diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/volteer/mainboard.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/google/volteer/mainboard.c b/src/mainboard/google/volteer/mainboard.c index acba9722dc..0850e745db 100644 --- a/src/mainboard/google/volteer/mainboard.c +++ b/src/mainboard/google/volteer/mainboard.c @@ -96,13 +96,23 @@ static void mainboard_enable(struct device *dev) void mainboard_update_soc_chip_config(struct soc_intel_tigerlake_config *cfg) { int ret; + if (!CONFIG(MAINBOARD_HAS_SPI_TPM_CR50)) { + /* + * Negotiation of long interrupt pulses is only supported via SPI. I2C is only + * used on reworked prototypes on which the TPM is replaced with Dauntless under + * development, it will use long pulses by default, or use the interrupt line in + * a different way altogether. + */ + return; + } + ret = tlcl_lib_init(); if (ret != VB2_SUCCESS) { printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret); return; } - if (CONFIG(MAINBOARD_HAS_SPI_TPM_CR50) && cr50_is_long_interrupt_pulse_enabled()) { + if (cr50_is_long_interrupt_pulse_enabled()) { printk(BIOS_INFO, "Enabling S0i3.4\n"); } else { /* |