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-rw-r--r--arch/sparc64/kernel/head.S549
-rw-r--r--arch/sparc64/kernel/setup.c15
-rw-r--r--arch/sparc64/kernel/trampoline.S16
-rw-r--r--arch/sparc64/mm/init.c98
-rw-r--r--arch/sparc64/prom/Makefile2
-rw-r--r--arch/sparc64/prom/console.c2
-rw-r--r--arch/sparc64/prom/devops.c2
-rw-r--r--arch/sparc64/prom/init.c2
-rw-r--r--arch/sparc64/prom/map.S72
-rw-r--r--arch/sparc64/prom/misc.c34
-rw-r--r--arch/sparc64/prom/p1275.c2
-rw-r--r--arch/sparc64/prom/printf.c2
-rw-r--r--arch/sparc64/prom/tree.c50
-rw-r--r--include/asm-sparc64/oplib.h52
14 files changed, 254 insertions, 644 deletions
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index dc3551f46b76..8b83520e4272 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -80,15 +80,165 @@ sparc_ramdisk_image64:
80 .xword 0 80 .xword 0
81 .word _end 81 .word _end
82 82
83 /* We must be careful, 32-bit OpenBOOT will get confused if it 83 /* PROM cif handler code address is in %o4. */
84 * tries to save away a register window to a 64-bit kernel 84sparc64_boot:
85 * stack address. Flush all windows, disable interrupts, 851: rd %pc, %g7
86 * remap if necessary, jump onto kernel trap table, then kernel 86 set 1b, %g1
87 * stack, or else we die. 87 cmp %g1, %g7
88 be,pn %xcc, sparc64_boot_after_remap
89 mov %o4, %l7
90
91 /* We need to remap the kernel. Use position independant
92 * code to remap us to KERNBASE.
88 * 93 *
89 * PROM entry point is on %o4 94 * SILO can invoke us with 32-bit address masking enabled,
95 * so make sure that's clear.
90 */ 96 */
91sparc64_boot: 97 rdpr %pstate, %g1
98 andn %g1, PSTATE_AM, %g1
99 wrpr %g1, 0x0, %pstate
100 ba,a,pt %xcc, 1f
101
102 .globl prom_finddev_name, prom_chosen_path
103 .globl prom_getprop_name, prom_mmu_name
104 .globl prom_callmethod_name, prom_translate_name
105 .globl prom_map_name, prom_unmap_name, prom_mmu_ihandle_cache
106 .globl prom_boot_mapped_pc, prom_boot_mapping_mode
107 .globl prom_boot_mapping_phys_high, prom_boot_mapping_phys_low
108prom_finddev_name:
109 .asciz "finddevice"
110prom_chosen_path:
111 .asciz "/chosen"
112prom_getprop_name:
113 .asciz "getprop"
114prom_mmu_name:
115 .asciz "mmu"
116prom_callmethod_name:
117 .asciz "call-method"
118prom_translate_name:
119 .asciz "translate"
120prom_map_name:
121 .asciz "map"
122prom_unmap_name:
123 .asciz "unmap"
124 .align 4
125prom_mmu_ihandle_cache:
126 .word 0
127prom_boot_mapped_pc:
128 .word 0
129prom_boot_mapping_mode:
130 .word 0
131 .align 8
132prom_boot_mapping_phys_high:
133 .xword 0
134prom_boot_mapping_phys_low:
135 .xword 0
1361:
137 rd %pc, %l0
138 mov (1b - prom_finddev_name), %l1
139 mov (1b - prom_chosen_path), %l2
140 mov (1b - prom_boot_mapped_pc), %l3
141 sub %l0, %l1, %l1
142 sub %l0, %l2, %l2
143 sub %l0, %l3, %l3
144 stw %l0, [%l3]
145 sub %sp, (192 + 128), %sp
146
147 /* chosen_node = prom_finddevice("/chosen") */
148 stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "finddevice"
149 mov 1, %l3
150 stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 1
151 stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1
152 stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1, "/chosen"
153 stx %g0, [%sp + 2047 + 128 + 0x20] ! ret1
154 call %l7
155 add %sp, (2047 + 128), %o0 ! argument array
156
157 ldx [%sp + 2047 + 128 + 0x20], %l4 ! chosen device node
158
159 mov (1b - prom_getprop_name), %l1
160 mov (1b - prom_mmu_name), %l2
161 mov (1b - prom_mmu_ihandle_cache), %l5
162 sub %l0, %l1, %l1
163 sub %l0, %l2, %l2
164 sub %l0, %l5, %l5
165
166 /* prom_mmu_ihandle_cache = prom_getint(chosen_node, "mmu") */
167 stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "getprop"
168 mov 4, %l3
169 stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 4
170 mov 1, %l3
171 stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1
172 stx %l4, [%sp + 2047 + 128 + 0x18] ! arg1, chosen_node
173 stx %l2, [%sp + 2047 + 128 + 0x20] ! arg2, "mmu"
174 stx %l5, [%sp + 2047 + 128 + 0x28] ! arg3, &prom_mmu_ihandle_cache
175 mov 4, %l3
176 stx %l3, [%sp + 2047 + 128 + 0x30] ! arg4, sizeof(arg3)
177 stx %g0, [%sp + 2047 + 128 + 0x38] ! ret1
178 call %l7
179 add %sp, (2047 + 128), %o0 ! argument array
180
181 mov (1b - prom_callmethod_name), %l1
182 mov (1b - prom_translate_name), %l2
183 sub %l0, %l1, %l1
184 sub %l0, %l2, %l2
185 lduw [%l5], %l5 ! prom_mmu_ihandle_cache
186
187 stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "call-method"
188 mov 3, %l3
189 stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 3
190 mov 5, %l3
191 stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 5
192 stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1: "translate"
193 stx %l5, [%sp + 2047 + 128 + 0x20] ! arg2: prom_mmu_ihandle_cache
194 srlx %l0, 22, %l3
195 sllx %l3, 22, %l3
196 stx %l3, [%sp + 2047 + 128 + 0x28] ! arg3: vaddr, our PC
197 stx %g0, [%sp + 2047 + 128 + 0x30] ! res1
198 stx %g0, [%sp + 2047 + 128 + 0x38] ! res2
199 stx %g0, [%sp + 2047 + 128 + 0x40] ! res3
200 stx %g0, [%sp + 2047 + 128 + 0x48] ! res4
201 stx %g0, [%sp + 2047 + 128 + 0x50] ! res5
202 call %l7
203 add %sp, (2047 + 128), %o0 ! argument array
204
205 ldx [%sp + 2047 + 128 + 0x40], %l1 ! translation mode
206 mov (1b - prom_boot_mapping_mode), %l4
207 sub %l0, %l4, %l4
208 stw %l1, [%l4]
209 mov (1b - prom_boot_mapping_phys_high), %l4
210 sub %l0, %l4, %l4
211 ldx [%sp + 2047 + 128 + 0x48], %l2 ! physaddr high
212 stx %l2, [%l4 + 0x0]
213 ldx [%sp + 2047 + 128 + 0x50], %l3 ! physaddr low
214 stx %l3, [%l4 + 0x8]
215
216 /* Leave service as-is, "call-method" */
217 mov 7, %l3
218 stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 7
219 mov 1, %l3
220 stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 7
221 mov (1b - prom_map_name), %l3
222 sub %l0, %l3, %l3
223 stx %l3, [%sp + 2047 + 128 + 0x18] ! arg1: "map"
224 /* Leave arg2 as-is, prom_mmu_ihandle_cache */
225 mov -1, %l3
226 stx %l3, [%sp + 2047 + 128 + 0x28] ! arg3: mode (-1 default)
227 sethi %hi(8 * 1024 * 1024), %l3
228 stx %l3, [%sp + 2047 + 128 + 0x30] ! arg4: size (8MB)
229 sethi %hi(KERNBASE), %l3
230 stx %l3, [%sp + 2047 + 128 + 0x38] ! arg5: vaddr (KERNBASE)
231 stx %g0, [%sp + 2047 + 128 + 0x40] ! arg6: empty
232 mov (1b - prom_boot_mapping_phys_low), %l3
233 sub %l0, %l3, %l3
234 ldx [%l3], %l3
235 stx %l3, [%sp + 2047 + 128 + 0x48] ! arg7: phys addr
236 call %l7
237 add %sp, (2047 + 128), %o0 ! argument array
238
239 add %sp, (192 + 128), %sp
240
241sparc64_boot_after_remap:
92 BRANCH_IF_CHEETAH_BASE(g1,g7,cheetah_boot) 242 BRANCH_IF_CHEETAH_BASE(g1,g7,cheetah_boot)
93 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,cheetah_plus_boot) 243 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,cheetah_plus_boot)
94 ba,pt %xcc, spitfire_boot 244 ba,pt %xcc, spitfire_boot
@@ -125,185 +275,7 @@ cheetah_generic_boot:
125 stxa %g0, [%g3] ASI_IMMU 275 stxa %g0, [%g3] ASI_IMMU
126 membar #Sync 276 membar #Sync
127 277
128 wrpr %g0, (PSTATE_PRIV|PSTATE_PEF|PSTATE_IE), %pstate 278 ba,a,pt %xcc, jump_to_sun4u_init
129 wr %g0, 0, %fprs
130
131 /* Just like for Spitfire, we probe itlb-2 for a mapping which
132 * matches our current %pc. We take the physical address in
133 * that mapping and use it to make our own.
134 */
135
136 /* %g5 holds the tlb data */
137 sethi %uhi(_PAGE_VALID | _PAGE_SZ4MB), %g5
138 sllx %g5, 32, %g5
139 or %g5, (_PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W | _PAGE_G), %g5
140
141 /* Put PADDR tlb data mask into %g3. */
142 sethi %uhi(_PAGE_PADDR), %g3
143 or %g3, %ulo(_PAGE_PADDR), %g3
144 sllx %g3, 32, %g3
145 sethi %hi(_PAGE_PADDR), %g7
146 or %g7, %lo(_PAGE_PADDR), %g7
147 or %g3, %g7, %g3
148
149 set 2 << 16, %l0 /* TLB entry walker. */
150 set 0x1fff, %l2 /* Page mask. */
151 rd %pc, %l3
152 andn %l3, %l2, %g2 /* vaddr comparator */
153
1541: ldxa [%l0] ASI_ITLB_TAG_READ, %g1
155 membar #Sync
156 andn %g1, %l2, %g1
157 cmp %g1, %g2
158 be,pn %xcc, cheetah_got_tlbentry
159 nop
160 and %l0, (127 << 3), %g1
161 cmp %g1, (127 << 3)
162 blu,pt %xcc, 1b
163 add %l0, (1 << 3), %l0
164
165 /* Search the small TLB. OBP never maps us like that but
166 * newer SILO can.
167 */
168 clr %l0
169
1701: ldxa [%l0] ASI_ITLB_TAG_READ, %g1
171 membar #Sync
172 andn %g1, %l2, %g1
173 cmp %g1, %g2
174 be,pn %xcc, cheetah_got_tlbentry
175 nop
176 cmp %l0, (15 << 3)
177 blu,pt %xcc, 1b
178 add %l0, (1 << 3), %l0
179
180 /* BUG() if we get here... */
181 ta 0x5
182
183cheetah_got_tlbentry:
184 ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g0
185 ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g1
186 membar #Sync
187 and %g1, %g3, %g1
188 set 0x5fff, %l0
189 andn %g1, %l0, %g1
190 or %g5, %g1, %g5
191
192 /* Clear out any KERNBASE area entries. */
193 set 2 << 16, %l0
194 sethi %hi(KERNBASE), %g3
195 sethi %hi(KERNBASE<<1), %g7
196 mov TLB_TAG_ACCESS, %l7
197
198 /* First, check ITLB */
1991: ldxa [%l0] ASI_ITLB_TAG_READ, %g1
200 membar #Sync
201 andn %g1, %l2, %g1
202 cmp %g1, %g3
203 blu,pn %xcc, 2f
204 cmp %g1, %g7
205 bgeu,pn %xcc, 2f
206 nop
207 stxa %g0, [%l7] ASI_IMMU
208 membar #Sync
209 stxa %g0, [%l0] ASI_ITLB_DATA_ACCESS
210 membar #Sync
211
2122: and %l0, (127 << 3), %g1
213 cmp %g1, (127 << 3)
214 blu,pt %xcc, 1b
215 add %l0, (1 << 3), %l0
216
217 /* Next, check DTLB */
218 set 2 << 16, %l0
2191: ldxa [%l0] ASI_DTLB_TAG_READ, %g1
220 membar #Sync
221 andn %g1, %l2, %g1
222 cmp %g1, %g3
223 blu,pn %xcc, 2f
224 cmp %g1, %g7
225 bgeu,pn %xcc, 2f
226 nop
227 stxa %g0, [%l7] ASI_DMMU
228 membar #Sync
229 stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS
230 membar #Sync
231
2322: and %l0, (511 << 3), %g1
233 cmp %g1, (511 << 3)
234 blu,pt %xcc, 1b
235 add %l0, (1 << 3), %l0
236
237 /* On Cheetah+, have to check second DTLB. */
238 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,l0,2f)
239 ba,pt %xcc, 9f
240 nop
241
2422: set 3 << 16, %l0
2431: ldxa [%l0] ASI_DTLB_TAG_READ, %g1
244 membar #Sync
245 andn %g1, %l2, %g1
246 cmp %g1, %g3
247 blu,pn %xcc, 2f
248 cmp %g1, %g7
249 bgeu,pn %xcc, 2f
250 nop
251 stxa %g0, [%l7] ASI_DMMU
252 membar #Sync
253 stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS
254 membar #Sync
255
2562: and %l0, (511 << 3), %g1
257 cmp %g1, (511 << 3)
258 blu,pt %xcc, 1b
259 add %l0, (1 << 3), %l0
260
2619:
262
263 /* Now lock the TTE we created into ITLB-0 and DTLB-0,
264 * entry 15 (and maybe 14 too).
265 */
266 sethi %hi(KERNBASE), %g3
267 set (0 << 16) | (15 << 3), %g7
268 stxa %g3, [%l7] ASI_DMMU
269 membar #Sync
270 stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS
271 membar #Sync
272 stxa %g3, [%l7] ASI_IMMU
273 membar #Sync
274 stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS
275 membar #Sync
276 flush %g3
277 membar #Sync
278 sethi %hi(_end), %g3 /* Check for bigkernel case */
279 or %g3, %lo(_end), %g3
280 srl %g3, 23, %g3 /* Check if _end > 8M */
281 brz,pt %g3, 1f
282 sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */
283 sethi %hi(0x400000), %g3
284 or %g3, %lo(0x400000), %g3
285 add %g5, %g3, %g5 /* New tte data */
286 andn %g5, (_PAGE_G), %g5
287 sethi %hi(KERNBASE+0x400000), %g3
288 or %g3, %lo(KERNBASE+0x400000), %g3
289 set (0 << 16) | (14 << 3), %g7
290 stxa %g3, [%l7] ASI_DMMU
291 membar #Sync
292 stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS
293 membar #Sync
294 stxa %g3, [%l7] ASI_IMMU
295 membar #Sync
296 stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS
297 membar #Sync
298 flush %g3
299 membar #Sync
300 sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */
301 ba,pt %xcc, 1f
302 nop
303
3041: set sun4u_init, %g2
305 jmpl %g2 + %g0, %g0
306 nop
307 279
308spitfire_boot: 280spitfire_boot:
309 /* Typically PROM has already enabled both MMU's and both on-chip 281 /* Typically PROM has already enabled both MMU's and both on-chip
@@ -313,6 +285,7 @@ spitfire_boot:
313 stxa %g1, [%g0] ASI_LSU_CONTROL 285 stxa %g1, [%g0] ASI_LSU_CONTROL
314 membar #Sync 286 membar #Sync
315 287
288jump_to_sun4u_init:
316 /* 289 /*
317 * Make sure we are in privileged mode, have address masking, 290 * Make sure we are in privileged mode, have address masking,
318 * using the ordinary globals and have enabled floating 291 * using the ordinary globals and have enabled floating
@@ -324,151 +297,6 @@ spitfire_boot:
324 wrpr %g0, (PSTATE_PRIV|PSTATE_PEF|PSTATE_IE), %pstate 297 wrpr %g0, (PSTATE_PRIV|PSTATE_PEF|PSTATE_IE), %pstate
325 wr %g0, 0, %fprs 298 wr %g0, 0, %fprs
326 299
327spitfire_create_mappings:
328 /* %g5 holds the tlb data */
329 sethi %uhi(_PAGE_VALID | _PAGE_SZ4MB), %g5
330 sllx %g5, 32, %g5
331 or %g5, (_PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W | _PAGE_G), %g5
332
333 /* Base of physical memory cannot reliably be assumed to be
334 * at 0x0! Figure out where it happens to be. -DaveM
335 */
336
337 /* Put PADDR tlb data mask into %g3. */
338 sethi %uhi(_PAGE_PADDR_SF), %g3
339 or %g3, %ulo(_PAGE_PADDR_SF), %g3
340 sllx %g3, 32, %g3
341 sethi %hi(_PAGE_PADDR_SF), %g7
342 or %g7, %lo(_PAGE_PADDR_SF), %g7
343 or %g3, %g7, %g3
344
345 /* Walk through entire ITLB, looking for entry which maps
346 * our %pc currently, stick PADDR from there into %g5 tlb data.
347 */
348 clr %l0 /* TLB entry walker. */
349 set 0x1fff, %l2 /* Page mask. */
350 rd %pc, %l3
351 andn %l3, %l2, %g2 /* vaddr comparator */
3521:
353 /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */
354 ldxa [%l0] ASI_ITLB_TAG_READ, %g1
355 nop
356 nop
357 nop
358 andn %g1, %l2, %g1 /* Get vaddr */
359 cmp %g1, %g2
360 be,a,pn %xcc, spitfire_got_tlbentry
361 ldxa [%l0] ASI_ITLB_DATA_ACCESS, %g1
362 cmp %l0, (63 << 3)
363 blu,pt %xcc, 1b
364 add %l0, (1 << 3), %l0
365
366 /* BUG() if we get here... */
367 ta 0x5
368
369spitfire_got_tlbentry:
370 /* Nops here again, perhaps Cheetah/Blackbird are better behaved... */
371 nop
372 nop
373 nop
374 and %g1, %g3, %g1 /* Mask to just get paddr bits. */
375 set 0x5fff, %l3 /* Mask offset to get phys base. */
376 andn %g1, %l3, %g1
377
378 /* NOTE: We hold on to %g1 paddr base as we need it below to lock
379 * NOTE: the PROM cif code into the TLB.
380 */
381
382 or %g5, %g1, %g5 /* Or it into TAG being built. */
383
384 clr %l0 /* TLB entry walker. */
385 sethi %hi(KERNBASE), %g3 /* 4M lower limit */
386 sethi %hi(KERNBASE<<1), %g7 /* 8M upper limit */
387 mov TLB_TAG_ACCESS, %l7
3881:
389 /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */
390 ldxa [%l0] ASI_ITLB_TAG_READ, %g1
391 nop
392 nop
393 nop
394 andn %g1, %l2, %g1 /* Get vaddr */
395 cmp %g1, %g3
396 blu,pn %xcc, 2f
397 cmp %g1, %g7
398 bgeu,pn %xcc, 2f
399 nop
400 stxa %g0, [%l7] ASI_IMMU
401 stxa %g0, [%l0] ASI_ITLB_DATA_ACCESS
402 membar #Sync
4032:
404 cmp %l0, (63 << 3)
405 blu,pt %xcc, 1b
406 add %l0, (1 << 3), %l0
407
408 nop; nop; nop
409
410 clr %l0 /* TLB entry walker. */
4111:
412 /* Yes, the nops seem to be necessary for now, don't ask me why. -DaveM */
413 ldxa [%l0] ASI_DTLB_TAG_READ, %g1
414 nop
415 nop
416 nop
417 andn %g1, %l2, %g1 /* Get vaddr */
418 cmp %g1, %g3
419 blu,pn %xcc, 2f
420 cmp %g1, %g7
421 bgeu,pn %xcc, 2f
422 nop
423 stxa %g0, [%l7] ASI_DMMU
424 stxa %g0, [%l0] ASI_DTLB_DATA_ACCESS
425 membar #Sync
4262:
427 cmp %l0, (63 << 3)
428 blu,pt %xcc, 1b
429 add %l0, (1 << 3), %l0
430
431 nop; nop; nop
432
433
434 /* PROM never puts any TLB entries into the MMU with the lock bit
435 * set. So we gladly use tlb entry 63 for KERNBASE. And maybe 62 too.
436 */
437
438 sethi %hi(KERNBASE), %g3
439 mov (63 << 3), %g7
440 stxa %g3, [%l7] ASI_DMMU /* KERNBASE into TLB TAG */
441 stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS /* TTE into TLB DATA */
442 membar #Sync
443 stxa %g3, [%l7] ASI_IMMU /* KERNBASE into TLB TAG */
444 stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS /* TTE into TLB DATA */
445 membar #Sync
446 flush %g3
447 membar #Sync
448 sethi %hi(_end), %g3 /* Check for bigkernel case */
449 or %g3, %lo(_end), %g3
450 srl %g3, 23, %g3 /* Check if _end > 8M */
451 brz,pt %g3, 2f
452 sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */
453 sethi %hi(0x400000), %g3
454 or %g3, %lo(0x400000), %g3
455 add %g5, %g3, %g5 /* New tte data */
456 andn %g5, (_PAGE_G), %g5
457 sethi %hi(KERNBASE+0x400000), %g3
458 or %g3, %lo(KERNBASE+0x400000), %g3
459 mov (62 << 3), %g7
460 stxa %g3, [%l7] ASI_DMMU
461 stxa %g5, [%g7] ASI_DTLB_DATA_ACCESS
462 membar #Sync
463 stxa %g3, [%l7] ASI_IMMU
464 stxa %g5, [%g7] ASI_ITLB_DATA_ACCESS
465 membar #Sync
466 flush %g3
467 membar #Sync
468 sethi %hi(KERNBASE), %g3 /* Restore for fixup code below */
4692: ba,pt %xcc, 1f
470 nop
4711:
472 set sun4u_init, %g2 300 set sun4u_init, %g2
473 jmpl %g2 + %g0, %g0 301 jmpl %g2 + %g0, %g0
474 nop 302 nop
@@ -483,38 +311,12 @@ sun4u_init:
483 stxa %g0, [%g7] ASI_DMMU 311 stxa %g0, [%g7] ASI_DMMU
484 membar #Sync 312 membar #Sync
485 313
486 /* We are now safely (we hope) in Nucleus context (0), rewrite
487 * the KERNBASE TTE's so they no longer have the global bit set.
488 * Don't forget to setup TAG_ACCESS first 8-)
489 */
490 mov TLB_TAG_ACCESS, %g2
491 stxa %g3, [%g2] ASI_IMMU
492 stxa %g3, [%g2] ASI_DMMU
493 membar #Sync
494
495 BRANCH_IF_ANY_CHEETAH(g1,g7,cheetah_tlb_fixup) 314 BRANCH_IF_ANY_CHEETAH(g1,g7,cheetah_tlb_fixup)
496 315
497 ba,pt %xcc, spitfire_tlb_fixup 316 ba,pt %xcc, spitfire_tlb_fixup
498 nop 317 nop
499 318
500cheetah_tlb_fixup: 319cheetah_tlb_fixup:
501 set (0 << 16) | (15 << 3), %g7
502 ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g0
503 ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g1
504 andn %g1, (_PAGE_G), %g1
505 stxa %g1, [%g7] ASI_ITLB_DATA_ACCESS
506 membar #Sync
507
508 ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g0
509 ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g1
510 andn %g1, (_PAGE_G), %g1
511 stxa %g1, [%g7] ASI_DTLB_DATA_ACCESS
512 membar #Sync
513
514 /* Kill instruction prefetch queues. */
515 flush %g3
516 membar #Sync
517
518 mov 2, %g2 /* Set TLB type to cheetah+. */ 320 mov 2, %g2 /* Set TLB type to cheetah+. */
519 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f) 321 BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(g1,g7,1f)
520 322
@@ -551,21 +353,6 @@ cheetah_tlb_fixup:
551 nop 353 nop
552 354
553spitfire_tlb_fixup: 355spitfire_tlb_fixup:
554 mov (63 << 3), %g7
555 ldxa [%g7] ASI_ITLB_DATA_ACCESS, %g1
556 andn %g1, (_PAGE_G), %g1
557 stxa %g1, [%g7] ASI_ITLB_DATA_ACCESS
558 membar #Sync
559
560 ldxa [%g7] ASI_DTLB_DATA_ACCESS, %g1
561 andn %g1, (_PAGE_G), %g1
562 stxa %g1, [%g7] ASI_DTLB_DATA_ACCESS
563 membar #Sync
564
565 /* Kill instruction prefetch queues. */
566 flush %g3
567 membar #Sync
568
569 /* Set TLB type to spitfire. */ 356 /* Set TLB type to spitfire. */
570 mov 0, %g2 357 mov 0, %g2
571 sethi %hi(tlb_type), %g1 358 sethi %hi(tlb_type), %g1
@@ -578,24 +365,6 @@ tlb_fixup_done:
578 mov %sp, %l6 365 mov %sp, %l6
579 mov %o4, %l7 366 mov %o4, %l7
580 367
581#if 0 /* We don't do it like this anymore, but for historical hack value
582 * I leave this snippet here to show how crazy we can be sometimes. 8-)
583 */
584
585 /* Setup "Linux Current Register", thanks Sun 8-) */
586 wr %g0, 0x1, %pcr
587
588 /* Blackbird errata workaround. See commentary in
589 * smp.c:smp_percpu_timer_interrupt() for more
590 * information.
591 */
592 ba,pt %xcc, 99f
593 nop
594 .align 64
59599: wr %g6, %g0, %pic
596 rd %pic, %g0
597#endif
598
599 wr %g0, ASI_P, %asi 368 wr %g0, ASI_P, %asi
600 mov 1, %g1 369 mov 1, %g1
601 sllx %g1, THREAD_SHIFT, %g1 370 sllx %g1, THREAD_SHIFT, %g1
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index ddbed3341a23..0296cb00fc99 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -536,20 +536,7 @@ void __init setup_arch(char **cmdline_p)
536 } 536 }
537 pfn_base = phys_base >> PAGE_SHIFT; 537 pfn_base = phys_base >> PAGE_SHIFT;
538 538
539 switch (tlb_type) { 539 kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
540 default:
541 case spitfire:
542 kern_base = spitfire_get_itlb_data(sparc64_highest_locked_tlbent());
543 kern_base &= _PAGE_PADDR_SF;
544 break;
545
546 case cheetah:
547 case cheetah_plus:
548 kern_base = cheetah_get_litlb_data(sparc64_highest_locked_tlbent());
549 kern_base &= _PAGE_PADDR;
550 break;
551 };
552
553 kern_size = (unsigned long)&_end - (unsigned long)KERNBASE; 540 kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
554 541
555 if (!root_flags) 542 if (!root_flags)
diff --git a/arch/sparc64/kernel/trampoline.S b/arch/sparc64/kernel/trampoline.S
index 3a145fc39cf2..89f2fcfcd662 100644
--- a/arch/sparc64/kernel/trampoline.S
+++ b/arch/sparc64/kernel/trampoline.S
@@ -119,8 +119,8 @@ startup_continue:
119 sethi %hi(itlb_load), %g2 119 sethi %hi(itlb_load), %g2
120 or %g2, %lo(itlb_load), %g2 120 or %g2, %lo(itlb_load), %g2
121 stx %g2, [%sp + 2047 + 128 + 0x18] 121 stx %g2, [%sp + 2047 + 128 + 0x18]
122 sethi %hi(mmu_ihandle_cache), %g2 122 sethi %hi(prom_mmu_ihandle_cache), %g2
123 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 123 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
124 stx %g2, [%sp + 2047 + 128 + 0x20] 124 stx %g2, [%sp + 2047 + 128 + 0x20]
125 sethi %hi(KERNBASE), %g2 125 sethi %hi(KERNBASE), %g2
126 stx %g2, [%sp + 2047 + 128 + 0x28] 126 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -156,8 +156,8 @@ startup_continue:
156 sethi %hi(itlb_load), %g2 156 sethi %hi(itlb_load), %g2
157 or %g2, %lo(itlb_load), %g2 157 or %g2, %lo(itlb_load), %g2
158 stx %g2, [%sp + 2047 + 128 + 0x18] 158 stx %g2, [%sp + 2047 + 128 + 0x18]
159 sethi %hi(mmu_ihandle_cache), %g2 159 sethi %hi(prom_mmu_ihandle_cache), %g2
160 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 160 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
161 stx %g2, [%sp + 2047 + 128 + 0x20] 161 stx %g2, [%sp + 2047 + 128 + 0x20]
162 sethi %hi(KERNBASE + 0x400000), %g2 162 sethi %hi(KERNBASE + 0x400000), %g2
163 stx %g2, [%sp + 2047 + 128 + 0x28] 163 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -190,8 +190,8 @@ do_dtlb:
190 sethi %hi(dtlb_load), %g2 190 sethi %hi(dtlb_load), %g2
191 or %g2, %lo(dtlb_load), %g2 191 or %g2, %lo(dtlb_load), %g2
192 stx %g2, [%sp + 2047 + 128 + 0x18] 192 stx %g2, [%sp + 2047 + 128 + 0x18]
193 sethi %hi(mmu_ihandle_cache), %g2 193 sethi %hi(prom_mmu_ihandle_cache), %g2
194 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 194 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
195 stx %g2, [%sp + 2047 + 128 + 0x20] 195 stx %g2, [%sp + 2047 + 128 + 0x20]
196 sethi %hi(KERNBASE), %g2 196 sethi %hi(KERNBASE), %g2
197 stx %g2, [%sp + 2047 + 128 + 0x28] 197 stx %g2, [%sp + 2047 + 128 + 0x28]
@@ -228,8 +228,8 @@ do_dtlb:
228 sethi %hi(dtlb_load), %g2 228 sethi %hi(dtlb_load), %g2
229 or %g2, %lo(dtlb_load), %g2 229 or %g2, %lo(dtlb_load), %g2
230 stx %g2, [%sp + 2047 + 128 + 0x18] 230 stx %g2, [%sp + 2047 + 128 + 0x18]
231 sethi %hi(mmu_ihandle_cache), %g2 231 sethi %hi(prom_mmu_ihandle_cache), %g2
232 lduw [%g2 + %lo(mmu_ihandle_cache)], %g2 232 lduw [%g2 + %lo(prom_mmu_ihandle_cache)], %g2
233 stx %g2, [%sp + 2047 + 128 + 0x20] 233 stx %g2, [%sp + 2047 + 128 + 0x20]
234 sethi %hi(KERNBASE + 0x400000), %g2 234 sethi %hi(KERNBASE + 0x400000), %g2
235 stx %g2, [%sp + 2047 + 128 + 0x28] 235 stx %g2, [%sp + 2047 + 128 + 0x28]
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index ec47de494c1f..e0b9eebf21ce 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -505,108 +505,20 @@ static int read_obp_translations(void)
505 return n; 505 return n;
506} 506}
507 507
508static inline void early_spitfire_errata32(void)
509{
510 /* Spitfire Errata #32 workaround */
511 /* NOTE: Using plain zero for the context value is
512 * correct here, we are not using the Linux trap
513 * tables yet so we should not use the special
514 * UltraSPARC-III+ page size encodings yet.
515 */
516 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
517 "flush %%g6"
518 : /* No outputs */
519 : "r" (0), "r" (PRIMARY_CONTEXT),
520 "i" (ASI_DMMU));
521}
522
523static void lock_remap_func_page(unsigned long phys_page)
524{
525 unsigned long tte_data = (phys_page | pgprot_val(PAGE_KERNEL));
526
527 if (tlb_type == spitfire) {
528 /* Lock this into i/d tlb entry 59 */
529 __asm__ __volatile__(
530 "stxa %%g0, [%2] %3\n\t"
531 "stxa %0, [%1] %4\n\t"
532 "membar #Sync\n\t"
533 "flush %%g6\n\t"
534 "stxa %%g0, [%2] %5\n\t"
535 "stxa %0, [%1] %6\n\t"
536 "membar #Sync\n\t"
537 "flush %%g6"
538 : /* no outputs */
539 : "r" (tte_data), "r" (59 << 3), "r" (TLB_TAG_ACCESS),
540 "i" (ASI_DMMU), "i" (ASI_DTLB_DATA_ACCESS),
541 "i" (ASI_IMMU), "i" (ASI_ITLB_DATA_ACCESS)
542 : "memory");
543 } else {
544 /* Lock this into i/d tlb-0 entry 11 */
545 __asm__ __volatile__(
546 "stxa %%g0, [%2] %3\n\t"
547 "stxa %0, [%1] %4\n\t"
548 "membar #Sync\n\t"
549 "flush %%g6\n\t"
550 "stxa %%g0, [%2] %5\n\t"
551 "stxa %0, [%1] %6\n\t"
552 "membar #Sync\n\t"
553 "flush %%g6"
554 : /* no outputs */
555 : "r" (tte_data), "r" ((0 << 16) | (11 << 3)),
556 "r" (TLB_TAG_ACCESS), "i" (ASI_DMMU),
557 "i" (ASI_DTLB_DATA_ACCESS), "i" (ASI_IMMU),
558 "i" (ASI_ITLB_DATA_ACCESS)
559 : "memory");
560 }
561}
562
563static void remap_kernel(void) 508static void remap_kernel(void)
564{ 509{
565 unsigned long phys_page, tte_vaddr, tte_data; 510 unsigned long phys_page, tte_vaddr, tte_data;
566 void (*remap_func)(unsigned long, unsigned long, int);
567 int tlb_ent = sparc64_highest_locked_tlbent(); 511 int tlb_ent = sparc64_highest_locked_tlbent();
568 512
569 early_spitfire_errata32();
570
571 if (tlb_type == spitfire)
572 phys_page = spitfire_get_dtlb_data(tlb_ent);
573 else
574 phys_page = cheetah_get_ldtlb_data(tlb_ent);
575
576 phys_page &= _PAGE_PADDR;
577 phys_page += ((unsigned long)&prom_boot_page -
578 (unsigned long)KERNBASE);
579
580 lock_remap_func_page(phys_page);
581
582 tte_vaddr = (unsigned long) KERNBASE; 513 tte_vaddr = (unsigned long) KERNBASE;
583 514 phys_page = (prom_boot_mapping_phys_low >> 22UL) << 22UL;
584 early_spitfire_errata32(); 515 tte_data = (phys_page | (_PAGE_VALID | _PAGE_SZ4MB |
585 516 _PAGE_CP | _PAGE_CV | _PAGE_P |
586 if (tlb_type == spitfire) 517 _PAGE_L | _PAGE_W));
587 tte_data = spitfire_get_dtlb_data(tlb_ent);
588 else
589 tte_data = cheetah_get_ldtlb_data(tlb_ent);
590 518
591 kern_locked_tte_data = tte_data; 519 kern_locked_tte_data = tte_data;
592 520
593 remap_func = (void *) ((unsigned long) &prom_remap - 521 /* Now lock us into the TLBs via OBP. */
594 (unsigned long) &prom_boot_page);
595
596 early_spitfire_errata32();
597
598 phys_page = tte_data & _PAGE_PADDR;
599 remap_func(phys_page, KERNBASE, prom_get_mmu_ihandle());
600 if (bigkernel)
601 remap_func(phys_page + 0x400000,
602 KERNBASE + 0x400000,
603 prom_get_mmu_ihandle());
604
605 /* Flush out that temporary mapping. */
606 spitfire_flush_dtlb_nucleus_page(0x0);
607 spitfire_flush_itlb_nucleus_page(0x0);
608
609 /* Now lock us back into the TLBs via OBP. */
610 prom_dtlb_load(tlb_ent, tte_data, tte_vaddr); 522 prom_dtlb_load(tlb_ent, tte_data, tte_vaddr);
611 prom_itlb_load(tlb_ent, tte_data, tte_vaddr); 523 prom_itlb_load(tlb_ent, tte_data, tte_vaddr);
612 if (bigkernel) { 524 if (bigkernel) {
diff --git a/arch/sparc64/prom/Makefile b/arch/sparc64/prom/Makefile
index 8f2420d9e9e6..c7898a5ee456 100644
--- a/arch/sparc64/prom/Makefile
+++ b/arch/sparc64/prom/Makefile
@@ -7,4 +7,4 @@ EXTRA_AFLAGS := -ansi
7EXTRA_CFLAGS := -Werror 7EXTRA_CFLAGS := -Werror
8 8
9lib-y := bootstr.o devops.o init.o memory.o misc.o \ 9lib-y := bootstr.o devops.o init.o memory.o misc.o \
10 tree.o console.o printf.o p1275.o map.o cif.o 10 tree.o console.o printf.o p1275.o cif.o
diff --git a/arch/sparc64/prom/console.c b/arch/sparc64/prom/console.c
index 028a53fcb1ec..eae5db8dda56 100644
--- a/arch/sparc64/prom/console.c
+++ b/arch/sparc64/prom/console.c
@@ -67,7 +67,7 @@ prom_putchar(char c)
67} 67}
68 68
69void 69void
70prom_puts(char *s, int len) 70prom_puts(const char *s, int len)
71{ 71{
72 p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| 72 p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)|
73 P1275_INOUT(3,1), 73 P1275_INOUT(3,1),
diff --git a/arch/sparc64/prom/devops.c b/arch/sparc64/prom/devops.c
index 2c99b21b6981..4641839eb39a 100644
--- a/arch/sparc64/prom/devops.c
+++ b/arch/sparc64/prom/devops.c
@@ -16,7 +16,7 @@
16 * Returns 0 on failure. 16 * Returns 0 on failure.
17 */ 17 */
18int 18int
19prom_devopen(char *dstr) 19prom_devopen(const char *dstr)
20{ 20{
21 return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)| 21 return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
22 P1275_INOUT(1,1), 22 P1275_INOUT(1,1),
diff --git a/arch/sparc64/prom/init.c b/arch/sparc64/prom/init.c
index 817faae058cd..8b4b622d0909 100644
--- a/arch/sparc64/prom/init.c
+++ b/arch/sparc64/prom/init.c
@@ -46,7 +46,7 @@ void __init prom_init(void *cif_handler, void *cif_stack)
46 if((prom_root_node == 0) || (prom_root_node == -1)) 46 if((prom_root_node == 0) || (prom_root_node == -1))
47 prom_halt(); 47 prom_halt();
48 48
49 prom_chosen_node = prom_finddevice("/chosen"); 49 prom_chosen_node = prom_finddevice(prom_chosen_path);
50 if (!prom_chosen_node || prom_chosen_node == -1) 50 if (!prom_chosen_node || prom_chosen_node == -1)
51 prom_halt(); 51 prom_halt();
52 52
diff --git a/arch/sparc64/prom/map.S b/arch/sparc64/prom/map.S
deleted file mode 100644
index 21b3f9c99ea7..000000000000
--- a/arch/sparc64/prom/map.S
+++ /dev/null
@@ -1,72 +0,0 @@
1/* $Id: map.S,v 1.2 1999/11/19 05:53:02 davem Exp $
2 * map.S: Tricky coding required to fixup the kernel OBP maps
3 * properly.
4 *
5 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
6 */
7
8 .text
9 .align 8192
10 .globl prom_boot_page
11prom_boot_page:
12call_method:
13 .asciz "call-method"
14 .align 8
15map:
16 .asciz "map"
17 .align 8
18
19 /* When we are invoked, our caller has remapped us to
20 * page zero, therefore we must use PC relative addressing
21 * for everything after we begin performing the unmap/map
22 * calls.
23 */
24 .globl prom_remap
25prom_remap: /* %o0 = physpage, %o1 = virtpage, %o2 = mmu_ihandle */
26 rd %pc, %g1
27 srl %o2, 0, %o2 ! kill sign extension
28 sethi %hi(p1275buf), %g2
29 or %g2, %lo(p1275buf), %g2
30 ldx [%g2 + 0x10], %g3 ! prom_cif_stack
31 save %g3, -(192 + 128), %sp
32 ldx [%g2 + 0x08], %l0 ! prom_cif_handler
33 mov %g6, %i3
34 mov %g4, %i4
35 mov %g5, %i5
36 flushw
37
38 sethi %hi(prom_remap - call_method), %g7
39 or %g7, %lo(prom_remap - call_method), %g7
40 sub %g1, %g7, %l2 ! call-method string
41 sethi %hi(prom_remap - map), %g7
42 or %g7, %lo(prom_remap - map), %g7
43 sub %g1, %g7, %l4 ! map string
44
45 /* OK, map the 4MB region we really live at. */
46 stx %l2, [%sp + 2047 + 128 + 0x00] ! call-method
47 mov 7, %l5
48 stx %l5, [%sp + 2047 + 128 + 0x08] ! num_args
49 mov 1, %l5
50 stx %l5, [%sp + 2047 + 128 + 0x10] ! num_rets
51 stx %l4, [%sp + 2047 + 128 + 0x18] ! map
52 stx %i2, [%sp + 2047 + 128 + 0x20] ! mmu_ihandle
53 mov -1, %l5
54 stx %l5, [%sp + 2047 + 128 + 0x28] ! mode == default
55 sethi %hi(4 * 1024 * 1024), %l5
56 stx %l5, [%sp + 2047 + 128 + 0x30] ! size
57 stx %i1, [%sp + 2047 + 128 + 0x38] ! vaddr
58 stx %g0, [%sp + 2047 + 128 + 0x40] ! filler
59 stx %i0, [%sp + 2047 + 128 + 0x48] ! paddr
60 call %l0
61 add %sp, (2047 + 128), %o0 ! argument array
62
63 /* Restore hard-coded globals. */
64 mov %i3, %g6
65 mov %i4, %g4
66 mov %i5, %g5
67
68 /* Wheee.... we are done. */
69 ret
70 restore
71
72 .align 8192
diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c
index 19c44e97e9ee..9b895faf077b 100644
--- a/arch/sparc64/prom/misc.c
+++ b/arch/sparc64/prom/misc.c
@@ -17,14 +17,14 @@
17#include <asm/system.h> 17#include <asm/system.h>
18 18
19/* Reset and reboot the machine with the command 'bcommand'. */ 19/* Reset and reboot the machine with the command 'bcommand'. */
20void prom_reboot(char *bcommand) 20void prom_reboot(const char *bcommand)
21{ 21{
22 p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) | 22 p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) |
23 P1275_INOUT(1, 0), bcommand); 23 P1275_INOUT(1, 0), bcommand);
24} 24}
25 25
26/* Forth evaluate the expression contained in 'fstring'. */ 26/* Forth evaluate the expression contained in 'fstring'. */
27void prom_feval(char *fstring) 27void prom_feval(const char *fstring)
28{ 28{
29 if (!fstring || fstring[0] == 0) 29 if (!fstring || fstring[0] == 0)
30 return; 30 return;
@@ -148,21 +148,19 @@ void prom_set_trap_table(unsigned long tba)
148 p1275_cmd("SUNW,set-trap-table", P1275_INOUT(1, 0), tba); 148 p1275_cmd("SUNW,set-trap-table", P1275_INOUT(1, 0), tba);
149} 149}
150 150
151int mmu_ihandle_cache = 0;
152
153int prom_get_mmu_ihandle(void) 151int prom_get_mmu_ihandle(void)
154{ 152{
155 int node, ret; 153 int node, ret;
156 154
157 if (mmu_ihandle_cache != 0) 155 if (prom_mmu_ihandle_cache != 0)
158 return mmu_ihandle_cache; 156 return prom_mmu_ihandle_cache;
159 157
160 node = prom_finddevice("/chosen"); 158 node = prom_finddevice(prom_chosen_path);
161 ret = prom_getint(node, "mmu"); 159 ret = prom_getint(node, prom_mmu_name);
162 if (ret == -1 || ret == 0) 160 if (ret == -1 || ret == 0)
163 mmu_ihandle_cache = -1; 161 prom_mmu_ihandle_cache = -1;
164 else 162 else
165 mmu_ihandle_cache = ret; 163 prom_mmu_ihandle_cache = ret;
166 164
167 return ret; 165 return ret;
168} 166}
@@ -190,7 +188,7 @@ long prom_itlb_load(unsigned long index,
190 unsigned long tte_data, 188 unsigned long tte_data,
191 unsigned long vaddr) 189 unsigned long vaddr)
192{ 190{
193 return p1275_cmd("call-method", 191 return p1275_cmd(prom_callmethod_name,
194 (P1275_ARG(0, P1275_ARG_IN_STRING) | 192 (P1275_ARG(0, P1275_ARG_IN_STRING) |
195 P1275_ARG(2, P1275_ARG_IN_64B) | 193 P1275_ARG(2, P1275_ARG_IN_64B) |
196 P1275_ARG(3, P1275_ARG_IN_64B) | 194 P1275_ARG(3, P1275_ARG_IN_64B) |
@@ -207,7 +205,7 @@ long prom_dtlb_load(unsigned long index,
207 unsigned long tte_data, 205 unsigned long tte_data,
208 unsigned long vaddr) 206 unsigned long vaddr)
209{ 207{
210 return p1275_cmd("call-method", 208 return p1275_cmd(prom_callmethod_name,
211 (P1275_ARG(0, P1275_ARG_IN_STRING) | 209 (P1275_ARG(0, P1275_ARG_IN_STRING) |
212 P1275_ARG(2, P1275_ARG_IN_64B) | 210 P1275_ARG(2, P1275_ARG_IN_64B) |
213 P1275_ARG(3, P1275_ARG_IN_64B) | 211 P1275_ARG(3, P1275_ARG_IN_64B) |
@@ -223,13 +221,13 @@ long prom_dtlb_load(unsigned long index,
223int prom_map(int mode, unsigned long size, 221int prom_map(int mode, unsigned long size,
224 unsigned long vaddr, unsigned long paddr) 222 unsigned long vaddr, unsigned long paddr)
225{ 223{
226 int ret = p1275_cmd("call-method", 224 int ret = p1275_cmd(prom_callmethod_name,
227 (P1275_ARG(0, P1275_ARG_IN_STRING) | 225 (P1275_ARG(0, P1275_ARG_IN_STRING) |
228 P1275_ARG(3, P1275_ARG_IN_64B) | 226 P1275_ARG(3, P1275_ARG_IN_64B) |
229 P1275_ARG(4, P1275_ARG_IN_64B) | 227 P1275_ARG(4, P1275_ARG_IN_64B) |
230 P1275_ARG(6, P1275_ARG_IN_64B) | 228 P1275_ARG(6, P1275_ARG_IN_64B) |
231 P1275_INOUT(7, 1)), 229 P1275_INOUT(7, 1)),
232 "map", 230 prom_map_name,
233 prom_get_mmu_ihandle(), 231 prom_get_mmu_ihandle(),
234 mode, 232 mode,
235 size, 233 size,
@@ -244,12 +242,12 @@ int prom_map(int mode, unsigned long size,
244 242
245void prom_unmap(unsigned long size, unsigned long vaddr) 243void prom_unmap(unsigned long size, unsigned long vaddr)
246{ 244{
247 p1275_cmd("call-method", 245 p1275_cmd(prom_callmethod_name,
248 (P1275_ARG(0, P1275_ARG_IN_STRING) | 246 (P1275_ARG(0, P1275_ARG_IN_STRING) |
249 P1275_ARG(2, P1275_ARG_IN_64B) | 247 P1275_ARG(2, P1275_ARG_IN_64B) |
250 P1275_ARG(3, P1275_ARG_IN_64B) | 248 P1275_ARG(3, P1275_ARG_IN_64B) |
251 P1275_INOUT(4, 0)), 249 P1275_INOUT(4, 0)),
252 "unmap", 250 prom_unmap_name,
253 prom_get_mmu_ihandle(), 251 prom_get_mmu_ihandle(),
254 size, 252 size,
255 vaddr); 253 vaddr);
@@ -258,7 +256,7 @@ void prom_unmap(unsigned long size, unsigned long vaddr)
258/* Set aside physical memory which is not touched or modified 256/* Set aside physical memory which is not touched or modified
259 * across soft resets. 257 * across soft resets.
260 */ 258 */
261unsigned long prom_retain(char *name, 259unsigned long prom_retain(const char *name,
262 unsigned long pa_low, unsigned long pa_high, 260 unsigned long pa_low, unsigned long pa_high,
263 long size, long align) 261 long size, long align)
264{ 262{
@@ -290,7 +288,7 @@ int prom_getunumber(int syndrome_code,
290 unsigned long phys_addr, 288 unsigned long phys_addr,
291 char *buf, int buflen) 289 char *buf, int buflen)
292{ 290{
293 return p1275_cmd("call-method", 291 return p1275_cmd(prom_callmethod_name,
294 (P1275_ARG(0, P1275_ARG_IN_STRING) | 292 (P1275_ARG(0, P1275_ARG_IN_STRING) |
295 P1275_ARG(3, P1275_ARG_OUT_BUF) | 293 P1275_ARG(3, P1275_ARG_OUT_BUF) |
296 P1275_ARG(6, P1275_ARG_IN_64B) | 294 P1275_ARG(6, P1275_ARG_IN_64B) |
diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c
index 59fe38bba39e..a5a7c5712028 100644
--- a/arch/sparc64/prom/p1275.c
+++ b/arch/sparc64/prom/p1275.c
@@ -46,7 +46,7 @@ static inline unsigned long spitfire_get_primary_context(void)
46 */ 46 */
47DEFINE_SPINLOCK(prom_entry_lock); 47DEFINE_SPINLOCK(prom_entry_lock);
48 48
49long p1275_cmd (char *service, long fmt, ...) 49long p1275_cmd(const char *service, long fmt, ...)
50{ 50{
51 char *p, *q; 51 char *p, *q;
52 unsigned long flags; 52 unsigned long flags;
diff --git a/arch/sparc64/prom/printf.c b/arch/sparc64/prom/printf.c
index a6df82cafa0d..660943ee4c2a 100644
--- a/arch/sparc64/prom/printf.c
+++ b/arch/sparc64/prom/printf.c
@@ -34,7 +34,7 @@ prom_write(const char *buf, unsigned int n)
34} 34}
35 35
36void 36void
37prom_printf(char *fmt, ...) 37prom_printf(const char *fmt, ...)
38{ 38{
39 va_list args; 39 va_list args;
40 int i; 40 int i;
diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c
index ccf73258ebf7..b1ff9e87dcc6 100644
--- a/arch/sparc64/prom/tree.c
+++ b/arch/sparc64/prom/tree.c
@@ -69,7 +69,7 @@ prom_getsibling(int node)
69 * Return -1 on error. 69 * Return -1 on error.
70 */ 70 */
71__inline__ int 71__inline__ int
72prom_getproplen(int node, char *prop) 72prom_getproplen(int node, const char *prop)
73{ 73{
74 if((!node) || (!prop)) return -1; 74 if((!node) || (!prop)) return -1;
75 return p1275_cmd ("getproplen", 75 return p1275_cmd ("getproplen",
@@ -83,20 +83,20 @@ prom_getproplen(int node, char *prop)
83 * was successful the length will be returned, else -1 is returned. 83 * was successful the length will be returned, else -1 is returned.
84 */ 84 */
85__inline__ int 85__inline__ int
86prom_getproperty(int node, char *prop, char *buffer, int bufsize) 86prom_getproperty(int node, const char *prop, char *buffer, int bufsize)
87{ 87{
88 int plen; 88 int plen;
89 89
90 plen = prom_getproplen(node, prop); 90 plen = prom_getproplen(node, prop);
91 if((plen > bufsize) || (plen == 0) || (plen == -1)) 91 if ((plen > bufsize) || (plen == 0) || (plen == -1)) {
92 return -1; 92 return -1;
93 else { 93 } else {
94 /* Ok, things seem all right. */ 94 /* Ok, things seem all right. */
95 return p1275_cmd ("getprop", 95 return p1275_cmd(prom_getprop_name,
96 P1275_ARG(1,P1275_ARG_IN_STRING)| 96 P1275_ARG(1,P1275_ARG_IN_STRING)|
97 P1275_ARG(2,P1275_ARG_OUT_BUF)| 97 P1275_ARG(2,P1275_ARG_OUT_BUF)|
98 P1275_INOUT(4, 1), 98 P1275_INOUT(4, 1),
99 node, prop, buffer, P1275_SIZE(plen)); 99 node, prop, buffer, P1275_SIZE(plen));
100 } 100 }
101} 101}
102 102
@@ -104,7 +104,7 @@ prom_getproperty(int node, char *prop, char *buffer, int bufsize)
104 * on failure. 104 * on failure.
105 */ 105 */
106__inline__ int 106__inline__ int
107prom_getint(int node, char *prop) 107prom_getint(int node, const char *prop)
108{ 108{
109 int intprop; 109 int intprop;
110 110
@@ -119,7 +119,7 @@ prom_getint(int node, char *prop)
119 */ 119 */
120 120
121int 121int
122prom_getintdefault(int node, char *property, int deflt) 122prom_getintdefault(int node, const char *property, int deflt)
123{ 123{
124 int retval; 124 int retval;
125 125
@@ -131,7 +131,7 @@ prom_getintdefault(int node, char *property, int deflt)
131 131
132/* Acquire a boolean property, 1=TRUE 0=FALSE. */ 132/* Acquire a boolean property, 1=TRUE 0=FALSE. */
133int 133int
134prom_getbool(int node, char *prop) 134prom_getbool(int node, const char *prop)
135{ 135{
136 int retval; 136 int retval;
137 137
@@ -145,7 +145,7 @@ prom_getbool(int node, char *prop)
145 * buffer. 145 * buffer.
146 */ 146 */
147void 147void
148prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) 148prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
149{ 149{
150 int len; 150 int len;
151 151
@@ -160,7 +160,7 @@ prom_getstring(int node, char *prop, char *user_buf, int ubuf_size)
160 * YES = 1 NO = 0 160 * YES = 1 NO = 0
161 */ 161 */
162int 162int
163prom_nodematch(int node, char *name) 163prom_nodematch(int node, const char *name)
164{ 164{
165 char namebuf[128]; 165 char namebuf[128];
166 prom_getproperty(node, "name", namebuf, sizeof(namebuf)); 166 prom_getproperty(node, "name", namebuf, sizeof(namebuf));
@@ -172,7 +172,7 @@ prom_nodematch(int node, char *name)
172 * 'nodename'. Return node if successful, zero if not. 172 * 'nodename'. Return node if successful, zero if not.
173 */ 173 */
174int 174int
175prom_searchsiblings(int node_start, char *nodename) 175prom_searchsiblings(int node_start, const char *nodename)
176{ 176{
177 177
178 int thisnode, error; 178 int thisnode, error;
@@ -294,7 +294,7 @@ prom_firstprop(int node, char *buffer)
294 * property types for this node. 294 * property types for this node.
295 */ 295 */
296__inline__ char * 296__inline__ char *
297prom_nextprop(int node, char *oprop, char *buffer) 297prom_nextprop(int node, const char *oprop, char *buffer)
298{ 298{
299 char buf[32]; 299 char buf[32];
300 300
@@ -314,15 +314,17 @@ prom_nextprop(int node, char *oprop, char *buffer)
314} 314}
315 315
316int 316int
317prom_finddevice(char *name) 317prom_finddevice(const char *name)
318{ 318{
319 if(!name) return 0; 319 if (!name)
320 return p1275_cmd ("finddevice", P1275_ARG(0,P1275_ARG_IN_STRING)| 320 return 0;
321 P1275_INOUT(1, 1), 321 return p1275_cmd(prom_finddev_name,
322 name); 322 P1275_ARG(0,P1275_ARG_IN_STRING)|
323 P1275_INOUT(1, 1),
324 name);
323} 325}
324 326
325int prom_node_has_property(int node, char *prop) 327int prom_node_has_property(int node, const char *prop)
326{ 328{
327 char buf [32]; 329 char buf [32];
328 330
@@ -339,7 +341,7 @@ int prom_node_has_property(int node, char *prop)
339 * of 'size' bytes. Return the number of bytes the prom accepted. 341 * of 'size' bytes. Return the number of bytes the prom accepted.
340 */ 342 */
341int 343int
342prom_setprop(int node, char *pname, char *value, int size) 344prom_setprop(int node, const char *pname, char *value, int size)
343{ 345{
344 if(size == 0) return 0; 346 if(size == 0) return 0;
345 if((pname == 0) || (value == 0)) return 0; 347 if((pname == 0) || (value == 0)) return 0;
@@ -364,7 +366,7 @@ prom_inst2pkg(int inst)
364 * FIXME: Should work for v0 as well 366 * FIXME: Should work for v0 as well
365 */ 367 */
366int 368int
367prom_pathtoinode(char *path) 369prom_pathtoinode(const char *path)
368{ 370{
369 int node, inst; 371 int node, inst;
370 372
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h
index a432d9e7daaa..c628189b6c89 100644
--- a/include/asm-sparc64/oplib.h
+++ b/include/asm-sparc64/oplib.h
@@ -38,6 +38,20 @@ extern int prom_stdin, prom_stdout;
38 */ 38 */
39extern int prom_chosen_node; 39extern int prom_chosen_node;
40 40
41/* Helper values and strings in arch/sparc64/kernel/head.S */
42extern const char prom_finddev_name[];
43extern const char prom_chosen_path[];
44extern const char prom_getprop_name[];
45extern const char prom_mmu_name[];
46extern const char prom_callmethod_name[];
47extern const char prom_translate_name[];
48extern const char prom_map_name[];
49extern const char prom_unmap_name[];
50extern int prom_mmu_ihandle_cache;
51extern unsigned int prom_boot_mapped_pc;
52extern unsigned int prom_boot_mapping_mode;
53extern unsigned long prom_boot_mapping_phys_high, prom_boot_mapping_phys_low;
54
41struct linux_mlist_p1275 { 55struct linux_mlist_p1275 {
42 struct linux_mlist_p1275 *theres_more; 56 struct linux_mlist_p1275 *theres_more;
43 unsigned long start_adr; 57 unsigned long start_adr;
@@ -68,7 +82,7 @@ extern char *prom_getbootargs(void);
68 * of the string is different on V0 vs. V2->higher proms. The caller must 82 * of the string is different on V0 vs. V2->higher proms. The caller must
69 * know what he/she is doing! Returns the device descriptor, an int. 83 * know what he/she is doing! Returns the device descriptor, an int.
70 */ 84 */
71extern int prom_devopen(char *device_string); 85extern int prom_devopen(const char *device_string);
72 86
73/* Close a previously opened device described by the passed integer 87/* Close a previously opened device described by the passed integer
74 * descriptor. 88 * descriptor.
@@ -98,10 +112,10 @@ extern struct linux_mem_p1275 *prom_meminfo(void);
98/* Miscellaneous routines, don't really fit in any category per se. */ 112/* Miscellaneous routines, don't really fit in any category per se. */
99 113
100/* Reboot the machine with the command line passed. */ 114/* Reboot the machine with the command line passed. */
101extern void prom_reboot(char *boot_command); 115extern void prom_reboot(const char *boot_command);
102 116
103/* Evaluate the forth string passed. */ 117/* Evaluate the forth string passed. */
104extern void prom_feval(char *forth_string); 118extern void prom_feval(const char *forth_string);
105 119
106/* Enter the prom, with possibility of continuation with the 'go' 120/* Enter the prom, with possibility of continuation with the 'go'
107 * command in newer proms. 121 * command in newer proms.
@@ -154,7 +168,7 @@ extern char prom_getchar(void);
154extern void prom_putchar(char character); 168extern void prom_putchar(char character);
155 169
156/* Prom's internal routines, don't use in kernel/boot code. */ 170/* Prom's internal routines, don't use in kernel/boot code. */
157extern void prom_printf(char *fmt, ...); 171extern void prom_printf(const char *fmt, ...);
158extern void prom_write(const char *buf, unsigned int len); 172extern void prom_write(const char *buf, unsigned int len);
159 173
160/* Query for input device type */ 174/* Query for input device type */
@@ -215,7 +229,7 @@ extern int prom_getunumber(int syndrome_code,
215 char *buf, int buflen); 229 char *buf, int buflen);
216 230
217/* Retain physical memory to the caller across soft resets. */ 231/* Retain physical memory to the caller across soft resets. */
218extern unsigned long prom_retain(char *name, 232extern unsigned long prom_retain(const char *name,
219 unsigned long pa_low, unsigned long pa_high, 233 unsigned long pa_low, unsigned long pa_high,
220 long size, long align); 234 long size, long align);
221 235
@@ -269,28 +283,28 @@ extern int prom_getsibling(int node);
269/* Get the length, at the passed node, of the given property type. 283/* Get the length, at the passed node, of the given property type.
270 * Returns -1 on error (ie. no such property at this node). 284 * Returns -1 on error (ie. no such property at this node).
271 */ 285 */
272extern int prom_getproplen(int thisnode, char *property); 286extern int prom_getproplen(int thisnode, const char *property);
273 287
274/* Fetch the requested property using the given buffer. Returns 288/* Fetch the requested property using the given buffer. Returns
275 * the number of bytes the prom put into your buffer or -1 on error. 289 * the number of bytes the prom put into your buffer or -1 on error.
276 */ 290 */
277extern int prom_getproperty(int thisnode, char *property, 291extern int prom_getproperty(int thisnode, const char *property,
278 char *prop_buffer, int propbuf_size); 292 char *prop_buffer, int propbuf_size);
279 293
280/* Acquire an integer property. */ 294/* Acquire an integer property. */
281extern int prom_getint(int node, char *property); 295extern int prom_getint(int node, const char *property);
282 296
283/* Acquire an integer property, with a default value. */ 297/* Acquire an integer property, with a default value. */
284extern int prom_getintdefault(int node, char *property, int defval); 298extern int prom_getintdefault(int node, const char *property, int defval);
285 299
286/* Acquire a boolean property, 0=FALSE 1=TRUE. */ 300/* Acquire a boolean property, 0=FALSE 1=TRUE. */
287extern int prom_getbool(int node, char *prop); 301extern int prom_getbool(int node, const char *prop);
288 302
289/* Acquire a string property, null string on error. */ 303/* Acquire a string property, null string on error. */
290extern void prom_getstring(int node, char *prop, char *buf, int bufsize); 304extern void prom_getstring(int node, const char *prop, char *buf, int bufsize);
291 305
292/* Does the passed node have the given "name"? YES=1 NO=0 */ 306/* Does the passed node have the given "name"? YES=1 NO=0 */
293extern int prom_nodematch(int thisnode, char *name); 307extern int prom_nodematch(int thisnode, const char *name);
294 308
295/* Puts in buffer a prom name in the form name@x,y or name (x for which_io 309/* Puts in buffer a prom name in the form name@x,y or name (x for which_io
296 * and y for first regs phys address 310 * and y for first regs phys address
@@ -300,7 +314,7 @@ extern int prom_getname(int node, char *buf, int buflen);
300/* Search all siblings starting at the passed node for "name" matching 314/* Search all siblings starting at the passed node for "name" matching
301 * the given string. Returns the node on success, zero on failure. 315 * the given string. Returns the node on success, zero on failure.
302 */ 316 */
303extern int prom_searchsiblings(int node_start, char *name); 317extern int prom_searchsiblings(int node_start, const char *name);
304 318
305/* Return the first property type, as a string, for the given node. 319/* Return the first property type, as a string, for the given node.
306 * Returns a null string on error. Buffer should be at least 32B long. 320 * Returns a null string on error. Buffer should be at least 32B long.
@@ -310,21 +324,21 @@ extern char *prom_firstprop(int node, char *buffer);
310/* Returns the next property after the passed property for the given 324/* Returns the next property after the passed property for the given
311 * node. Returns null string on failure. Buffer should be at least 32B long. 325 * node. Returns null string on failure. Buffer should be at least 32B long.
312 */ 326 */
313extern char *prom_nextprop(int node, char *prev_property, char *buffer); 327extern char *prom_nextprop(int node, const char *prev_property, char *buffer);
314 328
315/* Returns 1 if the specified node has given property. */ 329/* Returns 1 if the specified node has given property. */
316extern int prom_node_has_property(int node, char *property); 330extern int prom_node_has_property(int node, const char *property);
317 331
318/* Returns phandle of the path specified */ 332/* Returns phandle of the path specified */
319extern int prom_finddevice(char *name); 333extern int prom_finddevice(const char *name);
320 334
321/* Set the indicated property at the given node with the passed value. 335/* Set the indicated property at the given node with the passed value.
322 * Returns the number of bytes of your value that the prom took. 336 * Returns the number of bytes of your value that the prom took.
323 */ 337 */
324extern int prom_setprop(int node, char *prop_name, char *prop_value, 338extern int prom_setprop(int node, const char *prop_name, char *prop_value,
325 int value_size); 339 int value_size);
326 340
327extern int prom_pathtoinode(char *path); 341extern int prom_pathtoinode(const char *path);
328extern int prom_inst2pkg(int); 342extern int prom_inst2pkg(int);
329 343
330/* CPU probing helpers. */ 344/* CPU probing helpers. */
@@ -334,7 +348,7 @@ int cpu_find_by_mid(int mid, int *prom_node);
334/* Client interface level routines. */ 348/* Client interface level routines. */
335extern void prom_set_trap_table(unsigned long tba); 349extern void prom_set_trap_table(unsigned long tba);
336 350
337extern long p1275_cmd (char *, long, ...); 351extern long p1275_cmd(const char *, long, ...);
338 352
339 353
340#if 0 354#if 0
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-21 07:45:59 -0500