Date: Tue, 17 Aug 2010 23:10:20 +0200 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= <phcoder@gmail.com> To: soc-status@freebsd.org, freebsd-mips@freebsd.org Subject: Re: Yeeloong port is functional Message-ID: <4C6AFABC.5050809@gmail.com> In-Reply-To: <4C6AC6E9.2010801@gmail.com> References: <4C67704C.70609@gmail.com> <4C6861B4.6020102@gmail.com> <4C69D1D5.809@gmail.com> <4C6AC6E9.2010801@gmail.com>
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[-- Attachment #1 --] Jayachandran reported that the patch was stripped (size limit ?). So I uploaded it here: http://launchpad.net/kfreebsd-yeeloong/trunk/gsoc/+download/yeeloong_rc4.diff On 08/17/2010 07:29 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > On 08/17/2010 02:03 AM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > >> On 08/15/2010 11:52 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: >> >> >>> Hello, all. Some cleanups and I managed to enable cache on kseg0. >>> Additionally it has some basic Geode support. >>> I'm looking forward to split it in smaller patches in order to get it >>> into HEAD. Also I'll fill the blanks (like power management) as time >>> permits. >>> >>> >>> >> And another update. Now Geode USB is fully functional. Few other issues >> are fixed. Unfortunately I couldn't find a way to fix cache completely. >> So I decided to change page size to 16KB to make tag bits of VA to be >> identical to PA effectively transforming VIPT cache into PIPT which is >> easier to handle. It's not functional yet but it will be soon. >> > 16K indeed fixed most of the problems. Patch attached. > >> Even >> though the GSoC is nearly over I'll continue to work on yeeloong to fix >> remaining issues. Sorry for delays caused by hw malfunctions. And thanks >> to everybody who supported me, especially Juli Mallett, Olexandr >> Tymoshenko and M. Warner Losh >> >> >>> On 08/15/2010 06:42 AM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: >>> >>> >>> >>>> Hello, all. Despite the hardware-inflicted setbacks (my yeeloong fried >>>> right before the mid-term), Yeeloong port is now functional. Both serial >>>> and local (keyboard + screen) work. Real Time Clock is working. Internet >>>> is working. USB controller on PCI is working. Userspace is working. >>>> >>>> Remaining issues: >>>> 1) Disabled cache. The reason are peculiar properties of L2 cache. I >>>> actualy have the code to fix it but I'm not sure to hit GSoC deadline >>>> about it. >>>> 2) Only 256 MiB of RAM are supported. Should be easy to fix once 64-bit >>>> parts are in. >>>> 3) No Geode support. So no IDE, 2 of 3 USB ports or audio. These >>>> components are actualy pretty standard, one has only to add support for >>>> MSRs. >>>> 4) No power management. Wasn't planned to have it implemented during GSoC. >>>> >>>> Not tested: >>>> 1) Touchpad. Never connected to my laptop during developpement because >>>> to use it one has to close front lid and so cut from serial connector >>>> >>>> 3rd party developpements which will improve Yeeloong support: >>>> 1) X.org support. The required card is already supported in latest >>>> x.org. So it's a question of importing last X.org and testing it. >>>> 2) 64-bit developpement. Currently if I compile 64-bit kernel it >>>> contains only 64-bit imgact. Imposing only 64-bit binaries is suboptimal. >>>> >>>> >>>> >>>> >>>> >>> >>> >>> >> >> > > -- Regards Vladimir 'φ-coder/phcoder' Serbinenko [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iF4EAREKAAYFAkxq+sMACgkQNak7dOguQgnepwD+NBkpyIZN3NfcyHyiJDhagjBS /05LoN2OpeGh0Bs4K2QA/Rlv5YZT+vXigDI8OPDEZoEEdDIrVLbTSfMu5CNmKb49 =fFNX -----END PGP SIGNATURE-----
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