Hello,
I'm currently using coreboot with GRUB2 as a primary ad only payload an
a ThinkPad X220 with Qubes OS. Everything works fairly smoothly except i
can't get the TPM to work.
From dmesg:
[ 4.997508] tpm_tis 00:06: 1.2 TPM (device-id 0x0, rev-id 78)
[ 5.029507] tpm tpm0: A TPM error (6) occurred attempting to read a
pcr value
[ 5.029514] tpm tpm0: TPM is disabled/deactivated (0x6)
Relevant coreboot build config
CONFIG_TPM_PIRQ=0x0
# CONFIG_MAINBOARD_HAS_I2C_TPM_ATMEL is not set
# CONFIG_MAINBOARD_HAS_I2C_TPM_CR50 is not set
CONFIG_LPC_TPM=y
CONFIG_TPM_TIS_BASE_ADDRESS=0xfed40000
# CONFIG_TPM_INIT_FAILURE_IS_FATAL is not set
# CONFIG_SKIP_TPM_STARTUP_ON_NORMAL_BOOT is not set
# CONFIG_TPM_DEACTIVATE is not set
# CONFIG_MAINBOARD_HAS_SPI_TPM_CR50 is not set
# CONFIG_TPM is not set
# CONFIG_MAINBOARD_HAS_TPM_CR50 is not set
CONFIG_MAINBOARD_HAS_LPC_TPM=y
# CONFIG_MAINBOARD_HAS_TPM2 is not set
I tries setting CONFIG_TPM_DEACTIVATE=n and CONFIG_TPM=y but it looks
like it has no effect. Also if using 'make menuconfig' the submenu
relative to the TPM configuration is empty.
Giulio
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