diff options
Diffstat (limited to 'fpga/gpmc/xilinx/common/main.v')
| -rw-r--r-- | fpga/gpmc/xilinx/common/main.v | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fpga/gpmc/xilinx/common/main.v b/fpga/gpmc/xilinx/common/main.v index cd811fa..bf6e023 100644 --- a/fpga/gpmc/xilinx/common/main.v +++ b/fpga/gpmc/xilinx/common/main.v @@ -58,10 +58,15 @@ module main( output reg sixteen_bit_io_mode, input [3:0] sseg_mux, - input [7:0] sseg_data); + input [7:0] sseg_data, + + output userdevice_reset); parameter RAM_ADDR_BITS = 15; + reg userdevice_reset_reg; + assign userdevice_reset = ~userdevice_reset_reg; + assign host_serial_txd = userlogic_serial_rxd; assign userlogic_serial_txd = host_serial_rxd; @@ -394,6 +399,7 @@ module main( // 0x0b: Number of address bits of DSP RAM (read only) // 0x0c: User device control // Bit 0: User logic reset + // Bit 1: User device reset // 0x20 - 0x3f: LCD data area // 0x4000 - 0x7fff: Logic analyzer data area (read only) if (gpmc_wen_reg == 1'b0) begin @@ -420,6 +426,7 @@ module main( end 12: begin userlogic_reset = gpmc_data_reg[0]; + userdevice_reset_reg = gpmc_data_reg[1]; end default: begin // Do nothing @@ -503,6 +510,7 @@ module main( end 12: begin gpmc_data_out[0] = userlogic_reset; + gpmc_data_out[1] = userdevice_reset_reg; gpmc_data_out[7:1] = 0; end default: begin |