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-rw-r--r--src/drivers/i2c/tpm/cr50.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/drivers/i2c/tpm/cr50.c b/src/drivers/i2c/tpm/cr50.c
index baf5fe0cce..9cc9e95ffb 100644
--- a/src/drivers/i2c/tpm/cr50.c
+++ b/src/drivers/i2c/tpm/cr50.c
@@ -43,6 +43,7 @@
#include "tpm.h"
#define CR50_MAX_BUFSIZE 63
+#define CR50_TIMEOUT_INIT_MS 30000 /* Very long timeout for TPM init */
#define CR50_TIMEOUT_LONG_MS 2000 /* Long timeout while waiting for TPM */
#define CR50_TIMEOUT_SHORT_MS 2 /* Short timeout during transactions */
#define CR50_TIMEOUT_NOIRQ_MS 20 /* Timeout for TPM ready without IRQ */
@@ -423,7 +424,7 @@ int tpm_vendor_probe(unsigned int bus, uint32_t addr)
struct stopwatch sw;
uint8_t buf = 0;
int ret;
- long sw_run_duration = CR50_TIMEOUT_LONG_MS;
+ long sw_run_duration = CR50_TIMEOUT_INIT_MS;
tpm_dev->bus = bus;
tpm_dev->addr = addr;