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Added an initialization loop to the SPI flash emulation module #133

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Added an initialization loop to the SPI flash emulation module #133

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7 changes: 7 additions & 0 deletions verilog/dv/vip/spiflash.v
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,14 @@ module spiflash #(
// 16 MB (128Mb) Flash
reg [7:0] memory [0:16*1024*1024-1];

integer i;

initial begin
// Initialize memory or else prefetch past the end of the
// loaded program can cause undefined values to propagate.
for (i=0; i < 16*1024*1024; i=i+1)
memory[i] = 0;

$display("Reading %s", FILENAME);
$readmemh(FILENAME, memory);
//$display("Memory 5 bytes = 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x",
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