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uboot-mediatek: add build for Ubiquiti Networks UniFi 6 LR

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Add U-Boot build for the Ubiquiti Networks UniFi 6 LR access point.
This allows updating the bootchain to modern ARM Trusted Firmware 2.4
and U-Boot 2021.04 while keeping as much of the existing flash layout
as possible (u-boot-env, factory and eeprom partitions are retained),
gaining robust recovery vs. production dual-boot mechanism.
Add info for the Winbond W25Q512JV SPI NOR flash used in the device
and wait for GPIOs to settle after reset before checking for reset
button.
I2C connected LED controller is not supported yet.
Writing large amounts of data to SPI flash currently doesn't work due
to watchdog timeout causing reset before data write completes.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle
2021-04-02 12:05:15 +01:00
parent d37aaf3ee2
commit e9ad412049
4 changed files with 485 additions and 7 deletions
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12
package/boot/uboot-mediatek/Makefile
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@@ -54,6 +54,17 @@ define U-Boot/mt7622_bananapi_bpi-r64-sdmmc
DEPENDS:=+trusted-firmware-a-mt7622-sdmmc-2ddr
endef
define U-Boot/mt7622_ubnt_unifi-6-lr
NAME:=Ubiquiti UniFi 6 LR
UBOOT_CONFIG:=mt7622_ubnt_unifi-6-lr
BUILD_DEVICES:=ubnt_unifi-6-lr-ubootmod
BUILD_SUBTARGET:=mt7622
UBOOT_IMAGE:=u-boot.fip
BL2_BOOTDEV:=nor
BL2_DDRBLOB:=2
DEPENDS:=+trusted-firmware-a-mt7622-nor-2ddr
endef
define U-Boot/mt7623a_unielec_u7623
NAME:=UniElec U7623 (mt7623)
BUILD_DEVICES:=unielec_u7623-emmc unielec_u7623-02-emmc-512m-legacy
@@ -81,6 +92,7 @@ UBOOT_TARGETS := \
mt7622_bananapi_bpi-r64-sdmmc \
mt7622_linksys_e8450 \
mt7622_rfb1 \
mt7622_ubnt_unifi-6-lr \
mt7623n_bpir2 \
mt7623a_unielec_u7623 \
mt7629_rfb