diff options
Diffstat (limited to 'arch/powerpc/mm/stab.c')
-rw-r--r-- | arch/powerpc/mm/stab.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index fa325dbf98fc..cfbb4e1f966b 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c | |||
@@ -20,6 +20,7 @@ | |||
20 | #include <asm/cputable.h> | 20 | #include <asm/cputable.h> |
21 | #include <asm/lmb.h> | 21 | #include <asm/lmb.h> |
22 | #include <asm/abs_addr.h> | 22 | #include <asm/abs_addr.h> |
23 | #include <asm/firmware.h> | ||
23 | 24 | ||
24 | struct stab_entry { | 25 | struct stab_entry { |
25 | unsigned long esid_data; | 26 | unsigned long esid_data; |
@@ -256,7 +257,7 @@ void stabs_alloc(void) | |||
256 | 257 | ||
257 | paca[cpu].stab_addr = newstab; | 258 | paca[cpu].stab_addr = newstab; |
258 | paca[cpu].stab_real = virt_to_abs(newstab); | 259 | paca[cpu].stab_real = virt_to_abs(newstab); |
259 | printk(KERN_DEBUG "Segment table for CPU %d at 0x%lx " | 260 | printk(KERN_INFO "Segment table for CPU %d at 0x%lx " |
260 | "virtual, 0x%lx absolute\n", | 261 | "virtual, 0x%lx absolute\n", |
261 | cpu, paca[cpu].stab_addr, paca[cpu].stab_real); | 262 | cpu, paca[cpu].stab_addr, paca[cpu].stab_real); |
262 | } | 263 | } |
@@ -270,10 +271,28 @@ void stabs_alloc(void) | |||
270 | void stab_initialize(unsigned long stab) | 271 | void stab_initialize(unsigned long stab) |
271 | { | 272 | { |
272 | unsigned long vsid = get_kernel_vsid(KERNELBASE); | 273 | unsigned long vsid = get_kernel_vsid(KERNELBASE); |
274 | unsigned long stabreal; | ||
273 | 275 | ||
274 | asm volatile("isync; slbia; isync":::"memory"); | 276 | asm volatile("isync; slbia; isync":::"memory"); |
275 | make_ste(stab, GET_ESID(KERNELBASE), vsid); | 277 | make_ste(stab, GET_ESID(KERNELBASE), vsid); |
276 | 278 | ||
277 | /* Order update */ | 279 | /* Order update */ |
278 | asm volatile("sync":::"memory"); | 280 | asm volatile("sync":::"memory"); |
281 | |||
282 | /* Set ASR */ | ||
283 | stabreal = get_paca()->stab_real | 0x1ul; | ||
284 | |||
285 | #ifdef CONFIG_PPC_ISERIES | ||
286 | if (firmware_has_feature(FW_FEATURE_ISERIES)) { | ||
287 | HvCall1(HvCallBaseSetASR, stabreal); | ||
288 | return; | ||
289 | } | ||
290 | #endif /* CONFIG_PPC_ISERIES */ | ||
291 | #ifdef CONFIG_PPC_PSERIES | ||
292 | if (platform_is_lpar()) { | ||
293 | plpar_hcall_norets(H_SET_ASR, stabreal); | ||
294 | return; | ||
295 | } | ||
296 | #endif | ||
297 | mtspr(SPRN_ASR, stabreal); | ||
279 | } | 298 | } |