diff options
Diffstat (limited to 'src/soc/intel/tigerlake/finalize.c')
| -rw-r--r-- | src/soc/intel/tigerlake/finalize.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/finalize.c b/src/soc/intel/tigerlake/finalize.c index 534abd9453..5bf01de7f0 100644 --- a/src/soc/intel/tigerlake/finalize.c +++ b/src/soc/intel/tigerlake/finalize.c @@ -67,12 +67,26 @@ static void pch_finalize(void) pmc_clear_pmcon_sts(); } +static void tbt_finalize(void) +{ + int i; + const struct device *dev; + + /* Disable Thunderbolt PCIe root ports bus master */ + for (i = 0; i < NUM_TBT_FUNCTIONS; i++) { + dev = pcidev_path_on_root(SA_DEVFN_TBT(i)); + if (dev) + pci_dev_disable_bus_master(dev); + } +} + static void soc_finalize(void *unused) { printk(BIOS_DEBUG, "Finalizing chipset.\n"); pch_finalize(); apm_control(APM_CNT_FINALIZE); + tbt_finalize(); /* Indicate finalize step with post code */ post_code(POST_OS_BOOT); |