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Commit b721ae66 authored by Andrey Filippov's avatar Andrey Filippov
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axi/axibram_read.v
View file @ b721ae66
......@@ -25,20 +25,16 @@ module axibram_read #(
parameter ADDRESS_BITS = 10 // number of memory address bits
)(
input aclk, // clock - should be buffered
// input aresetn, // reset, active low
input rst, // reset, active high
// input rst, // reset, active high
input arst, // @posedge aclk sync reset, active high
// AXI Read Address
input [31:0] araddr, // ARADDR[31:0], input
input arvalid, // ARVALID, input
output arready, // ARREADY, output
input [11:0] arid, // ARID[11:0], input
// input [ 1:0] arlock, // ARLOCK[1:0], input
// input [ 3:0] archache,// ARCACHE[3:0], input
// input [ 2:0] arprot, // ARPROT[2:0], input
input [ 3:0] arlen, // ARLEN[3:0], input
input [ 1:0] arsize, // ARSIZE[1:0], input
input [ 1:0] arburst, // ARBURST[1:0], input
// input [ 3:0] adqos, // ARQOS[3:0], input
// AXI Read Data
output [31:0] rdata, // RDATA[31:0], output
output reg rvalid, // RVALID, output
......@@ -145,30 +141,30 @@ module axibram_read #(
assign rdata[31:0] = bram_rdata; // data out
always @ (posedge aclk or posedge rst) begin
always @ (posedge aclk) begin
`ifdef USE_SHORT_REN_REGEN
if (rst) bram_regen_r <= 0;
if (arst) bram_regen_r <= 0;
else bram_regen_r <= bram_ren;
`endif
if (rst) pre_last_in_burst_r <= 0;
if (arst) pre_last_in_burst_r <= 0;
// else if (start_read_burst_w) pre_last_in_burst_r <= (read_left==4'b0);
else if (bram_reg_re_w) pre_last_in_burst_r <= (read_left==4'b0);
if (rst) rburst[1:0] <= 0;
if (arst) rburst[1:0] <= 0;
else if (start_read_burst_w) rburst[1:0] <= arburst_out[1:0];
if (rst) rlen[3:0] <= 0;
if (arst) rlen[3:0] <= 0;
else if (start_read_burst_w) rlen[3:0] <= arlen_out[3:0];
if (rst) read_in_progress <= 0;
if (arst) read_in_progress <= 0;
else read_in_progress <= read_in_progress_w;
if (rst) read_in_progress_d <= 0;
if (arst) read_in_progress_d <= 0;
// else read_in_progress_d <= read_in_progress_d_w;
else if (bram_reg_re_w) read_in_progress_d <= read_in_progress_d_w;
if (rst) read_in_progress_or <= 0;
if (arst) read_in_progress_or <= 0;
// else read_in_progress_or <= read_in_progress_d_w || read_in_progress_w;
// else if (bram_reg_re_w) read_in_progress_or <= read_in_progress_d_w || read_in_progress_w;
// FIXME:
......@@ -177,22 +173,23 @@ module axibram_read #(
// reg read_in_progress_d=0; // delayed by one active cycle (not skipped)
// reg read_in_progress_or=0; // read_in_progress || read_in_progress_d
if (rst) read_left <= 0;
if (arst) read_left <= 0;
else if (start_read_burst_w) read_left <= arlen_out[3:0]; // precedence over inc
else if (bram_reg_re_w) read_left <= read_left-1; //SuppressThisWarning ISExst Result of 32-bit expression is truncated to fit in 4-bit target.
if (rst) read_address <= {ADDRESS_BITS{1'b0}};
if (arst) read_address <= {ADDRESS_BITS{1'b0}};
else if (start_read_burst_w) read_address <= araddr_out[ADDRESS_BITS-1:0]; // precedence over inc
else if (bram_reg_re_w) read_address <= next_rd_address_w;
if (rst) rvalid <= 1'b0;
if (arst) rvalid <= 1'b0;
else if (bram_reg_re_w && read_in_progress_d) rvalid <= 1'b1;
else if (rready) rvalid <= 1'b0;
if (rst) rlast <= 1'b0;
if (arst) rlast <= 1'b0;
else if (last_in_burst_d_w) rlast <= 1'b1;
else if (rready) rlast <= 1'b0;
end
always @ (posedge aclk) begin //SuppressThisWarning ISExst Assignment to bram_reg_re_0 ignored, since the identifier is never used
// bram_reg_re_0 <= read_in_progress_w && !pre_rvalid_w;
......@@ -240,9 +237,9 @@ module axibram_read #(
fifo_same_clock #( .DATA_WIDTH(ADDRESS_BITS+20),.DATA_DEPTH(4))
raddr_i (
.rst(rst),
.rst(1'b0),
.clk(aclk),
.sync_rst(1'b0), // input
.sync_rst(arst),
.we(arvalid && arready),
.re(start_read_burst_w),
.data_in({arid[11:0], arburst[1:0],arsize[1:0],arlen[3:0],araddr[ADDRESS_BITS+1:2]}),
......
axi/axibram_write.v
View file @ b721ae66
......@@ -26,21 +26,16 @@ module axibram_write #(
parameter ADDRESS_BITS = 10 // number of memory address bits
)(
input aclk, // clock - should be buffered
// input aresetn, // reset, active low
input rst, // reset, active highw
input arst, // @aclk sync reset, active high
// AXI Write Address
input [31:0] awaddr, // AWADDR[31:0], input
input awvalid, // AWVALID, input
output awready, // AWREADY, output
input [11:0] awid, // AWID[11:0], input
// input [ 1:0] awlock, // AWLOCK[1:0], input
// input [ 3:0] awcache, // AWCACHE[3:0], input
// input [ 2:0] awprot, // AWPROT[2:0], input
input [ 3:0] awlen, // AWLEN[3:0], input
input [ 1:0] awsize, // AWSIZE[1:0], input
input [ 1:0] awburst, // AWBURST[1:0], input
// input [ 3:0] awqos, // AWQOS[3:0], input
// AXI PS Master GP0: Write Data
input [31:0] wdata, // WDATA[31:0], input
input wvalid, // WVALID, input
......@@ -141,44 +136,30 @@ module axibram_write #(
assign start_write_burst_w=w_nempty_ready && aw_nempty_ready && (!write_in_progress || (w_nempty_ready && ((write_left[3:0]==4'b0) || wlast_out)));
assign write_in_progress_w=w_nempty_ready && aw_nempty_ready || (write_in_progress && !(w_nempty_ready && ((write_left[3:0]==4'b0) || wlast_out)));
always @ (posedge aclk or posedge rst) begin
if (rst) wburst[1:0] <= 0;
always @ (posedge aclk) begin
if (arst) wburst[1:0] <= 0;
else if (start_write_burst_w) wburst[1:0] <= awburst_out[1:0];
if (rst) wlen[3:0] <= 0;
if (arst) wlen[3:0] <= 0;
else if (start_write_burst_w) wlen[3:0] <= awlen_out[3:0];
if (rst) write_in_progress <= 0;
else write_in_progress <= write_in_progress_w;
if (arst) write_in_progress <= 0;
else write_in_progress <= write_in_progress_w;
if (rst) write_left <= 0;
if (arst) write_left <= 0;
else if (start_write_burst_w) write_left <= awlen_out[3:0]; // precedence over inc
else if (bram_we_w) write_left <= write_left-1; //SuppressThisWarning ISExst Result of 32-bit expression is truncated to fit in 4-bit target.
if (rst) write_address <= {ADDRESS_BITS{1'b0}};
if (arst) write_address <= {ADDRESS_BITS{1'b0}};
else if (start_write_burst_w) write_address <= awaddr_out[ADDRESS_BITS-1:0]; // precedence over inc
else if (bram_we_w) write_address <= next_wr_address_w;
if (rst) dev_ready_r <= 1'b0;
else dev_ready_r <= dev_ready;
if (arst) dev_ready_r <= 1'b0;
else dev_ready_r <= dev_ready;
end
// **** Write response channel ****
wire [ 1:0] bresp_in;
assign bresp_in=2'b0;
/*
output bvalid, // BVALID, output
input bready, // BREADY, input
output [11:0] bid, // BID[11:0], output
output [ 1:0] bresp // BRESP[1:0], output
*/
/*
reg bram_reg_re_r;
always @ (posedge aclk) begin
bram_reg_re_r <= bram_reg_re_w;
end
*/
// external memory interface (write only)
assign pre_awaddr=awaddr_out[ADDRESS_BITS-1:0];
......@@ -199,9 +180,9 @@ module axibram_write #(
`endif
fifo_same_clock #( .DATA_WIDTH(20+ADDRESS_BITS),.DATA_DEPTH(4))
waddr_i (
.rst (rst),
.rst (1'b0), //rst),
.clk (aclk),
.sync_rst (1'b0),
.sync_rst (arst),
.we (awvalid && awready),
.re (start_write_burst_w),
.data_in ({awid[11:0], awburst[1:0],awsize[1:0],awlen[3:0],awaddr[ADDRESS_BITS+1:2]}),
......@@ -219,9 +200,9 @@ fifo_same_clock #( .DATA_WIDTH(20+ADDRESS_BITS),.DATA_DEPTH(4))
);
fifo_same_clock #( .DATA_WIDTH(49),.DATA_DEPTH(4))
wdata_i (
.rst(rst),
.rst(1'b0), //rst),
.clk(aclk),
.sync_rst (1'b0),
.sync_rst (arst),
.we(wvalid && wready),
.re(bram_we_w), //start_write_burst_w), // wrong
.data_in({wid[11:0],wlast,wstb[3:0],wdata[31:0]}),
......@@ -241,16 +222,16 @@ fifo_same_clock #( .DATA_WIDTH(49),.DATA_DEPTH(4))
reg was_bresp_re=0;
wire bresp_re;
assign bresp_re=bready && bvalid && !was_bresp_re;
always @ (posedge rst or posedge aclk) begin
if (rst) was_bresp_re<=0;
else was_bresp_re <= bresp_re;
always @ (posedge aclk) begin
if (arst) was_bresp_re<=0;
else was_bresp_re <= bresp_re;
end
fifo_same_clock #( .DATA_WIDTH(14),.DATA_DEPTH(4))
wresp_i (
.rst(rst),
.rst(1'b0), //rst),
.clk(aclk),
.sync_rst (1'b0),
.sync_rst (arst),
.we(bram_we_w &&((write_left[3:0]==4'b0) || wlast_out)), // added ((write_left[3:0]==4'b0) || wlast_out) - only last wrtite -> bresp
// .re(bready && bvalid),
.re(bresp_re), // not allowing RE next cycle after bvalid
......
axi/cmprs_afi_mux.v
View file @ b721ae66
......@@ -34,9 +34,11 @@ module cmprs_afi_mux#(
parameter CMPRS_AFIMUX_CYCBITS = 3,
parameter AFI_MUX_BUF_LATENCY = 2 // buffers read latency from fifo_ren* to fifo_rdata* valid : 2 if no register layers are used
)(
input rst,
// input rst,
input mclk, // for command/status
input hclk, // global clock to run axi_hp @ 150MHz, shared by all compressor channels
input mrst, // @posedge mclk, sync reset
input hrst, // @posedge xclk, sync reset
// programming interface
input [7:0] cmd_ad, // byte-serial command address/data (up to 6 bytes: AL-AH-D0-D1-D2-D3
input cmd_stb, // strobe (with first byte) for the command a/d
......@@ -386,8 +388,9 @@ module cmprs_afi_mux#(
.ADDR_WIDTH (4),
.DATA_WIDTH (32)
) cmd_deser_32bit_i (
.rst (rst), // input
.rst (1'b0), // rst), // input
.clk (mclk), // input
.srst (mrst), // input
.ad (cmd_ad), // input[7:0]
.stb (cmd_stb), // input
.addr (cmd_a), // output[3:0]
......@@ -436,9 +439,11 @@ module cmprs_afi_mux#(
.CMPRS_AFIMUX_WIDTH(CMPRS_AFIMUX_WIDTH),
.CMPRS_AFIMUX_CYCBITS(CMPRS_AFIMUX_CYCBITS)
) cmprs_afi_mux_status_i (
.rst (rst), // input
// .rst (rst), // input
.hclk (hclk), // input
.mclk (mclk), // input
.mrst (mrst), // input
.hrst (hrst), // input
.cmd_data (cmd_data[15:0]), // input[15:0]
.cmd_a (cmd_a[1:0]), // input[1:0]
.status_we (cmd_we_status_w), // input
......
axi/cmprs_afi_mux_status.v
View file @ b721ae66
......@@ -29,9 +29,11 @@ module cmprs_afi_mux_status #(
parameter CMPRS_AFIMUX_WIDTH = 26, // maximal for status: currently only works with 26)
parameter CMPRS_AFIMUX_CYCBITS = 3
) (
input rst,
// input rst,
input hclk, // global clock to run axi_hp @ 150MHz, shared by all compressor channels
input mclk, // for command/status
input mrst, // @posedge mclk, sync reset
input hrst, // @posedge xclk, sync reset
// mclk domain
input [15:0] cmd_data, //
input [ 1:0] cmd_a, //
......@@ -100,11 +102,12 @@ module cmprs_afi_mux_status #(
end
pulse_cross_clock mode_we_hclk_i (.rst(rst), .src_clk(mclk), .dst_clk(hclk), .in_pulse(mode_we), .out_pulse(mode_we_hclk),.busy());
pulse_cross_clock stb_mclk_i (.rst(rst), .src_clk(hclk), .dst_clk(mclk), .in_pulse(stb_r), .out_pulse(stb_mclk), .busy());
pulse_cross_clock mode_we_hclk_i (.rst(mrst), .src_clk(mclk), .dst_clk(hclk), .in_pulse(mode_we), .out_pulse(mode_we_hclk),.busy());
pulse_cross_clock stb_mclk_i (.rst(hrst), .src_clk(hclk), .dst_clk(mclk), .in_pulse(stb_r), .out_pulse(stb_mclk), .busy());
status_router4 status_router4_i (
.rst (rst), // input
.rst (1'b0), // rst), // input
.clk (mclk), // input
.srst (mrst), // input
.db_in0 (ad[0 * 8 +: 8]), // input[7:0]
.rq_in0 (rq[0]), // input
.start_in0 (start[0]), // output
......@@ -127,8 +130,9 @@ module cmprs_afi_mux_status #(
.STATUS_REG_ADDR (CMPRS_AFIMUX_STATUS_REG_ADDR+0),
.PAYLOAD_BITS (CMPRS_AFIMUX_WIDTH)
) status_generate0_i (
.rst (rst), // input
.rst (1'b0), //rst), // input
.clk (mclk), // input
.srst (mrst), // input
.we (status_we && (cmd_a==0)), // input
.wd (cmd_data[7:0]), // input[7:0]
.status (status_data[0 * CMPRS_AFIMUX_WIDTH +: CMPRS_AFIMUX_WIDTH]), // input[25:0]
......@@ -141,8 +145,9 @@ module cmprs_afi_mux_status #(
.STATUS_REG_ADDR (CMPRS_AFIMUX_STATUS_REG_ADDR+0),
.PAYLOAD_BITS (CMPRS_AFIMUX_WIDTH)
) status_generate1_i (
.rst (rst), // input
.rst (1'b0), //rst), // input
.clk (mclk), // input
.srst (mrst), // input
.we (status_we && (cmd_a==1)), // input
.wd (cmd_data[7:0]), // input[7:0]
.status (status_data[1 * CMPRS_AFIMUX_WIDTH +: CMPRS_AFIMUX_WIDTH]), // input[25:0]
......@@ -155,8 +160,9 @@ module cmprs_afi_mux_status #(
.STATUS_REG_ADDR (CMPRS_AFIMUX_STATUS_REG_ADDR+0),
.PAYLOAD_BITS (CMPRS_AFIMUX_WIDTH)
) status_generate2_i (
.rst (rst), // input
.rst (1'b0), //rst), // input
.clk (mclk), // input
.srst (mrst), // input
.we (status_we && (cmd_a==2)), // input
.wd (cmd_data[7:0]), // input[7:0]
.status (status_data[2 * CMPRS_AFIMUX_WIDTH +: CMPRS_AFIMUX_WIDTH]), // input[25:0]
......@@ -169,8 +175,9 @@ module cmprs_afi_mux_status #(
.STATUS_REG_ADDR (CMPRS_AFIMUX_STATUS_REG_ADDR+0),
.PAYLOAD_BITS (CMPRS_AFIMUX_WIDTH)
) status_generate3_i (
.rst (rst), // input
.rst (1'b0), // rst), // input
.clk (mclk), // input
.srst (mrst), // input
.we (status_we && (cmd_a==3)), // input
.wd (cmd_data[7:0]), // input[7:0]
.status (status_data[3 * CMPRS_AFIMUX_WIDTH +: CMPRS_AFIMUX_WIDTH]), // input[25:0]
......
axi/histogram_saxi.v
View file @ b721ae66
......@@ -37,9 +37,12 @@ module histogram_saxi#(
// parameter HIST_SAXI_STATUS_REG = 'h34,
parameter NUM_FRAME_BITS = 4 // number of bits use for frame number
)(
input rst,
// input rst,
input mclk, // for command/status
input aclk, // global clock to run s_axi (@150MHz?)
input mrst, // @posedge mclk, sync reset
input arst, // @posedge aclk, sync reset
// sensor 0, data valid @posedge mclk
input [NUM_FRAME_BITS-1:0] frame0, // frame number for which the histogram is provided
input hist_request0, // request to transfer a burst
......@@ -248,8 +251,8 @@ module histogram_saxi#(
assign page_sent_aclk = block_run[1] && !block_run[0];
// command interface
always @(posedge rst or posedge mclk) begin
if (rst) mode <= 0;
always @(posedge mclk) begin
if (mrst) mode <= 0;
else if (we_mode) mode <= cmd_data[HIST_SAXI_MODE_WIDTH-1:0];
end
always @(posedge mclk) begin
......@@ -357,7 +360,7 @@ module histogram_saxi#(
pulse_cross_clock pulse_cross_clock_page_sent_i (
.rst (rst), // input
.rst (arst), // input
.src_clk (aclk), // input
.dst_clk (mclk), // input
.in_pulse (page_sent_aclk), // input
......@@ -365,7 +368,7 @@ module histogram_saxi#(
.busy() // output
);
pulse_cross_clock pulse_cross_clock_page_written_aclk_i (
.rst (rst), // input
.rst (mrst), // input
.src_clk (mclk), // input
.dst_clk (aclk), // input
.in_pulse (burst_done_w), // input
......@@ -384,12 +387,13 @@ module histogram_saxi#(
.ADDR2 (0),
.ADDR_MASK2 (0)
) cmd_deser_sens_i2c_i (
.rst (rst), // input
.clk (mclk), // input
.ad (cmd_ad), // input[7:0]
.stb (cmd_stb), // input
.addr (cmd_wa), // output[3:0]
.data (cmd_data), // output[31:0]
.rst (1'b0), // input
.clk (mclk), // input
.srst (mrst), // input
.ad (cmd_ad), // input[7:0]
.stb (cmd_stb), // input
.addr (cmd_wa), // output[3:0]
.data (cmd_data), // output[31:0]
.we ({we_mode,we_addr}) // output
);
......@@ -399,31 +403,32 @@ module histogram_saxi#(
.LOG2WIDTH_RD(5),
.DUMMY(0)
) ram_var_w_var_r_i (
.rclk (aclk), // input
.raddr ({page_rd[1:0],page_ra[7:0]}), // input[9:0]
.ren (buf_re[0]), // input
.regen (buf_re[1]), // input
.data_out (inter_buf_data), // output[31:0]
.wclk (mclk), // input
.rclk (aclk), // input
.raddr ({page_rd[1:0],page_ra[7:0]}), // input[9:0]
.ren (buf_re[0]), // input
.regen (buf_re[1]), // input
.data_out (inter_buf_data), // output[31:0]
.wclk (mclk), // input
.waddr ({page_wr[1:0], page_wa[7:0]}), // input[9:0]
.we (dav_r), // input
.web (8'hff), // input[7:0]
.data_in (din_r) // input[31:0]
.we (dav_r), // input
.web (8'hff), // input[7:0]
.data_in (din_r) // input[31:0]
);
// Small extra FIFO to tolerate ram_var_w_var_r latency
fifo_same_clock #(
.DATA_WIDTH(32),
.DATA_DEPTH(4)
) fifo_same_clock_i (
.rst (rst), // input
.clk (aclk), // input
.sync_rst (!en_aclk), // input
.we (buf_re[2]), // input
.re (fifo_re), // input
.rst (1'b0), // input
.clk (aclk), // input
.sync_rst (arst), // input
.sync_rst (!en_aclk), // input
.we (buf_re[2]), // input
.re (fifo_re), // input
.data_in (inter_buf_data), // input[31:0]
.data_out (saxi_wdata), // output[31:0]
.nempty (fifo_nempty), // output
.half_full (fifo_half_full) // output reg
.data_out (saxi_wdata), // output[31:0]
.nempty (fifo_nempty), // output
.half_full (fifo_half_full) // output reg
);
endmodule
axi/membridge.v
View file @ b721ae66
This diff is collapsed.
axi/mult_saxi_wr.v
View file @ b721ae66
......@@ -39,9 +39,11 @@ module mult_saxi_wr #(
parameter MULT_SAXI_ADV_RD = 3 // number of clock cycles before end of write to genearte adv_wr_done
) (
input rst, // global reset
// input rst, // global reset
input mclk, // system clock
input aclk, // global clock to run s_axi (@150MHz?)
input mrst, // @mclk sync reset
input arst, // @aclk sync reset
// command interface
input [7:0] cmd_ad, // byte-serial command address/data (up to 6 bytes: AL-AH-D0-D1-D2-D3
input cmd_stb, // strobe (with first byte) for the command a/d
......@@ -161,8 +163,8 @@ module mult_saxi_wr #(
assign en_chn_mclk = mode_reg[3:0];
assign run_chn_mclk = mode_reg[7:4];
always @ (posedge rst or posedge mclk) begin
if (rst) mode_reg <= 0;
always @ (posedge mclk) begin
if (mrst) mode_reg <= 0;
else if (we_ctrl && !cmd_a[0]) mode_reg <= cmd_data[7:0];
end
......@@ -420,15 +422,15 @@ module mult_saxi_wr #(
.DATA_WIDTH(35),
.DATA_DEPTH(4)
) fifo_same_clock_i (
.rst (rst), // input
.clk (aclk), // input
.sync_rst (!en_aclk), // input
.we (buf_re[2]), // input
.re (fifo_re), // input
.rst (1'b0), // rst), // input
.clk (aclk), // input
.sync_rst (!en_aclk || arst), // input
.we (buf_re[2]), // input
.re (fifo_re), // input
.data_in ({chn_rd_data,is_last_rd[1],inter_buf_data}), // input[31:0]
.data_out ({chn_fifo_out,saxi_wlast, saxi_wdata}), // output[31:0]
.nempty (fifo_nempty), // output
.half_full (fifo_half_full) // output reg
.nempty (fifo_nempty), // output
.half_full (fifo_half_full) // output reg
);
generate
......@@ -481,8 +483,9 @@ module mult_saxi_wr #(
.ADDR2 (0),
.ADDR_MASK2 (0)
) cmd_deser_sens_i2c_i (
.rst (rst), // input
.rst (1'b0), //rst), // input
.clk (mclk), // input
.srst (mrst), // input
.ad (cmd_ad), // input[7:0]
.stb (cmd_stb), // input
.addr (cmd_a), // output[3:0]
......@@ -509,7 +512,7 @@ module mult_saxi_wr #(
if (pntr_we_mclk && (pntr_wa == 2'h3)) status_pntr3 <= pntr_wd;
end
pulse_cross_clock status_wr_i (.rst(rst), .src_clk(aclk), .dst_clk(mclk), .in_pulse(pntr_we), .out_pulse(pntr_we_mclk),.busy());
pulse_cross_clock status_wr_i (.rst(arst), .src_clk(aclk), .dst_clk(mclk), .in_pulse(pntr_we), .out_pulse(pntr_we_mclk),.busy());
status_generate #(
.STATUS_REG_ADDR (MULT_SAXI_STATUS_REG+4), // not used
......@@ -518,8 +521,9 @@ module mult_saxi_wr #(
.EXTRA_WORDS (4),
.EXTRA_REG_ADDR (MULT_SAXI_STATUS_REG)
) status_generate_i (
.rst (rst), // input
.clk (mclk), // input
.rst (1'b0), //rst), // input
.clk (mclk), // input
.srst (mrst), // input
.we (we_ctrl && cmd_a[0]), // input
.wd (cmd_data[7:0]), // input[7:0]
.status (status_data), // input[128:0]
......
cmd_mux.v
View file @ b721ae66
......@@ -61,7 +61,8 @@ module cmd_mux #(
) (
input axi_clk,
input mclk,
input rst,
input mrst, // @posedge mclk - sync reset
input arst, // @posedge axi_clk - sync reset
// direct commands from AXI. No wait but for multi-cycle output and command sequencer (having higher priority)
input [AXI_WR_ADDR_BITS-1:0] pre_waddr, // AXI write address, before actual writes (to generate busy), valid@start_burst
input start_wburst, // burst start - should generate ~ready (should be AND-ed with !busy internally)
......@@ -114,10 +115,10 @@ module cmd_mux #(
assign seq_length_rom_a=par_ad[NUM_CYCLES_LOW_BIT+:5];
assign ss= seq_length[3];
always @ (posedge axi_clk or posedge rst) begin
if (rst) selected <= 1'b0;
always @ (posedge axi_clk) begin
if (arst) selected <= 1'b0;
else if (start_wburst) selected <= selected_w;
if (rst) busy_r <= 1'b0;
if (arst) busy_r <= 1'b0;
else busy_r <= !fifo_half_empty;
end
......@@ -158,8 +159,8 @@ module cmd_mux #(
5'h1e:seq_length <= NUM_CYCLES_30;
5'h1f:seq_length <= NUM_CYCLES_31;
endcase
always @ (posedge rst or posedge mclk) begin
if (rst) seq_busy_r<=0;
always @ (posedge mclk) begin
if (mrst) seq_busy_r<=0;
else begin
if (ad_stb) begin
case (seq_length)
......@@ -177,9 +178,9 @@ module cmd_mux #(
assign can_start_w= ad_stb_r? ss: !seq_busy_r[1];
assign start_axi_w= can_start_w && ~cmdseq_full_r && fifo_nempty;
assign start_w= can_start_w && (cmdseq_full_r || fifo_nempty);
always @ (posedge rst or posedge mclk) begin
if (rst) ad_stb_r <= 0;
else ad_stb_r <= start_w;
always @ (posedge mclk) begin
if (mrst) ad_stb_r <= 0;
else ad_stb_r <= start_w;
end
always @ (posedge mclk) begin
if (start_w) par_ad <={cmdseq_full_r?cseq_wdata_r:wdata_fifo_out,{(16-AXI_WR_ADDR_BITS){1'b0}},cmdseq_full_r?cseq_waddr_r:waddr_fifo_out};
......@@ -188,8 +189,8 @@ module cmd_mux #(
assign cseq_ackn= cseq_wr_en && (!cmdseq_full_r || can_start_w); // cmddseq_full has priority over axi, so (can_start_w && cmdseq_full_r)
always @ (posedge rst or posedge mclk) begin
if (rst) cmdseq_full_r <= 0;
always @ (posedge mclk) begin
if (mrst) cmdseq_full_r <= 0;
else cmdseq_full_r <= cseq_ackn || (cmdseq_full_r && !can_start_w);
end
always @ (posedge mclk) begin
......@@ -204,7 +205,9 @@ module cmd_mux #(
.DATA_WIDTH (AXI_WR_ADDR_BITS+32),
.DATA_DEPTH (4)
) fifo_cross_clocks_i (
.rst (rst), // input
.rst (1'b0), // input
.rrst (mrst), // input
.wrst (arst), // input
.rclk (mclk), // input
.wclk (axi_clk), // input
.we (wr_en && selected), // input
......
cmd_readback.v
View file @ b721ae66
......@@ -30,7 +30,8 @@ module cmd_readback#(
parameter CONTROL_RBACK_ADDR = 'h0000, // AXI write address of control write registers
parameter CONTROL_RBACK_ADDR_MASK = 'h3800 // AXI write address of control registers
)(
input rst,
input mrst, // @posedge mclk - sync reset
input arst, // @posedge axi_clk - sync reset
input mclk,
input axi_clk,
input [AXI_WR_ADDR_BITS-1:0] par_waddr, // parallel address
......@@ -71,11 +72,11 @@ module cmd_readback#(
assign axird_selected = select_r;
always @ (posedge rst or posedge axi_clk) begin
if (rst) axird_regen <= 0;
else axird_regen <= axird_ren;
always @ (posedge axi_clk) begin
if (arst) axird_regen <= 0;
else axird_regen <= axird_ren;
if (rst) select_r <= 0;
if (arst) select_r <= 0;
else if (axird_start_burst) select_r <= select_w;
end
......@@ -85,9 +86,9 @@ module cmd_readback#(
select_d <= select_r;
end
always @ (posedge rst or posedge mclk) begin
if (rst) we <= 0;
else we <= we_w;
always @ (posedge mclk) begin
if (mrst) we <= 0;
else we <= we_w;
end
always @ (posedge mclk) begin
if (we_w) wdata <= par_data;
......
compressor_jp/cmprs_cmd_decode.v
View file @ b721ae66
......@@ -132,16 +132,16 @@ module cmprs_cmd_decode#(
parameter CMPRS_CSAT_CB_BITS = 10, // number of bits in blue scale field in color saturation word
parameter CMPRS_CSAT_CR = 12, // bit # of number of red scale field in color saturation word
parameter CMPRS_CSAT_CR_BITS = 10, // number of bits in red scale field in color saturation word
parameter CMPRS_CORING_BITS = 3, // number of bits in coring mode
parameter CMPRS_CORING_BITS = 3 // number of bits in coring mode
parameter CMPRS_STUFFER_NEG = 1 // stuffer runs @ negedge xclk2x
//parameter CMPRS_STUFFER_NEG = 1 // stuffer runs @ negedge xclk2x
)(
input rst,
// input rst,
input xclk, // global clock input, compressor single clock rate
// input xclk2x, // global clock input, compressor double clock rate, nominally rising edge aligned
input mclk, // global system/memory clock
input mrst, // @posedge mclk, sync reset
input ctrl_we, // input - @mclk control register write enable
input format_we, // input - @mclk write number of tiles and left margin
input color_sat_we, // input - @mclk write color saturation values
......@@ -236,57 +236,57 @@ module cmprs_cmd_decode#(
wire frame_start_xclk;
assign cmprs_en_mclk = cmprs_en_mclk_r;
always @ (posedge rst or posedge mclk) begin
if (rst) ctrl_we_r <= 0;
else ctrl_we_r <= ctrl_we;
always @ (posedge mclk) begin
if (mrst) ctrl_we_r <= 0;
else ctrl_we_r <= ctrl_we;
if (rst) format_we_r <= 0;
else format_we_r <= format_we;
if (mrst) format_we_r <= 0;
else format_we_r <= format_we;
if (rst) color_sat_we_r <= 0;
else color_sat_we_r <= color_sat_we;
if (mrst) color_sat_we_r <= 0;
else color_sat_we_r <= color_sat_we;
if (rst) coring_we_r <= 0;
else coring_we_r <= coring_we;
if (mrst) coring_we_r <= 0;
else coring_we_r <= coring_we;
if (rst) di_r <= 0;
if (mrst) di_r <= 0;
else if (ctrl_we || format_we || color_sat_we || coring_we) di_r <= di[30:0];
if (rst) cmprs_en_mclk_r <= 0;
if (mrst) cmprs_en_mclk_r <= 0;
else if (ctrl_we_r && di_r[CMPRS_CBIT_RUN]) cmprs_en_mclk_r <= (di_r[CMPRS_CBIT_RUN-1 -:CMPRS_CBIT_RUN_BITS] != CMPRS_CBIT_RUN_RST);
if (rst) cmprs_run_mclk <= 0;
if (mrst) cmprs_run_mclk <= 0;
else if (ctrl_we_r && di_r[CMPRS_CBIT_RUN]) cmprs_run_mclk <= (di_r[CMPRS_CBIT_RUN-1 -:CMPRS_CBIT_RUN_BITS] == CMPRS_CBIT_RUN_ENABLE);
if (rst) cmprs_standalone <= 0;
if (mrst) cmprs_standalone <= 0;