#linux-sunxi on 2023-03-30 — irc logs at oftc.irclog.whitequark.org

2022-12-21 00:44 ChanServ changed the topic of #linux-sunxi to: Allwinner/sunxi development - Did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait for an answer! - This channel is logged at https://oftc.irclog.whitequark.org/linux-sunxi

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01:44 <sputnik2023> /msg NickServ IDENTIFY abcd1234

01:45 <sputnik2023> @warpme

01:47 <sputnik2023> h313/h616 new soc version is BB used ac300,dump 0x300622c reg.ac300 if bit 8 is 1.ac200 if bit is 0

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07:58 <warpme_> sputnik2023: can i do this under Linux or i must do this under vendor Android? Doing this under linux gives me: "peekpoke -b 0x300622c r.l 0" result: 0x2e60303. here bit8 is 1. As test on H6 (with ac200) i'm getting 0x2d40002 - so bit8 is 0. Is this correct?

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08:24 <Administrator_> both

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08:42 <warpme_> sputnik2003 : at some point in time i found AW bsp code for AC300. Will it be useful for you?

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08:48 <sputnik2003> @warpme

08:49 <sputnik2003> https://github.com/open-cores/mangguo-h616-armbian/blob/v22.08/patch/u-boot/u-boot-sunxi/u-boot-mangopimcore.patch

08:49 <sputnik2003> this my patch!

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08:49 <sputnik2003> +&mdio1 {

08:49 <sputnik2003> +rmii_phy: ethernet-phy@16 {

08:49 <sputnik2003> +compatible = "ethernet-phy-ieee802.3-c22";

08:49 <sputnik2003> +};

08:49 <sputnik2003> +reg = <16>;

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08:50 <sputnik2003> +};

08:50 <sputnik2003> pwm:clock_sun50i_h6.c

08:51 <sputnik2003> phy patch is /drivers/net/phy/phy.c

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08:54 <warpme_> fantastic. let me play with this!

08:57 <warpme_> to be sure: i need to play only with uboot - right?. well working (for int.phy in h616) kernel should be untouched?

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09:05 <sputnik2003> linux:dts:+&mdio1 {

09:05 <sputnik2003> +compatible = "ethernet-phy-ieee802.3-c22";

09:05 <sputnik2003> +emd_rgmii_phy: ethernet-phy@0 {

09:05 <sputnik2003> +};

09:05 <sputnik2003> +reg = <0>;

09:05 <sputnik2003> +};

09:06 <sputnik2003> Turn off PWM initialization in ccu-sun50i-h616.c

09:07 <sputnik2003> https://github.com/open-cores/mangguo-h616-armbian/blob/v22.08/patch/kernel/archive/sunxi-5.19/xkernel-mangopimcore.patch

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09:08 <sputnik2003> I'm just hacked the code for mangopi h616

09:09 <warpme_> is this line turns-off pwm init in ccu: https://github.com/open-cores/mangguo-h616-armbian/blob/36d9a1c2c957f6b4d34174c522dd316fa17a315c/patch/kernel/archive/sunxi-5.19/xkernel-mangopimcore.patch#L1064

09:10 <warpme_> ah not only this....

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09:36 <apritzel> oh all those hacks ...

09:37 <apritzel> can someone PLEASE start to extract parts and send patches upstream?

09:37 <apritzel> for instance the OPP parts, that seems to be a low hanging fruit

09:37 <apritzel> as for the PWM clock: if you need to hack it, can't you just mark it as CLK_IS_CRITICAL?

09:38 <apritzel> another alternative would be to have a super basic PWM driver which just supports the bypass functionality we need

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09:51 <warpme_> sputnik2003: [ 141.526148] dwmac-sun8i 5030000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx :-)))))

09:52 <warpme_> so it looks ALL periph are working now https://termbin.com/zjc0

09:53 <warpme_> now it looks I can enjoy hw decoded HD video/tv playback on x96-q. fantastic work from you, million thx!

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09:54 <apritzel> warpme_: and now please wrap this up properly, and push for upstreaming this

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09:54 <apritzel> at least put some reasonable split-up patches somewhere, along with your Signed-off-by:, so people can take your patches and submit them

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09:58 <warpme_> apritzel : i definitely want to help wring proper code to support ac200/ac300 in mainline. But writing code vs. writing code with upstreaming quality is totally different thing for me... Ideally will be to have top guns (like You or Jernej) as masters and me as helper/tester

09:58 <apritzel> warpme_: we are more than happy to help!

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09:59 <warpme_> first thing i will do will be create wiki and document what is needed (i mean hacks & quirks) to get mainline on h313

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10:00 <apritzel> yes please, anything in the Wiki helps to dump information

10:01 <apritzel> especially we need to solve the mystery about the different versions of those H616/H313/T507 chips

10:01 <warpme_> btw: interesting is that i got h313 Eth on 6.2.8 mainline without any mods (this is my mm2 mainline kernel common for 13 SoCs). nice!

10:08 <apritzel> warpme_: but didn't you need to do something about the PWM clock?

10:12 <warpme_> apritzel: it looks it is not needed

10:12 <warpme_> i mean it is not needed in kernel

10:16 <warpme_> i'm currently on 11.05.2021 sunxi-custodians uboot. Current head of sunxi-custodians uboot gives me non-working Eth (on both h616 and h313). And i'm still thinking how to find root cause of this

10:17 <apritzel> warpme_: sunxi-custodians is not a useful repo, really, it's merely a vehicle for pull request

10:18 <warpme_> ah ok - so i will switch to mainline and test...

10:19 <apritzel> warpme_: yes, please do, we need to fix things in *there* anyway

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