On Sat, Jul 21, 2018 at 08:11:14PM +0200, Piotr Kubaj wrote: > Hi, > > I use SeaBIOS 1.11.2 as payload with 4.8-835-g113f670baa on ASUS KGPE-D16 > board. I also have ASUS TPM-L R2.0 module with Infineon SLB9665 chip. > > TPM is correctly detected by both Linux and FreeBSD. It's also detected by > coreboot in debug console. But SeaBIOS doesn't cooperate with it - there's no > TPM menu. > > In serial console, I get: > TCGBIOS: Detected a TPM 1.2. > rsdp=0x000f1930 > rsdt=0xbf4b9030 > table(41504354)=0xbf4bf460 > TCGBIOS: Starting with TPM_Startup(ST_CLEAR) > Return from tpm_simple_cmd(99, 1) = 1e > TCGBIOS: TPM malfunctioning (line 874). > Return from tpm_simple_cmd(73, 0) = 1e > > Note that SeaBIOS detects it as TPM 1.2, even though it's TPM 2.0.
The error (0x1e) appears to be a TPM_BADTAG code. That's probably because it's being treated as a TPM v1.2 instead of v2.0. Stefan and Stephen were recently looking at this - maybe they know why this occurred? -Kevin _______________________________________________ SeaBIOS mailing list SeaBIOS@seabios.org https://mail.coreboot.org/mailman/listinfo/seabios
