Date: Thu, 6 Sep 2012 21:39:25 +0200 From: Rafal Jaworowski <raj@semihalf.com> To: Aleksey Fedorov <aleksey.v.fedorov@gmail.com> Cc: freebsd-ppc@freebsd.org Subject: Re: FreeBSD on e500mc 36bit physical addressing Message-ID: <39077F2D-B518-4EE4-ACE0-E8EB804E245B@semihalf.com> In-Reply-To: <CABCAhMFSDay5CdFYn3sJJ3H9h-hTxa7hWN-Vuc4_y6ZFFEtB=w@mail.gmail.com> References: <CABCAhMFSDay5CdFYn3sJJ3H9h-hTxa7hWN-Vuc4_y6ZFFEtB=w@mail.gmail.com>
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On 2012-09-04, at 18:14, Aleksey Fedorov wrote: > Hi! >=20 > Does FreeBSD support 36bit physical addressing? > I have P4080 board with 4G RAM. > Trying to boot using ubldr I hit into zero size of MR_ATTR_DRAM memory > region in ubldr ub_get_sys_info() because u64 value in u-boot does not = fit > into unsigned long of mem_region.size. Temporary fix this by > decrementing size of DRAM in u-boot. > Now ubldr load kernel from NFS and after "Kernel entry at > 0x1001000..." I have nothing. > I suppose current kernel implementation does not support 36bit > addressing and hang during initial configuration. Hi Aleksey, FreeBSD/powerpc does not support the 36-bit physical addr space for = Book-E PowerPC as of yet. Rafal
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