微處理器 - Allwinner D1-H (Sipeed Nezha) - Build OpenSBI、U-Boot


參考資訊：
https://linux-sunxi.org/Allwinner_Nezha

連接UART


編譯步驟： 

$ cd
$ clone https://github.com/riscv-software-src/opensbi
$ opensbi
$ make CROSS_COMPILE=riscv64-linux-gnu- PLATFORM=generic FW_PIC=y

$ cd
$ git clone https://github.com/smaeul/u-boot -b d1-wip
$ cd u-boot
$ make CROSS_COMPILE=riscv64-linux-gnu- nezha_defconfig
$ make CROSS_COMPILE=riscv64-linux-gnu- OPENSBI=../opensbi/build/platform/generic/firmware/fw_dynamic.bin

$ sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8

Baudrate 115200bps 

U-Boot SPL 2024.01-rc1-45338-g2e89b706f5c (Sep 06 2026 - 10:22:41 +0800)
mxstatus=0xc0408000 mhcr=0x0000010b mcor=0x00000003 mhint=0x00004000
Trying to boot from MMC1
SPL size = 81920, sector = 160

OpenSBI v1.9-47-g3593a5fa
   ____                    _____ ____ _____
  / __ \                  / ____|  _ \_   _|
 | |  | |_ __   ___ _ __ | (___ | |_) || |
 | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
 | |__| | |_) |  __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

Platform Name               : Allwinner D1 Nezha
Platform Features           : medeleg
Platform HART Count         : 1
Platform HART Protection    : pmp
Platform IPI Device         : ---
Platform Timer Device       : --- @ 0Hz
Platform Console Device     : uart8250
Platform HSM Device         : sun20i-d1-ppu
Platform PMU Device         : thead,c900-pmu
Platform Reboot Device      : ---
Platform Shutdown Device    : ---
Platform Suspend Device     : ---
Platform CPPC Device        : ---
Firmware Base               : 0x40000000
Firmware Size               : 329 KB
Firmware RW Offset          : 0x40000
Firmware RW Size            : 73 KB
Firmware Heap Offset        : 0x49000
Firmware Heap Size          : 37 KB (total), 0 KB (reserved), 15 KB (used), 20 KB (free)
Firmware Scratch Size       : 4096 B (total), 488 B (used), 3608 B (free)
Runtime SBI Version         : 3.0
Standard SBI Extensions     : time,rfnc,ipi,base,hsm,pmu,dbcn,fwft,legacy,sse
Experimental SBI Extensions : none

Domain0 Name                : root
Domain0 Boot HART           : 0
Domain0 HARTs               : 0x0*
Domain0 Region00            : 0x0000000040040000-0x000000004005ffff M: (F,R,W) S/U: ()
Domain0 Region01            : 0x0000000040000000-0x000000004003ffff M: (F,R,X) S/U: ()
Domain0 Region02            : 0x0000000002500000-0x0000000002500fff M: (I,R,W) S/U: (R,W)
Domain0 Region03            : 0x0000000010000000-0x0000000013ffffff M: (I,R,W) S/U: (R,W)
Domain0 Region04            : 0x0000000000000000-0xffffffffffffffff M: () S/U: (R,W,X)
Domain0 Next Address        : 0x0000000042e00000
Domain0 Next Arg1           : 0x0000000042e97600
Domain0 Next Mode           : S-mode
Domain0 SysReset            : yes
Domain0 SysSuspend          : yes

Boot HART ID                : 0
Boot HART Domain            : root
Boot HART Priv Version      : v1.11
Boot HART Base ISA          : rv64imafdcvx
Boot HART ISA Extensions    : zicntr,zihpm,f,d
Boot HART PMP Count         : 8
Boot HART PMP Granularity   : 11 bits
Boot HART PMP Address Bits  : 38
Boot HART MHPM Info         : 12 (0x0003e3f8)
Boot HART Debug Triggers    : 0 triggers
Boot HART MIDELEG           : 0x0000000000020222
Boot HART MEDELEG           : 0x000000000000b109


U-Boot 2024.01-rc1-45338-g2e89b706f5c (Sep 06 2026 - 10:22:41 +0800) Allwinner Technology

DRAM:  2 GiB
Core:  53 devices, 21 uclasses, devicetree: separate
WDT:   Started watchdog@6011000 with servicing every 1000ms (16s timeout)
MMC:   mmc@4020000: 0, mmc@4021000: 1
Loading Environment from FAT... Unable to use mmc 0:1...
In:    serial,usbkbd
Out:   serial,vidconsole
Err:   serial,vidconsole
Net:   
Warning: ethernet@4500000 (eth0) using random MAC address - fa:37:76:c3:47:72
eth0: ethernet@4500000
starting USB...
Bus usb@4101000: USB EHCI 1.00
Bus usb@4101400: USB OHCI 1.0
Bus usb@4200000: USB EHCI 1.00
Bus usb@4200400: USB OHCI 1.0
scanning bus usb@4101000 for devices... 1 USB Device(s) found
scanning bus usb@4101400 for devices... 1 USB Device(s) found
scanning bus usb@4200000 for devices... 1 USB Device(s) found
scanning bus usb@4200400 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc0 is current device

Device 0: unknown device
ethernet@4500000 Waiting for PHY auto negotiation to complete......... TIMEOUT !