add function to get boardinfo string

When using devicetrees the boardinfo (or model) can be obtained
from the devicetree. Add a function to get the boardinfo so that
we have a chance to add information from the devicetree.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/common/misc.c b/common/misc.c
index e9fdacc655..806649431d 100644
--- a/common/misc.c
+++ b/common/misc.c
@@ -125,3 +125,20 @@ EXPORT_SYMBOL(perror);
 
 void (*do_execute)(void *func, int argc, char *argv[]);
 EXPORT_SYMBOL(do_execute);
+
+static const char *boardinfo;
+
+const char *barebox_boardinfo(void)
+{
+	if (boardinfo)
+		return boardinfo;
+
+	boardinfo = of_get_model();
+	if (boardinfo)
+		boardinfo = xstrdup(boardinfo);
+	else
+		boardinfo = CONFIG_BOARDINFO;
+
+	return boardinfo;
+}
+EXPORT_SYMBOL(barebox_boardinfo);