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[RAM@2131.2MHz] Add DRAM timing adjusment, 2131.2 MHz should work for all ram chips and achieves higher bandwidth;

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[Fix] Revert to permanent RAM clock (ptm-patch);
No longer actively maintained next year.
This commit is contained in:
KazushiM
2021-12-05 21:01:49 +08:00
parent c66c836ae3
commit 46c0cb88c3
26 changed files with 67 additions and 82 deletions
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58
Source/Atmosphere/stratosphere/loader/source/ldr_patcher.cpp
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@@ -15,7 +15,7 @@
*/
#include <stratosphere.hpp>
#include "ldr_patcher.hpp"
//#define ADJUST_TIMING
#define ADJUST_TIMING
namespace ams::ldr {
@@ -68,10 +68,11 @@ namespace ams::ldr {
}
u32 GetEmcClock() {
// RAM freqs to choose: 1600000, 1728000, 1795200, 1862400, 1894400, 1932800, 1996800, 2064000, 2099200, 2131200
// RAM overclock could be UNSTABLE on some RAM without bumping up voltage,
// and therefore show graphical glitches, hang randomly or even worse, corrupt your NAND
return 1862400;
// RAM freqs from Hekate:
// 1600000, 1728000, 1795200, 1862400, 1894400, 1932800, 1996800, 2064000, 2099200, 2131200
// Other values might work as well
// RAM overclock could be UNSTABLE and generate graphical glitches / instabilities / NAND corruption
return 2131200;
}
u32 GetCpuBoostClock() {
@@ -185,8 +186,8 @@ namespace ams::ldr {
}
#ifdef ADJUST_TIMING
/* Adjust timing parameters in 1600MHz mtc tables */
u32 param_1331, param_1600;
#define ADJUST_PROPORTIONAL(TARGET_TABLE, REF_TABLE, PARAM) \
param_1331 = REF_TABLE->PARAM; \
param_1600 = TARGET_TABLE->PARAM; \
@@ -207,10 +208,10 @@ namespace ams::ldr {
divn = divn * 2 + 1;
}
if (i == 2) {
for (u32 j = 0; j < sizeof(pcv::MtcTable_1600)/sizeof(u32); j++) {
pcv::MarikoMtcTable* mtc_table_1600 = reinterpret_cast<pcv::MarikoMtcTable *>(mapped_nso + pcv::MtcTable_1600[j]);
pcv::MarikoMtcTable* mtc_table_1331 = reinterpret_cast<pcv::MarikoMtcTable *>(mapped_nso + pcv::MtcTable_1600[j] - pcv::MtcTableOffset);
if (i >= 2) {
for (u32 j = 0; j < sizeof(pcv::MtcTable_1600[i-2])/sizeof(u32); j++) {
pcv::MarikoMtcTable* mtc_table_1600 = reinterpret_cast<pcv::MarikoMtcTable *>(mapped_nso + pcv::MtcTable_1600[i-2][j]);
pcv::MarikoMtcTable* mtc_table_1331 = reinterpret_cast<pcv::MarikoMtcTable *>(mapped_nso + pcv::MtcTable_1600[i-2][j] - pcv::MtcTableOffset);
/* Patch parameters that seem like timings */
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rc);
@@ -228,27 +229,17 @@ namespace ams::ldr {
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rd_rcd);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_wr_rcd);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rrd);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_wdv);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_wsv);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_wev);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_wdv_mask); //?
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_quse);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_quse_width);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_einput);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_einput_duration);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_qsafe);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rdv);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rdv_mask); //?
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rdv_early);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rdv_early_mask); //?
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_refresh);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pre_refresh_req_cnt);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pdex2wr);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pdex2rd);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_act2pden);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_rw2pden);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_cke2pden);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pdex2mrr);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_txsr);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_txsrdll);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tcke);
@@ -258,15 +249,11 @@ namespace ams::ldr {
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_trpab);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tclkstop);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_trefbw);
//ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pmacro_ddll_long_cmd_4); //?
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_pmacro_dll_cfg_2);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_qpop);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tr_rdv);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tr_qpop);
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tr_rdv_mask); //?
ADJUST_PROP_WITHIN_ALL_REG(mtc_table_1600, mtc_table_1331, emc_tr_qsafe);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, dram_timings.rl);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_rcd);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_rp);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_rc);
@@ -276,7 +263,10 @@ namespace ams::ldr {
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_r2w);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_w2r);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, burst_mc_regs.mc_emem_arb_timing_rfcpb);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, la_scale_regs.mc_mll_mpcorer_ptsa_rate);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, la_scale_regs.mc_ptsa_grant_decrement);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, min_mrs_wait);
ADJUST_PROPORTIONAL(mtc_table_1600, mtc_table_1331, latency);
@@ -289,16 +279,16 @@ namespace ams::ldr {
}
}
// u32 PtmEmcClock = GetEmcClock() * 1000;
u32 PtmEmcClock = GetEmcClock() * 1000;
u32 CpuBoostClock = GetCpuBoostClock() * 1000;
for (u32 i = 0; i < sizeof(PtmModuleId)/sizeof(ro::ModuleId); i++) {
if (std::memcmp(std::addressof(PtmModuleId[i]), std::addressof(module_id), sizeof(module_id)) == 0) {
// for (u32 j = 0; j < 16; j++) {
// std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::OffsetInterval * j), &PtmEmcClock, sizeof(PtmEmcClock));
// std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::OffsetInterval * j + 0x4), &PtmEmcClock, sizeof(PtmEmcClock));
// }
for (u32 j = 0; j < 16; j++) {
std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::OffsetInterval * j), &PtmEmcClock, sizeof(PtmEmcClock));
std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::OffsetInterval * j + 0x4), &PtmEmcClock, sizeof(PtmEmcClock));
}
for (u32 j = 0; j < 2; j++) {
std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::CpuBoostOffset + ptm::OffsetInterval * j), &CpuBoostClock, sizeof(CpuBoostClock));
std::memcpy(reinterpret_cast<void *>(mapped_nso + ptm::EmcOffsetStart[i] + ptm::CpuBoostOffset + ptm::OffsetInterval * j + 0x4), &CpuBoostClock, sizeof(CpuBoostClock));