mips: mtmips: add two reference boards for mt7620

The mt7620_rfb board supports integrated 10/100M PHYs plus two external
giga PHYs. It also has 8MB SPI-NOR, mini PCI-e x1 slot, SDHC and USB.

The mt7620_mt7530_rfb boards supports an external MT7530 giga switch and a
16MB SPI-NOR flash.

Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

10 files changed, 380 insertions, 0 deletions

diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile
index e82f96d..7c42923 100644
--- a/arch/mips/dts/Makefile
+++ b/arch/mips/dts/Makefile
@@ -14,6 +14,8 @@ dtb-$(CONFIG_BOARD_COMTREND_CT5361) += comtrend,ct-5361.dtb
 dtb-$(CONFIG_BOARD_COMTREND_VR3032U) += comtrend,vr-3032u.dtb
 dtb-$(CONFIG_BOARD_COMTREND_WAP5813N) += comtrend,wap-5813n.dtb
 dtb-$(CONFIG_BOARD_HUAWEI_HG556A) += huawei,hg556a.dtb
+dtb-$(CONFIG_BOARD_MT7620_RFB) += mediatek,mt7620-rfb.dtb
+dtb-$(CONFIG_BOARD_MT7620_MT7530_RFB) += mediatek,mt7620-mt7530-rfb.dtb
 dtb-$(CONFIG_BOARD_MT7628_RFB) += mediatek,mt7628-rfb.dtb
 dtb-$(CONFIG_BOARD_GARDENA_SMART_GATEWAY_MT7688) += gardena-smart-gateway-mt7688.dtb
 dtb-$(CONFIG_BOARD_LINKIT_SMART_7688) += linkit-smart-7688.dtb
diff --git a/arch/mips/dts/mediatek,mt7620-mt7530-rfb.dts b/arch/mips/dts/mediatek,mt7620-mt7530-rfb.dts
new file mode 100644
index 0000000..8bc3b16
--- /dev/null
+++ b/arch/mips/dts/mediatek,mt7620-mt7530-rfb.dts
@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "mt7620.dtsi"
+
+/ {
+	compatible = "mediatek,mt7620-mt7530-rfb", "mediatek,mt7620-soc";
+	model = "MediaTek MT7620-MT7530 RFB (MTKC712)";
+
+	aliases {
+		serial0 = &uartlite;
+		spi0 = &spi0;
+	};
+
+	chosen {
+		stdout-path = &uartlite;
+	};
+};
+
+&uartlite {
+	status = "okay";
+};
+
+&pinctrl {
+	state_default: pin_state {
+		pleds {
+			groups = "ephy led", "wled";
+			function = "led";
+		};
+
+		gpios {
+			groups = "pa", "uartf";
+			function = "gpio";
+		};
+	};
+
+	gsw_pins: gsw_pins {
+		mdio {
+			groups = "mdio";
+			function = "mdio";
+		};
+
+		rgmii1 {
+			groups = "rgmii1";
+			function = "rgmii1";
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+	num-cs = <2>;
+
+	spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <25000000>;
+		reg = <0>;
+	};
+};
+
+&gpio0 {
+	pa0_pull_low {
+		gpio-hog;
+		output-low;
+		gpios = <20 GPIO_ACTIVE_HIGH>;
+	};
+
+	pa1_pull_low {
+		gpio-hog;
+		output-low;
+		gpios = <21 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&eth {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&gsw_pins>;
+
+	port5 {
+		phy-mode = "rgmii";
+		phy-addr = <5>;
+		fixed-link {
+			full-duplex;
+			speed = <1000>;
+			mediatek,mt7530;
+			mediatek,mt7530-reset = <&gpio0 10 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
diff --git a/arch/mips/dts/mediatek,mt7620-rfb.dts b/arch/mips/dts/mediatek,mt7620-rfb.dts
new file mode 100644
index 0000000..616903e
--- /dev/null
+++ b/arch/mips/dts/mediatek,mt7620-rfb.dts
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "mt7620.dtsi"
+
+/ {
+	compatible = "mediatek,mt7620-rfb", "mediatek,mt7620-soc";
+	model = "MediaTek MT7620 RFB (WS2120)";
+
+	aliases {
+		serial0 = &uartlite;
+		spi0 = &spi0;
+	};
+
+	chosen {
+		stdout-path = &uartlite;
+	};
+};
+
+&uartlite {
+	status = "okay";
+};
+
+&pinctrl {
+	state_default: pin_state {
+		pleds {
+			groups = "ephy led", "wled";
+			function = "led";
+		};
+
+		gpios {
+			groups = "uartf";
+			function = "gpio";
+		};
+	};
+
+	gsw_pins: gsw_pins {
+		mdio {
+			groups = "mdio";
+			function = "mdio";
+		};
+
+		rgmii1 {
+			groups = "rgmii1";
+			function = "rgmii1";
+		};
+
+		rgmii2 {
+			groups = "rgmii2";
+			function = "rgmii2";
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+	num-cs = <2>;
+
+	spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <25000000>;
+		reg = <0>;
+	};
+};
+
+&eth {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&gsw_pins>;
+
+	port4 {
+		phy-mode = "rgmii";
+		phy-addr = <4>;
+	};
+
+	port5 {
+		phy-mode = "rgmii";
+		phy-addr = <5>;
+	};
+};
+
+&mmc {
+	bus-width = <4>;
+	cap-sd-highspeed;
+
+	status = "okay";
+};
diff --git a/arch/mips/mach-mtmips/mt7620/Kconfig b/arch/mips/mach-mtmips/mt7620/Kconfig
index aa7cf1d..5db83eb 100644
--- a/arch/mips/mach-mtmips/mt7620/Kconfig
+++ b/arch/mips/mach-mtmips/mt7620/Kconfig
@@ -7,6 +7,21 @@ config DEBUG_UART_BOARD_INIT
 choice
 	prompt "Board select"
 
+config BOARD_MT7620_RFB
+	bool "MediaTek MT7620 RFB"
+	help
+	  The reference design of MT7620A (WS2120). The board has 64 MiB DDR2,
+	  8 MiB SPI-NOR flash, 1 built-in 6 port switch (two GE PHYs and five
+	  FE PHYs,one port can be configured to use either FE PHY or GE PHY),
+	  1 UART, 1 USB host, 1 SDXC, 1 PCIe socket and JTAG pins.
+
+config BOARD_MT7620_MT7530_RFB
+	bool "MediaTek MT7620-MT7530 RFB"
+	help
+	  The reference design of MT7620DA (MTKC712). The board has 64 MiB
+	  intergrated DDR2 KGD, 16 MiB SPI-NOR flash, an external 5-port giga
+	  switch MT7530 and 1 UART.
+
 endchoice
 
 choice
@@ -51,4 +66,6 @@ config CPU_FREQ_MULTI
 	default 6 if CPU_FREQ_600MHZ
 	default 7 if CPU_FREQ_620MHZ
 
+source "board/mediatek/mt7620/Kconfig"
+
 endif
diff --git a/board/mediatek/mt7620/Kconfig b/board/mediatek/mt7620/Kconfig
new file mode 100644
index 0000000..b9137ad
--- /dev/null
+++ b/board/mediatek/mt7620/Kconfig
@@ -0,0 +1,12 @@
+if BOARD_MT7620_RFB || BOARD_MT7620_MT7530_RFB
+
+config SYS_BOARD
+	default "mt7620"
+
+config SYS_VENDOR
+	default "mediatek"
+
+config SYS_CONFIG_NAME
+	default "mt7620"
+
+endif
diff --git a/board/mediatek/mt7620/MAINTAINERS b/board/mediatek/mt7620/MAINTAINERS
new file mode 100644
index 0000000..05db777
--- /dev/null
+++ b/board/mediatek/mt7620/MAINTAINERS
@@ -0,0 +1,9 @@
+MT7620_RFB BOARD
+M:	Weijie Gao <weijie.gao@mediatek.com>
+S:	Maintained
+F:	board/mediatek/mt7620
+F:	include/configs/mt7620.h
+F:	configs/mt7620_rfb_defconfig
+F:	configs/mt7620_mt7530_rfb_defconfig
+F:	arch/mips/dts/mediatek,mt7620-rfb.dts
+F:	arch/mips/dts/mediatek,mt7620-mt7530-rfb.dts
diff --git a/board/mediatek/mt7620/Makefile b/board/mediatek/mt7620/Makefile
new file mode 100644
index 0000000..db129c5
--- /dev/null
+++ b/board/mediatek/mt7620/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += board.o
diff --git a/board/mediatek/mt7620/board.c b/board/mediatek/mt7620/board.c
new file mode 100644
index 0000000..119b8fc
--- /dev/null
+++ b/board/mediatek/mt7620/board.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
diff --git a/configs/mt7620_mt7530_rfb_defconfig b/configs/mt7620_mt7530_rfb_defconfig
new file mode 100644
index 0000000..341d868
--- /dev/null
+++ b/configs/mt7620_mt7530_rfb_defconfig
@@ -0,0 +1,58 @@
+CONFIG_MIPS=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x1000
+CONFIG_ENV_OFFSET=0x30000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x40000
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BASE=0xb0000c00
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_ARCH_MTMIPS=y
+CONFIG_BOARD_MT7620_MT7530_RFB=y
+CONFIG_DEFAULT_DEVICE_TREE="mediatek,mt7620-mt7530-rfb"
+CONFIG_RESTORE_EXCEPTION_VECTOR_BASE=y
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_NOR_SUPPORT=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_DM is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_SPI=y
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_MII=y
+# CONFIG_CMD_MDIO is not set
+# CONFIG_PARTITIONS is not set
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clocks clock-names interrupt-parent interrupts resets reset-names"
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM=y
+# CONFIG_SIMPLE_BUS is not set
+# CONFIG_SPL_SIMPLE_BUS is not set
+CONFIG_GPIO_HOG=y
+# CONFIG_INPUT is not set
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_ISSI=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_MT7620_ETH=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SPI=y
+CONFIG_MT7620_SPI=y
+CONFIG_LZMA=y
+CONFIG_SPL_LZMA=y
diff --git a/configs/mt7620_rfb_defconfig b/configs/mt7620_rfb_defconfig
new file mode 100644
index 0000000..9829371
--- /dev/null
+++ b/configs/mt7620_rfb_defconfig
@@ -0,0 +1,76 @@
+CONFIG_MIPS=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x1000
+CONFIG_ENV_OFFSET=0x30000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x40000
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BASE=0xb0000c00
+CONFIG_DEBUG_UART_CLOCK=40000000
+CONFIG_ARCH_MTMIPS=y
+CONFIG_DEFAULT_DEVICE_TREE="mediatek,mt7620-rfb"
+CONFIG_RESTORE_EXCEPTION_VECTOR_BASE=y
+CONFIG_MIPS_BOOT_FDT=y
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_NOR_SUPPORT=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_DM is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_MII=y
+# CONFIG_CMD_MDIO is not set
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+# CONFIG_SPL_DOS_PARTITION is not set
+# CONFIG_ISO_PARTITION is not set
+CONFIG_EFI_PARTITION=y
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clocks clock-names interrupt-parent interrupts resets reset-names"
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM=y
+# CONFIG_SIMPLE_BUS is not set
+# CONFIG_SPL_SIMPLE_BUS is not set
+# CONFIG_SPL_BLK is not set
+CONFIG_GPIO_HOG=y
+# CONFIG_INPUT is not set
+CONFIG_MMC=y
+CONFIG_DM_MMC=y
+# CONFIG_MMC_QUIRKS is not set
+# CONFIG_MMC_HW_PARTITIONING is not set
+CONFIG_MMC_MTK=y
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_ISSI=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_MT7620_ETH=y
+CONFIG_PHY=y
+CONFIG_MT7620_USB_PHY=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SPI=y
+CONFIG_MT7620_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_LZMA=y
+CONFIG_SPL_LZMA=y