187 lines
7.9 KiB
Coq
187 lines
7.9 KiB
Coq
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// ***************************************************************************
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// ***************************************************************************
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// Copyright 2011(c) Analog Devices, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// - Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// - Neither the name of Analog Devices, Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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// - The use of this software may or may not infringe the patent rights
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// of one or more patent holders. This license does not release you
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// from the requirement that you obtain separate licenses from these
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// patent holders to use this software.
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// - Use of the software either in source or binary form, must be run
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// on or directly connected to an Analog Devices Inc. component.
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//
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// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE ARE DISCLAIMED.
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//
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// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
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// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ps/1ps
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module ad_interrupts (
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// interrupt lines
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input timer_irq,
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input eth_irq,
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input eth_dma_mm2s_irq,
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input eth_dma_s2mm_irq,
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input uart_irq,
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input gpio_lcd_irq,
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input gpio_sw_irq,
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input spdif_dma_irq,
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input hdmi_dma_irq,
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input iic_irq,
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input dev0_dma_irq,
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input dev1_dma_irq,
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input dev2_dma_irq,
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input dev3_dma_irq,
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input dev4_dma_irq,
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input dev5_dma_irq,
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input spi0_irq,
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input spi1_irq,
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input spi2_irq,
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input spi3_irq,
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input gpio0_irq,
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input gpio1_irq,
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input gpio2_irq,
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input gpio3_irq,
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// concatanated interrupt outputs
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output [31:0] mb_axi_intr,
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output [15:0] ps7_irq_f2p
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);
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localparam ZYNQ = 1;
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localparam MBLAZE = 0;
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parameter C_PROC_TYPE = ZYNQ;
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parameter C_DEVICE_NR = 0;
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parameter C_XSPI_NR = 0;
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parameter C_XGPIO_NR = 0;
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localparam IRQ_F2P_WIDTH = 16;
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localparam IRQ_NUMBER_ZQ = 2 + C_DEVICE_NR + C_XSPI_NR + C_XGPIO_NR;
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localparam IRQ_NUMBER_MB = 10 + C_DEVICE_NR + C_XSPI_NR + C_XGPIO_NR;
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localparam DEVICE_OFFSET_ZQ = 2;
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localparam XSPI_OFFSET_ZQ = 2 + C_DEVICE_NR;
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localparam XGPIO_OFFSET_ZQ = 2 + C_DEVICE_NR + C_XSPI_NR;
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localparam DEVICE_OFFSET_MB = 10;
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localparam XSPI_OFFSET_MB = 10 + C_DEVICE_NR;
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localparam XGPIO_OFFSET_MB = 10 + C_DEVICE_NR + C_XSPI_NR;
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wire [31:0] mb_axi_intr_s;
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wire [15:0] ps7_irq_f2p_s;
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wire [15:0] ps7_irq_f2p_inv_s;
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// ==========================================================================
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// IRQ assignments just for MicroBlaze devices
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// ==========================================================================
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assign mb_axi_intr_s[0] = timer_irq;
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assign mb_axi_intr_s[1] = eth_irq;
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assign mb_axi_intr_s[2] = eth_dma_mm2s_irq;
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assign mb_axi_intr_s[3] = eth_dma_s2mm_irq;
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assign mb_axi_intr_s[4] = uart_irq;
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assign mb_axi_intr_s[5] = gpio_lcd_irq;
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assign mb_axi_intr_s[6] = gpio_sw_irq;
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assign mb_axi_intr_s[7] = spdif_dma_irq;
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// ==========================================================================
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// Common IRQ assignments
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// ==========================================================================
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assign mb_axi_intr_s[8] = hdmi_dma_irq;
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assign mb_axi_intr_s[9] = iic_irq;
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assign ps7_irq_f2p_s[0] = hdmi_dma_irq;
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assign ps7_irq_f2p_s[1] = iic_irq;
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// Device's DMA interrupts
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genvar i;
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generate
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for(i=0; i < C_DEVICE_NR; i=i+1) begin : DEVICE_IRQ
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assign mb_axi_intr_s[DEVICE_OFFSET_MB+i] = (i == 0) ? dev0_dma_irq :
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(i == 1) ? dev1_dma_irq :
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(i == 2) ? dev2_dma_irq :
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(i == 3) ? dev3_dma_irq :
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(i == 4) ? dev4_dma_irq :
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(i == 5) ? dev5_dma_irq : 1'b0;
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assign ps7_irq_f2p_s[DEVICE_OFFSET_ZQ+i] = (i == 0) ? dev0_dma_irq :
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(i == 1) ? dev1_dma_irq :
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(i == 2) ? dev2_dma_irq :
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(i == 3) ? dev3_dma_irq :
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(i == 4) ? dev4_dma_irq :
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(i == 5) ? dev5_dma_irq : 1'b0;
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end
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endgenerate
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// Additional external SPI interrupts
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generate
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for(i=0; i < C_XSPI_NR; i=i+1) begin : XSPI_NR
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assign mb_axi_intr_s[XSPI_OFFSET_MB+i] = (i == 0) ? spi0_irq :
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(i == 1) ? spi1_irq :
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(i == 2) ? spi2_irq :
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(i == 3) ? spi3_irq : 1'b0;
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assign ps7_irq_f2p_s[XSPI_OFFSET_ZQ+i] = (i == 0) ? spi0_irq :
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(i == 1) ? spi1_irq :
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(i == 2) ? spi2_irq :
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(i == 3) ? spi3_irq : 1'b0;
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end
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endgenerate
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// Additional external GPIO interrupts
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generate
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for(i=0; i < C_XGPIO_NR; i=i+1) begin : XGPIO_IRQ
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assign mb_axi_intr_s[XGPIO_OFFSET_MB+i] = (i == 0) ? gpio0_irq :
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(i == 1) ? gpio1_irq :
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(i == 2) ? gpio2_irq :
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(i == 3) ? gpio3_irq : 1'b0;
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assign ps7_irq_f2p_s[XGPIO_OFFSET_ZQ+i] = (i == 0) ? gpio0_irq :
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(i == 1) ? gpio1_irq :
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(i == 2) ? gpio2_irq :
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(i == 3) ? gpio3_irq : 1'b0;
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end
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endgenerate
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assign mb_axi_intr_s[31:IRQ_NUMBER_MB] = 'b0;
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assign ps7_irq_f2p_s[15:IRQ_NUMBER_ZQ] = 'b0;
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// output logic
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// ZYNQ interrupts are assigned from top to down
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generate
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for(i=0; i < IRQ_F2P_WIDTH; i=i+1) begin : REVERSE_IRQ_ZYNQ
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assign ps7_irq_f2p_inv_s[i] = ps7_irq_f2p_s[(IRQ_F2P_WIDTH-1)-i];
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end
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endgenerate
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assign mb_axi_intr = (C_PROC_TYPE == MBLAZE) ? mb_axi_intr_s : 32'b0;
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assign ps7_irq_f2p = (C_PROC_TYPE == ZYNQ) ? ps7_irq_f2p_inv_s : 16'b0;
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endmodule
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