|  | # Copyright lowRISC contributors. | 
|  | # Licensed under the Apache License, Version 2.0, see LICENSE for details. | 
|  | # SPDX-License-Identifier: Apache-2.0 | 
|  | # | 
|  | # Meridian RDC ENV | 
|  | # | 
|  | # This .env file defines additional constraints on top of | 
|  | # chip_earlgrey_asic.sdc. This file adds constraints below: | 
|  | # | 
|  | #   1. Reset groups | 
|  | #   2. Set Constant | 
|  |  | 
|  | # BROUT to 0 for reset testing | 
|  | # BROUT OR-ed with POR_N inside AST. Need to tie to 0 for POR_N to take effect | 
|  | set_constant -value 1'b0 u_ast.rglssm_brout | 
|  |  | 
|  | # Set MuBi4False(4'h9) scanmode | 
|  | set_constant -value 4'h9 scanmode | 
|  |  | 
|  | # Strap to FuncSel(2'b00) | 
|  | set_constant -value 2'b00 top_earlgrey.u_pinmux_aon.u_pinmux_strap_sampling.tap_strap_q | 
|  |  | 
|  | # Define POK as reset | 
|  | create_reset -interval 10 -waveform AON_CLK u_ast.vcaon_pok |