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| author | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:08 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-09-05 12:52:08 +0900 |
| commit | f5a18f932e051ff0f19dcd80a421a4dd9b11f10f (patch) | |
| tree | 9189ffc9fa735e5297ed8c3678a9463e8dbb1561 /arch/sparc/kernel/setup_64.c | |
| parent | b9a3acf46afdafc601947136f63e9dd228cd86e8 (diff) | |
| parent | 9e79e3e9dd9672b37ac9412e9a926714306551fe (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Diffstat (limited to 'arch/sparc/kernel/setup_64.c')
| -rw-r--r-- | arch/sparc/kernel/setup_64.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 3e9daea1653..3c5bb784214 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -440,8 +440,14 @@ static void __init init_sparc64_elf_hwcap(void) cap |= AV_SPARC_VIS; if (tlb_type == cheetah || tlb_type == cheetah_plus) cap |= AV_SPARC_VIS | AV_SPARC_VIS2; - if (tlb_type == cheetah_plus) - cap |= AV_SPARC_POPC; + if (tlb_type == cheetah_plus) { + unsigned long impl, ver; + + __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver)); + impl = ((ver >> 32) & 0xffff); + if (impl == PANTHER_IMPL) + cap |= AV_SPARC_POPC; + } if (tlb_type == hypervisor) { if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1) cap |= AV_SPARC_ASI_BLK_INIT; |