[Buildroot] [git commit branch/next] board/freescale/ls1028ardb: add more documentation

[Buildroot] [git commit branch/next] board/freescale/ls1028ardb: add more documentation

[Thomas Petazzoni via buildroot]

commit: https://git.buildroot.net/buildroot/commit/?id=c45b2f2b9da5109e40a18ffdef379f5112aa7224
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
---
 board/freescale/ls1028ardb/readme.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/board/freescale/ls1028ardb/readme.txt b/board/freescale/ls1028ardb/readme.txt
index 2dd2e2d84b..cfd1c8c490 100644
--- a/board/freescale/ls1028ardb/readme.txt
+++ b/board/freescale/ls1028ardb/readme.txt
@@ -8,6 +8,16 @@ for more details about the board and the QorIQ Layerscape SoC, see the following
   - https://www.nxp.com/design/qoriq-developer-resources/layerscape-ls1028a-reference-design-board:LS1028ARDB
   - https://www.nxp.com/LS1028A
 
+for the software NXP LSDK (Layerscape Software Development Kit), see
+  - https://www.nxp.com/docs/en/user-guide/LSDKUG_Rev21.08.pdf
+
+the components from NXP are:
+  - rcw, LSDK 21.08
+  - atf (fork), LSDK 21.08
+  - uboot (fork), LSDK 21.08
+  - cadence-dp-firmware (blob), LSDK 20.12
+  - linux (fork), LSDK 21.08
+
 Build
 =====
 
@@ -67,3 +77,11 @@ The Cadence DP (Display Port) firmware must loaded from uboot with the following
   Loading hdp firmware from 0x0000000080000000 offset 0x0000000000002000
   Loading hdp firmware Complete
   => boot
+
+The interfaces of Ethernet switch (Felix DSA) are bring up with the following commands:
+
+  ip link set eno2 up
+  ip link set swp0 up
+  ip link set swp1 up
+  ip link set swp2 up
+  ip link set swp3 up
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