diff options
| author | David S. Miller <davem@davemloft.net> | 2013-05-04 18:34:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-05-04 18:34:13 -0700 |
| commit | 048c9acca90ca7da42b92745445fe008a48add88 (patch) | |
| tree | e2e551a565a7dcdca0fc398aa659231745e5a901 /arch/powerpc/mm/tlb_nohash.c | |
| parent | 07df841877195765d958df146f614fc7bdedd5e3 (diff) | |
| parent | ad348cc5349be4ef4abe08819afbb63386585413 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Merge sparc bug fixes that didn't make it into v3.9 into
sparc-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/powerpc/mm/tlb_nohash.c')
| -rw-r--r-- | arch/powerpc/mm/tlb_nohash.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c index df32a838dcfa..6888cad5103d 100644 --- a/arch/powerpc/mm/tlb_nohash.c +++ b/arch/powerpc/mm/tlb_nohash.c @@ -414,9 +414,9 @@ static void setup_page_sizes(void) #ifdef CONFIG_PPC_FSL_BOOK3E unsigned int mmucfg = mfspr(SPRN_MMUCFG); + int fsl_mmu = mmu_has_feature(MMU_FTR_TYPE_FSL_E); - if (((mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V1) && - (mmu_has_feature(MMU_FTR_TYPE_FSL_E))) { + if (fsl_mmu && (mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V1) { unsigned int tlb1cfg = mfspr(SPRN_TLB1CFG); unsigned int min_pg, max_pg; @@ -442,6 +442,20 @@ static void setup_page_sizes(void) goto no_indirect; } + + if (fsl_mmu && (mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V2) { + u32 tlb1ps = mfspr(SPRN_TLB1PS); + + for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) { + struct mmu_psize_def *def = &mmu_psize_defs[psize]; + + if (tlb1ps & (1U << (def->shift - 10))) { + def->flags |= MMU_PAGE_SIZE_DIRECT; + } + } + + goto no_indirect; + } #endif tlb0cfg = mfspr(SPRN_TLB0CFG); |