diff options
Diffstat (limited to 'src/drivers/tpm')
| -rw-r--r-- | src/drivers/tpm/cr50.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/drivers/tpm/cr50.c b/src/drivers/tpm/cr50.c index c8ab5e4a55..4b5e8134f2 100644 --- a/src/drivers/tpm/cr50.c +++ b/src/drivers/tpm/cr50.c @@ -23,6 +23,9 @@ enum cr50_register { #define CR50_FW_VER_REG_SPI (TPM_LOCALITY_0_SPI_BASE + 0xf90) #define CR50_BOARD_CFG_REG_SPI (TPM_LOCALITY_0_SPI_BASE + 0xfe0) +#define CR50_FW_VER_REG_I2C 0x0f +#define CR50_BOARD_CFG_REG_I2C 0x1c + /* Return register address, which depends on the bus type, or -1 for error. */ static int get_reg_addr(enum cr50_register reg) { @@ -37,6 +40,16 @@ static int get_reg_addr(enum cr50_register reg) } } + if (CONFIG(I2C_TPM)) { + switch (reg) { + case CR50_FW_VER_REG: + return CR50_FW_VER_REG_I2C; + case CR50_BOARD_CFG_REG: + return CR50_BOARD_CFG_REG_I2C; + default: + return -1; + } + } return -1; } |