]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - board/synopsys/hsdk/headerize-hsdk.py
1 # SPDX-License-Identifier: GPL-2.0+
3 # Copyright (C) 2018 Synopsys, Inc. All rights reserved.
4 # Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
6 import os
, getopt
, sys
, zlib
7 from elftools
.elf
.elffile
import ELFFile
12 print(sys
.argv
[0] + " --arc-id 0x52 --image u-boot.bin --elf u-boot")
16 def elf_get_entry(filename
):
17 with
open(filename
, 'rb') as f
:
19 return elffile
.header
['e_entry']
22 def calc_check_sum(filename
):
23 # u-boot.head check_sum for preloader - it is sum of all u-boot binary bytes
24 with
open(filename
, "rb") as file:
25 ba
= bytearray(file.read())
29 def arg_verify(uboot_bin_filename
, uboot_elf_filename
, arc_id
):
30 if arc_id
not in [0x52, 0x53, 0x54]:
31 print("unknown ARC ID: " + hex(arc_id
))
34 if not os
.path
.isfile(uboot_bin_filename
):
35 print("uboot bin file not exists: " + uboot_bin_filename
)
38 if not os
.path
.isfile(uboot_elf_filename
):
39 print("uboot elf file not exists: " + uboot_elf_filename
)
45 opts
, args
= getopt
.getopt(sys
.argv
[1:],
46 "ha:i:l:e:", ["help", "arc-id=", "image=", "elf="])
47 except getopt
.GetoptError
as err
:
52 uboot_elf_filename
= "u-boot"
53 uboot_bin_filename
= "u-boot.bin"
54 headerised_filename
= "u-boot.head"
55 uboot_scrypt_file
= "u-boot-update.txt"
57 # initial header values: place where preloader will store u-boot binary,
58 # should be equal to CONFIG_TEXT_BASE
59 image_copy_adr
= 0x81000000
61 # initial constant header values, do not change these values
62 arc_id
= 0x52 # 0x52 for 1st HSDK release (hardcoded in RTL)
63 magic1
= 0xdeadbeafaf # big endian byte order
65 flash_type
= 0x0 # 0 - SPI flash, 1 - NOR flash
66 magic2
= [ # big endian byte order
67 0x20202a2020202020202020202a20202020207c5c2e20202020202e2f7c20202020207c2d,
68 0x2e5c2020202f2e2d7c20202020205c2020602d2d2d6020202f20202020202f205f202020,
69 0x205f20205c20202020207c205f60712070205f207c2020202020272e5f3d2f205c3d5f2e,
70 0x272020202020202020605c202f60202020202020202020202020206f2020202020202020]
73 if opt
in ('-h', "--help"): usage(0)
74 if opt
in ('-a', "--arc-id"): arc_id
= int(arg
, 16)
75 if opt
in ('-i', "--image"): uboot_bin_filename
= arg
76 if opt
in ('-e', "--elf"): uboot_elf_filename
= arg
78 arg_verify(uboot_bin_filename
, uboot_elf_filename
, arc_id
)
80 uboot_img_size
= os
.path
.getsize(uboot_bin_filename
)
81 jump_address
= elf_get_entry(uboot_elf_filename
)
82 check_sum
= calc_check_sum(uboot_bin_filename
)
84 # write header to file
85 with
open(headerised_filename
, "wb") as file:
86 file.write(arc_id
.to_bytes(2, byteorder
='little'))
87 file.write(uboot_img_size
.to_bytes(4, byteorder
='little'))
88 file.write(check_sum
.to_bytes(1, byteorder
='little'))
89 file.write(image_copy_adr
.to_bytes(4, byteorder
='little'))
90 file.write(magic1
.to_bytes(5, byteorder
='big'))
91 file.write(jump_address
.to_bytes(4, byteorder
='little'))
92 for i
in range(12): file.write(0xFF.to_bytes(1, byteorder
='little'))
93 for byte
in magic2
: file.write(byte
.to_bytes(36, byteorder
='big'))
94 for i
in range(208 - len(magic2
) * 36):
95 file.write(0xFF.to_bytes(1, byteorder
='little'))
96 file.write(flash_address
.to_bytes(4, byteorder
='little'))
97 for i
in range(11): file.write(0xFF.to_bytes(1, byteorder
='little'))
98 file.write(flash_type
.to_bytes(1, byteorder
='little'))
100 # append u-boot image to header
101 with
open(headerised_filename
, "ab") as fo
:
102 with
open(uboot_bin_filename
,'rb') as fi
:
105 # calc u-boot headerized image CRC32 (will be used by uboot update
107 headerised_image_crc
= ""
108 with
open(headerised_filename
, "rb") as fi
:
109 headerised_image_crc
= hex(zlib
.crc32(fi
.read()) & 0xffffffff)
111 load_addr
= 0x81000000
112 crc_store_adr
= load_addr
- 0x8
113 crc_calc_adr
= crc_store_adr
- 0x4
114 load_size
= os
.path
.getsize(headerised_filename
)
116 "crc32 " + hex(load_addr
) + " " + hex(load_size
) + " " + hex(crc_calc_adr
)
118 "mw.l " + hex(crc_store_adr
) + " " + headerised_image_crc
+ " && " + \
119 crc_calc_cmd
+ " && " + \
120 "cmp.l " + hex(crc_store_adr
) + " " + hex(crc_calc_adr
) + " 1"
122 # make errase size to be allighned by 64K
123 if load_size
& 0xFFFF == 0:
124 errase_size
= load_size
126 errase_size
= load_size
- (load_size
& 0xFFFF) + 0x10000
128 # u-bood CMD to load u-bood with header to SPI flash
129 sf_load_image_cmd
= \
130 "fatload mmc 0:1 " + hex(load_addr
) + " " + headerised_filename
+ " && " + \
131 "sf probe 0:0 && " + \
132 crc_check_cmd
+ " && " + \
133 "sf protect unlock 0x0 " + hex(errase_size
) + " && " + \
134 "sf erase 0x0 " + hex(errase_size
) + " && " + \
135 "sf write " + hex(load_addr
) + " 0x0 " + hex(load_size
) + " && " + \
136 "sf protect lock 0x0 " + hex(errase_size
)
138 update_uboot_cmd
= sf_load_image_cmd
+ " && echo \"u-boot update: OK\""
140 with
open(uboot_scrypt_file
, "wb") as fo
:
141 fo
.write(update_uboot_cmd
.encode('ascii'))
144 if __name__
== "__main__":
147 except Exception as err
: