| Line 113... |
Line 113... |
.CLKFX(clk_s),
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.CLKFX(clk_s),
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.PSEN(1'b0),
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.PSEN(1'b0),
|
.RST(1'b0));
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.RST(1'b0));
|
|
|
//
|
//
|
// Generate active-high reset.
|
|
//
|
|
// Actually, we don't. Instead, let this board reset through
|
|
// the reconfiguration/power on process and we never use this
|
|
// wire.
|
|
//
|
|
/*
|
|
reg r_reset;
|
|
initial r_reset = 1'b1;
|
|
always @(posedge i_clk_12mhz)
|
|
r_reset <= 1'b0;
|
|
*/
|
|
assign reset_s = 1'b0;
|
|
|
|
|
|
//
|
|
// The UART serial interface
|
// The UART serial interface
|
//
|
//
|
// Perhaps this should be part of our simulation model as well.
|
// Perhaps this should be part of our simulation model as well.
|
// For historical reasons, internal to Gisselquist Technology,
|
// For historical reasons, internal to Gisselquist Technology,
|
// this has remained separate from the simulation, allowing the
|
// this has remained separate from the simulation, allowing the
|
| Line 143... |
Line 127... |
wire tx_busy;
|
wire tx_busy;
|
wire [29:0] uart_setup;
|
wire [29:0] uart_setup;
|
|
|
wire rx_break, rx_parity_err, rx_frame_err, rx_ck_uart, tx_break;
|
wire rx_break, rx_parity_err, rx_frame_err, rx_ck_uart, tx_break;
|
assign tx_break = 1'b0;
|
assign tx_break = 1'b0;
|
rxuart rcvuart(clk_s, reset_s, uart_setup,
|
rxuart rcvuart(clk_s, 1'b0, uart_setup,
|
i_uart, rx_stb, rx_data,
|
i_uart, rx_stb, rx_data,
|
rx_break, rx_parity_err, rx_frame_err, rx_ck_uart);
|
rx_break, rx_parity_err, rx_frame_err, rx_ck_uart);
|
txuart tcvuart(clk_s, reset_s, uart_setup, tx_break, tx_stb, tx_data,
|
txuart tcvuart(clk_s, reset_s, uart_setup, tx_break, tx_stb, tx_data,
|
o_uart, tx_busy);
|
o_uart, tx_busy);
|
|
|
| Line 163... |
Line 147... |
//
|
//
|
wire [3:0] qspi_dat;
|
wire [3:0] qspi_dat;
|
wire [1:0] qspi_bmod;
|
wire [1:0] qspi_bmod;
|
wire [15:0] w_gpio;
|
wire [15:0] w_gpio;
|
|
|
busmaster masterbus(clk_s, reset_s,
|
busmaster masterbus(clk_s, 1'b0,
|
// External ... bus control (if enabled)
|
// External ... bus control (if enabled)
|
rx_stb, rx_data, tx_stb, tx_data, tx_busy, w_uart_cts,
|
rx_stb, rx_data, tx_stb, tx_data, tx_busy, w_uart_cts,
|
// SPI/SD-card flash
|
// SPI/SD-card flash
|
o_qspi_cs_n, o_qspi_sck, qspi_dat, io_qspi_dat, qspi_bmod,
|
o_qspi_cs_n, o_qspi_sck, qspi_dat, io_qspi_dat, qspi_bmod,
|
// Board lights and switches
|
// Board lights and switches
|
