diff options
-rw-r--r-- | recipes-bsp/u-boot/u-boot-toradex/0001-arm-imx-add-u-boot-nand.imx-to-boot-from-NAND-withou.patch | 61 | ||||
-rw-r--r-- | recipes-bsp/u-boot/u-boot-toradex_2022.07.bb | 24 |
2 files changed, 62 insertions, 23 deletions
diff --git a/recipes-bsp/u-boot/u-boot-toradex/0001-arm-imx-add-u-boot-nand.imx-to-boot-from-NAND-withou.patch b/recipes-bsp/u-boot/u-boot-toradex/0001-arm-imx-add-u-boot-nand.imx-to-boot-from-NAND-withou.patch new file mode 100644 index 0000000..b00ae98 --- /dev/null +++ b/recipes-bsp/u-boot/u-boot-toradex/0001-arm-imx-add-u-boot-nand.imx-to-boot-from-NAND-withou.patch @@ -0,0 +1,61 @@ +From c74098299453e0a7cb5b9c710a66c9d579142a0d Mon Sep 17 00:00:00 2001 +From: Luca Ceresoli <luca.ceresoli@bootlin.com> +Date: Fri, 10 Mar 2023 11:07:52 +0100 +Subject: [PATCH] arm: imx: add u-boot-nand.imx to boot from NAND without SPL + +U-Boot can be booted from NAND without SPL by prepending the DCD header to +the actual U-Boot binary. However this requires prepending 1024 bytes to +u-boot.imx (DCD + u-boot.bin). + +There is already a similar target to build spl/u-boot-nand-spl.imx, add the +same option for no-SPL boot. + +Tested on i.MX6ULL. + +The resulting layout of u-boot-nand.imx is: + + - Offset 0x0000 (0 KiB): padding + - Offset 0x0400 (1 KiB): DCD header + - Offset 0x1000 (4 KiB): u-boot.bin + +Upstream-Status: Backport [95942f99a7057359c07bf383214d57154e2466fe] +Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> +--- + Makefile | 3 +++ + arch/arm/mach-imx/Makefile | 6 ++++++ + 2 files changed, 9 insertions(+) + +diff --git a/Makefile b/Makefile +index 98867fbe06..402adbe26c 100644 +--- a/Makefile ++++ b/Makefile +@@ -1562,6 +1562,9 @@ endif + u-boot.uim: u-boot.bin FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + ++u-boot-nand.imx: u-boot.imx FORCE ++ $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ ++ + u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL $(if $(CONFIG_OF_SEPARATE),u-boot.img,u-boot.uim) FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile +index aa0b6447f1..e9b484fa9b 100644 +--- a/arch/arm/mach-imx/Makefile ++++ b/arch/arm/mach-imx/Makefile +@@ -132,6 +132,12 @@ u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log + u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE + $(call if_changed,mkimage) + ++quiet_cmd_u-boot-nand_imx = GEN $@ ++cmd_u-boot-nand_imx = (dd bs=1024 count=1 if=/dev/zero 2>/dev/null) | cat - $< > $@ ++ ++u-boot-nand.imx: u-boot.imx FORCE ++ $(call if_changed,u-boot-nand_imx) ++ + ifeq ($(CONFIG_MULTI_DTB_FIT),y) + MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \ + -T $(IMAGE_TYPE) -e $(CONFIG_SYS_TEXT_BASE) +-- +2.40.1 + diff --git a/recipes-bsp/u-boot/u-boot-toradex_2022.07.bb b/recipes-bsp/u-boot/u-boot-toradex_2022.07.bb index 6fda945..4b9a433 100644 --- a/recipes-bsp/u-boot/u-boot-toradex_2022.07.bb +++ b/recipes-bsp/u-boot/u-boot-toradex_2022.07.bb @@ -26,6 +26,7 @@ TDX_PATCHES = " \ file://0001-apalis-colibri_imx6-imx6ull-_imx7-update-env-memory-.patch \ file://0001-configs-colibri-imx7-Fix-bad-block-table-in-flash-co.patch \ file://0001-colibri_imx6-fix-RALAT-and-WALAT-values.patch \ + file://0001-arm-imx-add-u-boot-nand.imx-to-boot-from-NAND-withou.patch \ " SRC_URI:append = " ${TDX_PATCHES}" SRC_URI:append:use-nxp-bsp:colibri-imx7 = " \ @@ -36,33 +37,10 @@ inherit toradex-u-boot-localversion UBOOT_INITIAL_ENV = "u-boot-initial-env" -PADDING_DIR = "${B}" -nand_padding () { - # pad the end of U-Boot with 0x00 up to the the end of the CSF area - #PAD_END=$(echo -n "0x"; od -X -j 0x24 -N 4 u-boot.imx | sed -e '/................/!d' -e 's/........\(.*\)/\1/') - #PAD_END=$(( $PAD_END - 0x400 )) - #objcopy -I binary -O binary --pad-to $PAD_END u-boot.imx u-boot.imx.zero-padded - # assume that the above never need more than 10k of padding and skip the - # shell magic to get a correct size. - dd bs=10k count=1 if=/dev/zero | cat ${PADDING_DIR}/u-boot.imx - > ${PADDING_DIR}/u-boot.imx.zero-padded - - # U-Boot is flashed 1k into a NAND block, create a binary which prepends - # U-boot with 1k of zeros to ease flashing - dd bs=1024 count=1 if=/dev/zero | cat - ${PADDING_DIR}/u-boot.imx.zero-padded > ${PADDING_DIR}/u-boot-nand.imx -} - # build imx-boot from within U-Boot inherit ${@oe.utils.ifelse(d.getVar('UBOOT_PROVIDES_BOOT_CONTAINER') == '1', 'imx-boot-container', '')} DEPENDS:imx-boot-container += "bc-native bison-native dtc-native python3-setuptools-native swig-native" -do_compile:append:colibri-imx6ull () { - nand_padding -} - -do_compile:append:colibri-imx7 () { - nand_padding -} - BOOT_TOOLS = "imx-boot-tools" do_deploy:append:mx8m-generic-bsp() { # Deploy u-boot-nodtb.bin and fsl-imx8m*-XX.dtb for mkimage to generate boot binary |