Subversion Repositories riscv_vhdl

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--! @file

--! @copyright  Copyright 2017 GNSS Sensor Ltd. All right reserved.

--! @author     Sergey Khabarov - sergeykhbr@gmail.com

--! @brief      Definition of the config_common package.

--! @details    This file defines constants and the system paramters that are

--!             valid for any ASIC, FPGA and Simulation projects.

------------------------------------------------------------------------------

--! @defgroup config_common_group SoC configuration constants

--! @ingroup generic_group

--! @details Target independible constants that are the same for FPGA, ASIC 

--!          and behaviour simulation.

--! @{

--!

--! Standard library

library IEEE;

--! Standard signal definitions

use IEEE.STD_LOGIC_1164.ALL;

--! Technology definition library

library techmap;

--! Generic IDs constants import

use techmap.gencomp.all;

library work;

use work.config_target.all;

--! @brief   Techology independent configuration settings.

--! @details This file defines configuration that are valid for all supported

--!          targets: behaviour simulation, FPGAs or ASICs.

package config_common is

--! @brief   Disable/Enable River CPU instance.

--! @details When enabled platform will instantiate processor named as

--!          "RIVER" entirely written on VHDL. 

--!          Otherwise "Rocket" will be used (developed by Berkley

--!          team).

--! @warning DSU available only for \e "RIVER" processor.

constant CFG_COMMON_RIVER_CPU_ENABLE : boolean := true;

--! @brief   HEX-image for the initialization of the Boot ROM.

--! @details This file is used by \e inferred ROM implementation.

constant CFG_SIM_BOOTROM_HEX : string :=

              CFG_TOPDIR & "examples/boot/linuxbuild/bin/bootimage.hex";

--! @brief   HEX-image for the initialization of the FwImage ROM.

--! @details This file is used by \e inferred ROM implementation.

constant CFG_SIM_FWIMAGE_HEX : string :=

                CFG_TOPDIR & "examples/zephyr/gcc711/zephyr.hex";

--! @brief Hardware SoC Identificator.

--!

--! @details Read Only unique platform identificator that could be

--!          read by firmware from the Plug'n'Play support module.

constant CFG_HW_ID : std_logic_vector(31 downto 0) := X"20180514";

--! @brief Enabling Ethernet MAC interface.

--! @details By default MAC module enables support of the debug feature EDCL.

constant CFG_ETHERNET_ENABLE : boolean := true;

--! @brief Enable/Disable Debug Unit 

constant CFG_DSU_ENABLE : boolean := true;

end;

--! @}

--!