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[FIXUP/FEATURE/OFW] OFW API #9411

Merged
merged 7 commits into from
Sep 13, 2024
Merged

[FIXUP/FEATURE/OFW] OFW API #9411

merged 7 commits into from
Sep 13, 2024

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GuEe-GUI
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@GuEe-GUI GuEe-GUI commented Sep 10, 2024 •
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拉取/合并请求描述：(PR description)

[
Fixup:

  1. Remove rt_ofw_foreach_node_by_compatible args's type.
  2. Increase append child node's ref_count.
  3. Make DTS version header always v1.0.
  4. Remove the last empty string for bootargs.
  5. Fixup ofw_parse_object object find flow.

Feature:

  1. Add bootargs select in early
  2. Add address reverse/translate for DMA/CPU's address

Test:

  • qemu-virt64-aarch64
  • rockchip/rk3568
    ]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

  • 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
  • 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality：

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

  • 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
  • 代码风格正确，包括缩进空格，命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
  • 没有垃圾代码，代码尽量精简，不包含#if 0代码，不包含已经被注释了的代码 All redundant code is removed and cleaned up
  • 所有变更均有原因及合理的，并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
  • 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
  • 代码是高质量的 Code in this PR is of high quality
  • 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification

@GuEe-GUI
[FIXUP/OFW] rt_ofw_foreach_node_by_compatible args
522fe87 
Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FIXUP/OFW] Increase append child node's ref_count
93e67ac 
rt_ofw_append_child append a new child node and return,
ref_get is necessary.

Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FIXUP/OFW] DTS version header always v1.0
99ccf58 
Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FIXUP/OFW] remove the last empty string for bootargs
4b91fd9 
Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FIXUP/OFW] ofw_parse_object fail
00ad8c3 
The ofw parse should:
1. Check obj_name EQU the current node's rt_data.
2. Find the next object name.
3. goto "2" until obj_name EQU the cmp_cell's obj_name.

Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FEATURE/FDT] Add bootargs select in early
9a647bf 
Maybe use for memory/DMA buffer init before
ofw_node unflatten.

Signed-off-by: GuEe-GUI <[email protected]>
@GuEe-GUI
[FEATURE/OFW] add address reverse/translate for DMA/CPU's address
d725bb7 
DMA and CPU address view is different, we need to convert them:

    +--------+    +--------+  +---------+          +--------+
    |        |    |        |  |         |          |        |
    |  CPUs  |    |  DEV0  |  |  IOMMU  <----+     |  DEV1  |
    |        |    |        |  |         |    |     |        |
    +----+---+    +----+---+  +----+----+    |     +----+---+
         |             |           |         |          |
0x200000 |      0x1000 |    0x1000 |         |   0x8000 |
         |             |           |         |          |
         +-------------+-----------+         +----------+
         |
         |
+--------v----------------------------------------------------+
|                                                             |
|                          Address BUS                        |
|                                                             |
+-------------------------------------------------------------+

Signed-off-by: GuEe-GUI <[email protected]>
@supperthomas
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cppcheck错误可以忽略

@mysterywolf mysterywolf merged commit 2d026a3 into RT-Thread:master Sep 13, 2024
43 of 44 checks passed
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@supperthomas supperthomas supperthomas approved these changes

@polarvid polarvid polarvid approved these changes

@Rbb666 Rbb666 Awaiting requested review from Rbb666

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4 participants
@GuEe-GUI @supperthomas @polarvid @mysterywolf