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https://github.com/apache/nuttx.git
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tools/imx9: prepare bootable bootloader image
This does the following:
1. Fetches mkimage_imx8 (same used with imx9) source code
2. Fetches the ELE / AHAB binary
3. Extracts the ELE / AHAB binary
4. Compiles the mkimage with hostcc
5. Utilizes the mkimage tool to create a bootable SD image,
combining the ELE / AHAB image with the NuttX bootloader
6. dd is used to prepend empty space in place of BL31
7. Outputs sdimage.img which is a bootable binary
8. Removes all binaries, sources code images that have been
downloaded
Signed-off-by: Eero Nurkkala <eero.nurkkala@offcode.fi>
This commit is contained in:
Eero Nurkkala
Xiang Xiao
parent
23b7dc0651
commit
80c37c7b36
4 changed files with 116 additions and 4 deletions
1
.gitignore
vendored
1
.gitignore
vendored
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@ -65,3 +65,4 @@ tools/gdb/__pycache__
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/build
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.ccls-cache
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compile_commands.json
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imx9-sdimage.img
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@ -4,8 +4,9 @@ README.txt
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The kit i.MX93 Evaluation Kit has a pre-installed Linux image which contains
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u-boot and the i.MX93 reference Linux installation.
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u-boot is required to boot NuttX (for now) as it initializes the hardware for
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us, i.e. DDR, clocks, I/O muxes etc.
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NuttX may work as the bootloader, replacing u-boot completely. Currently it
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doesn't initialize the DDR memory yet. In other words, DDR training is still
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missing.
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==========================================
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@ -13,7 +14,9 @@ How to run nuttx on i.MX93 Evaluation Kit.
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==========================================
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Below is a set of instructions on how to run NuttX on the i.MX93 EVK
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Below is a set of instructions on how to run NuttX on the i.MX93 EVK, on top
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of the u-boot. Also, instructions on running NuttX as the bootloader will
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follow.
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==========================================
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@ -76,11 +79,12 @@ Loading and running the NuttX image
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==========================================
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You have three options:
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You have four options:
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1 - Load via u-boot from SD-card
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2 - Load via gdb
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3 - Load via JLink
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4 - Run from SD-card, without u-boot
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==========================================
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@ -144,3 +148,22 @@ Option 3: load with JLink:
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3. Load nuttx. Note that JLink expects the .elf extension, the default build output of nuttx is just "nuttx" without the extension, so it must be added to the file...
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J-Link>LoadFile <path_to>/nuttx.elf
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==========================================
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Option 4: Run from SD-card, without u-boot
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==========================================
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1. Make sure CONFIG_IMX9_BOOTLOADER is set and system is configured properly for bootloader operation:
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tools/configure.sh imx93-evk:bootloader
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2. The build outputs a file "imx9-sdimage.img". This image also contains the Ahab container. It's required to grant Trusted Resource Domain Controller (TRDC) permissions.
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Flash it to an SD-card, where sdX may be sda or something else; verify the block device name properly (eg. /dev/sda, /dev/sdb etc):
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sudo dd if=imx9-sdimage.img of=/dev/sdX bs=1k && sync
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3. Insert the SD-card into the imx93-evk, make sure BMODE switch is [1,2,3,4] = [Off, On, Off, Off] so that it boots from the SD-card.
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This should boot into NuttShell in EL3 level.
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@ -25,9 +25,50 @@
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# POSTBUILD -- Perform post build operations
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ifeq ($(CONFIG_IMX9_BOOTLOADER),y)
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MK_BASE_URL = https://raw.githubusercontent.com/nxp-imx/imx-mkimage/cbb99377cc2bb8f7cf213794c030e1c60423ef1f/src
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BASE_PATH = $(TOPDIR)$(DELIM)tools$(DELIM)imx9$(DELIM)
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FILE_1 = imx8qxb0.c
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FILE_1_PATH = $(BASE_PATH)$(FILE_1)
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FILE_2 = mkimage_common.h
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FILE_2_PATH = $(BASE_PATH)$(FILE_2)
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FILE_3 = mkimage_imx8.c
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FILE_3_PATH = $(BASE_PATH)$(FILE_3)
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FILE_EXE = $(BASE_PATH)mkimage_imx9
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AHAB_BASE_URL = https://www.nxp.com/lgfiles/NMG/MAD/YOCTO
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AHAB = firmware-ele-imx-0.1.1
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AHAB_BINARY = $(AHAB).bin
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AHAB_PATH = $(BASE_PATH)$(AHAB_BINARY)
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define DOWNLOAD_FILES
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$(call DOWNLOAD,$(MK_BASE_URL),$(FILE_1),$(FILE_1_PATH))
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$(call DOWNLOAD,$(MK_BASE_URL),$(FILE_2),$(FILE_2_PATH))
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$(call DOWNLOAD,$(MK_BASE_URL),$(FILE_3),$(FILE_3_PATH))
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$(call DOWNLOAD,$(AHAB_BASE_URL),$(AHAB_BINARY),$(AHAB_PATH))
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$(Q) chmod a+x $(BASE_PATH)$(AHAB_BINARY)
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$(Q) (cd $(BASE_PATH) && ./$(AHAB_BINARY) --auto-accept)
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endef
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ifeq ("$(wildcard $(FILE_EXE))","")
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MKIMAGE_NOT_PRESENT = 1
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endif
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define POSTBUILD
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$(Q) echo "Removing sections"
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$(Q) $(OBJCOPY) -O binary -R .bss -R .initstack $(BIN) nuttx.bin
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$(Q) ([ $$? -eq 0 ] && echo "Done.")
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$(Q) echo "Constructing sd image"
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$(Q) echo "#define MKIMAGE_COMMIT 0xcbb99377" > $(BASE_PATH)build_info.h
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$(if $(MKIMAGE_NOT_PRESENT),$(call DOWNLOAD_FILES))
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+$(Q) $(MAKE) -C $(TOPDIR)$(DELIM)tools$(DELIM)imx9 -f Makefile.host
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$(Q) tools$(DELIM)imx9$(DELIM)mkimage_imx9$(HOSTEXEEXT) -soc IMX9 -append $(BASE_PATH)$(AHAB)$(DELIM)mx93a1-ahab-container.img -c -ap nuttx.bin a55 0x2049a000 -out flash.bin 1>/dev/null 2>&1
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$(Q) dd if=/dev/zero of=imx9-sdimage.img bs=1k count=32 1>/dev/null 2>&1
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$(Q) cat flash.bin >> imx9-sdimage.img
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$(Q) rm flash.bin
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$(Q) echo "imx9-sdimage.img" >> nuttx.manifest
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$(Q) echo "Created imx9-sdimage.img"
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$(Q) $(MAKE) -C $(TOPDIR)$(DELIM)tools$(DELIM)imx9 -f Makefile.host clean
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endef
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endif
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47
tools/imx9/Makefile.host
Normal file
47
tools/imx9/Makefile.host
Normal file
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@ -0,0 +1,47 @@
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############################################################################
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# tools/imx9/Makefile.host
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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-include $(TOPDIR)/Make.defs
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all: mkimage_imx9
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default: mkimage_imx9
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.PHONY: clean
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# Add CFLAGS=-g on the make command line to build debug versions
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CFLAGS = -g -O2 -Wall -std=c99 -static
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# mkimage_imx9 - combine and sign a bootloader image for flashing
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mkimage_imx9: imx8qxb0.c mkimage_imx8.c
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@gcc $(CFLAGS) -o mkimage_imx9 imx8qxb0.c mkimage_imx8.c
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clean:
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ifneq ($(CONFIG_WINDOWS_NATIVE),y)
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$(Q) rm -rf *.dSYM
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endif
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$(call DELFILE, mkimage_imx9)
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$(call DELFILE, mkimage_imx9.exe)
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$(call DELFILE, mkimage_imx8.c)
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$(call DELFILE, imx8qxb0.c)
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$(call DELFILE, mkimage_common.h)
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$(call DELFILE, build_info.h)
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$(call DELFILE, firmware-ele-imx-0.1.1.bin)
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$(call DELDIR, firmware-ele-imx-0.1.1)
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$(call CLEAN)
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