Date: Tue, 31 Jan 2012 15:40:18 +0000 (UTC) From: Grzegorz Bernacki <gber@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r230816 - projects/armv6/sys/arm/mv/armadaxp Message-ID: <201201311540.q0VFeITR042507@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: gber Date: Tue Jan 31 15:40:18 2012 New Revision: 230816 URL: http://svn.freebsd.org/changeset/base/230816 Log: pj4b: Add workaround for hangup after releasing AP's in WT mode Submitted by: Lukasz Plachno Obtained from: Marvell, Semihalf Modified: projects/armv6/sys/arm/mv/armadaxp/armadaxp_mp.c Modified: projects/armv6/sys/arm/mv/armadaxp/armadaxp_mp.c ============================================================================== --- projects/armv6/sys/arm/mv/armadaxp/armadaxp_mp.c Tue Jan 31 15:39:06 2012 (r230815) +++ projects/armv6/sys/arm/mv/armadaxp/armadaxp_mp.c Tue Jan 31 15:40:18 2012 (r230816) @@ -179,6 +179,10 @@ platform_mp_start_ap(void) for (cpu_num = 1; cpu_num < mp_ncpus; cpu_num++ ) bus_space_write_4(fdtbus_bs_tag, MP, MP_SW_RESET(cpu_num), 0); + /* XXX: Temporary workaround for hangup after releasing AP's */ + wmb(); + DELAY(10); + initialize_coherency_fabric(); }
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201201311540.q0VFeITR042507>