soc/intel/alderlake: Add some helper macros for accessing TCSS DMA devices
Change-Id: I5cf54ae0456147c88b64bd331d4de5ca2e941f8a
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47413
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/alderlake/include/soc/pci_devs.h b/src/soc/intel/alderlake/include/soc/pci_devs.h
index 098c31d..6a114ae 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)