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| author | Duncan Laurie <dlaurie@chromium.org> | 2016-09-14 16:27:04 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-09-21 10:02:17 +0200 |
| commit | dca223cb38ab73744f490eb5b4cc6c7c2598f2c3 (patch) | |
| tree | e957a18c5c3007c8975acd92bc51729165f157f7 /src/drivers/i2c/tpm/tpm.h | |
| parent | 8ea06512e69f5f5378316021e106732f6c89fbd2 (diff) | |
| download | coreboot-dca223cb38ab73744f490eb5b4cc6c7c2598f2c3.tar.gz coreboot-dca223cb38ab73744f490eb5b4cc6c7c2598f2c3.tar.bz2 coreboot-dca223cb38ab73744f490eb5b4cc6c7c2598f2c3.zip | |
drivers/i2c/tpm: Move common variables to header
Move the common enums and variables to tpm.h so it can be
used by multiple drivers.
BUG=chrome-os-partner:53336
Change-Id: Ie749f13562be753293448fee2c2d643797bf8049
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/16662
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/drivers/i2c/tpm/tpm.h')
| -rw-r--r-- | src/drivers/i2c/tpm/tpm.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/drivers/i2c/tpm/tpm.h b/src/drivers/i2c/tpm/tpm.h index ddf12a9e980b..048c848de2d6 100644 --- a/src/drivers/i2c/tpm/tpm.h +++ b/src/drivers/i2c/tpm/tpm.h @@ -36,6 +36,9 @@ enum tpm_timeout { /* Size of external transmit buffer (used for stack buffer in tpm_sendrecv) */ #define TPM_BUFSIZE 1260 +/* Number of bytes in the TPM header */ +#define TPM_HEADER_SIZE 10 + /* Index of fields in TPM command buffer */ #define TPM_CMD_SIZE_BYTE 2 #define TPM_CMD_ORDINAL_BYTE 6 @@ -44,6 +47,26 @@ enum tpm_timeout { #define TPM_RSP_SIZE_BYTE 2 #define TPM_RSP_RC_BYTE 6 +enum tis_access { + TPM_ACCESS_VALID = 0x80, + TPM_ACCESS_ACTIVE_LOCALITY = 0x20, + TPM_ACCESS_REQUEST_PENDING = 0x04, + TPM_ACCESS_REQUEST_USE = 0x02, +}; + +enum tis_status { + TPM_STS_VALID = 0x80, + TPM_STS_COMMAND_READY = 0x40, + TPM_STS_GO = 0x20, + TPM_STS_DATA_AVAIL = 0x10, + TPM_STS_DATA_EXPECT = 0x08, +}; + +#define TPM_ACCESS(l) (0x0000 | ((l) << 4)) +#define TPM_STS(l) (0x0001 | ((l) << 4)) +#define TPM_DATA_FIFO(l) (0x0005 | ((l) << 4)) +#define TPM_DID_VID(l) (0x0006 | ((l) << 4)) + struct tpm_chip; struct tpm_vendor_specific { |