升级到 20210223-5 后，20.03 LTS/20.03 LTS SP1/20.09 版本下 USB 失效

**测试镜像** [openEuler-20.03-LTS-SP1 内核镜像](https://isrc.iscas.ac.cn/eulixos/repo/others/openeuler-raspberrypi/images/openEuler-20.03-LTS-SP1-raspi-aarch64-alpha4.img.xz) 或 [openEuler-20.09 内测镜像](https://isrc.iscas.ac.cn/eulixos/repo/others/openeuler-raspberrypi/images/openEuler-20.09-raspi-aarch64-alpha6.img.xz)

**raspberrypi-firmware 软件包** [raspberrypi-firmware-20210223-5](http://119.3.219.20:82/openEuler:/21.03:/Epol/standard_aarch64/aarch64/raspberrypi-firmware-20210223-5.oe1.aarch64.rpm)、[raspberrypi-firmware-20201110-4](http://119.3.219.20:82/openEuler:/20.03:/LTS:/SP1:/Epol/standard_aarch64/aarch64/raspberrypi-firmware-20201110-4.oe1.aarch64.rpm)

**描述** 使用最新的 raspberrypi-firmware 20210223-5 （[firmware](https://github.com/raspberrypi/firmware) [1.20210201](https://github.com/raspberrypi/firmware/releases/tag/1.20210201)）后，在 20.03 LTS/20.03 LTS SP1/20.09 版本下 USB 失效，具体表现为：连接鼠标、键盘、U 盘后，无法输入信息，看不到 U 盘信息。但是在 openEuler 21.03（openEuler 5.10.0-4.0.0 + raspberrypi）下 USB 使用正常。（树莓派 400/3B+ 使用正常）

**临时解决** 20.03 LTS/20.03 LTS SP1/20.09 暂不升级 raspberrypi-firmware 版本，保留在 20201110-4（[firmware](https://github.com/raspberrypi/firmware) [1.20201022](https://github.com/raspberrypi/firmware/releases/tag/1.20201022)）。

**启动日志参考** 
```
Sep 03 17:27:19 openEuler kernel: efi: Getting EFI parameters from FDT:
Sep 03 17:27:19 openEuler kernel: efi: UEFI not found.
Sep 03 17:27:19 openEuler kernel: cma: Reserved 256 MiB at 0x000000001ec00000
Sep 03 17:27:19 openEuler kernel: On node 0 totalpages: 1012736
Sep 03 17:27:19 openEuler kernel:   DMA32 zone: 3792 pages used for memmap
Sep 03 17:27:19 openEuler kernel:   DMA32 zone: 0 pages reserved
Sep 03 17:27:19 openEuler kernel:   DMA32 zone: 242688 pages, LIFO batch:63
Sep 03 17:27:19 openEuler kernel:   Normal zone: 12032 pages used for memmap
Sep 03 17:27:19 openEuler kernel:   Normal zone: 770048 pages, LIFO batch:63
Sep 03 17:27:19 openEuler kernel: random: get_random_bytes called from start_kernel+0xbc/0x488 with crng_init=0
Sep 03 17:27:19 openEuler kernel: percpu: Embedded 23 pages/cpu s57240 r8192 d28776 u94208
Sep 03 17:27:19 openEuler kernel: pcpu-alloc: s57240 r8192 d28776 u94208 alloc=23*4096
Sep 03 17:27:19 openEuler kernel: pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
Sep 03 17:27:19 openEuler kernel: Detected PIPT I-cache on CPU0
Sep 03 17:27:19 openEuler kernel: CPU features: enabling workaround for Mismatched cache type
Sep 03 17:27:19 openEuler kernel: ARM_SMCCC_ARCH_WORKAROUND_1 missing from firmware
Sep 03 17:27:19 openEuler kernel: CPU features: enabling workaround for EL2 vector hardening
Sep 03 17:27:19 openEuler kernel: Built 1 zonelists, mobility grouping on.  Total pages: 996912
```

src-openEuler/raspberrypi-firmware

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