'VÖësÒM›žðŒ2JŒ°Boot script„# This is a boot script for U-Boot # Generate boot.scr: # mkimage -c none -A arm -T script -d boot.cmd.default boot.scr # ################ fitimage_name=image.ub kernel_name=Image ramdisk_name=kria-image-initramfs-k24-smk.cpio.gz.u-boot rootfs_name=rootfs.cpio.gz.u-boot # Close pmufw node so that linux can't send small fragments to pmufw zynqmp pmufw node close # k24 Starter Kit default boot args if test "${board_name}" = "${k24_starter}"; then setenv bootargs 'earlycon console=ttyPS1,115200 init_fatal_sh=1 cma=512M root=LABEL=root'; # k26 Starter Kit default boot args else test "${board_name}" = "${k26_starter}"; setenv bootargs 'earlycon console=ttyPS1,115200 init_fatal_sh=1 cma=900M root=LABEL=root'; fi #Set boot parameters based on CC type if test "${card1_name}" = "SCK-KV-G"; then setenv card_name sck-kv-g; elif test "${card1_name}" = "SCK-KR-G"; then setenv card_name sck-kr-g && setenv bootargs xilinx_tsn_ep.st_pcp=4 $bootargs; elif test "${card1_name}" = "SCK-KD-G"; then setenv card_name sck-kd-g && setenv bootargs xilinx_tsn_ep.st_pcp=4 $bootargs; else #Assume Kria USB secondary boot device setenv card_name unknown; fi #Set DT selection if test "${card1_name}" = "SCK-KV-G"; then if test "${card1_rev}" = "Z" || test "${card1_rev}" = "A"; then #revA dtb also supports revZ boards dtb_name=SMK-zynqmp-${card_name}-revA elif test "${card1_rev}" = "B" || test "${card1_rev}" = "1" || test "${card1_rev}" = "2"; then #revB dtb also supports rev1 and rev2 boards dtb_name=SMK-zynqmp-${card_name}-revB else #default dtb if card revision is not found dtb_name=SMK-zynqmp-${card_name}-revB echo "Card revision not found, using default dtb: ${dtb_name}.dtb" fi elif test "${card1_name}" = "SCK-KR-G"; then if test "${card1_rev}" = "B" || test "${card1_rev}" = "1"; then #revB dtb also supports rev1 dtb dtb_name=SMK-zynqmp-${card_name}-revB elif test "${card1_rev}" = "A"; then dtb_name=SMK-zynqmp-${card_name}-revA else #default dtb if card revision is not found dtb_name=SMK-zynqmp-${card_name}-revB echo "Card revision not found, using default dtb: ${dtb_name}.dtb" fi elif test "${card1_name}" = "SCK-KD-G"; then if test "${card1_rev}" = "A" || test "${card1_rev}" = "B" || test "${card1_rev}" = "1"; then dtb_name=SMK-zynqmp-${card_name}-revA else #default dtb if card revision not found dtb_name=SMK-zynqmp-${card_name}-revA echo "Card revision not found, using default dtb: ${dtb_name}.dtb" fi else dtb_name=system fi for boot_target in ${boot_targets}; do echo "Trying to load boot images from ${boot_target}" if test "${boot_target}" = "mmc0" || test "${boot_target}" = "mmc1" || test "${boot_target}" = "usb0" || test "${boot_target}" = "usb1"; then if test -e ${devtype} ${devnum}:${distro_bootpart} /${fitimage_name}; then fatload ${devtype} ${devnum}:${distro_bootpart} 0x10000000 ${fitimage_name}; bootm 0x10000000; fi if test -e ${devtype} ${devnum}:${distro_bootpart} /${kernel_name}; then fatload ${devtype} ${devnum}:${distro_bootpart} 0x00200000 ${kernel_name}; fi if test -e ${devtype} ${devnum}:${distro_bootpart} /devicetree/${dtb_name}.dtb; then fatload ${devtype} ${devnum}:${distro_bootpart} 0x00100000 devicetree/${dtb_name}.dtb; else echo "Expected ${dtb_name} Not Found in FAT Partition, Booting with SOM only DTB" fi if test -e ${devtype} ${devnum}:${distro_bootpart} /devicetree/openamp.dtbo; then echo "Loading and merging openamp.dtbo into device tree"; fatload ${devtype} ${devnum}:${distro_bootpart} 0x1000000 devicetree/openamp.dtbo; fdt addr 0x00100000 fdt resize 8192 fdt apply 0x1000000 fi if test -e ${devtype} ${devnum}:${distro_bootpart} /${ramdisk_name} && test "${skip_tinyramdisk}" != "yes"; then fatload ${devtype} ${devnum}:${distro_bootpart} 0x04000000 ${ramdisk_name}; booti 0x00200000 0x04000000 0x00100000 fi if test -e ${devtype} ${devnum}:${distro_bootpart} /${rootfs_name} && test "${skip_ramdisk}" != "yes"; then fatload ${devtype} ${devnum}:${distro_bootpart} 0x04000000 ${rootfs_name}; booti 0x00200000 0x04000000 0x00100000 fi booti 0x00200000 - 0x00100000 fi done