1#!/bin/bash
2#
3# Creates a "firmware SD Card" with u-boot for the SiFive Unmatched board
4# based on https://u-boot.readthedocs.io/en/latest/board/sifive/unmatched.html
5#
6
7if [[ $# -ne 1 ]]; then
8	echo "Usage: $0 /dev/sdX"
9	echo "WARNING: Everything on target block device will be erased!"
10	exit 1
11fi
12
13if [[ $(whoami) != "root" ]]; then
14	echo "Run me as root!  sudo $0"
15	exit 1
16fi
17
18DEVICE=$1
19URI_BASE="https://raw.githubusercontent.com/haiku/firmware/master/u-boot/riscv64/unmatched"
20
21echo "Unmounting SD Card at $DEVICE..."
22umount -q $DEVICE*
23
24echo "Setting up SD Card at $DEVICE..."
25sgdisk -g --clear -a 1 \
26	--new=1:34:2081 --change-name=1:spl --typecode=1:5B193300-FC78-40CD-8002-E86C45580B47 \
27	--new=2:2082:10273 --change-name=2:uboot --typecode=2:2E54B353-1271-4842-806F-E436D6AF6985 \
28	$DEVICE
29
30echo "Writing u-boot to $DEVICE..."
31curl -s $URI_BASE/u-boot-spl.bin --output - | dd of=$DEVICE seek=34
32curl -s $URI_BASE/u-boot.itb --output - | dd of=$DEVICE seek=2082
33
34echo "Complete! Here are the next steps:"
35echo " 1) Plug the SD Card into the Unmatched board"
36echo " 2) Write haiku-mmc.image to a USB drive"
37echo " 3) Plug the USB drive into the Unmatched"
38echo "Enjoy Haiku!"
39