Date: Mon, 09 Jul 2018 14:12:08 -0700 From: Ravi Pokala <rpokala@freebsd.org> To: Justin Hibbits <jhibbits@FreeBSD.org>, <src-committers@freebsd.org>, <svn-src-all@freebsd.org>, <svn-src-head@freebsd.org> Subject: Re: svn commit: r336144 - head/sys/powerpc/powernv Message-ID: <40FE6456-9543-461F-AD9A-1F974D13F190@panasas.com> In-Reply-To: <201807092033.w69KXnqw045501@repo.freebsd.org> References: <201807092033.w69KXnqw045501@repo.freebsd.org>
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-----Original Message----- From: <owner-src-committers@freebsd.org> on behalf of Justin Hibbits <jhibbits@FreeBSD.org> Date: 2018-07-09, Monday at 13:33 To: <src-committers@freebsd.org>, <svn-src-all@freebsd.org>, <svn-src-head@freebsd.org> Subject: svn commit: r336144 - head/sys/powerpc/powernv > Author: jhibbits > Date: Mon Jul 9 20:33:48 2018 > New Revision: 336144 > URL: https://svnweb.freebsd.org/changeset/base/336144 > > Log: > powerpc/powernv: Make opal_i2c driver work with attached i2c drivers > > * FreeBSD stores addresses in 8 bit format, but the OPAL API requires the 7-bit > address, and encodes the direction elsewhere. Behave like other i2c drivers, > and shift accordingly. You got seven contiguous address bits? LUXURY! Look for "slave" and "write_op" in sys/dev/imcsmb.c:imcsmb_transfer(); it's "hilarious". -Ravi
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