52 lines
2.0 KiB
VHDL
52 lines
2.0 KiB
VHDL
-- -------------------------------------------------------------------------- --
|
|
-- TRASHERNET SoC - A Trashy Ethernet SoC for FPGAs --
|
|
-- -------------------------------------------------------------------------- --
|
|
-- TODO
|
|
-- -------------------------------------------------------------------------- --
|
|
-- Author : Markus Koch <markus@notsyncing.net>
|
|
-- Contributors : None
|
|
-- License : Mozilla Public License (MPL) Version 2
|
|
-- -------------------------------------------------------------------------- --
|
|
|
|
library ieee;
|
|
use ieee.std_logic_1164.all;
|
|
use ieee.numeric_std.all;
|
|
|
|
package wishbone_pkg is
|
|
constant WISHBONE_ADDRESS_WIDTH : integer := 32;
|
|
constant WISHBONE_DATA_WIDTH : integer := 32;
|
|
|
|
subtype wishbone_address is std_logic_vector(WISHBONE_ADDRESS_WIDTH - 1 downto 0);
|
|
subtype wishbone_data is std_logic_vector(WISHBONE_DATA_WIDTH - 1 downto 0);
|
|
subtype wishbone_byte_select is std_logic_vector((WISHBONE_ADDRESS_WIDTH / 8) - 1 downto 0);
|
|
subtype wishbone_cycle_type is std_logic_vector(2 downto 0);
|
|
subtype wishbone_burst_type is std_logic_vector(1 downto 0);
|
|
|
|
type wishbone_master_out is record
|
|
cyc : std_logic;
|
|
stb : std_logic;
|
|
adr : wishbone_address;
|
|
sel : wishbone_byte_select;
|
|
we : std_logic;
|
|
dat : wishbone_data;
|
|
end record wishbone_master_out;
|
|
subtype wishbone_slave_in is wishbone_master_out;
|
|
|
|
type wishbone_slave_out is record
|
|
ack : std_logic;
|
|
err : std_logic;
|
|
rty : std_logic;
|
|
stall : std_logic;
|
|
dat : wishbone_data;
|
|
end record wishbone_slave_out;
|
|
subtype wishbone_master_in is wishbone_slave_out;
|
|
|
|
type wishbone_master_out_vector is array (natural range <>) of wishbone_master_out;
|
|
type wishbone_slave_out_vector is array (natural range <>) of wishbone_slave_out;
|
|
subtype wishbone_slave_in_vector is wishbone_master_out_vector;
|
|
subtype wishbone_master_in_vector is wishbone_slave_out_vector;
|
|
|
|
type wishbone_address_vector is array (natural range <>) of wishbone_address;
|
|
type wishbone_data_vector is array (natural range <>) of wishbone_data;
|
|
end wishbone_pkg;
|