ARM: amlogic: add JetHub D1/H1 device support

Add support for new home automation devices.

JetHome Jethub D1 (http://jethome.ru/jethub-d1) is a home automation controller with the following features:
- DIN Rail Mounting case
- Amlogic A113X (ARM Cortex-A53) quad-core up to 1.5GHz
- no video out
- 512Mb/1GB DDR3
- 8/16GB eMMC flash
- 1 x USB 2.0
- 1 x 10/100Mbps ethernet
- WiFi / Bluetooth AMPAK AP6255 (Broadcom BCM43455) IEEE 802.11a/b/g/n/ac, Bluetooth 4.2.
- TI CC2538 + CC2592 Zigbee Wireless Module with up to 20dBm output power and Zigbee 3.0 support.
- 2 x gpio LEDS
- GPIO user Button
- 1 x 1-Wire
- 2 x RS-485
- 4 x dry contact digital GPIO inputs
- 3 x relay GPIO outputs
- DC source with a voltage of 9 to 56 V / Passive POE

JetHome Jethub H1 (http://jethome.ru/jethub-h1) is a home automation controller with the following features:
- Square plastic case
- Amlogic S905W (ARM Cortex-A53) quad-core up to 1.5GHz
- no video out
- 1GB DDR3
- 8/16GB eMMC flash
- 2 x USB 2.0
- 1 x 10/100Mbps ethernet
- WiFi / Bluetooth RTL8822CS IEEE 802.11a/b/g/n/ac, Bluetooth 5.0.
- TI CC2538 + CC2592 Zigbee Wireless Module with up to 20dBm output power and Zigbee 3.0 support.
- MicroSD 2.x/3.x/4.x DS/HS cards.
- 1 x gpio LED
- ADC user Button
- DC source 5V microUSB with serial console

Patches from:
- JetHub H1
  https://lore.kernel.org/r/20210915085715.1134940-4-adeep@lexina.in
  https://git.kernel.org/amlogic/c/abfaae24ecf3e7f00508b60fa05e2b6789b8f607
- JetHub D1
  https://lore.kernel.org/r/20210915085715.1134940-5-adeep@lexina.in
  https://git.kernel.org/amlogic/c/8e279fb2903990cc6296ec56b3b80b2f854b6c79

Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
[narmstrong: removed unused variable value]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

3 files changed, 82 insertions, 0 deletions

diff --git a/board/amlogic/jethub-j80/MAINTAINERS b/board/amlogic/jethub-j80/MAINTAINERS
new file mode 100644
index 00000000000..459e9f89daa
--- /dev/null
+++ b/board/amlogic/jethub-j80/MAINTAINERS
@@ -0,0 +1,9 @@
+JetHome JetHub
+M:	Vyacheslav Bocharov <adeep@lexina.in>
+S:	Maintained
+L:	u-boot-amlogic@groups.io
+F:	board/amlogic/jethub-j80/
+F:	configs/jethub_j80_defconfig
+F:	configs/jethub_j100_defconfig
+F:	doc/board/amlogic/jethub-j80.rst
+F:	doc/board/amlogic/jethub-j100.rst
diff --git a/board/amlogic/jethub-j80/Makefile b/board/amlogic/jethub-j80/Makefile
new file mode 100644
index 00000000000..a727a4b2226
--- /dev/null
+++ b/board/amlogic/jethub-j80/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2021 Vyacheslav Bocharov
+# Author: Vyacheslav Bocharov <adeep@lexina.in>
+
+obj-y	:= jethub-j80.o
diff --git a/board/amlogic/jethub-j80/jethub-j80.c b/board/amlogic/jethub-j80/jethub-j80.c
new file mode 100644
index 00000000000..185880de139
--- /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;
+}