237   UINTN  I2CBaseAddress;  in I2cDisable()  local
240   I2CBaseAddress = (UINT32) PEI_TEPM_LPSS_I2C0_BAR + I2cControllerIndex * PCI_CONFIG_SPACE_SIZE;  in I2cDisable()
242   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_ENABLE, 0);  in I2cDisable()
243   while (0 != ( I2CLibPeiMmioRead16 (I2CBaseAddress + R_IC_ENABLE_STATUS ) & 1)) {  in I2cDisable()
264   UINTN   I2CBaseAddress;  in I2cEnable()  local
267   I2CBaseAddress = (UINT32) PEI_TEPM_LPSS_I2C0_BAR+ I2cControllerIndex * PCI_CONFIG_SPACE_SIZE;  in I2cEnable()
268   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_ENABLE, 1);  in I2cEnable()
269   while (0 == ( I2CLibPeiMmioRead16 ( I2CBaseAddress + R_IC_ENABLE_STATUS ) & 1)) {  in I2cEnable()
292   IN UINTN   I2CBaseAddress,  in I2cBusFrequencySet()  argument
309   I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_SS_SCL_HCNT, (UINT16)0x214 );  in I2cBusFrequencySet()
310   I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_SS_SCL_LCNT, (UINT16)0x272 );  in I2cBusFrequencySet()
320   I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_FS_SCL_HCNT, (UINT16)0x50 );  in I2cBusFrequencySet()
321   I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_FS_SCL_LCNT, (UINT16)0xAD );  in I2cBusFrequencySet()
325       I2CLibPeiMmioWrite32 ( I2CBaseAddress + R_IC_SDA_HOLD, (UINT16)0x40);//100K  in I2cBusFrequencySet()
329       I2CLibPeiMmioWrite32 ( I2CBaseAddress + R_IC_SDA_HOLD, (UINT16)0x32);//400K  in I2cBusFrequencySet()
333       I2CLibPeiMmioWrite32 ( I2CBaseAddress + R_IC_SDA_HOLD, (UINT16)0x09);//3.4M  in I2cBusFrequencySet()
356   UINTN        I2CBaseAddress;  in I2CInit()  local
369   I2CBaseAddress = I2CLibPeiMmioRead32 (PciMmBase+R_PCH_LPSS_I2C_BAR);  in I2CInit()
380   if(I2CBaseAddress ==  (PEI_TEPM_LPSS_I2C0_BAR + I2cControllerIndex * PCI_CONFIG_SPACE_SIZE)) {  in I2CInit()
385   I2CBaseAddress = (UINT32) (PEI_TEPM_LPSS_I2C0_BAR + I2cControllerIndex * PCI_CONFIG_SPACE_SIZE);  in I2CInit()
386   DEBUG ((EFI_D_ERROR, "I2CBaseAddress = 0x%x \n",I2CBaseAddress));  in I2CInit()
388   while ((1 == ( I2CLibPeiMmioRead32 ( I2CBaseAddress + R_IC_STATUS) & STAT_MST_ACTIVITY ))) {  in I2CInit()
398   I2cBusFrequencySet(I2CBaseAddress, 400 * 1000, &I2cMode);//Set I2cMode  in I2CInit()
400   I2CLibPeiMmioWrite16(I2CBaseAddress + R_IC_INTR_MASK, 0x0);  in I2CInit()
404   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_TAR, (UINT16) SlaveAddress );  in I2CInit()
405   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_RX_TL, 0);  in I2CInit()
406   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_TX_TL, 0 );  in I2CInit()
407   I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_CON, I2cMode);  in I2CInit()
411   I2CLibPeiMmioRead16 ( I2CBaseAddress + R_IC_CLR_TX_ABRT );  in I2CInit()
443   UINTN   I2CBaseAddress;  in ByteReadI2CBasic()  local
445   I2CBaseAddress = (UINT32)(PEI_TEPM_LPSS_I2C0_BAR + I2cControllerIndex * PCI_CONFIG_SPACE_SIZE);  in ByteReadI2CBasic()
460       RawIntrStat = I2CLibPeiMmioRead16 (I2CBaseAddress + R_IC_RawIntrStat );  in ByteReadI2CBasic()
462         I2CLibPeiMmioRead16 ( I2CBaseAddress + R_IC_CLR_TX_ABRT );  in ByteReadI2CBasic()
471       I2cStatus = I2CLibPeiMmioRead16 ( I2CBaseAddress + R_IC_STATUS );  in ByteReadI2CBasic()
473         ReceiveData = I2CLibPeiMmioRead16 ( I2CBaseAddress + R_IC_DATA_CMD );  in ByteReadI2CBasic()
497         I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_DATA_CMD, B_READ_CMD|B_CMD_RESTART|B_CMD_STOP);  in ByteReadI2CBasic()
499         I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_DATA_CMD, B_READ_CMD|B_CMD_RESTART);  in ByteReadI2CBasic()
501         I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_DATA_CMD, B_READ_CMD|B_CMD_STOP);  in ByteReadI2CBasic()
503         I2CLibPeiMmioWrite16 ( I2CBaseAddress + R_IC_DATA_CMD, B_READ_CMD);  in ByteReadI2CBasic()
539   UINTN   I2CBaseAddress;  in ByteWriteI2CBasic()  local
541   I2CBaseAddress = (UINT32)PEI_TEPM_LPSS_I2C0_BAR+ I2cControllerIndex * PCI_CONFIG_SPACE_SIZE;  in ByteWriteI2CBasic()
553       I2cStatus = I2CLibPeiMmioRead16 (I2CBaseAddress + R_IC_STATUS);  in ByteWriteI2CBasic()
554       RawIntrStat = I2CLibPeiMmioRead16 (I2CBaseAddress + R_IC_RawIntrStat);  in ByteWriteI2CBasic()
556         I2CLibPeiMmioRead16 (I2CBaseAddress + R_IC_CLR_TX_ABRT);  in ByteWriteI2CBasic()
565 …I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_DATA_CMD, (*WriteBuffer++) | B_CMD_RESTART | B_CMD_STO…  in ByteWriteI2CBasic()
567         I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_DATA_CMD, (*WriteBuffer++) | B_CMD_RESTART);  in ByteWriteI2CBasic()
569         I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_DATA_CMD, (*WriteBuffer++) | B_CMD_STOP);  in ByteWriteI2CBasic()
571         I2CLibPeiMmioWrite16 (I2CBaseAddress + R_IC_DATA_CMD, (*WriteBuffer++));  in ByteWriteI2CBasic()