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-rw-r--r--meta-xilinx-core/classes/amd_spi_image.bbclass142
1 files changed, 0 insertions, 142 deletions
diff --git a/meta-xilinx-core/classes/amd_spi_image.bbclass b/meta-xilinx-core/classes/amd_spi_image.bbclass
deleted file mode 100644
index ed4c1f87..00000000
--- a/meta-xilinx-core/classes/amd_spi_image.bbclass
+++ /dev/null
@@ -1,142 +0,0 @@
1#
2# Copyright (C) 2023, Advanced Micro Devices, Inc. All rights reserved.
3#
4# SPDX-License-Identifier: MIT
5#
6
7QSPI_SIZE ?= "0x2280000"
8
9# Register values
10IDN_REG ?= "0x4D554241"
11VERSION_REG ?= "0x1"
12LENGTH_REG ?= "0x4"
13PERSISTENT_REG ?= "0x01010000"
14
15# QSPI Offsets
16IMAGE_SELECTOR_OFFSET ?= "0x0"
17IMAGE_SELECTOR_BACKUP_OFFSET ?= "0x80000"
18PERSISTENT_REG_OFFSET ?= "0x100000"
19PERSISTENT_REG_BACKUP_OFFSET ?= "0x120000"
20IMAGE_A_OFFSET ?= "0x200000"
21IMAGE_A_IMGSEL_OFFSET ?= "0xF00000"
22IMAGE_B_OFFSET ?= "0xF80000"
23IMAGE_B_IMGSEL_OFFSET ?= "0x1C80000"
24IMAGE_RCVRY_OFFSET ?= "0x1E00000"
25IMAGE_RCVRY_BACKUP_OFFSET ?= "0x2000000"
26VERSION_OFFSET ?= "0x2240000"
27CHECKSUM_OFFSET ?= "0x2250000"
28
29def generate_spi_image(d):
30
31 import io
32 import hashlib
33 import time
34
35 qspi_size = int(d.getVar("QSPI_SIZE") or '0', 0)
36 int(d.getVar("QSPI_SIZE") or '0', 0)
37
38 # Register values
39 idn_reg = int(d.getVar("IDN_REG") or '0', 0)
40 version_reg = int(d.getVar("VERSION_REG") or '0', 0)
41 length_reg = int(d.getVar("LENGTH_REG") or '0', 0)
42 persistent_reg = int(d.getVar("PERSISTENT_REG") or '0', 0)
43
44 # QSPI Offsets
45 image_selector_offset = int(d.getVar("IMAGE_SELECTOR_OFFSET") or '0', 0)
46 image_selector_backup_offset = int(d.getVar("IMAGE_SELECTOR_BACKUP_OFFSET") or '0', 0)
47 persistent_reg_offset = int(d.getVar("PERSISTENT_REG_OFFSET") or '0', 0)
48 persistent_reg_backup_offset = int(d.getVar("PERSISTENT_REG_BACKUP_OFFSET") or '0', 0)
49 image_a_offset = int(d.getVar("IMAGE_A_OFFSET") or '0', 0)
50 image_a_imgsel_offset = int(d.getVar("IMAGE_A_IMGSEL_OFFSET") or '0', 0)
51 image_b_offset = int(d.getVar("IMAGE_B_OFFSET") or '0', 0)
52 image_b_imgsel_offset = int(d.getVar("IMAGE_B_IMGSEL_OFFSET") or '0', 0)
53 image_rcvry_offset = int(d.getVar("IMAGE_RCVRY_OFFSET") or '0', 0)
54 image_rcvry_backup_offset = int(d.getVar("IMAGE_RCVRY_BACKUP_OFFSET") or '0', 0)
55 version_offset = int(d.getVar("VERSION_OFFSET") or '0', 0)
56 checksum_offset = int(d.getVar("CHECKSUM_OFFSET") or '0', 0)
57
58 # QSPI data
59 qspi_data = io.BytesIO()
60 qspi_data.write(b'\xFF' * qspi_size)
61
62 # Image Selector - Primary, Backup, Image A and Image B
63 imgsel_file = d.getVar("DEPLOY_DIR_IMAGE")+"/imgsel-"+d.getVar("MACHINE")+".bin"
64 try:
65 with open(imgsel_file, "rb") as il:
66 imgsel = il.read(-1)
67 except OSError as err:
68 bb.fatal("Unable to open imgsel file: " + str(err))
69
70 qspi_data.seek(image_selector_offset)
71 qspi_data.write(imgsel)
72 qspi_data.seek(image_selector_backup_offset)
73 qspi_data.write(imgsel)
74 qspi_data.seek(image_a_imgsel_offset)
75 qspi_data.write(imgsel)
76 qspi_data.seek(image_b_imgsel_offset)
77 qspi_data.write(imgsel)
78
79 # Persistent Registers - Primary and Backup
80 p_reg = [idn_reg, version_reg, length_reg, persistent_reg, \
81 image_a_offset, image_b_offset, image_rcvry_offset]
82 checksum = 0xffffffff - (0xffffffff & sum(p_reg))
83 p_reg.insert(3, checksum)
84
85 qspi_data.seek(persistent_reg_offset)
86 for value in p_reg:
87 qspi_data.write(value.to_bytes(4, byteorder="little"))
88
89 qspi_data.seek(persistent_reg_backup_offset)
90 for value in p_reg:
91 qspi_data.write(value.to_bytes(4, byteorder="little"))
92
93 # Image A and B - boot.bin
94 try:
95 with open(d.getVar("DEPLOY_DIR_IMAGE")+"/boot.bin", "rb") as bo:
96 bootbin = bo.read(-1)
97 except OSError as err:
98 bb.fatal("Unable to open boot.bin file: " + str(err))
99
100 qspi_data.seek(image_a_offset)
101 qspi_data.write(bootbin)
102 qspi_data.seek(image_b_offset)
103 qspi_data.write(bootbin)
104
105 # Recovery Image & Recovery Image Backup
106 imgrcry_file = d.getVar("DEPLOY_DIR_IMAGE")+"/imgrcry-"+d.getVar("MACHINE")+".bin"
107 try:
108 with open(imgrcry_file, "rb") as iy:
109 imgrcry = iy.read(-1)
110 except OSError as err:
111 bb.fatal("Unable to open imgrcry file: " + str(err))
112
113 qspi_data.seek(image_rcvry_offset)
114 qspi_data.write(imgrcry)
115 qspi_data.seek(image_rcvry_backup_offset)
116 qspi_data.write(imgrcry)
117
118 # Version string and checksum
119 version = d.getVar("QSPI_IMAGE_VERSION")
120 date = time.strftime("%m%d%H%M")
121 machine = d.getVar("MACHINE")[:3]
122 image_name = d.getVar("QSPI_IMAGE_NAME")
123
124 qspi_version = f"{image_name}-{machine}-v{version}-{date}\x00"
125 qspi_data.seek(version_offset)
126 qspi_data.write(qspi_version.encode())
127
128 qspi_sha = hashlib.sha256(qspi_data.getbuffer())
129 qspi_data.seek(checksum_offset)
130 qspi_data.write(qspi_sha.digest())
131
132 # Write the QSPI data to file
133 with open(d.getVar("B") + "/" + d.getVar("IMAGE_NAME") + ".bin", "wb") as sq:
134 sq.write(qspi_data.getbuffer())
135
136do_compile[depends] += "virtual/boot-bin:do_deploy virtual/imgsel:do_deploy virtual/imgrcry:do_deploy"
137
138python amd_spi_image_do_compile() {
139 generate_spi_image(d)
140}
141
142EXPORT_FUNCTIONS do_compile