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# $NetBSD: u-boot-rockchip.mk,v 1.13 2022/02/11 23:03:50 mrg Exp $
#
# should be used by sysutils/u-boot-rock64/Makefile
# used by sysutils/u-boot-rockpro64/Makefile
# used by sysutils/u-boot-rockpro64-ayufan/Makefile
# used by sysutils/u-boot-pinebook-pro/Makefile
# Common makefile fragment for rockchip based u-boot targets.
#
# Set these variables:
#
# UBOOT_IMAGE_TYPE ("rk3399", "rk3328")
#
UBOOT_VERSION?= 2022.01
TFA= trusted-firmware-a
# Earlier SPIs were at sector 1024, but newer u-boot has a DT that
# loads them from 768. Until all are converted, leave the default
# at 1024.
UBOOT_RK_SPI_OFF?= 1024
MAKE_ENV+= BL31=${PREFIX}/share/${TFA}/${UBOOT_IMAGE_TYPE}/bl31.elf
post-build:
# wrap everything up into a single file that can be written to an SD card.
# note that the SD image starts at sector 64, and 64 + 448 = 512, so the
# u-boot.itb is loaded at 256KiB on the card iteslf.
cp ${WRKSRC}/idbloader.img ${WRKSRC}/rksd_loader.img
dd if=${WRKSRC}/u-boot.itb seek=448 conv=notrunc of=${WRKSRC}/rksd_loader.img
.if defined(UBOOT_MKIMAGE_RKSPI)
${WRKSRC}/tools/mkimage \
-n rk3399 \
-T rkspi \
-d ${WRKSRC}/tpl/u-boot-tpl.bin:${WRKSRC}/spl/u-boot-spl.bin \
${WRKSRC}/rkspi_loader.img
.else
# build SPI NOR flash image. See dev-ayufan/build.mk.
set -e; b=0; while [ "$$b" != 128 ]; do \
dd bs=2k count=1; \
dd if=/dev/zero bs=2k count=1; \
b=$$(expr $$b + 1); \
done < ${WRKSRC}/idbloader.img > ${WRKSRC}/rkspi_loader.img 2> /dev/null
.endif
dd if=${WRKSRC}/u-boot.itb seek=${UBOOT_RK_SPI_OFF} conv=notrunc of=${WRKSRC}/rkspi_loader.img
BUILD_TARGET+= V=1
.include "../../sysutils/${TFA}-${UBOOT_IMAGE_TYPE}/buildlink3.mk"
.include "../../sysutils/u-boot/u-boot-arm64.mk"
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