[U-Boot] [imx-next PATCH v1 14/14] boot.src: Provide dsa_core.blacklist bootarg when booting via NFS

Lukasz Majewski lukma at denx.de
Thu Apr 4 10:26:56 UTC 2019

This setup is a bit special as Linux kernel (4.19) is not supporting
in-kernel NFS rootfs mount and Distributed Switch Architecture (DSA)

For that reason it was necessary to provide a bootarg to allow userspace
enable it afterwards if needed.

Signed-off-by: Lukasz Majewski <lukma at denx.de>


 board/k+p/bootscripts/tpcboot.cmd | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/board/k+p/bootscripts/tpcboot.cmd b/board/k+p/bootscripts/tpcboot.cmd
index 0576e81140..b81494dd1b 100644
--- a/board/k+p/bootscripts/tpcboot.cmd
+++ b/board/k+p/bootscripts/tpcboot.cmd
@@ -27,6 +27,12 @@ setenv miscadj "
 if test '${boardsoc}' = 'imx53'; then
        setenv bootargs '${bootargs} di=${dig_in} key1=${key1}';
+setenv nfsadj "
+if test '${boardsoc}' = 'imx53'; then
+   if test '${boardtype}' = 'hsc'; then
+       setenv bootargs '${bootargs} dsa_core.blacklist=yes';
+   fi;
 setenv boot_fitImage "
 	setenv fdt_conf 'conf@${boardsoc}-${boardname}.dtb';
 	setenv itbcfg "\"#\${fdt_conf}\"";
@@ -72,6 +78,7 @@ setenv boot_nfs "
 if run download_kernel; then
 	run nfsargs;
 	run addip;
+	run nfsadj;
 	setenv bootargs '${bootargs}' console=${console};
 	run boot_fitImage;

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