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Merge pull request #61 from xen0n/dedup
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docs: dedup linux-upstream-support.md a little bit
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@xen0n
xen0n authored Sep 18, 2023
2 parents 787f39c + 6367375 commit 5fc4e5a
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82 changes: 51 additions & 31 deletions docs/linux-upstream-support.md
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Expand Up @@ -12,34 +12,54 @@ sidebar_position: 5
- TODO：有该功能但没有补丁
- N/A：硬件不支持该功能

CPU 支持情况：

| 功能 | 3A5000 | 3A6000 |
|----------|-------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------|
| SMT | N/A | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6f0c9a74a48448583c3cb0f3f067bc3fe0f13c6) |
| LSX/LASX | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=616500232e632dba8b03981eeccadacf2fbf1c30) | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=616500232e632dba8b03981eeccadacf2fbf1c30) |
| LBT | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd3c5798484aa9a08302a844d7a75a2ee3b53d05) | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd3c5798484aa9a08302a844d7a75a2ee3b53d05) |
| HWMon | [WIP](https://github.com/loongarchlinux/linux/commit/fbc7e8f1e72f9efee68cfe7b70cc397adc325818) | [WIP](https://github.com/loongarchlinux/linux/commit/fbc7e8f1e72f9efee68cfe7b70cc397adc325818) |
| CPUFreq | [WIP](https://github.com/loongarchlinux/linux/commit/9eed420e12431d09cbd87eb76ab3d1f77f9fafcd) | [WIP](https://github.com/loongarchlinux/linux/commit/9eed420e12431d09cbd87eb76ab3d1f77f9fafcd) |

桥片支持情况：

| 功能 | 7A1000 | 7A2000 |
|----------------|-------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------|
| RTC | OK(Also in [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1b733a9ebc3d8011ca66ec6ff17f55a440358794)) | OK(Also in [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1b733a9ebc3d8011ca66ec6ff17f55a440358794)) |
| GPIO | [6.4](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7944d3b7fe86067509751473aa917fdfd662d92c) | [6.4](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7944d3b7fe86067509751473aa917fdfd662d92c) |
| I2C | [6.3](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=015e61f0bffd46600496e50d3b2298f51f6b11a8) | [6.3](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=015e61f0bffd46600496e50d3b2298f51f6b11a8) |
| 以太网 | [5.14](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30bba69d7db40e732d6c0aa6d4890c60d717e314) | [WIP](https://github.com/loongarchlinux/linux/commit/2a948c4b7bc5cc2689e2d0edfe83b4980b81b9ad) |
| OHCI USB1.1 | OK | OK |
| EHCI USB2.0 | OK | OK |
| XHCI USB3.0 | N/A | OK |
| GPU 图形处理器 | TODO | TODO |
| DC 显示控制器 | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f39db26c54281da6a785259498ca74b5e470476f) | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f39db26c54281da6a785259498ca74b5e470476f) |
| HDA 音频 | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28bd137a3c8e105587ba8c55b68ef43b519b270f) | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28bd137a3c8e105587ba8c55b68ef43b519b270f) |
| AC97 | TODO | N/A |
| I2S | N/A | [6.5](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d84881e06836dc1655777a592b4279be76ad7324) |
| SATA | OK | OK |
| PCIE | OK | OK |
| SPI | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6c7a864007b66e60a3f64858a9555efed408b048) | [6.6](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6c7a864007b66e60a3f64858a9555efed408b048) |
| LPC | TODO | TODO |
| IOMMU | N/A | [WIP](https://github.com/loongarchlinux/linux/commit/1d26eae35f9a6f9d318112c33a177b3612179b26) |
## CPU 支持情况

| 功能 | 3A5000 | 3A6000 |
|----------|----------------|----------------|
| SMT | N/A | [6.5][smt] |
| LSX/LASX | [6.5][lsx] | [6.5][lsx] |
| LBT | [6.6][lbt] | [6.6][lbt] |
| HWMon | [WIP][hwmon] | [WIP][hwmon] |
| CPUFreq | [WIP][cpufreq] | [WIP][cpufreq] |

[smt]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6f0c9a74a48448583c3cb0f3f067bc3fe0f13c6
[lsx]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=616500232e632dba8b03981eeccadacf2fbf1c30
[lbt]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bd3c5798484aa9a08302a844d7a75a2ee3b53d05
[hwmon]: https://github.com/loongarchlinux/linux/commit/fbc7e8f1e72f9efee68cfe7b70cc397adc325818
[cpufreq]: https://github.com/loongarchlinux/linux/commit/9eed420e12431d09cbd87eb76ab3d1f77f9fafcd

## 桥片支持情况

| 功能 | 7A1000 | 7A2000 |
|----------------|-------------------------|---------------------|
| RTC（UEFI）[^注一]| OK | OK |
| RTC（原生）[^注一]| [6.5][rtc-loongson] | [6.5][rtc-loongson] |
| GPIO | [6.4][gpio] | [6.4][gpio] |
| I2C | [6.3][i2c] | [6.3][i2c] |
| 以太网 | [5.14][dwmac-2k-7a1000] | [WIP][dwmac-7a2000] |
| OHCI USB1.1 | OK | OK |
| EHCI USB2.0 | OK | OK |
| XHCI USB3.0 | N/A | OK |
| GPU 图形处理器 | TODO | TODO |
| DC 显示控制器 | [6.6][dc] | [6.6][dc] |
| HDA 音频 | [6.5][hda] | [6.5][hda] |
| AC97 | TODO | N/A |
| I2S | N/A | [6.5][i2s] |
| SATA | OK | OK |
| PCIE | OK | OK |
| SPI | [6.6][spi] | [6.6][spi] |
| LPC | TODO | TODO |
| IOMMU | N/A | [WIP][iommu] |

[rtc-loongson]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1b733a9ebc3d8011ca66ec6ff17f55a440358794
[gpio]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7944d3b7fe86067509751473aa917fdfd662d92c
[i2c]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=015e61f0bffd46600496e50d3b2298f51f6b11a8
[dwmac-2k-7a1000]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30bba69d7db40e732d6c0aa6d4890c60d717e314
[dwmac-7a2000]: https://github.com/loongarchlinux/linux/commit/2a948c4b7bc5cc2689e2d0edfe83b4980b81b9ad
[dc]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f39db26c54281da6a785259498ca74b5e470476f
[hda]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28bd137a3c8e105587ba8c55b68ef43b519b270f
[i2s]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d84881e06836dc1655777a592b4279be76ad7324
[spi]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6c7a864007b66e60a3f64858a9555efed408b048
[iommu]: https://github.com/loongarchlinux/linux/commit/1d26eae35f9a6f9d318112c33a177b3612179b26

[^注一]: 在遵循 UEFI 规范的龙芯系统中，可以通过 UEFI 的标准接口操作 RTC，也可以绕过固件服务直接读写相关寄存器，但硬件资源实际只有一个。原生 RTC 驱动更多是用于非 EFI 的龙芯系统，如以 DT 方式启动的嵌入式设备等。

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