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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>
This commit is contained in:
Tim Wawrzynczak 2020-11-10 14:19:06 -07:00 committed by Patrick Georgi
parent 3fca2c7922
commit d828aed1dd
1 changed files with 2 additions and 0 deletions
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src/soc/intel/alderlake/include/soc/pci_devs.h
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@ -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)