Add Realtek DHC target rtd1xxx and its subtargets

include/target.mk

@@ -253,6 +253,7 @@ ifeq ($(DUMP),1)
     CPU_TYPE ?= generic
     CPU_CFLAGS_generic = -mcpu=generic
     CPU_CFLAGS_cortex-a53 = -mcpu=cortex-a53
+    CPU_CFLAGS_cortex-a55 = -mcpu=cortex-a55
   endif
   ifeq ($(ARCH),arc)
     CPU_TYPE ?= arc700

target/linux/rtd1xxx/Makefile

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2015-2021 Realtek Semiconductor Corp.
+
+include $(TOPDIR)/rules.mk
+
+BOARD:=rtd1xxx
+BOARDNAME:=Realtek RTD Media SoC
+FEATURES:=squashfs usb pcie
+SUBTARGETS:=rtd129x rtd1319 rtd1619b
+DEVICE_TYPE:=nas
+CFLAGS:=-O2 -pipe
+
+KERNEL_PATCHVER:=5.15
+
+define Target/Description
+	Build firmware images for Reatek RTD1xxx SoC family for NAS
+endef
+
+include $(INCLUDE_DIR)/target.mk
+
+KERNELNAME:=Image dtbs
+
+DEFAULT_PACKAGES +=e2fsprogs ethtool mkf2fs
+
+$(eval $(call BuildTarget))

target/linux/rtd1xxx/config-5.15

@@ -0,0 +1,36 @@
+CONFIG_ARCH_MMAP_RND_BITS=18
+CONFIG_ARCH_REALTEK=y
+CONFIG_ARM64_4K_PAGES=y
+CONFIG_ARM64_TAGGED_ADDR_ABI=y
+CONFIG_ARM64_VA_BITS_39=y
+CONFIG_ARM64_CRYPTO=y
+CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_COMMON_CLK_REALTEK=y
+CONFIG_COMPAT_32BIT_TIME=y
+CONFIG_HWSPINLOCK=y
+CONFIG_HWSPINLOCK_RTK=y
+CONFIG_HZ=250
+CONFIG_MFD_SYSCON=y
+CONFIG_NO_HZ=y
+CONFIG_NR_CPUS=4
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_RTD=y
+CONFIG_PREEMPT=y
+CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
+CONFIG_REALTEK_CHIP_INFO=y
+CONFIG_REALTEK_DHC_INTC=y
+CONFIG_RD_GZIP=y
+CONFIG_RD_XZ=y
+# CONFIG_RTD119X_WATCHDOG is not set
+CONFIG_SERIAL_8250_DW=y
+CONFIG_UIO=y
+CONFIG_UIO_PDRV_GENIRQ=y
+# CONFIG_UIO_DMEM_GENIRQ is not set
+# CONFIG_UIO_PRUSS is not set
+CONFIG_UNMAP_KERNEL_AT_EL0=y
+CONFIG_VMAP_STACK=y
+CONFIG_ZONE_DMA32=y

target/linux/rtd1xxx/files-5.15/arch/arm64/boot/dts/realtek/rtd129x-pinctrl.dtsi

@@ -0,0 +1,311 @@
+&cr_pinctrl {
+	pcie1_clk_pins: pcie1_clk_pins {
+		pins = "pcie_clkreq_0";
+		function = "pcie";
+	};
+
+	pcie2_clk_pins: pcie2_clk_pins {
+		pins = "pcie_clkreq_1";
+		function = "pcie";
+	};
+
+	emmc_pins: emmc_pins {
+		pins = "nf_rdy",
+			"nf_cle",
+			"nf_rd_n",
+			"nf_dd_0",
+			"nf_dd_1",
+			"nf_dd_2",
+			"nf_dd_3",
+			"nf_dd_4",
+			"nf_dd_5",
+			"nf_dd_6",
+			"nf_dd_7";
+		function = "emmc";
+	};
+
+	emmc_pins_sdr50: emmc_pins_sdr50 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x7>;
+			realtek,pdrive = <0x7>;
+		};
+
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x3>;
+			realtek,pdrive = <0x3>;
+		};
+	};
+
+	emmc_pins_ddr50: emmc_pins_ddr50 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x3>;
+			realtek,pdrive = <0x3>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x3>;
+			reattek,pdrive = <0x3>;
+		};
+	};
+
+	emmc_pins_hs200: emmc_pins_hs200 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0xb>;
+			realtek,pdrive = <0xb>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x3>;
+			realtek,pdrive = <0x3>;
+		};
+	};
+
+	emmc_pins_tune0: emmc_pins_tune0 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x0>;
+			realtek,pdrive = <0x0>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x0>;
+			realtek,pdrive = <0x0>;
+		};
+	};
+
+	emmc_pins_tune1: emmc_pins_tune1 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x1>;
+			realtek,pdrive = <0x1>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x0>;
+			realtek,pdrive = <0x0>;
+		};
+	};
+
+	emmc_pins_tune2: emmc_pins_tune2 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x2>;
+			realtek,pdrive = <0x2>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x0>;
+			realtek,pdrive = <0x0>;
+		};
+	};
+
+	emmc_pins_tune3: emmc_pins_tune3 {
+		grp1 {
+			pins = "nf_rdy",
+				"nf_cle",
+				"nf_rd_n",
+				"nf_dd_0",
+				"nf_dd_1",
+				"nf_dd_2",
+				"nf_dd_3",
+				"nf_dd_4",
+				"nf_dd_5",
+				"nf_dd_6",
+				"nf_dd_7";
+			function = "emmc";
+			realtek,ndrive = <0x3>;
+			realtek,pdrive = <0x3>;
+		};
+		grp2 {
+			pins = "emmc_dd_sb";
+			function = "emmc";
+			realtek,ndrive = <0x0>;
+			realtek,pdrive = <0x0>;
+		};
+	};
+};
+
+&iso_pinctrl {
+	i2c0_pins: i2c0-pins {
+		function = "i2c0";
+		groups = "i2c0";
+	};
+
+	i2c1_pins: i2c1-pins {
+		function = "i2c1";
+		groups = "i2c1";
+	};
+
+	i2c6_pins: i2c6-pins {
+		function = "i2c6";
+		groups = "i2c6";
+	};
+
+	uart0_pins: uart0-pins {
+		function = "uart0";
+		groups = "uart0";
+	};
+
+	uart1_pins: uart1-pins {
+		function = "uart1";
+		groups = "uart1";
+	};
+
+	uart2_0_pins: uart2-0-pins {
+		function = "uart2_0";
+		groups = "uart2_0";
+	};
+
+	uart2_1_pins: uart2-1-pins {
+		function = "uart2_1";
+		groups = "uart2_1";
+	};
+
+	etn_led_pins: etn_led_pins {
+		pins = "etn_led_link", "etn_led_rxtx";
+		function = "etn_led";
+	};
+
+	pwm0_0_pins: pwm0_0_pins {
+		pins = "iso_gpio_21";
+		function = "pwm_0";
+	};
+
+	pwm0_1_pins: pwm0_1_pins {
+		pins = "etn_led_link";
+		function = "pwm_1";
+	};
+
+	pwm1_0_pins: pwm1_0_pins {
+		pins = "iso_gpio_22";
+		function = "pwm_0";
+	};
+
+	pwm1_1_pins: pwm1_1_pins {
+		pins = "etn_led_rxtx";
+		function = "pwm_1";
+	};
+
+	pwm2_0_pins: pwm2_0_pins {
+		pins = "iso_gpio_23";
+		function = "pwm_0";
+	};
+
+	pwm2_1_pins: pwm2_1_pins {
+		pins = "nat_led_0";
+		function = "pwm_1";
+	};
+
+	pwm3_0_pins: pwm3_0_pins {
+                pins = "iso_gpio_24";
+                function = "pwm_0";
+        };
+
+	pwm3_1_pins: pwm3_1_pins {
+		pins = "nat_led_1";
+		function = "pwm_1";
+	};
+};
+
+&sb2_pinctrl {
+	i2c2_pins: i2c2-pins {
+		function = "i2c2";
+		groups = "tp1_sync", "tp1_clk";
+	};
+
+	i2c3_pins: i2c3-pins {
+		function = "i2c3";
+		groups = "tp1_data", "tp1_valid";
+	};
+
+	i2c4_pins: i2c4-pins {
+		function = "i2c4";
+		groups = "i2c_scl_4", "i2c_sda_4";
+	};
+
+	i2c5_pins: i2c5-pins {
+		function = "i2c5";
+		groups = "i2c_scl_5", "i2c_sda_5";
+	};
+
+	dc_fan_sensor_pins: dc_fan_sensor_pins {
+		pins = "gpio_9";
+		function = "dc_fan_sensor";
+	};
+};