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net: Introduce DSA class for Ethernet switches

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DSA stands for Distributed Switch Architecture and it covers switches that
are connected to the CPU through an Ethernet link and generally use frame
tags to pass information about the source/destination ports to/from CPU.
Front panel ports are presented as regular ethernet devices in U-Boot and
they are expected to support the typical networking commands.
DSA switches may be cascaded, DSA class code does not currently support
this.

Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
This commit is contained in:
Claudiu Manoil
2021-01-25 14:23:53 +02:00
committed by Tom Rini
parent d0781c95bc
commit fc054d563b
6 changed files with 666 additions and 0 deletions
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1
include/dm/uclass-id.h
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@@ -46,6 +46,7 @@ enum uclass_id {
UCLASS_DISPLAY, /* Display (e.g. DisplayPort, HDMI) */
UCLASS_DSI_HOST, /* Display Serial Interface host */
UCLASS_DMA, /* Direct Memory Access */
UCLASS_DSA, /* Distributed (Ethernet) Switch Architecture */
UCLASS_EFI, /* EFI managed devices */
UCLASS_ETH, /* Ethernet device */
UCLASS_ETH_PHY, /* Ethernet PHY device */