diff options
| author | Bharat Bhushan <bharat.bhushan@nxp.com> | 2017-03-22 12:06:26 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-03-28 10:44:47 -0700 |
| commit | a4954f9467fd720fc386ada6ec43833a85078cce (patch) | |
| tree | 2b67f21434342c3811a733bf4cace7be5e0e4f83 /arch | |
| parent | 08c5130d28c42016e9d8a7207388245cd5d2f91d (diff) | |
armv8: fsl-lsch3: Rewrite comment for stream IDs
LS2080a, LS1088a and LS2088a SOCs are based on Chassis-3 and shared
same stream-id partitioning. This patch rewords the definition to
support all these SOCs.
Also have changes in description about iommu-map property updates
in PCI node.
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h index ee28323f8c..d7d527d8f4 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/stream_id_lsch3.h @@ -8,11 +8,11 @@ #define __FSL_STREAM_ID_H /* - * Stream IDs on ls2080a 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 DPAA2 devices. + * Stream IDs on NXP Chassis-3 (for example ls2080a, ls1088a, ls2088a) + * 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 DPAA2 devices. * * This partitioning can be customized in this file depending * on the specific hardware config: @@ -29,6 +29,9 @@ * -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) * * -DPAA2 * -u-boot will allocate a range of stream IDs to be used by the Management @@ -36,7 +39,7 @@ * -the MC is responsible for allocating and setting up 'isolation context * IDs (ICIDs) based on the allocated stream IDs for all DPAA2 devices. * - * On ls2080a SoCs stream IDs are programmed in AMQ registers (32-bits) for + * On Chasis-3 SoCs stream IDs are programmed in AMQ registers (32-bits) for * each of the different bus masters. The relationship between * the AMQ registers and stream IDs is defined in the table below: * AMQ bit streamID bit |