URL
https://opencores.org/ocsvn/wb_async_mem_bridge/wb_async_mem_bridge/trunk
Subversion Repositories wb_async_mem_bridge
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Rev 5 → Rev 6
/src/sync.v
1,26 → 1,26
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module sync ( |
input async_sig, |
output sync_out, |
|
input clk |
); |
|
reg [1:2] resync; |
|
always @(posedge clk) |
begin |
// update history shifter. |
resync <= {async_sig , resync[1]}; |
end |
|
assign sync_out = resync[2]; |
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module sync ( |
input async_sig, |
output sync_out, |
|
input clk |
); |
|
reg [1:2] resync; |
|
always @(posedge clk) |
begin |
// update history shifter. |
resync <= {async_sig , resync[1]}; |
end |
|
assign sync_out = resync[2]; |
|
endmodule |
|
/src/wb_async_mem_bridge.v
1,161 → 1,161
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
wb_async_mem_bridge |
#( |
parameter DW = 32, |
parameter AW = 32 |
) |
( |
input [(DW-1):0] wb_data_i, |
output [(DW-1):0] wb_data_o, |
output [(AW-1):0] wb_addr_o, |
output [3:0] wb_sel_o, |
output wb_we_o, |
output wb_cyc_o, |
output wb_stb_o, |
input wb_ack_i, |
input wb_err_i, |
input wb_rty_i, |
|
inout [(DW-1):0] mem_d, |
input [(AW-1):0] mem_a, |
input mem_oe_n, |
input [3:0] mem_bls_n, |
input mem_we_n, |
input mem_cs_n, |
|
input wb_clk_i, |
input wb_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// sync data & bls |
wire [(DW-1):0] sync_mem_d; |
wire [(AW-1):0] sync_mem_a; |
wire [3:0] sync_mem_bls_n; |
|
genvar i; |
|
generate |
for( i = 0; i < DW; i = i + 1 ) |
begin: sync_data_loop |
sync i_sync( .async_sig(mem_d[i]), .sync_out(sync_mem_d[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
generate |
for( i = 0; i < AW; i = i + 1 ) |
begin: sync_addr_loop |
sync i_sync( .async_sig(mem_a[i]), .sync_out(sync_mem_a[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
generate |
for( i = 0; i < 4; i = i + 1 ) |
begin: sync_bls_loop |
sync i_sync( .async_sig(mem_bls_n[i]), .sync_out(sync_mem_bls_n[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
|
// -------------------------------------------------------------------- |
// sync mem_cs_n & mem_oe_n & mem_we_n |
wire sync_mem_oe_n, sync_mem_oe_n_rise, sync_mem_oe_n_fall; |
wire sync_mem_cs_n; |
wire sync_mem_we_n, sync_mem_we_n_rise, sync_mem_we_n_fall; |
|
sync_edge_detect |
i_sync_mem_oe_n( |
.async_sig(mem_oe_n), |
.sync_out(sync_mem_oe_n), |
.clk(wb_clk_i), |
.rise(sync_mem_oe_n_rise), |
.fall(sync_mem_oe_n_fall) |
); |
|
sync |
i_sync_mem_cs_n( |
.async_sig(mem_cs_n), |
.sync_out(sync_mem_cs_n), |
.clk(wb_clk_i) |
); |
|
sync_edge_detect |
i_sync_mem_we_n( |
.async_sig(mem_we_n), |
.sync_out(sync_mem_we_n), |
.clk(wb_clk_i), |
.rise(sync_mem_we_n_rise), |
.fall(sync_mem_we_n_fall) |
); |
|
|
// -------------------------------------------------------------------- |
// state machine |
wb_async_mem_sm #( .DW(DW), .AW(AW) ) |
i_wb_async_mem_sm |
( |
.wb_data_i(wb_data_i), |
// .wb_data_o(wb_data_o), |
.wb_addr_i(wb_addr_o), |
// .wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d(sync_mem_d), |
.mem_a(sync_mem_a), |
.mem_oe_n(sync_mem_oe_n), |
.mem_bls_n(sync_mem_bls_n), |
.mem_we_n(sync_mem_we_n), |
.mem_cs_n(sync_mem_cs_n), |
|
.mem_we_n_fall(sync_mem_we_n_fall), |
.mem_oe_n_fall(sync_mem_oe_n_fall), |
|
.wb_clk_i(wb_clk_i), |
.wb_rst_i(wb_rst_i) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_data_i flop |
reg [(DW-1):0] wb_data_i_r; |
|
always @(posedge wb_clk_i) |
if(wb_ack_i) |
wb_data_i_r <= wb_data_i; |
|
|
// -------------------------------------------------------------------- |
// wb_data_o flop |
reg [(DW-1):0] wb_data_o_r; |
|
always @(posedge wb_clk_i) |
if(~sync_mem_we_n) |
wb_data_o_r <= sync_mem_d; |
|
|
// -------------------------------------------------------------------- |
// outputs |
|
assign mem_d = (~sync_mem_oe_n & ~sync_mem_cs_n ) ? wb_data_i_r : 'bz; |
|
assign wb_addr_o = sync_mem_a; |
assign wb_data_o = wb_data_o_r; |
assign wb_sel_o = ~sync_mem_bls_n; |
|
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
wb_async_mem_bridge |
#( |
parameter DW = 32, |
parameter AW = 32 |
) |
( |
input [(DW-1):0] wb_data_i, |
output [(DW-1):0] wb_data_o, |
output [(AW-1):0] wb_addr_o, |
output [3:0] wb_sel_o, |
output wb_we_o, |
output wb_cyc_o, |
output wb_stb_o, |
input wb_ack_i, |
input wb_err_i, |
input wb_rty_i, |
|
inout [(DW-1):0] mem_d, |
input [(AW-1):0] mem_a, |
input mem_oe_n, |
input [3:0] mem_bls_n, |
input mem_we_n, |
input mem_cs_n, |
|
input wb_clk_i, |
input wb_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// sync data & bls |
wire [(DW-1):0] sync_mem_d; |
wire [(AW-1):0] sync_mem_a; |
wire [3:0] sync_mem_bls_n; |
|
genvar i; |
|
generate |
for( i = 0; i < DW; i = i + 1 ) |
begin: sync_data_loop |
sync i_sync( .async_sig(mem_d[i]), .sync_out(sync_mem_d[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
generate |
for( i = 0; i < AW; i = i + 1 ) |
begin: sync_addr_loop |
sync i_sync( .async_sig(mem_a[i]), .sync_out(sync_mem_a[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
generate |
for( i = 0; i < 4; i = i + 1 ) |
begin: sync_bls_loop |
sync i_sync( .async_sig(mem_bls_n[i]), .sync_out(sync_mem_bls_n[i]), .clk(wb_clk_i) ); |
end |
endgenerate |
|
|
// -------------------------------------------------------------------- |
// sync mem_cs_n & mem_oe_n & mem_we_n |
wire sync_mem_oe_n, sync_mem_oe_n_rise, sync_mem_oe_n_fall; |
wire sync_mem_cs_n; |
wire sync_mem_we_n, sync_mem_we_n_rise, sync_mem_we_n_fall; |
|
sync_edge_detect |
i_sync_mem_oe_n( |
.async_sig(mem_oe_n), |
.sync_out(sync_mem_oe_n), |
.clk(wb_clk_i), |
.rise(sync_mem_oe_n_rise), |
.fall(sync_mem_oe_n_fall) |
); |
|
sync |
i_sync_mem_cs_n( |
.async_sig(mem_cs_n), |
.sync_out(sync_mem_cs_n), |
.clk(wb_clk_i) |
); |
|
sync_edge_detect |
i_sync_mem_we_n( |
.async_sig(mem_we_n), |
.sync_out(sync_mem_we_n), |
.clk(wb_clk_i), |
.rise(sync_mem_we_n_rise), |
.fall(sync_mem_we_n_fall) |
); |
|
|
// -------------------------------------------------------------------- |
// state machine |
wb_async_mem_sm #( .DW(DW), .AW(AW) ) |
i_wb_async_mem_sm |
( |
.wb_data_i(wb_data_i), |
// .wb_data_o(wb_data_o), |
.wb_addr_i(wb_addr_o), |
// .wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d(sync_mem_d), |
.mem_a(sync_mem_a), |
.mem_oe_n(sync_mem_oe_n), |
.mem_bls_n(sync_mem_bls_n), |
.mem_we_n(sync_mem_we_n), |
.mem_cs_n(sync_mem_cs_n), |
|
.mem_we_n_fall(sync_mem_we_n_fall), |
.mem_oe_n_fall(sync_mem_oe_n_fall), |
|
.wb_clk_i(wb_clk_i), |
.wb_rst_i(wb_rst_i) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_data_i flop |
reg [(DW-1):0] wb_data_i_r; |
|
always @(posedge wb_clk_i) |
if(wb_ack_i) |
wb_data_i_r <= wb_data_i; |
|
|
// -------------------------------------------------------------------- |
// wb_data_o flop |
reg [(DW-1):0] wb_data_o_r; |
|
always @(posedge wb_clk_i) |
if(~sync_mem_we_n) |
wb_data_o_r <= sync_mem_d; |
|
|
// -------------------------------------------------------------------- |
// outputs |
|
assign mem_d = (~sync_mem_oe_n & ~sync_mem_cs_n ) ? wb_data_i_r : 'bz; |
|
assign wb_addr_o = sync_mem_a; |
assign wb_data_o = wb_data_o_r; |
assign wb_sel_o = ~sync_mem_bls_n; |
|
|
endmodule |
|
/src/test_harness.v
1,96 → 1,96
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
test_harness( |
inout [35:0] gpio_0, |
inout [35:0] gpio_1, |
|
input sys_clk_i, |
input sys_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// wb_async_mem_bridge |
wire [31:0] wb_data_i; |
wire [31:0] wb_data_o; |
wire [31:0] wb_addr_o; |
wire [3:0] wb_sel_o; |
wire wb_we_o; |
wire wb_cyc_o; |
wire wb_stb_o; |
wire wb_ack_i; |
wire wb_err_i; |
wire wb_rty_i; |
|
wb_async_mem_bridge i_wb_async_mem_bridge( |
.wb_data_i(wb_data_i), |
.wb_data_o(wb_data_o), |
.wb_addr_o(wb_addr_o), |
.wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d( gpio_1[31:0] ), |
.mem_a( {8'h00, gpio_0[23:0]} ), |
.mem_oe_n( gpio_0[30] ), |
.mem_bls_n( { gpio_0[26], gpio_0[27], gpio_0[28], gpio_0[29] } ), |
.mem_we_n( gpio_0[25] ), |
.mem_cs_n( gpio_0[24] ), |
|
.wb_clk_i(sys_clk_i), |
.wb_rst_i(sys_rst_i) |
); |
|
|
|
// -------------------------------------------------------------------- |
// soc_ram |
soc_ram |
i_soc_ram_0( |
.data(wb_data_o[7:0]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[0]), |
.clk(sys_clk_i), |
.q(wb_data_i[7:0]) |
); |
|
soc_ram |
i_soc_ram_1( |
.data(wb_data_o[15:8]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[1]), |
.clk(sys_clk_i), |
.q(wb_data_i[15:8]) |
); |
|
soc_ram |
i_soc_ram_2( |
.data(wb_data_o[23:16]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[2]), |
.clk(sys_clk_i), |
.q(wb_data_i[23:16]) |
); |
|
soc_ram |
i_soc_ram_3( |
.data(wb_data_o[31:24]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[3]), |
.clk(sys_clk_i), |
.q(wb_data_i[31:24]) |
); |
|
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
test_harness( |
inout [35:0] gpio_0, |
inout [35:0] gpio_1, |
|
input sys_clk_i, |
input sys_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// wb_async_mem_bridge |
wire [31:0] wb_data_i; |
wire [31:0] wb_data_o; |
wire [31:0] wb_addr_o; |
wire [3:0] wb_sel_o; |
wire wb_we_o; |
wire wb_cyc_o; |
wire wb_stb_o; |
wire wb_ack_i; |
wire wb_err_i; |
wire wb_rty_i; |
|
wb_async_mem_bridge i_wb_async_mem_bridge( |
.wb_data_i(wb_data_i), |
.wb_data_o(wb_data_o), |
.wb_addr_o(wb_addr_o), |
.wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d( gpio_1[31:0] ), |
.mem_a( {8'h00, gpio_0[23:0]} ), |
.mem_oe_n( gpio_0[30] ), |
.mem_bls_n( { gpio_0[26], gpio_0[27], gpio_0[28], gpio_0[29] } ), |
.mem_we_n( gpio_0[25] ), |
.mem_cs_n( gpio_0[24] ), |
|
.wb_clk_i(sys_clk_i), |
.wb_rst_i(sys_rst_i) |
); |
|
|
|
// -------------------------------------------------------------------- |
// soc_ram |
soc_ram |
i_soc_ram_0( |
.data(wb_data_o[7:0]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[0]), |
.clk(sys_clk_i), |
.q(wb_data_i[7:0]) |
); |
|
soc_ram |
i_soc_ram_1( |
.data(wb_data_o[15:8]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[1]), |
.clk(sys_clk_i), |
.q(wb_data_i[15:8]) |
); |
|
soc_ram |
i_soc_ram_2( |
.data(wb_data_o[23:16]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[2]), |
.clk(sys_clk_i), |
.q(wb_data_i[23:16]) |
); |
|
soc_ram |
i_soc_ram_3( |
.data(wb_data_o[31:24]), |
.addr(wb_addr_o[7:2]), |
.we(wb_we_o & wb_stb_o & wb_sel_o[3]), |
.clk(sys_clk_i), |
.q(wb_data_i[31:24]) |
); |
|
|
endmodule |
|
/src/top.v
1,166 → 1,166
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module top( |
//////////////////////// Clock Input //////////////////////// |
input [1:0] clock_24, // 24 MHz |
input [1:0] clock_27, // 27 MHz |
input clock_50, // 50 MHz |
input ext_clock, // External Clock |
//////////////////////// Push Button //////////////////////// |
input [3:0] key, // Pushbutton[3:0] |
//////////////////////// DPDT Switch //////////////////////// |
input [9:0] sw, // Toggle Switch[9:0] |
//////////////////////// 7-SEG Dispaly //////////////////////// |
output [6:0] hex0, // Seven Segment Digit 0 |
output [6:0] hex1, // Seven Segment Digit 1 |
output [6:0] hex2, // Seven Segment Digit 2 |
output [6:0] hex3, // Seven Segment Digit 3 |
//////////////////////////// LED //////////////////////////// |
output [7:0] ledg, // LED Green[7:0] |
output [9:0] ledr, // LED Red[9:0] |
//////////////////////////// UART //////////////////////////// |
output uart_txd, // UART Transmitter |
input uart_rxd, // UART Receiver |
/////////////////////// SDRAM Interface //////////////////////// |
inout [15:0] dram_dq, // SDRAM Data bus 16 Bits |
output [11:0] dram_addr, // SDRAM Address bus 12 Bits |
output dram_ldqm, // SDRAM Low-byte Data Mask |
output dram_udqm, // SDRAM High-byte Data Mask |
output dram_we_n, // SDRAM Write Enable |
output dram_cas_n, // SDRAM Column Address Strobe |
output dram_ras_n, // SDRAM Row Address Strobe |
output dram_cs_n, // SDRAM Chip Select |
output dram_ba_0, // SDRAM Bank Address 0 |
output dram_ba_1, // SDRAM Bank Address 0 |
output dram_clk, // SDRAM Clock |
output dram_cke, // SDRAM Clock Enable |
//////////////////////// Flash Interface //////////////////////// |
inout [7:0] fl_dq, // FLASH Data bus 8 Bits |
output [21:0] fl_addr, // FLASH Address bus 22 Bits |
output fl_we_n, // FLASH Write Enable |
output fl_rst_n, // FLASH Reset |
output fl_oe_n, // FLASH Output Enable |
output fl_ce_n, // FLASH Chip Enable |
//////////////////////// SRAM Interface //////////////////////// |
inout [15:0] sram_dq, // SRAM Data bus 16 Bits |
output [17:0] sram_addr, // SRAM Address bus 18 Bits |
output sram_ub_n, // SRAM High-byte Data Mask |
output sram_lb_n, // SRAM Low-byte Data Mask |
output sram_we_n, // SRAM Write Enable |
output sram_ce_n, // SRAM Chip Enable |
output sram_oe_n, // SRAM Output Enable |
//////////////////// SD Card Interface //////////////////////// |
inout sd_dat, // SD Card Data |
inout sd_dat3, // SD Card Data 3 |
inout sd_cmd, // SD Card Command Signal |
output sd_clk, // SD Card Clock |
//////////////////////// I2C //////////////////////////////// |
inout i2c_sdat, // I2C Data |
output i2c_sclk, // I2C Clock |
//////////////////////// PS2 //////////////////////////////// |
input ps2_dat, // PS2 Data |
input ps2_clk, // PS2 Clock |
//////////////////// USB JTAG link //////////////////////////// |
input tdi, // CPLD -> FPGA (data in) |
input tck, // CPLD -> FPGA (clk) |
input tcs, // CPLD -> FPGA (CS) |
output tdo, // FPGA -> CPLD (data out) |
//////////////////////// VGA //////////////////////////// |
output vga_hs, // VGA H_SYNC |
output vga_vs, // VGA V_SYNC |
output [3:0] vga_r, // VGA Red[3:0] |
output [3:0] vga_g, // VGA Green[3:0] |
output [3:0] vga_b, // VGA Blue[3:0] |
//////////////////// Audio CODEC //////////////////////////// |
inout aud_adclrck, // Audio CODEC ADC LR Clock |
input aud_adcdat, // Audio CODEC ADC Data |
inout aud_daclrck, // Audio CODEC DAC LR Clock |
output aud_dacdat, // Audio CODEC DAC Data |
inout aud_bclk, // Audio CODEC Bit-Stream Clock |
output aud_xck, // Audio CODEC Chip Clock |
//////////////////////// GPIO //////////////////////////////// |
inout [35:0] gpio_0, // GPIO Connection 0 |
inout [35:0] gpio_1 // GPIO Connection 1 |
); |
|
|
//--------------------------------------------------- |
// system wires |
wire reset_switch; |
wire sysclk = clock_24[0]; |
|
|
//--------------------------------------------------- |
// sync reset |
sync |
i_sync_reset( |
.async_sig(~key[0]), |
.sync_out(reset_switch), |
.clk(sysclk) |
); |
|
|
//--------------------------------------------------- |
// FLED |
reg [24:0] counter; |
wire [7:0] fled; |
|
always @(posedge sysclk or posedge reset_switch) |
if(reset_switch) |
counter <= 25'b0; |
else |
counter <= counter + 1; |
|
assign fled[0] = sw[0]; |
assign fled[1] = sw[1]; |
assign fled[2] = sw[2]; |
assign fled[3] = sw[3]; |
assign fled[4] = sw[4]; |
assign fled[5] = sw[5]; |
assign fled[6] = sw[6]; |
assign fled[7] = counter[24]; |
|
|
//--------------------------------------------------- |
// test_harness |
test_harness i_test_harness( |
.gpio_0(gpio_0), |
.gpio_1(gpio_1), |
|
.sys_clk_i(sysclk), |
.sys_rst_i(reset_switch) |
); |
|
|
//--------------------------------------------------- |
// outputs |
|
// Turn off all display |
assign hex0 = 7'h7f; |
assign hex1 = 7'h7f; |
assign hex2 = 7'h7f; |
assign hex3 = 7'h7f; |
// assign ledg = 8'hff; |
assign ledg = fled; |
assign ledr = 10'h000; |
|
// All inout port turn to tri-state |
assign dram_dq = 16'hzzzz; |
assign fl_dq = 8'hzz; |
assign sram_dq = 16'hzzzz; |
assign sd_dat = 1'bz; |
assign i2c_sdat = 1'bz; |
assign aud_adclrck = 1'bz; |
assign aud_daclrck = 1'bz; |
assign aud_bclk = 1'bz; |
assign gpio_0 = 36'hzzzzzzzzz; |
assign gpio_1 = 36'hzzzzzzzzz; |
|
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module top( |
//////////////////////// Clock Input //////////////////////// |
input [1:0] clock_24, // 24 MHz |
input [1:0] clock_27, // 27 MHz |
input clock_50, // 50 MHz |
input ext_clock, // External Clock |
//////////////////////// Push Button //////////////////////// |
input [3:0] key, // Pushbutton[3:0] |
//////////////////////// DPDT Switch //////////////////////// |
input [9:0] sw, // Toggle Switch[9:0] |
//////////////////////// 7-SEG Dispaly //////////////////////// |
output [6:0] hex0, // Seven Segment Digit 0 |
output [6:0] hex1, // Seven Segment Digit 1 |
output [6:0] hex2, // Seven Segment Digit 2 |
output [6:0] hex3, // Seven Segment Digit 3 |
//////////////////////////// LED //////////////////////////// |
output [7:0] ledg, // LED Green[7:0] |
output [9:0] ledr, // LED Red[9:0] |
//////////////////////////// UART //////////////////////////// |
output uart_txd, // UART Transmitter |
input uart_rxd, // UART Receiver |
/////////////////////// SDRAM Interface //////////////////////// |
inout [15:0] dram_dq, // SDRAM Data bus 16 Bits |
output [11:0] dram_addr, // SDRAM Address bus 12 Bits |
output dram_ldqm, // SDRAM Low-byte Data Mask |
output dram_udqm, // SDRAM High-byte Data Mask |
output dram_we_n, // SDRAM Write Enable |
output dram_cas_n, // SDRAM Column Address Strobe |
output dram_ras_n, // SDRAM Row Address Strobe |
output dram_cs_n, // SDRAM Chip Select |
output dram_ba_0, // SDRAM Bank Address 0 |
output dram_ba_1, // SDRAM Bank Address 0 |
output dram_clk, // SDRAM Clock |
output dram_cke, // SDRAM Clock Enable |
//////////////////////// Flash Interface //////////////////////// |
inout [7:0] fl_dq, // FLASH Data bus 8 Bits |
output [21:0] fl_addr, // FLASH Address bus 22 Bits |
output fl_we_n, // FLASH Write Enable |
output fl_rst_n, // FLASH Reset |
output fl_oe_n, // FLASH Output Enable |
output fl_ce_n, // FLASH Chip Enable |
//////////////////////// SRAM Interface //////////////////////// |
inout [15:0] sram_dq, // SRAM Data bus 16 Bits |
output [17:0] sram_addr, // SRAM Address bus 18 Bits |
output sram_ub_n, // SRAM High-byte Data Mask |
output sram_lb_n, // SRAM Low-byte Data Mask |
output sram_we_n, // SRAM Write Enable |
output sram_ce_n, // SRAM Chip Enable |
output sram_oe_n, // SRAM Output Enable |
//////////////////// SD Card Interface //////////////////////// |
inout sd_dat, // SD Card Data |
inout sd_dat3, // SD Card Data 3 |
inout sd_cmd, // SD Card Command Signal |
output sd_clk, // SD Card Clock |
//////////////////////// I2C //////////////////////////////// |
inout i2c_sdat, // I2C Data |
output i2c_sclk, // I2C Clock |
//////////////////////// PS2 //////////////////////////////// |
input ps2_dat, // PS2 Data |
input ps2_clk, // PS2 Clock |
//////////////////// USB JTAG link //////////////////////////// |
input tdi, // CPLD -> FPGA (data in) |
input tck, // CPLD -> FPGA (clk) |
input tcs, // CPLD -> FPGA (CS) |
output tdo, // FPGA -> CPLD (data out) |
//////////////////////// VGA //////////////////////////// |
output vga_hs, // VGA H_SYNC |
output vga_vs, // VGA V_SYNC |
output [3:0] vga_r, // VGA Red[3:0] |
output [3:0] vga_g, // VGA Green[3:0] |
output [3:0] vga_b, // VGA Blue[3:0] |
//////////////////// Audio CODEC //////////////////////////// |
inout aud_adclrck, // Audio CODEC ADC LR Clock |
input aud_adcdat, // Audio CODEC ADC Data |
inout aud_daclrck, // Audio CODEC DAC LR Clock |
output aud_dacdat, // Audio CODEC DAC Data |
inout aud_bclk, // Audio CODEC Bit-Stream Clock |
output aud_xck, // Audio CODEC Chip Clock |
//////////////////////// GPIO //////////////////////////////// |
inout [35:0] gpio_0, // GPIO Connection 0 |
inout [35:0] gpio_1 // GPIO Connection 1 |
); |
|
|
//--------------------------------------------------- |
// system wires |
wire reset_switch; |
wire sysclk = clock_24[0]; |
|
|
//--------------------------------------------------- |
// sync reset |
sync |
i_sync_reset( |
.async_sig(~key[0]), |
.sync_out(reset_switch), |
.clk(sysclk) |
); |
|
|
//--------------------------------------------------- |
// FLED |
reg [24:0] counter; |
wire [7:0] fled; |
|
always @(posedge sysclk or posedge reset_switch) |
if(reset_switch) |
counter <= 25'b0; |
else |
counter <= counter + 1; |
|
assign fled[0] = sw[0]; |
assign fled[1] = sw[1]; |
assign fled[2] = sw[2]; |
assign fled[3] = sw[3]; |
assign fled[4] = sw[4]; |
assign fled[5] = sw[5]; |
assign fled[6] = sw[6]; |
assign fled[7] = counter[24]; |
|
|
//--------------------------------------------------- |
// test_harness |
test_harness i_test_harness( |
.gpio_0(gpio_0), |
.gpio_1(gpio_1), |
|
.sys_clk_i(sysclk), |
.sys_rst_i(reset_switch) |
); |
|
|
//--------------------------------------------------- |
// outputs |
|
// Turn off all display |
assign hex0 = 7'h7f; |
assign hex1 = 7'h7f; |
assign hex2 = 7'h7f; |
assign hex3 = 7'h7f; |
// assign ledg = 8'hff; |
assign ledg = fled; |
assign ledr = 10'h000; |
|
// All inout port turn to tri-state |
assign dram_dq = 16'hzzzz; |
assign fl_dq = 8'hzz; |
assign sram_dq = 16'hzzzz; |
assign sd_dat = 1'bz; |
assign i2c_sdat = 1'bz; |
assign aud_adclrck = 1'bz; |
assign aud_daclrck = 1'bz; |
assign aud_bclk = 1'bz; |
assign gpio_0 = 36'hzzzzzzzzz; |
assign gpio_1 = 36'hzzzzzzzzz; |
|
|
endmodule |
|
/src/wb_async_mem_sm.v
1,131 → 1,131
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
wb_async_mem_sm |
#( |
parameter DW = 32, |
parameter AW = 32 |
) |
( |
input [(DW-1):0] wb_data_i, |
input [(AW-1):0] wb_addr_i, |
output wb_we_o, |
output wb_cyc_o, |
output wb_stb_o, |
input wb_ack_i, |
input wb_err_i, |
input wb_rty_i, |
|
input [(DW-1):0] mem_d, |
input [(AW-1):0] mem_a, |
input mem_oe_n, |
input [3:0] mem_bls_n, |
input mem_we_n, |
input mem_cs_n, |
|
input mem_we_n_fall, |
input mem_oe_n_fall, |
|
output [5:0] dbg_state, |
|
input wb_clk_i, |
input wb_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// wires |
wire address_change; |
|
|
// -------------------------------------------------------------------- |
// state machine |
|
localparam STATE_IDLE = 6'b000001; |
localparam STATE_WE = 6'b000010; |
localparam STATE_OE = 6'b000100; |
localparam STATE_DONE = 6'b001000; |
localparam STATE_ERROR = 6'b010000; |
localparam STATE_GLITCH = 6'b100000; |
|
reg [5:0] state; |
reg [5:0] next_state; |
|
always @(posedge wb_clk_i or posedge wb_rst_i) |
if(wb_rst_i) |
state <= STATE_IDLE; |
else |
state <= next_state; |
|
always @(*) |
case( state ) |
STATE_IDLE: if( (mem_oe_n & mem_we_n) | mem_cs_n ) |
next_state = STATE_IDLE; |
else |
if( ~mem_oe_n & ~mem_we_n ) |
next_state = STATE_ERROR; |
else |
if( ~mem_we_n ) |
next_state = STATE_WE; |
else |
next_state = STATE_OE; |
|
STATE_WE: if( mem_we_n | mem_cs_n ) |
next_state = STATE_ERROR; |
else |
if( wb_ack_i ) |
next_state = STATE_DONE; |
else |
next_state = STATE_WE; |
|
STATE_OE: if( mem_oe_n | mem_cs_n | address_change ) |
next_state = STATE_ERROR; |
else |
if( wb_ack_i ) |
next_state = STATE_DONE; |
else |
next_state = STATE_OE; |
|
STATE_DONE: if( mem_cs_n ) |
next_state = STATE_IDLE; |
else |
if( mem_we_n_fall ) |
next_state = STATE_WE; |
else if( mem_oe_n_fall ) |
next_state = STATE_OE; |
else |
next_state = STATE_DONE; |
|
STATE_ERROR: next_state = STATE_IDLE; |
|
STATE_GLITCH: next_state = STATE_IDLE; |
|
default: next_state = STATE_GLITCH; |
endcase |
|
|
// -------------------------------------------------------------------- |
// wb_addr_i flop |
reg [(AW-1):0] wb_addr_i_r; |
assign address_change = (wb_addr_i != wb_addr_i_r); |
|
always @(posedge wb_clk_i) |
if( (state != STATE_DONE) | (state != STATE_OE) ) |
wb_addr_i_r <= wb_addr_i; |
|
|
// -------------------------------------------------------------------- |
// outputs |
assign wb_cyc_o = (state == STATE_WE) | (state == STATE_OE); |
assign wb_stb_o = (state == STATE_WE) | (state == STATE_OE); |
assign wb_we_o = (state == STATE_WE); |
|
assign dbg_state = state; |
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module |
wb_async_mem_sm |
#( |
parameter DW = 32, |
parameter AW = 32 |
) |
( |
input [(DW-1):0] wb_data_i, |
input [(AW-1):0] wb_addr_i, |
output wb_we_o, |
output wb_cyc_o, |
output wb_stb_o, |
input wb_ack_i, |
input wb_err_i, |
input wb_rty_i, |
|
input [(DW-1):0] mem_d, |
input [(AW-1):0] mem_a, |
input mem_oe_n, |
input [3:0] mem_bls_n, |
input mem_we_n, |
input mem_cs_n, |
|
input mem_we_n_fall, |
input mem_oe_n_fall, |
|
output [5:0] dbg_state, |
|
input wb_clk_i, |
input wb_rst_i |
); |
|
|
// -------------------------------------------------------------------- |
// wires |
wire address_change; |
|
|
// -------------------------------------------------------------------- |
// state machine |
|
localparam STATE_IDLE = 6'b000001; |
localparam STATE_WE = 6'b000010; |
localparam STATE_OE = 6'b000100; |
localparam STATE_DONE = 6'b001000; |
localparam STATE_ERROR = 6'b010000; |
localparam STATE_GLITCH = 6'b100000; |
|
reg [5:0] state; |
reg [5:0] next_state; |
|
always @(posedge wb_clk_i or posedge wb_rst_i) |
if(wb_rst_i) |
state <= STATE_IDLE; |
else |
state <= next_state; |
|
always @(*) |
case( state ) |
STATE_IDLE: if( (mem_oe_n & mem_we_n) | mem_cs_n ) |
next_state = STATE_IDLE; |
else |
if( ~mem_oe_n & ~mem_we_n ) |
next_state = STATE_ERROR; |
else |
if( ~mem_we_n ) |
next_state = STATE_WE; |
else |
next_state = STATE_OE; |
|
STATE_WE: if( mem_we_n | mem_cs_n ) |
next_state = STATE_ERROR; |
else |
if( wb_ack_i ) |
next_state = STATE_DONE; |
else |
next_state = STATE_WE; |
|
STATE_OE: if( mem_oe_n | mem_cs_n | address_change ) |
next_state = STATE_ERROR; |
else |
if( wb_ack_i ) |
next_state = STATE_DONE; |
else |
next_state = STATE_OE; |
|
STATE_DONE: if( mem_cs_n ) |
next_state = STATE_IDLE; |
else |
if( mem_we_n_fall ) |
next_state = STATE_WE; |
else if( mem_oe_n_fall ) |
next_state = STATE_OE; |
else |
next_state = STATE_DONE; |
|
STATE_ERROR: next_state = STATE_IDLE; |
|
STATE_GLITCH: next_state = STATE_IDLE; |
|
default: next_state = STATE_GLITCH; |
endcase |
|
|
// -------------------------------------------------------------------- |
// wb_addr_i flop |
reg [(AW-1):0] wb_addr_i_r; |
assign address_change = (wb_addr_i != wb_addr_i_r); |
|
always @(posedge wb_clk_i) |
if( (state != STATE_DONE) | (state != STATE_OE) ) |
wb_addr_i_r <= wb_addr_i; |
|
|
// -------------------------------------------------------------------- |
// outputs |
assign wb_cyc_o = (state == STATE_WE) | (state == STATE_OE); |
assign wb_stb_o = (state == STATE_WE) | (state == STATE_OE); |
assign wb_we_o = (state == STATE_WE); |
|
assign dbg_state = state; |
|
endmodule |
|
/src/soc_ram.v
1,41 → 1,41
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
|
module soc_ram( data, addr, we, clk, q ); |
|
parameter DATA_WIDTH = 8; |
parameter ADDR_WIDTH = 6; |
parameter MEM_INIT = 0; |
|
input [(DATA_WIDTH-1):0] data; |
input [(ADDR_WIDTH-1):0] addr; |
input we; |
input clk; |
output [(DATA_WIDTH-1):0] q; |
|
// Declare the RAM variable |
reg [DATA_WIDTH-1:0] ram[2**ADDR_WIDTH-1:0]; |
reg [ADDR_WIDTH-1:0] addr_reg; |
|
|
always @ (posedge clk) |
begin |
// Write |
if (we) ram[addr] <= data; |
addr_reg <= addr; |
end |
|
// Read returns NEW data at addr if we == 1'b1. This is the |
// natural behavior of TriMatrix memory blocks in Single Port |
// mode |
assign q = ram[addr_reg]; |
|
// generate |
// if( MEM_INIT != 0 ) |
// initial |
// $readmemh( MEM_INIT, ram ); |
// endgenerate |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
|
module soc_ram( data, addr, we, clk, q ); |
|
parameter DATA_WIDTH = 8; |
parameter ADDR_WIDTH = 6; |
parameter MEM_INIT = 0; |
|
input [(DATA_WIDTH-1):0] data; |
input [(ADDR_WIDTH-1):0] addr; |
input we; |
input clk; |
output [(DATA_WIDTH-1):0] q; |
|
// Declare the RAM variable |
reg [DATA_WIDTH-1:0] ram[2**ADDR_WIDTH-1:0]; |
reg [ADDR_WIDTH-1:0] addr_reg; |
|
|
always @ (posedge clk) |
begin |
// Write |
if (we) ram[addr] <= data; |
addr_reg <= addr; |
end |
|
// Read returns NEW data at addr if we == 1'b1. This is the |
// natural behavior of TriMatrix memory blocks in Single Port |
// mode |
assign q = ram[addr_reg]; |
|
// generate |
// if( MEM_INIT != 0 ) |
// initial |
// $readmemh( MEM_INIT, ram ); |
// endgenerate |
|
endmodule |
/src/sync_edge_detect.v
1,32 → 1,32
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module sync_edge_detect ( |
input async_sig, |
output sync_out, |
|
input clk, |
|
output reg rise, |
output reg fall |
); |
|
reg [1:3] resync; |
|
always @(posedge clk) |
begin |
// detect rising and falling edges. |
rise <= ~resync[3] & resync[2]; |
fall <= ~resync[2] & resync[3]; |
// update history shifter. |
resync <= {async_sig , resync[1:2]}; |
end |
|
assign sync_out = resync[2]; |
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`include "timescale.v" |
|
|
module sync_edge_detect ( |
input async_sig, |
output sync_out, |
|
input clk, |
|
output reg rise, |
output reg fall |
); |
|
reg [1:3] resync; |
|
always @(posedge clk) |
begin |
// detect rising and falling edges. |
rise <= ~resync[3] & resync[2]; |
fall <= ~resync[2] & resync[3]; |
// update history shifter. |
resync <= {async_sig , resync[1:2]}; |
end |
|
assign sync_out = resync[2]; |
|
endmodule |
|
/sim/tests/debug/tb_dut.v
1,99 → 1,99
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_dut( |
input tb_clk, |
input tb_rst |
); |
|
|
// -------------------------------------------------------------------- |
// async_mem_master |
wire [31:0] mem_d; |
wire [31:0] mem_a; |
wire mem_oe_n; |
wire [3:0] mem_bls_n; |
wire mem_we_n; |
wire mem_cs_n; |
|
async_mem_master |
async_mem( |
.mem_d(mem_d), |
.mem_a(mem_a), |
.mem_oe_n(mem_oe_n), |
.mem_bls_n(mem_bls_n), |
.mem_we_n(mem_we_n), |
.mem_cs_n(mem_cs_n), |
|
.tb_clk(tb_clk), |
.tb_rst(tb_rst) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_async_mem_bridge |
wire [31:0] wb_data_i; |
wire [31:0] wb_data_o; |
wire [31:0] wb_addr_o; |
wire [3:0] wb_sel_o; |
wire wb_we_o; |
wire wb_cyc_o; |
wire wb_stb_o; |
wire wb_ack_i; |
wire wb_err_i; |
wire wb_rty_i; |
|
wb_async_mem_bridge |
i_wb_async_mem_bridge( |
.wb_data_i(wb_data_i), |
.wb_data_o(wb_data_o), |
.wb_addr_o(wb_addr_o), |
.wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d(mem_d), |
.mem_a(mem_a), |
.mem_oe_n(mem_oe_n), |
.mem_bls_n(mem_bls_n), |
.mem_we_n(mem_we_n), |
.mem_cs_n(mem_cs_n), |
|
.wb_clk_i(tb_clk), |
.wb_rst_i(tb_rst) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_slave_model |
wb_slave_model #(.DWIDTH(32), .AWIDTH(8), .ACK_DELAY(0), .SLAVE_RAM_INIT("wb_slave_32_bit.txt") ) |
i_wb_slave_model( |
.clk_i(tb_clk), |
.rst_i(tb_rst), |
.dat_o(wb_data_i), |
.dat_i(wb_data_o), |
.adr_i(wb_addr_o), |
.cyc_i(wb_cyc_o), |
.stb_i(wb_stb_o), |
.we_i(wb_we_o), |
.sel_i(wb_sel_o), |
.ack_o(wb_ack_i), |
.err_o(wb_err_i), |
.rty_o(wb_rty_i) |
); |
|
|
|
endmodule |
|
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_dut( |
input tb_clk, |
input tb_rst |
); |
|
|
// -------------------------------------------------------------------- |
// async_mem_master |
wire [31:0] mem_d; |
wire [31:0] mem_a; |
wire mem_oe_n; |
wire [3:0] mem_bls_n; |
wire mem_we_n; |
wire mem_cs_n; |
|
async_mem_master |
async_mem( |
.mem_d(mem_d), |
.mem_a(mem_a), |
.mem_oe_n(mem_oe_n), |
.mem_bls_n(mem_bls_n), |
.mem_we_n(mem_we_n), |
.mem_cs_n(mem_cs_n), |
|
.tb_clk(tb_clk), |
.tb_rst(tb_rst) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_async_mem_bridge |
wire [31:0] wb_data_i; |
wire [31:0] wb_data_o; |
wire [31:0] wb_addr_o; |
wire [3:0] wb_sel_o; |
wire wb_we_o; |
wire wb_cyc_o; |
wire wb_stb_o; |
wire wb_ack_i; |
wire wb_err_i; |
wire wb_rty_i; |
|
wb_async_mem_bridge |
i_wb_async_mem_bridge( |
.wb_data_i(wb_data_i), |
.wb_data_o(wb_data_o), |
.wb_addr_o(wb_addr_o), |
.wb_sel_o(wb_sel_o), |
.wb_we_o(wb_we_o), |
.wb_cyc_o(wb_cyc_o), |
.wb_stb_o(wb_stb_o), |
.wb_ack_i(wb_ack_i), |
.wb_err_i(wb_err_i), |
.wb_rty_i(wb_rty_i), |
|
.mem_d(mem_d), |
.mem_a(mem_a), |
.mem_oe_n(mem_oe_n), |
.mem_bls_n(mem_bls_n), |
.mem_we_n(mem_we_n), |
.mem_cs_n(mem_cs_n), |
|
.wb_clk_i(tb_clk), |
.wb_rst_i(tb_rst) |
); |
|
|
|
// -------------------------------------------------------------------- |
// wb_slave_model |
wb_slave_model #(.DWIDTH(32), .AWIDTH(8), .ACK_DELAY(0), .SLAVE_RAM_INIT("wb_slave_32_bit.txt") ) |
i_wb_slave_model( |
.clk_i(tb_clk), |
.rst_i(tb_rst), |
.dat_o(wb_data_i), |
.dat_i(wb_data_o), |
.adr_i(wb_addr_o), |
.cyc_i(wb_cyc_o), |
.stb_i(wb_stb_o), |
.we_i(wb_we_o), |
.sel_i(wb_sel_o), |
.ack_o(wb_ack_i), |
.err_o(wb_err_i), |
.rty_o(wb_rty_i) |
); |
|
|
|
endmodule |
|
|
/sim/tests/debug/tb_top.v
1,67 → 1,67
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_top(); |
|
parameter CLK_PERIOD = 10; |
|
reg tb_clk, tb_rst; |
|
initial |
begin |
tb_clk <= 1'b1; |
tb_rst <= 1'b1; |
|
#(CLK_PERIOD); #(CLK_PERIOD/3); |
tb_rst = 1'b0; |
|
end |
|
always |
#(CLK_PERIOD/2) tb_clk = ~tb_clk; |
|
// -------------------------------------------------------------------- |
// tb_dut |
tb_dut dut( tb_clk, tb_rst ); |
|
|
// -------------------------------------------------------------------- |
// insert test below |
|
initial |
begin |
|
wait( ~tb_rst ); |
|
repeat(2) @(posedge tb_clk); |
|
// |
$display("\n^^^- \n"); |
|
|
dut.async_mem.async_mem_write( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_cmp( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_3x_write( 32'h83000000, 32'habbabeef, 32'h55555555, 32'haaaaaaaa, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_3x_cmp( 32'h83000000, 32'habbabeef, 32'h55555555, 32'haaaaaaaa, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
|
$display("\n^^^---------------------------------\n"); |
$display("^^^- Testbench done. %t.\n", $time); |
|
$stop(); |
|
end |
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_top(); |
|
parameter CLK_PERIOD = 10; |
|
reg tb_clk, tb_rst; |
|
initial |
begin |
tb_clk <= 1'b1; |
tb_rst <= 1'b1; |
|
#(CLK_PERIOD); #(CLK_PERIOD/3); |
tb_rst = 1'b0; |
|
end |
|
always |
#(CLK_PERIOD/2) tb_clk = ~tb_clk; |
|
// -------------------------------------------------------------------- |
// tb_dut |
tb_dut dut( tb_clk, tb_rst ); |
|
|
// -------------------------------------------------------------------- |
// insert test below |
|
initial |
begin |
|
wait( ~tb_rst ); |
|
repeat(2) @(posedge tb_clk); |
|
// |
$display("\n^^^- \n"); |
|
|
dut.async_mem.async_mem_write( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_cmp( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_3x_write( 32'h83000000, 32'habbabeef, 32'h55555555, 32'haaaaaaaa, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
dut.async_mem.async_mem_3x_cmp( 32'h83000000, 32'habbabeef, 32'h55555555, 32'haaaaaaaa, 4'b0000 ); |
repeat(10) @(posedge tb_clk); |
|
|
$display("\n^^^---------------------------------\n"); |
$display("^^^- Testbench done. %t.\n", $time); |
|
$stop(); |
|
end |
|
endmodule |
|
/sim/tests/de1_system/wb_slave_32_bit.txt
1,48 → 1,48
00 |
00 |
00 |
11 |
11 |
11 |
22 |
22 |
22 |
33 |
33 |
33 |
44 |
44 |
44 |
55 |
55 |
55 |
66 |
66 |
66 |
77 |
77 |
77 |
88 |
88 |
88 |
99 |
99 |
99 |
aa |
aa |
aa |
bb |
bb |
bb |
cc |
cc |
cc |
dd |
dd |
dd |
ee |
ee |
ee |
ff |
ff |
ff |
00 |
00 |
00 |
11 |
11 |
11 |
22 |
22 |
22 |
33 |
33 |
33 |
44 |
44 |
44 |
55 |
55 |
55 |
66 |
66 |
66 |
77 |
77 |
77 |
88 |
88 |
88 |
99 |
99 |
99 |
aa |
aa |
aa |
bb |
bb |
bb |
cc |
cc |
cc |
dd |
dd |
dd |
ee |
ee |
ee |
ff |
ff |
ff |
/sim/tests/de1_system/tb_dut.v
1,260 → 1,260
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
|
`include "timescale.v" |
|
|
module tb_dut( |
input tb_clk, |
input tb_rst |
); |
|
wire [3:0] boot_strap = 4'b0010; |
|
|
// -------------------------------------------------------------------- |
// de1 wires |
wire [1:0] clock_24; |
wire [1:0] clock_27; |
wire clock_50; |
wire ext_clock; |
wire [3:0] key; |
wire [9:0] sw; |
wire [6:0] hex0; |
wire [6:0] hex1; |
wire [6:0] hex2; |
wire [6:0] hex3; |
wire [7:0] ledg; |
wire [9:0] ledr; |
wire uart_txd; |
wire uart_rxd; |
wire [15:0] dram_dq; |
wire [11:0] dram_addr; |
wire dram_ldqm; |
wire dram_udqm; |
wire dram_we_n; |
wire dram_cas_n; |
wire dram_ras_n; |
wire dram_cs_n; |
wire dram_ba_0; |
wire dram_ba_1; |
wire dram_clk; |
wire dram_cke; |
wire [7:0] fl_dq; |
wire [21:0] fl_addr; |
wire fl_we_n; |
wire fl_rst_n; |
wire fl_oe_n; |
wire fl_ce_n; |
wire [15:0] sram_dq; |
wire [17:0] sram_addr; |
wire sram_ub_n; |
wire sram_lb_n; |
wire sram_we_n; |
wire sram_ce_n; |
wire sram_oe_n; |
wire sd_dat; |
wire sd_dat3; |
wire sd_cmd; |
wire sd_clk; |
wire i2c_sdat; |
wire i2c_sclk; |
wire ps2_dat; |
wire ps2_clk; |
wire tdi; |
wire tck; |
wire tcs; |
wire tdo; |
wire vga_hs; |
wire vga_vs; |
wire [3:0] vga_r; |
wire [3:0] vga_g; |
wire [3:0] vga_b; |
wire aud_adclrck; |
wire aud_adcdat; |
wire aud_daclrck; |
wire aud_dacdat; |
wire aud_bclk; |
wire aud_xck; |
wire [35:0] gpio_0; |
wire [35:0] gpio_1; |
|
|
// -------------------------------------------------------------------- |
// fpga top |
assign clock_24 = {1'b0, tb_clk}; |
assign sw = {6'b000000, boot_strap}; |
assign key = {3'b000, ~tb_rst}; |
|
top |
i_top( |
//////////////////////// Clock Input //////////////////////// |
.clock_24( clock_24 ), // 24 MHz |
.clock_27(clock_27), // 27 MHz |
.clock_50(clock_50), // 50 MHz |
.ext_clock(ext_clock), // External Clock |
//////////////////////// Push Button //////////////////////// |
.key( key ), // Pushbutton[3:0] |
//////////////////////// DPDT Switch //////////////////////// |
.sw( sw ), // Toggle Switch[9:0] |
//////////////////////// 7-SEG Dispaly //////////////////////// |
.hex0(hex0), // Seven Segment Digit 0 |
.hex1(hex1), // Seven Segment Digit 1 |
.hex2(hex2), // Seven Segment Digit 2 |
.hex3(hex3), // Seven Segment Digit 3 |
//////////////////////////// LED //////////////////////////// |
.ledg(ledg), // LED Green[7:0] |
.ledr(ledr), // LED Red[9:0] |
//////////////////////////// UART //////////////////////////// |
.uart_txd(uart_txd), // UART Transmitter |
.uart_rxd(uart_rxd), // UART Receiver |
/////////////////////// SDRAM Interface //////////////////////// |
.dram_dq(dram_dq), // SDRAM Data bus 16 Bits |
.dram_addr(dram_addr), // SDRAM Address bus 12 Bits |
.dram_ldqm(dram_ldqm), // SDRAM Low-byte Data Mask |
.dram_udqm(dram_udqm), // SDRAM High-byte Data Mask |
.dram_we_n(dram_we_n), // SDRAM Write Enable |
.dram_cas_n(dram_cas_n), // SDRAM Column Address Strobe |
.dram_ras_n(dram_ras_n), // SDRAM Row Address Strobe |
.dram_cs_n(dram_cs_n), // SDRAM Chip Select |
.dram_ba_0(dram_ba_0), // SDRAM Bank Address 0 |
.dram_ba_1(dram_ba_1), // SDRAM Bank Address 0 |
.dram_clk(dram_clk), // SDRAM Clock |
.dram_cke(dram_cke), // SDRAM Clock Enable |
//////////////////////// Flash Interface //////////////////////// |
.fl_dq(fl_dq), // FLASH Data bus 8 Bits |
.fl_addr(fl_addr), // FLASH Address bus 22 Bits |
.fl_we_n(fl_we_n), // FLASH Write Enable |
.fl_rst_n(fl_rst_n), // FLASH Reset |
.fl_oe_n(fl_oe_n), // FLASH Output Enable |
.fl_ce_n(fl_ce_n), // FLASH Chip Enable |
//////////////////////// SRAM Interface //////////////////////// |
.sram_dq(sram_dq), // SRAM Data bus 16 Bits |
.sram_addr(sram_addr), // SRAM Address bus 18 Bits |
.sram_ub_n(sram_ub_n), // SRAM High-byte Data Mask |
.sram_lb_n(sram_lb_n), // SRAM Low-byte Data Mask |
.sram_we_n(sram_we_n), // SRAM Write Enable |
.sram_ce_n(sram_ce_n), // SRAM Chip Enable |
.sram_oe_n(sram_oe_n), // SRAM Output Enable |
//////////////////// SD Card Interface //////////////////////// |
.sd_dat(sd_dat), // SD Card Data |
.sd_dat3(sd_dat3), // SD Card Data 3 |
.sd_cmd(sd_cmd), // SD Card Command Signal |
.sd_clk(sd_clk), // SD Card Clock |
//////////////////////// I2C //////////////////////////////// |
.i2c_sdat(i2c_sdat), // I2C Data |
.i2c_sclk(i2c_sclk), // I2C Clock |
//////////////////////// PS2 //////////////////////////////// |
.ps2_dat(ps2_dat), // PS2 Data |
.ps2_clk(ps2_clk), // PS2 Clock |
//////////////////// USB JTAG link //////////////////////////// |
.tdi(tdi), // CPLD -> FPGA (data in) |
.tck(tck), // CPLD -> FPGA (clk) |
.tcs(tcs), // CPLD -> FPGA (CS) |
.tdo(tdo), // FPGA -> CPLD (data out) |
//////////////////////// VGA //////////////////////////// |
.vga_hs(vga_hs), // VGA H_SYNC |
.vga_vs(vga_vs), // VGA V_SYNC |
.vga_r(vga_r), // VGA Red[3:0] |
.vga_g(vga_g), // VGA Green[3:0] |
.vga_b(vga_b), // VGA Blue[3:0] |
//////////////////// Audio CODEC //////////////////////////// |
.aud_adclrck(aud_adclrck), // Audio CODEC ADC LR Clock |
.aud_adcdat(aud_adcdat), // Audio CODEC ADC Data |
.aud_daclrck(aud_daclrck), // Audio CODEC DAC LR Clock |
.aud_dacdat(aud_dacdat), // Audio CODEC DAC Data |
.aud_bclk(aud_bclk), // Audio CODEC Bit-Stream Clock |
.aud_xck(aud_xck), // Audio CODEC Chip Clock |
//////////////////////// GPIO //////////////////////////////// |
.gpio_0(gpio_0), // GPIO Connection 0 |
.gpio_1(gpio_1) // GPIO Connection 1 |
); |
|
|
// -------------------------------------------------------------------- |
// IS61LV25616 |
IS61LV25616 i_IS61LV25616 ( |
.A(sram_addr), |
.IO(sram_dq), |
.CE_(sram_ce_n), |
.OE_(sram_oe_n), |
.WE_(sram_we_n), |
.LB_(sram_lb_n), |
.UB_(sram_ub_n) |
); |
|
|
// -------------------------------------------------------------------- |
// s29al032d_00 |
s29al032d_00 #( .UserPreload(1'b1), .mem_file_name( "../../../sw/load_this_to_ram/boot_rom_2.txt" ) ) |
i_s29al032d_00( |
.A21(fl_addr[21]), |
.A20(fl_addr[20]), |
.A19(fl_addr[19]), |
.A18(fl_addr[18]), |
.A17(fl_addr[17]), |
.A16(fl_addr[16]), |
.A15(fl_addr[15]), |
.A14(fl_addr[14]), |
.A13(fl_addr[13]), |
.A12(fl_addr[12]), |
.A11(fl_addr[11]), |
.A10(fl_addr[10]), |
.A9(fl_addr[9]), |
.A8(fl_addr[8]), |
.A7(fl_addr[7]), |
.A6(fl_addr[6]), |
.A5(fl_addr[5]), |
.A4(fl_addr[4]), |
.A3(fl_addr[3]), |
.A2(fl_addr[2]), |
.A1(fl_addr[1]), |
.A0(fl_addr[0]), |
|
.DQ7(fl_dq[7]), |
.DQ6(fl_dq[6]), |
.DQ5(fl_dq[5]), |
.DQ4(fl_dq[4]), |
.DQ3(fl_dq[3]), |
.DQ2(fl_dq[2]), |
.DQ1(fl_dq[1]), |
.DQ0(fl_dq[0]), |
|
.CENeg(fl_ce_n), |
.OENeg(fl_oe_n), |
.WENeg(fl_we_n), |
.RESETNeg(fl_rst_n), |
.ACC(), |
.RY() |
); |
|
|
// -------------------------------------------------------------------- |
// async_mem_master |
wire [31:0] mem_d; |
wire [31:0] mem_a; |
wire mem_oe_n; |
wire [3:0] mem_bls_n; |
wire mem_we_n; |
wire mem_cs_n; |
|
async_mem_master |
async_mem( |
.mem_d( gpio_1[31:0] ), |
.mem_a( gpio_0[23:0] ), |
.mem_oe_n( gpio_0[30] ), |
.mem_bls_n( { gpio_0[26], gpio_0[27], gpio_0[28], gpio_0[29] } ), |
.mem_we_n( gpio_0[25] ), |
.mem_cs_n( gpio_0[24] ), |
|
.tb_clk(tb_clk), |
.tb_rst(tb_rst) |
); |
|
|
endmodule |
|
|
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
|
`include "timescale.v" |
|
|
module tb_dut( |
input tb_clk, |
input tb_rst |
); |
|
wire [3:0] boot_strap = 4'b0010; |
|
|
// -------------------------------------------------------------------- |
// de1 wires |
wire [1:0] clock_24; |
wire [1:0] clock_27; |
wire clock_50; |
wire ext_clock; |
wire [3:0] key; |
wire [9:0] sw; |
wire [6:0] hex0; |
wire [6:0] hex1; |
wire [6:0] hex2; |
wire [6:0] hex3; |
wire [7:0] ledg; |
wire [9:0] ledr; |
wire uart_txd; |
wire uart_rxd; |
wire [15:0] dram_dq; |
wire [11:0] dram_addr; |
wire dram_ldqm; |
wire dram_udqm; |
wire dram_we_n; |
wire dram_cas_n; |
wire dram_ras_n; |
wire dram_cs_n; |
wire dram_ba_0; |
wire dram_ba_1; |
wire dram_clk; |
wire dram_cke; |
wire [7:0] fl_dq; |
wire [21:0] fl_addr; |
wire fl_we_n; |
wire fl_rst_n; |
wire fl_oe_n; |
wire fl_ce_n; |
wire [15:0] sram_dq; |
wire [17:0] sram_addr; |
wire sram_ub_n; |
wire sram_lb_n; |
wire sram_we_n; |
wire sram_ce_n; |
wire sram_oe_n; |
wire sd_dat; |
wire sd_dat3; |
wire sd_cmd; |
wire sd_clk; |
wire i2c_sdat; |
wire i2c_sclk; |
wire ps2_dat; |
wire ps2_clk; |
wire tdi; |
wire tck; |
wire tcs; |
wire tdo; |
wire vga_hs; |
wire vga_vs; |
wire [3:0] vga_r; |
wire [3:0] vga_g; |
wire [3:0] vga_b; |
wire aud_adclrck; |
wire aud_adcdat; |
wire aud_daclrck; |
wire aud_dacdat; |
wire aud_bclk; |
wire aud_xck; |
wire [35:0] gpio_0; |
wire [35:0] gpio_1; |
|
|
// -------------------------------------------------------------------- |
// fpga top |
assign clock_24 = {1'b0, tb_clk}; |
assign sw = {6'b000000, boot_strap}; |
assign key = {3'b000, ~tb_rst}; |
|
top |
i_top( |
//////////////////////// Clock Input //////////////////////// |
.clock_24( clock_24 ), // 24 MHz |
.clock_27(clock_27), // 27 MHz |
.clock_50(clock_50), // 50 MHz |
.ext_clock(ext_clock), // External Clock |
//////////////////////// Push Button //////////////////////// |
.key( key ), // Pushbutton[3:0] |
//////////////////////// DPDT Switch //////////////////////// |
.sw( sw ), // Toggle Switch[9:0] |
//////////////////////// 7-SEG Dispaly //////////////////////// |
.hex0(hex0), // Seven Segment Digit 0 |
.hex1(hex1), // Seven Segment Digit 1 |
.hex2(hex2), // Seven Segment Digit 2 |
.hex3(hex3), // Seven Segment Digit 3 |
//////////////////////////// LED //////////////////////////// |
.ledg(ledg), // LED Green[7:0] |
.ledr(ledr), // LED Red[9:0] |
//////////////////////////// UART //////////////////////////// |
.uart_txd(uart_txd), // UART Transmitter |
.uart_rxd(uart_rxd), // UART Receiver |
/////////////////////// SDRAM Interface //////////////////////// |
.dram_dq(dram_dq), // SDRAM Data bus 16 Bits |
.dram_addr(dram_addr), // SDRAM Address bus 12 Bits |
.dram_ldqm(dram_ldqm), // SDRAM Low-byte Data Mask |
.dram_udqm(dram_udqm), // SDRAM High-byte Data Mask |
.dram_we_n(dram_we_n), // SDRAM Write Enable |
.dram_cas_n(dram_cas_n), // SDRAM Column Address Strobe |
.dram_ras_n(dram_ras_n), // SDRAM Row Address Strobe |
.dram_cs_n(dram_cs_n), // SDRAM Chip Select |
.dram_ba_0(dram_ba_0), // SDRAM Bank Address 0 |
.dram_ba_1(dram_ba_1), // SDRAM Bank Address 0 |
.dram_clk(dram_clk), // SDRAM Clock |
.dram_cke(dram_cke), // SDRAM Clock Enable |
//////////////////////// Flash Interface //////////////////////// |
.fl_dq(fl_dq), // FLASH Data bus 8 Bits |
.fl_addr(fl_addr), // FLASH Address bus 22 Bits |
.fl_we_n(fl_we_n), // FLASH Write Enable |
.fl_rst_n(fl_rst_n), // FLASH Reset |
.fl_oe_n(fl_oe_n), // FLASH Output Enable |
.fl_ce_n(fl_ce_n), // FLASH Chip Enable |
//////////////////////// SRAM Interface //////////////////////// |
.sram_dq(sram_dq), // SRAM Data bus 16 Bits |
.sram_addr(sram_addr), // SRAM Address bus 18 Bits |
.sram_ub_n(sram_ub_n), // SRAM High-byte Data Mask |
.sram_lb_n(sram_lb_n), // SRAM Low-byte Data Mask |
.sram_we_n(sram_we_n), // SRAM Write Enable |
.sram_ce_n(sram_ce_n), // SRAM Chip Enable |
.sram_oe_n(sram_oe_n), // SRAM Output Enable |
//////////////////// SD Card Interface //////////////////////// |
.sd_dat(sd_dat), // SD Card Data |
.sd_dat3(sd_dat3), // SD Card Data 3 |
.sd_cmd(sd_cmd), // SD Card Command Signal |
.sd_clk(sd_clk), // SD Card Clock |
//////////////////////// I2C //////////////////////////////// |
.i2c_sdat(i2c_sdat), // I2C Data |
.i2c_sclk(i2c_sclk), // I2C Clock |
//////////////////////// PS2 //////////////////////////////// |
.ps2_dat(ps2_dat), // PS2 Data |
.ps2_clk(ps2_clk), // PS2 Clock |
//////////////////// USB JTAG link //////////////////////////// |
.tdi(tdi), // CPLD -> FPGA (data in) |
.tck(tck), // CPLD -> FPGA (clk) |
.tcs(tcs), // CPLD -> FPGA (CS) |
.tdo(tdo), // FPGA -> CPLD (data out) |
//////////////////////// VGA //////////////////////////// |
.vga_hs(vga_hs), // VGA H_SYNC |
.vga_vs(vga_vs), // VGA V_SYNC |
.vga_r(vga_r), // VGA Red[3:0] |
.vga_g(vga_g), // VGA Green[3:0] |
.vga_b(vga_b), // VGA Blue[3:0] |
//////////////////// Audio CODEC //////////////////////////// |
.aud_adclrck(aud_adclrck), // Audio CODEC ADC LR Clock |
.aud_adcdat(aud_adcdat), // Audio CODEC ADC Data |
.aud_daclrck(aud_daclrck), // Audio CODEC DAC LR Clock |
.aud_dacdat(aud_dacdat), // Audio CODEC DAC Data |
.aud_bclk(aud_bclk), // Audio CODEC Bit-Stream Clock |
.aud_xck(aud_xck), // Audio CODEC Chip Clock |
//////////////////////// GPIO //////////////////////////////// |
.gpio_0(gpio_0), // GPIO Connection 0 |
.gpio_1(gpio_1) // GPIO Connection 1 |
); |
|
|
// -------------------------------------------------------------------- |
// IS61LV25616 |
IS61LV25616 i_IS61LV25616 ( |
.A(sram_addr), |
.IO(sram_dq), |
.CE_(sram_ce_n), |
.OE_(sram_oe_n), |
.WE_(sram_we_n), |
.LB_(sram_lb_n), |
.UB_(sram_ub_n) |
); |
|
|
// -------------------------------------------------------------------- |
// s29al032d_00 |
s29al032d_00 #( .UserPreload(1'b1), .mem_file_name( "../../../sw/load_this_to_ram/boot_rom_2.txt" ) ) |
i_s29al032d_00( |
.A21(fl_addr[21]), |
.A20(fl_addr[20]), |
.A19(fl_addr[19]), |
.A18(fl_addr[18]), |
.A17(fl_addr[17]), |
.A16(fl_addr[16]), |
.A15(fl_addr[15]), |
.A14(fl_addr[14]), |
.A13(fl_addr[13]), |
.A12(fl_addr[12]), |
.A11(fl_addr[11]), |
.A10(fl_addr[10]), |
.A9(fl_addr[9]), |
.A8(fl_addr[8]), |
.A7(fl_addr[7]), |
.A6(fl_addr[6]), |
.A5(fl_addr[5]), |
.A4(fl_addr[4]), |
.A3(fl_addr[3]), |
.A2(fl_addr[2]), |
.A1(fl_addr[1]), |
.A0(fl_addr[0]), |
|
.DQ7(fl_dq[7]), |
.DQ6(fl_dq[6]), |
.DQ5(fl_dq[5]), |
.DQ4(fl_dq[4]), |
.DQ3(fl_dq[3]), |
.DQ2(fl_dq[2]), |
.DQ1(fl_dq[1]), |
.DQ0(fl_dq[0]), |
|
.CENeg(fl_ce_n), |
.OENeg(fl_oe_n), |
.WENeg(fl_we_n), |
.RESETNeg(fl_rst_n), |
.ACC(), |
.RY() |
); |
|
|
// -------------------------------------------------------------------- |
// async_mem_master |
wire [31:0] mem_d; |
wire [31:0] mem_a; |
wire mem_oe_n; |
wire [3:0] mem_bls_n; |
wire mem_we_n; |
wire mem_cs_n; |
|
async_mem_master |
async_mem( |
.mem_d( gpio_1[31:0] ), |
.mem_a( gpio_0[23:0] ), |
.mem_oe_n( gpio_0[30] ), |
.mem_bls_n( { gpio_0[26], gpio_0[27], gpio_0[28], gpio_0[29] } ), |
.mem_we_n( gpio_0[25] ), |
.mem_cs_n( gpio_0[24] ), |
|
.tb_clk(tb_clk), |
.tb_rst(tb_rst) |
); |
|
|
endmodule |
|
|
|
/sim/tests/de1_system/tb_top.v
1,61 → 1,61
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_top(); |
|
parameter CLK_PERIOD = 10; |
|
reg tb_clk, tb_rst; |
|
initial |
begin |
tb_clk <= 1'b1; |
tb_rst <= 1'b1; |
|
#(CLK_PERIOD); #(CLK_PERIOD/3); |
tb_rst = 1'b0; |
|
end |
|
always |
#(CLK_PERIOD/2) tb_clk = ~tb_clk; |
|
// -------------------------------------------------------------------- |
// tb_dut |
tb_dut dut( tb_clk, tb_rst ); |
|
|
// -------------------------------------------------------------------- |
// insert test below |
|
initial |
begin |
|
wait( ~tb_rst ); |
|
repeat(2) @(posedge tb_clk); |
|
// |
$display("\n^^^- \n"); |
|
|
dut.async_mem.async_mem_write( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(2) @(posedge tb_clk); |
|
dut.async_mem.async_mem_cmp( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(4) @(posedge tb_clk); |
|
|
$display("\n^^^---------------------------------\n"); |
$display("^^^- Testbench done. %t.\n", $time); |
|
$stop(); |
|
end |
|
endmodule |
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module tb_top(); |
|
parameter CLK_PERIOD = 10; |
|
reg tb_clk, tb_rst; |
|
initial |
begin |
tb_clk <= 1'b1; |
tb_rst <= 1'b1; |
|
#(CLK_PERIOD); #(CLK_PERIOD/3); |
tb_rst = 1'b0; |
|
end |
|
always |
#(CLK_PERIOD/2) tb_clk = ~tb_clk; |
|
// -------------------------------------------------------------------- |
// tb_dut |
tb_dut dut( tb_clk, tb_rst ); |
|
|
// -------------------------------------------------------------------- |
// insert test below |
|
initial |
begin |
|
wait( ~tb_rst ); |
|
repeat(2) @(posedge tb_clk); |
|
// |
$display("\n^^^- \n"); |
|
|
dut.async_mem.async_mem_write( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(2) @(posedge tb_clk); |
|
dut.async_mem.async_mem_cmp( 32'h83000000, 32'habbabeef, 4'b0000 ); |
repeat(4) @(posedge tb_clk); |
|
|
$display("\n^^^---------------------------------\n"); |
$display("^^^- Testbench done. %t.\n", $time); |
|
$stop(); |
|
end |
|
endmodule |
|
/sim/models/s29al032d_00.v
1,2816 → 1,2816
////////////////////////////////////////////////////////////////////////////// |
// File name : s29al032d_00.v |
////////////////////////////////////////////////////////////////////////////// |
// Copyright (C) 2005 Spansion, LLC. |
// |
// MODIFICATION HISTORY : |
// |
// |
// version: | author: | mod date: | changes made: |
// V1.0 D.Lukovic 05 May 17 Initial release |
// |
////////////////////////////////////////////////////////////////////////////// |
// |
// PART DESCRIPTION: |
// |
// Library: FLASH |
// Technology: Flash memory |
// Part: s29al032d_00 |
// |
// Description: 32Mbit (4M x 8-Bit) Flash Memory |
// |
// |
// |
/////////////////////////////////////////////////////////////////////////////// |
// Known Bugs: |
// |
/////////////////////////////////////////////////////////////////////////////// |
`timescale 1 ns/1 ns |
|
module s29al032d_00 |
( |
A21 , |
A20 , |
A19 , |
A18 , |
A17 , |
A16 , |
A15 , |
A14 , |
A13 , |
A12 , |
A11 , |
A10 , |
A9 , |
A8 , |
A7 , |
A6 , |
A5 , |
A4 , |
A3 , |
A2 , |
A1 , |
A0 , |
|
DQ7 , |
DQ6 , |
DQ5 , |
DQ4 , |
DQ3 , |
DQ2 , |
DQ1 , |
DQ0 , |
|
CENeg , |
OENeg , |
WENeg , |
RESETNeg , |
ACC , |
RY |
|
); |
|
//////////////////////////////////////////////////////////////////////// |
// Port / Part Pin Declarations |
//////////////////////////////////////////////////////////////////////// |
|
input A21 ; |
input A20 ; |
input A19 ; |
input A18 ; |
input A17 ; |
input A16 ; |
input A15 ; |
input A14 ; |
input A13 ; |
input A12 ; |
input A11 ; |
input A10 ; |
input A9 ; |
input A8 ; |
input A7 ; |
input A6 ; |
input A5 ; |
input A4 ; |
input A3 ; |
input A2 ; |
input A1 ; |
input A0 ; |
|
inout DQ7 ; |
inout DQ6 ; |
inout DQ5 ; |
inout DQ4 ; |
inout DQ3 ; |
inout DQ2 ; |
inout DQ1 ; |
inout DQ0 ; |
|
input CENeg ; |
input OENeg ; |
input WENeg ; |
input RESETNeg ; |
input ACC ; |
output RY ; |
|
// interconnect path delay signals |
|
wire A21_ipd ; |
wire A20_ipd ; |
wire A19_ipd ; |
wire A18_ipd ; |
wire A17_ipd ; |
wire A16_ipd ; |
wire A15_ipd ; |
wire A14_ipd ; |
wire A13_ipd ; |
wire A12_ipd ; |
wire A11_ipd ; |
wire A10_ipd ; |
wire A9_ipd ; |
wire A8_ipd ; |
wire A7_ipd ; |
wire A6_ipd ; |
wire A5_ipd ; |
wire A4_ipd ; |
wire A3_ipd ; |
wire A2_ipd ; |
wire A1_ipd ; |
wire A0_ipd ; |
|
wire [21 : 0] A; |
assign A = { |
A21_ipd, |
A20_ipd, |
A19_ipd, |
A18_ipd, |
A17_ipd, |
A16_ipd, |
A15_ipd, |
A14_ipd, |
A13_ipd, |
A12_ipd, |
A11_ipd, |
A10_ipd, |
A9_ipd, |
A8_ipd, |
A7_ipd, |
A6_ipd, |
A5_ipd, |
A4_ipd, |
A3_ipd, |
A2_ipd, |
A1_ipd, |
A0_ipd }; |
|
wire DQ7_ipd ; |
wire DQ6_ipd ; |
wire DQ5_ipd ; |
wire DQ4_ipd ; |
wire DQ3_ipd ; |
wire DQ2_ipd ; |
wire DQ1_ipd ; |
wire DQ0_ipd ; |
|
wire [7 : 0 ] DIn; |
assign DIn = {DQ7_ipd, |
DQ6_ipd, |
DQ5_ipd, |
DQ4_ipd, |
DQ3_ipd, |
DQ2_ipd, |
DQ1_ipd, |
DQ0_ipd }; |
|
wire [7 : 0 ] DOut; |
assign DOut = {DQ7, |
DQ6, |
DQ5, |
DQ4, |
DQ3, |
DQ2, |
DQ1, |
DQ0 }; |
|
wire CENeg_ipd ; |
wire OENeg_ipd ; |
wire WENeg_ipd ; |
wire RESETNeg_ipd ; |
wire ACC_ipd ; |
wire VIO_ipd ; |
|
// internal delays |
|
reg HANG_out ; // Program/Erase Timing Limit |
reg HANG_in ; |
reg START_T1 ; // Start TimeOut |
reg START_T1_in ; |
reg CTMOUT ; // Sector Erase TimeOut |
reg CTMOUT_in ; |
reg READY_in ; |
reg READY ; // Device ready after reset |
|
reg [7 : 0] DOut_zd; |
wire DQ7_Pass ; |
wire DQ6_Pass ; |
wire DQ5_Pass ; |
wire DQ4_Pass ; |
wire DQ3_Pass ; |
wire DQ2_Pass ; |
wire DQ1_Pass ; |
wire DQ0_Pass ; |
|
reg [7 : 0] DOut_Pass; |
assign {DQ7_Pass, |
DQ6_Pass, |
DQ5_Pass, |
DQ4_Pass, |
DQ3_Pass, |
DQ2_Pass, |
DQ1_Pass, |
DQ0_Pass } = DOut_Pass; |
|
reg RY_zd; |
|
parameter UserPreload = 1'b0; |
parameter mem_file_name = "none"; |
parameter prot_file_name = "none"; |
parameter secsi_file_name = "none"; |
|
parameter TimingModel = "DefaultTimingModel"; |
|
parameter DelayValues = "FROM_PLI"; |
parameter PartID = "s29al032d"; |
parameter MaxData = 255; |
parameter SecSize = 65535; |
parameter SecNum = 63; |
parameter HiAddrBit = 21; |
parameter SecSiSize = 255; |
|
// powerup |
reg PoweredUp; |
|
//FSM control signals |
reg ULBYPASS ; ////Unlock Bypass Active |
reg ESP_ACT ; ////Erase Suspend |
reg OTP_ACT ; ////SecSi Access |
|
reg PDONE ; ////Prog. Done |
reg PSTART ; ////Start Programming |
//Program location is in protected sector |
reg PERR ; |
|
reg EDONE ; ////Ers. Done |
reg ESTART ; ////Start Erase |
reg ESUSP ; ////Suspend Erase |
reg ERES ; ////Resume Erase |
//All sectors selected for erasure are protected |
reg EERR ; |
|
//Sectors selected for erasure |
reg [SecNum:0] Ers_queue; // = SecNum'b0; |
|
//Command Register |
reg write ; |
reg read ; |
|
//Sector Address |
integer SecAddr = 0; |
|
integer SA = 0; |
|
//Address within sector |
integer Address = 0; |
integer MemAddress = 0; |
integer SecSiAddr = 0; |
|
integer AS_ID = 0; |
integer AS_SecSi_FP = 0; |
integer AS_ID2 = 0; |
//A19:A11 Don't Care |
integer Addr ; |
|
//glitch protection |
wire gWE_n ; |
wire gCE_n ; |
wire gOE_n ; |
|
reg RST ; |
reg reseted ; |
|
integer Mem[0:(SecNum+1)*(SecSize+1)-1]; |
//Sector Protection Status |
reg [SecNum:0] Sec_Prot; |
|
// timing check violation |
reg Viol = 1'b0; |
// CFI query address |
integer SecSi[0:SecSiSize]; |
integer CFI_array[16:79]; |
|
reg FactoryProt = 0; |
|
integer WBData; |
integer WBAddr; |
|
reg oe = 1'b0; |
event oe_event; |
|
event initOK; |
event MergeE; |
|
//Status reg. |
reg[15:0] Status = 8'b0; |
|
reg[7:0] old_bit, new_bit; |
integer old_int, new_int; |
integer wr_cnt; |
reg[7:0] temp; |
|
integer S_ind = 0; |
integer ind = 0; |
|
integer i,j,k; |
|
integer Debug; |
|
//TPD_XX_DATA |
time OEDQ_t; |
time CEDQ_t; |
time ADDRDQ_t; |
time OENeg_event; |
time CENeg_event; |
time OENeg_posEvent; |
time CENeg_posEvent; |
time ADDR_event; |
reg FROMOE; |
reg FROMCE; |
reg FROMADDR; |
integer OEDQ_01; |
integer CEDQ_01; |
integer ADDRDQ_01; |
|
reg[7:0] TempData; |
|
/////////////////////////////////////////////////////////////////////////////// |
//Interconnect Path Delay Section |
/////////////////////////////////////////////////////////////////////////////// |
buf (A21_ipd, A21); |
buf (A20_ipd, A20); |
buf (A19_ipd, A19); |
buf (A18_ipd, A18); |
buf (A17_ipd, A17); |
buf (A16_ipd, A16); |
buf (A15_ipd, A15); |
buf (A14_ipd, A14); |
buf (A13_ipd, A13); |
buf (A12_ipd, A12); |
buf (A11_ipd, A11); |
buf (A10_ipd, A10); |
buf (A9_ipd , A9 ); |
buf (A8_ipd , A8 ); |
buf (A7_ipd , A7 ); |
buf (A6_ipd , A6 ); |
buf (A5_ipd , A5 ); |
buf (A4_ipd , A4 ); |
buf (A3_ipd , A3 ); |
buf (A2_ipd , A2 ); |
buf (A1_ipd , A1 ); |
buf (A0_ipd , A0 ); |
|
buf (DQ7_ipd , DQ7 ); |
buf (DQ6_ipd , DQ6 ); |
buf (DQ5_ipd , DQ5 ); |
buf (DQ4_ipd , DQ4 ); |
buf (DQ3_ipd , DQ3 ); |
buf (DQ2_ipd , DQ2 ); |
buf (DQ1_ipd , DQ1 ); |
buf (DQ0_ipd , DQ0 ); |
|
buf (CENeg_ipd , CENeg ); |
buf (OENeg_ipd , OENeg ); |
buf (WENeg_ipd , WENeg ); |
buf (RESETNeg_ipd , RESETNeg ); |
buf (ACC_ipd , ACC ); |
/////////////////////////////////////////////////////////////////////////////// |
// Propagation delay Section |
/////////////////////////////////////////////////////////////////////////////// |
nmos (DQ7 , DQ7_Pass , 1); |
nmos (DQ6 , DQ6_Pass , 1); |
nmos (DQ5 , DQ5_Pass , 1); |
nmos (DQ4 , DQ4_Pass , 1); |
nmos (DQ3 , DQ3_Pass , 1); |
nmos (DQ2 , DQ2_Pass , 1); |
nmos (DQ1 , DQ1_Pass , 1); |
nmos (DQ0 , DQ0_Pass , 1); |
nmos (RY , 1'b0 , ~RY_zd); |
|
wire deg; |
|
//VHDL VITAL CheckEnable equivalents |
// Address setup/hold near WE# falling edge |
wire CheckEnable_A0_WE; |
assign CheckEnable_A0_WE = ~CENeg && OENeg; |
// Data setup/hold near WE# rising edge |
wire CheckEnable_DQ0_WE; |
assign CheckEnable_DQ0_WE = ~CENeg && OENeg && deg; |
// Address setup/hold near CE# falling edge |
wire CheckEnable_A0_CE; |
assign CheckEnable_A0_CE = ~WENeg && OENeg; |
// Data setup/hold near CE# rising edge |
wire CheckEnable_DQ0_CE; |
assign CheckEnable_DQ0_CE = ~WENeg && OENeg && deg; |
|
specify |
|
// tipd delays: interconnect path delays , mapped to input port delays. |
// In Verilog is not necessary to declare any tipd_ delay variables, |
// they can be taken from SDF file |
// With all the other delays real delays would be taken from SDF file |
|
// tpd delays |
specparam tpd_RESETNeg_DQ0 =1; |
specparam tpd_A0_DQ0 =1;//tacc ok |
specparam tpd_CENeg_DQ0 =1;//ok |
//(tCE,tCE,tDF,-,tDF,-) |
specparam tpd_OENeg_DQ0 =1;//ok |
//(tOE,tOE,tDF,-,tDF,-) |
specparam tpd_WENeg_RY =1; //tBUSY |
specparam tpd_CENeg_RY =1; //tBUSY |
|
// tsetup values: setup time |
specparam tsetup_A0_WENeg =1; //tAS edge \ |
specparam tsetup_DQ0_WENeg =1; //tDS edge / |
|
// thold values: hold times |
specparam thold_A0_WENeg =1; //tAH edge \ |
specparam thold_DQ0_CENeg =1; //tDH edge / |
specparam thold_OENeg_WENeg =1; //tOEH edge / |
specparam thold_CENeg_RESETNeg =1; //tRH edge / |
specparam thold_WENeg_OENeg =1; //tGHVL edge / |
|
// tpw values: pulse width |
specparam tpw_RESETNeg_negedge =1; //tRP |
specparam tpw_WENeg_negedge =1; //tWP |
specparam tpw_WENeg_posedge =1; //tWPH |
specparam tpw_CENeg_negedge =1; //tCP |
specparam tpw_CENeg_posedge =1; //tCEPH |
specparam tpw_A0_negedge =1; //tWC tRC ok |
specparam tpw_A0_posedge =1; //tWC tRC ok |
|
// tdevice values: values for internal delays |
//Program Operation |
specparam tdevice_POB = 9000; //9 us; |
//Sector Erase Operation |
specparam tdevice_SEO = 700000000; //700 ms; |
//Timing Limit Exceeded |
specparam tdevice_HANG = 400000000; //400 ms; |
//Erase suspend time |
specparam tdevice_START_T1 = 20000; //20 us; |
//sector erase command sequence timeout |
specparam tdevice_CTMOUT = 50000; //50 us; |
//device ready after Hardware reset(during embeded algorithm) |
specparam tdevice_READY = 20000; //20 us; //tReady |
|
// If tpd values are fetched from specify block, these parameters |
// must change along with SDF values, SDF values change will NOT |
// imlicitly apply here ! |
// If you want tpd values to be fetched by the model itself, please |
// use the PLI routine approach but be shure to set parameter |
// DelayValues to "FROM_PLI" as default |
|
/////////////////////////////////////////////////////////////////////////////// |
// Input Port Delays don't require Verilog description |
/////////////////////////////////////////////////////////////////////////////// |
// Path delays // |
/////////////////////////////////////////////////////////////////////////////// |
//for DQ signals |
if (FROMCE) |
( CENeg => DQ0 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ1 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ2 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ3 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ4 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ5 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ6 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ7 ) = tpd_CENeg_DQ0; |
|
if (FROMOE) |
( OENeg => DQ0 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ1 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ2 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ3 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ4 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ5 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ6 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ7 ) = tpd_OENeg_DQ0; |
|
if (FROMADDR) |
( A0 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A19 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A20 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A21 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ7 ) = tpd_A0_DQ0; |
|
if (~RESETNeg) |
( RESETNeg => DQ0 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ1 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ2 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ3 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ4 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ5 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ6 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ7 ) = tpd_RESETNeg_DQ0; |
|
//for RY signal |
(WENeg => RY) = tpd_WENeg_RY; |
(CENeg => RY) = tpd_CENeg_RY; |
|
//////////////////////////////////////////////////////////////////////////////// |
// Timing Violation // |
//////////////////////////////////////////////////////////////////////////////// |
|
$setup ( A0 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A1 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A2 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A3 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A4 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A5 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A6 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A7 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A8 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A9 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A10, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A11, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A12, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A13, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A14, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A15, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A16, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A17, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A18, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A19, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A20, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A21, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
|
$setup ( A0 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A1 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A2 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A3 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A4 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A5 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A6 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A7 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A8 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A9 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A10, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A11, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A12, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A13, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A14, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A15, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A16, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A17, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A18, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A19, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A20, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A21, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
|
$setup ( DQ0, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ1, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ2, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ3, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ4, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ5, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ6, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ7, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
|
$setup ( DQ0, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ1, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ2, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ3, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ4, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ5, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ6, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ7, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
|
$hold ( posedge RESETNeg&&&(CENeg===1), CENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge RESETNeg&&&(OENeg===1), OENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge RESETNeg&&&(WENeg===1), WENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge OENeg, WENeg, thold_WENeg_OENeg, Viol); |
$hold ( posedge WENeg, OENeg, thold_OENeg_WENeg, Viol); |
|
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A0 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A1 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A2 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A3 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A4 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A5 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A6 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A7 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A9 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A10 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A11 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A12 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A13 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A14 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A15 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A16 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A17 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A18 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A19 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A20 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A21 , thold_A0_WENeg, Viol); |
|
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A0 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A1 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A2 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A3 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A4 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A5 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A6 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A7 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A8 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A9 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A10 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A11 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A12 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A13 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A14 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A15 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A16 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A17 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A18 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A19 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A20 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A21 , thold_A0_WENeg, Viol); |
|
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ0, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ1, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ2, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ3, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ4, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ5, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ6, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ7, thold_DQ0_CENeg, Viol); |
|
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ0, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ1, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ2, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ3, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ4, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ5, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ6, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ7, thold_DQ0_CENeg, Viol); |
|
$width (negedge RESETNeg, tpw_RESETNeg_negedge); |
$width (posedge WENeg, tpw_WENeg_posedge); |
$width (negedge WENeg, tpw_WENeg_negedge); |
$width (posedge CENeg, tpw_CENeg_posedge); |
$width (negedge CENeg, tpw_CENeg_negedge); |
$width (negedge A0, tpw_A0_negedge);//ok |
$width (negedge A1, tpw_A0_negedge);//ok |
$width (negedge A2, tpw_A0_negedge);//ok |
$width (negedge A3, tpw_A0_negedge);//ok |
$width (negedge A4, tpw_A0_negedge);//ok |
$width (negedge A5, tpw_A0_negedge);//ok |
$width (negedge A6, tpw_A0_negedge);//ok |
$width (negedge A7, tpw_A0_negedge);//ok |
$width (negedge A8, tpw_A0_negedge);//ok |
$width (negedge A9, tpw_A0_negedge);//ok |
$width (negedge A10, tpw_A0_negedge);//ok |
$width (negedge A11, tpw_A0_negedge);//ok |
$width (negedge A12, tpw_A0_negedge);//ok |
$width (negedge A13, tpw_A0_negedge);//ok |
$width (negedge A14, tpw_A0_negedge);//ok |
$width (negedge A15, tpw_A0_negedge);//ok |
$width (negedge A16, tpw_A0_negedge);//ok |
$width (negedge A17, tpw_A0_negedge);//ok |
$width (negedge A18, tpw_A0_negedge);//ok |
$width (negedge A19, tpw_A0_negedge);//ok |
$width (negedge A20, tpw_A0_negedge);//ok |
$width (negedge A21, tpw_A0_negedge);//ok |
$width (posedge A0, tpw_A0_posedge);//ok |
$width (posedge A1, tpw_A0_posedge);//ok |
$width (posedge A2, tpw_A0_posedge);//ok |
$width (posedge A3, tpw_A0_posedge);//ok |
$width (posedge A4, tpw_A0_posedge);//ok |
$width (posedge A5, tpw_A0_posedge);//ok |
$width (posedge A6, tpw_A0_posedge);//ok |
$width (posedge A7, tpw_A0_posedge);//ok |
$width (posedge A8, tpw_A0_posedge);//ok |
$width (posedge A9, tpw_A0_posedge);//ok |
$width (posedge A10, tpw_A0_posedge);//ok |
$width (posedge A11, tpw_A0_posedge);//ok |
$width (posedge A12, tpw_A0_posedge);//ok |
$width (posedge A13, tpw_A0_posedge);//ok |
$width (posedge A14, tpw_A0_posedge);//ok |
$width (posedge A15, tpw_A0_posedge);//ok |
$width (posedge A16, tpw_A0_posedge);//ok |
$width (posedge A17, tpw_A0_posedge);//ok |
$width (posedge A18, tpw_A0_posedge);//ok |
$width (posedge A19, tpw_A0_posedge);//ok |
$width (posedge A20, tpw_A0_posedge);//ok |
$width (posedge A21, tpw_A0_posedge);//ok |
|
endspecify |
|
//////////////////////////////////////////////////////////////////////////////// |
// Main Behavior Block // |
//////////////////////////////////////////////////////////////////////////////// |
|
// FSM states |
parameter RESET =6'd0; |
parameter Z001 =6'd1; |
parameter PREL_SETBWB =6'd2; |
parameter PREL_ULBYPASS =6'd3; |
parameter PREL_ULBYPASS_RESET =6'd4; |
parameter AS =6'd5; |
parameter A0SEEN =6'd6; |
parameter OTP =6'd7; |
parameter OTP_Z001 =6'd8; |
parameter OTP_PREL =6'd9; |
parameter OTP_AS =6'd10; |
parameter OTP_AS_CFI =6'd11; |
parameter OTP_A0SEEN =6'd12; |
parameter C8 =6'd13; |
parameter C8_Z001 =6'd14; |
parameter C8_PREL =6'd15; |
parameter ERS =6'd16; |
parameter SERS =6'd17; |
parameter ESPS =6'd18; |
parameter SERS_EXEC =6'd19; |
parameter ESP =6'd20; |
parameter ESP_Z001 =6'd21; |
parameter ESP_PREL =6'd22; |
parameter ESP_A0SEEN =6'd23; |
parameter ESP_AS =6'd24; |
parameter PGMS =6'd25; |
parameter CFI =6'd26; |
parameter AS_CFI =6'd27; |
parameter ESP_CFI =6'd28; |
parameter ESP_AS_CFI =6'd29; |
|
reg [5:0] current_state; |
reg [5:0] next_state; |
|
reg deq; |
|
always @(DIn, DOut) |
begin |
if (DIn==DOut) |
deq=1'b1; |
else |
deq=1'b0; |
end |
// check when data is generated from model to avoid setuphold check in |
// those occasion |
assign deg =deq; |
|
// initialize memory and load preoload files if any |
initial |
begin : NBlck |
integer i,j; |
integer tmp1,tmp2,tmp3; |
integer secure_silicon[0:SecSiSize]; |
reg sector_prot[0:SecNum]; |
|
for (i=0;i<=((SecNum+1)*(SecSize+1)-1);i=i+1) |
begin |
Mem[i]=MaxData; |
end |
for (i=0;i<=SecSiSize;i=i+1) |
begin |
secure_silicon[i]=MaxData; |
end |
for (i=0;i<=SecNum;i=i+1) |
begin |
sector_prot[i]=0; |
end |
if (UserPreload && !(prot_file_name == "none")) |
begin |
//s29al032d_00_prot sector protect file |
// // - comment |
// @aa - <aa> stands for sector address |
// (aa is incremented at every load) |
// b - <b> is 1 for protected sector <aa>, 0 for unprotect. |
$readmemb(prot_file_name,sector_prot); |
end |
if (UserPreload && !(mem_file_name == "none")) |
begin |
//s29al032d_00_memory preload file |
// @aaaaaa - <aaaaaa> stands for address within last defined sector |
// dd - <dd> is byte to be written at Mem(nn)(aaaaaa++) |
// (aaaaaa is incremented at every load) |
$readmemh(mem_file_name,Mem); |
end |
if (UserPreload && !(secsi_file_name == "none")) |
begin |
//s29al032d_00_secsi memory preload file |
// @aaaa - <aaaa> stands for address within last defined sector |
// dd - <dd> is byte to be written at Mem(nn)(aaaa++) |
// (aaaa is incremented at every load) |
$readmemh(secsi_file_name,secure_silicon); |
end |
|
for (i=0;i<=SecSiSize;i=i+1) |
begin |
SecSi[i] = secure_silicon[i]; |
end |
for (i=0;i<=SecNum;i=i+1) |
Ers_queue[i] = 0; |
// every 4-group sectors protect bit must equel |
for (i=0;i<=SecNum;i=i+1) |
Sec_Prot[i] = sector_prot[i]; |
|
if ((Sec_Prot[3:0] != 4'h0 && Sec_Prot[3:0] != 4'hF) |
|| (Sec_Prot[7:4] != 4'h0 && Sec_Prot[7:4] != 4'hF) |
|| (Sec_Prot[11:8] != 4'h0 && Sec_Prot[11:8] != 4'hF) |
|| (Sec_Prot[15:12] != 4'h0 && Sec_Prot[15:12] != 4'hF) |
|| (Sec_Prot[19:16] != 4'h0 && Sec_Prot[19:16] != 4'hF) |
|| (Sec_Prot[23:20] != 4'h0 && Sec_Prot[23:20] != 4'hF) |
|| (Sec_Prot[27:24] != 4'h0 && Sec_Prot[27:24] != 4'hF) |
|| (Sec_Prot[31:28] != 4'h0 && Sec_Prot[31:28] != 4'hF) |
|| (Sec_Prot[35:32] != 4'h0 && Sec_Prot[35:32] != 4'hF) |
|| (Sec_Prot[39:36] != 4'h0 && Sec_Prot[39:36] != 4'hF) |
|| (Sec_Prot[43:40] != 4'h0 && Sec_Prot[43:40] != 4'hF) |
|| (Sec_Prot[47:44] != 4'h0 && Sec_Prot[47:44] != 4'hF) |
|| (Sec_Prot[51:48] != 4'h0 && Sec_Prot[51:48] != 4'hF) |
|| (Sec_Prot[55:52] != 4'h0 && Sec_Prot[55:52] != 4'hF) |
|| (Sec_Prot[59:56] != 4'h0 && Sec_Prot[59:56] != 4'hF) |
|| (Sec_Prot[63:60] != 4'h0 && Sec_Prot[63:60] != 4'hF)) |
|
$display("Bad sector protect group preload"); |
|
WBData = -1; |
|
end |
|
//Power Up time 100 ns; |
initial |
begin |
PoweredUp = 1'b0; |
#100 PoweredUp = 1'b1; |
end |
|
always @(RESETNeg) |
begin |
RST <= #499 RESETNeg; |
end |
|
initial |
begin |
write = 1'b0; |
read = 1'b0; |
Addr = 0; |
|
ULBYPASS = 1'b0; |
ESP_ACT = 1'b0; |
OTP_ACT = 1'b0; |
|
PDONE = 1'b1; |
PSTART = 1'b0; |
|
PERR = 1'b0; |
|
EDONE = 1'b1; |
ESTART = 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
|
EERR = 1'b0; |
READY_in = 1'b0; |
READY = 1'b0; |
end |
|
always @(posedge START_T1_in) |
begin:TESTARTT1r |
#tdevice_START_T1 START_T1 = START_T1_in; |
end |
always @(negedge START_T1_in) |
begin:TESTARTT1f |
#1 START_T1 = START_T1_in; |
end |
|
always @(posedge CTMOUT_in) |
begin:TCTMOUTr |
#tdevice_CTMOUT CTMOUT = CTMOUT_in; |
end |
always @(negedge CTMOUT_in) |
begin:TCTMOUTf |
#1 CTMOUT = CTMOUT_in; |
end |
|
always @(posedge READY_in) |
begin:TREADYr |
#tdevice_READY READY = READY_in; |
end |
always @(negedge READY_in) |
begin:TREADYf |
#1 READY = READY_in; |
end |
//////////////////////////////////////////////////////////////////////////// |
//// obtain 'LAST_EVENT information |
//////////////////////////////////////////////////////////////////////////// |
always @(negedge OENeg) |
begin |
OENeg_event = $time; |
end |
always @(negedge CENeg) |
begin |
CENeg_event = $time; |
end |
|
always @(posedge OENeg) |
begin |
OENeg_posEvent = $time; |
end |
always @(posedge CENeg) |
begin |
CENeg_posEvent = $time; |
end |
|
always @(A) |
begin |
ADDR_event = $time; |
end |
|
//////////////////////////////////////////////////////////////////////////// |
//// sequential process for reset control and FSM state transition |
//////////////////////////////////////////////////////////////////////////// |
always @(negedge RST) |
begin |
ESP_ACT = 1'b0; |
ULBYPASS = 1'b0; |
OTP_ACT = 1'b0; |
end |
|
reg R; |
reg E; |
always @(RESETNeg) |
begin |
if (PoweredUp) |
begin |
//Hardware reset timing control |
if (~RESETNeg) |
begin |
E = 1'b0; |
if (~PDONE || ~EDONE) |
begin |
//if program or erase in progress |
READY_in = 1'b1; |
R = 1'b1; |
end |
else |
begin |
READY_in = 1'b0; |
R = 1'b0; //prog or erase not in progress |
end |
end |
else if (RESETNeg && RST) |
begin |
//RESET# pulse < tRP |
READY_in = 1'b0; |
R = 1'b0; |
E = 1'b1; |
end |
end |
end |
|
always @(next_state or RESETNeg or CENeg or RST or |
READY or PoweredUp) |
begin: StateTransition |
|
if (PoweredUp) |
begin |
if (RESETNeg && (~R || (R && READY))) |
begin |
current_state = next_state; |
READY_in = 1'b0; |
E = 1'b0; |
R = 1'b0; |
reseted = 1'b1; |
end |
else if ((~R && ~RESETNeg && ~RST) || |
(R && ~RESETNeg && ~RST && ~READY) || |
(R && RESETNeg && ~RST && ~READY)) |
begin |
//no state transition while RESET# low |
current_state = RESET; //reset start |
reseted = 1'b0; |
end |
end |
else |
begin |
current_state = RESET; // reset |
reseted = 1'b0; |
E = 1'b0; |
R = 1'b0; |
end |
end |
|
// ///////////////////////////////////////////////////////////////////////// |
// //Glitch Protection: Inertial Delay does not propagate pulses <5ns |
// ///////////////////////////////////////////////////////////////////////// |
assign #5 gWE_n = WENeg_ipd; |
assign #5 gCE_n = CENeg_ipd; |
assign #5 gOE_n = OENeg_ipd; |
|
/////////////////////////////////////////////////////////////////////////// |
//Process that reports warning when changes on signals WE#, CE#, OE# are |
//discarded |
/////////////////////////////////////////////////////////////////////////// |
always @(WENeg) |
begin: PulseWatch1 |
if (gWE_n == WENeg) |
$display("Glitch on WE#"); |
end |
always @(CENeg) |
begin: PulseWatch2 |
if (gCE_n == CENeg) |
$display("Glitch on CE#"); |
end |
always @(OENeg) |
begin: PulseWatch3 |
if (gOE_n == OENeg) |
$display("Glitch on OE#"); |
end |
|
//latch address on rising edge and data on falling edge of write |
always @(gWE_n or gCE_n or gOE_n ) |
begin: write_dc |
if (RESETNeg!=1'b0) |
begin |
if (~gWE_n && ~gCE_n && gOE_n) |
write = 1'b1; |
else |
write = 1'b0; |
end |
|
if (gWE_n && ~gCE_n && ~gOE_n) |
read = 1'b1; |
else |
read = 1'b0; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
////Latch address on falling edge of WE# or CE# what ever comes later |
////Latch data on rising edge of WE# or CE# what ever comes first |
//// also Write cycle decode |
//////////////////////////////////////////////////////////////////////////// |
integer A_tmp ; |
integer SA_tmp ; |
integer A_tmp1 ; |
integer Mem_tmp; |
integer AS_addr; |
reg CE; |
|
always @(WENeg_ipd) |
begin |
if (reseted) |
begin |
if (~WENeg_ipd && ~CENeg_ipd && OENeg_ipd ) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
end |
end |
end |
|
always @(CENeg_ipd) |
begin |
if (reseted) |
begin |
if (~CENeg_ipd && (WENeg_ipd != OENeg_ipd) ) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
end |
if (~CENeg_ipd && WENeg_ipd && ~OENeg_ipd) |
begin |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
end |
end |
end |
|
always @(negedge OENeg_ipd ) |
begin |
if (reseted) |
begin |
if (~OENeg_ipd && WENeg_ipd && ~CENeg_ipd) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
AS_addr = A[21]; |
end |
|
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
CE = CENeg; |
Addr = A_tmp; |
end |
end |
|
always @(A) |
begin |
if (reseted) |
if (WENeg_ipd && ~CENeg_ipd && ~OENeg_ipd) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
CE = CENeg; |
end |
end |
|
always @(posedge write) |
begin |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
CE = CENeg; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
// Timing control for the Program Operations |
/////////////////////////////////////////////////////////////////////////// |
|
integer cnt_write = 0; |
//time elapsed_write ; |
time duration_write ; |
//time start_write ; |
event pdone_event; |
|
always @(posedge reseted) |
begin |
PDONE = 1'b1; |
end |
|
always @(reseted or PSTART) |
begin |
if (reseted) |
begin |
if (PSTART && PDONE) |
begin |
if ((~FactoryProt && OTP_ACT)|| |
( ~Sec_Prot[SA] &&(~Ers_queue[SA] || ~ESP_ACT )&& ~OTP_ACT)) |
begin |
duration_write = tdevice_POB + 5; |
PDONE = 1'b0; |
->pdone_event; |
end |
else |
begin |
PERR = 1'b1; |
PERR <= #1005 1'b0; |
end |
end |
end |
end |
|
always @(pdone_event) |
begin:pdone_process |
PDONE = 1'b0; |
#duration_write PDONE = 1'b1; |
end |
|
///////////////////////////////////////////////////////////////////////// |
// Timing control for the Erase Operations |
///////////////////////////////////////////////////////////////////////// |
integer cnt_erase = 0; |
time elapsed_erase; |
time duration_erase; |
time start_erase; |
|
always @(posedge reseted) |
begin |
disable edone_process; |
EDONE = 1'b1; |
end |
event edone_event; |
always @(reseted or ESTART) |
begin: erase |
integer i; |
if (reseted) |
begin |
if (ESTART && EDONE) |
begin |
cnt_erase = 0; |
for (i=0;i<=SecNum;i=i+1) |
begin |
if ((Ers_queue[i]==1'b1) && (Sec_Prot[i]!=1'b1)) |
cnt_erase = cnt_erase + 1; |
end |
|
if (cnt_erase>0) |
begin |
elapsed_erase = 0; |
duration_erase = cnt_erase* tdevice_SEO + 4; |
->edone_event; |
start_erase = $time; |
end |
else |
begin |
EERR = 1'b1; |
EERR <= #100005 1'b0; |
end |
end |
end |
end |
|
always @(edone_event) |
begin : edone_process |
EDONE = 1'b0; |
#duration_erase EDONE = 1'b1; |
end |
|
always @(reseted or ESUSP) |
begin |
if (reseted) |
if (ESUSP && ~EDONE) |
begin |
disable edone_process; |
elapsed_erase = $time - start_erase; |
duration_erase = duration_erase - elapsed_erase; |
EDONE = 1'b0; |
end |
end |
always @(reseted or ERES) |
begin |
if (reseted) |
if (ERES && ~EDONE) |
begin |
start_erase = $time; |
EDONE = 1'b0; |
->edone_event; |
end |
end |
|
// ///////////////////////////////////////////////////////////////////////// |
// // Main Behavior Process |
// // combinational process for next state generation |
// ///////////////////////////////////////////////////////////////////////// |
reg PATTERN_1 = 1'b0; |
reg PATTERN_2 = 1'b0; |
reg A_PAT_1 = 1'b0; |
reg A_PAT_2 = 1'b0; |
reg A_PAT_3 = 1'b0; |
integer DataByte ; |
|
always @(negedge write) |
begin |
DataByte = DIn; |
PATTERN_1 = DataByte==8'hAA ; |
PATTERN_2 = DataByte==8'h55 ; |
A_PAT_1 = 1'b1; |
A_PAT_2 = Address==16'hAAA ; |
A_PAT_3 = Address==16'h555 ; |
|
end |
|
always @(write or reseted) |
begin: StateGen1 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
if (~write) |
case (current_state) |
RESET : |
begin |
if (PATTERN_1) |
next_state = Z001; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = CFI; |
else |
next_state = RESET; |
end |
|
CFI: |
begin |
if (DataByte==8'hF0) |
next_state = RESET; |
else |
next_state = CFI; |
end |
|
Z001 : |
begin |
if (PATTERN_2) |
next_state = PREL_SETBWB; |
else |
next_state = RESET; |
end |
|
PREL_SETBWB : |
begin |
if (A_PAT_1 && (DataByte==16'h20)) |
next_state = PREL_ULBYPASS; |
else if (A_PAT_1 && (DataByte==16'h90)) |
next_state = AS; |
else if (A_PAT_1 && (DataByte==16'hA0)) |
next_state = A0SEEN; |
else if (A_PAT_1 && (DataByte==16'h80)) |
next_state = C8; |
else if (A_PAT_1 && (DataByte==16'h88)) |
next_state = OTP; |
else |
next_state = RESET; |
end |
|
PREL_ULBYPASS : |
begin |
if (DataByte == 16'h90 ) |
next_state <= PREL_ULBYPASS_RESET; |
if (A_PAT_1 && (DataByte == 16'hA0)) |
next_state = A0SEEN; |
else |
next_state = PREL_ULBYPASS; |
end |
|
PREL_ULBYPASS_RESET : |
begin |
if (DataByte == 16'h00 ) |
if (ESP_ACT) |
next_state = ESP; |
else |
next_state = RESET; |
else |
next_state <= PREL_ULBYPASS; |
end |
|
AS : |
begin |
if (DataByte==16'hF0) |
next_state = RESET; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = AS_CFI; |
else |
next_state = AS; |
end |
|
AS_CFI: |
begin |
if (DataByte==8'hF0) |
next_state = AS; |
else |
next_state = AS_CFI; |
end |
|
A0SEEN : |
begin |
next_state = PGMS; |
end |
|
OTP : |
begin |
if (PATTERN_1) |
next_state = OTP_Z001; |
else |
next_state = OTP; |
end |
|
OTP_Z001 : |
begin |
if (PATTERN_2) |
next_state = OTP_PREL; |
else |
next_state = OTP; |
end |
|
OTP_PREL : |
begin |
if (A_PAT_1 && (DataByte == 16'h90)) |
next_state = OTP_AS; |
else if (A_PAT_1 && (DataByte == 16'hA0)) |
next_state = OTP_A0SEEN; |
else |
next_state = OTP; |
end |
|
OTP_AS: |
begin |
if (DataByte == 16'h00) |
if (ESP_ACT) |
next_state = ESP; |
else |
next_state = RESET; |
else if (DataByte == 16'hF0) |
next_state = OTP; |
else if (DataByte == 16'h98) |
next_state = OTP_AS_CFI; |
else |
next_state = OTP_AS; |
end |
|
OTP_AS_CFI: |
begin |
if (DataByte == 16'hF0) |
next_state = OTP_AS; |
else |
next_state = OTP_AS_CFI; |
end |
|
OTP_A0SEEN : |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
next_state = PGMS; |
else |
next_state = OTP; |
end |
|
C8 : |
begin |
if (PATTERN_1) |
next_state = C8_Z001; |
else |
next_state = RESET; |
end |
|
C8_Z001 : |
begin |
if (PATTERN_2) |
next_state = C8_PREL; |
else |
next_state = RESET; |
end |
|
C8_PREL : |
begin |
if (A_PAT_1 && (DataByte==16'h10)) |
next_state = ERS; |
else if (DataByte==16'h30) |
next_state = SERS; |
else |
next_state = RESET; |
end |
|
ERS : |
begin |
end |
|
SERS : |
begin |
if (~CTMOUT && DataByte == 16'hB0) |
next_state = ESP; // ESP according to datasheet |
else if (DataByte==16'h30) |
next_state = SERS; |
else |
next_state = RESET; |
end |
|
SERS_EXEC : |
begin |
end |
|
ESP : |
begin |
if (DataByte == 16'h30) |
next_state = SERS_EXEC; |
else |
begin |
if (PATTERN_1) |
next_state = ESP_Z001; |
if (Addr == 8'h55 && DataByte == 8'h98) |
next_state = ESP_CFI; |
end |
end |
|
ESP_CFI: |
begin |
if (DataByte == 8'hF0) |
next_state = ESP; |
else |
next_state = ESP_CFI; |
end |
|
ESP_Z001 : |
begin |
if (PATTERN_2) |
next_state = ESP_PREL; |
else |
next_state = ESP; |
end |
|
ESP_PREL : |
begin |
if (A_PAT_1 && DataByte == 16'hA0) |
next_state = ESP_A0SEEN; |
else if (A_PAT_1 && DataByte == 16'h20) |
next_state <= PREL_ULBYPASS; |
else if (A_PAT_1 && DataByte == 16'h88) |
next_state <= OTP; |
else if (A_PAT_1 && DataByte == 16'h90) |
next_state = ESP_AS; |
else |
next_state = ESP; |
end |
|
ESP_A0SEEN : |
begin |
next_state = PGMS; //set ESP |
end |
|
ESP_AS : |
begin |
if (DataByte == 16'hF0) |
next_state = ESP; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = ESP_AS_CFI; |
end |
|
ESP_AS_CFI: |
begin |
if (DataByte == 8'hF0) |
next_state = ESP_AS; |
else |
next_state = ESP_AS_CFI; |
end |
|
endcase |
end |
|
always @(posedge PDONE or negedge PERR) |
begin: StateGen6 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==PGMS && ULBYPASS) |
next_state = PREL_ULBYPASS; |
else if (current_state==PGMS && OTP_ACT) |
next_state = OTP; |
else if (current_state==PGMS && ESP_ACT) |
next_state = ESP; |
else if (current_state==PGMS) |
next_state = RESET; |
end |
end |
|
always @(posedge EDONE or negedge EERR) |
begin: StateGen2 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if ((current_state==ERS) || (current_state==SERS_EXEC)) |
next_state = RESET; |
end |
end |
|
always @(negedge write or reseted) |
begin: StateGen7 //ok |
integer i,j; |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==SERS_EXEC && (write==1'b0) && (EERR!=1'b1)) |
if (DataByte==16'hB0) |
begin |
next_state = ESPS; |
ESUSP = 1'b1; |
ESUSP <= #1 1'b0; |
end |
end |
end |
|
always @(CTMOUT or reseted) |
begin: StateGen4 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==SERS && CTMOUT) next_state = SERS_EXEC; |
end |
end |
|
always @(posedge START_T1 or reseted) |
begin: StateGen5 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
if (current_state==ESPS && START_T1) next_state = ESP; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
//FSM Output generation and general funcionality |
/////////////////////////////////////////////////////////////////////////// |
|
always @(posedge read) |
begin |
->oe_event; |
end |
always @(MemAddress) |
begin |
if (read) |
->oe_event; |
end |
|
always @(oe_event) |
begin |
oe = 1'b1; |
#1 oe = 1'b0; |
end |
|
always @(DOut_zd) |
begin : OutputGen |
if (DOut_zd[0] !== 1'bz) |
begin |
CEDQ_t = CENeg_event + CEDQ_01; |
OEDQ_t = OENeg_event + OEDQ_01; |
ADDRDQ_t = ADDR_event + ADDRDQ_01; |
FROMCE = ((CEDQ_t >= OEDQ_t) && ( CEDQ_t >= $time)); |
FROMOE = ((OEDQ_t >= CEDQ_t) && ( OEDQ_t >= $time)); |
FROMADDR = 1'b1; |
if ((ADDRDQ_t > $time )&& |
(((ADDRDQ_t>OEDQ_t)&&FROMOE) || |
((ADDRDQ_t>CEDQ_t)&&FROMCE))) |
begin |
TempData = DOut_zd; |
FROMADDR = 1'b0; |
DOut_Pass = 8'bx; |
#(ADDRDQ_t - $time) DOut_Pass = TempData; |
end |
else |
begin |
DOut_Pass = DOut_zd; |
end |
end |
end |
|
always @(DOut_zd) |
begin |
if (DOut_zd[0] === 1'bz) |
begin |
disable OutputGen; |
FROMCE = 1'b1; |
FROMOE = 1'b1; |
if ((CENeg_posEvent <= OENeg_posEvent) && |
( CENeg_posEvent + 5 >= $time)) |
FROMOE = 1'b0; |
if ((OENeg_posEvent < CENeg_posEvent) && |
( OENeg_posEvent + 5 >= $time)) |
FROMCE = 1'b0; |
FROMADDR = 1'b0; |
DOut_Pass = DOut_zd; |
end |
end |
|
always @(oe or reseted or current_state) |
begin |
if (reseted) |
begin |
case (current_state) |
|
RESET : |
begin |
if (oe) |
MemRead(DOut_zd); |
end |
|
AS, ESP_AS, OTP_AS : |
begin |
if (oe) |
begin |
if (AS_addr == 1'b0) |
begin |
end |
else |
AS_ID = 1'b0; |
if ((Address[7:0] == 0) && (AS_ID == 1'b1)) |
DOut_zd = 1; |
else if ((Address[7:0] == 1) && (AS_ID == 1'b1)) |
DOut_zd = 8'hA3; |
else if ((Address[7:0] == 2) && |
(((SecAddr < 32 ) && (AS_ID == 1'b1)) |
|| ((SecAddr > 31 ) && (AS_ID2 == 1'b1)))) |
begin |
DOut_zd = 8'b00000000; |
DOut_zd[0] = Sec_Prot[SecAddr]; |
end |
else if ((Address[7:0] == 6) && (AS_SecSi_FP == 1'b1)) |
begin |
DOut_zd = 8'b0; |
if (FactoryProt) |
DOut_zd = 16'h99; |
else |
DOut_zd = 16'h19; |
end |
else |
DOut_zd = 8'bz; |
end |
end |
|
OTP : |
begin |
if (oe) |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
begin |
SecSiAddr = Address%(SecSiSize +1); |
if (SecSi[SecSiAddr]==-1) |
DOut_zd = 8'bx; |
else |
DOut_zd = SecSi[SecSiAddr]; |
end |
else |
$display ("Invalid SecSi query address"); |
end |
end |
|
CFI, AS_CFI, ESP_CFI, ESP_AS_CFI, OTP_AS_CFI : |
begin |
if (oe) |
begin |
DOut_zd = 8'bZ; |
if (((MemAddress>=16'h10) && (MemAddress <= 16'h3C)) || |
((MemAddress>=16'h40) && (MemAddress <= 16'h4F))) |
begin |
DOut_zd = CFI_array[MemAddress]; |
end |
else |
begin |
$display ("Invalid CFI query address"); |
end |
end |
end |
|
ERS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
// read status / embeded erase algorithm - Chip Erase |
/////////////////////////////////////////////////////////// |
Status[7] = 1'b0; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
Status[2] = ~Status[2]; //toggle |
|
DOut_zd = Status; |
end |
end |
|
SERS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status - sector erase timeout |
/////////////////////////////////////////////////////////// |
Status[3] = 1'b0; |
Status[7] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
ESPS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status / erase suspend timeout - stil erasing |
/////////////////////////////////////////////////////////// |
if (Ers_queue[SecAddr]==1'b1) |
begin |
Status[7] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
end |
else |
Status[7] = 1'b1; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
SERS_EXEC: |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////// |
//read status erase |
/////////////////////////////////////////////////// |
if (Ers_queue[SecAddr]==1'b1) |
begin |
Status[7] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
end |
else |
Status[7] = 1'b1; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
ESP : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read |
/////////////////////////////////////////////////////////// |
|
if (Ers_queue[SecAddr]!=1'b1) |
begin |
MemRead(DOut_zd); |
end |
else |
begin |
/////////////////////////////////////////////////////// |
//read status |
/////////////////////////////////////////////////////// |
Status[7] = 1'b1; |
// Status[6) No toggle |
Status[5] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
DOut_zd = Status; |
end |
end |
end |
|
PGMS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status |
/////////////////////////////////////////////////////////// |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
//Status[2) no toggle |
Status[1] = 1'b0; |
DOut_zd = Status; |
if (SecAddr == SA) |
DOut_zd[7] = Status[7]; |
else |
DOut_zd[7] = ~Status[7]; |
end |
|
end |
endcase |
end |
end |
|
always @(write or reseted) |
begin : Output_generation |
if (reseted) |
begin |
case (current_state) |
RESET : |
begin |
ESP_ACT = 1'b0; |
ULBYPASS = 1'b0; |
OTP_ACT = 1'b0; |
if (~write) |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
end |
|
Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
PREL_SETBWB : |
begin |
if (~write) |
begin |
if (A_PAT_1 && (DataByte==16'h20)) |
ULBYPASS = 1'b1; |
else if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
else if (A_PAT_1 && (DataByte==16'h88)) |
begin |
OTP_ACT = 1; |
ULBYPASS = 1'b0; |
end |
end |
end |
|
PREL_ULBYPASS : |
begin |
if (~write) |
begin |
ULBYPASS = 1'b1; |
if (A_PAT_1 && (DataByte==16'h90)) |
ULBYPASS = 1'b0; |
end |
end |
|
PREL_ULBYPASS_RESET : |
if ((~write) && (DataByte != 16'h00 )) |
ULBYPASS = 1'b1; |
|
OTP_A0SEEN : |
begin |
if (~write) |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
begin |
SecSiAddr = Address%(SecSiSize +1); |
OTP_ACT = 1; |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
|
WBAddr = SecSiAddr; |
SA = SecAddr; |
temp = DataByte; |
Status[7] = ~temp[7]; |
WBData = DataByte; |
end |
else |
$display ("Invalid program address in SecSi region:" |
,Address); |
end |
end |
|
OTP_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
|
end |
|
OTP_Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
OTP : |
begin |
if (~write) |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
RY_zd = 1; |
end |
|
AS : |
begin |
if (~write) |
if (DataByte==16'hF0) |
begin |
AS_SecSi_FP = 1'b0; |
AS_ID = 1'b0; |
AS_ID2 = 1'b0; |
end |
end |
|
A0SEEN : |
begin |
if (~write) |
begin |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
WBData = DataByte; |
WBAddr = Address; |
SA = SecAddr; |
Status[7] = ~DataByte[7]; |
end |
end |
|
C8 : |
begin |
end |
|
C8_Z001 : |
begin |
end |
|
C8_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h10)) |
begin |
//Start Chip Erase |
ESTART = 1'b1; |
ESTART <= #1 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
Ers_queue = ~(0); |
Status = 8'b00001000; |
end |
else if (DataByte==16'h30) |
begin |
//put selected sector to sec. ers. queue |
//start timeout |
Ers_queue = 0; |
Ers_queue[SecAddr] = 1'b1; |
disable TCTMOUTr; |
CTMOUT_in = 1'b0; |
#1 CTMOUT_in <= 1'b1; |
end |
end |
|
ERS : |
begin |
end |
|
SERS : |
begin |
if (~write && ~CTMOUT) |
begin |
if (DataByte == 16'hB0) |
begin |
//need to start erase process prior to suspend |
ESTART = 1'b1; |
ESTART = #1 1'b0; |
ESUSP = #1 1'b0; |
ESUSP = #1 1'b1; |
ESUSP <= #2 1'b0; |
ERES = 1'b0; |
end |
else if (DataByte==16'h30) |
begin |
disable TCTMOUTr; |
CTMOUT_in = 1'b0; |
#1 CTMOUT_in <= 1'b1; |
Ers_queue[SecAddr] = 1'b1; |
end |
end |
end |
|
SERS_EXEC : |
begin |
if (~write) |
if (~EDONE && (EERR!=1'b1) && DataByte==16'hB0) |
START_T1_in = 1'b1; |
end |
|
ESP : |
begin |
if (~write) |
begin |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
if (DataByte == 16'h30) |
begin |
ERES = 1'b1; |
ERES <= #1 1'b0; |
end |
end |
end |
|
ESP_Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
ESP_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
end |
|
ESP_A0SEEN : |
begin |
if (~write) |
begin |
ESP_ACT = 1'b1; |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
WBData = DataByte; |
WBAddr = Address; |
SA = SecAddr; |
Status[7] = ~DataByte[7]; |
end |
end |
|
ESP_AS : |
begin |
end |
|
endcase |
end |
end |
|
initial |
begin |
/////////////////////////////////////////////////////////////////////// |
//CFI array data |
/////////////////////////////////////////////////////////////////////// |
|
//CFI query identification string |
for (i=16;i<92;i=i+1) |
CFI_array[i] = -1; |
|
CFI_array[16'h10] = 16'h51; |
CFI_array[16'h11] = 16'h52; |
CFI_array[16'h12] = 16'h59; |
CFI_array[16'h13] = 16'h02; |
CFI_array[16'h14] = 16'h00; |
CFI_array[16'h15] = 16'h40; |
CFI_array[16'h16] = 16'h00; |
CFI_array[16'h17] = 16'h00; |
CFI_array[16'h18] = 16'h00; |
CFI_array[16'h19] = 16'h00; |
CFI_array[16'h1A] = 16'h00; |
|
//system interface string |
CFI_array[16'h1B] = 16'h27; |
CFI_array[16'h1C] = 16'h36; |
CFI_array[16'h1D] = 16'h00; |
CFI_array[16'h1E] = 16'h00; |
CFI_array[16'h1F] = 16'h04; |
CFI_array[16'h20] = 16'h00; |
CFI_array[16'h21] = 16'h0A; |
CFI_array[16'h22] = 16'h00; |
CFI_array[16'h23] = 16'h05; |
CFI_array[16'h24] = 16'h00; |
CFI_array[16'h25] = 16'h04; |
CFI_array[16'h26] = 16'h00; |
//device geometry definition |
CFI_array[16'h27] = 16'h16; |
CFI_array[16'h28] = 16'h00; |
CFI_array[16'h29] = 16'h00; |
CFI_array[16'h2A] = 16'h00; |
CFI_array[16'h2B] = 16'h00; |
CFI_array[16'h2C] = 16'h01; |
CFI_array[16'h2D] = 16'h3F; |
CFI_array[16'h2E] = 16'h00; |
CFI_array[16'h2F] = 16'h00; |
CFI_array[16'h30] = 16'h01; |
CFI_array[16'h31] = 16'h00; |
CFI_array[16'h32] = 16'h00; |
CFI_array[16'h33] = 16'h00; |
CFI_array[16'h34] = 16'h00; |
CFI_array[16'h35] = 16'h00; |
CFI_array[16'h36] = 16'h00; |
CFI_array[16'h37] = 16'h00; |
CFI_array[16'h38] = 16'h00; |
CFI_array[16'h39] = 16'h00; |
CFI_array[16'h3A] = 16'h00; |
CFI_array[16'h3B] = 16'h00; |
CFI_array[16'h3C] = 16'h00; |
|
//primary vendor-specific extended query |
CFI_array[16'h40] = 16'h50; |
CFI_array[16'h41] = 16'h52; |
CFI_array[16'h42] = 16'h49; |
CFI_array[16'h43] = 16'h31; |
CFI_array[16'h44] = 16'h31; |
CFI_array[16'h45] = 16'h01; |
CFI_array[16'h46] = 16'h02; |
CFI_array[16'h47] = 16'h01; |
CFI_array[16'h48] = 16'h01; |
CFI_array[16'h49] = 16'h04; |
CFI_array[16'h4A] = 16'h00; |
CFI_array[16'h4B] = 16'h00; |
CFI_array[16'h4C] = 16'h00; |
CFI_array[16'h4D] = 16'hB5; |
CFI_array[16'h4E] = 16'hC5; |
CFI_array[16'h4F] = 16'h00; |
|
end |
|
always @(current_state or reseted) |
begin |
if (reseted) |
if (current_state==RESET) RY_zd = 1'b1; |
if (current_state==PREL_ULBYPASS) RY_zd = 1'b1; |
if (current_state==A0SEEN) RY_zd = 1'b1; |
if (current_state==ERS) RY_zd = 1'b0; |
if (current_state==SERS) RY_zd = 1'b0; |
if (current_state==ESPS) RY_zd = 1'b0; |
if (current_state==SERS_EXEC) RY_zd = 1'b0; |
if (current_state==ESP) RY_zd = 1'b1; |
if (current_state==OTP) RY_zd = 1'b1; |
if (current_state==ESP_A0SEEN) RY_zd = 1'b1; |
if (current_state==PGMS) RY_zd = 1'b0; |
end |
|
always @(EERR or EDONE or current_state) |
begin : ERS2 |
integer i; |
integer j; |
if (current_state==ERS && EERR!=1'b1) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = -1; |
end |
if (current_state==ERS && EDONE) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = MaxData; |
end |
end |
|
always @(CTMOUT or current_state) |
begin : SERS2 |
if (current_state==SERS && CTMOUT) |
begin |
CTMOUT_in = 1'b0; |
START_T1_in = 1'b0; |
ESTART = 1'b1; |
ESTART <= #1 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
end |
end |
|
always @(START_T1 or current_state) |
begin : ESPS2 |
if (current_state==ESPS && START_T1) |
begin |
ESP_ACT = 1'b1; |
START_T1_in = 1'b0; |
end |
end |
|
always @(EERR or EDONE or current_state) |
begin: SERS_EXEC2 |
integer i,j; |
if (current_state==SERS_EXEC) |
begin |
if (EERR!=1'b1) |
begin |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1 && Ers_queue[i]) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = -1; |
|
if (EDONE) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1 && Ers_queue[i]) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = MaxData; |
end |
end |
end |
end |
end |
|
always @(current_state or posedge PDONE) |
begin: PGMS2 |
integer i,j; |
if (current_state==PGMS) |
begin |
if (PERR!=1'b1) |
begin |
new_int = WBData; |
if (OTP_ACT!=1'b1) //mem write |
old_int=Mem[sa(SA) + WBAddr]; |
else |
old_int=SecSi[WBAddr]; |
new_bit = new_int; |
if (old_int>-1) |
begin |
old_bit = old_int; |
for(j=0;j<=7;j=j+1) |
if (~old_bit[j]) |
new_bit[j]=1'b0; |
new_int=new_bit; |
end |
WBData = new_int; |
if (OTP_ACT!=1'b1) //mem write |
Mem[sa(SA) + WBAddr] = -1; |
else |
SecSi[WBAddr] = -1; |
if (PDONE && ~PSTART) |
begin |
if (OTP_ACT!=1'b1) //mem write |
Mem[sa(SA) + WBAddr] = WBData; |
else |
SecSi[WBAddr] = WBData; |
WBData= -1; |
end |
end |
end |
end |
|
always @(gOE_n or gCE_n or RESETNeg or RST ) |
begin |
//Output Disable Control |
if (gOE_n || gCE_n || (~RESETNeg && ~RST)) |
DOut_zd = 8'bZ; |
end |
|
reg BuffInOE , BuffInCE , BuffInADDR; |
wire BuffOutOE, BuffOutCE, BuffOutADDR; |
|
BUFFER BUFOE (BuffOutOE, BuffInOE); |
BUFFER BUFCE (BuffOutCE, BuffInCE); |
BUFFER BUFADDR (BuffOutADDR, BuffInADDR); |
initial |
begin |
BuffInOE = 1'b1; |
BuffInCE = 1'b1; |
BuffInADDR = 1'b1; |
end |
|
always @(posedge BuffOutOE) |
begin |
OEDQ_01 = $time; |
end |
always @(posedge BuffOutCE) |
begin |
CEDQ_01 = $time; |
end |
always @(posedge BuffOutADDR) |
begin |
ADDRDQ_01 = $time; |
end |
|
function integer sa; |
input [7:0] sect; |
begin |
sa = sect * (SecSize + 1); |
end |
endfunction |
|
task MemRead; |
inout[7:0] DOut_zd; |
begin |
if (Mem[sa(SecAddr)+Address]==-1) |
DOut_zd = 8'bx; |
else |
DOut_zd = Mem[sa(SecAddr)+Address]; |
end |
endtask |
endmodule |
|
module BUFFER (OUT,IN); |
input IN; |
output OUT; |
buf ( OUT, IN); |
endmodule |
////////////////////////////////////////////////////////////////////////////// |
// File name : s29al032d_00.v |
////////////////////////////////////////////////////////////////////////////// |
// Copyright (C) 2005 Spansion, LLC. |
// |
// MODIFICATION HISTORY : |
// |
// |
// version: | author: | mod date: | changes made: |
// V1.0 D.Lukovic 05 May 17 Initial release |
// |
////////////////////////////////////////////////////////////////////////////// |
// |
// PART DESCRIPTION: |
// |
// Library: FLASH |
// Technology: Flash memory |
// Part: s29al032d_00 |
// |
// Description: 32Mbit (4M x 8-Bit) Flash Memory |
// |
// |
// |
/////////////////////////////////////////////////////////////////////////////// |
// Known Bugs: |
// |
/////////////////////////////////////////////////////////////////////////////// |
`timescale 1 ns/1 ns |
|
module s29al032d_00 |
( |
A21 , |
A20 , |
A19 , |
A18 , |
A17 , |
A16 , |
A15 , |
A14 , |
A13 , |
A12 , |
A11 , |
A10 , |
A9 , |
A8 , |
A7 , |
A6 , |
A5 , |
A4 , |
A3 , |
A2 , |
A1 , |
A0 , |
|
DQ7 , |
DQ6 , |
DQ5 , |
DQ4 , |
DQ3 , |
DQ2 , |
DQ1 , |
DQ0 , |
|
CENeg , |
OENeg , |
WENeg , |
RESETNeg , |
ACC , |
RY |
|
); |
|
//////////////////////////////////////////////////////////////////////// |
// Port / Part Pin Declarations |
//////////////////////////////////////////////////////////////////////// |
|
input A21 ; |
input A20 ; |
input A19 ; |
input A18 ; |
input A17 ; |
input A16 ; |
input A15 ; |
input A14 ; |
input A13 ; |
input A12 ; |
input A11 ; |
input A10 ; |
input A9 ; |
input A8 ; |
input A7 ; |
input A6 ; |
input A5 ; |
input A4 ; |
input A3 ; |
input A2 ; |
input A1 ; |
input A0 ; |
|
inout DQ7 ; |
inout DQ6 ; |
inout DQ5 ; |
inout DQ4 ; |
inout DQ3 ; |
inout DQ2 ; |
inout DQ1 ; |
inout DQ0 ; |
|
input CENeg ; |
input OENeg ; |
input WENeg ; |
input RESETNeg ; |
input ACC ; |
output RY ; |
|
// interconnect path delay signals |
|
wire A21_ipd ; |
wire A20_ipd ; |
wire A19_ipd ; |
wire A18_ipd ; |
wire A17_ipd ; |
wire A16_ipd ; |
wire A15_ipd ; |
wire A14_ipd ; |
wire A13_ipd ; |
wire A12_ipd ; |
wire A11_ipd ; |
wire A10_ipd ; |
wire A9_ipd ; |
wire A8_ipd ; |
wire A7_ipd ; |
wire A6_ipd ; |
wire A5_ipd ; |
wire A4_ipd ; |
wire A3_ipd ; |
wire A2_ipd ; |
wire A1_ipd ; |
wire A0_ipd ; |
|
wire [21 : 0] A; |
assign A = { |
A21_ipd, |
A20_ipd, |
A19_ipd, |
A18_ipd, |
A17_ipd, |
A16_ipd, |
A15_ipd, |
A14_ipd, |
A13_ipd, |
A12_ipd, |
A11_ipd, |
A10_ipd, |
A9_ipd, |
A8_ipd, |
A7_ipd, |
A6_ipd, |
A5_ipd, |
A4_ipd, |
A3_ipd, |
A2_ipd, |
A1_ipd, |
A0_ipd }; |
|
wire DQ7_ipd ; |
wire DQ6_ipd ; |
wire DQ5_ipd ; |
wire DQ4_ipd ; |
wire DQ3_ipd ; |
wire DQ2_ipd ; |
wire DQ1_ipd ; |
wire DQ0_ipd ; |
|
wire [7 : 0 ] DIn; |
assign DIn = {DQ7_ipd, |
DQ6_ipd, |
DQ5_ipd, |
DQ4_ipd, |
DQ3_ipd, |
DQ2_ipd, |
DQ1_ipd, |
DQ0_ipd }; |
|
wire [7 : 0 ] DOut; |
assign DOut = {DQ7, |
DQ6, |
DQ5, |
DQ4, |
DQ3, |
DQ2, |
DQ1, |
DQ0 }; |
|
wire CENeg_ipd ; |
wire OENeg_ipd ; |
wire WENeg_ipd ; |
wire RESETNeg_ipd ; |
wire ACC_ipd ; |
wire VIO_ipd ; |
|
// internal delays |
|
reg HANG_out ; // Program/Erase Timing Limit |
reg HANG_in ; |
reg START_T1 ; // Start TimeOut |
reg START_T1_in ; |
reg CTMOUT ; // Sector Erase TimeOut |
reg CTMOUT_in ; |
reg READY_in ; |
reg READY ; // Device ready after reset |
|
reg [7 : 0] DOut_zd; |
wire DQ7_Pass ; |
wire DQ6_Pass ; |
wire DQ5_Pass ; |
wire DQ4_Pass ; |
wire DQ3_Pass ; |
wire DQ2_Pass ; |
wire DQ1_Pass ; |
wire DQ0_Pass ; |
|
reg [7 : 0] DOut_Pass; |
assign {DQ7_Pass, |
DQ6_Pass, |
DQ5_Pass, |
DQ4_Pass, |
DQ3_Pass, |
DQ2_Pass, |
DQ1_Pass, |
DQ0_Pass } = DOut_Pass; |
|
reg RY_zd; |
|
parameter UserPreload = 1'b0; |
parameter mem_file_name = "none"; |
parameter prot_file_name = "none"; |
parameter secsi_file_name = "none"; |
|
parameter TimingModel = "DefaultTimingModel"; |
|
parameter DelayValues = "FROM_PLI"; |
parameter PartID = "s29al032d"; |
parameter MaxData = 255; |
parameter SecSize = 65535; |
parameter SecNum = 63; |
parameter HiAddrBit = 21; |
parameter SecSiSize = 255; |
|
// powerup |
reg PoweredUp; |
|
//FSM control signals |
reg ULBYPASS ; ////Unlock Bypass Active |
reg ESP_ACT ; ////Erase Suspend |
reg OTP_ACT ; ////SecSi Access |
|
reg PDONE ; ////Prog. Done |
reg PSTART ; ////Start Programming |
//Program location is in protected sector |
reg PERR ; |
|
reg EDONE ; ////Ers. Done |
reg ESTART ; ////Start Erase |
reg ESUSP ; ////Suspend Erase |
reg ERES ; ////Resume Erase |
//All sectors selected for erasure are protected |
reg EERR ; |
|
//Sectors selected for erasure |
reg [SecNum:0] Ers_queue; // = SecNum'b0; |
|
//Command Register |
reg write ; |
reg read ; |
|
//Sector Address |
integer SecAddr = 0; |
|
integer SA = 0; |
|
//Address within sector |
integer Address = 0; |
integer MemAddress = 0; |
integer SecSiAddr = 0; |
|
integer AS_ID = 0; |
integer AS_SecSi_FP = 0; |
integer AS_ID2 = 0; |
//A19:A11 Don't Care |
integer Addr ; |
|
//glitch protection |
wire gWE_n ; |
wire gCE_n ; |
wire gOE_n ; |
|
reg RST ; |
reg reseted ; |
|
integer Mem[0:(SecNum+1)*(SecSize+1)-1]; |
//Sector Protection Status |
reg [SecNum:0] Sec_Prot; |
|
// timing check violation |
reg Viol = 1'b0; |
// CFI query address |
integer SecSi[0:SecSiSize]; |
integer CFI_array[16:79]; |
|
reg FactoryProt = 0; |
|
integer WBData; |
integer WBAddr; |
|
reg oe = 1'b0; |
event oe_event; |
|
event initOK; |
event MergeE; |
|
//Status reg. |
reg[15:0] Status = 8'b0; |
|
reg[7:0] old_bit, new_bit; |
integer old_int, new_int; |
integer wr_cnt; |
reg[7:0] temp; |
|
integer S_ind = 0; |
integer ind = 0; |
|
integer i,j,k; |
|
integer Debug; |
|
//TPD_XX_DATA |
time OEDQ_t; |
time CEDQ_t; |
time ADDRDQ_t; |
time OENeg_event; |
time CENeg_event; |
time OENeg_posEvent; |
time CENeg_posEvent; |
time ADDR_event; |
reg FROMOE; |
reg FROMCE; |
reg FROMADDR; |
integer OEDQ_01; |
integer CEDQ_01; |
integer ADDRDQ_01; |
|
reg[7:0] TempData; |
|
/////////////////////////////////////////////////////////////////////////////// |
//Interconnect Path Delay Section |
/////////////////////////////////////////////////////////////////////////////// |
buf (A21_ipd, A21); |
buf (A20_ipd, A20); |
buf (A19_ipd, A19); |
buf (A18_ipd, A18); |
buf (A17_ipd, A17); |
buf (A16_ipd, A16); |
buf (A15_ipd, A15); |
buf (A14_ipd, A14); |
buf (A13_ipd, A13); |
buf (A12_ipd, A12); |
buf (A11_ipd, A11); |
buf (A10_ipd, A10); |
buf (A9_ipd , A9 ); |
buf (A8_ipd , A8 ); |
buf (A7_ipd , A7 ); |
buf (A6_ipd , A6 ); |
buf (A5_ipd , A5 ); |
buf (A4_ipd , A4 ); |
buf (A3_ipd , A3 ); |
buf (A2_ipd , A2 ); |
buf (A1_ipd , A1 ); |
buf (A0_ipd , A0 ); |
|
buf (DQ7_ipd , DQ7 ); |
buf (DQ6_ipd , DQ6 ); |
buf (DQ5_ipd , DQ5 ); |
buf (DQ4_ipd , DQ4 ); |
buf (DQ3_ipd , DQ3 ); |
buf (DQ2_ipd , DQ2 ); |
buf (DQ1_ipd , DQ1 ); |
buf (DQ0_ipd , DQ0 ); |
|
buf (CENeg_ipd , CENeg ); |
buf (OENeg_ipd , OENeg ); |
buf (WENeg_ipd , WENeg ); |
buf (RESETNeg_ipd , RESETNeg ); |
buf (ACC_ipd , ACC ); |
/////////////////////////////////////////////////////////////////////////////// |
// Propagation delay Section |
/////////////////////////////////////////////////////////////////////////////// |
nmos (DQ7 , DQ7_Pass , 1); |
nmos (DQ6 , DQ6_Pass , 1); |
nmos (DQ5 , DQ5_Pass , 1); |
nmos (DQ4 , DQ4_Pass , 1); |
nmos (DQ3 , DQ3_Pass , 1); |
nmos (DQ2 , DQ2_Pass , 1); |
nmos (DQ1 , DQ1_Pass , 1); |
nmos (DQ0 , DQ0_Pass , 1); |
nmos (RY , 1'b0 , ~RY_zd); |
|
wire deg; |
|
//VHDL VITAL CheckEnable equivalents |
// Address setup/hold near WE# falling edge |
wire CheckEnable_A0_WE; |
assign CheckEnable_A0_WE = ~CENeg && OENeg; |
// Data setup/hold near WE# rising edge |
wire CheckEnable_DQ0_WE; |
assign CheckEnable_DQ0_WE = ~CENeg && OENeg && deg; |
// Address setup/hold near CE# falling edge |
wire CheckEnable_A0_CE; |
assign CheckEnable_A0_CE = ~WENeg && OENeg; |
// Data setup/hold near CE# rising edge |
wire CheckEnable_DQ0_CE; |
assign CheckEnable_DQ0_CE = ~WENeg && OENeg && deg; |
|
specify |
|
// tipd delays: interconnect path delays , mapped to input port delays. |
// In Verilog is not necessary to declare any tipd_ delay variables, |
// they can be taken from SDF file |
// With all the other delays real delays would be taken from SDF file |
|
// tpd delays |
specparam tpd_RESETNeg_DQ0 =1; |
specparam tpd_A0_DQ0 =1;//tacc ok |
specparam tpd_CENeg_DQ0 =1;//ok |
//(tCE,tCE,tDF,-,tDF,-) |
specparam tpd_OENeg_DQ0 =1;//ok |
//(tOE,tOE,tDF,-,tDF,-) |
specparam tpd_WENeg_RY =1; //tBUSY |
specparam tpd_CENeg_RY =1; //tBUSY |
|
// tsetup values: setup time |
specparam tsetup_A0_WENeg =1; //tAS edge \ |
specparam tsetup_DQ0_WENeg =1; //tDS edge / |
|
// thold values: hold times |
specparam thold_A0_WENeg =1; //tAH edge \ |
specparam thold_DQ0_CENeg =1; //tDH edge / |
specparam thold_OENeg_WENeg =1; //tOEH edge / |
specparam thold_CENeg_RESETNeg =1; //tRH edge / |
specparam thold_WENeg_OENeg =1; //tGHVL edge / |
|
// tpw values: pulse width |
specparam tpw_RESETNeg_negedge =1; //tRP |
specparam tpw_WENeg_negedge =1; //tWP |
specparam tpw_WENeg_posedge =1; //tWPH |
specparam tpw_CENeg_negedge =1; //tCP |
specparam tpw_CENeg_posedge =1; //tCEPH |
specparam tpw_A0_negedge =1; //tWC tRC ok |
specparam tpw_A0_posedge =1; //tWC tRC ok |
|
// tdevice values: values for internal delays |
//Program Operation |
specparam tdevice_POB = 9000; //9 us; |
//Sector Erase Operation |
specparam tdevice_SEO = 700000000; //700 ms; |
//Timing Limit Exceeded |
specparam tdevice_HANG = 400000000; //400 ms; |
//Erase suspend time |
specparam tdevice_START_T1 = 20000; //20 us; |
//sector erase command sequence timeout |
specparam tdevice_CTMOUT = 50000; //50 us; |
//device ready after Hardware reset(during embeded algorithm) |
specparam tdevice_READY = 20000; //20 us; //tReady |
|
// If tpd values are fetched from specify block, these parameters |
// must change along with SDF values, SDF values change will NOT |
// imlicitly apply here ! |
// If you want tpd values to be fetched by the model itself, please |
// use the PLI routine approach but be shure to set parameter |
// DelayValues to "FROM_PLI" as default |
|
/////////////////////////////////////////////////////////////////////////////// |
// Input Port Delays don't require Verilog description |
/////////////////////////////////////////////////////////////////////////////// |
// Path delays // |
/////////////////////////////////////////////////////////////////////////////// |
//for DQ signals |
if (FROMCE) |
( CENeg => DQ0 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ1 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ2 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ3 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ4 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ5 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ6 ) = tpd_CENeg_DQ0; |
if (FROMCE) |
( CENeg => DQ7 ) = tpd_CENeg_DQ0; |
|
if (FROMOE) |
( OENeg => DQ0 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ1 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ2 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ3 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ4 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ5 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ6 ) = tpd_OENeg_DQ0; |
if (FROMOE) |
( OENeg => DQ7 ) = tpd_OENeg_DQ0; |
|
if (FROMADDR) |
( A0 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A0 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A1 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A2 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A3 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A4 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A5 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A6 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A7 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A8 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A9 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A10 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A11 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A12 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A13 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A14 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A15 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A16 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A17 => DQ7 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A18 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A19 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A19 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A20 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A20 => DQ7 ) = tpd_A0_DQ0; |
|
if (FROMADDR) |
( A21 => DQ0 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ1 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ2 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ3 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ4 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ5 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ6 ) = tpd_A0_DQ0; |
if (FROMADDR) |
( A21 => DQ7 ) = tpd_A0_DQ0; |
|
if (~RESETNeg) |
( RESETNeg => DQ0 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ1 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ2 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ3 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ4 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ5 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ6 ) = tpd_RESETNeg_DQ0; |
if (~RESETNeg) |
( RESETNeg => DQ7 ) = tpd_RESETNeg_DQ0; |
|
//for RY signal |
(WENeg => RY) = tpd_WENeg_RY; |
(CENeg => RY) = tpd_CENeg_RY; |
|
//////////////////////////////////////////////////////////////////////////////// |
// Timing Violation // |
//////////////////////////////////////////////////////////////////////////////// |
|
$setup ( A0 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A1 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A2 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A3 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A4 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A5 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A6 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A7 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A8 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A9 , negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A10, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A11, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A12, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A13, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A14, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A15, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A16, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A17, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A18, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A19, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A20, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
$setup ( A21, negedge CENeg &&& CheckEnable_A0_CE, tsetup_A0_WENeg, Viol); |
|
$setup ( A0 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A1 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A2 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A3 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A4 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A5 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A6 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A7 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A8 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A9 , negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A10, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A11, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A12, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A13, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A14, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A15, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A16, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A17, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A18, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A19, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A20, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
$setup ( A21, negedge WENeg &&& CheckEnable_A0_WE, tsetup_A0_WENeg, Viol); |
|
$setup ( DQ0, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ1, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ2, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ3, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ4, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ5, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ6, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ7, posedge CENeg&&&CheckEnable_DQ0_CE, tsetup_DQ0_WENeg, Viol); |
|
$setup ( DQ0, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ1, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ2, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ3, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ4, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ5, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ6, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
$setup ( DQ7, posedge WENeg&&&CheckEnable_DQ0_WE, tsetup_DQ0_WENeg, Viol); |
|
$hold ( posedge RESETNeg&&&(CENeg===1), CENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge RESETNeg&&&(OENeg===1), OENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge RESETNeg&&&(WENeg===1), WENeg, thold_CENeg_RESETNeg, Viol); |
$hold ( posedge OENeg, WENeg, thold_WENeg_OENeg, Viol); |
$hold ( posedge WENeg, OENeg, thold_OENeg_WENeg, Viol); |
|
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A0 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A1 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A2 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A3 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A4 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A5 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A6 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A7 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A9 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A10 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A11 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A12 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A13 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A14 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A15 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A16 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A17 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A18 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A19 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A20 , thold_A0_WENeg, Viol); |
$hold ( negedge CENeg &&& CheckEnable_A0_CE, A21 , thold_A0_WENeg, Viol); |
|
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A0 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A1 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A2 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A3 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A4 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A5 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A6 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A7 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A8 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A9 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A10 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A11 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A12 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A13 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A14 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A15 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A16 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A17 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A18 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A19 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A20 , thold_A0_WENeg, Viol); |
$hold ( negedge WENeg &&& CheckEnable_A0_WE, A21 , thold_A0_WENeg, Viol); |
|
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ0, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ1, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ2, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ3, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ4, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ5, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ6, thold_DQ0_CENeg, Viol); |
$hold ( posedge CENeg &&& CheckEnable_DQ0_CE, DQ7, thold_DQ0_CENeg, Viol); |
|
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ0, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ1, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ2, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ3, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ4, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ5, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ6, thold_DQ0_CENeg, Viol); |
$hold ( posedge WENeg &&& CheckEnable_DQ0_WE, DQ7, thold_DQ0_CENeg, Viol); |
|
$width (negedge RESETNeg, tpw_RESETNeg_negedge); |
$width (posedge WENeg, tpw_WENeg_posedge); |
$width (negedge WENeg, tpw_WENeg_negedge); |
$width (posedge CENeg, tpw_CENeg_posedge); |
$width (negedge CENeg, tpw_CENeg_negedge); |
$width (negedge A0, tpw_A0_negedge);//ok |
$width (negedge A1, tpw_A0_negedge);//ok |
$width (negedge A2, tpw_A0_negedge);//ok |
$width (negedge A3, tpw_A0_negedge);//ok |
$width (negedge A4, tpw_A0_negedge);//ok |
$width (negedge A5, tpw_A0_negedge);//ok |
$width (negedge A6, tpw_A0_negedge);//ok |
$width (negedge A7, tpw_A0_negedge);//ok |
$width (negedge A8, tpw_A0_negedge);//ok |
$width (negedge A9, tpw_A0_negedge);//ok |
$width (negedge A10, tpw_A0_negedge);//ok |
$width (negedge A11, tpw_A0_negedge);//ok |
$width (negedge A12, tpw_A0_negedge);//ok |
$width (negedge A13, tpw_A0_negedge);//ok |
$width (negedge A14, tpw_A0_negedge);//ok |
$width (negedge A15, tpw_A0_negedge);//ok |
$width (negedge A16, tpw_A0_negedge);//ok |
$width (negedge A17, tpw_A0_negedge);//ok |
$width (negedge A18, tpw_A0_negedge);//ok |
$width (negedge A19, tpw_A0_negedge);//ok |
$width (negedge A20, tpw_A0_negedge);//ok |
$width (negedge A21, tpw_A0_negedge);//ok |
$width (posedge A0, tpw_A0_posedge);//ok |
$width (posedge A1, tpw_A0_posedge);//ok |
$width (posedge A2, tpw_A0_posedge);//ok |
$width (posedge A3, tpw_A0_posedge);//ok |
$width (posedge A4, tpw_A0_posedge);//ok |
$width (posedge A5, tpw_A0_posedge);//ok |
$width (posedge A6, tpw_A0_posedge);//ok |
$width (posedge A7, tpw_A0_posedge);//ok |
$width (posedge A8, tpw_A0_posedge);//ok |
$width (posedge A9, tpw_A0_posedge);//ok |
$width (posedge A10, tpw_A0_posedge);//ok |
$width (posedge A11, tpw_A0_posedge);//ok |
$width (posedge A12, tpw_A0_posedge);//ok |
$width (posedge A13, tpw_A0_posedge);//ok |
$width (posedge A14, tpw_A0_posedge);//ok |
$width (posedge A15, tpw_A0_posedge);//ok |
$width (posedge A16, tpw_A0_posedge);//ok |
$width (posedge A17, tpw_A0_posedge);//ok |
$width (posedge A18, tpw_A0_posedge);//ok |
$width (posedge A19, tpw_A0_posedge);//ok |
$width (posedge A20, tpw_A0_posedge);//ok |
$width (posedge A21, tpw_A0_posedge);//ok |
|
endspecify |
|
//////////////////////////////////////////////////////////////////////////////// |
// Main Behavior Block // |
//////////////////////////////////////////////////////////////////////////////// |
|
// FSM states |
parameter RESET =6'd0; |
parameter Z001 =6'd1; |
parameter PREL_SETBWB =6'd2; |
parameter PREL_ULBYPASS =6'd3; |
parameter PREL_ULBYPASS_RESET =6'd4; |
parameter AS =6'd5; |
parameter A0SEEN =6'd6; |
parameter OTP =6'd7; |
parameter OTP_Z001 =6'd8; |
parameter OTP_PREL =6'd9; |
parameter OTP_AS =6'd10; |
parameter OTP_AS_CFI =6'd11; |
parameter OTP_A0SEEN =6'd12; |
parameter C8 =6'd13; |
parameter C8_Z001 =6'd14; |
parameter C8_PREL =6'd15; |
parameter ERS =6'd16; |
parameter SERS =6'd17; |
parameter ESPS =6'd18; |
parameter SERS_EXEC =6'd19; |
parameter ESP =6'd20; |
parameter ESP_Z001 =6'd21; |
parameter ESP_PREL =6'd22; |
parameter ESP_A0SEEN =6'd23; |
parameter ESP_AS =6'd24; |
parameter PGMS =6'd25; |
parameter CFI =6'd26; |
parameter AS_CFI =6'd27; |
parameter ESP_CFI =6'd28; |
parameter ESP_AS_CFI =6'd29; |
|
reg [5:0] current_state; |
reg [5:0] next_state; |
|
reg deq; |
|
always @(DIn, DOut) |
begin |
if (DIn==DOut) |
deq=1'b1; |
else |
deq=1'b0; |
end |
// check when data is generated from model to avoid setuphold check in |
// those occasion |
assign deg =deq; |
|
// initialize memory and load preoload files if any |
initial |
begin : NBlck |
integer i,j; |
integer tmp1,tmp2,tmp3; |
integer secure_silicon[0:SecSiSize]; |
reg sector_prot[0:SecNum]; |
|
for (i=0;i<=((SecNum+1)*(SecSize+1)-1);i=i+1) |
begin |
Mem[i]=MaxData; |
end |
for (i=0;i<=SecSiSize;i=i+1) |
begin |
secure_silicon[i]=MaxData; |
end |
for (i=0;i<=SecNum;i=i+1) |
begin |
sector_prot[i]=0; |
end |
if (UserPreload && !(prot_file_name == "none")) |
begin |
//s29al032d_00_prot sector protect file |
// // - comment |
// @aa - <aa> stands for sector address |
// (aa is incremented at every load) |
// b - <b> is 1 for protected sector <aa>, 0 for unprotect. |
$readmemb(prot_file_name,sector_prot); |
end |
if (UserPreload && !(mem_file_name == "none")) |
begin |
//s29al032d_00_memory preload file |
// @aaaaaa - <aaaaaa> stands for address within last defined sector |
// dd - <dd> is byte to be written at Mem(nn)(aaaaaa++) |
// (aaaaaa is incremented at every load) |
$readmemh(mem_file_name,Mem); |
end |
if (UserPreload && !(secsi_file_name == "none")) |
begin |
//s29al032d_00_secsi memory preload file |
// @aaaa - <aaaa> stands for address within last defined sector |
// dd - <dd> is byte to be written at Mem(nn)(aaaa++) |
// (aaaa is incremented at every load) |
$readmemh(secsi_file_name,secure_silicon); |
end |
|
for (i=0;i<=SecSiSize;i=i+1) |
begin |
SecSi[i] = secure_silicon[i]; |
end |
for (i=0;i<=SecNum;i=i+1) |
Ers_queue[i] = 0; |
// every 4-group sectors protect bit must equel |
for (i=0;i<=SecNum;i=i+1) |
Sec_Prot[i] = sector_prot[i]; |
|
if ((Sec_Prot[3:0] != 4'h0 && Sec_Prot[3:0] != 4'hF) |
|| (Sec_Prot[7:4] != 4'h0 && Sec_Prot[7:4] != 4'hF) |
|| (Sec_Prot[11:8] != 4'h0 && Sec_Prot[11:8] != 4'hF) |
|| (Sec_Prot[15:12] != 4'h0 && Sec_Prot[15:12] != 4'hF) |
|| (Sec_Prot[19:16] != 4'h0 && Sec_Prot[19:16] != 4'hF) |
|| (Sec_Prot[23:20] != 4'h0 && Sec_Prot[23:20] != 4'hF) |
|| (Sec_Prot[27:24] != 4'h0 && Sec_Prot[27:24] != 4'hF) |
|| (Sec_Prot[31:28] != 4'h0 && Sec_Prot[31:28] != 4'hF) |
|| (Sec_Prot[35:32] != 4'h0 && Sec_Prot[35:32] != 4'hF) |
|| (Sec_Prot[39:36] != 4'h0 && Sec_Prot[39:36] != 4'hF) |
|| (Sec_Prot[43:40] != 4'h0 && Sec_Prot[43:40] != 4'hF) |
|| (Sec_Prot[47:44] != 4'h0 && Sec_Prot[47:44] != 4'hF) |
|| (Sec_Prot[51:48] != 4'h0 && Sec_Prot[51:48] != 4'hF) |
|| (Sec_Prot[55:52] != 4'h0 && Sec_Prot[55:52] != 4'hF) |
|| (Sec_Prot[59:56] != 4'h0 && Sec_Prot[59:56] != 4'hF) |
|| (Sec_Prot[63:60] != 4'h0 && Sec_Prot[63:60] != 4'hF)) |
|
$display("Bad sector protect group preload"); |
|
WBData = -1; |
|
end |
|
//Power Up time 100 ns; |
initial |
begin |
PoweredUp = 1'b0; |
#100 PoweredUp = 1'b1; |
end |
|
always @(RESETNeg) |
begin |
RST <= #499 RESETNeg; |
end |
|
initial |
begin |
write = 1'b0; |
read = 1'b0; |
Addr = 0; |
|
ULBYPASS = 1'b0; |
ESP_ACT = 1'b0; |
OTP_ACT = 1'b0; |
|
PDONE = 1'b1; |
PSTART = 1'b0; |
|
PERR = 1'b0; |
|
EDONE = 1'b1; |
ESTART = 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
|
EERR = 1'b0; |
READY_in = 1'b0; |
READY = 1'b0; |
end |
|
always @(posedge START_T1_in) |
begin:TESTARTT1r |
#tdevice_START_T1 START_T1 = START_T1_in; |
end |
always @(negedge START_T1_in) |
begin:TESTARTT1f |
#1 START_T1 = START_T1_in; |
end |
|
always @(posedge CTMOUT_in) |
begin:TCTMOUTr |
#tdevice_CTMOUT CTMOUT = CTMOUT_in; |
end |
always @(negedge CTMOUT_in) |
begin:TCTMOUTf |
#1 CTMOUT = CTMOUT_in; |
end |
|
always @(posedge READY_in) |
begin:TREADYr |
#tdevice_READY READY = READY_in; |
end |
always @(negedge READY_in) |
begin:TREADYf |
#1 READY = READY_in; |
end |
//////////////////////////////////////////////////////////////////////////// |
//// obtain 'LAST_EVENT information |
//////////////////////////////////////////////////////////////////////////// |
always @(negedge OENeg) |
begin |
OENeg_event = $time; |
end |
always @(negedge CENeg) |
begin |
CENeg_event = $time; |
end |
|
always @(posedge OENeg) |
begin |
OENeg_posEvent = $time; |
end |
always @(posedge CENeg) |
begin |
CENeg_posEvent = $time; |
end |
|
always @(A) |
begin |
ADDR_event = $time; |
end |
|
//////////////////////////////////////////////////////////////////////////// |
//// sequential process for reset control and FSM state transition |
//////////////////////////////////////////////////////////////////////////// |
always @(negedge RST) |
begin |
ESP_ACT = 1'b0; |
ULBYPASS = 1'b0; |
OTP_ACT = 1'b0; |
end |
|
reg R; |
reg E; |
always @(RESETNeg) |
begin |
if (PoweredUp) |
begin |
//Hardware reset timing control |
if (~RESETNeg) |
begin |
E = 1'b0; |
if (~PDONE || ~EDONE) |
begin |
//if program or erase in progress |
READY_in = 1'b1; |
R = 1'b1; |
end |
else |
begin |
READY_in = 1'b0; |
R = 1'b0; //prog or erase not in progress |
end |
end |
else if (RESETNeg && RST) |
begin |
//RESET# pulse < tRP |
READY_in = 1'b0; |
R = 1'b0; |
E = 1'b1; |
end |
end |
end |
|
always @(next_state or RESETNeg or CENeg or RST or |
READY or PoweredUp) |
begin: StateTransition |
|
if (PoweredUp) |
begin |
if (RESETNeg && (~R || (R && READY))) |
begin |
current_state = next_state; |
READY_in = 1'b0; |
E = 1'b0; |
R = 1'b0; |
reseted = 1'b1; |
end |
else if ((~R && ~RESETNeg && ~RST) || |
(R && ~RESETNeg && ~RST && ~READY) || |
(R && RESETNeg && ~RST && ~READY)) |
begin |
//no state transition while RESET# low |
current_state = RESET; //reset start |
reseted = 1'b0; |
end |
end |
else |
begin |
current_state = RESET; // reset |
reseted = 1'b0; |
E = 1'b0; |
R = 1'b0; |
end |
end |
|
// ///////////////////////////////////////////////////////////////////////// |
// //Glitch Protection: Inertial Delay does not propagate pulses <5ns |
// ///////////////////////////////////////////////////////////////////////// |
assign #5 gWE_n = WENeg_ipd; |
assign #5 gCE_n = CENeg_ipd; |
assign #5 gOE_n = OENeg_ipd; |
|
/////////////////////////////////////////////////////////////////////////// |
//Process that reports warning when changes on signals WE#, CE#, OE# are |
//discarded |
/////////////////////////////////////////////////////////////////////////// |
always @(WENeg) |
begin: PulseWatch1 |
if (gWE_n == WENeg) |
$display("Glitch on WE#"); |
end |
always @(CENeg) |
begin: PulseWatch2 |
if (gCE_n == CENeg) |
$display("Glitch on CE#"); |
end |
always @(OENeg) |
begin: PulseWatch3 |
if (gOE_n == OENeg) |
$display("Glitch on OE#"); |
end |
|
//latch address on rising edge and data on falling edge of write |
always @(gWE_n or gCE_n or gOE_n ) |
begin: write_dc |
if (RESETNeg!=1'b0) |
begin |
if (~gWE_n && ~gCE_n && gOE_n) |
write = 1'b1; |
else |
write = 1'b0; |
end |
|
if (gWE_n && ~gCE_n && ~gOE_n) |
read = 1'b1; |
else |
read = 1'b0; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
////Latch address on falling edge of WE# or CE# what ever comes later |
////Latch data on rising edge of WE# or CE# what ever comes first |
//// also Write cycle decode |
//////////////////////////////////////////////////////////////////////////// |
integer A_tmp ; |
integer SA_tmp ; |
integer A_tmp1 ; |
integer Mem_tmp; |
integer AS_addr; |
reg CE; |
|
always @(WENeg_ipd) |
begin |
if (reseted) |
begin |
if (~WENeg_ipd && ~CENeg_ipd && OENeg_ipd ) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
end |
end |
end |
|
always @(CENeg_ipd) |
begin |
if (reseted) |
begin |
if (~CENeg_ipd && (WENeg_ipd != OENeg_ipd) ) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
end |
if (~CENeg_ipd && WENeg_ipd && ~OENeg_ipd) |
begin |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
end |
end |
end |
|
always @(negedge OENeg_ipd ) |
begin |
if (reseted) |
begin |
if (~OENeg_ipd && WENeg_ipd && ~CENeg_ipd) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
AS_addr = A[21]; |
end |
|
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
CE = CENeg; |
Addr = A_tmp; |
end |
end |
|
always @(A) |
begin |
if (reseted) |
if (WENeg_ipd && ~CENeg_ipd && ~OENeg_ipd) |
begin |
A_tmp = A[10:0]; |
SA_tmp = A[HiAddrBit:16]; |
A_tmp1 = A[15:0]; |
Mem_tmp = A; |
AS_addr = A[21]; |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
CE = CENeg; |
end |
end |
|
always @(posedge write) |
begin |
SecAddr = SA_tmp; |
Address = A_tmp1; |
MemAddress = Mem_tmp; |
Addr = A_tmp; |
CE = CENeg; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
// Timing control for the Program Operations |
/////////////////////////////////////////////////////////////////////////// |
|
integer cnt_write = 0; |
//time elapsed_write ; |
time duration_write ; |
//time start_write ; |
event pdone_event; |
|
always @(posedge reseted) |
begin |
PDONE = 1'b1; |
end |
|
always @(reseted or PSTART) |
begin |
if (reseted) |
begin |
if (PSTART && PDONE) |
begin |
if ((~FactoryProt && OTP_ACT)|| |
( ~Sec_Prot[SA] &&(~Ers_queue[SA] || ~ESP_ACT )&& ~OTP_ACT)) |
begin |
duration_write = tdevice_POB + 5; |
PDONE = 1'b0; |
->pdone_event; |
end |
else |
begin |
PERR = 1'b1; |
PERR <= #1005 1'b0; |
end |
end |
end |
end |
|
always @(pdone_event) |
begin:pdone_process |
PDONE = 1'b0; |
#duration_write PDONE = 1'b1; |
end |
|
///////////////////////////////////////////////////////////////////////// |
// Timing control for the Erase Operations |
///////////////////////////////////////////////////////////////////////// |
integer cnt_erase = 0; |
time elapsed_erase; |
time duration_erase; |
time start_erase; |
|
always @(posedge reseted) |
begin |
disable edone_process; |
EDONE = 1'b1; |
end |
event edone_event; |
always @(reseted or ESTART) |
begin: erase |
integer i; |
if (reseted) |
begin |
if (ESTART && EDONE) |
begin |
cnt_erase = 0; |
for (i=0;i<=SecNum;i=i+1) |
begin |
if ((Ers_queue[i]==1'b1) && (Sec_Prot[i]!=1'b1)) |
cnt_erase = cnt_erase + 1; |
end |
|
if (cnt_erase>0) |
begin |
elapsed_erase = 0; |
duration_erase = cnt_erase* tdevice_SEO + 4; |
->edone_event; |
start_erase = $time; |
end |
else |
begin |
EERR = 1'b1; |
EERR <= #100005 1'b0; |
end |
end |
end |
end |
|
always @(edone_event) |
begin : edone_process |
EDONE = 1'b0; |
#duration_erase EDONE = 1'b1; |
end |
|
always @(reseted or ESUSP) |
begin |
if (reseted) |
if (ESUSP && ~EDONE) |
begin |
disable edone_process; |
elapsed_erase = $time - start_erase; |
duration_erase = duration_erase - elapsed_erase; |
EDONE = 1'b0; |
end |
end |
always @(reseted or ERES) |
begin |
if (reseted) |
if (ERES && ~EDONE) |
begin |
start_erase = $time; |
EDONE = 1'b0; |
->edone_event; |
end |
end |
|
// ///////////////////////////////////////////////////////////////////////// |
// // Main Behavior Process |
// // combinational process for next state generation |
// ///////////////////////////////////////////////////////////////////////// |
reg PATTERN_1 = 1'b0; |
reg PATTERN_2 = 1'b0; |
reg A_PAT_1 = 1'b0; |
reg A_PAT_2 = 1'b0; |
reg A_PAT_3 = 1'b0; |
integer DataByte ; |
|
always @(negedge write) |
begin |
DataByte = DIn; |
PATTERN_1 = DataByte==8'hAA ; |
PATTERN_2 = DataByte==8'h55 ; |
A_PAT_1 = 1'b1; |
A_PAT_2 = Address==16'hAAA ; |
A_PAT_3 = Address==16'h555 ; |
|
end |
|
always @(write or reseted) |
begin: StateGen1 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
if (~write) |
case (current_state) |
RESET : |
begin |
if (PATTERN_1) |
next_state = Z001; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = CFI; |
else |
next_state = RESET; |
end |
|
CFI: |
begin |
if (DataByte==8'hF0) |
next_state = RESET; |
else |
next_state = CFI; |
end |
|
Z001 : |
begin |
if (PATTERN_2) |
next_state = PREL_SETBWB; |
else |
next_state = RESET; |
end |
|
PREL_SETBWB : |
begin |
if (A_PAT_1 && (DataByte==16'h20)) |
next_state = PREL_ULBYPASS; |
else if (A_PAT_1 && (DataByte==16'h90)) |
next_state = AS; |
else if (A_PAT_1 && (DataByte==16'hA0)) |
next_state = A0SEEN; |
else if (A_PAT_1 && (DataByte==16'h80)) |
next_state = C8; |
else if (A_PAT_1 && (DataByte==16'h88)) |
next_state = OTP; |
else |
next_state = RESET; |
end |
|
PREL_ULBYPASS : |
begin |
if (DataByte == 16'h90 ) |
next_state <= PREL_ULBYPASS_RESET; |
if (A_PAT_1 && (DataByte == 16'hA0)) |
next_state = A0SEEN; |
else |
next_state = PREL_ULBYPASS; |
end |
|
PREL_ULBYPASS_RESET : |
begin |
if (DataByte == 16'h00 ) |
if (ESP_ACT) |
next_state = ESP; |
else |
next_state = RESET; |
else |
next_state <= PREL_ULBYPASS; |
end |
|
AS : |
begin |
if (DataByte==16'hF0) |
next_state = RESET; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = AS_CFI; |
else |
next_state = AS; |
end |
|
AS_CFI: |
begin |
if (DataByte==8'hF0) |
next_state = AS; |
else |
next_state = AS_CFI; |
end |
|
A0SEEN : |
begin |
next_state = PGMS; |
end |
|
OTP : |
begin |
if (PATTERN_1) |
next_state = OTP_Z001; |
else |
next_state = OTP; |
end |
|
OTP_Z001 : |
begin |
if (PATTERN_2) |
next_state = OTP_PREL; |
else |
next_state = OTP; |
end |
|
OTP_PREL : |
begin |
if (A_PAT_1 && (DataByte == 16'h90)) |
next_state = OTP_AS; |
else if (A_PAT_1 && (DataByte == 16'hA0)) |
next_state = OTP_A0SEEN; |
else |
next_state = OTP; |
end |
|
OTP_AS: |
begin |
if (DataByte == 16'h00) |
if (ESP_ACT) |
next_state = ESP; |
else |
next_state = RESET; |
else if (DataByte == 16'hF0) |
next_state = OTP; |
else if (DataByte == 16'h98) |
next_state = OTP_AS_CFI; |
else |
next_state = OTP_AS; |
end |
|
OTP_AS_CFI: |
begin |
if (DataByte == 16'hF0) |
next_state = OTP_AS; |
else |
next_state = OTP_AS_CFI; |
end |
|
OTP_A0SEEN : |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
next_state = PGMS; |
else |
next_state = OTP; |
end |
|
C8 : |
begin |
if (PATTERN_1) |
next_state = C8_Z001; |
else |
next_state = RESET; |
end |
|
C8_Z001 : |
begin |
if (PATTERN_2) |
next_state = C8_PREL; |
else |
next_state = RESET; |
end |
|
C8_PREL : |
begin |
if (A_PAT_1 && (DataByte==16'h10)) |
next_state = ERS; |
else if (DataByte==16'h30) |
next_state = SERS; |
else |
next_state = RESET; |
end |
|
ERS : |
begin |
end |
|
SERS : |
begin |
if (~CTMOUT && DataByte == 16'hB0) |
next_state = ESP; // ESP according to datasheet |
else if (DataByte==16'h30) |
next_state = SERS; |
else |
next_state = RESET; |
end |
|
SERS_EXEC : |
begin |
end |
|
ESP : |
begin |
if (DataByte == 16'h30) |
next_state = SERS_EXEC; |
else |
begin |
if (PATTERN_1) |
next_state = ESP_Z001; |
if (Addr == 8'h55 && DataByte == 8'h98) |
next_state = ESP_CFI; |
end |
end |
|
ESP_CFI: |
begin |
if (DataByte == 8'hF0) |
next_state = ESP; |
else |
next_state = ESP_CFI; |
end |
|
ESP_Z001 : |
begin |
if (PATTERN_2) |
next_state = ESP_PREL; |
else |
next_state = ESP; |
end |
|
ESP_PREL : |
begin |
if (A_PAT_1 && DataByte == 16'hA0) |
next_state = ESP_A0SEEN; |
else if (A_PAT_1 && DataByte == 16'h20) |
next_state <= PREL_ULBYPASS; |
else if (A_PAT_1 && DataByte == 16'h88) |
next_state <= OTP; |
else if (A_PAT_1 && DataByte == 16'h90) |
next_state = ESP_AS; |
else |
next_state = ESP; |
end |
|
ESP_A0SEEN : |
begin |
next_state = PGMS; //set ESP |
end |
|
ESP_AS : |
begin |
if (DataByte == 16'hF0) |
next_state = ESP; |
else if ((Addr==8'h55) && (DataByte==8'h98)) |
next_state = ESP_AS_CFI; |
end |
|
ESP_AS_CFI: |
begin |
if (DataByte == 8'hF0) |
next_state = ESP_AS; |
else |
next_state = ESP_AS_CFI; |
end |
|
endcase |
end |
|
always @(posedge PDONE or negedge PERR) |
begin: StateGen6 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==PGMS && ULBYPASS) |
next_state = PREL_ULBYPASS; |
else if (current_state==PGMS && OTP_ACT) |
next_state = OTP; |
else if (current_state==PGMS && ESP_ACT) |
next_state = ESP; |
else if (current_state==PGMS) |
next_state = RESET; |
end |
end |
|
always @(posedge EDONE or negedge EERR) |
begin: StateGen2 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if ((current_state==ERS) || (current_state==SERS_EXEC)) |
next_state = RESET; |
end |
end |
|
always @(negedge write or reseted) |
begin: StateGen7 //ok |
integer i,j; |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==SERS_EXEC && (write==1'b0) && (EERR!=1'b1)) |
if (DataByte==16'hB0) |
begin |
next_state = ESPS; |
ESUSP = 1'b1; |
ESUSP <= #1 1'b0; |
end |
end |
end |
|
always @(CTMOUT or reseted) |
begin: StateGen4 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
begin |
if (current_state==SERS && CTMOUT) next_state = SERS_EXEC; |
end |
end |
|
always @(posedge START_T1 or reseted) |
begin: StateGen5 |
if (reseted!=1'b1) |
next_state = current_state; |
else |
if (current_state==ESPS && START_T1) next_state = ESP; |
end |
|
/////////////////////////////////////////////////////////////////////////// |
//FSM Output generation and general funcionality |
/////////////////////////////////////////////////////////////////////////// |
|
always @(posedge read) |
begin |
->oe_event; |
end |
always @(MemAddress) |
begin |
if (read) |
->oe_event; |
end |
|
always @(oe_event) |
begin |
oe = 1'b1; |
#1 oe = 1'b0; |
end |
|
always @(DOut_zd) |
begin : OutputGen |
if (DOut_zd[0] !== 1'bz) |
begin |
CEDQ_t = CENeg_event + CEDQ_01; |
OEDQ_t = OENeg_event + OEDQ_01; |
ADDRDQ_t = ADDR_event + ADDRDQ_01; |
FROMCE = ((CEDQ_t >= OEDQ_t) && ( CEDQ_t >= $time)); |
FROMOE = ((OEDQ_t >= CEDQ_t) && ( OEDQ_t >= $time)); |
FROMADDR = 1'b1; |
if ((ADDRDQ_t > $time )&& |
(((ADDRDQ_t>OEDQ_t)&&FROMOE) || |
((ADDRDQ_t>CEDQ_t)&&FROMCE))) |
begin |
TempData = DOut_zd; |
FROMADDR = 1'b0; |
DOut_Pass = 8'bx; |
#(ADDRDQ_t - $time) DOut_Pass = TempData; |
end |
else |
begin |
DOut_Pass = DOut_zd; |
end |
end |
end |
|
always @(DOut_zd) |
begin |
if (DOut_zd[0] === 1'bz) |
begin |
disable OutputGen; |
FROMCE = 1'b1; |
FROMOE = 1'b1; |
if ((CENeg_posEvent <= OENeg_posEvent) && |
( CENeg_posEvent + 5 >= $time)) |
FROMOE = 1'b0; |
if ((OENeg_posEvent < CENeg_posEvent) && |
( OENeg_posEvent + 5 >= $time)) |
FROMCE = 1'b0; |
FROMADDR = 1'b0; |
DOut_Pass = DOut_zd; |
end |
end |
|
always @(oe or reseted or current_state) |
begin |
if (reseted) |
begin |
case (current_state) |
|
RESET : |
begin |
if (oe) |
MemRead(DOut_zd); |
end |
|
AS, ESP_AS, OTP_AS : |
begin |
if (oe) |
begin |
if (AS_addr == 1'b0) |
begin |
end |
else |
AS_ID = 1'b0; |
if ((Address[7:0] == 0) && (AS_ID == 1'b1)) |
DOut_zd = 1; |
else if ((Address[7:0] == 1) && (AS_ID == 1'b1)) |
DOut_zd = 8'hA3; |
else if ((Address[7:0] == 2) && |
(((SecAddr < 32 ) && (AS_ID == 1'b1)) |
|| ((SecAddr > 31 ) && (AS_ID2 == 1'b1)))) |
begin |
DOut_zd = 8'b00000000; |
DOut_zd[0] = Sec_Prot[SecAddr]; |
end |
else if ((Address[7:0] == 6) && (AS_SecSi_FP == 1'b1)) |
begin |
DOut_zd = 8'b0; |
if (FactoryProt) |
DOut_zd = 16'h99; |
else |
DOut_zd = 16'h19; |
end |
else |
DOut_zd = 8'bz; |
end |
end |
|
OTP : |
begin |
if (oe) |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
begin |
SecSiAddr = Address%(SecSiSize +1); |
if (SecSi[SecSiAddr]==-1) |
DOut_zd = 8'bx; |
else |
DOut_zd = SecSi[SecSiAddr]; |
end |
else |
$display ("Invalid SecSi query address"); |
end |
end |
|
CFI, AS_CFI, ESP_CFI, ESP_AS_CFI, OTP_AS_CFI : |
begin |
if (oe) |
begin |
DOut_zd = 8'bZ; |
if (((MemAddress>=16'h10) && (MemAddress <= 16'h3C)) || |
((MemAddress>=16'h40) && (MemAddress <= 16'h4F))) |
begin |
DOut_zd = CFI_array[MemAddress]; |
end |
else |
begin |
$display ("Invalid CFI query address"); |
end |
end |
end |
|
ERS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
// read status / embeded erase algorithm - Chip Erase |
/////////////////////////////////////////////////////////// |
Status[7] = 1'b0; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
Status[2] = ~Status[2]; //toggle |
|
DOut_zd = Status; |
end |
end |
|
SERS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status - sector erase timeout |
/////////////////////////////////////////////////////////// |
Status[3] = 1'b0; |
Status[7] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
ESPS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status / erase suspend timeout - stil erasing |
/////////////////////////////////////////////////////////// |
if (Ers_queue[SecAddr]==1'b1) |
begin |
Status[7] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
end |
else |
Status[7] = 1'b1; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
SERS_EXEC: |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////// |
//read status erase |
/////////////////////////////////////////////////// |
if (Ers_queue[SecAddr]==1'b1) |
begin |
Status[7] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
end |
else |
Status[7] = 1'b1; |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
Status[3] = 1'b1; |
DOut_zd = Status; |
end |
end |
|
ESP : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read |
/////////////////////////////////////////////////////////// |
|
if (Ers_queue[SecAddr]!=1'b1) |
begin |
MemRead(DOut_zd); |
end |
else |
begin |
/////////////////////////////////////////////////////// |
//read status |
/////////////////////////////////////////////////////// |
Status[7] = 1'b1; |
// Status[6) No toggle |
Status[5] = 1'b0; |
Status[2] = ~Status[2]; //toggle |
DOut_zd = Status; |
end |
end |
end |
|
PGMS : |
begin |
if (oe) |
begin |
/////////////////////////////////////////////////////////// |
//read status |
/////////////////////////////////////////////////////////// |
Status[6] = ~Status[6]; //toggle |
Status[5] = 1'b0; |
//Status[2) no toggle |
Status[1] = 1'b0; |
DOut_zd = Status; |
if (SecAddr == SA) |
DOut_zd[7] = Status[7]; |
else |
DOut_zd[7] = ~Status[7]; |
end |
|
end |
endcase |
end |
end |
|
always @(write or reseted) |
begin : Output_generation |
if (reseted) |
begin |
case (current_state) |
RESET : |
begin |
ESP_ACT = 1'b0; |
ULBYPASS = 1'b0; |
OTP_ACT = 1'b0; |
if (~write) |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
end |
|
Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
PREL_SETBWB : |
begin |
if (~write) |
begin |
if (A_PAT_1 && (DataByte==16'h20)) |
ULBYPASS = 1'b1; |
else if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
else if (A_PAT_1 && (DataByte==16'h88)) |
begin |
OTP_ACT = 1; |
ULBYPASS = 1'b0; |
end |
end |
end |
|
PREL_ULBYPASS : |
begin |
if (~write) |
begin |
ULBYPASS = 1'b1; |
if (A_PAT_1 && (DataByte==16'h90)) |
ULBYPASS = 1'b0; |
end |
end |
|
PREL_ULBYPASS_RESET : |
if ((~write) && (DataByte != 16'h00 )) |
ULBYPASS = 1'b1; |
|
OTP_A0SEEN : |
begin |
if (~write) |
begin |
if ((SecAddr == 16'h3F) && (Address <= 16'hFFFF) && |
(Address >= 16'hFF00)) |
begin |
SecSiAddr = Address%(SecSiSize +1); |
OTP_ACT = 1; |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
|
WBAddr = SecSiAddr; |
SA = SecAddr; |
temp = DataByte; |
Status[7] = ~temp[7]; |
WBData = DataByte; |
end |
else |
$display ("Invalid program address in SecSi region:" |
,Address); |
end |
end |
|
OTP_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
|
end |
|
OTP_Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
OTP : |
begin |
if (~write) |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
RY_zd = 1; |
end |
|
AS : |
begin |
if (~write) |
if (DataByte==16'hF0) |
begin |
AS_SecSi_FP = 1'b0; |
AS_ID = 1'b0; |
AS_ID2 = 1'b0; |
end |
end |
|
A0SEEN : |
begin |
if (~write) |
begin |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
WBData = DataByte; |
WBAddr = Address; |
SA = SecAddr; |
Status[7] = ~DataByte[7]; |
end |
end |
|
C8 : |
begin |
end |
|
C8_Z001 : |
begin |
end |
|
C8_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h10)) |
begin |
//Start Chip Erase |
ESTART = 1'b1; |
ESTART <= #1 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
Ers_queue = ~(0); |
Status = 8'b00001000; |
end |
else if (DataByte==16'h30) |
begin |
//put selected sector to sec. ers. queue |
//start timeout |
Ers_queue = 0; |
Ers_queue[SecAddr] = 1'b1; |
disable TCTMOUTr; |
CTMOUT_in = 1'b0; |
#1 CTMOUT_in <= 1'b1; |
end |
end |
|
ERS : |
begin |
end |
|
SERS : |
begin |
if (~write && ~CTMOUT) |
begin |
if (DataByte == 16'hB0) |
begin |
//need to start erase process prior to suspend |
ESTART = 1'b1; |
ESTART = #1 1'b0; |
ESUSP = #1 1'b0; |
ESUSP = #1 1'b1; |
ESUSP <= #2 1'b0; |
ERES = 1'b0; |
end |
else if (DataByte==16'h30) |
begin |
disable TCTMOUTr; |
CTMOUT_in = 1'b0; |
#1 CTMOUT_in <= 1'b1; |
Ers_queue[SecAddr] = 1'b1; |
end |
end |
end |
|
SERS_EXEC : |
begin |
if (~write) |
if (~EDONE && (EERR!=1'b1) && DataByte==16'hB0) |
START_T1_in = 1'b1; |
end |
|
ESP : |
begin |
if (~write) |
begin |
if (A_PAT_2 && PATTERN_1) |
AS_SecSi_FP = 1'b1; |
else |
AS_SecSi_FP = 1'b0; |
if (DataByte == 16'h30) |
begin |
ERES = 1'b1; |
ERES <= #1 1'b0; |
end |
end |
end |
|
ESP_Z001 : |
begin |
if (~write) |
if (A_PAT_3 && PATTERN_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
end |
|
ESP_PREL : |
begin |
if (~write) |
if (A_PAT_1 && (DataByte==16'h90)) |
begin |
ULBYPASS = 1'b0; |
if (A_PAT_2) |
begin |
end |
else |
AS_SecSi_FP = 1'b0; |
if (AS_addr == 1'b0) |
begin |
AS_ID = 1'b1; |
AS_ID2= 1'b0; |
end |
else |
begin |
AS_ID = 1'b0; |
AS_ID2= 1'b1; |
end |
end |
end |
|
ESP_A0SEEN : |
begin |
if (~write) |
begin |
ESP_ACT = 1'b1; |
PSTART = 1'b1; |
PSTART <= #1 1'b0; |
WBData = DataByte; |
WBAddr = Address; |
SA = SecAddr; |
Status[7] = ~DataByte[7]; |
end |
end |
|
ESP_AS : |
begin |
end |
|
endcase |
end |
end |
|
initial |
begin |
/////////////////////////////////////////////////////////////////////// |
//CFI array data |
/////////////////////////////////////////////////////////////////////// |
|
//CFI query identification string |
for (i=16;i<92;i=i+1) |
CFI_array[i] = -1; |
|
CFI_array[16'h10] = 16'h51; |
CFI_array[16'h11] = 16'h52; |
CFI_array[16'h12] = 16'h59; |
CFI_array[16'h13] = 16'h02; |
CFI_array[16'h14] = 16'h00; |
CFI_array[16'h15] = 16'h40; |
CFI_array[16'h16] = 16'h00; |
CFI_array[16'h17] = 16'h00; |
CFI_array[16'h18] = 16'h00; |
CFI_array[16'h19] = 16'h00; |
CFI_array[16'h1A] = 16'h00; |
|
//system interface string |
CFI_array[16'h1B] = 16'h27; |
CFI_array[16'h1C] = 16'h36; |
CFI_array[16'h1D] = 16'h00; |
CFI_array[16'h1E] = 16'h00; |
CFI_array[16'h1F] = 16'h04; |
CFI_array[16'h20] = 16'h00; |
CFI_array[16'h21] = 16'h0A; |
CFI_array[16'h22] = 16'h00; |
CFI_array[16'h23] = 16'h05; |
CFI_array[16'h24] = 16'h00; |
CFI_array[16'h25] = 16'h04; |
CFI_array[16'h26] = 16'h00; |
//device geometry definition |
CFI_array[16'h27] = 16'h16; |
CFI_array[16'h28] = 16'h00; |
CFI_array[16'h29] = 16'h00; |
CFI_array[16'h2A] = 16'h00; |
CFI_array[16'h2B] = 16'h00; |
CFI_array[16'h2C] = 16'h01; |
CFI_array[16'h2D] = 16'h3F; |
CFI_array[16'h2E] = 16'h00; |
CFI_array[16'h2F] = 16'h00; |
CFI_array[16'h30] = 16'h01; |
CFI_array[16'h31] = 16'h00; |
CFI_array[16'h32] = 16'h00; |
CFI_array[16'h33] = 16'h00; |
CFI_array[16'h34] = 16'h00; |
CFI_array[16'h35] = 16'h00; |
CFI_array[16'h36] = 16'h00; |
CFI_array[16'h37] = 16'h00; |
CFI_array[16'h38] = 16'h00; |
CFI_array[16'h39] = 16'h00; |
CFI_array[16'h3A] = 16'h00; |
CFI_array[16'h3B] = 16'h00; |
CFI_array[16'h3C] = 16'h00; |
|
//primary vendor-specific extended query |
CFI_array[16'h40] = 16'h50; |
CFI_array[16'h41] = 16'h52; |
CFI_array[16'h42] = 16'h49; |
CFI_array[16'h43] = 16'h31; |
CFI_array[16'h44] = 16'h31; |
CFI_array[16'h45] = 16'h01; |
CFI_array[16'h46] = 16'h02; |
CFI_array[16'h47] = 16'h01; |
CFI_array[16'h48] = 16'h01; |
CFI_array[16'h49] = 16'h04; |
CFI_array[16'h4A] = 16'h00; |
CFI_array[16'h4B] = 16'h00; |
CFI_array[16'h4C] = 16'h00; |
CFI_array[16'h4D] = 16'hB5; |
CFI_array[16'h4E] = 16'hC5; |
CFI_array[16'h4F] = 16'h00; |
|
end |
|
always @(current_state or reseted) |
begin |
if (reseted) |
if (current_state==RESET) RY_zd = 1'b1; |
if (current_state==PREL_ULBYPASS) RY_zd = 1'b1; |
if (current_state==A0SEEN) RY_zd = 1'b1; |
if (current_state==ERS) RY_zd = 1'b0; |
if (current_state==SERS) RY_zd = 1'b0; |
if (current_state==ESPS) RY_zd = 1'b0; |
if (current_state==SERS_EXEC) RY_zd = 1'b0; |
if (current_state==ESP) RY_zd = 1'b1; |
if (current_state==OTP) RY_zd = 1'b1; |
if (current_state==ESP_A0SEEN) RY_zd = 1'b1; |
if (current_state==PGMS) RY_zd = 1'b0; |
end |
|
always @(EERR or EDONE or current_state) |
begin : ERS2 |
integer i; |
integer j; |
if (current_state==ERS && EERR!=1'b1) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = -1; |
end |
if (current_state==ERS && EDONE) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = MaxData; |
end |
end |
|
always @(CTMOUT or current_state) |
begin : SERS2 |
if (current_state==SERS && CTMOUT) |
begin |
CTMOUT_in = 1'b0; |
START_T1_in = 1'b0; |
ESTART = 1'b1; |
ESTART <= #1 1'b0; |
ESUSP = 1'b0; |
ERES = 1'b0; |
end |
end |
|
always @(START_T1 or current_state) |
begin : ESPS2 |
if (current_state==ESPS && START_T1) |
begin |
ESP_ACT = 1'b1; |
START_T1_in = 1'b0; |
end |
end |
|
always @(EERR or EDONE or current_state) |
begin: SERS_EXEC2 |
integer i,j; |
if (current_state==SERS_EXEC) |
begin |
if (EERR!=1'b1) |
begin |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1 && Ers_queue[i]) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = -1; |
|
if (EDONE) |
for (i=0;i<=SecNum;i=i+1) |
begin |
if (Sec_Prot[i]!=1'b1 && Ers_queue[i]) |
for (j=0;j<=SecSize;j=j+1) |
Mem[sa(i)+j] = MaxData; |
end |
end |
end |
end |
end |
|
always @(current_state or posedge PDONE) |
begin: PGMS2 |
integer i,j; |
if (current_state==PGMS) |
begin |
if (PERR!=1'b1) |
begin |
new_int = WBData; |
if (OTP_ACT!=1'b1) //mem write |
old_int=Mem[sa(SA) + WBAddr]; |
else |
old_int=SecSi[WBAddr]; |
new_bit = new_int; |
if (old_int>-1) |
begin |
old_bit = old_int; |
for(j=0;j<=7;j=j+1) |
if (~old_bit[j]) |
new_bit[j]=1'b0; |
new_int=new_bit; |
end |
WBData = new_int; |
if (OTP_ACT!=1'b1) //mem write |
Mem[sa(SA) + WBAddr] = -1; |
else |
SecSi[WBAddr] = -1; |
if (PDONE && ~PSTART) |
begin |
if (OTP_ACT!=1'b1) //mem write |
Mem[sa(SA) + WBAddr] = WBData; |
else |
SecSi[WBAddr] = WBData; |
WBData= -1; |
end |
end |
end |
end |
|
always @(gOE_n or gCE_n or RESETNeg or RST ) |
begin |
//Output Disable Control |
if (gOE_n || gCE_n || (~RESETNeg && ~RST)) |
DOut_zd = 8'bZ; |
end |
|
reg BuffInOE , BuffInCE , BuffInADDR; |
wire BuffOutOE, BuffOutCE, BuffOutADDR; |
|
BUFFER BUFOE (BuffOutOE, BuffInOE); |
BUFFER BUFCE (BuffOutCE, BuffInCE); |
BUFFER BUFADDR (BuffOutADDR, BuffInADDR); |
initial |
begin |
BuffInOE = 1'b1; |
BuffInCE = 1'b1; |
BuffInADDR = 1'b1; |
end |
|
always @(posedge BuffOutOE) |
begin |
OEDQ_01 = $time; |
end |
always @(posedge BuffOutCE) |
begin |
CEDQ_01 = $time; |
end |
always @(posedge BuffOutADDR) |
begin |
ADDRDQ_01 = $time; |
end |
|
function integer sa; |
input [7:0] sect; |
begin |
sa = sect * (SecSize + 1); |
end |
endfunction |
|
task MemRead; |
inout[7:0] DOut_zd; |
begin |
if (Mem[sa(SecAddr)+Address]==-1) |
DOut_zd = 8'bx; |
else |
DOut_zd = Mem[sa(SecAddr)+Address]; |
end |
endtask |
endmodule |
|
module BUFFER (OUT,IN); |
input IN; |
output OUT; |
buf ( OUT, IN); |
endmodule |
/sim/models/wb_slave_model.v
1,138 → 1,138
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module wb_slave_model( clk_i, rst_i, dat_o, dat_i, adr_i, |
cyc_i, stb_i, we_i, sel_i, |
ack_o, err_o, rty_o ); |
|
parameter DWIDTH = 8; |
parameter AWIDTH = 8; |
parameter ACK_DELAY = 2; |
parameter SLAVE_RAM_INIT = "wb_slave_model.txt"; |
|
input clk_i; |
input rst_i; |
output [DWIDTH-1:0] dat_o; |
input [DWIDTH-1:0] dat_i; |
input [AWIDTH-1:0] adr_i; |
input cyc_i; |
input stb_i; |
input we_i; |
input [( (DWIDTH/8) - 1 ):0] sel_i; |
output ack_o; |
output err_o; |
output rty_o; |
|
|
|
|
|
// -------------------------------------------------------------------- |
// slave ram |
reg [7:0] ram[2**AWIDTH-1:0]; |
|
initial |
$readmemh( SLAVE_RAM_INIT, ram ); |
|
// -------------------------------------------------------------------- |
// |
generate |
case( DWIDTH ) |
8: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 8 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[adr_i] <= dat_i[7:0]; |
|
assign dat_o = ram[adr_i]; |
|
end |
|
16: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 16 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[{adr_i[AWIDTH-1:1], 1'b0}] <= dat_i[7:0]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[1]) |
ram[{adr_i[AWIDTH-1:1], 1'b1}] <= dat_i[15:8]; |
|
assign dat_o = { ram[{adr_i[AWIDTH-1:1], 1'b1}], ram[{adr_i[AWIDTH-1:1], 1'b0}] }; |
|
end |
|
32: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 32 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[{adr_i[AWIDTH-1:2], 2'b00}] <= dat_i[7:0]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[1]) |
ram[{adr_i[AWIDTH-1:2], 2'b01}] <= dat_i[15:8]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[2]) |
ram[{adr_i[AWIDTH-1:2], 2'b10}] <= dat_i[23:16]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[3]) |
ram[{adr_i[AWIDTH-1:2], 2'b11}] <= dat_i[31:24]; |
|
assign dat_o = { ram[{adr_i[AWIDTH-1:2], 2'b11}], ram[{adr_i[AWIDTH-1:2], 2'b10}], ram[{adr_i[AWIDTH-1:2], 2'b01}], ram[{adr_i[AWIDTH-1:2], 2'b00}] }; |
|
end |
|
default: begin |
localparam SLAVE_SIZE = -1; |
initial |
begin |
$display( "!!!- wb_slave_model(): invalad DWIDTH parameter" ); |
$stop(); |
end |
end |
endcase |
endgenerate |
|
|
// -------------------------------------------------------------------- |
// ack delay |
reg ack_delayed; |
|
initial |
ack_delayed = 1'b0; |
|
always @(posedge clk_i or cyc_i or stb_i) |
begin |
if(cyc_i & stb_i) |
begin |
ack_delayed = 1'b0; |
repeat(ACK_DELAY) @(posedge clk_i); |
if(cyc_i & stb_i) |
ack_delayed = 1'b1; |
else |
ack_delayed = 1'b0; |
end |
else |
ack_delayed = 1'b0; |
end |
|
// -------------------------------------------------------------------- |
// assign outputs |
assign ack_o = ack_delayed; |
assign err_o = 1'b0; |
assign rty_o = 1'b0; |
|
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module wb_slave_model( clk_i, rst_i, dat_o, dat_i, adr_i, |
cyc_i, stb_i, we_i, sel_i, |
ack_o, err_o, rty_o ); |
|
parameter DWIDTH = 8; |
parameter AWIDTH = 8; |
parameter ACK_DELAY = 2; |
parameter SLAVE_RAM_INIT = "wb_slave_model.txt"; |
|
input clk_i; |
input rst_i; |
output [DWIDTH-1:0] dat_o; |
input [DWIDTH-1:0] dat_i; |
input [AWIDTH-1:0] adr_i; |
input cyc_i; |
input stb_i; |
input we_i; |
input [( (DWIDTH/8) - 1 ):0] sel_i; |
output ack_o; |
output err_o; |
output rty_o; |
|
|
|
|
|
// -------------------------------------------------------------------- |
// slave ram |
reg [7:0] ram[2**AWIDTH-1:0]; |
|
initial |
$readmemh( SLAVE_RAM_INIT, ram ); |
|
// -------------------------------------------------------------------- |
// |
generate |
case( DWIDTH ) |
8: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 8 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[adr_i] <= dat_i[7:0]; |
|
assign dat_o = ram[adr_i]; |
|
end |
|
16: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 16 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[{adr_i[AWIDTH-1:1], 1'b0}] <= dat_i[7:0]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[1]) |
ram[{adr_i[AWIDTH-1:1], 1'b1}] <= dat_i[15:8]; |
|
assign dat_o = { ram[{adr_i[AWIDTH-1:1], 1'b1}], ram[{adr_i[AWIDTH-1:1], 1'b0}] }; |
|
end |
|
32: begin |
initial |
$display( "###- wb_slave_model(): WISHBONE 32 BIT SLAVE MODEL INSTANTIATED " ); |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[0]) |
ram[{adr_i[AWIDTH-1:2], 2'b00}] <= dat_i[7:0]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[1]) |
ram[{adr_i[AWIDTH-1:2], 2'b01}] <= dat_i[15:8]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[2]) |
ram[{adr_i[AWIDTH-1:2], 2'b10}] <= dat_i[23:16]; |
|
always @ (posedge clk_i) |
if (we_i & cyc_i & stb_i & sel_i[3]) |
ram[{adr_i[AWIDTH-1:2], 2'b11}] <= dat_i[31:24]; |
|
assign dat_o = { ram[{adr_i[AWIDTH-1:2], 2'b11}], ram[{adr_i[AWIDTH-1:2], 2'b10}], ram[{adr_i[AWIDTH-1:2], 2'b01}], ram[{adr_i[AWIDTH-1:2], 2'b00}] }; |
|
end |
|
default: begin |
localparam SLAVE_SIZE = -1; |
initial |
begin |
$display( "!!!- wb_slave_model(): invalad DWIDTH parameter" ); |
$stop(); |
end |
end |
endcase |
endgenerate |
|
|
// -------------------------------------------------------------------- |
// ack delay |
reg ack_delayed; |
|
initial |
ack_delayed = 1'b0; |
|
always @(posedge clk_i or cyc_i or stb_i) |
begin |
if(cyc_i & stb_i) |
begin |
ack_delayed = 1'b0; |
repeat(ACK_DELAY) @(posedge clk_i); |
if(cyc_i & stb_i) |
ack_delayed = 1'b1; |
else |
ack_delayed = 1'b0; |
end |
else |
ack_delayed = 1'b0; |
end |
|
// -------------------------------------------------------------------- |
// assign outputs |
assign ack_o = ack_delayed; |
assign err_o = 1'b0; |
assign rty_o = 1'b0; |
|
|
endmodule |
/sim/models/IS61LV25616AL.v
1,107 → 1,107
// IS61LV25616 Asynchronous SRAM, 256K x 16 = 4M; speed: 10ns. |
// Note; 1) Please include "+define+ OEb" in running script if you want to check |
// timing in the case of OE_ being set. |
// 2) Please specify access time by defining tAC_10 or tAC_12. |
|
// `define OEb |
`define tAC_10 |
`timescale 1ns/10ps |
|
module IS61LV25616 (A, IO, CE_, OE_, WE_, LB_, UB_); |
|
parameter dqbits = 16; |
parameter memdepth = 262143; |
parameter addbits = 18; |
parameter Toha = 2; |
|
parameter Tsa = 2; |
|
`ifdef tAC_10 |
parameter Taa = 10, |
Thzce = 3, |
Thzwe = 5; |
`endif |
|
`ifdef tAC_12 |
parameter Taa = 12, |
Thzce = 5, |
Thzwe = 6; |
`endif |
|
input CE_, OE_, WE_, LB_, UB_; |
input [(addbits - 1) : 0] A; |
inout [(dqbits - 1) : 0] IO; |
|
wire [(dqbits - 1) : 0] dout; |
reg [(dqbits/2 - 1) : 0] bank0 [0 : memdepth]; |
reg [(dqbits/2 - 1) : 0] bank1 [0 : memdepth]; |
// wire [(dqbits - 1) : 0] memprobe = {bank1[A], bank0[A]}; |
|
wire r_en = WE_ & (~CE_) & (~OE_); |
wire w_en = (~WE_) & (~CE_) & ((~LB_) | (~UB_)); |
assign #(r_en ? Taa : Thzce) IO = r_en ? dout : 16'bz; |
|
initial |
$timeformat (-9, 0.1, " ns", 10); |
|
assign dout [(dqbits/2 - 1) : 0] = LB_ ? 8'bz : bank0[A]; |
assign dout [(dqbits - 1) : (dqbits/2)] = UB_ ? 8'bz : bank1[A]; |
|
always @(A or w_en) |
begin |
#Tsa |
if (w_en) |
#Thzwe |
begin |
bank0[A] = LB_ ? bank0[A] : IO [(dqbits/2 - 1) : 0]; |
bank1[A] = UB_ ? bank1[A] : IO [(dqbits - 1) : (dqbits/2)]; |
end |
end |
|
// Timing Check |
`ifdef tAC_10 |
specify |
specparam |
tSA = 0, |
tAW = 8, |
tSCE = 8, |
tSD = 6, |
tPWE2 = 10, |
tPWE1 = 8, |
tPBW = 8; |
`else |
|
`ifdef tAC_10 |
specify |
specparam |
tSA = 0, |
tAW = 8, |
tSCE = 8, |
tSD = 6, |
tPWE2 = 12, |
tPWE1 = 8, |
tPBW = 8; |
`endif |
`endif |
|
$setup (A, negedge CE_, tSA); |
// $setup (A, posedge CE_, tAW); |
// $setup (IO, posedge CE_, tSD); |
$setup (A, negedge WE_, tSA); |
// $setup (IO, posedge WE_, tSD); |
$setup (A, negedge LB_, tSA); |
$setup (A, negedge UB_, tSA); |
|
$width (negedge CE_, tSCE); |
$width (negedge LB_, tPBW); |
$width (negedge UB_, tPBW); |
`ifdef OEb |
$width (negedge WE_, tPWE1); |
`else |
$width (negedge WE_, tPWE2); |
`endif |
|
endspecify |
|
endmodule |
|
// IS61LV25616 Asynchronous SRAM, 256K x 16 = 4M; speed: 10ns. |
// Note; 1) Please include "+define+ OEb" in running script if you want to check |
// timing in the case of OE_ being set. |
// 2) Please specify access time by defining tAC_10 or tAC_12. |
|
// `define OEb |
`define tAC_10 |
`timescale 1ns/10ps |
|
module IS61LV25616 (A, IO, CE_, OE_, WE_, LB_, UB_); |
|
parameter dqbits = 16; |
parameter memdepth = 262143; |
parameter addbits = 18; |
parameter Toha = 2; |
|
parameter Tsa = 2; |
|
`ifdef tAC_10 |
parameter Taa = 10, |
Thzce = 3, |
Thzwe = 5; |
`endif |
|
`ifdef tAC_12 |
parameter Taa = 12, |
Thzce = 5, |
Thzwe = 6; |
`endif |
|
input CE_, OE_, WE_, LB_, UB_; |
input [(addbits - 1) : 0] A; |
inout [(dqbits - 1) : 0] IO; |
|
wire [(dqbits - 1) : 0] dout; |
reg [(dqbits/2 - 1) : 0] bank0 [0 : memdepth]; |
reg [(dqbits/2 - 1) : 0] bank1 [0 : memdepth]; |
// wire [(dqbits - 1) : 0] memprobe = {bank1[A], bank0[A]}; |
|
wire r_en = WE_ & (~CE_) & (~OE_); |
wire w_en = (~WE_) & (~CE_) & ((~LB_) | (~UB_)); |
assign #(r_en ? Taa : Thzce) IO = r_en ? dout : 16'bz; |
|
initial |
$timeformat (-9, 0.1, " ns", 10); |
|
assign dout [(dqbits/2 - 1) : 0] = LB_ ? 8'bz : bank0[A]; |
assign dout [(dqbits - 1) : (dqbits/2)] = UB_ ? 8'bz : bank1[A]; |
|
always @(A or w_en) |
begin |
#Tsa |
if (w_en) |
#Thzwe |
begin |
bank0[A] = LB_ ? bank0[A] : IO [(dqbits/2 - 1) : 0]; |
bank1[A] = UB_ ? bank1[A] : IO [(dqbits - 1) : (dqbits/2)]; |
end |
end |
|
// Timing Check |
`ifdef tAC_10 |
specify |
specparam |
tSA = 0, |
tAW = 8, |
tSCE = 8, |
tSD = 6, |
tPWE2 = 10, |
tPWE1 = 8, |
tPBW = 8; |
`else |
|
`ifdef tAC_10 |
specify |
specparam |
tSA = 0, |
tAW = 8, |
tSCE = 8, |
tSD = 6, |
tPWE2 = 12, |
tPWE1 = 8, |
tPBW = 8; |
`endif |
`endif |
|
$setup (A, negedge CE_, tSA); |
// $setup (A, posedge CE_, tAW); |
// $setup (IO, posedge CE_, tSD); |
$setup (A, negedge WE_, tSA); |
// $setup (IO, posedge WE_, tSD); |
$setup (A, negedge LB_, tSA); |
$setup (A, negedge UB_, tSA); |
|
$width (negedge CE_, tSCE); |
$width (negedge LB_, tPBW); |
$width (negedge UB_, tPBW); |
`ifdef OEb |
$width (negedge WE_, tPWE1); |
`else |
$width (negedge WE_, tPWE2); |
`endif |
|
endspecify |
|
endmodule |
|
/sim/models/async_mem_master.v
1,248 → 1,248
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module async_mem_master |
#( |
parameter log_level = 3, |
parameter ce_setup = 10, |
parameter op_hold = 15, |
parameter dw = 32, |
parameter aw = 32 |
) |
( |
inout [(dw-1):0] mem_d, |
output [(aw-1):0] mem_a, |
output mem_oe_n, |
output [3:0] mem_bls_n, |
output mem_we_n, |
output mem_cs_n, |
|
input tb_clk, |
input tb_rst |
); |
|
|
|
// -------------------------------------------------------------------- |
// async_mem_default_state |
reg [(dw-1):0] mem_d_r; |
reg [(aw-1):0] mem_a_r; |
reg mem_oe_n_r; |
reg [3:0] mem_bls_n_r; |
reg mem_we_n_r; |
reg mem_cs_n_r; |
reg tb_oe_r; |
|
task async_mem_default_state; |
begin |
mem_d_r = 'bx; |
mem_a_r = 'bx; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = 4'b1111; |
mem_we_n_r = 1'b1; |
tb_oe_r = 1'b0; |
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// |
initial |
begin |
async_mem_default_state(); |
mem_cs_n_r = 1'b1; |
end |
|
|
// -------------------------------------------------------------------- |
// async_mem_3x_write |
task async_mem_3x_write; |
input [(dw-1):0] address; |
input [(dw-1):0] data1; |
input [(dw-1):0] data2; |
input [(dw-1):0] data3; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_3x_write: @ 0x%h at time %t. ", address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
repeat(ce_setup) @(posedge tb_clk); |
|
mem_d_r = data1; |
mem_a_r = address; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = byte_lane_select; |
mem_we_n_r = 1'b0; |
tb_oe_r = 1'b1; |
|
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
|
repeat(ce_setup) @(posedge tb_clk); |
mem_d_r = data2; |
mem_a_r = address + 4; |
mem_we_n_r = 1'b0; |
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
repeat(ce_setup) @(posedge tb_clk); |
mem_d_r = data3; |
mem_a_r = address + 8; |
mem_we_n_r = 1'b0; |
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
@(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_write |
task async_mem_write; |
input [(dw-1):0] address; |
input [(dw-1):0] data; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_write: 0x%h @ 0x%h at time %t. ", data, address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
repeat(ce_setup) @(posedge tb_clk); |
|
mem_d_r = data; |
mem_a_r = address; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = byte_lane_select; |
mem_we_n_r = 1'b0; |
tb_oe_r = 1'b1; |
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_cmp |
task async_mem_cmp; |
input [(dw-1):0] address; |
input [(dw-1):0] data; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_cmp: 0x%h @ 0x%h at time %t. ", data, address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
mem_we_n_r = 1'b1; |
mem_oe_n_r = 1'b0; |
tb_oe_r = 1'b0; |
mem_a_r = address; |
mem_bls_n_r = byte_lane_select; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data, address); |
|
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_3x_cmp |
task async_mem_3x_cmp; |
input [(dw-1):0] address; |
input [(dw-1):0] data1; |
input [(dw-1):0] data2; |
input [(dw-1):0] data3; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_3x_cmp: @ 0x%h at time %t. ", address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
mem_we_n_r = 1'b1; |
mem_oe_n_r = 1'b0; |
tb_oe_r = 1'b0; |
mem_a_r = address; |
mem_bls_n_r = byte_lane_select; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data1 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data1, address); |
|
repeat(op_hold) @(posedge tb_clk); |
|
mem_a_r = address + 4; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data2 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data2, address + 4); |
|
repeat(op_hold) @(posedge tb_clk); |
|
mem_a_r = address + 8; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data3 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data3, address + 8); |
|
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// outputs |
assign mem_d = tb_oe_r ? mem_d_r : 'bz; |
|
assign mem_a = mem_a_r; |
assign mem_oe_n = mem_oe_n_r; |
assign mem_bls_n = mem_bls_n_r; |
assign mem_we_n = mem_we_n_r; |
assign mem_cs_n = mem_cs_n_r; |
|
endmodule |
|
|
// -------------------------------------------------------------------- |
// |
// -------------------------------------------------------------------- |
|
`timescale 1ns/10ps |
|
|
module async_mem_master |
#( |
parameter log_level = 3, |
parameter ce_setup = 10, |
parameter op_hold = 15, |
parameter dw = 32, |
parameter aw = 32 |
) |
( |
inout [(dw-1):0] mem_d, |
output [(aw-1):0] mem_a, |
output mem_oe_n, |
output [3:0] mem_bls_n, |
output mem_we_n, |
output mem_cs_n, |
|
input tb_clk, |
input tb_rst |
); |
|
|
|
// -------------------------------------------------------------------- |
// async_mem_default_state |
reg [(dw-1):0] mem_d_r; |
reg [(aw-1):0] mem_a_r; |
reg mem_oe_n_r; |
reg [3:0] mem_bls_n_r; |
reg mem_we_n_r; |
reg mem_cs_n_r; |
reg tb_oe_r; |
|
task async_mem_default_state; |
begin |
mem_d_r = 'bx; |
mem_a_r = 'bx; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = 4'b1111; |
mem_we_n_r = 1'b1; |
tb_oe_r = 1'b0; |
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// |
initial |
begin |
async_mem_default_state(); |
mem_cs_n_r = 1'b1; |
end |
|
|
// -------------------------------------------------------------------- |
// async_mem_3x_write |
task async_mem_3x_write; |
input [(dw-1):0] address; |
input [(dw-1):0] data1; |
input [(dw-1):0] data2; |
input [(dw-1):0] data3; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_3x_write: @ 0x%h at time %t. ", address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
repeat(ce_setup) @(posedge tb_clk); |
|
mem_d_r = data1; |
mem_a_r = address; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = byte_lane_select; |
mem_we_n_r = 1'b0; |
tb_oe_r = 1'b1; |
|
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
|
repeat(ce_setup) @(posedge tb_clk); |
mem_d_r = data2; |
mem_a_r = address + 4; |
mem_we_n_r = 1'b0; |
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
repeat(ce_setup) @(posedge tb_clk); |
mem_d_r = data3; |
mem_a_r = address + 8; |
mem_we_n_r = 1'b0; |
repeat(op_hold) @(posedge tb_clk); |
mem_we_n_r = 1'b1; |
|
@(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_write |
task async_mem_write; |
input [(dw-1):0] address; |
input [(dw-1):0] data; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_write: 0x%h @ 0x%h at time %t. ", data, address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
repeat(ce_setup) @(posedge tb_clk); |
|
mem_d_r = data; |
mem_a_r = address; |
mem_oe_n_r = 1'b1; |
mem_bls_n_r = byte_lane_select; |
mem_we_n_r = 1'b0; |
tb_oe_r = 1'b1; |
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_cmp |
task async_mem_cmp; |
input [(dw-1):0] address; |
input [(dw-1):0] data; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_cmp: 0x%h @ 0x%h at time %t. ", data, address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
mem_we_n_r = 1'b1; |
mem_oe_n_r = 1'b0; |
tb_oe_r = 1'b0; |
mem_a_r = address; |
mem_bls_n_r = byte_lane_select; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data, address); |
|
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// async_mem_3x_cmp |
task async_mem_3x_cmp; |
input [(dw-1):0] address; |
input [(dw-1):0] data1; |
input [(dw-1):0] data2; |
input [(dw-1):0] data3; |
input [3:0] byte_lane_select; |
begin |
|
if( log_level > 2 ) |
$display( "###- async_mem_3x_cmp: @ 0x%h at time %t. ", address, $time ); |
|
@(posedge tb_clk); |
|
mem_cs_n_r = 1'b0; |
mem_we_n_r = 1'b1; |
mem_oe_n_r = 1'b0; |
tb_oe_r = 1'b0; |
mem_a_r = address; |
mem_bls_n_r = byte_lane_select; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data1 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data1, address); |
|
repeat(op_hold) @(posedge tb_clk); |
|
mem_a_r = address + 4; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data2 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data2, address + 4); |
|
repeat(op_hold) @(posedge tb_clk); |
|
mem_a_r = address + 8; |
repeat(ce_setup) @(posedge tb_clk); |
|
|
if( ( mem_d !== data3 ) & (log_level > 0) ) |
$display( "!!!- Data compare error at time %t. Received %h, expected %h at address %h", $time, mem_d, data3, address + 8); |
|
repeat(op_hold) @(posedge tb_clk); |
|
async_mem_default_state(); |
|
mem_cs_n_r = 1'b1; |
|
end |
endtask |
|
|
// -------------------------------------------------------------------- |
// outputs |
assign mem_d = tb_oe_r ? mem_d_r : 'bz; |
|
assign mem_a = mem_a_r; |
assign mem_oe_n = mem_oe_n_r; |
assign mem_bls_n = mem_bls_n_r; |
assign mem_we_n = mem_we_n_r; |
assign mem_cs_n = mem_cs_n_r; |
|
endmodule |
|
|
/sw/scripts/lpc-l2294_test.txt
1,54 → 1,54
|
# enable cs3 |
iopoke -b 0xE002C014 -4 -v 0x0f814924 |
|
# configure BCFG3 |
iopoke -b 0xFFE0000C -4 -v 0x20007de7 |
iopeek -b 0xFFE0000C -4 |
|
|
# read & write to FPGA |
|
iopoke -b 0x83000000 -4 -v 0xabbabeef |
iopeek -b 0x83000000 -4 |
|
iopeek -b 0x83000000 -1 |
iopeek -b 0x83000001 -1 |
iopeek -b 0x83000002 -1 |
iopeek -b 0x83000003 -1 |
|
iopoke -b 0x83000000 -1 -v 0x01 |
iopoke -b 0x83000000 -1 -v 0x02 |
iopoke -b 0x83000000 -1 -v 0x04 |
iopoke -b 0x83000000 -1 -v 0x08 |
iopoke -b 0x83000000 -1 -v 0x10 |
iopoke -b 0x83000000 -1 -v 0x20 |
iopoke -b 0x83000000 -1 -v 0x40 |
iopoke -b 0x83000000 -1 -v 0x80 |
|
iopoke -b 0x83000001 -1 -v 0x01 |
|
iopoke -b 0x83000002 -1 -v 0x01 |
|
iopoke -b 0x83000003 -1 -v 0x01 |
|
iopoke -b 0x83000000 -1 -v 0x01 |
iopoke -b 0x83000001 -1 -v 0x02 |
iopoke -b 0x83000002 -1 -v 0x04 |
iopoke -b 0x83000003 -1 -v 0x08 |
iopoke -b 0x83000004 -1 -v 0x10 |
iopoke -b 0x83000005 -1 -v 0x20 |
iopoke -b 0x83000006 -1 -v 0x40 |
iopoke -b 0x83000007 -1 -v 0x80 |
|
iopoke -b 0x83000008 -4 -v 0xabbabeef |
iopoke -b 0x8300000c -4 -v 0xffffffff |
iopoke -b 0x83000010 -4 -v 0x00ffffff |
iopoke -b 0x83000014 -4 -v 0xff00ffff |
iopoke -b 0x83000018 -4 -v 0xffff00ff |
iopoke -b 0x8300001c -4 -v 0xffffff00 |
|
dump -b 0x83000000 -4 |
|
iopeek -b 0x83000014 -4 |
|
|
# enable cs3 |
iopoke -b 0xE002C014 -4 -v 0x0f814924 |
|
# configure BCFG3 |
iopoke -b 0xFFE0000C -4 -v 0x20007de7 |
iopeek -b 0xFFE0000C -4 |
|
|
# read & write to FPGA |
|
iopoke -b 0x83000000 -4 -v 0xabbabeef |
iopeek -b 0x83000000 -4 |
|
iopeek -b 0x83000000 -1 |
iopeek -b 0x83000001 -1 |
iopeek -b 0x83000002 -1 |
iopeek -b 0x83000003 -1 |
|
iopoke -b 0x83000000 -1 -v 0x01 |
iopoke -b 0x83000000 -1 -v 0x02 |
iopoke -b 0x83000000 -1 -v 0x04 |
iopoke -b 0x83000000 -1 -v 0x08 |
iopoke -b 0x83000000 -1 -v 0x10 |
iopoke -b 0x83000000 -1 -v 0x20 |
iopoke -b 0x83000000 -1 -v 0x40 |
iopoke -b 0x83000000 -1 -v 0x80 |
|
iopoke -b 0x83000001 -1 -v 0x01 |
|
iopoke -b 0x83000002 -1 -v 0x01 |
|
iopoke -b 0x83000003 -1 -v 0x01 |
|
iopoke -b 0x83000000 -1 -v 0x01 |
iopoke -b 0x83000001 -1 -v 0x02 |
iopoke -b 0x83000002 -1 -v 0x04 |
iopoke -b 0x83000003 -1 -v 0x08 |
iopoke -b 0x83000004 -1 -v 0x10 |
iopoke -b 0x83000005 -1 -v 0x20 |
iopoke -b 0x83000006 -1 -v 0x40 |
iopoke -b 0x83000007 -1 -v 0x80 |
|
iopoke -b 0x83000008 -4 -v 0xabbabeef |
iopoke -b 0x8300000c -4 -v 0xffffffff |
iopoke -b 0x83000010 -4 -v 0x00ffffff |
iopoke -b 0x83000014 -4 -v 0xff00ffff |
iopoke -b 0x83000018 -4 -v 0xffff00ff |
iopoke -b 0x8300001c -4 -v 0xffffff00 |
|
dump -b 0x83000000 -4 |
|
iopeek -b 0x83000014 -4 |
|
/syn/debug/top.qpf
1,21 → 1,21
# Copyright (C) 1991-2006 Altera Corporation |
# Your use of Altera Corporation's design tools, logic functions |
# and other software and tools, and its AMPP partner logic |
# functions, and any output files any of the foregoing |
# (including device programming or simulation files), and any |
# associated documentation or information are expressly subject |
# to the terms and conditions of the Altera Program License |
# Subscription Agreement, Altera MegaCore Function License |
# Agreement, or other applicable license agreement, including, |
# without limitation, that your use is for the sole purpose of |
# programming logic devices manufactured by Altera and sold by |
# Altera or its authorized distributors. Please refer to the |
# applicable agreement for further details. |
|
|
|
|
|
# Revisions |
|
PROJECT_REVISION = "top" |
# Copyright (C) 1991-2006 Altera Corporation |
# Your use of Altera Corporation's design tools, logic functions |
# and other software and tools, and its AMPP partner logic |
# functions, and any output files any of the foregoing |
# (including device programming or simulation files), and any |
# associated documentation or information are expressly subject |
# to the terms and conditions of the Altera Program License |
# Subscription Agreement, Altera MegaCore Function License |
# Agreement, or other applicable license agreement, including, |
# without limitation, that your use is for the sole purpose of |
# programming logic devices manufactured by Altera and sold by |
# Altera or its authorized distributors. Please refer to the |
# applicable agreement for further details. |
|
|
|
|
|
# Revisions |
|
PROJECT_REVISION = "top" |