diff options
| -rw-r--r-- | src/soc/intel/xeon_sp/cpx/soc_acpi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/cpx/soc_acpi.c b/src/soc/intel/xeon_sp/cpx/soc_acpi.c index b0352d8567..a9af4aa3ce 100644 --- a/src/soc/intel/xeon_sp/cpx/soc_acpi.c +++ b/src/soc/intel/xeon_sp/cpx/soc_acpi.c @@ -457,6 +457,10 @@ static unsigned long acpi_create_drhd(unsigned long current, int socket, printk(BIOS_SPEW, "%s socket: %d, stack: %d, bus: 0x%x, pcie_seg: 0x%x, reg_base: 0x%x\n", __func__, socket, stack, bus, pcie_seg, reg_base); + /* Do not generate DRHD for non-PCIe stack */ + if (!reg_base) + return current; + // Add DRHD Hardware Unit if (socket == 0 && stack == CSTACK) { printk(BIOS_DEBUG, "[Hardware Unit Definition] Flags: 0x%x, PCI Segment Number: 0x%x, " |