connecting new modules for membridge to top module and test fixture (890bad1c) · Commits · Elphel / x393

axi/membridge.v

+1 −4

Original line number	Diff line number	Diff line
		@@ -111,7 +111,7 @@ module membridge#(
		output afi_rready,
		input [ 5:0] afi_rid, // @SuppressThisWarning VEditor unused
		input afi_rlast, // @SuppressThisWarning VEditor unused
		input [ 2:0] afi_rresp, // @SuppressThisWarning VEditor unused
		input [ 1:0] afi_rresp, // @SuppressThisWarning VEditor unused
		// PL extra (non-AXI) signals
		input [ 7:0] afi_rcount,
		input [ 2:0] afi_racount,
		@@ -558,7 +558,6 @@ module membridge#(
		.start (status_start) // input
		);


		// Port 1rd (read DDR to AFI) buffer, linear
		mcntrl_buf_rd #(
		.LOG2WIDTH_RD(6) // 64 bit external interface
		@@ -594,7 +593,5 @@ module membridge#(
		.data_out (buf_rdata) // output[63:0]
		);



		endmodule

includes/x393_parameters.vh

+13 −10

Original line number	Diff line number	Diff line
		@@ -23,8 +23,8 @@
		parameter MCONTR_CMD_WR_ADDR = 'h0000, // AXI write to command sequence memory
		parameter MCONTR_BUF0_RD_ADDR = 'h0400, // AXI read address from buffer 0 (PS sequence, memory read)
		parameter MCONTR_BUF0_WR_ADDR = 'h0400, // AXI write address to buffer 0 (PS sequence, memory write)
		parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read)
		parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write)
		// parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read) // not used - replaced with membridge
		// parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write) // not used - replaced with membridge
		parameter MCONTR_BUF2_RD_ADDR = 'h0c00, // AXI read address from buffer 2 (PL sequence, tiles, memory read)
		parameter MCONTR_BUF2_WR_ADDR = 'h0c00, // AXI write address to buffer 2 (PL sequence, tiles, memory write)
		parameter MCONTR_BUF3_RD_ADDR = 'h1000, // AXI read address from buffer 3 (PL sequence, scanline, memory read)
		@@ -246,17 +246,20 @@
		parameter MCNTRL_TEST01_STATUS_REG_CHN3_ADDR= 'h3e, // status/readback register for channel 4
		parameter MCNTRL_TEST01_STATUS_REG_CHN4_ADDR= 'h3f, // status/readback register for channel 4

		// axi_hp_clk_i parameters
		parameter CLKFBOUT_MULT_AXIHP = 18,
		parameter CLKFBOUT_DIV_AXIHP = 6,

		// membridge module parameters
		parameter MEMBRIDGE_ADDR= 'h200,
		parameter MEMBRIDGE_MASK= 'h3f0,
		parameter MEMBRIDGE_CTRL= 'h0,
		parameter MEMBRIDGE_CTRL= 'h0, // bit 0 - enable, bits[2:1]: 01 - start, 11 - start and reset address
		parameter MEMBRIDGE_STATUS_CNTRL= 'h1,
		parameter MEMBRIDGE_RD_LOADDR64= 'h2,
		parameter MEMBRIDGE_RD_RUNADDR64= 'h3,
		parameter MEMBRIDGE_RD_LEN64= 'h5,
		parameter MEMBRIDGE_WR_LOADDR64= 'h2,
		parameter MEMBRIDGE_WR_RUNADDR64= 'h3,
		parameter MEMBRIDGE_WR_LEN64= 'h5,
		parameter MEMBRIDGE_LO_ADDR64= 'h2, // low address of the system memory, in 64-bit words (<<3 to get byte address)
		parameter MEMBRIDGE_SIZE64= 'h3, // size of the system memory range (access will roll over to lo_addr
		parameter MEMBRIDGE_START64= 'h4, // start address relative to lo_addr
		parameter MEMBRIDGE_LEN64= 'h5, // full length of transfer in 64-bit words
		parameter MEMBRIDGE_WIDTH64= 'h6, // frame width in 64-bit words (partial last page in each line)
		parameter MEMBRIDGE_STATUS_REG= 'h3b,

		parameter RSEL= 1'b1, // late/early READ commands (to adjust timing by 1 SDCLK period)

memctrl/mcntrl393.v

+51 −32

Original line number	Diff line number	Diff line
		@@ -27,8 +27,8 @@ module mcntrl393 #(
		parameter MCONTR_CMD_WR_ADDR = 'h0000, // AXI write to command sequence memory
		parameter MCONTR_BUF0_RD_ADDR = 'h0400, // AXI read address from buffer 0 (PS sequence, memory read)
		parameter MCONTR_BUF0_WR_ADDR = 'h0400, // AXI write address to buffer 0 (PS sequence, memory write)
		parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read)
		parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write)
		// parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read) // not used - replaced with membridge
		// parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write) // not used - replaced with membridge
		parameter MCONTR_BUF2_RD_ADDR = 'h0c00, // AXI read address from buffer 2 (PL sequence, tiles, memory read)
		parameter MCONTR_BUF2_WR_ADDR = 'h0c00, // AXI write address to buffer 2 (PL sequence, tiles, memory write)
		parameter MCONTR_BUF3_RD_ADDR = 'h1000, // AXI read address from buffer 3 (PL sequence, scanline, memory read)
		@@ -262,16 +262,34 @@ module mcntrl393 #(
		// wire [31:0] port0_rdata; //
		// wire [31:0] status_rdata; //

		// Channels 2 and 3 control signals
		// TODO: move line_unfinished and suspend to internals of this module (and control comparator modes)
		// Channel 1 - AFI read/write to system memory with scanline linear mode
		input frame_start_chn1, // resets page, x,y, and initiates transfer requests (in write mode will wait for next_page)
		input next_page_chn1, // page was read/written from/to 4*1kB on-chip buffer
		output cmd_wrmem_chn1, // channel1 in write mode
		output page_ready_chn1, // == xfer_done, connect externally \| Single-cycle pulse indicating that a page was read/written from/to DDR3 memory
		output frame_done_chn1, // single-cycle pulse when the full frame (window) was transferred to/from DDR3 memory
		// optional I/O for channel synchronization
		output [FRAME_HEIGHT_BITS-1:0] line_unfinished_chn1, // number of the current (ufinished ) line, REALATIVE TO FRAME, NOT WINDOW?.
		input suspend_chn1, // suspend transfers (from external line number comparator)

		// chn1 buffer interface, DDR3 memory read
		output xfer_reset_page1_rd, // input
		output buf_wpage_nxt_chn1, // input
		output buf_wr_chn1, // input
		output [63:0] buf_wdata_chn1,

		// chn1 buffer interface, DDR3 memory write
		output xfer_reset_page1_wr, // input @ posedge mclk
		output rpage_nxt_chn1,
		output buf_rd_chn1,
		input [63:0] buf_rdata_chn1,





		// Channels 2 and 3 control signals
		input frame_start_chn2, // resets page, x,y, and initiates transfer requests (in write mode will wait for next_page)
		input next_page_chn2, // page was read/written from/to 4*1kB on-chip buffer
		output page_ready_chn2, // == xfer_done, connect externally \| Single-cycle pulse indicating that a page was read/written from/to DDR3 memory
		@@ -359,13 +377,15 @@ module mcntrl393 #(
		wire channel_pgm_en1;
		wire seq_done1;
		wire page_nxt_chn1;
		// routed outside to membredge module
		/*
		wire buf_wr_chn1;
		wire buf_wpage_nxt_chn1;
		wire [63:0] buf_wdata_chn1;
		wire buf_rd_chn1;
		wire rpage_nxt_chn1;
		wire [63:0] buf_rdata_chn1;

		*/
		wire want_rq2;
		wire need_rq2;
		wire channel_pgm_en2;
		@@ -449,8 +469,8 @@ module mcntrl393 #(
		wire select_cmd0_w;
		wire select_buf0rd_w;
		wire select_buf0wr_w;
		wire select_buf1rd_w;
		wire select_buf1wr_w;
		// wire select_buf1rd_w; // not used - replaced with membridge
		// wire select_buf1wr_w; // not used - replaced with membridge
		wire select_buf2rd_w;
		wire select_buf2wr_w;
		wire select_buf3rd_w;
		@@ -461,8 +481,8 @@ module mcntrl393 #(
		reg select_cmd0;
		reg select_buf0rd;
		reg select_buf0wr;
		reg select_buf1rd;
		reg select_buf1wr;
		// reg select_buf1rd; // not used - replaced with membridge
		// reg select_buf1wr; // not used - replaced with membridge
		reg select_buf2rd;
		reg select_buf2wr;
		reg select_buf3rd;
		@@ -471,7 +491,7 @@ module mcntrl393 #(
		reg select_buf4wr;

		reg select_buf0rd_d; // delayed by 1 clock, for combining with regen?
		reg select_buf1rd_d;
		// reg select_buf1rd_d; // not used - replaced with membridge
		reg select_buf2rd_d;
		reg select_buf3rd_d;
		reg select_buf4rd_d;
		@@ -483,22 +503,22 @@ module mcntrl393 #(
		reg [31:0] buf_wdata;
		reg cmd_we;
		reg buf0wr_we;
		reg buf1wr_we;
		// reg buf1wr_we; // not used - replaced with membridge
		reg buf2wr_we;
		reg buf3wr_we;
		reg buf4wr_we;
		wire [BUFFER_DEPTH32-1:0] buf_raddr;

		wire [31:0] buf0_data;
		wire [31:0] buf1rd_data;
		// wire [31:0] buf1rd_data; // not used - replaced with membridge
		wire [31:0] buf2rd_data;
		wire [31:0] buf3rd_data;
		wire [31:0] buf4rd_data;

		wire buf0_rd;
		wire buf0_regen;
		wire buf1rd_rd;
		wire buf1rd_regen;
		// wire buf1rd_rd; // not used - replaced with membridge
		// wire buf1rd_regen; // not used - replaced with membridge
		wire buf2rd_rd;
		wire buf2rd_regen;
		wire buf3rd_rd;
		@@ -522,9 +542,8 @@ module mcntrl393 #(
		wire lin_rw_chn1_partial; // do not increment page in the end, continue current
		wire lin_rw_chn1_start_rd; // start generating commands
		wire lin_rw_chn1_start_wr; // start generating commands
		// wire [1:0] xfer_page2; // "internal" buffer page
		wire xfer_reset_page1_wr; // "internal" buffer page reset, @posedge mclk
		wire xfer_reset_page1_rd; // "internal" buffer page reset, @negedge mclk
		// wire xfer_reset_page1_wr; // not used - replaced with membridge
		// wire xfer_reset_page1_rd; // not used - replaced with membridge

		wire [2:0] lin_rw_chn3_bank; // bank address
		wire [ADDRESS_NUMBER-1:0] lin_rw_chn3_row; // memory row
		@@ -533,7 +552,6 @@ module mcntrl393 #(
		wire lin_rw_chn3_partial; // do not increment page in the end, continue current
		wire lin_rw_chn3_start_rd; // start generating commands
		wire lin_rw_chn3_start_wr; // start generating commands
		// wire [1:0] xfer_page3; // "internal" buffer page
		wire xfer_reset_page3_wr; // "internal" buffer page reset, @posedge mclk
		wire xfer_reset_page3_rd; // "internal" buffer page reset, @negedge mclk

		@@ -627,15 +645,15 @@ module mcntrl393 #(
		// For now - combinatorial, maybe add registers (modify axibram_read)
		assign buf_raddr=axird_raddr;
		assign axird_rdata = (select_buf0rd ? buf0_data : 32'b0) \|
		(select_buf1rd ? buf1rd_data : 32'b0) \|
		// (select_buf1rd ? buf1rd_data : 32'b0) \| // not used - replaced with membridge
		(select_buf2rd ? buf2rd_data : 32'b0) \|
		(select_buf3rd ? buf3rd_data : 32'b0) \|
		(select_buf4rd ? buf4rd_data : 32'b0);

		assign buf0_rd= axird_ren && select_buf0rd;
		assign buf0_regen= axird_regen && select_buf0rd_d;
		assign buf1rd_rd= axird_ren && select_buf1rd;
		assign buf1rd_regen= axird_regen && select_buf1rd_d;
		// assign buf1rd_rd= axird_ren && select_buf1rd; // not used - replaced with membridge
		// assign buf1rd_regen= axird_regen && select_buf1rd_d; // not used - replaced with membridge
		assign buf2rd_rd= axird_ren && select_buf2rd;
		assign buf2rd_regen= axird_regen && select_buf2rd_d;
		assign buf3rd_rd= axird_ren && select_buf3rd;
		@@ -654,8 +672,8 @@ module mcntrl393 #(
		assign select_cmd0_w = ((axiwr_pre_awaddr ^ MCONTR_CMD_WR_ADDR) & MCONTR_WR_MASK)==0;
		assign select_buf0rd_w = ((axird_pre_araddr ^ MCONTR_BUF0_RD_ADDR) & MCONTR_RD_MASK)==0;
		assign select_buf0wr_w = ((axiwr_pre_awaddr ^ MCONTR_BUF0_WR_ADDR) & MCONTR_WR_MASK)==0;
		assign select_buf1rd_w = ((axird_pre_araddr ^ MCONTR_BUF1_RD_ADDR) & MCONTR_RD_MASK)==0;
		assign select_buf1wr_w = ((axiwr_pre_awaddr ^ MCONTR_BUF1_WR_ADDR) & MCONTR_WR_MASK)==0;
		// assign select_buf1rd_w = ((axird_pre_araddr ^ MCONTR_BUF1_RD_ADDR) & MCONTR_RD_MASK)==0; // not used - replaced with membridge
		// assign select_buf1wr_w = ((axiwr_pre_awaddr ^ MCONTR_BUF1_WR_ADDR) & MCONTR_WR_MASK)==0; // not used - replaced with membridge
		assign select_buf2rd_w = ((axird_pre_araddr ^ MCONTR_BUF2_RD_ADDR) & MCONTR_RD_MASK)==0;
		assign select_buf2wr_w = ((axiwr_pre_awaddr ^ MCONTR_BUF2_WR_ADDR) & MCONTR_WR_MASK)==0;
		assign select_buf3rd_w = ((axird_pre_araddr ^ MCONTR_BUF3_RD_ADDR) & MCONTR_RD_MASK)==0;
		@@ -672,10 +690,10 @@ module mcntrl393 #(
		if (axi_rst) select_buf0wr <= 0;
		else if (axiwr_start_burst) select_buf0wr <= select_buf0wr_w;

		if (axi_rst) select_buf1rd <= 0;
		else if (axird_start_burst) select_buf1rd <= select_buf1rd_w;
		if (axi_rst) select_buf1wr <= 0;
		else if (axiwr_start_burst) select_buf1wr <= select_buf1wr_w;
		// if (axi_rst) select_buf1rd <= 0; // not used - replaced with membridge
		// else if (axird_start_burst) select_buf1rd <= select_buf1rd_w; // not used - replaced with membridge
		// if (axi_rst) select_buf1wr <= 0; // not used - replaced with membridge
		// else if (axiwr_start_burst) select_buf1wr <= select_buf1wr_w; // not used - replaced with membridge

		if (axi_rst) select_buf2rd <= 0;
		else if (axird_start_burst) select_buf2rd <= select_buf2rd_w;
		@@ -694,7 +712,7 @@ module mcntrl393 #(


		if (axi_rst) axird_selected_r <= 0;
		else if (axird_start_burst) axird_selected_r <= select_buf0rd_w \|\| select_buf1rd_w \|\|
		else if (axird_start_burst) axird_selected_r <= select_buf0rd_w \|\| //select_buf1rd_w \|\| // not used - replaced with membridge
		select_buf2rd_w \|\| select_buf3rd_w \|\| select_buf4rd_w;
		end
		always @ (posedge axi_clk) begin
		@@ -702,13 +720,13 @@ module mcntrl393 #(
		if (axiwr_wen) buf_waddr <= axiwr_waddr;
		cmd_we <= axiwr_wen && select_cmd0;
		buf0wr_we <= axiwr_wen && select_buf0wr;
		buf1wr_we <= axiwr_wen && select_buf1wr;
		// buf1wr_we <= axiwr_wen && select_buf1wr; // not used - replaced with membridge
		buf2wr_we <= axiwr_wen && select_buf2wr;
		buf3wr_we <= axiwr_wen && select_buf3wr;
		buf4wr_we <= axiwr_wen && select_buf4wr;

		select_buf0rd_d <= select_buf0rd;
		select_buf1rd_d <= select_buf1rd;
		// select_buf1rd_d <= select_buf1rd; // not used - replaced with membridge
		select_buf2rd_d <= select_buf2rd;
		select_buf3rd_d <= select_buf3rd;
		select_buf4rd_d <= select_buf4rd;
		@@ -777,7 +795,8 @@ module mcntrl393 #(

		//
		// Port memory buffer (4 pages each, R/W fixed, port 0 - AXI read from DDR, port 1 - AXI write to DDR

		// Routing out to membridge module
		/*
		// Port 1rd (read DDR to AXI) buffer, linear
		mcntrl_buf_rd #(
		.LOG2WIDTH_RD(5)
		@@ -812,7 +831,7 @@ module mcntrl393 #(
		.rd (buf_rd_chn1), // input
		.data_out (buf_rdata_chn1) // output[63:0]
		);

		*/
		// Port 2rd (read DDR to AXI) buffer, tiled
		mcntrl_buf_rd #(
		.LOG2WIDTH_RD(5)
		@@ -963,7 +982,7 @@ module mcntrl393 #(
		.xfer_done (seq_done1), // input : sequence over
		.xfer_page_rst_wr (xfer_reset_page1_wr), // output
		.xfer_page_rst_rd (xfer_reset_page1_rd), // output
		.cmd_wrmem () // output
		.cmd_wrmem (cmd_wrmem_chn1) // output
		);

		mcntrl_linear_rw #(

simulation_modules/simul_axi_hp_rd.v

+1 −1

Original line number	Diff line number	Diff line
		@@ -45,7 +45,7 @@ module simul_axi_hp_rd #(
		input rready,
		output [ 5:0] rid,
		output rlast,
		output [ 2:0] rresp,
		output [ 1:0] rresp,
		// PL extra (non-AXI) signals
		output [ 7:0] rcount,
		output [ 2:0] racount,

x393.v

+249 −63

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