MIPS: add BMIPS Comtrend AR-5315u board

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

arch/mips/dts/Makefile

@@ -8,6 +8,7 @@ dtb-$(CONFIG_TARGET_BOSTON) += img,boston.dtb
 dtb-$(CONFIG_TARGET_MALTA) += mti,malta.dtb
 dtb-$(CONFIG_TARGET_PIC32MZDASK) += pic32mzda_sk.dtb
 dtb-$(CONFIG_TARGET_XILFPGA) += nexys4ddr.dtb
+dtb-$(CONFIG_BOARD_COMTREND_AR5315U) += comtrend,ar-5315u.dtb
 dtb-$(CONFIG_BOARD_COMTREND_AR5387UN) += comtrend,ar-5387un.dtb
 dtb-$(CONFIG_BOARD_COMTREND_CT5361) += comtrend,ct-5361.dtb
 dtb-$(CONFIG_BOARD_COMTREND_VR3032U) += comtrend,vr-3032u.dtb

arch/mips/dts/comtrend,ar-5315u.dts

@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "brcm,bcm6318.dtsi"
+
+/ {
+	model = "Comtrend AR-5315u";
+	compatible = "comtrend,ar5315-un", "brcm,bcm6318";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&leds {
+	status = "okay";
+
+	led@0 {
+		reg = <0>;
+		active-low;
+		label = "AR-5315u:green:wps";
+	};
+
+	led@1 {
+		reg = <1>;
+		active-low;
+		label = "AR-5315u:green:power";
+	};
+
+	led@2 {
+		reg = <2>;
+		active-low;
+		label = "AR-5315u:green:usb";
+	};
+
+	led@8 {
+		reg = <8>;
+		active-low;
+		label = "AR-5315u:green:inet";
+	};
+
+	led@9 {
+		reg = <9>;
+		active-low;
+		label = "AR-5315u:red:inet";
+	};
+
+	led@10 {
+		reg = <10>;
+		active-low;
+		label = "AR-5315u:green:dsl";
+	};
+
+	led@11 {
+		reg = <11>;
+		active-low;
+		label = "AR-5315u:red:power";
+	};
+};
+
+&spi {
+	status = "okay";
+
+	spi-flash@0 {
+		compatible = "spi-flash";
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		spi-max-frequency = <62500000>;
+	};
+};
+
+&uart0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};

arch/mips/mach-bmips/Kconfig

@@ -111,6 +111,17 @@ endchoice
 choice
 	prompt "Board select"
 
+config BOARD_COMTREND_AR5315U
+	bool "Comtrend AR-5315u"
+	depends on SOC_BMIPS_BCM6318
+	select BMIPS_SUPPORTS_BOOT_RAM
+	help
+	  Comtrend AR-5315u boards have a BCM6318 SoC with 64 MB of RAM and 16
+	  MB of flash (SPI).
+	  Between its different peripherals there's an integrated switch with 4
+	  ethernet ports, 1 USB port, 1 UART, GPIO buttons and LEDs, and
+	  a BCM43217 (PCIe).
+
 config BOARD_COMTREND_AR5387UN
 	bool "Comtrend AR-5387un"
 	depends on SOC_BMIPS_BCM6328
@@ -217,6 +228,7 @@ endchoice
 config BMIPS_SUPPORTS_BOOT_RAM
 	bool
 
+source "board/comtrend/ar5315u/Kconfig"
 source "board/comtrend/ar5387un/Kconfig"
 source "board/comtrend/ct5361/Kconfig"
 source "board/comtrend/vr3032u/Kconfig"

board/comtrend/ar5315u/Kconfig

@@ -0,0 +1,12 @@
+if BOARD_COMTREND_AR5315U
+
+config SYS_BOARD
+	default "ar5315u"
+
+config SYS_VENDOR
+	default "comtrend"
+
+config SYS_CONFIG_NAME
+	default "comtrend_ar5315u"
+
+endif

board/comtrend/ar5315u/MAINTAINERS

@@ -0,0 +1,6 @@
+COMTREND AR-5315U BOARD
+M:	Álvaro Fernández Rojas <noltari@gmail.com>
+S:	Maintained
+F:	board/comtrend/ar-5315u/
+F:	include/configs/comtrend_ar5315u.h
+F:	configs/comtrend_ar5315u_ram_defconfig

board/comtrend/ar5315u/Makefile

@@ -0,0 +1,5 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += ar-5315u.o

board/comtrend/ar5315u/ar-5315u.c

@@ -0,0 +1,7 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>

configs/comtrend_ar5315u_ram_defconfig

@@ -0,0 +1,51 @@
+CONFIG_MIPS=y
+CONFIG_SYS_TEXT_BASE=0x80010000
+CONFIG_ARCH_BMIPS=y
+CONFIG_SOC_BMIPS_BCM6318=y
+# CONFIG_MIPS_BOOT_CMDLINE_LEGACY is not set
+# CONFIG_MIPS_BOOT_ENV_LEGACY is not set
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEFAULT_DEVICE_TREE="comtrend,ar-5315u"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_OF_STDOUT_VIA_ALIAS=y
+CONFIG_DISPLAY_CPUINFO=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="AR-5315un # "
+CONFIG_CMD_CPU=y
+CONFIG_CMD_LICENSE=y
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+# CONFIG_CMD_CRC32 is not set
+CONFIG_CMD_MEMINFO=y
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+# CONFIG_CMD_NET is not set
+# CONFIG_CMD_NFS is not set
+# CONFIG_CMD_MISC is not set
+# CONFIG_DM_DEVICE_REMOVE is not set
+CONFIG_DM_GPIO=y
+CONFIG_LED=y
+CONFIG_LED_BCM6328=y
+CONFIG_LED_BLINK=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_BCM6328_POWER_DOMAIN=y
+CONFIG_DM_RESET=y
+CONFIG_RESET_BCM6345=y
+# CONFIG_SPL_SERIAL_PRESENT is not set
+CONFIG_DM_SERIAL=y
+CONFIG_BCM6345_SERIAL=y
+CONFIG_DM_SPI=y
+CONFIG_BCM63XX_HSSPI=y

include/configs/comtrend_ar5315u.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <configs/bmips_common.h>
+#include <configs/bmips_bcm6318.h>
+
+#define CONFIG_REMAKE_ELF
+
+#define CONFIG_ENV_SIZE			(8 * 1024)
+
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP