Date: Wed, 2 Jun 2010 11:15:13 +0000 (UTC) From: Juli Mallett <jmallett@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r208740 - user/jmallett/octeon/sys/mips/cavium Message-ID: <201006021115.o52BFDkC037481@svn.freebsd.org>
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Author: jmallett Date: Wed Jun 2 11:15:12 2010 New Revision: 208740 URL: http://svn.freebsd.org/changeset/base/208740 Log: Note some lurking problems with io ports (namely the dependence on virtual mappings.) Modified: user/jmallett/octeon/sys/mips/cavium/octopci.c Modified: user/jmallett/octeon/sys/mips/cavium/octopci.c ============================================================================== --- user/jmallett/octeon/sys/mips/cavium/octopci.c Wed Jun 2 11:13:49 2010 (r208739) +++ user/jmallett/octeon/sys/mips/cavium/octopci.c Wed Jun 2 11:15:12 2010 (r208740) @@ -208,6 +208,15 @@ octopci_alloc_resource(device_t bus, dev break; case SYS_RES_IOPORT: rman_set_bushandle(res, CVMX_ADDR_DID(CVMX_FULL_DID(CVMX_OCT_DID_PCI, CVMX_OCT_SUBDID_PCI_IO)) + rman_get_start(res)); + /* + * XXX + * We should just disallow use of io ports on !n64 since without + * 64-bit PTEs we can't even do a 32-bit virtual address + * mapped to them. + */ +#if 0 + rman_set_virtual(res, (void *)rman_get_bushandle(res)); +#endif break; }
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