board: amlogic: Add Odroid-N2 board support
Add a proper Odroid-N2 board support to handle the Ethernet MAC
address stored in the in-SoC eFuses.
Signed-off-by: Pascal Vizeli <pvizeli@syshack.ch>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Anand Moon <linux.amoon@gmail.com>
diff --git a/board/amlogic/odroid-n2/MAINTAINERS b/board/amlogic/odroid-n2/MAINTAINERS
new file mode 100644
index 0000000..5627e54
--- /dev/null
+++ b/board/amlogic/odroid-n2/MAINTAINERS
@@ -0,0 +1,7 @@
+ODROID-N2
+M: Neil Armstrong <narmstrong@baylibre.com>
+S: Maintained
+L: u-boot-amlogic@groups.io
+F: board/amlogic/odroid-n2/
+F: configs/odroid-n2_defconfig
+F: doc/board/amlogic/odroid-n2.rst
diff --git a/board/amlogic/odroid-n2/Makefile b/board/amlogic/odroid-n2/Makefile
new file mode 100644
index 0000000..68e4e2a
--- /dev/null
+++ b/board/amlogic/odroid-n2/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2020 BayLibre, SAS
+# Author: Neil Armstrong <narmstrong@baylibre.com>
+
+obj-y := odroid-n2.o
diff --git a/board/amlogic/odroid-n2/odroid-n2.c b/board/amlogic/odroid-n2/odroid-n2.c
new file mode 100644
index 0000000..caf7fd6
--- /dev/null
+++ b/board/amlogic/odroid-n2/odroid-n2.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <init.h>
+#include <net.h>
+#include <asm/io.h>
+#include <asm/arch/sm.h>
+#include <asm/arch/eth.h>
+
+#define EFUSE_MAC_OFFSET 20
+#define EFUSE_MAC_SIZE 12
+#define MAC_ADDR_LEN 6
+
+int misc_init_r(void)
+{
+ u8 mac_addr[MAC_ADDR_LEN];
+ char efuse_mac_addr[EFUSE_MAC_SIZE], tmp[3];
+ ssize_t len;
+
+ meson_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
+
+ if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
+ len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
+ efuse_mac_addr, EFUSE_MAC_SIZE);
+ if (len != EFUSE_MAC_SIZE)
+ return 0;
+
+ /* MAC is stored in ASCII format, 1bytes = 2characters */
+ for (int i = 0; i < 6; i++) {
+ tmp[0] = efuse_mac_addr[i * 2];
+ tmp[1] = efuse_mac_addr[i * 2 + 1];
+ tmp[2] = '\0';
+ mac_addr[i] = simple_strtoul(tmp, NULL, 16);
+ }
+
+ if (is_valid_ethaddr(mac_addr))
+ eth_env_set_enetaddr("ethaddr", mac_addr);
+ else
+ meson_generate_serial_ethaddr();
+ }
+
+ return 0;
+}
diff --git a/board/amlogic/w400/MAINTAINERS b/board/amlogic/w400/MAINTAINERS
index 5e837cf..a1b0ac8 100644
--- a/board/amlogic/w400/MAINTAINERS
+++ b/board/amlogic/w400/MAINTAINERS
@@ -5,8 +5,6 @@
F: board/amlogic/w400/
F: configs/khadas-vim3_defconfig
F: configs/khadas-vim3l_defconfig
-F: configs/odroid-n2_defconfig
F: doc/board/amlogic/w400.rst
F: doc/board/amlogic/khadas-vim3.rst
F: doc/board/amlogic/khadas-vim3l.rst
-F: doc/board/amlogic/odroid-n2.rst