summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/mainboard/google/volteer/mainboard.c12
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 {
/*