forked from M-Labs/artiq
firmware/serwb: automatically adjust prbs test delay to prbs test cycles, increase prbs test cycles
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19e5280824
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@ -43,16 +43,19 @@ pub fn wait_init() {
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info!("done.");
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unsafe {
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let prbs_test_cycles : u32 = 1<<22;
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let prbs_test_us : u64 = ((prbs_test_cycles as u64)*40)/125; // 40 bits @125MHz linerate
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info!("RTM to AMC Link test");
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csr::serwb_phy_amc::control_prbs_cycles_write(1<<20);
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csr::serwb_phy_amc::control_prbs_cycles_write(prbs_test_cycles);
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csr::serwb_phy_amc::control_prbs_start_write(1);
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clock::spin_us(1000000);
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clock::spin_us(prbs_test_us*110/100); // PRBS test time + 10%
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info!("{} errors", csr::serwb_phy_amc::control_prbs_errors_read());
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info!("AMC to RTM Link test");
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csr::serwb_phy_rtm::control_prbs_cycles_write(1<<20);
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csr::serwb_phy_rtm::control_prbs_cycles_write(prbs_test_cycles);
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csr::serwb_phy_rtm::control_prbs_start_write(1);
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clock::spin_us(1000000);
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clock::spin_us(prbs_test_us*110/100); // PRBS test time + 10%
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info!("{} errors", csr::serwb_phy_rtm::control_prbs_errors_read());
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}
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