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Message-ID: <b4a3a139-4831-447e-94ed-d590986aed8c@collabora.com>
Date: Fri, 17 Nov 2023 10:49:09 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>,
Conor Dooley <conor@...nel.org>
Cc: Andrew Lunn <andrew@...n.ch>, Conor Dooley <conor+dt@...nel.org>,
Emil Renner Berthing <kernel@...il.dk>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Samin Guo <samin.guo@...rfivetech.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Richard Cochran <richardcochran@...il.com>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v2 12/12] [UNTESTED] riscv: dts: starfive:
beaglev-starlight: Enable gmac
On 11/17/23 10:37, Geert Uytterhoeven wrote:
> On Thu, Nov 16, 2023 at 6:55 PM Conor Dooley <conor@...nel.org> wrote:
>> On Thu, Nov 16, 2023 at 03:15:46PM +0200, Cristian Ciocaltea wrote:
>>> On 10/30/23 00:53, Cristian Ciocaltea wrote:
>>>> On 10/29/23 20:46, Andrew Lunn wrote:
>>>>> On Sun, Oct 29, 2023 at 06:27:12AM +0200, Cristian Ciocaltea wrote:
>>>>>> The BeagleV Starlight SBC uses a Microchip KSZ9031RNXCA PHY supporting
>>>>>> RGMII-ID.
>>>>>>
>>>>>> TODO: Verify if manual adjustment of the RX internal delay is needed. If
>>>>>> yes, add the mdio & phy sub-nodes.
>>>>>
>>>>> Please could you try to get this tested. It might shed some light on
>>>>> what is going on here, since it is a different PHY.
>>>>
>>>> Actually, this is the main reason I added the patch. I don't have access
>>>> to this board, so it would be great if we could get some help with testing.
>>>
>>> @Emil, @Conor: Any idea who might help us with a quick test on the
>>> BeagleV Starlight board?
>>
>> I don't have one & I am not sure if Emil does. Geert (CCed) should have
>
> I believe Esmil has.
>
>> one though. Is there a specific test you need to have done?
>
> I gave it a try, on top of latest renesas-drivers[1].
>
> ------------[ cut here ]------------
> simple-pm-bus soc: device non-coherent but no non-coherent operations supported
> WARNING: CPU: 0 PID: 1 at arch/riscv/mm/dma-noncoherent.c:140
> arch_setup_dma_ops+0x7e/0xa2
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted
> 6.7.0-rc1-starlight-01489-g995c2f0b8b7e #259
> Hardware name: BeagleV Starlight Beta (DT)
> epc : arch_setup_dma_ops+0x7e/0xa2
> ra : arch_setup_dma_ops+0x7e/0xa2
> epc : ffffffff8000d462 ra : ffffffff8000d462 sp : ffffffc800013b90
> gp : ffffffff812d6460 tp : ffffffd880130000 t0 : ffffffff81217238
> t1 : 000000000000002d t2 : 2d2d2d2d2d2d2d2d s0 : ffffffc800013bc0
> s1 : 0000000000000000 a0 : 000000000000004f a1 : 0000000200000020
> a2 : 0000000000000000 a3 : 0000000000000001 a4 : 0000000000000000
> a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000030
> s2 : ffffffd880111410 s3 : ffffffff812d712c s4 : 00000000ffffffff
> s5 : ffffffffffffffed s6 : ffffffd9fffeb530 s7 : ffffffff80a00d70
> s8 : ffffffff80e3f2c0 s9 : 0000000000000008 s10: ffffffff808000ba
> s11: 0000000000000000 t3 : ffffffff812ebb5c t4 : ffffffff812ebb5c
> t5 : ffffffff812ebb38 t6 : ffffffff812ebbb7
> status: 0000000200000120 badaddr: ffffffff812d712c cause: 0000000000000003
> [<ffffffff8000d462>] arch_setup_dma_ops+0x7e/0xa2
> [<ffffffff80518cb2>] of_dma_configure_id+0xc4/0x222
> [<ffffffff803ee76e>] platform_dma_configure+0x44/0x4e
> [<ffffffff803ec382>] really_probe+0x54/0x20c
> [<ffffffff803ec596>] __driver_probe_device+0x5c/0xd0
> [<ffffffff803ec636>] driver_probe_device+0x2c/0xb0
> [<ffffffff803ec7b6>] __driver_attach+0x6e/0x104
> [<ffffffff803ea652>] bus_for_each_dev+0x58/0xa4
> [<ffffffff803ebdc8>] driver_attach+0x1a/0x22
> [<ffffffff803eb7ba>] bus_add_driver+0xd4/0x19e
> [<ffffffff803ed476>] driver_register+0x3e/0xd8
> [<ffffffff803ee590>] __platform_driver_register+0x1c/0x24
> [<ffffffff8081db32>] simple_pm_bus_driver_init+0x1a/0x22
> [<ffffffff800020f0>] do_one_initcall+0x38/0x17c
> [<ffffffff80801354>] kernel_init_freeable+0x1a8/0x20c
> [<ffffffff806b1328>] kernel_init+0x1e/0x112
> [<ffffffff806b891e>] ret_from_fork+0xe/0x1c
> ---[ end trace 0000000000000000 ]---
> ------------[ cut here ]------------
> clk-starfive-jh7100 11800000.clock-controller: device non-coherent but
> no non-coherent operations supported
> WARNING: CPU: 0 PID: 1 at arch/riscv/mm/dma-noncoherent.c:140
> arch_setup_dma_ops+0x7e/0xa2
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Tainted: G S
> 6.7.0-rc1-starlight-01489-g995c2f0b8b7e #259
> Hardware name: BeagleV Starlight Beta (DT)
> epc : arch_setup_dma_ops+0x7e/0xa2
> ra : arch_setup_dma_ops+0x7e/0xa2
> epc : ffffffff8000d462 ra : ffffffff8000d462 sp : ffffffc800013b70
> gp : ffffffff812d6460 tp : ffffffd880130000 t0 : ffffffff81217f48
> t1 : 000000000000002d t2 : 2d2d2d2d2d2d2d2d s0 : ffffffc800013ba0
> s1 : 0000000000000000 a0 : 000000000000006b a1 : 0000000200000020
> a2 : 0000000000000000 a3 : 0000000000000001 a4 : 0000000000000000
> a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000030
> s2 : ffffffd880112410 s3 : ffffffff812d712c s4 : 0000000fffffffff
> s5 : 0000000000000000 s6 : ffffffd9fffed3c8 s7 : ffffffff80a00d70
> s8 : ffffffff80e3f2c0 s9 : 0000000000000008 s10: ffffffff808000ba
> s11: 0000000000000000 t3 : ffffffff812ec564 t4 : ffffffff812ec564
> t5 : ffffffff812ec540 t6 : ffffffff812ec5db
> status: 0000000200000120 badaddr: ffffffd880130008 cause: 0000000000000003
> [<ffffffff8000d462>] arch_setup_dma_ops+0x7e/0xa2
> [<ffffffff80518cb2>] of_dma_configure_id+0xc4/0x222
> [<ffffffff803ee76e>] platform_dma_configure+0x44/0x4e
> [<ffffffff803ec382>] really_probe+0x54/0x20c
> [<ffffffff803ec596>] __driver_probe_device+0x5c/0xd0
> [<ffffffff803ec636>] driver_probe_device+0x2c/0xb0
> [<ffffffff803ec7b6>] __driver_attach+0x6e/0x104
> [<ffffffff803ea652>] bus_for_each_dev+0x58/0xa4
> [<ffffffff803ebdc8>] driver_attach+0x1a/0x22
> [<ffffffff803eb7ba>] bus_add_driver+0xd4/0x19e
> [<ffffffff803ed476>] driver_register+0x3e/0xd8
> [<ffffffff803ee6ce>] __platform_driver_probe+0x40/0x9c
> [<ffffffff8081eb80>] clk_starfive_jh7100_driver_init+0x22/0x2a
> [<ffffffff800020f0>] do_one_initcall+0x38/0x17c
> [<ffffffff80801354>] kernel_init_freeable+0x1a8/0x20c
> [<ffffffff806b1328>] kernel_init+0x1e/0x112
> [<ffffffff806b891e>] ret_from_fork+0xe/0x1c
> ---[ end trace 0000000000000000 ]---
> CCACHE: DataFail @ 0x00000000.7FEB8930
> CCACHE: 2 banks, 16 ways, sets/bank=1024, bytes/block=64
> CCACHE: Index of the largest way enabled: 0
> ------------[ cut here ]------------
> jh7100-reset 11840000.reset-controller: device non-coherent but no
> non-coherent operations supported
> WARNING: CPU: 0 PID: 1 at arch/riscv/mm/dma-noncoherent.c:140
> arch_setup_dma_ops+0x7e/0xa2
> Modules linked in:
> CPU: 0 PID: 1 Comm: swapper/0 Tainted: G S
> 6.7.0-rc1-starlight-01489-g995c2f0b8b7e #259
> Hardware name: BeagleV Starlight Beta (DT)
> epc : arch_setup_dma_ops+0x7e/0xa2
> ra : arch_setup_dma_ops+0x7e/0xa2
> epc : ffffffff8000d462 ra : ffffffff8000d462 sp : ffffffc800013b70
> gp : ffffffff812d6460 tp : ffffffd880130000 t0 : ffffffff81218d60
> t1 : 000000000000002d t2 : 2d2d2d2d2d2d2d2d s0 : ffffffc800013ba0
> s1 : 0000000000000000 a0 : 0000000000000064 a1 : 0000000200000020
> a2 : 0000000000000000 a3 : 0000000000000001 a4 : 0000000000000000
> a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000030
> s2 : ffffffd880112c10 s3 : ffffffff812d712c s4 : 0000000fffffffff
> s5 : 0000000000000000 s6 : ffffffd9fffed7a8 s7 : ffffffff80a00d70
> s8 : ffffffff80e3f2c0 s9 : 0000000000000008 s10: ffffffff808000ba
> s11: 0000000000000000 t3 : ffffffff812ed054 t4 : ffffffff812ed054
> t5 : ffffffff812ed030 t6 : ffffffff812ed0c4
> status: 0000000200000120 badaddr: ffffffd880130008 cause: 0000000000000003
> [<ffffffff8000d462>] arch_setup_dma_ops+0x7e/0xa2
> [<ffffffff80518cb2>] of_dma_configure_id+0xc4/0x222
> [<ffffffff803ee76e>] platform_dma_configure+0x44/0x4e
> [<ffffffff803ec382>] really_probe+0x54/0x20c
> [<ffffffff803ec596>] __driver_probe_device+0x5c/0xd0
> [<ffffffff803ec636>] driver_probe_device+0x2c/0xb0
> [<ffffffff803ec7b6>] __driver_attach+0x6e/0x104
> [<ffffffff803ea652>] bus_for_each_dev+0x58/0xa4
> [<ffffffff803ebdc8>] driver_attach+0x1a/0x22
> [<ffffffff803eb7ba>] bus_add_driver+0xd4/0x19e
> [<ffffffff803ed476>] driver_register+0x3e/0xd8
> [<ffffffff803ee6ce>] __platform_driver_probe+0x40/0x9c
> [<ffffffff8081f284>] jh7100_reset_driver_init+0x22/0x2a
> [<ffffffff800020f0>] do_one_initcall+0x38/0x17c
> [<ffffffff80801354>] kernel_init_freeable+0x1a8/0x20c
> [<ffffffff806b1328>] kernel_init+0x1e/0x112
> [<ffffffff806b891e>] ret_from_fork+0xe/0x1c
> ---[ end trace 0000000000000000 ]---
> CCACHE: DataFail @ 0x00000000.7FEB0830
> CCACHE: DataFail @ 0x00000000.7FEB07F0
> CCACHE: DataFail @ 0x00000000.7FEB07F0
> CCACHE: DataFail @ 0x00000000.7FEB07F0
> CCACHE: DataFail @ 0x00000000.7FEB0830
> CCACHE: DataFail @ 0x00000000.7FEB07F0
>
> [...]
>
> Looks like it needs more non-coherent support before we can test
> Ethernet.
Hi Geert,
Thanks for taking the time to test this!
Could you please check if the following are enabled in your kernel config:
CONFIG_DMA_GLOBAL_POOL
CONFIG_RISCV_DMA_NONCOHERENT
CONFIG_RISCV_NONSTANDARD_CACHE_OPS
CONFIG_SIFIVE_CCACHE
Regards,
Cristian
> Note that it boots fine into Debian nfsroot when merging Emil's[2]
> visionfive branch instead.
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git/tag/?h=renesas-drivers-2023-11-14-v6.7-rc1
> [2] https://github.com/esmil/linux
>
> Gr{oetje,eeting}s,
>
> Geert
>
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