diff options
Diffstat (limited to 'src/vendorcode')
| -rw-r--r-- | src/vendorcode/google/chromeos/cse_board_reset.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/vendorcode/google/chromeos/cse_board_reset.c b/src/vendorcode/google/chromeos/cse_board_reset.c index 65e09aeedb..0b213a66de 100644 --- a/src/vendorcode/google/chromeos/cse_board_reset.c +++ b/src/vendorcode/google/chromeos/cse_board_reset.c @@ -16,23 +16,26 @@ void cse_board_reset(void) int ret; struct cr50_firmware_version version; - /* Initialize TPM and get the cr50 firmware version. */ - ret = tlcl_lib_init(); - if (ret != VB2_SUCCESS) { - printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret); - return; - } + if (CONFIG(MAINBOARD_HAS_SPI_TPM_CR50)) { + /* Initialize TPM and get the cr50 firmware version. */ + ret = tlcl_lib_init(); + if (ret != VB2_SUCCESS) { + printk(BIOS_ERR, "tlcl_lib_init() failed: 0x%x\n", ret); + return; + } - cr50_get_firmware_version(&version); + cr50_get_firmware_version(&version); - /* - * Cr50 firmware versions 0.[3|4].20 or newer support strap config 0xe where PLTRST from - * AP is connected to cr50's PLTRST# signal. So return immediately and trigger a - * global reset. - */ - if (version.epoch != 0 || version.major > 4 || - (version.major >= 3 && version.minor >= 20)) - return; + /* + * Cr50 firmware versions 0.[3|4].20 or newer support strap + * config 0xe where PLTRST from AP is connected to cr50's + * PLTRST# signal. So return immediately and trigger a global + * reset. + */ + if (version.epoch != 0 || version.major > 4 || + (version.major >= 3 && version.minor >= 20)) + return; + } printk(BIOS_INFO, "Initiating request to EC to trigger cold reset\n"); /* |