89 lines
3.2 KiB
Bash
Executable File
89 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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echo "BUILDROOT_BUILD_DIR = $BUILDROOT_BUILD_DIR"
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NAND_ERASE_BB=false
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if [ "$1" == "erase-bb" ]; then
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NAND_ERASE_BB=true
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fi
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PADDED_SPL="/tmp/sunxi-padded-spl"
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PADDED_SPL_SIZE=0
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UBOOT_SCRIPT="/tmp/uboot.scr"
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UBOOT_SCRIPT_MEM_ADDR=0x43100000
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UBOOT_SCRIPT_SRC="/tmp/uboot.cmds"
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SPL="$BUILDROOT_BUILD_DIR/images/sunxi-spl.bin"
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SPL_MEM_ADDR=0x43000000
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UBOOT="$BUILDROOT_BUILD_DIR/images/u-boot-dtb.bin"
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PADDED_UBOOT="/tmp/padded-uboot"
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PADDED_UBOOT_SIZE=0
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UBOOT_MEM_ADDR=0x4a000000
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UBI="$BUILDROOT_BUILD_DIR/images/rootfs.ubi"
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UBI_MEM_ADDR=0x44000000
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UBI_SIZE=`stat --printf="%s" $UBI | xargs printf "0x%08x"`
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prepare_images() {
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local in=$SPL
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local out=$PADDED_SPL
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if [ -e $out ]; then
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rm $out
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fi
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dd if=$in of=$out bs=8k count=1 skip=0 conv=sync
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dd if=/dev/urandom of=$out bs=8k count=1 seek=1 conv=sync
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dd if=$in of=$out bs=8k count=1 skip=1 seek=2 conv=sync
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dd if=/dev/urandom of=$out bs=8k count=1 seek=3 conv=sync
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dd if=$in of=$out bs=8k count=1 skip=2 seek=4 conv=sync
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dd if=/dev/urandom of=$out bs=8k count=1 seek=5 conv=sync
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PADDED_SPL_SIZE=`stat --printf="%s" $out | xargs printf "0x%08x"`
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dd if=$UBOOT of=$PADDED_UBOOT bs=16k conv=sync
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PADDED_UBOOT_SIZE=`stat --printf="%s" $PADDED_UBOOT | xargs printf "0x%08x"`
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}
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prepare_uboot_script() {
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if [ "$NAND_ERASE_BB" = true ] ; then
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echo "nand scrub 0x0 0x200000000" > $UBOOT_SCRIPT_SRC
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else
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echo "nand erase 0x0 0x200000000" > $UBOOT_SCRIPT_SRC
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fi
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echo "sunxi_nand config spl" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x0 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x100000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x200000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x300000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x400000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x500000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x600000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write $SPL_MEM_ADDR 0x700000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "sunxi_nand config default" >> $UBOOT_SCRIPT_SRC
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echo "nand write $UBOOT_MEM_ADDR 0x800000 $PADDED_UBOOT_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "nand write.trimffs $UBI_MEM_ADDR 0x1000000 $UBI_SIZE" >> $UBOOT_SCRIPT_SRC
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echo "setenv bootargs root=ubi0:rootfs rootfstype=ubifs rw earlyprintk ubi.mtd=4" >> $UBOOT_SCRIPT_SRC
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echo "setenv bootcmd 'mtdparts; ubi part UBI; ubifsmount ubi0:rootfs; ubifsload \$fdt_addr_r /boot/sun5i-r8-chip.dtb; ubifsload \$kernel_addr_r /boot/zImage; bootz \$kernel_addr_r - \$fdt_addr_r'" >> $UBOOT_SCRIPT_SRC
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echo "saveenv" >> $UBOOT_SCRIPT_SRC
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echo "boot" >> $UBOOT_SCRIPT_SRC
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mkimage -A arm -T script -C none -n "flash CHIP" -d $UBOOT_SCRIPT_SRC $UBOOT_SCRIPT
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}
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echo == preparing images ==
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prepare_images
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prepare_uboot_script
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echo == upload the SPL to SRAM and execute it ==
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fel spl $SPL
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sleep 1 # wait for DRAM initialization to complete
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echo == upload images ==
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fel write $SPL_MEM_ADDR $PADDED_SPL
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fel write $UBOOT_MEM_ADDR $PADDED_UBOOT
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fel write $UBOOT_MEM_ADDR $PADDED_UBOOT
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fel write $UBI_MEM_ADDR $UBI
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fel write $UBOOT_SCRIPT_MEM_ADDR $UBOOT_SCRIPT
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echo == execute the main u-boot binary ==
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fel exe $UBOOT_MEM_ADDR
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