diff options
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/fsl_booke_mmu.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 17 |
2 files changed, 17 insertions, 9 deletions
diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index c5394728bf2e..1ed6b52f3031 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c | |||
| @@ -116,7 +116,7 @@ void loadcam_entry(int idx) | |||
| 116 | mtspr(SPRN_MAS2, TLBCAM[idx].MAS2); | 116 | mtspr(SPRN_MAS2, TLBCAM[idx].MAS2); |
| 117 | mtspr(SPRN_MAS3, TLBCAM[idx].MAS3); | 117 | mtspr(SPRN_MAS3, TLBCAM[idx].MAS3); |
| 118 | 118 | ||
| 119 | if (cur_cpu_spec->cpu_features & MMU_FTR_BIG_PHYS) | 119 | if (mmu_has_feature(MMU_FTR_BIG_PHYS)) |
| 120 | mtspr(SPRN_MAS7, TLBCAM[idx].MAS7); | 120 | mtspr(SPRN_MAS7, TLBCAM[idx].MAS7); |
| 121 | 121 | ||
| 122 | asm volatile("isync;tlbwe;isync" : : : "memory"); | 122 | asm volatile("isync;tlbwe;isync" : : : "memory"); |
| @@ -152,18 +152,13 @@ static void settlbcam(int index, unsigned long virt, phys_addr_t phys, | |||
| 152 | 152 | ||
| 153 | TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SX | MAS3_SR; | 153 | TLBCAM[index].MAS3 = (phys & MAS3_RPN) | MAS3_SX | MAS3_SR; |
| 154 | TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_SW : 0); | 154 | TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_SW : 0); |
| 155 | if (cur_cpu_spec->cpu_features & MMU_FTR_BIG_PHYS) | 155 | if (mmu_has_feature(MMU_FTR_BIG_PHYS)) |
| 156 | TLBCAM[index].MAS7 = (u64)phys >> 32; | 156 | TLBCAM[index].MAS7 = (u64)phys >> 32; |
| 157 | 157 | ||
| 158 | #ifndef CONFIG_KGDB /* want user access for breakpoints */ | ||
| 159 | if (flags & _PAGE_USER) { | 158 | if (flags & _PAGE_USER) { |
| 160 | TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR; | 159 | TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR; |
| 161 | TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0); | 160 | TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0); |
| 162 | } | 161 | } |
| 163 | #else | ||
| 164 | TLBCAM[index].MAS3 |= MAS3_UX | MAS3_UR; | ||
| 165 | TLBCAM[index].MAS3 |= ((flags & _PAGE_RW) ? MAS3_UW : 0); | ||
| 166 | #endif | ||
| 167 | 162 | ||
| 168 | tlbcam_addrs[index].start = virt; | 163 | tlbcam_addrs[index].start = virt; |
| 169 | tlbcam_addrs[index].limit = virt + size - 1; | 164 | tlbcam_addrs[index].limit = virt + size - 1; |
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 64c00227b997..eaa7633515b7 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c | |||
| @@ -242,10 +242,11 @@ EXPORT_SYMBOL_GPL(of_node_to_nid); | |||
| 242 | */ | 242 | */ |
| 243 | static int __init find_min_common_depth(void) | 243 | static int __init find_min_common_depth(void) |
| 244 | { | 244 | { |
| 245 | int depth; | 245 | int depth, index; |
| 246 | const unsigned int *ref_points; | 246 | const unsigned int *ref_points; |
| 247 | struct device_node *rtas_root; | 247 | struct device_node *rtas_root; |
| 248 | unsigned int len; | 248 | unsigned int len; |
| 249 | struct device_node *options; | ||
| 249 | 250 | ||
| 250 | rtas_root = of_find_node_by_path("/rtas"); | 251 | rtas_root = of_find_node_by_path("/rtas"); |
| 251 | 252 | ||
| @@ -258,11 +259,23 @@ static int __init find_min_common_depth(void) | |||
| 258 | * configuration (should be all 0's) and the second is for a normal | 259 | * configuration (should be all 0's) and the second is for a normal |
| 259 | * NUMA configuration. | 260 | * NUMA configuration. |
| 260 | */ | 261 | */ |
| 262 | index = 1; | ||
| 261 | ref_points = of_get_property(rtas_root, | 263 | ref_points = of_get_property(rtas_root, |
| 262 | "ibm,associativity-reference-points", &len); | 264 | "ibm,associativity-reference-points", &len); |
| 263 | 265 | ||
| 266 | /* | ||
| 267 | * For type 1 affinity information we want the first field | ||
| 268 | */ | ||
| 269 | options = of_find_node_by_path("/options"); | ||
| 270 | if (options) { | ||
| 271 | const char *str; | ||
| 272 | str = of_get_property(options, "ibm,associativity-form", NULL); | ||
| 273 | if (str && !strcmp(str, "1")) | ||
| 274 | index = 0; | ||
| 275 | } | ||
| 276 | |||
| 264 | if ((len >= 2 * sizeof(unsigned int)) && ref_points) { | 277 | if ((len >= 2 * sizeof(unsigned int)) && ref_points) { |
| 265 | depth = ref_points[1]; | 278 | depth = ref_points[index]; |
| 266 | } else { | 279 | } else { |
| 267 | dbg("NUMA: ibm,associativity-reference-points not found.\n"); | 280 | dbg("NUMA: ibm,associativity-reference-points not found.\n"); |
| 268 | depth = -1; | 281 | depth = -1; |
