URL
https://opencores.org/ocsvn/scarts/scarts/trunk
Subversion Repositories scarts
[/] [scarts/] [trunk/] [processor/] [VHDL/] [common/] [scarts_pkg.vhd] - Rev 17
Go to most recent revision | Compare with Previous | Blame | View Log
----------------------------------------------------------------------- -- This file is part of SCARTS. -- -- SCARTS is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- (at your option) any later version. -- -- SCARTS is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with SCARTS. If not, see <http://www.gnu.org/licenses/>. ----------------------------------------------------------------------- library ieee; use ieee.std_logic_1164.all; use work.scarts_amba_pkg.all; --library grlib; --use grlib.amba.all; package scarts_pkg is -- supported technologies constant NTECH : natural := 2; type tech_type is array (0 to NTECH) of natural; constant NO_TARGET : natural := 0; constant XILINX : natural := 1; constant ALTERA : natural := 2; type scarts_conf_type is record -- -- Specify the target technology -- tech : natural range 0 to NTECH; -- -- word_size == 1 => 16 bit configuration -- -- word_size == 2 => 32 bit configuration -- word_size : natural range 16 to 32; -- -- Defines the size of the boot rom -- Size is 2**boot_rom_size instructions -- boot_rom_size : natural range 0 to 16; -- -- Defines the size of the instruction memory -- Size is 2**instr_ram_cfg instructions -- Range for 16 bit version is only 5 to 16 -- instr_ram_size : natural range 5 to 32; -- -- Defines the size of the data memory -- Size is 2**data_ram_size bytes -- Range for 16 bit version is only 5 to 16 -- data_ram_size : natural range 5 to 32; -- -- Defines if the instruction memory and -- programmer are used -- use_iram : boolean; -- -- Defines if the AMBA modules should be loaded -- use_amba : boolean; -- -- Defines size of AMBA shared memory (2**amba_shm_size bytes) -- amba_shm_size : natural; -- -- Defines word size for AMBA bus -- amba_word_size : natural; -- -- Configures the SCARTS-Core, so that it can execute the GDB remote-stub. -- The Boot-ROM is always visible and mapped directly after the instruction-ram. -- Execution does not start at Instruction-Adress 0x0, but at the first Boot-ROM instruction. -- gdb_mode : natural range 0 to 1; -- -- Defines the address where the boot-rom is mapped to. -- Boot-Rom starts at 2**bootrom_base_address. -- Range for 16 bit version is only 5 to 15 -- bootrom_base_address : natural range 5 to 31; end record; type scarts_in_type is record hold : std_ulogic; interruptin : std_logic_vector(7 downto 0); data : std_logic_vector(31 downto 0); end record; type scarts_out_type is record reset : std_ulogic; data : std_logic_vector(31 downto 0); addr : std_logic_vector(14 downto 0); byte_en : std_logic_vector(3 downto 0); write_en : std_ulogic; extsel : std_ulogic; cpu_halt : std_ulogic; end record; type debug_if_out_type is record D_TxD : std_ulogic; end record; type debug_if_in_type is record D_RxD : std_ulogic; end record; -- -- Scarts component declaration -- component scarts is generic ( CONF : scarts_conf_type); port ( clk : in std_ulogic; extrst : in std_ulogic; sysrst : out std_ulogic; --Extensiom Module Interface scarts_i : in scarts_in_type; scarts_o : out scarts_out_type; -- AMBA Interface ahbmi : in ahb_master_in_type; ahbmo : out ahb_master_out_type; -- ahbsl2sp : in ahb_slv_out_vector_type(NAHBSLV-1 downto 1); -- ahbsp2sl : out ahb_slv_in_type; -- apbsl2sp : in apb_slv_out_vector; -- apbsp2sl : out apb_slv_in_type; -- Debug Interface debugi_if : IN debug_if_in_type; debugo_if : OUT debug_if_out_type); end component scarts; -- -- Declarations for extension modules -- type module_in_type is record reset : std_ulogic; write_en : std_ulogic; byte_en : std_logic_vector(3 downto 0); data : std_logic_vector(31 downto 0); addr : std_logic_vector(14 downto 0); end record; type module_out_type is record data : std_logic_vector(31 downto 0); intreq : std_ulogic; end record; constant MODULE_OUT_VOID : module_out_type := ((others => '0'), '0'); constant RST_ACT : std_ulogic := '0'; constant EXT_SEL : std_ulogic := '1'; constant STATUSREG : integer := 0; constant CONFIGREG : integer := 2; constant DATA0 : integer := 2; constant DATA1 : integer := 3; constant DATA2 : integer := 4; constant DATA3 : integer := 5; constant DATA4 : integer := 6; constant DATA5 : integer := 7; -- Status Register Flags constant STA_LOOR : integer := 7; constant STA_RESH : integer := 6; constant STA_RESL : integer := 5; constant STA_FSS : integer := 4; constant STA_BUSY : integer := 3; constant STA_ERR : integer := 2; constant STA_RDY : integer := 1; constant STA_INT : integer := 0; -- Control Register Flags constant CONF_LOOW : integer := 7; constant CONF_RESH : integer := 6; constant CONF_RESL : integer := 5; constant CONF_EFSS : integer := 4; constant CONF_OUTD : integer := 3; constant CONF_SRES : integer := 2; constant CONF_ID : integer := 1; constant CONF_INTA : integer := 0; constant MODULE_ID : std_logic_vector(15 downto 0) := "0000000000000000"; constant MODULE_VER : std_logic_vector(15 downto 0) := "0000000000000000"; constant CONF_PREXE : integer := 7; constant CONF_INSTRSRC : integer := 0; constant CONF_CLR : integer := 1; end scarts_pkg;
Go to most recent revision | Compare with Previous | Blame | View Log