1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/boards/radxa-cm3/board.c b/arch/arm/boards/radxa-cm3/board.c
new file mode 100644
index 0000000000..19d37e31d9
--- /dev/null
+++ b/arch/arm/boards/radxa-cm3/board.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <bootsource.h>
+#include <common.h>
+#include <deep-probe.h>
+#include <init.h>
+#include <mach/rockchip/bbu.h>
+
+struct cm3_model {
+	const char *name;
+	const char *shortname;
+};
+
+static int cm3_probe(struct device *dev)
+{
+	enum bootsource bootsource = bootsource_get();
+	int instance = bootsource_get_instance();
+	const struct cm3_model *model;
+
+	model = device_get_match_data(dev);
+
+	barebox_set_model(model->name);
+	barebox_set_hostname(model->shortname);
+
+	if (bootsource == BOOTSOURCE_MMC && instance == 1)
+		of_device_enable_path("/chosen/environment-sd");
+	else
+		of_device_enable_path("/chosen/environment-emmc");
+
+	rockchip_bbu_mmc_register("emmc", BBU_HANDLER_FLAG_DEFAULT,
+				  "/dev/mmc0");
+	rockchip_bbu_mmc_register("sd", 0, "/dev/mmc1");
+
+	return 0;
+}
+
+static const struct cm3_model cm3_io = {
+	.name = "Radxa CM3 on IO Board",
+	.shortname = "cm3-io",
+};
+
+static const struct of_device_id cm3_of_match[] = {
+	{
+		.compatible = "radxa,cm3-io",
+		.data = &cm3_io,
+	},
+	{ /* sentinel */ },
+};
+
+static struct driver cm3_io_board_driver = {
+	.name = "board-cm3-io",
+	.probe = cm3_probe,
+	.of_compatible = cm3_of_match,
+};
+coredevice_platform_driver(cm3_io_board_driver);
+
+BAREBOX_DEEP_PROBE_ENABLE(cm3_of_match);