* [U-Boot] [PATCH v2] imx: add u-boot-nand.imx target
@ 2019-07-24 13:19 Igor Opaniuk
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From: Igor Opaniuk @ 2019-07-24 13:19 UTC (permalink / raw)
To: u-boot
From: Igor Opaniuk <igor.opaniuk@toradex.com>
Add an additional target which prepends the u-boot.imx image with
0x400 padding bytes. On Vybrid and i.MX 7, i.MX6ULL this is required
for NAND boot devices. The configuration CONFIG_IMX_NAND enables this
image for a board.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
---
v2:
- Addressed Jagan's comment
Kconfig | 1 +
Makefile | 3 +++
arch/arm/mach-imx/Makefile | 7 +++++++
3 files changed, 11 insertions(+)
diff --git a/Kconfig b/Kconfig
index d2eb744e70..a791f58801 100644
--- a/Kconfig
+++ b/Kconfig
@@ -253,6 +253,7 @@ config BUILD_TARGET
default "u-boot.itb" if SPL_LOAD_FIT && (ROCKCHIP_RK3399 || ARCH_SUNXI)
default "u-boot.kwb" if KIRKWOOD
default "u-boot-with-spl.bin" if ARCH_AT91 && SPL_NAND_SUPPORT
+ default "u-boot-nand.imx" if (ARCH_MX6 || ARCH_MX7) || NAND_BOOT
help
Some SoCs need special image types (e.g. U-Boot binary
with a special header) as build targets. By defining
diff --git a/Makefile b/Makefile
index 73fdf70cdd..287b74dd50 100644
--- a/Makefile
+++ b/Makefile
@@ -1106,6 +1106,9 @@ endif
%.vyb: %.imx
$(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@
+u-boot-nand.imx: u-boot.imx
+ $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+
quiet_cmd_copy = COPY $@
cmd_copy = cp $< $@
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 898478fc4a..365a5951f1 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -112,6 +112,13 @@ u-boot.imx: MKIMAGEOUTPUT = u-boot.imx.log
u-boot.imx: u-boot.bin u-boot.cfgout $(PLUGIN).bin FORCE
$(call if_changed,mkimage)
+ifeq ($(CONFIG_NAND_BOOT),y)
+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
+ $(call if_changed,u-boot-nand_imx)
+endif
+
ifeq ($(CONFIG_MULTI_DTB_FIT),y)
MKIMAGEFLAGS_u-boot-dtb.imx = -n $(filter-out $(PLUGIN).bin $< $(PHONY),$^) \
-T $(IMAGE_TYPE) -e $(CONFIG_SYS_TEXT_BASE)
--
2.17.1
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2019-07-24 13:19 [U-Boot] [PATCH v2] imx: add u-boot-nand.imx target Igor Opaniuk
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