diff options
author | Anton Blanchard <anton@samba.org> | 2006-06-10 06:32:01 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2006-06-15 05:31:26 -0400 |
commit | 227318bbde6c8309b1d20ab46532ec2b737e1fee (patch) | |
tree | de8bbbda0d69fc641629c10e5a0a1070a09bdde7 /arch/powerpc/mm | |
parent | 8555a0029b1b0840237b750e55d4835a52cc719b (diff) |
[POWERPC] Remove stale 64bit on 32bit kernel code
Remove some stale POWER3/POWER4/970 on 32bit kernel support.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r-- | arch/powerpc/mm/hash_low_32.S | 34 | ||||
-rw-r--r-- | arch/powerpc/mm/ppc_mmu_32.c | 10 |
2 files changed, 0 insertions, 44 deletions
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index ea469eefa146..94255beeecd3 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S | |||
@@ -74,12 +74,6 @@ _GLOBAL(hash_page_sync) | |||
74 | */ | 74 | */ |
75 | .text | 75 | .text |
76 | _GLOBAL(hash_page) | 76 | _GLOBAL(hash_page) |
77 | #ifdef CONFIG_PPC64BRIDGE | ||
78 | mfmsr r0 | ||
79 | clrldi r0,r0,1 /* make sure it's in 32-bit mode */ | ||
80 | MTMSRD(r0) | ||
81 | isync | ||
82 | #endif | ||
83 | tophys(r7,0) /* gets -KERNELBASE into r7 */ | 77 | tophys(r7,0) /* gets -KERNELBASE into r7 */ |
84 | #ifdef CONFIG_SMP | 78 | #ifdef CONFIG_SMP |
85 | addis r8,r7,mmu_hash_lock@h | 79 | addis r8,r7,mmu_hash_lock@h |
@@ -285,7 +279,6 @@ Hash_base = 0xc0180000 | |||
285 | Hash_bits = 12 /* e.g. 256kB hash table */ | 279 | Hash_bits = 12 /* e.g. 256kB hash table */ |
286 | Hash_msk = (((1 << Hash_bits) - 1) * 64) | 280 | Hash_msk = (((1 << Hash_bits) - 1) * 64) |
287 | 281 | ||
288 | #ifndef CONFIG_PPC64BRIDGE | ||
289 | /* defines for the PTE format for 32-bit PPCs */ | 282 | /* defines for the PTE format for 32-bit PPCs */ |
290 | #define PTE_SIZE 8 | 283 | #define PTE_SIZE 8 |
291 | #define PTEG_SIZE 64 | 284 | #define PTEG_SIZE 64 |
@@ -299,21 +292,6 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64) | |||
299 | #define SET_V(r) oris r,r,PTE_V@h | 292 | #define SET_V(r) oris r,r,PTE_V@h |
300 | #define CLR_V(r,t) rlwinm r,r,0,1,31 | 293 | #define CLR_V(r,t) rlwinm r,r,0,1,31 |
301 | 294 | ||
302 | #else | ||
303 | /* defines for the PTE format for 64-bit PPCs */ | ||
304 | #define PTE_SIZE 16 | ||
305 | #define PTEG_SIZE 128 | ||
306 | #define LG_PTEG_SIZE 7 | ||
307 | #define LDPTEu ldu | ||
308 | #define STPTE std | ||
309 | #define CMPPTE cmpd | ||
310 | #define PTE_H 2 | ||
311 | #define PTE_V 1 | ||
312 | #define TST_V(r) andi. r,r,PTE_V | ||
313 | #define SET_V(r) ori r,r,PTE_V | ||
314 | #define CLR_V(r,t) li t,PTE_V; andc r,r,t | ||
315 | #endif /* CONFIG_PPC64BRIDGE */ | ||
316 | |||
317 | #define HASH_LEFT 31-(LG_PTEG_SIZE+Hash_bits-1) | 295 | #define HASH_LEFT 31-(LG_PTEG_SIZE+Hash_bits-1) |
318 | #define HASH_RIGHT 31-LG_PTEG_SIZE | 296 | #define HASH_RIGHT 31-LG_PTEG_SIZE |
319 | 297 | ||
@@ -331,14 +309,8 @@ BEGIN_FTR_SECTION | |||
331 | END_FTR_SECTION_IFSET(CPU_FTR_NEED_COHERENT) | 309 | END_FTR_SECTION_IFSET(CPU_FTR_NEED_COHERENT) |
332 | 310 | ||
333 | /* Construct the high word of the PPC-style PTE (r5) */ | 311 | /* Construct the high word of the PPC-style PTE (r5) */ |
334 | #ifndef CONFIG_PPC64BRIDGE | ||
335 | rlwinm r5,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ | 312 | rlwinm r5,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ |
336 | rlwimi r5,r4,10,26,31 /* put in API (abbrev page index) */ | 313 | rlwimi r5,r4,10,26,31 /* put in API (abbrev page index) */ |
337 | #else /* CONFIG_PPC64BRIDGE */ | ||
338 | clrlwi r3,r3,8 /* reduce vsid to 24 bits */ | ||
339 | sldi r5,r3,12 /* shift vsid into position */ | ||
340 | rlwimi r5,r4,16,20,24 /* put in API (abbrev page index) */ | ||
341 | #endif /* CONFIG_PPC64BRIDGE */ | ||
342 | SET_V(r5) /* set V (valid) bit */ | 314 | SET_V(r5) /* set V (valid) bit */ |
343 | 315 | ||
344 | /* Get the address of the primary PTE group in the hash table (r3) */ | 316 | /* Get the address of the primary PTE group in the hash table (r3) */ |
@@ -516,14 +488,8 @@ _GLOBAL(flush_hash_pages) | |||
516 | add r3,r3,r0 /* note code below trims to 24 bits */ | 488 | add r3,r3,r0 /* note code below trims to 24 bits */ |
517 | 489 | ||
518 | /* Construct the high word of the PPC-style PTE (r11) */ | 490 | /* Construct the high word of the PPC-style PTE (r11) */ |
519 | #ifndef CONFIG_PPC64BRIDGE | ||
520 | rlwinm r11,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ | 491 | rlwinm r11,r3,7,1,24 /* put VSID in 0x7fffff80 bits */ |
521 | rlwimi r11,r4,10,26,31 /* put in API (abbrev page index) */ | 492 | rlwimi r11,r4,10,26,31 /* put in API (abbrev page index) */ |
522 | #else /* CONFIG_PPC64BRIDGE */ | ||
523 | clrlwi r3,r3,8 /* reduce vsid to 24 bits */ | ||
524 | sldi r11,r3,12 /* shift vsid into position */ | ||
525 | rlwimi r11,r4,16,20,24 /* put in API (abbrev page index) */ | ||
526 | #endif /* CONFIG_PPC64BRIDGE */ | ||
527 | SET_V(r11) /* set V (valid) bit */ | 493 | SET_V(r11) /* set V (valid) bit */ |
528 | 494 | ||
529 | #ifdef CONFIG_SMP | 495 | #ifdef CONFIG_SMP |
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 1df731e42b50..ab5cd724b122 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c | |||
@@ -42,11 +42,7 @@ unsigned long _SDR1; | |||
42 | 42 | ||
43 | union ubat { /* BAT register values to be loaded */ | 43 | union ubat { /* BAT register values to be loaded */ |
44 | BAT bat; | 44 | BAT bat; |
45 | #ifdef CONFIG_PPC64BRIDGE | ||
46 | u64 word[2]; | ||
47 | #else | ||
48 | u32 word[2]; | 45 | u32 word[2]; |
49 | #endif | ||
50 | } BATS[4][2]; /* 4 pairs of IBAT, DBAT */ | 46 | } BATS[4][2]; /* 4 pairs of IBAT, DBAT */ |
51 | 47 | ||
52 | struct batrange { /* stores address ranges mapped by BATs */ | 48 | struct batrange { /* stores address ranges mapped by BATs */ |
@@ -220,15 +216,9 @@ void __init MMU_init_hw(void) | |||
220 | 216 | ||
221 | if ( ppc_md.progress ) ppc_md.progress("hash:enter", 0x105); | 217 | if ( ppc_md.progress ) ppc_md.progress("hash:enter", 0x105); |
222 | 218 | ||
223 | #ifdef CONFIG_PPC64BRIDGE | ||
224 | #define LG_HPTEG_SIZE 7 /* 128 bytes per HPTEG */ | ||
225 | #define SDR1_LOW_BITS (lg_n_hpteg - 11) | ||
226 | #define MIN_N_HPTEG 2048 /* min 256kB hash table */ | ||
227 | #else | ||
228 | #define LG_HPTEG_SIZE 6 /* 64 bytes per HPTEG */ | 219 | #define LG_HPTEG_SIZE 6 /* 64 bytes per HPTEG */ |
229 | #define SDR1_LOW_BITS ((n_hpteg - 1) >> 10) | 220 | #define SDR1_LOW_BITS ((n_hpteg - 1) >> 10) |
230 | #define MIN_N_HPTEG 1024 /* min 64kB hash table */ | 221 | #define MIN_N_HPTEG 1024 /* min 64kB hash table */ |
231 | #endif | ||
232 | 222 | ||
233 | /* | 223 | /* |
234 | * Allow 1 HPTE (1/8 HPTEG) for each page of memory. | 224 | * Allow 1 HPTE (1/8 HPTEG) for each page of memory. |