From 96070460c38cf8f606cb976c28c12664e98797f4 Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Thu, 20 Jun 2019 16:29:22 +0530 Subject: rockchip: rk3399: Get bl31.elf via BL31 Right now rockchip platform need to copy bl31.elf into u-boot source directory to make use of building u-boot.itb. So, add environment variable BL31 like Allwinner SoC so-that the bl31.elf would available via BL31. If the builds are not exporting BL31 env, the make_fit_atf.py explicitly create dummy bl31.elf in u-boot root directory to satisfy travis builds and it will show the warning on console as WARNING: BL31 file bl31.elf NOT found, resulting binary is non-functional WARNING: Please read Building section in doc/README.rockchip Note, that the dummy bl31 files were created during not exporting BL31 case would be removed via clean target in Makefile. Signed-off-by: Jagan Teki --- Makefile | 2 +- arch/arm/mach-rockchip/make_fit_atf.py | 19 +++++++++++++++++-- doc/README.rockchip | 4 ++-- 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/Makefile b/Makefile index db81531..f3857ab 100644 --- a/Makefile +++ b/Makefile @@ -1848,7 +1848,7 @@ clean: $(clean-dirs) -o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \ -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ -type f -print | xargs rm -f \ - bl31_*.bin image.map + bl31.c bl31.elf bl31_*.bin image.map # mrproper - Delete all generated files, including .config # diff --git a/arch/arm/mach-rockchip/make_fit_atf.py b/arch/arm/mach-rockchip/make_fit_atf.py index 212bd0a..45ec105 100755 --- a/arch/arm/mach-rockchip/make_fit_atf.py +++ b/arch/arm/mach-rockchip/make_fit_atf.py @@ -12,6 +12,7 @@ import os import sys import getopt +import logging # pip install pyelftools from elftools.elf.elffile import ELFFile @@ -89,13 +90,17 @@ def append_conf_section(file, cnt, dtname, segments): file.write('\t\tconfig_%d {\n' % cnt) file.write('\t\t\tdescription = "%s";\n' % dtname) file.write('\t\t\tfirmware = "atf_1";\n') - file.write('\t\t\tloadables = "uboot",') + file.write('\t\t\tloadables = "uboot"') + if segments != 0: + file.write(',') for i in range(1, segments): file.write('"atf_%d"' % (i)) if i != (segments - 1): file.write(',') else: file.write(';\n') + if segments == 0: + file.write(';\n') file.write('\t\t\tfdt = "fdt_1";\n') file.write('\t\t};\n') file.write('\n') @@ -171,8 +176,18 @@ def generate_atf_binary(bl31_file_name): def main(): uboot_elf = "./u-boot" - bl31_elf = "./bl31.elf" fit_its = sys.stdout + if "BL31" in os.environ: + bl31_elf=os.getenv("BL31"); + elif os.path.isfile("./bl31.elf"): + bl31_elf = "./bl31.elf" + else: + os.system("echo 'int main(){}' > bl31.c") + os.system("${CROSS_COMPILE}gcc -c bl31.c -o bl31.elf") + bl31_elf = "./bl31.elf" + logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.DEBUG) + logging.warning(' BL31 file bl31.elf NOT found, resulting binary is non-functional') + logging.warning(' Please read Building section in doc/README.rockchip') opts, args = getopt.getopt(sys.argv[1:], "o:u:b:h") for opt, val in opts: diff --git a/doc/README.rockchip b/doc/README.rockchip index 11ab74a..4efd9c1 100644 --- a/doc/README.rockchip +++ b/doc/README.rockchip @@ -150,8 +150,8 @@ For example: => make realclean => make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3399 - (copy bl31.elf into U-Boot root dir) - => cp build/rk3399/release/bl31/bl31.elf /path/to/u-boot + (export bl31.elf) + => export BL31=/path/to/arm-trusted-firmware/build/rk3399/release/bl31/bl31.elf - Compile PMU M0 firmware -- cgit v1.1