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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright 2017 NXP Semiconductor, Inc.
- *
- */
- #ifndef __FSL_STREAM_ID_H
- #define __FSL_STREAM_ID_H
- /*
- * Stream IDs on Chassis-2 (for example ls1043a, ls1046a, ls1012) devices
- * are not hardwired and are programmed by sw. There are a limited number
- * of stream IDs available, and the partitioning of them is scenario
- * dependent. This header defines the partitioning between legacy, PCI,
- * and DPAA1 devices.
- *
- * This partitioning can be customized in this file depending
- * on the specific hardware config:
- *
- * -non-PCI legacy, platform devices (USB, SDHC, SATA, DMA, QE etc)
- * -all legacy devices get a unique stream ID assigned and programmed in
- * their AMQR registers by u-boot
- *
- * -PCIe
- * -there is a range of stream IDs set aside for PCI in this
- * file. U-boot will scan the PCI bus and for each device discovered:
- * -allocate a streamID
- * -set a PEXn LUT table entry mapping 'requester ID' to 'stream ID'
- * -set a msi-map entry in the PEXn controller node in the
- * device tree (see Documentation/devicetree/bindings/pci/pci-msi.txt
- * for more info on the msi-map definition)
- * -set a iommu-map entry in the PEXn controller node in the
- * device tree (see Documentation/devicetree/bindings/pci/pci-iommu.txt
- * for more info on the iommu-map definition)
- *
- * -DPAA1
- * - Stream ids for DPAA1 use are reserved for future usecase.
- *
- */
- #define FSL_INVALID_STREAM_ID 0
- /* legacy devices */
- #define FSL_USB1_STREAM_ID 1
- #define FSL_USB2_STREAM_ID 2
- #define FSL_USB3_STREAM_ID 3
- #define FSL_SDHC_STREAM_ID 4
- #define FSL_SATA_STREAM_ID 5
- #define FSL_QE_STREAM_ID 6
- #define FSL_QDMA_STREAM_ID 7
- #define FSL_EDMA_STREAM_ID 8
- #define FSL_ETR_STREAM_ID 9
- /* PCI - programmed in PEXn_LUT */
- #define FSL_PEX_STREAM_ID_START 11
- #define FSL_PEX_STREAM_ID_END 26
- /* DPAA1 - Stream-ID that can be programmed in DPAA1 h/w */
- #define FSL_DPAA1_STREAM_ID_START 27
- #define FSL_DPAA1_STREAM_ID_END 63
- #endif
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