2014-10-01 18:50:48 +00:00
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# sys bram (use only when dma is not capable of keeping up).
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# generic fifo interface - existence is oblivious to software.
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proc p_sys_dmafifo {p_name m_name m_width} {
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global ad_hdl_dir
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set p_instance [get_bd_cells $p_name]
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set c_instance [current_bd_instance .]
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current_bd_instance $p_instance
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set m_instance [create_bd_cell -type hier $m_name]
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current_bd_instance $m_instance
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create_bd_pin -dir I -type clk axi_clk
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create_bd_pin -dir I axi_xfer_req
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create_bd_pin -dir O -from 4 -to 0 axi_xfer_status
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create_bd_pin -dir I adc_rst
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create_bd_pin -dir I -type clk adc_clk
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create_bd_pin -dir I adc_wr
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create_bd_pin -dir O adc_wovf
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create_bd_pin -dir I -from [expr ($m_width-1)] -to 0 adc_wdata
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create_bd_pin -dir I dma_rstn
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create_bd_pin -dir I -type clk dma_clk
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2014-10-15 18:45:08 +00:00
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create_bd_pin -dir O dma_wvalid
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create_bd_pin -dir I dma_wready
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2014-10-01 18:50:48 +00:00
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create_bd_pin -dir I dma_wovf
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create_bd_pin -dir O -from 63 -to 0 dma_wdata
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2014-10-30 15:10:36 +00:00
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set axi_fifo2f [create_bd_cell -type ip -vlnv analog.com:user:axi_fifo2f:1.0 axi_fifo2f]
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2014-10-30 19:25:06 +00:00
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set_property -dict [list CONFIG.ADC_ADDR_WIDTH {8}] $axi_fifo2f
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2014-10-30 15:10:36 +00:00
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set_property -dict [list CONFIG.ADC_DATA_WIDTH $m_width] $axi_fifo2f
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2014-10-30 19:25:06 +00:00
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set_property -dict [list CONFIG.DMA_ADDR_WIDTH {10}] $axi_fifo2f
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2014-10-30 15:10:36 +00:00
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set_property -dict [list CONFIG.DMA_DATA_WIDTH {64}] $axi_fifo2f
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set_property -dict [list CONFIG.DMA_READY_ENABLE {1}] $axi_fifo2f
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2014-10-30 19:25:06 +00:00
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connect_bd_net -net adc_clk [get_bd_pins adc_clk] [get_bd_pins axi_fifo2f/adc_clk]
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2014-10-30 15:10:36 +00:00
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connect_bd_net -net adc_rst [get_bd_pins adc_rst] [get_bd_pins axi_fifo2f/adc_rst]
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connect_bd_net -net adc_wr [get_bd_pins adc_wr] [get_bd_pins axi_fifo2f/adc_wr]
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connect_bd_net -net adc_wdata [get_bd_pins adc_wdata] [get_bd_pins axi_fifo2f/adc_wdata]
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connect_bd_net -net adc_wovf [get_bd_pins adc_wovf] [get_bd_pins axi_fifo2f/adc_wovf]
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2014-10-30 19:25:06 +00:00
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connect_bd_net -net dma_rstn [get_bd_pins dma_rstn] [get_bd_pins axi_fifo2f/dma_rstn]
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connect_bd_net -net dma_clk [get_bd_pins dma_clk] [get_bd_pins axi_fifo2f/dma_clk]
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2014-10-30 15:10:36 +00:00
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connect_bd_net -net dma_wvalid [get_bd_pins dma_wvalid] [get_bd_pins axi_fifo2f/dma_wr]
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connect_bd_net -net dma_wdata [get_bd_pins dma_wdata] [get_bd_pins axi_fifo2f/dma_wdata]
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connect_bd_net -net dma_wready [get_bd_pins dma_wready] [get_bd_pins axi_fifo2f/dma_wready]
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connect_bd_net -net dma_wovf [get_bd_pins dma_wovf] [get_bd_pins axi_fifo2f/dma_wovf]
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connect_bd_net -net axi_xfer_req [get_bd_pins axi_xfer_req] [get_bd_pins axi_fifo2f/dma_xfer_req]
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connect_bd_net -net axi_xfer_status [get_bd_pins axi_xfer_status] [get_bd_pins axi_fifo2f/dma_xfer_status]
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2014-10-01 18:50:48 +00:00
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current_bd_instance $c_instance
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}
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