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-rw-r--r--src/soc/intel/alderlake/include/soc/pci_devs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/include/soc/pci_devs.h b/src/soc/intel/alderlake/include/soc/pci_devs.h
index 098c31daa5..6a114ae61c 100644
--- a/src/soc/intel/alderlake/include/soc/pci_devs.h
+++ b/src/soc/intel/alderlake/include/soc/pci_devs.h
@@ -54,6 +54,8 @@
#define SA_DEV_TBT3 PCI_DEV(0, SA_DEV_SLOT_TBT, 3)
#define SA_DEV_SLOT_TCSS 0x0d
+#define NUM_TCSS_DMA_FUNCTIONS 2
+#define SA_DEVFN_TCSS_DMA(x) PCI_DEVFN(SA_DEV_SLOT_TCSS, ((x) + 2))
#define SA_DEVFN_TCSS_XHCI PCI_DEVFN(SA_DEV_SLOT_TCSS, 0)
#define SA_DEVFN_TCSS_XDCI PCI_DEVFN(SA_DEV_SLOT_TCSS, 1)
#define SA_DEVFN_TCSS_DMA0 PCI_DEVFN(SA_DEV_SLOT_TCSS, 2)