Re: I ported the panfrost driver on FreeBSD 15.0 for my radxa zero 3W board,BUT....

On Tue, Nov 4, 2025 at 12:06 PM Adrian Chadd <[email protected]> wrote:

> hi!
>
> So, it LOOKS like its cutting over to the EFI framebuffer at this point,
> what you you have plugged in as a monitor? does it do anything?
>
> You could try setting console="comconsole" before you boot, to force a
> serial console?
>

No. Don't do it that way. comconsole is supposed to be BIOS-only, x86-only.
And also doesn't necessarily do the right thing.

OK boot -h

is how you want to test that.

Warner


>
> -adrian
>
>
> On Sun, 2 Nov 2025 at 08:14, Mario Marietto <[email protected]>
> wrote:
>
>> Hello to everyone.
>>
>> I ported the panfrost driver on FreeBSD 15.0 for my radxa zero 3W board.
>> I mean,I've been able to fix all the errors I found and I compiled
>> correctly the kernel and the modules. Unfortunately,when I tried to boot
>> it,this is what happened :
>>
>> [image: Screenshot_2025-11-02_16-25-00.jpg]
>>
>> It is stuck there. My sensation is that the problem can be fixed easily.
>> But I need to understand why. What could be the reason,what to try and so
>> on.
>>
>> Anyway,I want to share the source code of the kernel ,the compiled kernel
>> and the modules,if someone wants to study the code and try on his board :
>>
>>
>> https://drive.google.com/file/d/1yn--aq1QxgIOY23eIF8Crdadv9sWkFCR/view?usp=drive_link
>>
>> This is the full log that I've got from the serial connection :
>>
>> marietto# minicom -D /dev/ttyU0 -b 115200
>>
>> Welcome to minicom 2.10
>>
>> OPTIONS: I18n
>> Compiled on Apr  4 2025, 15:33:54.
>> Port /dev/ttyU0, 14:55:08 [U]
>>
>> Press CTRL-A Z for help on special keys
>>
>> DDR Version V1.11 20211103
>> ln
>> ddrconfig:7
>> LP4 MR14:0x4d
>> LPDDR4, 324MHz
>> BW=32 Col=10 Bk=8 CS0 Row=16 CS1 Row=16 CS=2 Die BW=16 Size=4096MB
>>
>> change to: 324MHz
>> PHY drv:clk:38,ca:38,DQ:30,odt:0
>> vrefinner:41%, vrefout:41%
>> dram drv:40,odt:0
>> clk skew:0x58
>>
>> change to: 528MHz
>> PHY drv:clk:38,ca:38,DQ:30,odt:0
>> vrefinner:41%, vrefout:41%
>> dram drv:40,odt:0
>> clk skew:0x73
>>
>> change to: 780MHz
>> PHY drv:clk:38,ca:38,DQ:30,odt:0
>> vrefinner:41%, vrefout:41%
>> dram drv:40,odt:0
>> clk skew:0x58
>>
>> change to: 1560MHz(final freq)
>> PHY drv:clk:38,ca:38,DQ:30,odt:60
>> vrefinner:16%, vrefout:29%
>> dram drv:40,odt:80
>> clk skew:0xa
>> out
>> U-Boot SPL board init
>> U-Boot SPL 2017.09-gaaca6ffec1-211203 #zzz (Dec 03 2021 - 18:42:16)
>> unknown raw ID phN
>> unrecognized JEDEC id bytes: 00, 00, 00
>> Trying to boot from MMC2
>> No misc partition
>> Trying fit image at 0x5000 sector
>> ## Verified-boot: 0
>> ## Checking atf-1 0x00040000 ... sha256(fe4f274c06...) + OK
>> ## Checking uboot 0x00a00000 ... OK
>> ## Checking fdt 0x00b00000 ... sha256(1804d514f1...) + OK
>> ## Checking atf-2 0x00068000 ... sha256(8d44036095...) + OK
>> ## Checking atf-3 0xfdcd0000 ... sha256(e410275b51...) + OK
>> ## Checking atf-4 0xfdcc9000 ... sha256(990c53fc01...) + OK
>> ## Checking atf-5 0x00066000 ... sha256(315a4195a9...) + OK
>> ## Checking optee 0x08400000 ... sha256(08e1fd41e1...) + OK
>> Jumping to U-Boot(0x00a00000) via ARM Trusted Firmware(0x00040000)
>> Total: 319.354 ms
>>
>> INFO:    Preloader serial: 2
>> NOTICE:  BL31: v2.3():v2.3-181-gc9a647cae:cl
>> NOTICE:  BL31: Built : 10:55:41, Oct 18 2021
>> INFO:    GICv3 without legacy support detected.
>> INFO:    ARM GICv3 driver initialized in EL3
>> INFO:    pmu v1 is valid
>> INFO:    dfs DDR fsp_param[0].freq_mhz= 1560MHz
>> INFO:    dfs DDR fsp_param[1].freq_mhz= 324MHz
>> INFO:    dfs DDR fsp_param[2].freq_mhz= 528MHz
>> INFO:    dfs DDR fsp_param[3].freq_mhz= 780MHz
>> INFO:    Using opteed sec cpu_context!
>> INFO:    boot cpu mask: 0
>> INFO:    BL31: Initializing runtime services
>> INFO:    BL31: Initializing BL32
>> I/TC:
>> I/TC: OP-TEE version: 3.13.0-595-gf5add58be #hisping.lin (gcc version 10.2.1 20201103 (GNU Toolchai4
>> I/TC: Primary CPU initializing
>> I/TC: Primary CPU switching to normal world boot
>> INFO:    BL31: Preparing for EL3 exit to normal world
>> INFO:    Entry point address = 0xa00000
>> INFO:    SPSR = 0x3c9
>> UEFI firmware (version EDK2-DEV built at 01:23:28 on May 24 2025)
>>
>> 3h
>>
>> Consoles: EFI console
>>     Reading loader env vars from /efi/freebsd/loader.env
>> Setting currdev to disk0p3:
>> FreeBSD/arm64 EFI loader, Revision 3.0
>>
>>    Command line arguments: loader.efi
>>    Image base: 0xec0ae000
>>    EFI version: 2.70
>>    EFI Firmware: EDK2 (rev 1.00)
>>    Console: efi (0x1000)
>>    Load Path: \EFI\BOOT\BOOTAA64.EFI
>>    Load Device: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)/HD(3,GPT,07D4C210-2E74-1
>> 1F0-832C-F1B721F986A1,0x20000,0x10000)
>>    BootCurrent: 0002
>>    BootOrder: 0000 0001 0002[*]
>>    BootInfo Path: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)
>> Ignoring Boot0002: Only one DP found
>> Trying ESP: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)/HD(3,GPT,07D4C210-2E74-11F0-
>> 832C-F1B721F986A1,0x20000,0x10000)
>> Setting currdev to disk0p3:
>> Trying: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)/HD(1,GPT,07D35DA3-2E74-11F0-832C
>> -F1B721F986A1,0x40,0x4FC0)
>> Setting currdev to disk0p1:
>> Trying: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)/HD(2,GPT,07D3AC23-2E74-11F0-832C
>> -F1B721F986A1,0x5000,0x2800)
>> Setting currdev to disk0p2:
>> Trying: MemoryMapped(0xB,0xFE2B0000,0xFE2B0FFF)/HD(4,GPT,07D6525C-2E74-11F0-832C
>> -F1B721F986A1,0x30000,0xEDFAFD8)
>> Setting currdev to disk0p4:
>> Loading /boot/defaults/loader.conf
>> /boot/kernel/kernel text=0x318 text=0xa5a548 text=0x28e030 data=0x1614d0 data=0x
>> 0+0x2c1000 0x8+0x15c0f0+0x8+0x18894d\
>> /etc/hostid size=0x25
>> /boot/entropy size=0x1000
>> /boot/kernel/if_bridge.ko text=0x3dde text=0x7de8 data=0x1038+0x8 0x8+0x1ec0+0x8
>> +0x1847
>> loading required module 'bridgestp'
>> /boot/kernel/bridgestp.ko text=0x1463 text=0x4e44 data=0x320+0x28 0x8+0xbd0+0x8+
>> 0x6c0
>> /boot/dtb/rockchip/a.si.drm.dtb size=0x1a867
>> /boot/kernel/if_rtwn_usb.ko text=0xcc80 text=0x7880 data=0x1e40+0x37 0x8+0x4140+
>> 0x8+0x2a16
>> loading required module 'rtwn'
>> /boot/kernel/rtwn.ko text=0x6b90 text=0x1a820 data=0x6e8 0x8+0x3390+0x8+0x1ad6
>> loading required module 'wlan'
>> /boot/kernel/wlan.ko text=0x1af18 text=0x4bce0 data=0x8c68+0x318 0x8+0x92d0+0x8+
>> 0x79fb
>> /boot/kernel/wlan_wep.ko text=0x1130 text=0xca0 data=0x310+0x4 0x8+0x888+0x8+0x4
>> a1
>> /boot/kernel/wlan_ccmp.ko text=0x3788 text=0x25c0 data=0x388+0x4 0x8+0xb28+0x8+0
>> x5dd
>> /boot/kernel/wlan_tkip.ko text=0x1488 text=0x1818 data=0x320+0x4 0x8+0x930+0x8+0
>> x525
>> /boot/modules/ums.ko text=0x26c3 text=0x252c data=0x7a0+0x4 0x8+0x1110+0x8+0xbce
>>
>> loading required module 'kernel'
>> module 'kernel' exists but with wrong version
>> ?c
>> Hit [Enter] to boot immediately, or any other key for command prompt.
>> Booting [/boot/kernel/kernel]...
>> Using DTB from the loaded file '/boot/dtb/rockchip/a.si.drm.dtb'.
>> EFI framebuffer information:
>> addr, size     0xec190000, 0x7e9000
>> dimensions     1920 x 1080
>> stride         1920
>> masks          0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000
>>
>> Thanks.
>>
>> --
>> Mario.
>>
>