Skip to content

X
x393
Commit dde1725e authored by Andrey Filippov's avatar Andrey Filippov
Browse files
Options

more simulation

parent f9e935af
Hide whitespace changes
Inline Side-by-side
Showing with 719 additions and 17 deletions
includes/x393_localparams.vh
View file @ dde1725e
...@@ -79,3 +79,9 @@ ...@@ -79,3 +79,9 @@
localparam READ_PATTERN_OFFSET='h40; // read pattern to memory block sequence start address (in words) ..'h053 with 8x2*64 bits (variable) localparam READ_PATTERN_OFFSET='h40; // read pattern to memory block sequence start address (in words) ..'h053 with 8x2*64 bits (variable)
localparam WRITE_BLOCK_OFFSET= 'h100; // write block sequence start address (in words) ..'h14c localparam WRITE_BLOCK_OFFSET= 'h100; // write block sequence start address (in words) ..'h14c
localparam READ_BLOCK_OFFSET= 'h180; // read block sequence start address (in words) localparam READ_BLOCK_OFFSET= 'h180; // read block sequence start address (in words)
localparam STATUS_SEQ_SHFT= 26; // bits [31:26] is the sequence number
localparam STATUS_2LSB_SHFT= 24; // bits [25:24] get the 2 LSB of the status (transmitted with the sequence number in the second byte)
localparam STATUS_MSB_RSHFT= 2; // status bits [25:2] are read through [23:0]
localparam STATUS_PSHIFTER_RDY_MASK = 1<<STATUS_2LSB_SHFT;
\ No newline at end of file
includes/x393_tasks01.vh
View file @ dde1725e
...@@ -56,6 +56,8 @@ ...@@ -56,6 +56,8 @@
wait (!CLK && rvalid && rready); wait (!CLK && rvalid && rready);
wait (CLK); wait (CLK);
registered_rdata <= rdata; registered_rdata <= rdata;
wait (!CLK); // registered_rdata should be valid on exit
end end
endtask endtask
......
phy/mcontr_sequencer.v
View file @ dde1725e
...@@ -395,7 +395,8 @@ module mcontr_sequencer #( ...@@ -395,7 +395,8 @@ module mcontr_sequencer #(
// TODO: status // TODO: status
assign locked=locked_mmcm && locked_pll; assign locked=locked_mmcm && locked_pll;
assign status_data={dly_ready,dci_ready, locked_mmcm, locked_pll, run_busy,locked,ps_rdy,ps_out[7:0]}; // assign status_data={dly_ready,dci_ready, locked_mmcm, locked_pll, run_busy,locked,ps_rdy,ps_out[7:0]};
assign status_data={dly_ready,dci_ready, locked_mmcm, locked_pll, run_busy,ps_out[7:0],locked,ps_rdy};
status_generate #( status_generate #(
.STATUS_REG_ADDR (MCONTR_PHY_STATUS_REG_ADDR), .STATUS_REG_ADDR (MCONTR_PHY_STATUS_REG_ADDR),
.PAYLOAD_BITS (15) .PAYLOAD_BITS (15)
......
x393_testbench01.sav
View file @ dde1725e
[*] [*]
[*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI [*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI
[*] Tue Feb 10 02:20:51 2015 [*] Tue Feb 10 23:41:40 2015
[*] [*]
[dumpfile] "/home/andrey/git/x393/simulation/x393_testbench01-20150209170430851.lxt" [dumpfile] "/home/andrey/git/x393/simulation/x393_testbench01-20150210163649454.lxt"
[dumpfile_mtime] "Tue Feb 10 00:05:13 2015" [dumpfile_mtime] "Tue Feb 10 23:38:44 2015"
[dumpfile_size] 11536611 [dumpfile_size] 33747890
[savefile] "/home/andrey/git/x393/x393_testbench01.sav" [savefile] "/home/andrey/git/x393/x393_testbench01.sav"
[timestart] 100326000 [timestart] 112454000
[size] 1823 1173 [size] 1823 1180
[pos] 1922 0 [pos] 1922 0
*-19.878319 102981300 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 *-19.878319 115110000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[treeopen] x393_testbench01. [treeopen] x393_testbench01.
[treeopen] x393_testbench01.x393_i.
[treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i. [treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i.
[treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i. [treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.
[treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.cmd_deser_16bit_i. [treeopen] x393_testbench01.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.cmd_deser_16bit_i.
...@@ -24,11 +23,51 @@ ...@@ -24,11 +23,51 @@
[sst_vpaned_height] 371 [sst_vpaned_height] 371
@800200 @800200
-top_simulation -top_simulation
@22 @28
x393_testbench01.CLK[0]
@c00022
x393_testbench01.registered_rdata[31:0] x393_testbench01.registered_rdata[31:0]
@28
(0)x393_testbench01.registered_rdata[31:0]
(1)x393_testbench01.registered_rdata[31:0]
(2)x393_testbench01.registered_rdata[31:0]
(3)x393_testbench01.registered_rdata[31:0]
(4)x393_testbench01.registered_rdata[31:0]
(5)x393_testbench01.registered_rdata[31:0]
(6)x393_testbench01.registered_rdata[31:0]
(7)x393_testbench01.registered_rdata[31:0]
(8)x393_testbench01.registered_rdata[31:0]
(9)x393_testbench01.registered_rdata[31:0]
(10)x393_testbench01.registered_rdata[31:0]
(11)x393_testbench01.registered_rdata[31:0]
(12)x393_testbench01.registered_rdata[31:0]
(13)x393_testbench01.registered_rdata[31:0]
(14)x393_testbench01.registered_rdata[31:0]
(15)x393_testbench01.registered_rdata[31:0]
(16)x393_testbench01.registered_rdata[31:0]
(17)x393_testbench01.registered_rdata[31:0]
(18)x393_testbench01.registered_rdata[31:0]
(19)x393_testbench01.registered_rdata[31:0]
(20)x393_testbench01.registered_rdata[31:0]
(21)x393_testbench01.registered_rdata[31:0]
(22)x393_testbench01.registered_rdata[31:0]
(23)x393_testbench01.registered_rdata[31:0]
(24)x393_testbench01.registered_rdata[31:0]
(25)x393_testbench01.registered_rdata[31:0]
(26)x393_testbench01.registered_rdata[31:0]
(27)x393_testbench01.registered_rdata[31:0]
(28)x393_testbench01.registered_rdata[31:0]
(29)x393_testbench01.registered_rdata[31:0]
(30)x393_testbench01.registered_rdata[31:0]
(31)x393_testbench01.registered_rdata[31:0]
@1401200
-group_end
@22
x393_testbench01.read_and_wait_status.address[7:0] x393_testbench01.read_and_wait_status.address[7:0]
x393_testbench01.x393_i.status_rdata[31:0] x393_testbench01.x393_i.status_rdata[31:0]
x393_testbench01.x393_i.axird_rdata[31:0] x393_testbench01.x393_i.axird_rdata[31:0]
x393_testbench01.target_phase[7:0]
x393_testbench01.read_and_wait_status.address[7:0]
@1000200 @1000200
-top_simulation -top_simulation
@200 @200
...@@ -670,7 +709,6 @@ x393_testbench01.x393_i.axibram_read_i.dev_ready[0] ...@@ -670,7 +709,6 @@ x393_testbench01.x393_i.axibram_read_i.dev_ready[0]
x393_testbench01.x393_i.axibram_read_i.last_in_burst_0[0] x393_testbench01.x393_i.axibram_read_i.last_in_burst_0[0]
x393_testbench01.x393_i.axibram_read_i.last_in_burst_1[0] x393_testbench01.x393_i.axibram_read_i.last_in_burst_1[0]
x393_testbench01.x393_i.axibram_read_i.last_in_burst_d_w[0] x393_testbench01.x393_i.axibram_read_i.last_in_burst_d_w[0]
@29
x393_testbench01.x393_i.axibram_read_i.last_in_burst_w[0] x393_testbench01.x393_i.axibram_read_i.last_in_burst_w[0]
@22 @22
x393_testbench01.x393_i.axibram_read_i.next_rd_address_w[12:0] x393_testbench01.x393_i.axibram_read_i.next_rd_address_w[12:0]
......
x393_testbench01.tf
View file @ dde1725e
...@@ -203,11 +203,34 @@ always #(CLKIN_PERIOD/2) CLK <= ~CLK; ...@@ -203,11 +203,34 @@ always #(CLKIN_PERIOD/2) CLK <= ~CLK;
axi_set_rd_lag(0); axi_set_rd_lag(0);
program_status_all(3,'h2a); // mode auto with sequence number increment program_status_all(3,'h2a); // mode auto with sequence number increment
//... //...
set_up; set_up;
wait_phase_shifter_ready;
read_all_status;
// enable output for address/commands to DDR chip
enable_cmda(1);
repeat (16) @(posedge CLK) ;
// remove reset from DDR chip
activate_sdrst(0); // was enabled at system reset
#5000; // actually 500 usec required
repeat (16) @(posedge CLK) ;
enable_cke(1);
repeat (16) @(posedge CLK) ;
/*
run_mrs;
repeat (4) @(posedge CLK) ;
// enable refresh
enable_refresh(1);
read_all_status; #100;
repeat (20) @(posedge CLK) ; */
read_all_status;
#2000; #2000;
$finish; $finish;
end end
...@@ -782,7 +805,7 @@ simul_axi_read simul_axi_read_i( ...@@ -782,7 +805,7 @@ simul_axi_read simul_axi_read_i(
// prepare all sequences // prepare all sequences
set_all_sequences; set_all_sequences;
// prepare write buffer // prepare write buffer
/* write_block_buf; // fill block memory */ write_block_buf; // fill block memory
// set all delays // set all delays
//#axi_set_delays - from tables, per-pin //#axi_set_delays - from tables, per-pin
axi_set_same_delays(DLY_DQ_IDELAY,DLY_DQ_ODELAY,DLY_DQS_IDELAY,DLY_DQS_ODELAY,DLY_DM_ODELAY,DLY_CMDA_ODELAY); axi_set_same_delays(DLY_DQ_IDELAY,DLY_DQ_ODELAY,DLY_DQS_IDELAY,DLY_DQS_ODELAY,DLY_DM_ODELAY,DLY_CMDA_ODELAY);
...@@ -803,7 +826,6 @@ task set_all_sequences; ...@@ -803,7 +826,6 @@ task set_all_sequences;
set_write_lev(16); // write leveling, 16 times (full buffer - 128) set_write_lev(16); // write leveling, 16 times (full buffer - 128)
$display("SET READ PATTERN @ %t",$time); $display("SET READ PATTERN @ %t",$time);
set_read_pattern(8); // 8x2*64 bits, 32x32 bits to read set_read_pattern(8); // 8x2*64 bits, 32x32 bits to read
$display("SET WRITE BLOCK @ %t",$time); $display("SET WRITE BLOCK @ %t",$time);
set_write_block( set_write_block(
3'h5, // bank 3'h5, // bank
...@@ -819,7 +841,631 @@ task set_all_sequences; ...@@ -819,7 +841,631 @@ task set_all_sequences;
); );
end end
endtask endtask
task enable_cmda;
input en;
begin
write_contol_register(MCONTR_PHY_0BIT_ADDR + MCONTR_PHY_0BIT_CMDA_EN + en, 0);
end
endtask
task enable_cke;
input en;
begin
write_contol_register(MCONTR_PHY_0BIT_ADDR + MCONTR_PHY_0BIT_CKE_EN + en, 0);
end
endtask
task activate_sdrst;
input en;
begin
write_contol_register(MCONTR_PHY_0BIT_ADDR + MCONTR_PHY_0BIT_SDRST_ACT + en, 0);
end
endtask
task enable_refresh;
input en;
begin
write_contol_register(MCONTR_PHY_0BIT_ADDR + MCONTR_TOP_0BIT_REFRESH_EN + en, 0);
end
endtask
task write_block_buf;
integer i, j;
begin
$display("**** write_block_buf @%t", $time);
for (i = 0; i < 256; i = i + 16) begin
axi_write_addr_data(
i, // id
MCONTR_BUF1_WR_ADDR + (i << 2), // addr
i | (((i + 7) & 'hff) << 8) | (((i + 23) & 'hff) << 16) | (((i + 31) & 'hff) << 24),
4'hf, // len
1, // burst type - increment
1'b1, // data_en
4'hf, // wstrb
1'b0 // last
);
$display("+Write block data (addr:data): 0x%x:0x%x @%t", i, i | (((i + 7) & 'hff) << 8) | (((i + 23) & 'hff) << 16) | (((i + 31) & 'hff) << 24), $time);
for (j = 1; j < 16; j = j + 1) begin
axi_write_data(
i, // id
(i + j) | ((((i + j) + 7) & 'hff) << 8) | ((((i + j) + 23) & 'hff) << 16) | ((((i + j) + 31) & 'hff) << 24),
4'hf, // wstrb
(1 == 15) ? 1 : 0 // last
);
$display(" Write block data (addr:data): 0x%x:0x%x @%t", (i + j),
(i + j) | ((((i + j) + 7) & 'hff) << 8) | ((((i + j) + 23) & 'hff) << 16) | ((((i + j) + 31) & 'hff) << 24), $time);
end
end
end
endtask
// read memory
task read_block_buf;
input integer num_read; // number of words to read (will be rounded up to multiple of 16)
integer i; //,j;
begin
$display("**** read_block_buf @%t", $time);
axi_set_rd_lag(0);
for (i = 0; i < num_read; i = i + 16) begin
wait(arready);
// $display ("read_block_buf (0x%x) @%t",i,$time);
axi_read_addr(
i, // id
MCONTR_BUF0_RD_ADDR + (i << 2), // addr
4'hf, // len
1 // burst type - increment
);
end
end
endtask
task set_read_block;
input [ 2:0] ba;
input [14:0] ra;
input [ 9:0] ca;
reg [29:0] cmd_addr;
reg [31:0] data;
integer i;
begin
cmd_addr <= MCONTR_CMD_WR_ADDR + READ_BLOCK_OFFSET;
// activate
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( ra[14:0], ba[2:0], 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// see if pause is needed . See when buffer read should be started - maybe before WR command
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// first read
// read
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( {5'b0,ca[9:0]}, ba[2:0], 2, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 0, 0, 1, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
//repeat remaining reads
for (i=1;i<64;i=i+1) begin
// read
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd({5'b0,ca[9:0]}+(i<<3),ba[2:0],2, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
// nop - all 3 below are the same? - just repeat?
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// tRTP = 4*tCK is already satisfied, no skip here
// precharge, end of a page (B_RST)
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( ra[14:0], ba[2:0], 5, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Turn off DCI, set DONE
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
endtask
task set_write_block;
input[2:0]ba;
input[14:0]ra;
input[9:0]ca;
reg[29:0] cmd_addr;
reg[31:0] data;
integer i;
begin
cmd_addr <= MCONTR_CMD_WR_ADDR + WRITE_BLOCK_OFFSET;
// activate
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( ra[14:0], ba[2:0], 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// see if pause is needed . See when buffer read should be started - maybe before WR command
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // tRCD
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// first write
// write
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( {5'b0,ca[9:0]}, ba[2:0], 3, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0); // B_RD moved 1 cycle earlier
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 1, 0, 1, 1, 1, 0, 1, 0, 1, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
//repeat remaining writes
for (i = 1; i < 64; i = i + 1) begin
// write
// add bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( {5'b0,ca[9:0]}, ba[2:0], 3, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 1, 0, 0, 1, 1, 1, 0, 0, 1, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 1, 0, 0, 1, 1, 1, 0, 0, 0, 1); // removed B_RD 1 cycle earlier
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, ba[2:0], 1, 0, 0, 1, 1, 1, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// ODT off, it has latency
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 2, 0, ba[2:0], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// precharge, ODT off
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( ra[14:0], ba[2:0], 5, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 2, 0, ba[2:0], 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Finalize, set DONE
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
endtask
// Set MR3, read nrep*8 words, save to buffer (port0). No ACTIVATE/PRECHARGE are needed/allowed
task set_read_pattern;
input integer nrep;
// input [ 2:0] ba;
// input [14:0] ra;
// input [ 9:0] ca;
reg[29:0] cmd_addr;
reg[31:0] data;
reg[17:0] mr3_norm;
reg[17:0] mr3_patt;
integer i;
begin
cmd_addr <= MCONTR_CMD_WR_ADDR + READ_PATTERN_OFFSET;
mr3_norm <= ddr3_mr3(
1'h0, // mpr; // MPR mode: 0 - normal, 1 - dataflow from MPR
2'h0); // [1:0] mpr_rf; // MPR read function: 2'b00: predefined pattern 0101...
mr3_patt <= ddr3_mr3(
1'h1, // mpr; // MPR mode: 0 - normal, 1 - dataflow from MPR
2'h0); // [1:0] mpr_rf; // MPR read function: 2'b00: predefined pattern 0101...
// Set pattern mode
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr3_patt[14:0], mr3_patt[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // tMOD
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// first read
// read
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop (combine with previous?)
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
//repeat remaining reads
for (i = 1; i < nrep; i = i + 1) begin
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( 0, 0, 2, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
// nop - all 3 below are the same? - just repeat?
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// nop, no write buffer - next page
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Turn off read pattern mode
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr3_norm[14:0], mr3_norm[17:15], 7, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// tMOD (keep DCI enabled)
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 5, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Turn off DCI
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Finalize (set DONE)
data <= func_encode_skip( 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
endtask
task set_write_lev;
input[CMD_PAUSE_BITS-1:0]nrep;
reg[17:0] mr1_norm;
reg[17:0] mr1_wlev;
reg[29:0] cmd_addr;
reg[31:0] data;
reg[CMD_PAUSE_BITS-1:0] dqs_low_rpt;
reg[CMD_PAUSE_BITS-1:0] nrep_minus_1;
begin
dqs_low_rpt <= 8;
nrep_minus_1 <= nrep - 1;
mr1_norm <= ddr3_mr1(
1'h0, // qoff; // output enable: 0 - DQ, DQS operate in normal mode, 1 - DQ, DQS are disabled
1'h0, // tdqs; // termination data strobe (for x8 devices) 0 - disabled, 1 - enabled
3'h2, // [2:0] rtt; // on-die termination resistance: // 3'b010 - RZQ/2 (120 Ohm)
1'h0, // wlev; // write leveling
2'h0, // ods; // output drive strength: // 2'b00 - RZQ/6 - 40 Ohm
2'h0, // [1:0] al; // additive latency: 2'b00 - disabled (AL=0)
1'b0); // dll; // 0 - DLL enabled (normal), 1 - DLL disabled
mr1_wlev <= ddr3_mr1(
1'h0, // qoff; // output enable: 0 - DQ, DQS operate in normal mode, 1 - DQ, DQS are disabled
1'h0, // tdqs; // termination data strobe (for x8 devices) 0 - disabled, 1 - enabled
3'h2, // [2:0] rtt; // on-die termination resistance: // 3'b010 - RZQ/2 (120 Ohm)
1'h1, // wlev; // write leveling
2'h0, // ods; // output drive strength: // 2'b00 - RZQ/6 - 40 Ohm
2'h0, // [1:0] al; // additive latency: 2'b00 - disabled (AL=0)
1'b0); // dll; // 0 - DLL enabled (normal), 1 - DLL disabled
cmd_addr <= MCONTR_CMD_WR_ADDR + WRITELEV_OFFSET;
// Enter write leveling mode
@(posedge CLK)
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr1_wlev[14:0], mr1_wlev[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // tWLDQSEN=25tCK
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// enable DQS output, keep it low (15 more tCK for the total of 40 tCK
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip(dqs_low_rpt, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Toggle DQS as needed for write leveling, write to buffer
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip(nrep_minus_1,0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// continue toggling (5 times), but disable writing to buffer (used same wbuf latency as for read)
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 4, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Keep DCI (but not ODT) active ODT should be off befor MRS
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// exit write leveling mode, ODT off, DCI off
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr1_norm[14:0], mr1_norm[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); // tMOD
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Finalize. See if DONE can be combined with B_RST, if not - insert earlier
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1); // can DONE be combined with B_RST?
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
endtask
task set_refresh;
input[9:0]t_rfc; // =50 for tCK=2.5ns
input[7:0]t_refi; // 48/97 for normal, 8 - for simulation
reg[29:0] cmd_addr;
reg[31:0] data;
begin
cmd_addr <= MCONTR_CMD_WR_ADDR + REFRESH_OFFSET;
@(posedge CLK)
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd( 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// =50 tREFI=260 ns before next ACTIVATE or REFRESH, @2.5ns clock, @5ns cycle
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( t_rfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// Ready for normal operation
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// write_contol_register(DLY_SET,0);
write_contol_register(MCONTR_PHY_16BIT_ADDR + MCONTR_TOP_16BIT_REFRESH_ADDRESS, REFRESH_OFFSET);
write_contol_register(MCONTR_PHY_16BIT_ADDR + MCONTR_TOP_16BIT_REFRESH_PERIOD, {24'h0,t_refi});
// enable refresh - should it be done here?
// write_contol_register(MCONTR_PHY_0BIT_ADDR + MCONTR_TOP_0BIT_REFRESH_EN + 1, 0);
end
endtask
task set_mrs; // will also calibrate ZQ
input reset_dll;
reg[17:0] mr0;
reg[17:0] mr1;
reg[17:0] mr2;
reg[17:0] mr3;
reg[29:0] cmd_addr;
reg[31:0] data;
begin
mr0 <= ddr3_mr0(
1'h0, // pd; // precharge power down 0 - dll off (slow exit), 1 - dll on (fast exit)
3'h2, // [2:0] wr; // write recovery (encode ceil(tWR/tCK)) // 3'b010: 6
reset_dll, // dll_rst; // 1 - dll reset (self clearing bit)
4'h4, // [3:0] cl; // CAS latency: // 0100: 6 (time 15ns)
1'h0, // bt; // read burst type: 0 sequential (nibble), 1 - interleave
2'h0); // [1:0] bl; // burst length: // 2'b00 - fixed BL8
mr1 <= ddr3_mr1(
1'h0, // qoff; // output enable: 0 - DQ, DQS operate in normal mode, 1 - DQ, DQS are disabled
1'h0, // tdqs; // termination data strobe (for x8 devices) 0 - disabled, 1 - enabled
3'h2, // [2:0] rtt; // on-die termination resistance: // 3'b010 - RZQ/2 (120 Ohm)
1'h0, // wlev; // write leveling
2'h0, // ods; // output drive strength: // 2'b00 - RZQ/6 - 40 Ohm
2'h0, // [1:0] al; // additive latency: 2'b00 - disabled (AL=0)
1'b0); // dll; // 0 - DLL enabled (normal), 1 - DLL disabled
mr2 <= ddr3_mr2(
2'h0, // [1:0] rtt_wr; // Dynamic ODT : // 2'b00 - disabled, 2'b01 - RZQ/4 = 60 Ohm, 2'b10 - RZQ/2 = 120 Ohm
1'h0, // srt; // Self-refresh temperature 0 - normal (0-85C), 1 - extended (<=95C)
1'h0, // asr; // Auto self-refresh 0 - disabled (manual), 1 - enabled (auto)
3'h0); // [2:0] cwl; // CAS write latency:3'b000 5CK (tCK >= 2.5ns), 3'b001 6CK (1.875ns <= tCK < 2.5ns)
mr3 <= ddr3_mr3(
1'h0, // mpr; // MPR mode: 0 - normal, 1 - dataflow from MPR
2'h0); // [1:0] mpr_rf; // MPR read function: 2'b00: predefined pattern 0101...
cmd_addr <= MCONTR_CMD_WR_ADDR + INITIALIZE_OFFSET;
@(posedge CLK)
$display("mr0=0x%x", mr0);
$display("mr1=0x%x", mr1);
$display("mr2=0x%x", mr2);
$display("mr3=0x%x", mr3);
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr2[14:0], mr2[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr3[14:0], mr3[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr1[14:0], mr1[17:15], 7, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0); // SEL==1 - just testing?
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(mr0[14:0], mr0[17:15], 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// encode ZQCL:
// addr bank RCW ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD NOP, B_RST
data <= func_encode_cmd(15'h400, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// 512 clock cycles after ZQCL
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
// sequence done bit, skip length is ignored
// skip done bank ODT CKE SEL DQEN DQSEN DQSTGL DCI B_WR B_RD B_RST
data <= func_encode_skip( 10, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
@(posedge CLK) axi_write_single_w(cmd_addr, data); cmd_addr <= cmd_addr + 1;
end
endtask
/*
function [31:0] encode_seq_skip;
input [CMD_PAUSE_BITS-1:0] skip;
input done;
input dci_en;
input odt_en;
begin
encode_seq_skip={
{14-CMD_DONE_BIT{1'b0}},
done,
skip[CMD_PAUSE_BITS-1:0],
3'b0, //phy_bank_in[2:0],
3'b0, // phy_rcw_in[2:0], // {ras,cas,we}
odt_en, // phy_odt_in,
1'b0, // phy_cke_in, // may be optimized?
1'b0, // phy_sel_in, // first/second half-cycle, other will be nop (cke+odt applicable to both)
1'b0, // phy_dq_en_in, //phy_dq_tri_in, // tristate DQ lines (internal timing sequencer for 0->1 and 1->0)
1'b0, // phy_dqs_en_in, //phy_dqs_tri_in, // tristate DQS lines (internal timing sequencer for 0->1 and 1->0)
1'b0, //enable toggle DQS according to the pattern
dci_en, // phy_dci_en_in, //phy_dci_in, // DCI disable, both DQ and DQS lines (internal logic and timing sequencer for 0->1 and 1->0)
1'b0, // phy_buf_wr, // connect to external buffer (but only if not paused)
1'b0, // phy_buf_rd, // connect to external buffer (but only if not paused)
1'b0, // add NOP after the current command, keep other data
1'b0 // Reserved for future use
};
end
endfunction
*/
function [ADDRESS_NUMBER+2:0] ddr3_mr0;
input pd; // precharge power down 0 - dll off (slow exit), 1 - dll on (fast exit)
input [2:0] wr; // write recovery:
// 3'b000: 16
// 3'b001: 5
// 3'b010: 6
// 3'b011: 7
// 3'b100: 8
// 3'b101: 10
// 3'b110: 12
// 3'b111: 14
input dll_rst; // 1 - dll reset (self clearing bit)
input [3:0] cl; // CAS latency (>=15ns):
// 0000: reserved
// 0010: 5
// 0100: 6
// 0110: 7
// 1000: 8
// 1010: 9
// 1100: 10
// 1110: 11
// 0001: 12
// 0011: 13
// 0101: 14
input bt; // read burst type: 0 sequential (nibble), 1 - interleaved
input [1:0] bl; // burst length:
// 2'b00 - fixed BL8
// 2'b01 - 4 or 8 on-the-fly by A12
// 2'b10 - fixed BL4 (chop)
// 2'b11 - reserved
begin
ddr3_mr0 = {
3'b0,
{ADDRESS_NUMBER-13{1'b0}},
pd, // MR0.12
wr, // MR0.11_9
dll_rst, // MR0.8
1'b0, // MR0.7
cl[3:1], // MR0.6_4
bt, // MR0.3
cl[0], // MR0.2
bl[1:0]}; // MR0.1_0
end
endfunction
function [ADDRESS_NUMBER+2:0] ddr3_mr1;
input qoff; // output enable: 0 - DQ, DQS operate in normal mode, 1 - DQ, DQS are disabled
input tdqs; // termination data strobe (for x8 devices) 0 - disabled, 1 - enabled
input [2:0] rtt; // on-die termination resistance:
// 3'b000 - disabled
// 3'b001 - RZQ/4 (60 Ohm)
// 3'b010 - RZQ/2 (120 Ohm)
// 3'b011 - RZQ/6 (40 Ohm)
// 3'b100 - RZQ/12(20 Ohm)
// 3'b101 - RZQ/8 (30 Ohm)
// 3'b11x - reserved
input wlev; // write leveling
input [1:0] ods; // output drive strength:
// 2'b00 - RZQ/6 - 40 Ohm
// 2'b01 - RZQ/7 - 34 Ohm
// 2'b1x - reserved
input [1:0] al; // additive latency:
// 2'b00 - disabled (AL=0)
// 2'b01 - AL=CL-1;
// 2'b10 - AL=CL-2
// 2'b11 - reserved
input dll; // 0 - DLL enabled (normal), 1 - DLL disabled
begin
ddr3_mr1 = {
3'h1,
{ADDRESS_NUMBER-13{1'b0}},
qoff, // MR1.12
tdqs, // MR1.11
1'b0, // MR1.10
rtt[2], // MR1.9
1'b0, // MR1.8
wlev, // MR1.7
rtt[1], // MR1.6
ods[1], // MR1.5
al[1:0], // MR1.4_3
rtt[0], // MR1.2
ods[0], // MR1.1
dll}; // MR1.0
end
endfunction
function [ADDRESS_NUMBER+2:0] ddr3_mr2;
input [1:0] rtt_wr; // Dynamic ODT :
// 2'b00 - disabled
// 2'b01 - RZQ/4 = 60 Ohm
// 2'b10 - RZQ/2 = 120 Ohm
// 2'b11 - reserved
input srt; // Self-refresh temperature 0 - normal (0-85C), 1 - extended (<=95C)
input asr; // Auto self-refresh 0 - disabled (manual), 1 - enabled (auto)
input [2:0] cwl; // CAS write latency:
// 3'b000 5CK ( tCK >= 2.5ns)
// 3'b001 6CK (1.875ns <= tCK < 2.5ns)
// 3'b010 7CK (1.5ns <= tCK < 1.875ns)
// 3'b011 8CK (1.25ns <= tCK < 1.5ns)
// 3'b100 9CK (1.071ns <= tCK < 1.25ns)
// 3'b101 10CK (0.938ns <= tCK < 1.071ns)
// 3'b11x reserved
begin
ddr3_mr2 = {
3'h2,
{ADDRESS_NUMBER-11{1'b0}},
rtt_wr[1:0], // MR2.10_9
1'b0, // MR2.8
srt, // MR2.7
asr, // MR2.6
cwl[2:0], // MR2.5_3
3'b0}; // MR2.2_0
end
endfunction
function [ADDRESS_NUMBER+2:0] ddr3_mr3;
input mpr; // MPR mode: 0 - normal, 1 - dataflow from MPR
input [1:0] mpr_rf; // MPR read function:
// 2'b00: predefined pattern 0101...
// 2'b1x, 2'bx1 - reserved
begin
ddr3_mr3 = {
3'h3,
{ADDRESS_NUMBER-3{1'b0}},
mpr, // MR3.2
mpr_rf[1:0]}; // MR3.1_0
end
endfunction
task axi_set_same_delays; task axi_set_same_delays;
input [7:0] dq_idelay; input [7:0] dq_idelay;
input [7:0] dq_odelay; input [7:0] dq_odelay;
...@@ -940,6 +1586,15 @@ endtask ...@@ -940,6 +1586,15 @@ endtask
end end
endtask endtask
task wait_phase_shifter_ready;
begin
read_and_wait_status(MCONTR_PHY_STATUS_REG_ADDR);
while (((registered_rdata & STATUS_PSHIFTER_RDY_MASK) == 0) || (((registered_rdata ^ {24'h0,target_phase}) & 'hff) != 0)) begin
read_and_wait_status(MCONTR_PHY_STATUS_REG_ADDR);
end
end
endtask
task read_all_status; task read_all_status;
begin begin
read_and_wait_status (MCONTR_PHY_STATUS_REG_ADDR); read_and_wait_status (MCONTR_PHY_STATUS_REG_ADDR);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment