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sdmmc: skeleton implementation of Sdmmc1Controller

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This commit is contained in:
Michael Scire
2020-10-20 23:51:48 -07:00
parent 53957bb5c7
commit bd9b01e405
11 changed files with 581 additions and 9 deletions
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212
libraries/libvapours/source/sdmmc/impl/sdmmc_sdmmc_controller.board.nintendo_nx.hpp
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@@ -203,6 +203,216 @@ namespace ams::sdmmc::impl {
}
};
constexpr inline dd::PhysicalAddress Sdmmc1RegistersPhysicalAddress = UINT64_C(0x700B0000);
class Sdmmc1Controller : public SdmmcController {
private:
#if defined(AMS_SDMMC_USE_OS_EVENTS)
static constinit inline os::InterruptEventType s_interrupt_event{};
#endif
private:
#if defined(AMS_SDMMC_USE_PCV_CLOCK_RESET_CONTROL)
/* TODO: pinmux::PinmuxSession pinmux_session; */
#endif
BusPower current_bus_power;
#if defined(AMS_SDMMC_USE_PCV_CLOCK_RESET_CONTROL)
bool is_pcv_control;
#endif
private:
Result PowerOnForRegisterControl(BusPower bus_power);
void PowerOffForRegisterControl();
Result LowerBusPowerForRegisterControl();
void SetSchmittTriggerForRegisterControl(BusPower bus_power);
#if defined(AMS_SDMMC_USE_PCV_CLOCK_RESET_CONTROL)
Result PowerOnForPcvControl(BusPower bus_power);
void PowerOffForPcvControl();
Result LowerBusPowerForPcvControl();
void SetSchmittTriggerForPcvControl(BusPower bus_power);
#endif
protected:
virtual void SetPad() override {
/* Nothing is needed here. */
}
virtual ClockResetController::Module GetClockResetModule() const override {
return ClockResetController::Module_Sdmmc1;
}
#if defined(AMS_SDMMC_USE_OS_EVENTS)
virtual int GetInterruptNumber() const override {
return 46;
}
virtual os::InterruptEventType *GetInterruptEvent() const override {
return std::addressof(s_interrupt_event);
}
#endif
virtual bool IsNeedPeriodicDriveStrengthCalibration() override {
return !IsSocMariko();
}
virtual void ClearPadParked() override {
/* Nothing is needed here. */
}
virtual Result PowerOn(BusPower bus_power) override;
virtual void PowerOff() override;
virtual Result LowerBusPower() override;
virtual void SetSchmittTrigger(BusPower bus_power) override;
virtual u8 GetOutboundTapValue() const override {
if (IsSocMariko()) {
return 0xE;
} else {
return 0x2;
}
}
virtual u8 GetDefaultInboundTapValue() const override {
if (IsSocMariko()) {
return 0xB;
} else {
return 0x4;
}
}
virtual u8 GetVrefSelValue() const override {
if (IsSocMariko()) {
return 0x0;
} else {
return 0x7;
}
}
virtual void SetSlewCodes() override {
if (IsSocMariko()) {
/* Do nothing. */
} else {
/* Ensure that we can control registers. */
SdHostStandardController::EnsureControl();
/* Get the apb registers address. */
const uintptr_t apb_address = dd::QueryIoMapping(ApbMiscRegistersPhysicalAddress, ApbMiscRegistersSize);
/* Write the slew values to APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL. */
reg::ReadWrite(apb_address + APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL, APB_MISC_REG_BITS_VALUE(GP_SDMMC1_PAD_CFGPADCTRL_CFG2TMC_SDMMC1_CLK_CFG_CAL_DRVDN_SLWR, 0x1),
APB_MISC_REG_BITS_VALUE(GP_SDMMC1_PAD_CFGPADCTRL_CFG2TMC_SDMMC1_CLK_CFG_CAL_DRVDN_SLWF, 0x1));
/* Read to be sure our config takes. */
reg::Read(apb_address + APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL);
}
}
virtual void GetAutoCalOffsets(u8 *out_auto_cal_pd_offset, u8 *out_auto_cal_pu_offset, BusPower bus_power) const override {
/* Ensure that we can write the offsets. */
AMS_ABORT_UNLESS(out_auto_cal_pd_offset != nullptr);
AMS_ABORT_UNLESS(out_auto_cal_pu_offset != nullptr);
/* Set the offsets. */
if (IsSocMariko()) {
switch (bus_power) {
case BusPower_1_8V:
*out_auto_cal_pd_offset = 6;
*out_auto_cal_pu_offset = 6;
break;
case BusPower_3_3V:
*out_auto_cal_pd_offset = 0;
*out_auto_cal_pu_offset = 0;
break;
case BusPower_Off:
AMS_UNREACHABLE_DEFAULT_CASE();
}
} else {
switch (bus_power) {
case BusPower_1_8V:
*out_auto_cal_pd_offset = 0x7B;
*out_auto_cal_pu_offset = 0x7B;
break;
case BusPower_3_3V:
*out_auto_cal_pd_offset = 0x7D;
*out_auto_cal_pu_offset = 0;
break;
case BusPower_Off:
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
}
virtual void SetDriveStrengthToDefaultValues(BusPower bus_power) override {
/* Ensure that we can control registers. */
SdHostStandardController::EnsureControl();
/* Get the apb registers address. */
const uintptr_t apb_address = dd::QueryIoMapping(ApbMiscRegistersPhysicalAddress, ApbMiscRegistersSize);
/* Determine the drive code values. */
u8 drvdn, drvup;
if (IsSocMariko()) {
drvdn = 0x8;
drvup = 0x8;
} else {
switch (bus_power) {
case BusPower_1_8V:
drvdn = 0xF;
drvup = 0xB;
break;
case BusPower_3_3V:
drvdn = 0xC;
drvup = 0xC;
break;
case BusPower_Off:
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
/* Write the drv up/down values to APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL. */
reg::ReadWrite(apb_address + APB_MISC_GP_SDMMC1_PAD_CFGPADCTRL, APB_MISC_REG_BITS_VALUE(GP_SDMMC1_PAD_CFGPADCTRL_CFG2TMC_SDMMC1_PAD_CAL_DRVDN, drvdn),
APB_MISC_REG_BITS_VALUE(GP_SDMMC1_PAD_CFGPADCTRL_CFG2TMC_SDMMC1_PAD_CAL_DRVUP, drvup));
/* Read to be sure our config takes. */
reg::Read(apb_address + APB_MISC_GP_EMMC4_PAD_CFGPADCTRL);
}
public:
Sdmmc1Controller() : SdmmcController(Sdmmc1RegistersPhysicalAddress) {
this->current_bus_power = BusPower_Off;
#if defined(AMS_SDMMC_USE_PCV_CLOCK_RESET_CONTROL)
this->is_pcv_control = false;
#endif
}
virtual void Initialize() override;
virtual void Finalize() override;
void InitializeForRegisterControl();
void FinalizeForRegisterControl();
#if defined(AMS_SDMMC_USE_PCV_CLOCK_RESET_CONTROL)
void InitializeForPcvControl();
void FinalizeForPcvControl();
#endif
virtual bool IsSupportedBusPower(BusPower bus_power) const override {
switch (bus_power) {
case BusPower_Off: return true;
case BusPower_1_8V: return true;
case BusPower_3_3V: return true;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
virtual bool IsSupportedBusWidth(BusWidth bus_width) const override {
switch (bus_width) {
case BusWidth_1Bit: return true;
case BusWidth_4Bit: return true;
case BusWidth_8Bit: return false;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
};
class Sdmmc2And4Controller : public SdmmcController {
protected:
virtual bool IsNeedPeriodicDriveStrengthCalibration() override {
@@ -330,7 +540,7 @@ namespace ams::sdmmc::impl {
}
virtual void SetDriveStrengthToDefaultValues(BusPower bus_power) override {
/* SDMMC4 only supports 1.8v. */
/* SDMMC2 only supports 1.8v. */
AMS_ABORT_UNLESS(bus_power == BusPower_1_8V);
/* Ensure that we can control registers. */