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

Are you switching from "FreeBSD 15.0 + panfrost driver patches" to "doc
patches" ?

On Wed, Nov 5, 2025 at 9:21 AM Warner Losh <[email protected]> wrote:

> I'm happy to review doc patches...
>
> Warner
>
> On Wed, Nov 5, 2025, 12:29 AM Adrian Chadd <[email protected]> wrote:
>
>> Oh don't worry, i'll bug warner about it thursday in san jose. :-)
>>
>>
>>
>> -adrian
>>
>>
>> On Tue, 4 Nov 2025 at 13:38, Mark Millard <[email protected]> wrote:
>>
>>> Hello Warner,
>>>
>>>
>>> No you do not suck. And I'm not even aware for the full range of your
>>> competing activities. If FreeBSD had no such oddities, that would be
>>> amazing --and I trust your judgment of the tradeoffs.
>>>
>>> Still, in a local context a specific oddity can prove unfortunate,
>>> including ones that occur less often than many other oddities.
>>>
>>> The list could help Adrian look up the details if desired, avoiding some
>>> research. I just knew that I had such a list someplace in my records and
>>> found and used it. (I did not even remember "eficom" accurately prior to
>>> finding the list in my records.)
>>>
>>>
>>> Mark
>>>
>>>
>>> On Nov 4, 2025, at 11:25, Warner Losh <[email protected]> wrote:
>>>
>>> Yea. I suck. But the energy that's gone into complaining about this
>>> issue could have produced diffs.
>>>
>>> Warner
>>>
>>> On Tue, Nov 4, 2025, 12:17 PM Mark Millard <[email protected]> wrote:
>>>
>>>>
>>>>
>>>> On Nov 4, 2025, at 11:05, Adrian Chadd <[email protected]> wrote:
>>>>
>>>> > 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?
>>>>
>>>> Unfortunately, the following changes never got corresponding
>>>> man page updates:
>>>>
>>>> Commit message (Expand) Author Age Files Lines
>>>> * stand: libefi: avoid a null pointer deref in eficom Kyle Evans
>>>> 2023-05-28 1 -2/+2
>>>> * stand/efi/eficom: Free comc_port if we can't find the serial port
>>>> Warner Losh 2023-05-25 1 -0/+10
>>>> * stand/efi/eficom: Make aarch64 compat code probe correctly Warner
>>>> Losh 2023-05-25 1 -2/+5
>>>> * stand/efi/eficom: Don't allow this for !HYPERV machines Warner Losh
>>>> 2023-05-25 1 -0/+17
>>>> * stand/efi/eficom: better handling of absent device Warner Losh
>>>> 2023-05-25 1 -5/+16
>>>> * stand: eficom: Only set baudrate when it changes Warner Losh
>>>> 2023-05-11 1 -17/+22
>>>> * stand: eficom: Don't preemtively assume flow control Warner Losh
>>>> 2023-05-11 1 -9/+5
>>>> * stand: eficom : remove unused ignore_cd Warner Losh 2023-05-11 1 -2/+0
>>>> * stand: Move eficom to libefi Warner Losh 2023-05-11 6 -6/+1
>>>> * stand: efi create eficom console device. Warner Losh 2023-05-11 3
>>>> -72/+39
>>>>
>>>> > -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 :
>>>> >
>>>> >
>>>> > 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
>>>> >
>>>>
>>>> ===
>>>> Mark Millard
>>>> marklmi at yahoo.com
>>>>
>>>>
>>>>
>>> ===
>>> Mark Millard
>>> marklmi at yahoo.com
>>>
>>>

-- 
Mario.