Add basic chip tools

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

chip-fel-flash.sh

@@ -0,0 +1,88 @@
+#!/bin/bash
+
+echo "BUILDROOT_BUILD_DIR = $BUILDROOT_BUILD_DIR"
+
+NAND_ERASE_BB=false
+if [ "$1" == "erase-bb" ]; then
+	NAND_ERASE_BB=true
+fi
+
+PADDED_SPL="/tmp/sunxi-padded-spl"
+PADDED_SPL_SIZE=0
+UBOOT_SCRIPT="/tmp/uboot.scr"
+UBOOT_SCRIPT_MEM_ADDR=0x43100000
+UBOOT_SCRIPT_SRC="/tmp/uboot.cmds"
+SPL="$BUILDROOT_BUILD_DIR/output/images/sunxi-spl.bin"
+SPL_MEM_ADDR=0x43000000
+UBOOT="$BUILDROOT_BUILD_DIR/output/images/u-boot-dtb.bin"
+PADDED_UBOOT="/tmp/padded-uboot"
+PADDED_UBOOT_SIZE=0
+UBOOT_MEM_ADDR=0x4a000000
+UBI="$BUILDROOT_BUILD_DIR/output/images/rootfs.ubi"
+UBI_MEM_ADDR=0x44000000
+UBI_SIZE=`stat --printf="%s" $UBI | xargs printf "0x%08x"`
+
+prepare_images() {
+	local in=$SPL
+	local out=$PADDED_SPL
+
+	if [ -e $out ]; then
+		rm $out
+	fi
+
+	dd if=$in of=$out bs=8k count=1 skip=0 conv=sync
+	dd if=/dev/urandom of=$out bs=8k count=1 seek=1 conv=sync
+	dd if=$in of=$out bs=8k count=1 skip=1 seek=2 conv=sync
+	dd if=/dev/urandom of=$out bs=8k count=1 seek=3 conv=sync
+	dd if=$in of=$out bs=8k count=1 skip=2 seek=4 conv=sync
+	dd if=/dev/urandom of=$out bs=8k count=1 seek=5 conv=sync
+	PADDED_SPL_SIZE=`stat --printf="%s" $out | xargs printf "0x%08x"`
+
+	dd if=$UBOOT of=$PADDED_UBOOT bs=16k conv=sync
+	PADDED_UBOOT_SIZE=`stat --printf="%s" $PADDED_UBOOT | xargs printf "0x%08x"`
+}
+
+prepare_uboot_script() {
+	if [ "$NAND_ERASE_BB" = true ] ; then
+		echo "nand scrub 0x0 0x200000000" > $UBOOT_SCRIPT_SRC
+	else
+		echo "nand erase 0x0 0x200000000" > $UBOOT_SCRIPT_SRC
+	fi
+	echo "sunxi_nand config spl" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x0 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x100000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x200000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x300000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x400000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x500000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x600000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $SPL_MEM_ADDR 0x700000 $PADDED_SPL_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "sunxi_nand config default" >> $UBOOT_SCRIPT_SRC
+	echo "nand write $UBOOT_MEM_ADDR 0x800000 $PADDED_UBOOT_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "nand write.trimffs $UBI_MEM_ADDR 0x1000000 $UBI_SIZE" >> $UBOOT_SCRIPT_SRC
+	echo "setenv bootargs root=ubi0:rootfs rootfstype=ubifs rw earlyprintk ubi.mtd=4" >> $UBOOT_SCRIPT_SRC
+	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
+	echo "saveenv" >> $UBOOT_SCRIPT_SRC
+	echo "boot" >> $UBOOT_SCRIPT_SRC
+
+	mkimage -A arm -T script -C none -n "flash CHIP" -d $UBOOT_SCRIPT_SRC $UBOOT_SCRIPT
+}
+
+echo == preparing images ==
+prepare_images
+prepare_uboot_script
+
+echo == upload the SPL to SRAM and execute it ==
+fel spl $SPL
+
+sleep 1 # wait for DRAM initialization to complete
+
+echo == upload images ==
+fel write $SPL_MEM_ADDR $PADDED_SPL
+fel write $UBOOT_MEM_ADDR $PADDED_UBOOT
+fel write $UBOOT_MEM_ADDR $PADDED_UBOOT
+fel write $UBI_MEM_ADDR $UBI
+fel write $UBOOT_SCRIPT_MEM_ADDR $UBOOT_SCRIPT
+
+echo == execute the main u-boot binary ==
+fel exe $UBOOT_MEM_ADDR

chip-fel-upload.sh

@@ -0,0 +1,31 @@
+#! /bin/bash
+
+SPL=$1
+UBOOT=$2
+KERNEL=$3
+DTB=$4
+INITRD=$5
+SCRIPT=$6
+
+echo == upload the SPL to SRAM and execute it ==
+fel spl $SPL
+
+sleep 1 # wait for DRAM initialization to complete
+
+echo == upload the main u-boot binary to DRAM ==
+fel write 0x4a000000 $UBOOT
+
+echo == upload the kernel ==
+fel write 0x42000000 $KERNEL
+
+echo == upload the DTB file ==
+fel write 0x43000000 $DTB
+
+echo == upload the boot.scr file ==
+fel write 0x43100000 $SCRIPT
+
+echo == upload the initramfs file ==
+fel write 0x43300000 $INITRD
+
+echo == execute the main u-boot binary ==
+fel exe   0x4a000000