mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-05-15 15:44:23 -04:00
Code Issues Projects Releases Packages Wiki Activity

exo: implement mariko fuse driver

Browse source
This commit is contained in:
Michael Scire 2020-06-29 04:40:59 -07:00
parent 2a5d1572e1
commit e16b87c843
2 changed files with 395 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

86
libraries/libexosphere/source/fuse/fuse_api.cpp
View file

@ -20,6 +20,10 @@ namespace ams::fuse {
namespace {
static constexpr SocType SocType_CommonInternal = static_cast<SocType>(-1);
static_assert(SocType_CommonInternal != SocType_Erista);
static_assert(SocType_CommonInternal != SocType_Mariko);
struct BypassEntry {
u32 offset;
u32 value;
@ -42,6 +46,11 @@ namespace ams::fuse {
using HardwareType3 = util::BitPack32::Field<Reserved::Next, 4, int>;
};
struct OdmWord28 {
using Regulator = util::BitPack32::Field<0, 1, int>;
using Reserved = util::BitPack32::Field<1, 31, int>;
};
constexpr ALWAYS_INLINE int GetHardwareStateValue(const util::BitPack32 odm_word4) {
constexpr auto HardwareState1Shift = 0;
constexpr auto HardwareState2Shift = OdmWord4::HardwareState1::Count + HardwareState1Shift;
@ -73,8 +82,16 @@ namespace ams::fuse {
return GetRegisterRegion()->fuse;
}
ALWAYS_INLINE volatile FuseChipRegisters &GetChipRegisters() {
return GetRegisterRegion()->chip;
ALWAYS_INLINE volatile FuseChipRegistersCommon &GetChipRegistersCommon() {
return GetRegisterRegion()->chip_common;
}
ALWAYS_INLINE volatile FuseChipRegistersErista &GetChipRegistersErista() {
return GetRegisterRegion()->chip_erista;
}
ALWAYS_INLINE volatile FuseChipRegistersMariko &GetChipRegistersMariko() {
return GetRegisterRegion()->chip_mariko;
}
bool IsIdle() {
@ -85,6 +102,31 @@ namespace ams::fuse {
while (!IsIdle()) { /* ... */ }
}
u32 GetOdmWordImpl(int index, fuse::SocType soc_type) {
if (index < 8) {
volatile auto &chip = GetChipRegistersCommon();
return chip.FUSE_RESERVED_ODM_0[index - 0];
} else if (soc_type == SocType_Mariko) {
volatile auto &chip = GetChipRegistersMariko();
if (index < 22) {
return chip.FUSE_RESERVED_ODM_8[index - 8];
} else if (index < 25) {
return chip.FUSE_RESERVED_ODM_22[index - 22];
} else if (index < 26) {
return chip.FUSE_RESERVED_ODM_25[index - 25];
} else if (index < 29) {
return chip.FUSE_RESERVED_ODM_26[index - 26];
} else if (index < 30) {
return chip.FUSE_RESERVED_ODM_29[index - 29];
}
}
AMS_ABORT("Invalid ODM fuse read");
}
u32 GetCommonOdmWord(int index) {
return GetOdmWordImpl(index, SocType_CommonInternal);
}
bool IsNewFuseFormat() {
/* On mariko, this should always be true. */
if (GetSocType() != SocType_Erista) {
@ -92,7 +134,7 @@ namespace ams::fuse {
}
/* Require that the format version be non-zero in odm4. */
if (util::BitPack32{GetOdmWord(4)}.Get<OdmWord4::FormatVersion>() == 0) {
if (util::BitPack32{GetCommonOdmWord(4)}.Get<OdmWord4::FormatVersion>() == 0) {
return false;
}
@ -100,8 +142,8 @@ namespace ams::fuse {
constexpr u32 NewFuseFormatMagic0 = 0x8E61ECAE;
constexpr u32 NewFuseFormatMagic1 = 0xF2BA3BB2;
const u32 w0 = GetOdmWord(0);
const u32 w1 = GetOdmWord(1);
const u32 w0 = GetCommonOdmWord(0);
const u32 w1 = GetCommonOdmWord(1);
return w0 == NewFuseFormatMagic0 && w1 == NewFuseFormatMagic1;
}
@ -206,12 +248,12 @@ namespace ams::fuse {
}
u32 GetOdmWord(int index) {
return GetChipRegisters().FUSE_RESERVED_ODM[index];
return GetOdmWordImpl(index, GetSocType());
}
void GetEcid(br::BootEcid *out) {
/* Get the registers. */
volatile auto &chip = GetChipRegisters();
volatile auto &chip = GetChipRegistersCommon();
/* Read the ecid components. */
const u32 vendor = reg::Read(chip.FUSE_OPT_VENDOR_CODE) & ((1u << 4) - 1);
@ -235,7 +277,7 @@ namespace ams::fuse {
u64 GetDeviceId() {
/* Get the registers. */
volatile auto &chip = GetChipRegisters();
volatile auto &chip = GetChipRegistersCommon();
/* Read the device id components. */
/* NOTE: Device ID is "basically" just an alternate encoding of Ecid. */
@ -258,12 +300,12 @@ namespace ams::fuse {
}
DramId GetDramId() {
return static_cast<DramId>(util::BitPack32{GetOdmWord(4)}.Get<OdmWord4::DramId>());
return static_cast<DramId>(util::BitPack32{GetCommonOdmWord(4)}.Get<OdmWord4::DramId>());
}
HardwareType GetHardwareType() {
/* Read the odm word. */
const util::BitPack32 odm_word4 = { GetOdmWord(4) };
const util::BitPack32 odm_word4 = { GetCommonOdmWord(4) };
/* Get the value. */
const auto value = GetHardwareTypeValue(odm_word4);
@ -280,7 +322,7 @@ namespace ams::fuse {
HardwareState GetHardwareState() {
/* Read the odm word. */
const util::BitPack32 odm_word4 = { GetOdmWord(4) };
const util::BitPack32 odm_word4 = { GetCommonOdmWord(4) };
/* Get the value. */
const auto value = GetHardwareStateValue(odm_word4);
@ -293,22 +335,28 @@ namespace ams::fuse {
}
PatchVersion GetPatchVersion() {
const auto patch_version = reg::Read(GetChipRegisters().FUSE_SOC_SPEEDO_1_CALIB);
const auto patch_version = reg::Read(GetChipRegistersCommon().FUSE_SOC_SPEEDO_1_CALIB);
return static_cast<PatchVersion>(static_cast<int>(GetSocType() << 12) | patch_version);
}
QuestState GetQuestState() {
return static_cast<QuestState>(util::BitPack32{GetOdmWord(4)}.Get<OdmWord4::QuestState>());
return static_cast<QuestState>(util::BitPack32{GetCommonOdmWord(4)}.Get<OdmWord4::QuestState>());
}
pmic::Regulator GetRegulator() {
/* TODO: How should mariko be handled? This reads from ODM word 28 in fuses (not present in erista...). */
return pmic::Regulator_Erista_Max77621;
if (GetSocType() == SocType_Mariko) {
/* Read the odm word. */
const util::BitPack32 odm_word28 = { GetOdmWordImpl(28, SocType_Mariko) };
return static_cast<pmic::Regulator>(odm_word28.Get<OdmWord28::Regulator>() + 1);
} else /* if (GetSocType() == SocType_Erista) */ {
return pmic::Regulator_Erista_Max77621;
}
}
int GetDeviceUniqueKeyGeneration() {
if (IsNewFuseFormat()) {
return util::BitPack32{GetOdmWord(2)}.Get<OdmWord2::DeviceUniqueKeyGeneration>();
return util::BitPack32{GetCommonOdmWord(2)}.Get<OdmWord2::DeviceUniqueKeyGeneration>();
} else {
return 0;
}
@ -344,13 +392,13 @@ namespace ams::fuse {
}
/* Some patched units use XUSB in RCM. */
if (reg::Read(GetChipRegisters().FUSE_RESERVED_SW) & 0x80) {
if (reg::Read(GetChipRegistersCommon().FUSE_RESERVED_SW) & 0x80) {
g_has_rcm_bug_patch = true;
break;
}
/* Other units have a proper ipatch instead. */
u32 word_count = reg::Read(GetChipRegisters().FUSE_FIRST_BOOTROM_PATCH_SIZE) & 0x7F;
u32 word_count = reg::Read(GetChipRegistersCommon().FUSE_FIRST_BOOTROM_PATCH_SIZE) & 0x7F;
u32 word_addr = 191;
while (word_count && !g_has_rcm_bug_patch) {
@ -379,7 +427,7 @@ namespace ams::fuse {
}
bool IsOdmProductionMode() {
return reg::HasValue(GetChipRegisters().FUSE_SECURITY_MODE, FUSE_REG_BITS_ENUM(SECURITY_MODE_SECURITY_MODE, ENABLED));
return reg::HasValue(GetChipRegistersCommon().FUSE_SECURITY_MODE, FUSE_REG_BITS_ENUM(SECURITY_MODE_SECURITY_MODE, ENABLED));
}
void ConfigureFuseBypass() {