flow: designs: ihp-sg13g2: Update I2C GPIO Expander

Move the I2cDeviceCtrl into a macro to have one chip design
with an embedded macro generated by OR.

Signed-off-by: Daniel Schultz <[email protected]>

Author: dnltz

flow/designs/ihp-sg13g2/i2c-gpio-expander/I2cDeviceCtrl/config.mk

@@ -0,0 +1,20 @@
+export DESIGN_NAME = I2cDeviceCtrl
+export TOP_DESIGN_NICKNAME = i2c-gpio-expander
+export DESIGN_NICKNAME = ${TOP_DESIGN_NICKNAME}_${DESIGN_NAME}
+export PLATFORM = ihp-sg13g2
+
+export VERILOG_FILES = $(DESIGN_HOME)/$(PLATFORM)/${TOP_DESIGN_NICKNAME}/I2cGpioExpander.v \
+
+export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(TOP_DESIGN_NICKNAME)/${DESIGN_NAME}/constraint.sdc
+
+export DIE_AREA = 0.0 0.0 147.84 147.42
+export CORE_AREA = 18.72 18.9 128.64 128.52
+
+export MAX_ROUTING_LAYER = TopMetal2
+
+export TNS_END_PERCENT = 100
+export PLACE_DENSITY = 0.75
+
+export CORNERS = slow typ fast
+
+export PDN_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(TOP_DESIGN_NICKNAME)/${DESIGN_NAME}/pdn.tcl

flow/designs/ihp-sg13g2/i2c-gpio-expander/I2cDeviceCtrl/constraint.sdc

@@ -0,0 +1,22 @@
+current_design I2cDeviceCtrl/I2cDeviceCtrl
+set_units -time ns -resistance kOhm -capacitance pF -voltage V -current uA
+set_max_fanout 8 [current_design]
+set_max_capacitance 0.5 [current_design]
+set_max_transition 3 [current_design]
+set_max_area 0
+
+create_clock [get_ports clock] -name clock -period 20.0 -waveform {0 10.0}
+set_ideal_network [get_ports clock]
+set_clock_uncertainty 0.15 [get_clocks clock]
+set_clock_transition 0.25 [get_clocks clock]
+set input_delay_value_clock 4.0
+set output_delay_value_clock 4.0
+set clk_indx_clock [lsearch [all_inputs] [get_port clock]]
+set all_inputs_wo_clk_rst_clock [lreplace [all_inputs] $clk_indx_clock $clk_indx_clock ""]
+set_input_delay $input_delay_value_clock -clock [get_clocks clock] $all_inputs_wo_clk_rst_clock
+set_output_delay $output_delay_value_clock -clock [get_clocks clock] [all_outputs]
+
+set_load -pin_load 5 [all_inputs]
+set_load -pin_load 5 [all_outputs]
+set_timing_derate -early 0.95
+set_timing_derate -late 1.05

flow/designs/ihp-sg13g2/i2c-gpio-expander/I2cDeviceCtrl/pdn.tcl

@@ -0,0 +1,34 @@
+# standard cells
+add_global_connection -net {VDD} -pin_pattern {^VDD$} -power
+add_global_connection -net {VDD} -pin_pattern {^VDDPE$}
+add_global_connection -net {VDD} -pin_pattern {^VDDCE$}
+add_global_connection -net {VSS} -pin_pattern {^VSS$} -ground
+add_global_connection -net {VSS} -pin_pattern {^VSSE$}
+
+# macros
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {VDD!} -power
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {VSS!} -ground
+add_global_connection -net {VDD} -inst_pattern {.*} -pin_pattern {^VDD$} -power
+add_global_connection -net {VSS} -inst_pattern {.*} -pin_pattern {^VSS$} -ground
+
+# padframe core power pins
+add_global_connection -net {VDD} -pin_pattern {^vdd$} -power
+add_global_connection -net {VSS} -pin_pattern {^vss$} -ground
+
+# padframe io power pins
+add_global_connection -net {IOVDD} -pin_pattern {^iovdd$} -power
+add_global_connection -net {IOVSS} -pin_pattern {^iovss$} -ground
+
+global_connect
+
+# core voltage domain
+set_voltage_domain -name {CORE} -power {VDD} -ground {VSS}
+
+# stdcell grid
+define_pdn_grid -name {grid} -voltage_domains {CORE}
+add_pdn_stripe -grid {grid} -layer {Metal1} -width {0.44} -pitch {7.56} -offset {0} -followpins -extend_to_core_ring
+add_pdn_ring -grid {grid} -layers {Metal3 Metal4} -widths {3.0} -spacings {2.0} -core_offsets {4.5} -connect_to_pads
+add_pdn_stripe -grid {grid} -layer {Metal3} -width {1.840} -pitch {75.6} -offset {37.8} -extend_to_core_ring
+add_pdn_stripe -grid {grid} -layer {Metal4} -width {1.840} -pitch {75.6} -offset {37.8} -extend_to_core_ring
+add_pdn_connect -grid {grid} -layers {Metal1 Metal3}
+add_pdn_connect -grid {grid} -layers {Metal3 Metal4}

flow/designs/ihp-sg13g2/i2c-gpio-expander/config.mk

@@ -9,7 +9,7 @@ export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/constraint.sdc
 export SEAL_GDS = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/sealring.gds.gz
 
 export DIE_AREA = 0.0 0.0 1050.0 1050.0
-export CORE_AREA = 425.28 427.16 631.2 630.24
+export CORE_AREA = 351.36 351.54 699.84 699.3
 
 export MAX_ROUTING_LAYER = TopMetal2
 
@@ -20,3 +20,5 @@ export CORNERS = slow fast
 
 export FOOTPRINT_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/pad.tcl
 export PDN_TCL = $(DESIGN_HOME)/$(PLATFORM)/$(DESIGN_NICKNAME)/pdn.tcl
+
+export BLOCKS = I2cDeviceCtrl