FENCE_UX"></a>RTLMP_FENCE_UX| Defines the upper right X coordinate for the global fence bounding box in microns.| 0.0|
+| <a name="RTLMP_FENCE_UY"></a>RTLMP_FENCE_UY| Defines the upper right Y coordinate for the global fence bounding box in microns.| 0.0|
 | <a name="RTLMP_MAX_INST"></a>RTLMP_MAX_INST| Maximum number of standard cells in a cluster. If unset, rtl_macro_placer will calculate a value based on the design attributes.| |
 | <a name="RTLMP_MAX_LEVEL"></a>RTLMP_MAX_LEVEL| Maximum depth of the physical hierarchy tree.| 2|
 | <a name="RTLMP_MAX_MACRO"></a>RTLMP_MAX_MACRO| Maximum number of macros in a cluster. If unset, rtl_macro_placer will calculate a value based on the design attributes.| |

flow/scripts/variables.yaml

@@ -1102,14 +1102,14 @@ RTLMP_FENCE_UX:
   description: >
     Defines the upper right X coordinate for the global fence bounding box in
     microns.
-  default: 100000000.0
+  default: 0.0
   stages:
     - floorplan
 RTLMP_FENCE_UY:
   description: >
     Defines the upper right Y coordinate for the global fence bounding box in
     microns.
-  default: 100000000.0
+  default: 0.0
   stages:
     - floorplan
 RTLMP_ARGS: