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-rw-r--r--board/freescale/ls2085ardb/README11
1 files changed, 11 insertions, 0 deletions
diff --git a/board/freescale/ls2085ardb/README b/board/freescale/ls2085ardb/README
index cfd5185..2f18243 100644
--- a/board/freescale/ls2085ardb/README
+++ b/board/freescale/ls2085ardb/README
@@ -107,3 +107,14 @@ Booting Options
---------------
a) NOR boot
b) NAND boot
+
+Booting Linux flavors which do not support 48-bit VA (< Linux 3.18)
+-------------------------------------------------------------------
+One needs to use appropriate bootargs to boot Linux flavors which do
+not support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown
+below:
+
+=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram
+ earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m
+ hugepages=16 mem=2048M'
+