Daniel Golle ce7209bd21 mediatek: add build for MT7981 RFB
Add build for the MTK3943 reference board for MT7981B+MT7976C.

**Hardware specification:**

 - SoC: MediaTek MT7981B 2x A53
 - Flash: various options
 - RAM: 256MB DDR3
 - Ethernet: 4 x 10/100/1000 Mbps via MT7531AE switch
        EITHER 1 x 10/100/1000 Mbps built-in PHY
            OR 1 x 10/100/1000/2500 Mbps MaxLinear GPY211C
 - Switch: MediaTek MT7531AE
 - WiFi: MediaTek MT7976C
 - Button: RST, WPS

**Flash instructions for SPIM-NAND:**
 - write *mt7981-rfb-spim-nand-preloader.bin to 'BL2' partition
 - write *mt7981-rfb-spim-nand-bl31-uboot.fip to 'FIP' partition
 - erase 'ubi' partition
 - reset board
 - create ubootenv and ubootenv2 UBI volumes in U-Boot
 - edit environment and set bootcmd, e.g.
   setenv bootconf 'config-1#mt7981-rfb-spim-nand#mt7981-rfb-mxl-2p5g-phy-eth1'
   setenv bootcmd 'ubi read $loadaddr fit; bootm $loadaddr#$bootconf'
 - load initramfs image via TFTP:
   setenv serverip 192.168.1.254
   setenv ipaddr 192.168.1.1
   setenv bootfile openwrt-mediatek-filogic-mediatek_mt7981-rfb-initramfs.itb
   saveenv ; saveenv
   tftpboot
   bootm $loadaddr#$bootconf
 - Now use sysupgrade to write OpenWrt firmware to flash.

SNFI-NAND, SPIM-NOR and eMMC all work very similar, a bootable SD card image
is also being generated. However, as the board I've been provided only comes
with SPIM-NAND all other boot media are untested.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2023-09-21 10:15:08 +01:00

161 lines
3.1 KiB
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Executable File

REQUIRE_IMAGE_METADATA=1
xiaomi_initial_setup()
{
# initialize UBI and setup uboot-env if it's running on initramfs
[ "$(rootfs_type)" = "tmpfs" ] || return 0
local mtdnum="$( find_mtd_index ubi )"
if [ ! "$mtdnum" ]; then
echo "unable to find mtd partition ubi"
return 1
fi
local kern_mtdnum="$( find_mtd_index ubi_kernel )"
if [ ! "$kern_mtdnum" ]; then
echo "unable to find mtd partition ubi_kernel"
return 1
fi
ubidetach -m "$mtdnum"
ubiformat /dev/mtd$mtdnum -y
ubidetach -m "$kern_mtdnum"
ubiformat /dev/mtd$kern_mtdnum -y
if ! fw_printenv -n flag_try_sys2_failed &>/dev/null; then
echo "failed to access u-boot-env. skip env setup."
return 0
fi
fw_setenv boot_wait on
fw_setenv uart_en 1
fw_setenv flag_boot_rootfs 0
fw_setenv flag_last_success 1
fw_setenv flag_boot_success 1
fw_setenv flag_try_sys1_failed 8
fw_setenv flag_try_sys2_failed 8
local board=$(board_name)
case "$board" in
xiaomi,mi-router-wr30u-stock)
fw_setenv mtdparts "nmbm0:1024k(bl2),256k(Nvram),256k(Bdata),2048k(factory),2048k(fip),256k(crash),256k(crash_log),34816k(ubi),34816k(ubi1),32768k(overlay),12288k(data),256k(KF)"
;;
xiaomi,redmi-router-ax6000-stock)
fw_setenv mtdparts "nmbm0:1024k(bl2),256k(Nvram),256k(Bdata),2048k(factory),2048k(fip),256k(crash),256k(crash_log),30720k(ubi),30720k(ubi1),51200k(overlay)"
;;
esac
}
platform_do_upgrade() {
local board=$(board_name)
case "$board" in
acer,predator-w6)
CI_KERNPART="kernel"
CI_ROOTPART="rootfs"
emmc_do_upgrade "$1"
;;
asus,tuf-ax4200)
CI_UBIPART="UBI_DEV"
CI_KERNPART="linux"
nand_do_upgrade "$1"
;;
bananapi,bpi-r3)
local rootdev="$(cmdline_get_var root)"
rootdev="${rootdev##*/}"
rootdev="${rootdev%p[0-9]*}"
case "$rootdev" in
mmc*)
CI_ROOTDEV="$rootdev"
CI_KERNPART="production"
emmc_do_upgrade "$1"
;;
mtdblock*)
PART_NAME="fit"
default_do_upgrade "$1"
;;
ubiblock*)
CI_KERNPART="fit"
nand_do_upgrade "$1"
;;
esac
;;
cudy,wr3000-v1)
default_do_upgrade "$1"
;;
mercusys,mr90x-v1)
CI_UBIPART="ubi0"
nand_do_upgrade "$1"
;;
h3c,magic-nx30-pro|\
mediatek,mt7981-rfb|\
qihoo,360t7|\
tplink,tl-xdr4288|\
tplink,tl-xdr6086|\
tplink,tl-xdr6088|\
xiaomi,mi-router-wr30u-ubootmod|\
xiaomi,redmi-router-ax6000-ubootmod)
CI_KERNPART="fit"
nand_do_upgrade "$1"
;;
xiaomi,mi-router-wr30u-stock|\
xiaomi,redmi-router-ax6000-stock)
CI_KERN_UBIPART=ubi_kernel
CI_ROOT_UBIPART=ubi
nand_do_upgrade "$1"
;;
*)
nand_do_upgrade "$1"
;;
esac
}
PART_NAME=firmware
platform_check_image() {
local board=$(board_name)
local magic="$(get_magic_long "$1")"
[ "$#" -gt 1 ] && return 1
case "$board" in
bananapi,bpi-r3)
[ "$magic" != "d00dfeed" ] && {
echo "Invalid image type."
return 1
}
return 0
;;
*)
nand_do_platform_check "$board" "$1"
return $?
;;
esac
return 0
}
platform_copy_config() {
case "$(board_name)" in
bananapi,bpi-r3)
case "$(cmdline_get_var root)" in
/dev/mmc*)
emmc_copy_config
;;
esac
;;
esac
}
platform_pre_upgrade() {
local board=$(board_name)
case "$board" in
xiaomi,mi-router-wr30u-stock|\
xiaomi,redmi-router-ax6000-stock)
xiaomi_initial_setup
;;
esac
}