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authorMatt Evans <matt@ozlabs.org>2011-04-06 19:48:50 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-27 14:18:52 +1000
commit44ae3ab3358e962039c36ad4ae461ae9fb29596c (patch)
tree08c0628a5226c0535b7fe236be64b48e5eb0fbd6 /arch/powerpc/platforms
parenteca590f402332ab873d13f2d8d00fa0b91cfff36 (diff)
downloadlinaro-lsk-44ae3ab3358e962039c36ad4ae461ae9fb29596c.tar.gz
powerpc: Free up some CPU feature bits by moving out MMU-related features
Some of the 64bit PPC CPU features are MMU-related, so this patch moves them to MMU_FTR_ bits. All cpu_has_feature()-style tests are moved to mmu_has_feature(), and seven feature bits are freed as a result. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/iseries/exception.S3
-rw-r--r--arch/powerpc/platforms/iseries/setup.c4
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 32a56c6dfa7..a67984c0495 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -31,6 +31,7 @@
#include <asm/thread_info.h>
#include <asm/ptrace.h>
#include <asm/cputable.h>
+#include <asm/mmu.h>
#include "exception.h"
@@ -157,7 +158,7 @@ BEGIN_FTR_SECTION
FTR_SECTION_ELSE
EXCEPTION_PROLOG_1(PACA_EXGEN)
EXCEPTION_PROLOG_ISERIES_1
-ALT_FTR_SECTION_END_IFCLR(CPU_FTR_SLB)
+ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_SLB)
b data_access_common
.do_stab_bolted_iSeries:
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 2946ae10fbf..81cb8d2c413 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -249,7 +249,7 @@ static unsigned long iSeries_process_mainstore_vpd(struct MemoryBlock *mb_array,
unsigned long i;
unsigned long mem_blocks = 0;
- if (cpu_has_feature(CPU_FTR_SLB))
+ if (mmu_has_feature(MMU_FTR_SLB))
mem_blocks = iSeries_process_Regatta_mainstore_vpd(mb_array,
max_entries);
else
@@ -634,7 +634,7 @@ static int __init iseries_probe(void)
hpte_init_iSeries();
/* iSeries does not support 16M pages */
- cur_cpu_spec->cpu_features &= ~CPU_FTR_16M_PAGE;
+ cur_cpu_spec->mmu_features &= ~MMU_FTR_16M_PAGE;
return 1;
}
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index ca5d5898d32..6f0ed3aac77 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -573,7 +573,7 @@ static void pSeries_lpar_flush_hash_range(unsigned long number, int local)
unsigned long i, pix, rc;
unsigned long flags = 0;
struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
- int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE);
+ int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
unsigned long param[9];
unsigned long va;
unsigned long hash, index, shift, hidx, slot;