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openwrt/package/boot/uboot-mediatek/patches/020-add-linksys-e8450.patch
Daniel Golle ed50004319 uboot-mediatek: add support for Linksys E8450 
Build U-Boot for the Linksys E8450 in order to have support for UBI.
The loader has a default environment with scripts handling the reset
button as well as fall-back to recovery firmware. If the loader comes
up without a valid environment found in UBI, it will automatically
make sure UBI is formatted and create a new environment and proceed
to load recovery firmware (either from UBI or via TFTP if recovery is
corrupted or unavailable).

If the button is held down during power-on, the yellow status LED
turns on and the bootloader environment is reset to factory defaults.
If the button is released at this point, the recovery firmware (if
existing) is loaded from UBI and booted.
If the button is continously held down even beyond the point that
the yellow LED turned on, the loader will try to load the recovery
firmware via TFTP from server 192.168.1.254, write it to UBI and
boot.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2021-02-28 01:23:48 +00:00

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--- /dev/null
+++ b/configs/mt7622_linksys_e8450_defconfig
@@ -0,0 +1,130 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x41e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_USE_DEFAULT_ENV_FILE=y
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_BOOTP_SEND_HOSTNAME=y
+CONFIG_DEFAULT_ENV_FILE="linksys_e8450_env"
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEFAULT_DEVICE_TREE="mt7622-linksys-e8450-ubi"
+CONFIG_SMBIOS_PRODUCT_NAME=""
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_BOOTDELAY=30
+CONFIG_AUTOBOOT_MENU_SHOW=y
+CONFIG_CFB_CONSOLE_ANSI=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
+CONFIG_CMD_ENV_FLAGS=y
+CONFIG_FIT=y
+CONFIG_FIT_ENABLE_SHA256_SUPPORT=y
+CONFIG_LED=y
+CONFIG_LED_BLINK=y
+CONFIG_LED_GPIO=y
+CONFIG_LOGLEVEL=7
+CONFIG_LOG=y
+CONFIG_DEFAULT_FDT_FILE="mt7622-linksys-e8450"
+CONFIG_SYS_PROMPT="MT7622> "
+CONFIG_CMD_BOOTMENU=y
+CONFIG_CMD_BOOTP=y
+CONFIG_CMD_BUTTON=y
+CONFIG_CMD_CDP=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_DNS=y
+CONFIG_CMD_ECHO=y
+CONFIG_CMD_ENV_READMEM=y
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_HASH=y
+CONFIG_CMD_ITEST=y
+CONFIG_CMD_LED=y
+CONFIG_CMD_LICENSE=y
+CONFIG_CMD_LINK_LOCAL=y
+CONFIG_CMD_MBR=y
+CONFIG_CMD_MTD=y
+CONFIG_CMD_MTDPART=y
+CONFIG_CMD_NAND=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_PXE=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_TFTPBOOT=y
+CONFIG_CMD_TFTPSRV=y
+CONFIG_CMD_UBI=y
+CONFIG_CMD_UBI_RENAME=y
+CONFIG_CMD_UBIFS=y
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_PSTORE=y
+CONFIG_CMD_RARP=y
+CONFIG_CMD_SETEXPR=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_SOURCE=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_UUID=y
+CONFIG_DISPLAY_CPUINFO=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_USB=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_IS_IN_UBI=y
+CONFIG_ENV_UBI_PART="ubi"
+CONFIG_ENV_UBI_VOLUME="ubootenv"
+CONFIG_ENV_UBI_VOLUME_REDUND="ubootenv2"
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_VERSION_VARIABLE=y
+CONFIG_PARTITION_UUIDS=y
+CONFIG_NETCONSOLE=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_DM_MTD=y
+CONFIG_PHY_FIXED=y
+CONFIG_DM_ETH=y
+CONFIG_MEDIATEK_ETH=y
+CONFIG_PCI=y
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_MTD_UBI_FASTMAP=y
+CONFIG_DM_PCI=y
+CONFIG_PCIE_MEDIATEK=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7622=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_PRE_CONSOLE_BUFFER=y
+CONFIG_PRE_CON_BUF_ADDR=0x4007EF00
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_RAM=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MTK_SNFI_SPI=y
+CONFIG_MTK_SPI_NAND=y
+CONFIG_NAND_SUPPORT=y
+CONFIG_SYSRESET_WATCHDOG=y
+CONFIG_TIMER=y
+CONFIG_MTK_TIMER=y
+CONFIG_WDT_MTK=y
+CONFIG_LZO=y
+CONFIG_ZSTD=y
+CONFIG_HEXDUMP=y
+CONFIG_RANDOM_UUID=y
+CONFIG_REGEX=y
+CONFIG_USB=y
+CONFIG_USB_HOST=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_MTK=y
+CONFIG_USB_STORAGE=y
--- /dev/null
+++ b/arch/arm/dts/mt7622-linksys-e8450-ubi.dts
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7622.dtsi"
+#include "mt7622-u-boot.dtsi"
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "mt7622-linksys-e8450-ubi";
+ compatible = "mediatek,mt7622", "linksys,e8450-ubi";
+ chosen {
+ stdout-path = &uart0;
+ tick-timer = &timer0;
+ };
+
+ aliases {
+ spi0 = &snfi;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ factory {
+ label = "reset";
+ gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+ };
+
+ wps {
+ label = "wps";
+ gpios = <&gpio 102 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ led_power: power_blue {
+ label = "power:blue";
+ gpios = <&gpio 95 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+
+ power_orange {
+ label = "power:orange";
+ gpios = <&gpio 96 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ inet_blue {
+ label = "inet:blue";
+ gpios = <&gpio 97 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ inet_orange {
+ label = "inet:orange";
+ gpios = <&gpio 98 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ };
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0x40000000 0x20000000>;
+ };
+
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_5v: regulator-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&pcie {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_pins>, <&pcie1_pins>;
+ status = "okay";
+
+ pcie@0,0 {
+ status = "okay";
+ };
+
+ pcie@1,0 {
+ status = "okay";
+ };
+};
+
+&pinctrl {
+ pcie0_pins: pcie0-pins {
+ mux {
+ function = "pcie";
+ groups = "pcie0_pad_perst",
+ "pcie0_1_waken",
+ "pcie0_1_clkreq";
+ };
+ };
+
+ pcie1_pins: pcie1-pins {
+ mux {
+ function = "pcie";
+ groups = "pcie1_pad_perst",
+ "pcie1_0_waken",
+ "pcie1_0_clkreq";
+ };
+ };
+
+ snfi_pins: snfi-pins {
+ mux {
+ function = "flash";
+ groups = "snfi";
+ };
+ };
+
+ uart0_pins: uart0 {
+ mux {
+ function = "uart";
+ groups = "uart0_0_tx_rx" ;
+ };
+ };
+
+ watchdog_pins: watchdog-default {
+ mux {
+ function = "watchdog";
+ groups = "watchdog";
+ };
+ };
+};
+
+&snfi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&snfi_pins>;
+ status = "okay";
+
+ mediatek,bmt-v2;
+
+ spi-flash@0{
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ u-boot,dm-pre-reloc;
+ };
+};
+
+&nandc {
+ status = "okay";
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+};
+
+&watchdog {
+ pinctrl-names = "default";
+ pinctrl-0 = <&watchdog_pins>;
+ status = "okay";
+};
+
+&eth {
+ status = "okay";
+ mediatek,gmac-id = <0>;
+ phy-mode = "sgmii";
+ mediatek,switch = "mt7531";
+ reset-gpios = <&gpio 54 GPIO_ACTIVE_HIGH>;
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+};
+
+&ssusb {
+ vusb33-supply = <&reg_3p3v>;
+ vbus-supply = <&reg_5v>;
+ status = "okay";
+};
+
+&u3phy {
+ status = "okay";
+};
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -963,6 +963,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
mt7622-rfb.dtb \
mt7623a-unielec-u7623-02-emmc.dtb \
mt7622-bananapi-bpi-r64.dtb \
+ mt7622-linksys-e8450-ubi.dtb \
mt7623n-bananapi-bpi-r2.dtb \
mt7629-rfb.dtb \
mt8512-bm1-emmc.dtb \
--- a/drivers/mtd/nandx/core/nand/device_spi.c
+++ b/drivers/mtd/nandx/core/nand/device_spi.c
@@ -150,6 +150,21 @@ static struct device_spi spi_nand[] = {
&spi_extend_cmds, 0xff, 0xff
},
{
+ NAND_DEVICE("FM35X1GA",
+ NAND_PACK_ID(0xe5, 0x71, 0, 0, 0, 0, 0, 0),
+ 2, 0, 3, 3,
+ 1, 1, 1, 1024, KB(128), KB(2), 64, 1,
+ &spi_cmds, &spi_addressing, &spi_status[0],
+ &spi_endurance, &spi_array_timing),
+ {
+ NAND_SPI_PROTECT(0xa0, 1, 2, 6),
+ NAND_SPI_CONFIG(0xb0, 4, 6, 1),
+ NAND_SPI_STATUS(0xc0, 4, 5),
+ NAND_SPI_CHARACTER(0xff, 0xff, 0xff, 0xff)
+ },
+ &spi_extend_cmds, 0xff, 0xff
+ },
+ {
NAND_DEVICE("NO-DEVICE",
NAND_PACK_ID(0, 0, 0, 0, 0, 0, 0, 0), 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1,
--- /dev/null
+++ b/linksys_e8450_env
@@ -0,0 +1,57 @@
+mtdparts=nand0:512k(bl2),1280k(fip),1024k(factory),256k(reserved),-(ubi)
+ethaddr_factory=nand read 0x40080000 0x220000 0x20000 && env readmem -b ethaddr 0x4009fff4 0x6 ; setenv ethaddr_factory
+ipaddr=192.168.1.1
+serverip=192.168.1.254
+loadaddr=0x4007ff28
+bootcmd=run boot_ubi
+bootdelay=0
+bootfile=openwrt-mediatek-mt7622-linksys_e8450-ubi-initramfs-recovery.itb
+bootfile_bl2=openwrt-mediatek-mt7622-linksys_e8450-ubi-preloader.bin
+bootfile_fip=openwrt-mediatek-mt7622-linksys_e8450-ubi-bl31-uboot.fip
+bootfile_upg=openwrt-mediatek-mt7622-linksys_e8450-ubi-squashfs-sysupgrade.itb
+bootmenu_confirm_return=askenv - Press ENTER to return to menu ; bootmenu
+bootmenu_default=0
+bootmenu_delay=0
+bootmenu_title= ( ( ( OpenWrt ) ) )
+bootmenu_0=0. Initialize environment.=run _firstboot
+bootmenu_0d=0. Run default boot command.=run boot_default
+bootmenu_1=1. Boot system via TFTP.=run boot_tftp ; run bootmenu_confirm_return
+bootmenu_3=2. Boot production system from flash.=run boot_production ; run bootmenu_confirm_return
+bootmenu_2=3. Boot recovery system from flash.=run boot_recovery ; run bootmenu_confirm_return
+bootmenu_5=4. Load production system via TFTP then write to flash.=setenv noboot 1 ; run boot_tftp_production ; setenv noboot ; run bootmenu_confirm_return
+bootmenu_4=5. Load recovery system via TFTP then write to flash.=setenv noboot 1 ; run boot_tftp_recovery ; setenv noboot ; run bootmenu_confirm_return
+bootmenu_6=6. Load BL31+U-Boot FIP via TFTP then write to flash.=run boot_tftp_write_fip ; run bootmenu_confirm_return
+bootmenu_7=7. Load BL2 preloader via TFTP then write to flash.=run boot_tftp_write_preloader ; run bootmenu_confirm_return
+bootmenu_8=8. Reboot.=reset
+bootmenu_9=9. Reset all settings to factory defaults.=run reset_factory ; reset
+boot_first=if button reset ; then run boot_tftp_forever ; fi ; setenv flag_recover 1 ; bootmenu
+boot_default=if env exists flag_recover ; then else run bootcmd ; fi ; run boot_recovery ; run boot_tftp_forever
+boot_production=led power:blue on ; run ubi_read_production && bootm $loadaddr
+boot_production_or_recovery=run boot_production ; run boot_recovery
+boot_recovery=led power:blue off ; led power:orange on ; run check_recovery
+boot_serial_write_fip=loadx $loadaddr 115200 && run boot_write_fip
+boot_serial_write_preloader=loadx $loadaddr 115200 && run boot_write_preloader
+boot_tftp_forever=led inet:blue on ; while true ; do run boot_tftp_recovery ; led inet:blue off ; led inet:orange on ; sleep 1 ; done
+boot_tftp_production=tftpboot $loadaddr $bootfile_upg && iminfo $loadaddr && ubi part ubi && run ubi_write_production ubi_prepare_rootfs ; if env exists noboot ; then else bootm $loadaddr ; fi
+boot_tftp_recovery=tftpboot $loadaddr $bootfile && iminfo $loadaddr && ubi part ubi && run ubi_write_recovery ; if env exists noboot ; then else bootm $loadaddr ; fi
+boot_tftp=tftpboot $loadaddr $bootfile && bootm $loadaddr
+boot_tftp_write_fip=tftpboot $loadaddr $bootfile_fip && run boot_write_fip
+boot_tftp_write_preloader=tftpboot $loadaddr $bootfile_bl2 && run boot_write_preloader
+boot_ubi=ubi part ubi && run boot_production_or_recovery
+boot_write_fip=nand erase 0x80000 0x140000 && nand write $loadaddr 0x80000 0x140000
+boot_write_preloader=nand erase 0x0 0x80000 && nand write $loadaddr 0x0 0x20000 && nand write $loadaddr 0x20000 0x20000 && nand write $loadaddr 0x40000 0x20000 && nand write $loadaddr 0x60000 0x20000
+check_recovery=run ubi_read_recovery ; if iminfo $loadaddr ; then bootm $loadaddr ; else ubi remove recovery ; fi
+check_ubi=ubi part ubi || run ubi_format
+reset_factory=ubi part ubi ; ubi write 0x0 ubootenv 0x0 ; ubi write 0x0 ubootenv2 0x0 ; ubi remove rootfs_data
+ubi_format=ubi detach ; nand erase 0x300000 0x7D00000 && ubi part ubi ; reset
+ubi_prepare_rootfs=if ubi check rootfs_data ; then else if env exists rootfs_data_max ; then ubi create rootfs_data $rootfs_data_max dynamic || ubi create rootfs_data - dynamic ; else ubi create rootfs_data - dynamic ; fi ; fi
+ubi_read_production=ubi read $loadaddr fit && iminfo $loadaddr && run ubi_prepare_rootfs
+ubi_read_recovery=ubi check recovery && ubi read $loadaddr recovery
+ubi_remove_rootfs=ubi check rootfs_data && ubi remove rootfs_data
+ubi_write_production=run ubi_remove_rootfs ; ubi check fit && ubi remove fit ; run ubi_remove_rootfs ; ubi create fit $filesize dynamic && ubi write $loadaddr fit $filesize
+ubi_write_recovery=run ubi_remove_rootfs ; ubi check recovery && ubi remove recovery; ubi create recovery $filesize dynamic && ubi write $loadaddr recovery $filesize
+_create_env=ubi create ubootenv 0x100000 dynamic ; ubi create ubootenv2 0x100000 dynamic
+_init_env=setenv _init_env ; if ubi check ubootenv && ubi check ubootenv2 ; then else run _create_env ; fi ; setenv _create_env ; saveenv || run ubi_format ; saveenv || run ubi_format
+_firstboot=setenv _firstboot ; led power:orange on ; run _switch_to_menu ; run ethaddr_factory ; run check_ubi ; run _init_env ; run boot_first
+_switch_to_menu=setenv _switch_to_menu ; setenv bootdelay 3 ; setenv bootmenu_delay 3 ; setenv bootmenu_0 $bootmenu_0d ; setenv bootmenu_0d ; run _bootmenu_update_title
+_bootmenu_update_title=setenv _bootmenu_update_title ; setenv bootmenu_title "$bootmenu_title $ver"
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