diff options
Diffstat (limited to 'src/soc/intel/cannonlake/chip.c')
| -rw-r--r-- | src/soc/intel/cannonlake/chip.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/soc/intel/cannonlake/chip.c b/src/soc/intel/cannonlake/chip.c index bda66bd1dd..e2e4a6bda5 100644 --- a/src/soc/intel/cannonlake/chip.c +++ b/src/soc/intel/cannonlake/chip.c @@ -2,6 +2,7 @@ #include <device/device.h> #include <device/pci.h> +#include <device/pci_ids.h> #include <fsp/api.h> #include <fsp/util.h> #include <gpio.h> @@ -153,10 +154,20 @@ void soc_init_pre_device(void *chip_info) soc_gpio_pm_configuration(); /* swap enabled PCI ports in device tree if needed */ - if (CONFIG(SOC_INTEL_CANNONLAKE_PCH_H)) + if (CONFIG(SOC_INTEL_CANNONLAKE_PCH_H)) { pcie_rp_update_devicetree(pch_h_rp_groups); - else + + /* + * Fix up device ID of hidden PCI device in devicetree. + * This is used by soc/intel/common/block/uart.c to generate ACPI + */ + struct device *uart2 = PCH_DEV_UART2; + if (uart2->hidden) + uart2->device = PCI_DID_INTEL_CNP_H_UART2; + + } else { pcie_rp_update_devicetree(pch_lp_rp_groups); + } } static void cpu_fill_ssdt(const struct device *dev) |