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dineshannayyadineshannayya
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‎deps/timing-scripts/README.md

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# Timing scripts
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A set of scripts for rcx and sta for caravel top level
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## Dependencies
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- Docker
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## Prerequisites
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A set of exports are needed:
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```bash
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export CARAVEL_ROOT=${HOME}/caravel/
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export MCW_ROOT=${HOME}/caravel_mgmt_soc_litex/
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export CUP_ROOT=${HOME}/caravel_user_project/
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export TIMING_ROOT=${HOME}/timing-scripts/
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export PDK_ROOT=${HOME}/pdk/
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export PDK=sky130A
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export OPENLANE_IMAGE_NAME=efabless/openlane:4476a58407d670d251aa0be6a55e5391bb181c4e-amd64
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```
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python modules:
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- `pyverilog`
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- `click`
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## Usage
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### caravel_user_project
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1. After exporting the prerequisites, run:
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```
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make -f timing.mk list-rcx
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```
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You should get `rcx-user_project_wrapper` amongst others such as:
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```
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rcx-buff_flash_clkrst
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rcx-caravel
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rcx-caravel_clocking
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rcx-constant_block
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rcx-digital_pll
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rcx-gpio_control_block
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rcx-gpio_defaults_block
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rcx-gpio_logic_high
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rcx-gpio_signal_buffering
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rcx-gpio_signal_buffering_alt
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rcx-housekeeping
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rcx-mgmt_protect
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rcx-mprj2_logic_high
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rcx-mprj_logic_high
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rcx-spare_logic_block
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rcx-RAM256
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rcx-mgmt_core_wrapper
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rcx-user_proj_example
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rcx-user_project_wrapper
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```
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2. extract multicorner spefs for `user_project_wrapper` and any other blocks inside:
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```
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make -f timing.mk rcx-user_project_wrapper
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make -f timing.mk rcx-user_proj_example
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```
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3. generate spef mapping file for caravel_user_project:
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```
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python3 ./scripts/generate_spef_mapping -i ${CUP_ROOT}/verilog/gl/user_project_wrapper.v -o ${CUP_ROOT}/env/spef-mapping.tcl --project-root '$::env(CUP_ROOT)' --pdk-root ${PDK_ROOT} --pdk ${PDK}
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```
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4. run sta:
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```
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make -f timing.mk caravel-timing-typ
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make -f timing.mk caravel-timing-slow
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make -f timing.mk caravel-timing-fast
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```
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## Limitations
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- Makefile
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- Makefile
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- Assumes a fixed folder structure for the exported directories
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- Probably a lot of corner cases that weren't considered

‎deps/timing-scripts/env/caravel_spef_mapping-mpw2-calibre.tcl

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set spef_mapping(rstb_level) $::env(CARAVEL_ROOT)/spef/xres_buf.spef
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set spef_mapping(mgmt_buffers/powergood_check) $::env(CARAVEL_ROOT)/spef/mgmt_protect_hv.spef
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set spef_mapping(padframe) $::env(CARAVEL_ROOT)/spef/chip_io.spef
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set spef_mapping(mgmt_buffers/mprj2_logic_high_inst) $::env(CARAVEL_ROOT)/spef/mprj2_logic_high.spef
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set spef_mapping(mgmt_buffers/mprj_logic_high_inst) $::env(CARAVEL_ROOT)/spef/mprj_logic_high.spef
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#set spef_mapping(por) $::env(CARAVEL_ROOT)/spef/simple_por.spef
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# error in rcx extraction for the section/paragraph below
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# [ERROR ODB-0299] Via via3_320_320 has only 2 shapes and must have at least three.
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set spef_mapping(gpio_defaults_block_0) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_1803.spef
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set spef_mapping(gpio_defaults_block_1) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_1803.spef
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set spef_mapping(gpio_defaults_block_2) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
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set spef_mapping(gpio_defaults_block_3) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
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set spef_mapping(gpio_defaults_block_4) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
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set spef_mapping(gpio_defaults_block_10) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_11) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_12) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_13) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_14) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_15) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_16) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_17) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_18) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_19) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_20) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_21) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_22) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_23) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_24) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_25) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_26) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_27) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_28) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_29) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_30) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_31) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_32) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_33) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_34) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_35) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_36) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_37) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_5) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_6) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_7) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_8) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_defaults_block_9) $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
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set spef_mapping(gpio_control_bidir_1[0]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_bidir_1[1]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_bidir_2[0]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_bidir_2[1]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_bidir_2[2]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[0]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[10]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[1]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[2]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[3]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[4]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[5]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[6]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[7]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[8]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1[9]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[0]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[1]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[2]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[3]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[4]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_1a[5]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[0]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[10]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[11]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[12]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[13]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[14]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[15]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[1]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[2]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[3]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[4]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[5]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[6]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[7]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[8]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(gpio_control_in_2[9]) $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
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set spef_mapping(housekeeping) $::env(CARAVEL_ROOT)/spef/housekeeping.spef
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set spef_mapping(mgmt_buffers) $::env(CARAVEL_ROOT)/spef/mgmt_protect.spef
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set spef_mapping(pll) $::env(CARAVEL_ROOT)/spef/digital_pll.spef
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set spef_mapping(spare_logic[0]) $::env(CARAVEL_ROOT)/spef/spare_logic_block.spef
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set spef_mapping(spare_logic[1]) $::env(CARAVEL_ROOT)/spef/spare_logic_block.spef
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set spef_mapping(spare_logic[2]) $::env(CARAVEL_ROOT)/spef/spare_logic_block.spef
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set spef_mapping(spare_logic[3]) $::env(CARAVEL_ROOT)/spef/spare_logic_block.spef
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set spef_mapping(clocking) $::env(CARAVEL_ROOT)/spef/caravel_clocking.spef
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set spef_mapping(soc) $::env(MCW_ROOT)/spef/mgmt_core_wrapper.spef
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set spef_mapping(soc/DFFRAM_0) $::env(MCW_ROOT)/spef/DFFRAM.spef
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set spef_mapping(soc/core) $::env(MCW_ROOT)/spef/mgmt_core.spef

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