| |
| /******************** |
| parameter bit [15:0] PAD_STRAP = (2'b00 << `PSTRAP_CLK_SRC ) | |
| (2'b00 << `PSTRAP_CLK_DIV ) | |
| (1'b1 << `PSTRAP_UARTM_CFG ) | |
| (1'b1 << `PSTRAP_QSPI_SRAM ) | |
| (2'b10 << `PSTRAP_QSPI_FLASH ) | |
| (1'b1 << `PSTRAP_RISCV_RESET_MODE ) | |
| (1'b1 << `PSTRAP_RISCV_CACHE_BYPASS ) | |
| (1'b1 << `PSTRAP_RISCV_SRAM_CLK_EDGE ) | |
| (2'b00 << `PSTRAP_CLK_SKEW ) | |
| (1'b0 << `PSTRAP_DEFAULT_VALUE ) ; |
| ****/ |
| |
| `ifdef RISC_BOOT // RISCV Based Test case |
| parameter bit [15:0] PAD_STRAP = 16'b0000_0001_1011_0000; |
| `else |
| parameter bit [15:0] PAD_STRAP = 16'b0000_0000_1011_0000; |
| `endif |
| |
| /*********************************************** |
| |
| wire [15:0] strap_in; |
| assign strap_in[`PSTRAP_CLK_SRC] = 2'b00; // System Clock Source wbs/riscv: User clock1 |
| assign strap_in[`PSTRAP_CLK_DIV] = 2'b00; // Clock Division for wbs/riscv : 0 Div |
| assign strap_in[`PSTRAP_UARTM_CFG] = 1'b0; // uart master config control - constant value based on system clock selection |
| assign strap_in[`PSTRAP_QSPI_SRAM] = 1'b1; // QSPI SRAM Mode Selection - Quad |
| assign strap_in[`PSTRAP_QSPI_FLASH] = 2'b10; // QSPI Fash Mode Selection - Quad |
| assign strap_in[`PSTRAP_RISCV_RESET_MODE] = 1'b1; // Riscv Reset control - Removed Riscv on Power On Reset |
| assign strap_in[`PSTRAP_RISCV_CACHE_BYPASS] = 1'b0; // Riscv Cache Bypass: 0 - Cache Enable |
| assign strap_in[`PSTRAP_RISCV_SRAM_CLK_EDGE] = 1'b0; // Riscv SRAM clock edge selection: 0 - Normal |
| assign strap_in[`PSTRAP_CLK_SKEW] = 2'b00; // Skew selection 2'b00 - Default value |
| |
| assign strap_in[`PSTRAP_DEFAULT_VALUE] = 1'b0; // 0 - Normal |
| ***/ |
| |
| initial |
| begin |
| // Run in Fast Sim Mode |
| `ifdef GL |
| force u_top.mprj.u_wb_host.u_reg._8654_.Q= 1'b1; |
| `else |
| force u_top.mprj.u_wb_host.u_reg.u_fastsim_buf.X = 1'b1; |
| `endif |
| |
| end |
| task init; |
| begin |
| //#1 - Apply Reset |
| #1000 RSTB = 1; |
| repeat (10) @(posedge clock); |
| #1000 RSTB = 0; |
| |
| //#3 - Remove Reset |
| #1000 RSTB = 1; |
| repeat (10) @(posedge clock); |
| //#4 - Wait for Power on reset removal |
| wait(u_top.mprj.p_reset_n == 1); |
| |
| // #5 - Wait for system reset removal |
| wait(u_top.mprj.s_reset_n == 1); // Wait for system reset removal |
| repeat (10) @(posedge clock); |
| |
| /**** |
| //#2 - Apply Strap |
| strap_in[`PSTRAP_CLK_SRC] = 2'b00; // System Clock Source wbs/riscv: User clock1 |
| strap_in[`PSTRAP_CLK_DIV] = 2'b00; // Clock Division for wbs/riscv : 0 Div |
| strap_in[`PSTRAP_UARTM_CFG] = 1'b0; // uart master config control - constant value based on system clock selection |
| strap_in[`PSTRAP_QSPI_SRAM] = 1'b1; // QSPI SRAM Mode Selection - Quad |
| strap_in[`PSTRAP_QSPI_FLASH] = 2'b10; // QSPI Fash Mode Selection - Quad |
| strap_in[`PSTRAP_RISCV_RESET_MODE] = 1'b1; // Riscv Reset control - Removed Riscv on Power On Reset |
| strap_in[`PSTRAP_RISCV_CACHE_BYPASS] = 1'b0; // Riscv Cache Bypass: 0 - Cache Enable |
| strap_in[`PSTRAP_RISCV_SRAM_CLK_EDGE] = 1'b0; // Riscv SRAM clock edge selection: 0 - Normal |
| strap_in[`PSTRAP_CLK_SKEW] = 2'b00; // Skew selection 2'b00 - Default value |
| |
| strap_in[`PSTRAP_DEFAULT_VALUE] = 1'b0; // 0 - Normal |
| |
| force u_top.io_in[36:29] = strap_in[15:8]; |
| force u_top.io_in[20:13] = strap_in[7:0]; |
| repeat (10) @(posedge clock); |
| |
| //#3 - Remove Reset |
| wb_rst_i = 0; // Remove Reset |
| repeat (10) @(posedge clock); |
| //#4 - Wait for Power on reset removal |
| wait(u_top.p_reset_n == 1); |
| |
| // #5 - Release the Strap |
| release u_top.io_in[36:29]; |
| release u_top.io_in[20:13]; |
| |
| // #6 - Wait for system reset removal |
| wait(u_top.s_reset_n == 1); // Wait for system reset removal |
| repeat (10) @(posedge clock); |
| |
| ***/ |
| end |
| endtask |
| |
| task apply_strap; |
| input [15:0] strap; |
| begin |
| |
| repeat (10) @(posedge clock); |
| //#1 - Apply Reset |
| RSTB = 0; |
| //#2 - Apply Strap |
| force u_top.mprj_io[36:29] = strap[15:8]; |
| force u_top.mprj_io[20:13] = strap[7:0]; |
| repeat (10) @(posedge clock); |
| |
| //#3 - Remove Reset |
| RSTB = 1; // Remove Reset |
| |
| //#4 - Wait for Power on reset removal |
| wait(u_top.mprj.p_reset_n == 1); |
| |
| // #5 - Release the Strap |
| release u_top.mprj_io[36:29]; |
| release u_top.mprj_io[20:13]; |
| |
| // #6 - Wait for system reset removal |
| wait(u_top.mprj.s_reset_n == 1); // Wait for system reset removal |
| repeat (10) @(posedge clock); |
| |
| end |
| endtask |
| |
| //--------------------------------------------------------- |
| // Create Pull Up/Down Based on Reset Strap Parameter |
| //--------------------------------------------------------- |
| |
| genvar gCnt; |
| generate |
| for(gCnt=0; gCnt<16; gCnt++) begin : g_strap |
| if(gCnt < 8) begin |
| if(PAD_STRAP[gCnt]) begin |
| pullup(mprj_io[13+gCnt]); |
| end else begin |
| pulldown(mprj_io[13+gCnt]); |
| end |
| end else begin |
| if(PAD_STRAP[gCnt]) begin |
| pullup(mprj_io[29+gCnt-8]); |
| end else begin |
| pulldown(mprj_io[29+gCnt-8]); |
| end |
| end |
| end |
| |
| `ifdef RISC_BOOT // RISCV Based Test case |
| //------------------------------------------- |
| task wait_riscv_boot; |
| begin |
| // GLBL_CFG_MAIL_BOX used as mail box, each core update boot up handshake at 8 bit |
| // bit[7:0] - core-0 |
| // bit[15:8] - core-1 |
| // bit[23:16] - core-2 |
| // bit[31:24] - core-3 |
| $display("Status: Waiting for RISCV Core Boot ... "); |
| |
| wait(u_top.mprj.u_pinmux.u_glbl_reg.reg_15 == 8'h1); |
| $display("Status: RISCV Core is Booted "); |
| |
| end |
| endtask |
| |
| `endif |
| |
| |
| endgenerate |
| |