[PATCH] powerpc: Kill _machine and hard-coded platform numbers
[safe/jmp/linux-2.6] / arch / powerpc / mm / hash_utils_64.c
index 95b4cd6..c006d90 100644 (file)
@@ -88,6 +88,7 @@ static unsigned long _SDR1;
 struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 
 hpte_t *htab_address;
+unsigned long htab_size_bytes;
 unsigned long htab_hash_mask;
 int mmu_linear_psize = MMU_PAGE_4K;
 int mmu_virtual_psize = MMU_PAGE_4K;
@@ -166,18 +167,18 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                 * normal insert callback here.
                 */
 #ifdef CONFIG_PPC_ISERIES
-               if (_machine == PLATFORM_ISERIES_LPAR)
+               if (machine_is(iseries))
                        ret = iSeries_hpte_insert(hpteg, va,
-                                                 virt_to_abs(paddr),
+                                                 paddr,
                                                  tmp_mode,
                                                  HPTE_V_BOLTED,
                                                  psize);
                else
 #endif
 #ifdef CONFIG_PPC_PSERIES
-               if (_machine & PLATFORM_LPAR)
+               if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR))
                        ret = pSeries_lpar_hpte_insert(hpteg, va,
-                                                      virt_to_abs(paddr),
+                                                      paddr,
                                                       tmp_mode,
                                                       HPTE_V_BOLTED,
                                                       psize);
@@ -185,7 +186,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
 #endif
 #ifdef CONFIG_PPC_MULTIPLATFORM
                        ret = native_hpte_insert(hpteg, va,
-                                                virt_to_abs(paddr),
+                                                paddr,
                                                 tmp_mode, HPTE_V_BOLTED,
                                                 psize);
 #endif
@@ -294,8 +295,7 @@ static void __init htab_init_page_sizes(void)
         * Not in the device-tree, let's fallback on known size
         * list for 16M capable GP & GR
         */
-       if ((_machine != PLATFORM_ISERIES_LPAR) &&
-           cpu_has_feature(CPU_FTR_16M_PAGE))
+       if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries))
                memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
                       sizeof(mmu_psize_defaults_gp));
  found:
@@ -391,7 +391,7 @@ static unsigned long __init htab_get_table_size(void)
 #ifdef CONFIG_MEMORY_HOTPLUG
 void create_section_mapping(unsigned long start, unsigned long end)
 {
-               BUG_ON(htab_bolt_mapping(start, end, start,
+               BUG_ON(htab_bolt_mapping(start, end, __pa(start),
                        _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_COHERENT | PP_RWXX,
                        mmu_linear_psize));
 }
@@ -399,7 +399,7 @@ void create_section_mapping(unsigned long start, unsigned long end)
 
 void __init htab_initialize(void)
 {
-       unsigned long table, htab_size_bytes;
+       unsigned long table;
        unsigned long pteg_count;
        unsigned long mode_rw;
        unsigned long base = 0, size = 0;
@@ -421,7 +421,7 @@ void __init htab_initialize(void)
 
        htab_hash_mask = pteg_count - 1;
 
-       if (platform_is_lpar()) {
+       if (firmware_has_feature(FW_FEATURE_LPAR)) {
                /* Using a hypervisor which owns the htab */
                htab_address = NULL;
                _SDR1 = 0; 
@@ -472,21 +472,22 @@ void __init htab_initialize(void)
 
                if (dart_tablebase != 0 && dart_tablebase >= base
                    && dart_tablebase < (base + size)) {
+                       unsigned long dart_table_end = dart_tablebase + 16 * MB;
                        if (base != dart_tablebase)
                                BUG_ON(htab_bolt_mapping(base, dart_tablebase,
-                                                        base, mode_rw,
-                                                        mmu_linear_psize));
-                       if ((base + size) > (dart_tablebase + 16*MB))
+                                                       __pa(base), mode_rw,
+                                                       mmu_linear_psize));
+                       if ((base + size) > dart_table_end)
                                BUG_ON(htab_bolt_mapping(dart_tablebase+16*MB,
-                                                        base + size,
-                                                        dart_tablebase+16*MB,
+                                                       base + size,
+                                                       __pa(dart_table_end),
                                                         mode_rw,
                                                         mmu_linear_psize));
                        continue;
                }
 #endif /* CONFIG_U3_DART */
-               BUG_ON(htab_bolt_mapping(base, base + size, base,
-                                        mode_rw, mmu_linear_psize));
+               BUG_ON(htab_bolt_mapping(base, base + size, __pa(base),
+                                       mode_rw, mmu_linear_psize));
        }
 
        /*
@@ -503,8 +504,8 @@ void __init htab_initialize(void)
                if (base + size >= tce_alloc_start)
                        tce_alloc_start = base + size + 1;
 
-               BUG_ON(htab_bolt_mapping(tce_alloc_start, tce_alloc_end,
-                                        tce_alloc_start, mode_rw,
+               BUG_ON(htab_bolt_mapping(tce_alloc_start, tce_alloc_end,
+                                        __pa(tce_alloc_start), mode_rw,
                                         mmu_linear_psize));
        }
 
@@ -515,7 +516,7 @@ void __init htab_initialize(void)
 
 void htab_initialize_secondary(void)
 {
-       if (!platform_is_lpar())
+       if (!firmware_has_feature(FW_FEATURE_LPAR))
                mtspr(SPRN_SDR1, _SDR1);
 }