diff options
Diffstat (limited to 'zpu/hdl/zealot/helpers/zpu_med1.vhdl')
| -rw-r--r-- | zpu/hdl/zealot/helpers/zpu_med1.vhdl | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/zpu/hdl/zealot/helpers/zpu_med1.vhdl b/zpu/hdl/zealot/helpers/zpu_med1.vhdl index fb19e0c..a0cbcb2 100644 --- a/zpu/hdl/zealot/helpers/zpu_med1.vhdl +++ b/zpu/hdl/zealot/helpers/zpu_med1.vhdl @@ -67,7 +67,11 @@ entity ZPU_Med1 is break_o : out std_logic; -- Break executed dbg_o : out zpu_dbgo_t; -- Debug info rs232_tx_o : out std_logic; -- UART Tx - rs232_rx_i : in std_logic); -- UART Rx + rs232_rx_i : in std_logic; -- UART Rx + gpio_in : in std_logic_vector(31 downto 0); + gpio_out : out std_logic_vector(31 downto 0); + gpio_dir : out std_logic_vector(31 downto 0) -- 1 = in, 0 = out + ); end entity ZPU_Med1; architecture Structural of ZPU_Med1 is @@ -114,12 +118,25 @@ begin -- I/O: Phi layout io_map: ZPUPhiIO generic map( - BRDIVISOR => BRDIVISOR, LOG_FILE => "zpu_med1_io.log") + BRDIVISOR => BRDIVISOR, + LOG_FILE => "zpu_med1_io.log" + ) port map( - clk_i => clk_i, reset_i => rst_i, busy_o => io_busy, we_i => io_we, - re_i => io_re, data_i => mem_write, data_o => io_read, - addr_i => io_addr, rs232_rx_i => rs232_rx_i, rs232_tx_o => rs232_tx_o, - br_clk_i => '1'); + clk_i => clk_i, + reset_i => rst_i, + busy_o => io_busy, + we_i => io_we, + re_i => io_re, + data_i => mem_write, + data_o => io_read, + addr_i => io_addr, + rs232_rx_i => rs232_rx_i, + rs232_tx_o => rs232_tx_o, + br_clk_i => '1', + gpio_in => gpio_in, + gpio_out => gpio_out, + gpio_dir => gpio_dir + ); io_addr <= mem_addr(4 downto 2); -- Here we decode 0x8xxxx as I/O and not just 0x80A00xx -- Note: We define the address space as 256 kB, so writing to 0x80A00xx |
