boards: amlogic: add Beelink S922X board family support

Copied from Odroid N2. Add myself as maintainer.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

diff --git a/board/amlogic/beelink-s922x/MAINTAINERS b/board/amlogic/beelink-s922x/MAINTAINERS
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--- /dev/null
+++ b/board/amlogic/beelink-s922x/MAINTAINERS
@@ -0,0 +1,9 @@
+BEELINK-S922X
+M:     Christian Hewitt <christianshewitt@gmail.com>
+S:     Maintained
+L:     u-boot-amlogic@groups.io
+F:     board/amlogic/beelink-s922x/
+F:     configs/beelink-gtking_defconfig
+F:     configs/beelink-gtkingpro_defconfig
+F:     doc/board/amlogic/beelink-gtking.rst
+F:     doc/board/amlogic/beelink-gtkingpro.rst

diff --git a/board/amlogic/beelink-s922x/Makefile b/board/amlogic/beelink-s922x/Makefile
new file mode 100644 (file)
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+++ b/board/amlogic/beelink-s922x/Makefile
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+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2020 BayLibre, SAS
+# Author: Neil Armstrong <narmstrong@baylibre.com>
+
+obj-y  := beelink-s922x.o

diff --git a/board/amlogic/beelink-s922x/beelink-s922x.c b/board/amlogic/beelink-s922x/beelink-s922x.c
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+++ b/board/amlogic/beelink-s922x/beelink-s922x.c
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+// 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>
+#include <asm/arch/boot.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;
+
+       if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) &&
+           meson_get_soc_rev(tmp, sizeof(tmp)) > 0)
+               env_set("soc_rev", tmp);
+
+       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;
+}