OmniNX/Horizon-OC-pro
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improved dram timings

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souldbminersmwc committed 2026-07-28 19:01:47 -04:00
1 parent da7f922782
commit 770a544b8f
2 files changed
+10 -7
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Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/calculate_timings_mariko.cpp
+2 -2
View File
@@ -151,7 +151,7 @@ namespace ams::ldr::hoc::pcv::mariko {
u32 tREFI = lowFreq ? C.low_t8_tREFI : C.t8_tREFI;
refresh_raw = 0xFFFF;
if (tREFI != 6) {
refresh_raw = CEIL(tREFpb_values[tREFI] / tCK_avg) - 0x40;
refresh_raw = ROUND(tREFpb_values[tREFI] / tCK_avg) - 0x40;
refresh_raw = MIN(refresh_raw, static_cast<u32>(0xFFFF));
}
@@ -172,7 +172,7 @@ namespace ams::ldr::hoc::pcv::mariko {
quse = FLOOR(RL + ((5.082 / tCK_avg) + FLOOR(2.560 / tCK_avg))) - CEIL(4.820 / tCK_avg);
einput_duration = FLOOR(9.936 / tCK_avg) + 5.0 + quse_width;
einput = quse - CEIL(9.928 / tCK_avg);
u32 qrst_duration = FLOOR(8.399 - tCK_avg);
u32 qrst_duration = FLOOR(1.375 / tCK_avg + 4.555);
u32 qrstLow = MAX(static_cast<s32>(einput - qrst_duration - 2), static_cast<s32>(0));
qrst = PACK_U32(qrst_duration, qrstLow);
ibdly = PACK_U32_NIBBLE_HIGH_BYTE_LOW(1, quse - qrst_duration - 2.0);
Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko_mtc.cpp
+8 -5
View File
@@ -63,20 +63,23 @@ namespace ams::ldr::hoc::pcv::mariko {
CalculateTimings(tCK_avg, table->rate_khz);
const u32 ras_cyc = MIN(GET_CYCLE_CEIL(tRAS), static_cast<u32>(0x7F));
const u32 rp_cyc = GET_CYCLE_CEIL(tRPpb);
WRITE_PARAM_ALL_REG(table, emc_rd_rcd, GET_CYCLE_CEIL(tRCD));
WRITE_PARAM_ALL_REG(table, emc_wr_rcd, GET_CYCLE_CEIL(tRCD));
WRITE_PARAM_ALL_REG(table, emc_rc, MIN(GET_CYCLE_CEIL(tRC), static_cast<u32>(0xB9)));
WRITE_PARAM_ALL_REG(table, emc_ras, MIN(GET_CYCLE_CEIL(tRAS), static_cast<u32>(0x7F)));
WRITE_PARAM_ALL_REG(table, emc_rc, MIN(GET_CYCLE_CEIL(tRC), ras_cyc + rp_cyc));
WRITE_PARAM_ALL_REG(table, emc_ras, ras_cyc);
WRITE_PARAM_ALL_REG(table, emc_rrd, GET_CYCLE_CEIL(tRRD));
WRITE_PARAM_ALL_REG(table, emc_rfcpb, GET_CYCLE_CEIL(tRFCpb));
WRITE_PARAM_ALL_REG(table, emc_rfc, GET_CYCLE_CEIL(tRFCab));
WRITE_PARAM_ALL_REG(table, emc_rp, GET_CYCLE_CEIL(tRPpb));
WRITE_PARAM_ALL_REG(table, emc_rp, rp_cyc);
WRITE_PARAM_ALL_REG(table, emc_txsr, MIN(GET_CYCLE_CEIL(tXSR), static_cast<u32>(0x3fe)));
WRITE_PARAM_ALL_REG(table, emc_txsrdll, MIN(GET_CYCLE_CEIL(tXSR), static_cast<u32>(0x3fe)));
WRITE_PARAM_ALL_REG(table, emc_tfaw, GET_CYCLE_CEIL(tFAW));
WRITE_PARAM_ALL_REG(table, emc_trpab, MIN(GET_CYCLE_CEIL(tRPab), static_cast<u32>(0x3F)));
WRITE_PARAM_ALL_REG(table, emc_tckesr, GET_CYCLE_CEIL(tSR));
WRITE_PARAM_ALL_REG(table, emc_tcke, GET_CYCLE_CEIL(7.425) + 2);
WRITE_PARAM_ALL_REG(table, emc_tcke, GET_CYCLE_CEIL(tXP) + 2);
WRITE_PARAM_ALL_REG(table, emc_tpd, GET_CYCLE_CEIL(tXP));
WRITE_PARAM_ALL_REG(table, emc_tclkstop, tCLKSTOP);
WRITE_PARAM_ALL_REG(table, emc_r2p, tR2P);
@@ -97,7 +100,7 @@ namespace ams::ldr::hoc::pcv::mariko {
WRITE_PARAM_ALL_REG(table, emc_pdex2rd, pdex2rw);
WRITE_PARAM_ALL_REG(table, emc_pchg2pden, GET_CYCLE_CEIL(1.763));
WRITE_PARAM_ALL_REG(table, emc_ar2pden, GET_CYCLE_CEIL(1.75));
WRITE_PARAM_ALL_REG(table, emc_pdex2cke, GET_CYCLE_CEIL(1.05));
WRITE_PARAM_ALL_REG(table, emc_pdex2cke, GET_CYCLE_CEIL(1.75) - 2);
WRITE_PARAM_ALL_REG(table, emc_act2pden, GET_CYCLE_CEIL(14.0));
WRITE_PARAM_ALL_REG(table, emc_cke2pden, GET_CYCLE_CEIL(8.499));
WRITE_PARAM_ALL_REG(table, emc_pdex2mrr, GET_CYCLE_CEIL(pdex2mrr));