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Commit 7c5ab53d authored by Andrey Filippov's avatar Andrey Filippov
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more debugging

parent e3d5b404
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Showing with 173 additions and 63 deletions
axi/axibram_read.v
View file @ 7c5ab53d
......@@ -134,7 +134,8 @@ module axibram_read #(
`ifdef USE_SHORT_REN_REGEN
reg bram_regen_r;
assign bram_ren = bram_reg_re_w && !pre_last_in_burst_r ; // read port enable
// assign bram_ren = bram_reg_re_w && !pre_last_in_burst_r ; // read port enable
assign bram_ren = read_in_progress;
assign bram_regen = bram_regen_r; // output register enable
`else
assign bram_ren = bram_reg_re_w; // read port enable
......
includes/x393_tasks_mcntrl_buffers.vh
View file @ 7c5ab53d
......@@ -27,6 +27,7 @@ task write_block_scanline_chn; // S uppressThisWarning VEditor : may be unused
input integer startY;
reg [29:0] start_addr;
begin
$display("====== write_block_scanline_chn:%d page: %x X=0x%x Y=0x%x num=%d @%t", chn, page, startX, startY,num_words, $time);
case (chn)
1: start_addr=MCONTR_BUF1_WR_ADDR + (page << 8);
3: start_addr=MCONTR_BUF3_WR_ADDR + (page << 8);
......@@ -35,7 +36,7 @@ task write_block_scanline_chn; // S uppressThisWarning VEditor : may be unused
start_addr = MCONTR_BUF1_WR_ADDR+ (page << 8);
end
endcase
write_block_incremtal (start_addr, num_words, startX+startY<<16);
write_block_incremtal (start_addr, num_words, (startX<<2) + (startY<<16)); // 1 of startX is 8x16 bit, 16 bytes or 4 32-bit words
end
endtask
......
memctrl/cmd_encod_linear_rd.v
View file @ 7c5ab53d
......@@ -119,10 +119,13 @@ module cmd_encod_linear_rd #(
always @ (posedge clk) if (start) begin
row<=row_in;
col <= start_col;
// col <= start_col;
bank <= bank_in;
skip_next_page <= skip_next_page_in;
end
always @ (posedge clk) begin
if (start) col <= start_col;
else if (rom_cmd==ENC_CMD_READ) col <= col+1;
end
// ROM-based (registered output) encoded sequence
......
memctrl/cmd_encod_linear_wr.v
View file @ 7c5ab53d
......@@ -131,11 +131,16 @@ module cmd_encod_linear_wr #(
always @ (posedge clk) if (start) begin
row<=row_in;
col <= start_col;
// col <= start_col;
bank <= bank_in;
skip_next_page <= skip_next_page_in;
end
always @ (posedge clk) begin
if (start) col <= start_col;
else if (rom_cmd==ENC_CMD_WRITE) col <= col+1;
end
// ROM-based (registered output) encoded sequence
// TODO: Remove last ENC_BUF_RD
always @ (posedge rst or posedge clk) begin
......
memctrl/mcntrl_linear_rw.v
View file @ 7c5ab53d
......@@ -79,7 +79,7 @@ module mcntrl_linear_rw #(
);
localparam NUM_RC_BURST_BITS=ADDRESS_NUMBER+COLADDR_NUMBER-3; //to spcify row and col8 == 22
localparam MPY_WIDTH= NUM_RC_BURST_BITS; // 22
localparam PAR_MOD_LATENCY= 7; // TODO: Find actual worst-case latency for:
localparam PAR_MOD_LATENCY= 9; // TODO: Find actual worst-case latency for:
reg [FRAME_WIDTH_BITS-1:0] curr_x; // (calculated) start of transfer x (relative to window left)
reg [FRAME_HEIGHT_BITS-1:0] curr_y; // (calculated) start of transfer y (relative to window top)
reg [FRAME_HEIGHT_BITS:0] next_y; // (calculated) next row number
......@@ -96,6 +96,7 @@ module mcntrl_linear_rw #(
reg [FRAME_WIDTH_BITS:0] row_left; // number of 8-bursts left in the current row
reg last_in_row;
reg [COLADDR_NUMBER-3:0] mem_page_left; // number of 8-bursts left in the pointed memory page
reg [COLADDR_NUMBER-4:0] line_start_page_left; // number of 8-burst left in the memory page from the start of the frame line
reg [NUM_XFER_BITS:0] lim_by_xfer; // number of bursts left limited by the longest transfer (currently 64)
// reg [MAX_TILE_WIDTH:0] lim_by_tile_width; // number of bursts left limited by the longest transfer (currently 64)
wire [COLADDR_NUMBER-3:0] remainder_in_xfer ;//remainder_tile_width; // number of bursts postponed to the next partial tile (because of the page crossing) MSB-sign
......@@ -107,7 +108,7 @@ module mcntrl_linear_rw #(
reg [NUM_XFER_BITS:0] xfer_num128_r; // number of 128-bit words to transfer (8*16 bits) - full bursts of 8
// reg [NUM_XFER_BITS-1:0] xfer_num128_m1_r; // number of 128-bit words to transfer minus 1 (8*16 bits) - full bursts of 8
wire pgm_param_w; // program one of the parameters, invalidate calculated results for PAR_MOD_LATENCY
reg [2:0] xfer_start_r;
reg [2:0] xfer_start_r; // 1 hot started by xfer start only (not by parameter change)
reg [PAR_MOD_LATENCY-1:0] par_mod_r;
reg [PAR_MOD_LATENCY-1:0] recalc_r; // 1-hot CE for re-calculating registers
wire calc_valid; // calculated registers have valid values
......@@ -142,9 +143,9 @@ module mcntrl_linear_rw #(
wire set_window_wh_w;
wire set_window_x0y0_w;
wire set_window_start_w;
wire lsw13_zero=!cmd_data[FRAME_WIDTH_BITS-1:0]; // LSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
wire msw13_zero=!cmd_data[FRAME_WIDTH_BITS+15:16]; // MSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
wire msw_zero= !cmd_data[31:16]; // MSW all bits are 0 - set carry bit
wire lsw13_zero=!(|cmd_data[FRAME_WIDTH_BITS-1:0]); // LSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
// wire msw13_zero=!(|cmd_data[FRAME_WIDTH_BITS+15:16]); // MSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
wire msw_zero= !(|cmd_data[31:16]); // MSW all bits are 0 - set carry bit
// reg [4:0] mode_reg;//mode register: {extra_pages[1:0],write_mode,enable,!reset}
......@@ -180,7 +181,7 @@ module mcntrl_linear_rw #(
else if (set_start_addr_w) start_addr <= cmd_data[NUM_RC_BURST_BITS-1:0];
if (rst) frame_full_width <= 0;
else if (set_frame_width_w) frame_full_width <= {msw13_zero,cmd_data[FRAME_WIDTH_BITS-1:0]};
else if (set_frame_width_w) frame_full_width <= {lsw13_zero,cmd_data[FRAME_WIDTH_BITS-1:0]};
if (rst) begin
window_width <= 0;
......@@ -252,8 +253,10 @@ module mcntrl_linear_rw #(
next_y <= curr_y + 1;
row_left <= window_width - curr_x; // 14 bits - 13 bits
end
/*
if (recalc_r[1]) begin // cycle 2
mem_page_left <= (1 << (COLADDR_NUMBER-3)) - frame_x[COLADDR_NUMBER-4:0];
mem_page_left <= {1'b1,line_start_page_left} - frame_x[COLADDR_NUMBER-4:0];
lim_by_xfer <= (|row_left[FRAME_WIDTH_BITS:NUM_XFER_BITS])?
(1<<NUM_XFER_BITS):
row_left[NUM_XFER_BITS:0]; // 7 bits, max 'h40
......@@ -266,27 +269,53 @@ module mcntrl_linear_rw #(
mem_page_left[NUM_XFER_BITS:0]:
lim_by_xfer[NUM_XFER_BITS:0]);
leftover <= remainder_in_xfer[NUM_XFER_BITS-1:0];
// xfer_num128_r<= (mem_page_left < {{COLADDR_NUMBER-3-NUM_XFER_BITS{1'b0}},lim_by_xfer})?
// mem_page_left[NUM_XFER_BITS:0]:
// lim_by_xfer[NUM_XFER_BITS:0];
end
if (recalc_r[3]) begin // cycle 4
last_in_row <= last_in_row_w;
last_in_row <= last_in_row_w; //(row_left=={{(FRAME_WIDTH_BITS-NUM_XFER_BITS){1'b0}},xfer_num128_r});
end
*/
// registers to be absorbed in DSP block
frame_y8_r <= frame_y[FRAME_HEIGHT_BITS-1:3]; // lat=2
frame_full_width_r <= frame_full_width;
start_addr_r <= start_addr;
mul_rslt <= mul_rslt_w[MPY_WIDTH-1:0]; // frame_y8_r * frame_width_r; // 7 bits will be discarded lat=3;
line_start_addr <= start_addr_r+mul_rslt; // lat=4
// TODO: Verify MPY/register timing above
if (recalc_r[5]) begin // cycle 6
row_col_r <= line_start_addr+frame_x;
// line_start_page_left <= {COLADDR_NUMBER-3{1'b0}} - line_start_addr[COLADDR_NUMBER-4:0]; // 7 bits
line_start_page_left <= - line_start_addr[COLADDR_NUMBER-4:0]; // 7 bits
end
bank_reg[0] <= frame_y[2:0]; //TODO: is it needed - a pipeline for the bank? - remove!
for (i=0;i<2; i = i+1)
bank_reg[i+1] <= bank_reg[i];
if (recalc_r[6]) begin // cycle 7
mem_page_left <= {1'b1,line_start_page_left} - frame_x[COLADDR_NUMBER-4:0];
lim_by_xfer <= (|row_left[FRAME_WIDTH_BITS:NUM_XFER_BITS])?
(1<<NUM_XFER_BITS):
row_left[NUM_XFER_BITS:0]; // 7 bits, max 'h40
end
if (recalc_r[7]) begin // cycle 8
xfer_limited_by_mem_page_r <= xfer_limited_by_mem_page && !continued_xfer;
xfer_num128_r<= continued_xfer?
{EXTRA_BITS,leftover}:
(xfer_limited_by_mem_page?
mem_page_left[NUM_XFER_BITS:0]:
lim_by_xfer[NUM_XFER_BITS:0]);
//xfer_num128_r depends on leftover only if continued_xfer (after first shortened actual xfer and will not change w/o xfers)
// and (next) leftover is only set if continued_xfer==0, so multiple runs without chnge of continued_xfer will not differ
if (!continued_xfer) leftover <= remainder_in_xfer[NUM_XFER_BITS-1:0]; // {EXTRA_BITS, lim_by_xfer}-mem_page_left;
end
if (recalc_r[8]) begin // cycle 9
last_in_row <= last_in_row_w; //(row_left=={{(FRAME_WIDTH_BITS-NUM_XFER_BITS){1'b0}},xfer_num128_r});
end
end
wire start_not_partial= xfer_start_r[0] && !xfer_limited_by_mem_page_r;
// now have row start address, bank and row_left ;
......@@ -364,10 +393,10 @@ wire start_not_partial= xfer_start_r[0] && !xfer_limited_by_mem_page_r;
if (rst) pending_xfers <= 0;
else if (chn_rst || !busy_r) pending_xfers <= 0;
// else if ( xfer_start_r[0] && !xfer_done) pending_xfers <= pending_xfers + 1;
// else if (!xfer_start_r[0] && xfer_done) pending_xfers <= pending_xfers - 1;
else if ( start_not_partial && !xfer_done) pending_xfers <= pending_xfers + 1;
else if (!start_not_partial && xfer_done) pending_xfers <= pending_xfers - 1;
else if ( xfer_start_r[0] && !xfer_done) pending_xfers <= pending_xfers + 1;
else if (!xfer_start_r[0] && xfer_done) pending_xfers <= pending_xfers - 1;
// else if ( start_not_partial && !xfer_done) pending_xfers <= pending_xfers + 1;
// else if (!start_not_partial && xfer_done) pending_xfers <= pending_xfers - 1;
......
memctrl/mcntrl_tiled_rw.v
View file @ 7c5ab53d
......@@ -89,6 +89,7 @@ module mcntrl_tiled_rw#(
reg [FRAME_HEIGHT_BITS-1:0] curr_y; // (calculated) start of transfer y (relative to window top)
reg [FRAME_HEIGHT_BITS:0] next_y; // (calculated) next row number
reg [NUM_RC_BURST_BITS-1:0] line_start_addr;// (calculated) Line start (in {row,col8} in burst8
reg [COLADDR_NUMBER-4:0] line_start_page_left; // number of 8-burst left in the memory page from the start of the frame line
// calculating full width from the frame width
reg [FRAME_HEIGHT_BITS-1:0] frame_y; // current line number referenced to the frame top
reg [FRAME_WIDTH_BITS-1:0] frame_x; // current column number referenced to the frame left
......@@ -145,7 +146,7 @@ module mcntrl_tiled_rw#(
wire set_window_start_w;
wire set_tile_wh_w;
wire lsw13_zero=!(|cmd_data[FRAME_WIDTH_BITS-1:0]); // LSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
wire msw13_zero=!(|cmd_data[FRAME_WIDTH_BITS+15:16]); // MSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
// wire msw13_zero=!(|cmd_data[FRAME_WIDTH_BITS+15:16]); // MSW 13 (FRAME_WIDTH_BITS) low bits are all 0 - set carry bit
wire msw_zero= !(|cmd_data[31:16]); // MSW all bits are 0 - set carry bit
wire tile_width_zero= !(|cmd_data[MAX_TILE_WIDTH-1:0]);
wire tile_height_zero=!(|cmd_data[MAX_TILE_HEIGHT+15:16]);
......@@ -188,7 +189,7 @@ module mcntrl_tiled_rw#(
else if (set_start_addr_w) start_addr <= cmd_data[NUM_RC_BURST_BITS-1:0];
if (rst) frame_full_width <= 0;
else if (set_frame_width_w) frame_full_width <= {msw13_zero,cmd_data[FRAME_WIDTH_BITS-1:0]};
else if (set_frame_width_w) frame_full_width <= {lsw13_zero,cmd_data[FRAME_WIDTH_BITS-1:0]};
if (rst) begin
window_width <= 0;
......@@ -270,7 +271,9 @@ module mcntrl_tiled_rw#(
end
// cycle 2
if (recalc_r[1]) begin
mem_page_left <= (1 << (COLADDR_NUMBER-3)) - frame_x[COLADDR_NUMBER-4:0];
// mem_page_left <= (1 << (COLADDR_NUMBER-3)) - frame_x[COLADDR_NUMBER-4:0];
mem_page_left <= {1'b1,line_start_page_left} - frame_x[COLADDR_NUMBER-4:0];
// lim_by_tile_width <= (|row_left[FRAME_WIDTH_BITS:MAX_TILE_WIDTH])?(1<<MAX_TILE_WIDTH):row_left[MAX_TILE_WIDTH:0]; // 7 bits, max 'h40
lim_by_tile_width <= (|row_left[FRAME_WIDTH_BITS:MAX_TILE_WIDTH] || (row_left[MAX_TILE_WIDTH:0]>= tile_cols))?
tile_cols:
......@@ -300,6 +303,8 @@ module mcntrl_tiled_rw#(
// TODO: Verify MPY/register timing above
if (recalc_r[5]) begin
row_col_r <= line_start_addr+frame_x;
// line_start_page_left <= {COLADDR_NUMBER-3{1'b0}} - line_start_addr[COLADDR_NUMBER-4:0]; // 7 bits
line_start_page_left <= - line_start_addr[COLADDR_NUMBER-4:0]; // 7 bits
end
bank_reg[0] <= frame_y[2:0]; //TODO: is it needed - a pipeline for the bank? - remove!
for (i=0;i<2; i = i+1)
......@@ -367,10 +372,13 @@ wire start_not_partial= xfer_start_r[0] && !xfer_limited_by_mem_page_r;
else if (last_row_w && last_in_row_w) last_block <= 1;
// start_not_partial is not generated when partial (first of 2, caused by a tile crossing memory page) transfer is requested
// here we need to cout all requests - partial or not
if (rst) pending_xfers <= 0;
else if (chn_rst || !busy_r) pending_xfers <= 0;
else if ( start_not_partial && !xfer_page_done) pending_xfers <= pending_xfers + 1;
else if (!start_not_partial && xfer_page_done) pending_xfers <= pending_xfers - 1; // page done is not generated on partial (first) pages
else if ( xfer_start_r[0] && !xfer_page_done) pending_xfers <= pending_xfers + 1;
else if (!xfer_start_r[0] && xfer_page_done) pending_xfers <= pending_xfers - 1; // page done is not generated on partial (first) pages
// else if ( start_not_partial && !xfer_page_done) pending_xfers <= pending_xfers + 1;
// else if (!start_not_partial && xfer_page_done) pending_xfers <= pending_xfers - 1; // page done is not generated on partial (first) pages
if (rst) frame_done_r <= 0;
else frame_done_r <= busy_r && last_block && xfer_page_done && (pending_xfers==0);
......
x393_testbench01.sav
View file @ 7c5ab53d
This diff is collapsed.
x393_testbench01.tf
View file @ 7c5ab53d
......@@ -34,6 +34,7 @@
`define TEST_SCANLINE_WRITE 1
`define TEST_SCANLINE_WRITE_WAIT 1 // wait TEST_SCANLINE_WRITE finished (frame_done)
`define TEST_SCANLINE_READ 1
`define TEST_SCANLINE_READ_SHOW 1
......@@ -395,7 +396,7 @@ always #(CLKIN_PERIOD/2) CLK <= ~CLK;
end
write_contol_register(MCNTRL_TEST01_ADDR + MCNTRL_TEST01_CHN3_MODE, TEST01_NEXT_PAGE);
end
`ifdef TEST_SCANLINE_WRITE_WAIT
`ifdef TEST_SCANLINE_WRITE_WAIT // Does it work?
wait_status_condition ( // may also be read directly from the same bit of mctrl_linear_rw (address=5) status
MCNTRL_TEST01_STATUS_REG_CHN3_ADDR,
MCNTRL_TEST01_ADDR + MCNTRL_TEST01_CHN3_STATUS_CNTRL,
......@@ -427,6 +428,9 @@ always #(CLKIN_PERIOD/2) CLK <= ~CLK;
'hf << 16, // mask for the 4-bit page number
1); // not equal to
// read block (if needed), for now just sikip
`ifdef TEST_SCANLINE_READ_SHOW
read_block_buf_chn (2, (ii & 3), SCANLINE_WINDOW_W << 2, 1 ); // chn=0, page=3, number of 32-bit words=256, wait_done
`endif
write_contol_register(MCNTRL_TEST01_ADDR + MCNTRL_TEST01_CHN2_MODE, TEST01_NEXT_PAGE);
end
`endif
......
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