1 files changed, 67 insertions, 0 deletions
diff --git a/board/amlogic/jethub-j80/jethub-j80.c b/board/amlogic/jethub-j80/jethub-j80.c
new file mode 100644
index 0000000000..185880de13
--- /dev/null
+++ b/board/amlogic/jethub-j80/jethub-j80.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Vyacheslav Bocharov
+ * Author: Vyacheslav Bocharov <adeep@lexina.in>
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <adc.h>
+#include <env.h>
+#include <init.h>
+#include <net.h>
+#include <asm/io.h>
+#include <asm/arch/gx.h>
+#include <asm/arch/sm.h>
+#include <asm/arch/eth.h>
+#include <asm/arch/mem.h>
+
+#define EFUSE_SN_OFFSET		50
+#define EFUSE_SN_SIZE		32
+#define EFUSE_MAC_OFFSET	0
+#define EFUSE_MAC_SIZE		6
+#define EFUSE_USID_OFFSET	18
+#define EFUSE_USID_SIZE		32
+
+int misc_init_r(void)
+{
+	u8 mac_addr[EFUSE_MAC_SIZE];
+	char serial[EFUSE_SN_SIZE];
+	char usid[EFUSE_USID_SIZE];
+	ssize_t len;
+	unsigned int adcval;
+	int ret;
+
+	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
+		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
+					  mac_addr, EFUSE_MAC_SIZE);
+		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
+			eth_env_set_enetaddr("ethaddr", mac_addr);
+		else
+			meson_generate_serial_ethaddr();
+	}
+
+	if (!env_get("serial")) {
+		len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
+					  EFUSE_SN_SIZE);
+		if (len == EFUSE_SN_SIZE)
+			env_set("serial", serial);
+	}
+
+	if (!env_get("usid")) {
+		len = meson_sm_read_efuse(EFUSE_USID_OFFSET, usid,
+					  EFUSE_USID_SIZE);
+		if (len == EFUSE_USID_SIZE)
+			env_set("usid", usid);
+	}
+
+	ret = adc_channel_single_shot("adc@8680", 0, &adcval);
+	if (adcval < 3000)
+		env_set("userbutton", "true");
+	else
+		env_set("userbutton", "false");
+
+	return 0;
+}