1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0+
3#
4# script to generate FIT image source for i.MX8MQ boards with
5# ARM Trusted Firmware and multiple device trees (given on the command line)
6#
7# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
8
9[ -z "$BL31" ] && BL31="bl31.bin"
10[ -z "$TEE_LOAD_ADDR" ] && TEE_LOAD_ADDR="0xfe000000"
11[ -z "$ATF_LOAD_ADDR" ] && ATF_LOAD_ADDR="0x00910000"
12[ -z "$BL33_LOAD_ADDR" ] && BL33_LOAD_ADDR="0x40200000"
13
14if [ ! -f $BL31 ]; then
15	echo "ERROR: BL31 file $BL31 NOT found" >&2
16	exit 0
17else
18	echo "$BL31 size: " >&2
19	ls -lct $BL31 | awk '{print $5}' >&2
20fi
21
22BL32="tee.bin"
23
24if [ ! -f $BL32 ]; then
25	BL32=/dev/null
26else
27	echo "Building with TEE support, make sure your $BL31 is compiled with spd. If you do not want tee, please delete $BL31" >&2
28	echo "$BL32 size: " >&2
29	ls -lct $BL32 | awk '{print $5}' >&2
30fi
31
32BL33="u-boot-nodtb.bin"
33
34if [ ! -f $BL33 ]; then
35	echo "ERROR: $BL33 file NOT found" >&2
36	exit 0
37else
38	echo "u-boot-nodtb.bin size: " >&2
39	ls -lct u-boot-nodtb.bin | awk '{print $5}' >&2
40fi
41
42for dtname in $*
43do
44	echo "$dtname size: " >&2
45	ls -lct $dtname | awk '{print $5}' >&2
46done
47
48
49cat << __HEADER_EOF
50/dts-v1/;
51
52/ {
53	description = "Configuration to load ATF before U-Boot";
54
55	images {
56		uboot@1 {
57			description = "U-Boot (64-bit)";
58			data = /incbin/("$BL33");
59			type = "standalone";
60			arch = "arm64";
61			compression = "none";
62			load = <$BL33_LOAD_ADDR>;
63		};
64		atf@1 {
65			description = "ARM Trusted Firmware";
66			data = /incbin/("$BL31");
67			type = "firmware";
68			arch = "arm64";
69			compression = "none";
70			load = <$ATF_LOAD_ADDR>;
71			entry = <$ATF_LOAD_ADDR>;
72		};
73__HEADER_EOF
74
75if [ -f $BL32 ]; then
76cat << __HEADER_EOF
77		tee@1 {
78			description = "TEE firmware";
79			data = /incbin/("$BL32");
80			type = "firmware";
81			arch = "arm64";
82			compression = "none";
83			load = <$TEE_LOAD_ADDR>;
84			entry = <$TEE_LOAD_ADDR>;
85		};
86__HEADER_EOF
87fi
88
89cnt=1
90for dtname in $*
91do
92	cat << __FDT_IMAGE_EOF
93		fdt@$cnt {
94			description = "$(basename $dtname .dtb)";
95			data = /incbin/("$dtname");
96			type = "flat_dt";
97			compression = "none";
98		};
99__FDT_IMAGE_EOF
100cnt=$((cnt+1))
101done
102
103cat << __CONF_HEADER_EOF
104	};
105	configurations {
106		default = "config@1";
107
108__CONF_HEADER_EOF
109
110cnt=1
111for dtname in $*
112do
113if [ -f $BL32 ]; then
114cat << __CONF_SECTION_EOF
115		config@$cnt {
116			description = "$(basename $dtname .dtb)";
117			firmware = "uboot@1";
118			loadables = "atf@1", "tee@1";
119			fdt = "fdt@$cnt";
120		};
121__CONF_SECTION_EOF
122else
123cat << __CONF_SECTION1_EOF
124		config@$cnt {
125			description = "$(basename $dtname .dtb)";
126			firmware = "uboot@1";
127			loadables = "atf@1";
128			fdt = "fdt@$cnt";
129		};
130__CONF_SECTION1_EOF
131fi
132cnt=$((cnt+1))
133done
134
135cat << __ITS_EOF
136	};
137};
138__ITS_EOF
139