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fusee_cpp: implement SDRAM initialization

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This commit is contained in:
Michael Scire 2021-08-22 02:32:05 -07:00 • committed by SciresM
parent f2a1c60218
commit 349a16ce39
59 changed files with 4088 additions and 17 deletions
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12
libraries/libexosphere/source/pmic/pmic_api.cpp
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@ -35,6 +35,8 @@ namespace ams::pmic {
constexpr inline int Max77620RegisterCnfgBbc = 0x04;
constexpr inline int Max77620RegisterOnOffStat = 0x15;
constexpr inline int Max77620RegisterSd0 = 0x16;
constexpr inline int Max77620RegisterSd1 = 0x17;
constexpr inline int Max77620RegisterCnfg2Sd = 0x22;
constexpr inline int Max77620RegisterCnfg1Ldo8 = 0x33;
constexpr inline int Max77620RegisterGpio0 = 0x36;
constexpr inline int Max77620RegisterAmeGpio = 0x40;
@ -276,4 +278,14 @@ namespace ams::pmic {
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfg1Ldo8, 0xE8);
}
void EnableVddMemory(fuse::SocType soc_type) {
/* Disable remote sense for Sd1. */
i2c::SendByte(i2c::Port_5, I2cAddressMax77620Pmic, Max77620RegisterCnfg2Sd, 0x05);
/* On Erista, set Sd1 voltage. */
if (soc_type == fuse::SocType_Erista) {
SetVoltage(Max77620RegisterSd1, 1100);
}
}
}