imx: ventana: add mem_mb dynamic env var
Certain OS bootscripts need to know how much memory a board has to adjust
kernel parameters (namely Android). This allows those boards to determine
mem size in MB.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index 2906dcc..307ffa5 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -1498,6 +1498,10 @@
/* board serial-number */
sprintf(str, "%6d", info->serial);
setenv("serial#", str);
+
+ /* memory MB */
+ sprintf(str, "%d", (int) (gd->ram_size >> 20));
+ setenv("mem_mb", str);
}