The u-boot configuration for the ultra96-zynqmp is shared with a bunch of boards. As such, several of the settings wrt the environment do not make sense (such as trying to save the environment to devices which do not exist on the ultra96).
Add the ability to read/set environment variables from Linux user-space. Signed-off-by: Trevor Woerner <[email protected]> --- .../u-boot/u-boot-v2023.01/env-cleanup.cfg | 4 +++ .../recipes-bsp/u-boot/u-boot-xlnx-2023.2.inc | 26 +++++++++++++++++++ 2 files changed, 30 insertions(+) create mode 100644 meta-xilinx-core/recipes-bsp/u-boot/u-boot-v2023.01/env-cleanup.cfg diff --git a/meta-xilinx-core/recipes-bsp/u-boot/u-boot-v2023.01/env-cleanup.cfg b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-v2023.01/env-cleanup.cfg new file mode 100644 index 000000000000..1bcb1208b083 --- /dev/null +++ b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-v2023.01/env-cleanup.cfg @@ -0,0 +1,4 @@ +CONFIG_ENV_IS_NOWHERE=n +CONFIG_ENV_IS_IN_NAND=n +CONFIG_ENV_IS_IN_SPI_FLASH=n +CONFIG_SYS_REDUNDAND_ENVIRONMENT=n diff --git a/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-2023.2.inc b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-2023.2.inc index 86ba82bbeaf8..a220fe52a0ae 100644 --- a/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-2023.2.inc +++ b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-2023.2.inc @@ -13,11 +13,37 @@ HAS_PLATFORM_INIT ?= " \ " DEPENDS += "bc-native dtc-native python3-setuptools-native gnutls-native" +DEPENDS:ultra96-zynqmp += " u-boot-mkenvimage-native bison-native kern-tools-native" SRC_URI:append:microblaze = " file://microblaze-generic-top.h" +SRC_URI:append:ultra96-zynqmp = " file://env-cleanup.cfg" FILESEXTRAPATHS:prepend := "${THISDIR}/u-boot-v2023.01:" do_configure:prepend:microblaze () { install ${WORKDIR}/microblaze-generic-top.h ${S}/include/configs/ } + +generate_env_config() { + : +} + +generate_env_config:ultra96-zynqmp() { + UBOOT_ENV_SIZE="$(cat ${B}/.config | grep "^CONFIG_ENV_SIZE=" | cut -d'=' -f2)" + if [ -n "$UBOOT_ENV_SIZE" ]; then + echo "/boot/uboot.env 0 ${UBOOT_ENV_SIZE}" > ${UNPACKDIR}/fw_env.config + fi + if [ -f ${B}/u-boot-initial-env ]; then + mkenvimage -s ${UBOOT_ENV_SIZE} ${B}/u-boot-initial-env -o ${B}/uboot.env + else + return 1 + fi +} + +do_compile[postfuncs] += "generate_env_config" + +do_install:append:ultra96-zynqmp() { + install -D -m 0644 ${B}/uboot.env ${D}/boot/uboot.env +} + +FILES:${PN}-env += "/boot/uboot.env" -- 2.44.0.478.g7774cfed6261
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