1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/boards/rockchip-rk3568-bpi-r2pro/board.c b/arch/arm/boards/rockchip-rk3568-bpi-r2pro/board.c
new file mode 100644
index 0000000000..e472f13c8b
--- /dev/null
+++ b/arch/arm/boards/rockchip-rk3568-bpi-r2pro/board.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#define pr_fmt(fmt) "rk3568-r2pro: " fmt
+
+#include <common.h>
+#include <init.h>
+#include <mach/bbu.h>
+#include <aiodev.h>
+#include <bootsource.h>
+#include <environment.h>
+#include <globalvar.h>
+#include <magicvar.h>
+#include <deep-probe.h>
+
+static bool machine_is_bpi_r2pro = false;
+
+static int rk3568_bpi_r2pro_probe(struct device_d *dev)
+{
+	enum bootsource bootsource = bootsource_get();
+	int instance = bootsource_get_instance();
+
+	barebox_set_model("BPI R2PRO");
+	barebox_set_hostname("bpi-r2pro");
+	machine_is_bpi_r2pro = true;
+
+	if (bootsource == BOOTSOURCE_MMC && instance == 1)
+		of_device_enable_path("/chosen/environment-sd");
+	else
+		of_device_enable_path("/chosen/environment-emmc");
+
+	rk3568_bbu_mmc_register("emmc", BBU_HANDLER_FLAG_DEFAULT, "/dev/emmc");
+	rk3568_bbu_mmc_register("sd", 0, "/dev/sd");
+
+	return 0;
+}
+
+static const struct of_device_id rk3568_bpi_r2pro_of_match[] = {
+	{ .compatible = "rockchip,rk3568-bpi-r2pro" },
+	{ /* Sentinel */},
+};
+
+static struct driver_d rk3568_bpi_r2pro_board_driver = {
+	.name = "board-rk3568-bpi-r2pro",
+	.probe = rk3568_bpi_r2pro_probe,
+	.of_compatible = rk3568_bpi_r2pro_of_match,
+};
+coredevice_platform_driver(rk3568_bpi_r2pro_board_driver);
+
+BAREBOX_DEEP_PROBE_ENABLE(rk3568_bpi_r2pro_of_match);
+
+static int rk3568_bpi_r2pro_detect_hwid(void)
+{
+	int ret;
+	int hwid_voltage;
+	struct aiochannel *hwid_chan;
+	char *hwid;
+
+	if (!IS_ENABLED(CONFIG_AIODEV))
+		return 0;
+
+	if (!machine_is_bpi_r2pro)
+		return 0;
+
+	hwid_chan = aiochannel_by_name("aiodev0.in_value1_mV");
+	if (IS_ERR(hwid_chan)) {
+		ret = PTR_ERR(hwid_chan);
+		goto err_hwid;
+	}
+
+	ret = aiochannel_get_value(hwid_chan, &hwid_voltage);
+	if (ret)
+		goto err_hwid;
+
+	pr_info("hwid_voltage: %d\n", hwid_voltage);
+
+	if (hwid_voltage == 1800)
+		hwid = "V00";
+	else
+		hwid = "unknown";
+
+	pr_info("Detected RK3568 BananaPi R2 Pro %s\n", hwid);
+
+	globalvar_add_simple("board.hwid", hwid);
+
+	return 0;
+
+err_hwid:
+	pr_err("couldn't retrieve hardware ID\n");
+	return ret;
+}
+late_initcall(rk3568_bpi_r2pro_detect_hwid);
+
+BAREBOX_MAGICVAR(global.board.hwid, "The board hardware ID");