expo: cedit: Support writing settings to a file

Support writing settings from an expo into a file in FDT format. It
consists of a single node with a two properties for each sceneitem,
one with tag ID chosen by the user and another for its text value.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/test/boot/cedit.c b/test/boot/cedit.c
index f3411f734f..1dd78c6415 100644
--- a/test/boot/cedit.c
+++ b/test/boot/cedit.c
@@ -7,6 +7,8 @@
 #include <common.h>
 #include <cedit.h>
 #include <expo.h>
+#include <mapmem.h>
+#include <dm/ofnode.h>
 #include <test/ut.h>
 #include "bootstd_common.h"
 #include <test/cedit-test.h>
@@ -51,3 +53,46 @@ static int cedit_base(struct unit_test_state *uts)
 	return 0;
 }
 BOOTSTD_TEST(cedit_base, 0);
+
+/* Check the cedit write_fdt commands */
+static int cedit_fdt(struct unit_test_state *uts)
+{
+	struct video_priv *vid_priv;
+	extern struct expo *cur_exp;
+	ulong addr = 0x1000;
+	struct ofprop prop;
+	struct scene *scn;
+	oftree tree;
+	ofnode node;
+	void *fdt;
+	int i;
+
+	console_record_reset_enable();
+	ut_assertok(run_command("cedit load hostfs - cedit.dtb", 0));
+
+	ut_asserteq(ID_SCENE1, cedit_prepare(cur_exp, &vid_priv, &scn));
+
+	ut_assertok(run_command("cedit write_fdt hostfs - settings.dtb", 0));
+	ut_assertok(run_commandf("load hostfs - %lx settings.dtb", addr));
+	ut_assert_nextlinen("1024 bytes read");
+
+	fdt = map_sysmem(addr, 1024);
+	tree = oftree_from_fdt(fdt);
+	node = ofnode_find_subnode(oftree_root(tree), CEDIT_NODE_NAME);
+
+	ut_asserteq(ID_CPU_SPEED_1,
+		    ofnode_read_u32_default(node, "cpu-speed", 0));
+	ut_asserteq_str("2 GHz", ofnode_read_string(node, "cpu-speed-str"));
+	ut_assert(ofnode_valid(node));
+
+	/* There should only be 4 properties */
+	for (i = 0, ofnode_first_property(node, &prop); ofprop_valid(&prop);
+	     i++, ofnode_next_property(&prop))
+		;
+	ut_asserteq(4, i);
+
+	ut_assert_console_end();
+
+	return 0;
+}
+BOOTSTD_TEST(cedit_fdt, 0);