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Fix timing lookup for DP8KC

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Miodrag Milanovic 2023-10-02 10:47:59 +02:00 committed by myrtle
parent e4cb7ea337
commit 95e7598cc6
1 changed files with 11 additions and 0 deletions
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11
machxo2/pack.cc
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@ -1742,6 +1742,17 @@ void Arch::assign_arch_info_for_cell(CellInfo *ci)
log_error("DP8KC %s has invalid REGMODE_B configuration '%s'\n", ci->name.c_str(this), regmode_b.c_str());
ci->ramInfo.is_output_a_registered = regmode_a == "OUTREG";
ci->ramInfo.is_output_b_registered = regmode_b == "OUTREG";
// Based on the REGMODE, we have different timing lookup tables.
if (!ci->ramInfo.is_output_a_registered && !ci->ramInfo.is_output_b_registered) {
ci->ramInfo.regmode_timing_id = id_DP8KC_REGMODE_A_NOREG_REGMODE_B_NOREG;
} else if (!ci->ramInfo.is_output_a_registered && ci->ramInfo.is_output_b_registered) {
ci->ramInfo.regmode_timing_id = id_DP8KC_REGMODE_A_NOREG_REGMODE_B_OUTREG;
} else if (ci->ramInfo.is_output_a_registered && !ci->ramInfo.is_output_b_registered) {
ci->ramInfo.regmode_timing_id = id_DP8KC_REGMODE_A_OUTREG_REGMODE_B_NOREG;
} else if (ci->ramInfo.is_output_a_registered && ci->ramInfo.is_output_b_registered) {
ci->ramInfo.regmode_timing_id = id_DP8KC_REGMODE_A_OUTREG_REGMODE_B_OUTREG;
}
}
}