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 | } |
