diff options
| author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-07 22:13:05 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:11:56 -0800 |
| commit | 8b11bd12aff76e02cdc2cbc9e439bba88d281223 (patch) | |
| tree | 903ab8830616bfbe5a821e4359f642842c8060a4 /arch/sparc64/kernel/setup.c | |
| parent | 481295f982b21b1dbe71cbf41d3a93028fee30d1 (diff) | |
[SPARC64]: Patch up mmu context register writes for sun4v.
sun4v uses ASI_MMU instead of ASI_DMMU
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/setup.c')
| -rw-r--r-- | arch/sparc64/kernel/setup.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 6d6178efd587..2d64320d3a4d 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -189,26 +189,30 @@ int prom_callback(long *args) } if ((va >= KERNBASE) && (va < (KERNBASE + (4 * 1024 * 1024)))) { - extern unsigned long sparc64_kern_pri_context; - - /* Spitfire Errata #32 workaround */ - __asm__ __volatile__("stxa %0, [%1] %2\n\t" - "flush %%g6" - : /* No outputs */ - : "r" (sparc64_kern_pri_context), - "r" (PRIMARY_CONTEXT), - "i" (ASI_DMMU)); + if (tlb_type == spitfire) { + extern unsigned long sparc64_kern_pri_context; + + /* Spitfire Errata #32 workaround */ + __asm__ __volatile__( + "stxa %0, [%1] %2\n\t" + "flush %%g6" + : /* No outputs */ + : "r" (sparc64_kern_pri_context), + "r" (PRIMARY_CONTEXT), + "i" (ASI_DMMU)); + } /* * Locked down tlb entry. */ - if (tlb_type == spitfire) + if (tlb_type == spitfire) { tte = spitfire_get_dtlb_data(SPITFIRE_HIGHEST_LOCKED_TLBENT); - else if (tlb_type == cheetah || tlb_type == cheetah_plus) + res = PROM_TRUE; + } else if (tlb_type == cheetah || tlb_type == cheetah_plus) { tte = cheetah_get_ldtlb_data(CHEETAH_HIGHEST_LOCKED_TLBENT); - - res = PROM_TRUE; + res = PROM_TRUE; + } goto done; } |