On 03/19/2018 12:36 PM, Paul Menzel wrote:
Dear Stephen,
On 03/19/18 17:23, Stephen Douthit wrote:
On 03/19/2018 12:00 PM, Stefan Berger wrote:
Wait for the tpmRegValidSts flag on the TPM_LOC_STATE_x register to
be set; we espect the locAssigned flag to not be set.
s/espect/expect/ and in the subject line s/CRQ/CRB
Just retested the v2 series on my board so:
Tested-by: Stephen Douthit <[email protected]>
Do you have a setup, where you can measure the times? What times do you see?
Even in the timeout case it's shorter than the timer interrupt tick
interval on my board. 'ticks' reads 0 for both the present and absent
case on my board.
diff --git a/src/tcgbios.c b/src/tcgbios.c
index 40b3028..056c412 100644
--- a/src/tcgbios.c
+++ b/src/tcgbios.c
@@ -968,7 +968,10 @@ tpm_setup(void)
if (!CONFIG_TCGBIOS)
return;
+ u32 start = irqtimer_calc(0);
TPM_version = tpmhw_probe();
+ u32 ticks = irqtimer_calc(0) - start;
+ dprintf(1, "TCGBIOS: tpmhw_probe completed in %d ticks (%d ms)\n", ticks,
ticks_to_ms(ticks));
if (TPM_version == TPM_VERSION_NONE)
return;
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