[PATCH 2/2] MIPS: NI 169445 board support

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Support the National Instruments 169445 board.

Signed-off-by: Nathan Sullivan <nathan.sullivan@xxxxxx>
---
 Documentation/devicetree/bindings/mips/ni.txt   |   7 ++
 arch/mips/boot/dts/Makefile                     |   1 +
 arch/mips/boot/dts/ni/169445.dts                | 101 ++++++++++++++++++++
 arch/mips/boot/dts/ni/Makefile                  |   7 ++
 arch/mips/configs/generic/board-ni169445.config | 117 ++++++++++++++++++++++++
 arch/mips/generic/Kconfig                       |   6 ++
 arch/mips/generic/vmlinux.its.S                 |  25 +++++
 7 files changed, 264 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mips/ni.txt
 create mode 100644 arch/mips/boot/dts/ni/169445.dts
 create mode 100644 arch/mips/boot/dts/ni/Makefile
 create mode 100644 arch/mips/configs/generic/board-ni169445.config

diff --git a/Documentation/devicetree/bindings/mips/ni.txt b/Documentation/devicetree/bindings/mips/ni.txt
new file mode 100644
index 0000000..722bf2d
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/ni.txt
@@ -0,0 +1,7 @@
+National Instruments MIPS platforms
+
+required root node properties:
+	- compatible: must be "ni,169445"
+
+CPU Nodes
+	- compatible: must be "mti,mips14KEc"
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index b9db492..27b0f37 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -4,6 +4,7 @@ dts-dirs	+= img
 dts-dirs	+= ingenic
 dts-dirs	+= lantiq
 dts-dirs	+= mti
+dts-dirs	+= ni
 dts-dirs	+= netlogic
 dts-dirs	+= pic32
 dts-dirs	+= qca
diff --git a/arch/mips/boot/dts/ni/169445.dts b/arch/mips/boot/dts/ni/169445.dts
new file mode 100644
index 0000000..58e74b5
--- /dev/null
+++ b/arch/mips/boot/dts/ni/169445.dts
@@ -0,0 +1,101 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+	compatible = "ni,169445";
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mti,mips14KEc";
+			clocks = <&baseclk>;
+			reg = <0>;
+		};
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x10000000>;
+	};
+
+	baseclk: baseclock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <50000000>;
+	};
+
+	cpu_intc: cpu_intc {
+		#address-cells = <0>;
+		compatible = "mti,cpu-interrupt-controller";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+	};
+
+	ahb@0 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x1f300000 0x80FFF>;
+
+		gpio1:gpio-controller@1f300010 {
+			compatible = "ni,169445-nand-gpio";
+			reg = <0x10 0x4>;
+			reg-names = "dat";
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <5>;
+		};
+
+		gpio2:gpio-controller@1f300014 {
+			compatible = "ni,169445-nand-gpio";
+			reg = <0x14 0x4>;
+			reg-names = "dat";
+			gpio-controller;
+			#gpio-cells = <2>;
+			ngpios = <1>;
+		};
+
+		nand@1f300000 {
+			compatible = "gpio-control-nand";
+			nand-on-flash-bbt;
+			nand-ecc-mode = "soft_bch";
+			nand-ecc-step-size = <512>;
+			nand-ecc-strength = <4>;
+			reg = <0x0 4>;
+			gpios = <&gpio2 0 0>, /* rdy */
+				<&gpio1 1 0>, /* nce */
+				<&gpio1 2 0>, /* ale */
+				<&gpio1 3 0>, /* cle */
+				<&gpio1 4 0>; /* nwp */
+		};
+
+		serial@1f380000 {
+			compatible = "ns16550a";
+			reg = <0x80000 0x1000>;
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <6>;
+			clocks = <&baseclk>;
+			reg-shift = <0>;
+		};
+
+		ethernet@1f340000 {
+			compatible = "snps,dwmac-4.10a";
+			interrupt-parent = <&cpu_intc>;
+			interrupts = <5>;
+			interrupt-names = "macirq";
+			reg = <0x40000 0x2000>;
+			clock-names = "stmmaceth", "pclk";
+			clocks = <&baseclk>, <&baseclk>;
+
+			phy-mode = "rgmii";
+
+			fixed-link {
+				speed = <1000>;
+				full-duplex;
+			};
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/ni/Makefile b/arch/mips/boot/dts/ni/Makefile
new file mode 100644
index 0000000..66cfdff
--- /dev/null
+++ b/arch/mips/boot/dts/ni/Makefile
@@ -0,0 +1,7 @@
+dtb-$(CONFIG_FIT_IMAGE_FDT_NI169445)	+= 169445.dtb
+
+# Force kbuild to make empty built-in.o if necessary
+obj-					+= dummy.o
+
+always					:= $(dtb-y)
+clean-files				:= *.dtb *.dtb.S
diff --git a/arch/mips/configs/generic/board-ni169445.config b/arch/mips/configs/generic/board-ni169445.config
new file mode 100644
index 0000000..2c950a8
--- /dev/null
+++ b/arch/mips/configs/generic/board-ni169445.config
@@ -0,0 +1,117 @@
+CONFIG_MIPS_GENERIC=y
+CONFIG_FIT_IMAGE_FDT_NI169445=y
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPU_MIPS32_R2=y
+CONFIG_HZ_100=y
+CONFIG_MIPS_CMDLINE_FROM_BOOTLOADER=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_HZ_PERIODIC=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=15
+CONFIG_BPF_SYSCALL=y
+# CONFIG_SHMEM is not set
+CONFIG_USERFAULTFD=y
+CONFIG_EMBEDDED=y
+# CONFIG_COMPAT_BRK is not set
+CONFIG_SLAB=y
+CONFIG_PROFILING=y
+CONFIG_CC_STACKPROTECTOR_REGULAR=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_SUSPEND is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET6_XFRM_MODE_TUNNEL is not set
+CONFIG_NETFILTER=y
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_IP6_NF_FILTER=y
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_BLOCK_RO=y
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ECC_BCH=y
+CONFIG_MTD_NAND_GPIO=y
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_BLOCK=y
+# CONFIG_BLK_DEV is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_ALACRITECH is not set
+# CONFIG_NET_VENDOR_AMAZON is not set
+# CONFIG_NET_VENDOR_AQUANTIA is not set
+# CONFIG_NET_VENDOR_ARC is not set
+# CONFIG_NET_CADENCE is not set
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_EZCHIP is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_NETRONOME is not set
+# CONFIG_NET_VENDOR_QUALCOMM is not set
+# CONFIG_NET_VENDOR_RENESAS is not set
+# CONFIG_NET_VENDOR_ROCKER is not set
+# CONFIG_NET_VENDOR_SAMSUNG is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SOLARFLARE is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+CONFIG_STMMAC_ETH=y
+CONFIG_DWMAC_DWC_QOS_ETH=y
+# CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_NET_VENDOR_XILINX is not set
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+CONFIG_LEGACY_PTY_COUNT=32
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_NR_UARTS=2
+CONFIG_SERIAL_8250_RUNTIME_UARTS=2
+CONFIG_SERIAL_OF_PLATFORM=y
+# CONFIG_PTP_1588_CLOCK is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_GENERIC_PLATFORM=y
+# CONFIG_HWMON is not set
+# CONFIG_HID is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MIPS_PLATFORM_DEVICES is not set
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_FANOTIFY=y
+CONFIG_UBIFS_FS=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XATTR=y
+# CONFIG_SQUASHFS_ZLIB is not set
+CONFIG_SQUASHFS_LZO=y
+# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_REDUCED=y
+CONFIG_DEBUG_FS=y
+# CONFIG_SCHED_DEBUG is not set
+CONFIG_RCU_TRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_CRYPTO_ECHAINIV is not set
+# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/generic/Kconfig b/arch/mips/generic/Kconfig
index a606b3f..fbf0813 100644
--- a/arch/mips/generic/Kconfig
+++ b/arch/mips/generic/Kconfig
@@ -16,4 +16,10 @@ config LEGACY_BOARD_SEAD3
 	  Enable this to include support for booting on MIPS SEAD-3 FPGA-based
 	  development boards, which boot using a legacy boot protocol.
 
+config FIT_IMAGE_FDT_NI169445
+	bool "Include FDT for NI 169445"
+	help
+	  Enable this to include the FDT for the 169445 platform from
+	  National Instruments in the FIT kernel image.
+
 endif
diff --git a/arch/mips/generic/vmlinux.its.S b/arch/mips/generic/vmlinux.its.S
index f67fbf1..de851f7 100644
--- a/arch/mips/generic/vmlinux.its.S
+++ b/arch/mips/generic/vmlinux.its.S
@@ -29,3 +29,28 @@
 		};
 	};
 };
+
+#ifdef CONFIG_FIT_IMAGE_FDT_NI169445
+/ {
+	images {
+		fdt@ni169445 {
+			description = "NI 169445 device tree";
+			data = /incbin/("boot/dts/ni/169445.dtb");
+			type = "flat_dt";
+			arch = "mips";
+			compression = "none";
+			hash@0 {
+				algo = "sha1";
+			};
+		};
+	};
+
+	configurations {
+		conf@ni169445 {
+			description = "NI 169445 Linux Kernel";
+			kernel = "kernel@0";
+			fdt = "fdt@ni169445";
+		};
+	};
+};
+#endif
-- 
2.1.4

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