diff options
| author | Scott <scollyer@chromium.org> | 2016-08-02 12:36:52 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-09-05 23:22:13 -0700 |
| commit | e4f389a275fb81c112b1186df0465e48ff163cfd (patch) | |
| tree | 8cb4b98a9a79a8f89461f5472c7f8e947e373e9c /include/tpm_registers.h | |
| parent | d6c69cef59b9abb31da6ed362b61340a5d8318b9 (diff) | |
| download | chrome-ec-e4f389a275fb81c112b1186df0465e48ff163cfd.tar.gz | |
Cr50: Preliminary I2CS TPM2.0 driver
This CL includes changes in Cr50 required to support TPM via
the I2CS interface.
BRANCH=none
BUG=chrome-os-partner:40397
TEST=manual
Limited testing so far. Verified that the I2CS interface is
initialized properly and that register reads occur when
initiated on the AP console via command i2cget -y 8 0x50 0x1 w
Change-Id: I16ac17c7c82d420a384908e4b5a9867a3b24bc9e
Reviewed-on: https://chromium-review.googlesource.com/356241
Commit-Ready: Scott Collyer <scollyer@chromium.org>
Tested-by: Scott Collyer <scollyer@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Diffstat (limited to 'include/tpm_registers.h')
| -rw-r--r-- | include/tpm_registers.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/tpm_registers.h b/include/tpm_registers.h index c7e8dd27a9..3416492f03 100644 --- a/include/tpm_registers.h +++ b/include/tpm_registers.h @@ -26,6 +26,9 @@ void tpm_register_get(uint32_t regaddr, uint8_t *dest, uint32_t data_size); /* Enable SPS TPM driver. */ void sps_tpm_enable(void); +/* Get the current value of the burst size field of the status register. */ +size_t tpm_get_burst_size(void); + /* * This structure describes the header of all commands and responses sent and * received over TPM FIFO. |