#include "imx8mm-u-boot.dtsi"
/ {
+ binman: binman {
+ multiple-images;
+ };
+
wdt-reboot {
compatible = "wdt-reboot";
wdt = <&wdog1>;
&wdog1 {
u-boot,dm-spl;
};
+
+&binman {
+ u-boot-spl-ddr {
+ filename = "u-boot-spl-ddr.bin";
+ pad-byte = <0xff>;
+ align-size = <4>;
+ align = <4>;
+
+ u-boot-spl {
+ align-end = <4>;
+ };
+
+ blob_1: blob-ext@1 {
+ filename = "lpddr4_pmu_train_1d_imem.bin";
+ size = <0x8000>;
+ };
+
+ blob_2: blob-ext@2 {
+ filename = "lpddr4_pmu_train_1d_dmem.bin";
+ size = <0x4000>;
+ };
+
+ blob_3: blob-ext@3 {
+ filename = "lpddr4_pmu_train_2d_imem.bin";
+ size = <0x8000>;
+ };
+
+ blob_4: blob-ext@4 {
+ filename = "lpddr4_pmu_train_2d_dmem.bin";
+ size = <0x4000>;
+ };
+ };
+
+ spl {
+ filename = "spl.bin";
+
+ mkimage {
+ args = "-n spl/u-boot-spl.cfgout -T imx8mimage -e 0x7e1000";
+
+ blob {
+ filename = "u-boot-spl-ddr.bin";
+ };
+ };
+ };
+
+ itb {
+ filename = "u-boot.itb";
+
+ fit {
+ description = "Configuration to load ATF before U-Boot";
+ #address-cells = <1>;
+ fit,external-offset = <CONFIG_FIT_EXTERNAL_OFFSET>;
+
+ images {
+ uboot {
+ description = "U-Boot (64-bit)";
+ type = "standalone";
+ arch = "arm64";
+ compression = "none";
+ load = <CONFIG_SYS_TEXT_BASE>;
+
+ uboot_blob: blob-ext {
+ filename = "u-boot-nodtb.bin";
+ };
+ };
+
+ atf {
+ description = "ARM Trusted Firmware";
+ type = "firmware";
+ arch = "arm64";
+ compression = "none";
+ load = <0x920000>;
+ entry = <0x920000>;
+
+ atf_blob: blob-ext {
+ filename = "bl31.bin";
+ };
+ };
+
+ fdt {
+ description = "NAME";
+ type = "flat_dt";
+ compression = "none";
+
+ uboot_fdt_blob: blob-ext {
+ filename = "u-boot.dtb";
+ };
+ };
+ };
+
+ configurations {
+ default = "conf";
+
+ conf {
+ description = "NAME";
+ firmware = "uboot";
+ loadables = "atf";
+ fdt = "fdt";
+ };
+ };
+ };
+ };
+
+ imx-boot {
+ filename = "flash.bin";
+ pad-byte = <0x00>;
+
+ spl: blob-ext@1 {
+ offset = <0x0>;
+ filename = "spl.bin";
+ };
+
+ uboot: blob-ext@2 {
+ offset = <0x57c00>;
+ filename = "u-boot.itb";
+ };
+ };
+};
config TARGET_IMX8MM_BEACON
bool "imx8mm Beacon Embedded devkit"
+ select BINMAN
select IMX8MM
select SUPPORT_SPL
select IMX8M_LPDDR4
default "imx8mm_beacon"
config IMX_CONFIG
- default "arch/arm/mach-imx/imx8m/imximage-8mm-lpddr4.cfg"
+ default "board/beacon/imx8mm/imximage-8mm-lpddr4.cfg"
source "board/freescale/common/Kconfig"
Note: $(srctree) is U-Boot source directory
$ git clone https://source.codeaurora.org/external/imx/imx-atf
-$ git checkout imx_4.19.35_1.0.0
-$ make PLAT=imx8mm bl31 ARCH=arm CROSS_COMPILE=aarch64-linux-gnu-
+$ git checkout imx_5.4.70_2.3.0
+$ make PLAT=imx8mm bl31 CROSS_COMPILE=aarch64-linux-gnu-
$ cp build/imx8mm/release/bl31.bin $(srctree)
Get the DDR firmware
Build U-Boot
============
$ make imx8mm_beacon_defconfig
-$ make flash.bin CROSS_COMPILE=aarch64-linux-gnu- ATF_LOAD_ADDR=0x920000
+$ make flash.bin CROSS_COMPILE=aarch64-linux-gnu-
Burn U-Boot to microSD Card
===========================
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2021 NXP
+ */
+
+#define __ASSEMBLY__
+
+BOOT_FROM sd
+LOADER u-boot-spl-ddr.bin 0x7E1000
CONFIG_FIT=y
CONFIG_FIT_EXTERNAL_OFFSET=0x3000
CONFIG_SPL_LOAD_FIT=y
-CONFIG_SPL_FIT_GENERATOR="arch/arm/mach-imx/mkimage_fit_atf.sh"
+# CONFIG_USE_SPL_FIT_GENERATOR is not set
CONFIG_OF_SYSTEM_SETUP=y
CONFIG_DEFAULT_FDT_FILE="imx8mm-beacon-kit.dtb"
CONFIG_SPL_BOARD_INIT=y