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openwrt/package/boot/arm-trusted-firmware-imx/Makefile
Martin Schiller 23cd613f40 arm-trusted-firmware-imx: add new package
Build ATF images for i.MX8MP. Tested on Kontron OSM-S/BL i.MX8MP.

The default IMX_BOOT_UART_BASE for imx8mp platforms is 0x30890000, which
would be UART2. The Kontron board however uses UART3 as serial debug
console. As a result, after loading BL31 the system hangs.

Setting IMX_BOOT_UART_BASE=auto will fix it.

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
2026-06-01 17:49:36 +02:00

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Makefile

#
# Copyright (C) 2026 Martin Schiller <ms@dev.tdt.de>
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_VERSION:=2.14.0
PKG_RELEASE:=1
PKG_HASH:=b2a3bc360307c929714ffd8e7f1441c4888cd5d80531276e809c2de54db5dc16
PKG_MAINTAINER:=Martin Schiller <ms@dev.tdt.de>
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/trusted-firmware-a.mk
include $(INCLUDE_DIR)/package.mk
define Trusted-Firmware-A/Default
BUILD_TARGET:=imx
BUILD_SUBTARGET:=cortexa53
endef
define Trusted-Firmware-A/imx8mp
NAME:=NXP i.MX8MP
PLAT:=imx8mp
endef
TFA_TARGETS:= \
imx8mp
TFA_MAKE_FLAGS += \
IMX_BOOT_UART_BASE="auto"
define Package/trusted-firmware-a/install
$(INSTALL_DIR) $(STAGING_DIR_IMAGE)
$(INSTALL_DATA) $(PKG_BUILD_DIR)/build/$(PLAT)/release/bl31.bin $(STAGING_DIR_IMAGE)/bl31_$(BUILD_VARIANT).bin
endef
$(eval $(call BuildPackage/Trusted-Firmware-A))