Date: Fri, 5 Jun 2009 09:46:00 +0000 (UTC) From: Rafal Jaworowski <raj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r193492 - head/sys/powerpc/booke Message-ID: <200906050946.n559k0xD020724@svn.freebsd.org>
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Author: raj Date: Fri Jun 5 09:46:00 2009 New Revision: 193492 URL: http://svn.freebsd.org/changeset/base/193492 Log: Discover and handle the number of E500 CPUs in run time. Modified: head/sys/powerpc/booke/platform_bare.c Modified: head/sys/powerpc/booke/platform_bare.c ============================================================================== --- head/sys/powerpc/booke/platform_bare.c Fri Jun 5 09:21:03 2009 (r193491) +++ head/sys/powerpc/booke/platform_bare.c Fri Jun 5 09:46:00 2009 (r193492) @@ -56,7 +56,7 @@ extern uint8_t __boot_page[]; /* Boot p extern uint32_t kernload; /* Kernel physical load address */ #endif -static int cpu; +static int cpu, maxcpu; static int bare_probe(platform_t); static void bare_mem_regions(platform_t, struct mem_region **phys, int *physsz, @@ -91,6 +91,13 @@ PLATFORM_DEF(bare_platform); static int bare_probe(platform_t plat) { + uint32_t ver; + + ver = SVR_VER(mfspr(SPR_SVR)); + if (ver == SVR_MPC8572E || ver == SVR_MPC8572) + maxcpu = 2; + else + maxcpu = 1; return (BUS_PROBE_GENERIC); } @@ -161,7 +168,7 @@ static int bare_smp_next_cpu(platform_t plat, struct cpuref *cpuref) { - if (cpu >= MAXCPU) + if (cpu >= maxcpu) return (ENOENT); cpuref->cr_cpuid = cpu++;
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