将昉·星光 2连接到网络

本节提供将昉·星光 2连接到网络和进入U-Boot终端的步骤。

1. 将USB转串口转换器的跳线连接到昉·星光 240-Pin GPIO Header的Debug pin上。下图为示例：

   

2. 将串口波特率设置为115200 bps。
3. 将昉·星光 2接上网线和电源线。
4. 启动昉·星光 2，您将看到以下启动信息：

   U-Boot SPL 2021.10 (Oct 31 2022 - 12:11:37 +0800)
   DDR version: dc2e84f0.
   Trying to boot from SPI
   OpenSBI v1.0
    ____ _____ ____ _____
    / __ \ / ____| _ \_ _|
    | | | |_ __ ___ _ __ | (___ | |_) || |
    | | | | '_ \ / _ \ '_ \ \___ \| _ < | |
    | |__| | |_) | __/ | | |____) | |_) || |_
    \____/| .__/ \___|_| |_|_____/|____/_____|
    | |
    |_|
   Platform Name : StarFive VisionFive V2
   Platform Features : medeleg
   Platform HART Count : 5
   Platform IPI Device : aclint-mswi
   Platform Timer Device : aclint-mtimer @ 4000000Hz
   Platform Console Device : uart8250
   Platform HSM Device : ---
   Platform Reboot Device : ---
   Platform Shutdown Device : ---
   Firmware Base : 0x40000000
   Firmware Size : 360 KB
   Runtime SBI Version : 0.3
   Domain0 Name : root
   Domain0 Boot HART : 3
   Domain0 HARTs : 0*,1*,2*,3*,4*
   Domain0 Region00 : 0x0000000002000000-0x000000000200ffff (I)
   Domain0 Region01 : 0x0000000040000000-0x000000004007ffff ()
   Domain0 Region02 : 0x0000000000000000-0xffffffffffffffff 
    (R,W,X)
   Domain0 Next Address : 0x0000000040200000
   Domain0 Next Arg1 : 0x0000000042200000
   Domain0 Next Mode : S-mode
   Domain0 SysReset : yes
   Boot HART ID : 3
   Boot HART Domain : root
   Boot HART Priv Version : v1.11
   Boot HART Base ISA : rv64imafdcbx
   Boot HART ISA Extensions : none
   Boot HART PMP Count : 8
   Boot HART PMP Granularity : 4096
   Boot HART PMP Address Bits: 34
   Boot HART MHPM Count : 2
   Boot HART MIDELEG : 0x0000000000000222
   Boot HART MEDELEG : 0x000000000000b109
   U-Boot 2021.10 (Oct 31 2022 - 12:11:37 +0800), Build: 
    jenkins-VF2_515_Branch_SDK_Release-10
   CPU: rv64imacu
   Model: StarFive VisionFive V2
   DRAM: 8 GiB
   MMC: sdio0@16010000: 0, sdio1@16020000: 1
   Loading Environment from SPIFlash... SF: Detected gd25lq128 with page 
    size 256 Bytes, erase size 4 KiB, total 16 MiB
   *** Warning - bad CRC, using default environment
   StarFive EEPROM format v2
   --------EEPROM INFO--------
   Vendor : StarFive Technology Co., Ltd.
   Product full SN: VF7110A1-2243-D008E000-00000001
   data version: 0x2
   PCB revision: 0xa1
   BOM revision: A
   Ethernet MAC0 address: 6c:cf:39:00:14:5b
   Ethernet MAC1 address: 6c:cf:39:00:14:5c
   --------EEPROM INFO--------
   In: serial@10000000
   Out: serial@10000000
   Err: serial@10000000
   Model: StarFive VisionFive V2
   Net: eth0: ethernet@16030000, eth1: ethernet@16040000
   switch to partitions #0, OK
   mmc1 is current device
   found device 1
   bootmode flash device 1
   Failed to load 'uEnv.txt'
   Can't set block device
   Hit any key to stop autoboot: 0 
   StarFive #

5. 按任意键停止，进入U-Boot终端。