ipbus_package.vhd

library IEEE;
use IEEE.STD_LOGIC_1164.all;

package ipbus is

-- The signals going from master to slaves
    type ipb_wbus is
        record
            ipb_addr: std_logic_vector(31 downto 0);
        ipb_wdata: std_logic_vector(31 downto 0);
        ipb_strobe: std_logic;
        ipb_write: std_logic;
        end record;

    type ipb_wbus_array is array(natural range <>) of ipb_wbus;
     
-- The signals going from slaves to master   
    type ipb_rbus is
    record
            ipb_rdata: std_logic_vector(31 downto 0);
            ipb_ack: std_logic;
            ipb_err: std_logic;
    end record;

    type ipb_rbus_array is array(natural range <>) of ipb_rbus;
    
    constant IPB_RBUS_NULL: ipb_rbus := ((others => '0'), '0', '0');
    constant IPB_WBUS_NULL: ipb_wbus := ((others => '0'), (others => '0'), '0', '0');

-- For top-level generics
    
    type ipb_mac_cfg is (EXTERNAL, INTERNAL);
    type ipb_ip_cfg is (EXTERNAL, INTERNAL);

end ipbus;