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| author | raj <raj@FreeBSD.org> | 2012-05-26 13:42:55 +0000 |
|---|---|---|
| committer | raj <raj@FreeBSD.org> | 2012-05-26 13:42:55 +0000 |
| commit | e87745389c1f8ff4a6e9cd3e38e90c639fdf2432 (patch) | |
| tree | 6ecf3b0d865640b7268cba6afb8052099298e9e6 /sys/powerpc/booke | |
| parent | 8c2ef762a7721f74d75545435d90e9302cd27153 (diff) | |
| download | FreeBSD-src-e87745389c1f8ff4a6e9cd3e38e90c639fdf2432.zip FreeBSD-src-e87745389c1f8ff4a6e9cd3e38e90c639fdf2432.tar.gz | |
Retrieve CPU number info from the device tree.
Obtained from: Freescale, Semihalf.
Diffstat (limited to 'sys/powerpc/booke')
| -rw-r--r-- | sys/powerpc/booke/platform_bare.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/sys/powerpc/booke/platform_bare.c b/sys/powerpc/booke/platform_bare.c index 02d0f87..7b98059 100644 --- a/sys/powerpc/booke/platform_bare.c +++ b/sys/powerpc/booke/platform_bare.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2008-2009 Semihalf, Rafal Jaworowski + * Copyright (c) 2008-2012 Semihalf. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -101,26 +101,16 @@ PLATFORM_DEF(bare_platform); static int bare_probe(platform_t plat) { - uint32_t ver, sr; + phandle_t cpus, child; + uint32_t sr; int i, law_max, tgt; - ver = SVR_VER(mfspr(SPR_SVR)); - switch (ver & ~0x0008) { /* Mask Security Enabled bit */ - case SVR_P4080: - maxcpu = 8; - break; - case SVR_P4040: - maxcpu = 4; - break; - case SVR_MPC8572: - case SVR_P1020: - case SVR_P2020: - maxcpu = 2; - break; - default: + if ((cpus = OF_finddevice("/cpus")) != 0) { + for (maxcpu = 0, child = OF_child(cpus); child != 0; + child = OF_peer(child), maxcpu++) + ; + } else maxcpu = 1; - break; - } /* * Clear local access windows. Skip DRAM entries, so we don't shoot |
