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bpc.mitm/exo: support pmic reboot/shutdown on mariko (thanks @CTCaer)

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This commit is contained in:
Michael Scire 2023-10-11 18:50:38 -07:00 committed by SciresM
parent 71d0274884
commit 2ec3e141c7
7 changed files with 54 additions and 15 deletions
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26
exosphere/program/source/secmon_user_power_management.cpp
View file

@ -70,6 +70,15 @@ namespace ams::secmon {
}
void PerformUserRebootByPmic() {
/* Ensure that i2c-5 is usable for communicating with the pmic. */
clkrst::EnableI2c5Clock();
i2c::Initialize(i2c::Port_5);
/* Reboot. */
pmic::ShutdownSystem(true);
}
void PerformUserRebootToRcm() {
/* Configure the bootrom to boot to rcm. */
reg::Write(PMC + APBDEV_PMC_SCRATCH0, 0x2);
@ -100,11 +109,20 @@ namespace ams::secmon {
}
void PerformUserShutDown() {
/* Load our reboot stub to iram. */
LoadRebootStub(RebootStubAction_ShutDown);
if (fuse::GetSocType() == fuse::SocType_Mariko) {
/* Ensure that i2c-5 is usable for communicating with the pmic. */
clkrst::EnableI2c5Clock();
i2c::Initialize(i2c::Port_5);
/* Reboot. */
PerformPmcReboot();
/* On Mariko shutdown via pmic. */
pmic::ShutdownSystem(false);
} else /* if (fuse::GetSocType() == fuse::SocType_Erista) */ {
/* Load our reboot stub to iram. */
LoadRebootStub(RebootStubAction_ShutDown);
/* Reboot. */
PerformPmcReboot();
}
}
}

2
exosphere/program/source/secmon_user_power_management.hpp
View file

@ -23,11 +23,13 @@ namespace ams::secmon {
UserRebootType_ToRcm = 1,
UserRebootType_ToPayload = 2,
UserRebootType_ToFatalError = 3,
UserRebootType_ByPmic = 4,
};
void PerformUserRebootToRcm();
void PerformUserRebootToPayload();
void PerformUserRebootToFatalError();
void PerformUserRebootByPmic();
void PerformUserShutDown();
}

14
exosphere/program/source/smc/secmon_smc_info.cpp
View file

@ -357,6 +357,9 @@ namespace ams::secmon::smc {
case UserRebootType_ToFatalError:
PerformUserRebootToFatalError();
break;
case UserRebootType_ByPmic:
PerformUserRebootByPmic();
break;
default:
return SmcResult::InvalidArgument;
}
@ -365,18 +368,17 @@ namespace ams::secmon::smc {
case UserRebootType_ToFatalError:
PerformUserRebootToFatalError();
break;
case UserRebootType_ByPmic:
PerformUserRebootByPmic();
break;
default:
return SmcResult::InvalidArgument;
}
}
break;
case ConfigItem::ExosphereNeedsShutdown:
if (soc_type == fuse::SocType_Erista) {
if (args.r[3] != 0) {
PerformUserShutDown();
}
} else /* if (soc_type == fuse::SocType_Mariko) */ {
return SmcResult::NotSupported;
if (args.r[3] != 0) {
PerformUserShutDown();
}
break;
case ConfigItem::ExospherePayloadAddress:

1
libraries/libstratosphere/include/stratosphere/ams/ams_exosphere_api.hpp
View file

@ -25,6 +25,7 @@ namespace ams::exosphere {
void ForceRebootToRcm();
void ForceRebootToIramPayload();
void ForceRebootToFatalError();
void ForceRebootByPmic();
void ForceShutdown();
bool IsRcmBugPatched();

4
libraries/libstratosphere/source/ams/ams_exosphere_api.cpp
View file

@ -39,6 +39,10 @@ namespace ams::exosphere {
R_ABORT_UNLESS(spl::impl::SetConfig(spl::ConfigItem::ExosphereNeedsReboot, 3));
}
void ForceRebootByPmic() {
R_ABORT_UNLESS(spl::impl::SetConfig(spl::ConfigItem::ExosphereNeedsReboot, 4));
}
void ForceShutdown() {
R_ABORT_UNLESS(spl::impl::SetConfig(spl::ConfigItem::ExosphereNeedsShutdown, 1));
}

17
stratosphere/ams_mitm/source/bpc_mitm/bpc_ams_power_utils.cpp
View file

@ -33,6 +33,7 @@ namespace ams::mitm::bpc {
Standard,
ToRcm,
ToPayload,
ByPmic,
};
/* Globals. */
@ -93,6 +94,9 @@ namespace ams::mitm::bpc {
void RebootSystem() {
switch (g_reboot_type) {
case RebootType::ByPmic:
exosphere::ForceRebootByPmic();
break;
case RebootType::ToRcm:
exosphere::ForceRebootToRcm();
break;
@ -113,6 +117,11 @@ namespace ams::mitm::bpc {
}
void SetRebootPayload(const void *payload, size_t payload_size) {
/* Mariko does not support reboot-to-payload. */
if (spl::GetSocType() == spl::SocType_Mariko) {
return;
}
/* Clear payload buffer */
std::memset(g_reboot_payload, 0xCC, sizeof(g_reboot_payload));
@ -131,6 +140,9 @@ namespace ams::mitm::bpc {
}
Result LoadRebootPayload() {
/* Mariko does not support reboot-to-payload. */
R_SUCCEED_IF(spl::GetSocType() == spl::SocType_Mariko)
/* Clear payload buffer */
std::memset(g_reboot_payload, 0xCC, sizeof(g_reboot_payload));
@ -163,6 +175,11 @@ namespace ams::mitm::bpc {
g_reboot_type = RebootType::ToPayload;
}
/* TODO: Should we actually allow control over this on mariko? */
if (spl::GetSocType() == spl::SocType_Mariko) {
g_reboot_type = RebootType::ByPmic;
}
R_SUCCEED();
}

5
stratosphere/ams_mitm/source/bpc_mitm/bpcmitm_module.cpp
View file

@ -67,11 +67,6 @@ namespace ams::mitm::bpc {
/* Wait until initialization is complete. */
mitm::WaitInitialized();
/* On Mariko, we can't reboot to payload/do exosphere-shutdown...so there is no point in bpc.mitm. */
if (spl::GetSocType() == spl::SocType_Mariko) {
return;
}
/* Create bpc mitm. */
const sm::ServiceName service_name = (hos::GetVersion() >= hos::Version_2_0_0) ? MitmServiceName : DeprecatedMitmServiceName;