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Subject: Re: [9front] unofficial sdcard image for raspberry pi 4 testing
Date: Mon, 27 Jan 2020 11:18:12 +0900
From: kokamoto@hera.eonet.ne.jp
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X-Bullshit: wrapper rails NoSQL backend 

> ether4330: no response to sdio access: ocr-0
> error message comes from the error of:

This can be rid off by replacing
	ocr = trysdiocmd(IO_SEND_OP_COND, 0);
to
	ocr = sdiocmd(IO_SEND_OP_COND, 0);

However, 
> emmccmd: need to reset Cmdinhibit intr 0 stat 1ff0106
> 
> which is from the line
> 
> if((r[Status] & Datinhibit) &&
> 	   ((c & Isdata) || (c & Respmask) == Resp48busy)){
> 		print("emmccmd: need to reset Cmdinhibit intr %ux stat %ux\n",
> 
> of emmccmd() in /sys/src/9/bcm/emmc.c.
> 
> The Datinhibit should be Cmdinhibit?
> 
> I still have 'need to reset Datinhibit intr 0 stat 1ff0106' from below
> lines which I'm now investigating.

This problem is difficult to me.
I tried many things.
However it seems this problem is out of my ability, so I take a rest...
If anyone wants to try, please go.

Kenji