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--></style></head><body lang=ZH-CN link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'> I am using the seabios-1.10.0 with qemu2.6, I know seabios-1.10.0 supports TPM2.0, but unfortunately it doesn’t work for me. I have tested CentOS 7.2 and Ubuntu 14.04, it all said: <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'> “<b>ima: NO TPM chip found, activating TPM-bypass</b>!”<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'> I doubt it’s a problem about TPM driver, so I download the Ubuntu kernel source code, and I find the interface as follows:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>--- TPM Hardware Support<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>-*- TPM Interface Specification 1.2 Interface / TPM 2.0 FIFO Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> TPM Interface Specification 1.2 Interface (I2C - Atmel)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> TPM Interface Specification 1.2 Interface (I2C -Infineon)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> TPM Interface Specification 1.2 Interface (I2C - Muvoton)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> National Semiconductor TPM Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> Atmel TPM Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> Infineon Technologies TPM Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><M> XEN TPM Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>< > TPM 2.0 CRB Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>< > STMicroelectronics TPM Interface Specification 1.2 Interface<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>---<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'> Should I need open the TPM 2.0 CRB Interface? I really hope you could give me some advice.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>Best Reagrds,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:Consolas'>Jie Wang<o:p></o:p></span></p></div></body></html>