mirror of
https://github.com/Ysurac/openmptcprouter.git
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207 lines
7.2 KiB
Diff
207 lines
7.2 KiB
Diff
From 77faa07c185c969e742cbb3e6aa487a11b0b616c Mon Sep 17 00:00:00 2001
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Date: Tue, 30 Aug 2022 09:57:42 +0300
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Subject: [PATCH] dt-bindings: arm: qcom: document qcom,msm-id and
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qcom,board-id
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The top level qcom,msm-id and qcom,board-id properties are utilized by
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bootloaders on Qualcomm MSM platforms to determine which device tree
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should be used and passed to the kernel.
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The commit b32e592d3c28 ("devicetree: bindings: Document qcom board
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compatible format") from 2015 was a consensus during discussion about
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upstreaming qcom,msm-id and qcom,board-id fields. There are however still
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problems with that consensus:
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1. It was reached 7 years ago but it turned out its implementation did
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not reach all possible products.
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2. Initially additional tool (dtbTool) was needed for parsing these
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fields to create a QCDT image consisting of multiple DTBs, later the
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bootloaders were improved and they use these qcom,msm-id and
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qcom,board-id properties directly.
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3. Extracting relevant information from the board compatible requires
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this additional tool (dtbTool), which makes the build process more
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complicated and not easily reproducible (DTBs are modified after the
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kernel build).
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4. Some versions of Qualcomm bootloaders expect these properties even
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when booting with a single DTB. The community is stuck with these
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bootloaders thus they require properties in the DTBs.
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Since several upstreamed Qualcomm SoC-based boards require these
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properties to properly boot and the properties are reportedly used by
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bootloaders, document them along with the bindings header with constants
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used by: bootloader, some DTS and socinfo driver.
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Link: https://lore.kernel.org/r/a3c932d1-a102-ce18-deea-18cbbd05ecab@linaro.org/
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Co-developed-by: Kumar Gala <galak@codeaurora.org>
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Signed-off-by: Kumar Gala <galak@codeaurora.org>
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Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Link: https://lore.kernel.org/r/20220830065744.161163-2-krzysztof.kozlowski@linaro.org
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---
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include/dt-bindings/arm/qcom,ids.h | 155 +++++++++++++++++++++++++++++
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1 file changed, 155 insertions(+)
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create mode 100644 include/dt-bindings/arm/qcom,ids.h
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--- /dev/null
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+++ b/include/dt-bindings/arm/qcom,ids.h
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@@ -0,0 +1,155 @@
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+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
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+/*
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+ * Copyright (c) 2015, The Linux Foundation. All rights reserved.
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+ * Copyright (c) 2022 Linaro Ltd
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+ * Author: Krzysztof Kozlowski <krzk@kernel.org> based on previous work of Kumar Gala.
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+ */
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+#ifndef _DT_BINDINGS_ARM_QCOM_IDS_H
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+#define _DT_BINDINGS_ARM_QCOM_IDS_H
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+
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+/*
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+ * The MSM chipset and hardware revision used by Qualcomm bootloaders, DTS for
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+ * older chipsets (qcom,msm-id) and in socinfo driver:
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+ */
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+#define QCOM_ID_MSM8960 87
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+#define QCOM_ID_APQ8064 109
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+#define QCOM_ID_MSM8660A 122
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+#define QCOM_ID_MSM8260A 123
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+#define QCOM_ID_APQ8060A 124
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+#define QCOM_ID_MSM8974 126
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+#define QCOM_ID_MPQ8064 130
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+#define QCOM_ID_MSM8960AB 138
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+#define QCOM_ID_APQ8060AB 139
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+#define QCOM_ID_MSM8260AB 140
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+#define QCOM_ID_MSM8660AB 141
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+#define QCOM_ID_MSM8626 145
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+#define QCOM_ID_MSM8610 147
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+#define QCOM_ID_APQ8064AB 153
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+#define QCOM_ID_MSM8226 158
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+#define QCOM_ID_MSM8526 159
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+#define QCOM_ID_MSM8110 161
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+#define QCOM_ID_MSM8210 162
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+#define QCOM_ID_MSM8810 163
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+#define QCOM_ID_MSM8212 164
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+#define QCOM_ID_MSM8612 165
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+#define QCOM_ID_MSM8112 166
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+#define QCOM_ID_MSM8225Q 168
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+#define QCOM_ID_MSM8625Q 169
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+#define QCOM_ID_MSM8125Q 170
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+#define QCOM_ID_APQ8064AA 172
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+#define QCOM_ID_APQ8084 178
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+#define QCOM_ID_APQ8074 184
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+#define QCOM_ID_MSM8274 185
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+#define QCOM_ID_MSM8674 186
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+#define QCOM_ID_MSM8974PRO_AC 194
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+#define QCOM_ID_MSM8126 198
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+#define QCOM_ID_APQ8026 199
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+#define QCOM_ID_MSM8926 200
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+#define QCOM_ID_MSM8326 205
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+#define QCOM_ID_MSM8916 206
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+#define QCOM_ID_MSM8994 207
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+#define QCOM_ID_APQ8074PRO_AA 208
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+#define QCOM_ID_APQ8074PRO_AB 209
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+#define QCOM_ID_APQ8074PRO_AC 210
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+#define QCOM_ID_MSM8274PRO_AA 211
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+#define QCOM_ID_MSM8274PRO_AB 212
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+#define QCOM_ID_MSM8274PRO_AC 213
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+#define QCOM_ID_MSM8674PRO_AA 214
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+#define QCOM_ID_MSM8674PRO_AB 215
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+#define QCOM_ID_MSM8674PRO_AC 216
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+#define QCOM_ID_MSM8974PRO_AA 217
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+#define QCOM_ID_MSM8974PRO_AB 218
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+#define QCOM_ID_APQ8028 219
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+#define QCOM_ID_MSM8128 220
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+#define QCOM_ID_MSM8228 221
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+#define QCOM_ID_MSM8528 222
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+#define QCOM_ID_MSM8628 223
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+#define QCOM_ID_MSM8928 224
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+#define QCOM_ID_MSM8510 225
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+#define QCOM_ID_MSM8512 226
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+#define QCOM_ID_MSM8936 233
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+#define QCOM_ID_MSM8939 239
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+#define QCOM_ID_APQ8036 240
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+#define QCOM_ID_APQ8039 241
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+#define QCOM_ID_MSM8996 246
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+#define QCOM_ID_APQ8016 247
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+#define QCOM_ID_MSM8216 248
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+#define QCOM_ID_MSM8116 249
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+#define QCOM_ID_MSM8616 250
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+#define QCOM_ID_MSM8992 251
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+#define QCOM_ID_APQ8094 253
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+#define QCOM_ID_MDM9607 290
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+#define QCOM_ID_APQ8096 291
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+#define QCOM_ID_MSM8998 292
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+#define QCOM_ID_MSM8953 293
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+#define QCOM_ID_MDM8207 296
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+#define QCOM_ID_MDM9207 297
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+#define QCOM_ID_MDM9307 298
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+#define QCOM_ID_MDM9628 299
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+#define QCOM_ID_APQ8053 304
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+#define QCOM_ID_MSM8996SG 305
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+#define QCOM_ID_MSM8996AU 310
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+#define QCOM_ID_APQ8096AU 311
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+#define QCOM_ID_APQ8096SG 312
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+#define QCOM_ID_SDM660 317
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+#define QCOM_ID_SDM630 318
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+#define QCOM_ID_APQ8098 319
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+#define QCOM_ID_SDM845 321
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+#define QCOM_ID_MDM9206 322
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+#define QCOM_ID_IPQ8074 323
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+#define QCOM_ID_SDA660 324
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+#define QCOM_ID_SDM658 325
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+#define QCOM_ID_SDA658 326
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+#define QCOM_ID_SDA630 327
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+#define QCOM_ID_SDM450 338
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+#define QCOM_ID_SDA845 341
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+#define QCOM_ID_IPQ8072 342
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+#define QCOM_ID_IPQ8076 343
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+#define QCOM_ID_IPQ8078 344
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+#define QCOM_ID_SDM636 345
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+#define QCOM_ID_SDA636 346
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+#define QCOM_ID_SDM632 349
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+#define QCOM_ID_SDA632 350
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+#define QCOM_ID_SDA450 351
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+#define QCOM_ID_SM8250 356
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+#define QCOM_ID_IPQ8070 375
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+#define QCOM_ID_IPQ8071 376
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+#define QCOM_ID_IPQ8072A 389
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+#define QCOM_ID_IPQ8074A 390
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+#define QCOM_ID_IPQ8076A 391
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+#define QCOM_ID_IPQ8078A 392
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+#define QCOM_ID_SM6125 394
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+#define QCOM_ID_IPQ8070A 395
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+#define QCOM_ID_IPQ8071A 396
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+#define QCOM_ID_IPQ6018 402
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+#define QCOM_ID_IPQ6028 403
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+#define QCOM_ID_IPQ6000 421
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+#define QCOM_ID_IPQ6010 422
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+#define QCOM_ID_SC7180 425
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+#define QCOM_ID_SM6350 434
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+#define QCOM_ID_SM8350 439
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+#define QCOM_ID_SC8280XP 449
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+#define QCOM_ID_IPQ6005 453
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+#define QCOM_ID_QRB5165 455
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+#define QCOM_ID_SM8450 457
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+#define QCOM_ID_SM7225 459
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+#define QCOM_ID_SA8295P 460
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+#define QCOM_ID_SA8540P 461
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+#define QCOM_ID_SM8450_2 480
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+#define QCOM_ID_SM8450_3 482
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+#define QCOM_ID_SC7280 487
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+#define QCOM_ID_SC7180P 495
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+#define QCOM_ID_SM6375 507
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+
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+/*
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+ * The board type and revision information, used by Qualcomm bootloaders and
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+ * DTS for older chipsets (qcom,board-id):
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+ */
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+#define QCOM_BOARD_ID(a, major, minor) \
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+ (((major & 0xff) << 16) | ((minor & 0xff) << 8) | QCOM_BOARD_ID_##a)
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+
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+#define QCOM_BOARD_ID_MTP 8
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+#define QCOM_BOARD_ID_DRAGONBOARD 10
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+#define QCOM_BOARD_ID_SBC 24
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+
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+#endif /* _DT_BINDINGS_ARM_QCOM_IDS_H */
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