Date: Tue, 03 Feb 2004 13:37:50 +1000 From: Peter Grehan <grehan@freebsd.org> To: Rafal Jaworowski <rafal.jaworowski@motorola.com> Cc: freebsd-ppc@freebsd.org Subject: Re: FreeBSD/powerpc on PPCBug-based embedded boards Message-ID: <401F178E.40303@freebsd.org> In-Reply-To: <401EDFB7.5050004@motorola.com> References: <401845DE.90409@freebsd.org> <401AD442.704@motorola.com> <401ADFD4.8090604@freebsd.org> <401EDFB7.5050004@motorola.com>
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Hi Rafal, > I'll look at the OPIC changes definitely, BTW: as I need to update the > sources I'm working on - would 5.2-RELEASE cross-compile on x86? You're much better off with -current. That cross-compiles without any patches. >> Are there many ISA peripherals on this device ? The ISA bus >> is a bit difficult to handle on PPC. ... > are there any specific obstacles for ISA devices that you're referring > to? DMA support maybe? More the fact that a lot of devices still use inb/outb, and that complicates bus-space since there needs to be a static ISA mapping. And yes, DMA would be a problem. >>> de0: <Digital 21140A Fast Ethernet> port 0xfffff00-0xfffff7f mem ... >> Does this work OK ? If so, I'll add it to GENERIC. > > the configuration over PCI works ok - these values are read from > adapter's config space with standard if_de driver found in the tree (it > can be added to GENERIC then). OK, I'll wait 'til then. > I may have additional questions regarding mounting root over network. Should be fine: just type "nfs" at the mountroot prompt and all should be well. The loader has already been using NFS to pull in the kernel. later, Peter.home | help
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