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32 #define __APPLE_API_PRIVATE
36 #include <mach_kgdb.h>
38 #include <ppc/proc_reg.h>
39 #include <ppc/spec_reg.h>
40 #include <machine/cpu_capabilities.h>
41 #include <mach/ppc/vm_param.h>
45 ; Definitions of the processor type table format, which drives this code.
46 ; The table ("processor_types") is assembled in at the end of this file.
66 ; We use cr2 for flags:
73 * Interrupt and bootup stack for initial processor
79 * All CPUs start here.
81 * This code is called from SecondaryLoader
83 * Various arguments are passed via a table:
84 * R3 = pointer to other startup parameters
88 ENTRY(resetPOR,TAG_NO_FRAME_USED)
91 stw r12,0xF0(0) ; Make sure the special flag is clear
92 mtmsrd r12 ; Make sure we are in 32-bit mode
93 isync ; Really make sure
94 lwz r3,0xF4(0) ; Get the boot_args pointer
95 b startJoin ; Join up...
98 ENTRY(_start_cpu,TAG_NO_FRAME_USED)
99 crclr bootCPU ; Set non-boot processor
100 crclr firstInit ; Set not first time init
101 lwz r30,ppe_paddr(r3) ; Set current per_proc
102 lwz r28,ppe_paddr+4(r3) ; Set current per_proc
103 rlwinm r30,r30,0,1,0 ; Copy low 32 bits to top 32
104 rlwimi r30,r28,0,0,31 ; Insert low part of 64-bit address in bottom 32 bits
105 subi r29,r3,(ACT_PER_PROC-ppe_vaddr) ; Substract mact.PerProc offset
106 mr r3,r30 ; Set current per_proc
109 ; Note that we are just trying to get close. The real TB sync will take
110 ; place later. The value we are loading is set in two places. For the
111 ; main processor, it will be the TB at the last interrupt before we went
112 ; to sleep. For the others, it will be the time just before the main
113 ; processor woke us up.
116 lwz r15,ruptStamp(r3) ; Get the timebase from the other processor
117 li r17,0 ; Clear this out
118 lwz r16,ruptStamp+4(r3) ; Get the timebase from the other processor
119 mtspr tbl,r17 ; Clear bottom so we do not tick
120 mtspr tbu,r15 ; Set top
121 mtspr tbl,r16 ; Then bottom again
124 ENTRY(_start,TAG_NO_FRAME_USED)
127 mflr r2 ; Save the return address
128 lis r28,hi16(EXT(PerProcTable)) ; Set PerProcTable
129 lis r30,hi16(EXT(BootProcInfo)) ; Set current per_proc
130 ori r28,r28,lo16(EXT(PerProcTable)) ; Set PerProcTable
131 ori r30,r30,lo16(EXT(BootProcInfo)) ; Set current per_proc
132 stw r30,ppe_paddr+4(r28) ; Set per_proc_entry
133 stw r30,ppe_vaddr(r28) ; Set per_proc_entry
134 subi r29,r28,(ACT_PER_PROC-ppe_vaddr) ; Substract mact.PerProc offset
135 crset bootCPU ; Set boot processor
137 lwz r17,pfAvailable(r30) ; Get the available bits
138 rlwinm. r0,r17,0,pfValidb,pfValidb ; Have we initialized the feature flags yet?
139 crmove firstInit,cr0_eq ; Set if we are doing first time init
140 bne allstart ; Yeah, we must be waking up from sleep...
143 ; Here is where we do any one time general low-level initialization
145 lis r20,HIGH_ADDR(fwdisplock) ; Get address of the firmware display lock
146 li r19,0 ; Zorch a register
147 ori r20,r20,LOW_ADDR(fwdisplock) ; Get address of the firmware display lock
148 stw r19,0(r20) ; Make sure the lock is free
151 mr r31,r3 ; Save away arguments
153 crand firstBoot,bootCPU,firstInit ; Indicate if we are on the initial first processor startup
155 mtsprg 0,r30 ; Set per_proc paddr
156 mtsprg 1,r29 ; Set spr1
158 li r9,0 ; Clear out a register
162 li r7,MSR_VM_OFF ; Get real mode MSR
163 mtmsr r7 ; Set the real mode SRR
166 lis r26,hi16(processor_types) ; Point to processor table
167 ori r26,r26,lo16(processor_types) ; Other half
168 mfpvr r10 ; Get the PVR
170 nextPVR: lwz r28,ptFilter(r26) ; Get the filter
171 lwz r27,ptVersion(r26) ; Get the version and revision codes
172 and r28,r10,r28 ; Throw away dont care bits
173 cmplw r27,r28 ; Is this the right set?
174 beq donePVR ; We have the right one...
175 addi r26,r26,ptSize ; Point to the next type
176 b nextPVR ; Check it out...
178 donePVR: lwz r20,ptInitRout(r26) ; Grab the special init routine
179 mtlr r20 ; Setup to call the init
181 bf firstBoot,notFirst ; Not first boot, go...
184 ; The following code just does a general initialization of the features just
185 ; after the initial first-time boot. This is not done after waking up or on
186 ; any "secondary" processor. Just after the boot-processor init, we copy the
187 ; features to any possible per_proc.
189 ; We are just setting defaults. The specific initialization code will modify these
192 lis r18,hi16(EXT(_cpu_capabilities)) ; Get the address of _cpu_capabilities
193 ori r18,r18,lo16(EXT(_cpu_capabilities))
194 lwz r17,ptCPUCap(r26) ; Get the default cpu capabilities
195 stw r17, 0(r18) ; Save the default value in _cpu_capabilities
197 lwz r17,ptFeatures(r26) ; Pick up the features
199 lwz r18,ptRptdProc(r26) ; Get the reported processor
200 sth r18,pfrptdProc(r30) ; Set the reported processor
202 lwz r13,ptPwrModes(r26) ; Get the supported power modes
203 stw r13,pfPowerModes(r30) ; Set the supported power modes
205 lwz r13,ptLineSize(r26) ; Get the cache line size
206 sth r13,pflineSize(r30) ; Save it
207 lwz r13,ptl1iSize(r26) ; Get icache size
208 stw r13,pfl1iSize(r30) ; Save it
209 lwz r13,ptl1dSize(r26) ; Get dcache size
210 stw r13,pfl1dSize(r30) ; Save it
211 lwz r13,ptPTEG(r26) ; Get PTEG size address
212 stw r13,pfPTEG(r30) ; Save it
213 lwz r13,ptMaxVAddr(r26) ; Get max virtual address
214 stw r13,pfMaxVAddr(r30) ; Save it
215 lwz r13,ptMaxPAddr(r26) ; Get max physical address
216 stw r13,pfMaxPAddr(r30) ; Save it
219 ; Go through the patch table, changing performance sensitive kernel routines based on the
220 ; processor type or other things.
222 lis r11,hi16(EXT(patch_table))
223 ori r11,r11,lo16(EXT(patch_table))
224 lwz r19,ptPatch(r26) ; Get ptPatch field
226 lwz r16,patchType(r11) ; Load the patch type
227 lwz r15,patchValue(r11) ; Load the patch value
228 cmplwi cr1,r16,PATCH_FEATURE ; Is it a patch feature entry
229 cmplwi cr7,r16,PATCH_END_OF_TABLE ; end of table?
230 and. r14,r15,r19 ; Is it set in the patch feature
231 crandc cr0_eq,cr1_eq,cr0_eq ; Do we have a match
232 beq cr7,doOurInit ; end of table, Go do processor specific initialization
233 beq patch_apply ; proc feature matches, so patch memory
234 cmplwi cr1,r16,PATCH_PROCESSOR ; Is it a patch processor entry
235 cmplw cr0,r15,r18 ; Check matching processor
236 crand cr0_eq,cr1_eq,cr0_eq ; Do we have a match
237 bne patch_skip ; No, skip patch memory
239 lwz r13,patchAddr(r11) ; Load the address to patch
240 lwz r14,patchData(r11) ; Load the patch data
241 stw r14,0(r13) ; Patch the location
242 dcbf 0,r13 ; Flush the old one
243 sync ; Make sure we see it all
244 icbi 0,r13 ; Flush the i-cache
246 sync ; Hang out some more...
248 addi r11,r11,peSize ; Point to the next patch entry
249 b patch_loop ; handle next
252 ; Additional processors join here after skipping above code.
254 notFirst: lwz r17,pfAvailable(r30) ; Get our features
256 doOurInit: mr. r20,r20 ; See if initialization routine
257 crand firstBoot,bootCPU,firstInit ; Indicate if we are on the initial first processor startup
258 bnelrl ; Do the initialization
260 ori r17,r17,lo16(pfValid) ; Set the valid bit
261 stw r17,pfAvailable(r30) ; Set the available features
263 rlwinm. r0,r17,0,pf64Bitb,pf64Bitb ; Is this a 64-bit machine?
264 mtsprg 2,r17 ; Remember the feature flags
266 bne++ start64 ; Skip following if 64-bit...
268 mfspr r6,hid0 ; Get the HID0
269 rlwinm r6,r6,0,sleep+1,doze-1 ; Remove any vestiges of sleep
270 mtspr hid0,r6 ; Set the insominac HID0
273 ; Clear the BAT registers
275 li r9,0 ; Clear out a register
278 mtdbatu 0,r9 ; Invalidate maps
279 mtdbatl 0,r9 ; Invalidate maps
280 mtdbatu 1,r9 ; Invalidate maps
281 mtdbatl 1,r9 ; Invalidate maps
282 mtdbatu 2,r9 ; Invalidate maps
283 mtdbatl 2,r9 ; Invalidate maps
284 mtdbatu 3,r9 ; Invalidate maps
285 mtdbatl 3,r9 ; Invalidate maps
288 mtibatu 0,r9 ; Invalidate maps
289 mtibatl 0,r9 ; Invalidate maps
290 mtibatu 1,r9 ; Invalidate maps
291 mtibatl 1,r9 ; Invalidate maps
292 mtibatu 2,r9 ; Invalidate maps
293 mtibatl 2,r9 ; Invalidate maps
294 mtibatu 3,r9 ; Invalidate maps
295 mtibatl 3,r9 ; Invalidate maps
298 b startcommon ; Go join up the common start routine
300 start64: lis r5,hi16(startcommon) ; Get top of address of continue point
301 mfspr r6,hid0 ; Get the HID0
302 ori r5,r5,lo16(startcommon) ; Get low of address of continue point
303 lis r9,hi16(MASK(MSR_HV)|MASK(MSR_SF)) ; ?
304 lis r20,hi16(dozem|napm|sleepm) ; Get mask of power saving features
305 li r7,MSR_VM_OFF ; Get real mode MSR
306 sldi r9,r9,32 ; Slide into position
307 sldi r20,r20,32 ; Slide power stuff into position
308 or r9,r9,r7 ; Form initial MSR
309 andc r6,r6,r20 ; Remove any vestiges of sleep
311 mtspr hid0,r6 ; Set the insominac HID0
312 mfspr r6,hid0 ; Get it
313 mfspr r6,hid0 ; Get it
314 mfspr r6,hid0 ; Get it
315 mfspr r6,hid0 ; Get it
316 mfspr r6,hid0 ; Get it
317 mfspr r6,hid0 ; Get it
319 mtsrr0 r5 ; Set the continue point
320 mtsrr1 r9 ; Set our normal disabled MSR
326 rlwinm. r0,r17,0,pfFloatb,pfFloatb ; See if there is floating point
327 beq- noFloat ; Nope, this is a really stupid machine...
329 li r0,MSR_VM_OFF|MASK(MSR_FP) ; Enable for floating point
330 mtmsr r0 /* Set the standard MSR values */
333 lis r5,HIGH_ADDR(EXT(FloatInit)) /* Get top of floating point init value */
334 ori r5,r5,LOW_ADDR(EXT(FloatInit)) /* Slam bottom */
335 lfd f0,0(r5) /* Initialize FP0 */
336 fmr f1,f0 /* Ours in not */
337 fmr f2,f0 /* to wonder why, */
338 fmr f3,f0 /* ours is but to */
339 fmr f4,f0 /* do or die! */
368 li r0, MSR_VM_OFF ; Turn off floating point
372 noFloat: rlwinm. r0,r17,0,pfAltivecb,pfAltivecb ; See if there is Altivec
373 beq- noVector ; Nope...
375 li r0,0 ; Clear out a register
377 lis r7,hi16(MSR_VEC_ON) ; Get real mode MSR + Altivec
378 ori r7,r7,lo16(MSR_VM_OFF) ; Get real mode MSR + Altivec
379 mtmsr r7 ; Set the real mode SRR */
380 isync ; Make sure it has happened
382 lis r5,hi16(EXT(QNaNbarbarian)) ; Altivec initializer
383 ori r5,r5,lo16(EXT(QNaNbarbarian)) ; Altivec initializer
385 mtspr vrsave,r0 ; Set that no VRs are used yet */
387 vspltish v1,1 ; Turn on the non-Java bit and saturate
388 vspltisw v0,1 ; Turn on the saturate bit
389 vxor v1,v1,v0 ; Turn off saturate and leave non-Java set
390 lvx v0,br0,r5 ; Initialize VR0
391 mtvscr v1 ; Clear the vector status register
392 vor v2,v0,v0 ; Copy into the next register
393 vor v1,v0,v0 ; Copy into the next register
394 vor v3,v0,v0 ; Copy into the next register
395 vor v4,v0,v0 ; Copy into the next register
396 vor v5,v0,v0 ; Copy into the next register
397 vor v6,v0,v0 ; Copy into the next register
398 vor v7,v0,v0 ; Copy into the next register
399 vor v8,v0,v0 ; Copy into the next register
400 vor v9,v0,v0 ; Copy into the next register
401 vor v10,v0,v0 ; Copy into the next register
402 vor v11,v0,v0 ; Copy into the next register
403 vor v12,v0,v0 ; Copy into the next register
404 vor v13,v0,v0 ; Copy into the next register
405 vor v14,v0,v0 ; Copy into the next register
406 vor v15,v0,v0 ; Copy into the next register
407 vor v16,v0,v0 ; Copy into the next register
408 vor v17,v0,v0 ; Copy into the next register
409 vor v18,v0,v0 ; Copy into the next register
410 vor v19,v0,v0 ; Copy into the next register
411 vor v20,v0,v0 ; Copy into the next register
412 vor v21,v0,v0 ; Copy into the next register
413 vor v22,v0,v0 ; Copy into the next register
414 vor v23,v0,v0 ; Copy into the next register
415 vor v24,v0,v0 ; Copy into the next register
416 vor v25,v0,v0 ; Copy into the next register
417 vor v26,v0,v0 ; Copy into the next register
418 vor v27,v0,v0 ; Copy into the next register
419 vor v28,v0,v0 ; Copy into the next register
420 vor v29,v0,v0 ; Copy into the next register
421 vor v30,v0,v0 ; Copy into the next register
422 vor v31,v0,v0 ; Copy into the next register
424 li r0, MSR_VM_OFF ; Turn off vectors
429 bl EXT(cacheInit) ; Initializes all caches (including the TLB)
433 mfsprg r30,0 ; Phys per proc
434 lwz r29,PP_HIBERNATE(r30)
436 beq noHashTableInit ; Skip following if not waking from from hibernate
437 bl EXT(hw_clear_maps) ; Mark all maps as absent from hash table
438 bl EXT(hw_hash_init) ; Clear hash table
439 bl EXT(save_snapshot_restore) ; Reset save area chains
441 bl EXT(hw_setup_trans) ; Set up hardware needed for translation
442 bl EXT(hw_start_trans) ; Start translating
445 rlwinm. r0,r17,0,pf64Bitb,pf64Bitb ; Is this a 64-bit machine?
446 beq++ isnot64 ; Skip following if not 64-bit...
448 mfmsr r29 ; Get the MSR
449 rldicl r29,r29,0,MSR_SF_BIT+1 ; turn 64-bit mode off
453 isnot64: bf bootCPU,callcpu
455 lis r29,HIGH_ADDR(EXT(intstack)) ; move onto interrupt stack
456 ori r29,r29,LOW_ADDR(EXT(intstack))
457 addi r29,r29,INTSTACK_SIZE-FM_SIZE
460 stw r28,FM_BACKPTR(r29) ; store a null frame backpointer
463 mr r3,r31 ; Restore any arguments we may have trashed
465 ; Note that we exit from here with translation still off
467 bl EXT(ppc_init) ; Jump into boot init code
471 mfsprg r31,1 ; Fake activation pointer
472 lwz r31,ACT_PER_PROC(r31) ; Load per_proc
473 lwz r29,PP_INTSTACK_TOP_SS(r31) ; move onto interrupt stack
476 stw r28,FM_BACKPTR(r29) ; store a null frame backpointer
478 mr r1,r29 ; move onto new stack
479 mr r3,r31 ; Restore any arguments we may have trashed
481 ; Note that we exit from here with translation on
483 bl EXT(ppc_init_cpu) ; Jump into cpu init code
484 BREAKPOINT_TRAP ; Should never return
487 ; Specific processor initialization routines
493 bf firstBoot, init750nb ; No init for wakeup....
495 mfspr r13,l2cr ; Get the L2CR
496 rlwinm. r0,r13,0,l2e,l2e ; Any L2?
497 bne+ i750hl2 ; Yes...
498 rlwinm r17,r17,0,pfL2b+1,pfL2b-1 ; No L2, turn off feature
501 lis r14,hi16(256*1024) ; Base L2 size
502 addis r15,r13,0x3000 ; Hah... Figure this one out...
503 rlwinm r15,r15,4,30,31 ; Isolate
504 rlwinm. r8,r13,0,l2siz,l2sizf ; Was size valid?
505 slw r14,r14,r15 ; Set 256KB, 512KB, or 1MB
506 beq- init750l2none ; Not a valid setting...
508 stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
509 stw r13,pfl2cr(r30) ; Shadow the L2CR
510 stw r14,pfl2Size(r30) ; Set the L2 size
511 b init750l2done ; Done with L2
514 rlwinm r17,r17,0,pfL2b+1,pfL2b-1 ; No level 2 cache
517 mfspr r11,hid0 ; Get the current HID0
518 stw r11,pfHID0(r30) ; Save the HID0 value
522 lwz r11,pfHID0(r30) ; Get HID0
524 mtspr hid0,r11 ; Set the HID
532 bf firstBoot, init750 ; No init for wakeup....
533 mfspr r13,hid1 ; Get HID1
534 li r14,lo16(0xFD5F) ; Get valid
535 rlwinm r13,r13,4,28,31 ; Isolate
536 slw r14,r14,r13 ; Position
537 rlwimi r17,r14,15-pfCanNapb,pfCanNapb,pfCanNapb ; Set it
538 b init750 ; Join common...
544 bf firstBoot, init750FXnb
546 stw r11, pfHID1(r30) ; Save the HID1 value
550 lwz r13, pfHID0(r30) ; Get HID0
551 lwz r11, pfHID1(r30) ; Get HID1
553 rlwinm. r0, r11, 0, hid1ps, hid1ps ; Isolate the hid1ps bit
554 beq init750FXnb2 ; Clear BTIC if hid1ps set
555 rlwinm r13, r13, 0, btic+1, btic-1 ; Clear the BTIC bit
559 mtspr hid0, r13 ; Set the HID
563 rlwinm r12, r11, 0, hid1ps+1, hid1ps-1 ; Select PLL0
564 mtspr hid1, r12 ; Restore PLL config
565 mftb r13 ; Wait 5000 ticks (> 200 us)
572 mtspr hid1, r11 ; Select the desired PLL
575 ; 750FX vers 2.0 or later
577 bf firstBoot, init750FXV2nb ; Wake from sleep
580 stw r11, pfHID2(r30) ; Save the HID2 value
581 b init750FX ; Continue with 750FX init
584 lwz r13, pfHID2(r30) ; Get HID2
585 rlwinm r13, r13, 0, hid2vmin+1, hid2vmin-1 ; Clear the vmin bit
586 mtspr hid2, r13 ; Restore HID2 value
587 sync ; Wait for it to be done
592 init7400: bf firstBoot,i7400nb ; Do different if not initial boot...
593 mfspr r13,l2cr ; Get the L2CR
594 rlwinm. r0,r13,0,l2e,l2e ; Any L2?
595 bne+ i7400hl2 ; Yes...
596 rlwinm r17,r17,0,pfL2b+1,pfL2b-1 ; No L2, turn off feature
598 i7400hl2: lis r14,hi16(256*1024) ; Base L2 size
599 addis r15,r13,0x3000 ; Hah... Figure this one out...
600 rlwinm r15,r15,4,30,31
601 slw r14,r14,r15 ; Set 256KB, 512KB, 1MB, or 2MB
603 stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
604 stw r13,pfl2cr(r30) ; Shadow the L2CR
605 stw r14,pfl2Size(r30) ; Set the L2 size
607 mfspr r11,hid0 ; Get the current HID0
608 oris r11,r11,hi16(emcpm|eiecm) ; ?
611 stw r11,pfHID0(r30) ; Save the HID0 value
613 mfspr r11,msscr0 ; Get the msscr0 register
614 stw r11,pfMSSCR0(r30) ; Save the MSSCR0 value
615 mfspr r11,msscr1 ; Get the msscr1 register
616 stw r11,pfMSSCR1(r30) ; Save the MSSCR1 value
621 mtspr l2cr,r11 ; Make sure L2CR is zero
622 lwz r11,pfHID0(r30) ; Get HID0
624 mtspr hid0,r11 ; Set the HID
627 lwz r11,pfMSSCR0(r30) ; Get MSSCR0
630 mtspr msscr0,r11 ; Set the MSSCR0
631 lwz r11,pfMSSCR1(r30) ; Get msscr1
634 mtspr msscr1,r11 ; Set the msscr1
639 ; 7400 (ver 2.0 - ver 2.7)
642 bf firstBoot, init7400
643 mfspr r13, hid0 ; Get the HID0
644 ori r13, r13, nopdstm ; ?
645 mtspr hid0, r13 ; Set the HID0
651 ; Note that this is the same as 7400 except we initialize the l2cr2 register
653 init7410: li r13,0 ; Clear
654 mtspr 1016,r13 ; Turn off direct cache
655 b init7400 ; Join up with common....
658 ; 745X - Any 7450 family processor
661 bf firstBoot,init745Xnb ; Do different if not initial boot...
663 mfspr r13,l2cr ; Get the L2CR
664 rlwinm. r0,r13,0,l2e,l2e ; Any L2?
665 bne+ init745Xhl2 ; Yes...
666 rlwinm r17,r17,0,pfL2b+1,pfL2b-1 ; No L2, turn off feature
669 mfpvr r14 ; Get processor version
670 rlwinm r14,r14,16,16,31 ; Isolate processor version
671 cmpli cr0, r14, PROCESSOR_VERSION_7457 ; Test for 7457 or
672 cmpli cr1, r14, PROCESSOR_VERSION_7447A ; 7447A
673 cror cr0_eq, cr1_eq, cr0_eq
674 lis r14,hi16(512*1024) ; 512KB L2
677 lis r14,hi16(256*1024) ; Base L2 size
678 rlwinm r15,r13,22,12,13 ; Convert to 256k, 512k, or 768k
679 add r14,r14,r15 ; Add in minimum
682 stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
683 stw r13,pfl2cr(r30) ; Shadow the L2CR
684 stw r14,pfl2Size(r30) ; Set the L2 size
686 ; Take care of level 3 cache
688 mfspr r13,l3cr ; Get the L3CR
689 rlwinm. r0,r13,0,l3e,l3e ; Any L3?
690 bne+ init745Xhl3 ; Yes...
691 rlwinm r17,r17,0,pfL3b+1,pfL3b-1 ; No L3, turn off feature
693 init745Xhl3: cmplwi cr0,r13,0 ; No L3 if L3CR is zero
694 beq- init745Xnone ; Go turn off the features...
695 lis r14,hi16(1024*1024) ; Base L3 size
696 rlwinm r15,r13,4,31,31 ; Get size multiplier
697 slw r14,r14,r15 ; Set 1 or 2MB
699 stw r13,pfl3crOriginal(r30) ; Shadow the L3CR
700 stw r13,pfl3cr(r30) ; Shadow the L3CR
701 stw r14,pfl3Size(r30) ; Set the L3 size
702 b init745Xfin ; Return....
705 rlwinm r17,r17,0,pfL3fab+1,pfL3b-1 ; No 3rd level cache or assist
706 rlwinm r11,r17,pfWillNapb-pfCanNapb,pfCanNapb,pfCanNapb ; Set pfCanNap if pfWillNap is set
710 rlwinm r17,r17,0,pfWillNapb+1,pfWillNapb-1 ; Make sure pfWillNap is not set
712 mfspr r11,hid0 ; Get the current HID0
713 stw r11,pfHID0(r30) ; Save the HID0 value
714 mfspr r11,hid1 ; Get the current HID1
715 stw r11,pfHID1(r30) ; Save the HID1 value
716 mfspr r11,msscr0 ; Get the msscr0 register
717 stw r11,pfMSSCR0(r30) ; Save the MSSCR0 value
718 mfspr r11,msscr1 ; Get the msscr1 register
719 stw r11,pfMSSCR1(r30) ; Save the MSSCR1 value
720 mfspr r11,ictrl ; Get the ictrl register
721 stw r11,pfICTRL(r30) ; Save the ICTRL value
722 mfspr r11,ldstcr ; Get the ldstcr register
723 stw r11,pfLDSTCR(r30) ; Save the LDSTCR value
724 mfspr r11,ldstdb ; Get the ldstdb register
725 stw r11,pfLDSTDB(r30) ; Save the LDSTDB value
726 mfspr r11,pir ; Get the pir register
727 stw r11,pfBootConfig(r30) ; Save the BootConfig value
731 init745Xnb: lwz r11,pfHID0(r30) ; Get HID0
733 mtspr hid0,r11 ; Set the HID
735 lwz r11,pfHID1(r30) ; Get HID1
737 mtspr hid1,r11 ; Set the HID
739 lwz r11,pfMSSCR0(r30) ; Get MSSCR0
741 mtspr msscr0,r11 ; Set the MSSCR0
744 lwz r11,pfICTRL(r30) ; Get ICTRL
746 mtspr ictrl,r11 ; Set the ICTRL
749 lwz r11,pfLDSTCR(r30) ; Get LDSTCR
751 mtspr ldstcr,r11 ; Set the LDSTCR
754 lwz r11,pfLDSTDB(r30) ; Get LDSTDB
756 mtspr ldstdb,r11 ; Set the LDSTDB
764 bf firstBoot, init745X ; Not boot, use standard init
766 mfspr r13, pir ; Get BootConfig from PIR
767 rlwinm. r14, r13, 0, 20, 23 ; Is the pdet value zero
768 bne init7450done ; No, done for now
770 ori r13, r13, 0x0400 ; Force pdet value to 4
771 mtspr pir, r13 ; Write back the BootConfig
774 b init745X ; Continue with standard init
778 lis r20,8 ; Set up for 512K L2
781 mtspr hior,r0 ; Make sure that 0 is interrupt prefix
782 bf firstBoot,init970nb ; No init for wakeup or second processor....
786 ; We can not query or change the L2 size. We will just
787 ; phoney up a L2CR to make sysctl "happy" and set the
791 lis r0,0x8000 ; Synthesize a "valid" but non-existant L2CR
792 stw r0,pfl2crOriginal(r30) ; Set a dummy L2CR
793 stw r0,pfl2cr(r30) ; Set a dummy L2CR
794 stw r20,pfl2Size(r30) ; Set the L2 size
796 mfspr r11,hid0 ; Get original hid0
797 std r11,pfHID0(r30) ; Save original
798 mfspr r11,hid1 ; Get original hid1
799 std r11,pfHID1(r30) ; Save original
800 mfspr r11,hid4 ; Get original hid4
801 std r11,pfHID4(r30) ; Save original
802 mfspr r11,hid5 ; Get original hid5
803 std r11,pfHID5(r30) ; Save original
805 lis r0, hi16(dnapm) ; Create a mask for the dnap bit
806 sldi r0, r0, 32 ; Shift to the top half
807 ld r11,pfHID0(r30) ; Load the hid0 value
808 andc r11, r11, r0 ; Clear the dnap bit
810 mtspr hid0,r11 ; Stuff it
811 mfspr r11,hid0 ; Get it
812 mfspr r11,hid0 ; Get it
813 mfspr r11,hid0 ; Get it
814 mfspr r11,hid0 ; Get it
815 mfspr r11,hid0 ; Get it
816 mfspr r11,hid0 ; Get it
819 lis r0,(pcfValid|pcfLarge|pcfDedSeg)<<8 ; Set the valid bit, dedicated segment, and large page flags
820 ori r0,r0,(24<<8)|24 ; Add in the 16M page size
821 stw r0,lgpPcfg+(pcfSize*pcfLargePcfg)(0) ; Set the 16M primary large page configuration entry
826 ; Start up code for second processor or wake up from sleep
830 lis r0, hi16(dnapm) ; Create a mask for the dnap bit
831 sldi r0, r0, 32 ; Shift to the top half
832 ld r11,pfHID0(r30) ; Load the hid0 value
833 andc r11, r11, r0 ; Clear the dnap bit
835 mtspr hid0,r11 ; Stuff it
836 mfspr r11,hid0 ; Get it
837 mfspr r11,hid0 ; Get it
838 mfspr r11,hid0 ; Get it
839 mfspr r11,hid0 ; Get it
840 mfspr r11,hid0 ; Get it
841 mfspr r11,hid0 ; Get it
844 ld r20,pfHID1(r30) ; Get it
846 mtspr hid1,r20 ; Stick it
847 mtspr hid1,r20 ; Stick it again
850 ld r11,pfHID4(r30) ; Get it
852 mtspr hid4,r11 ; Stick it
855 lis r11,0xE000 ; Get the unlikeliest ESID possible
856 srdi r11,r11,1 ; Make 0x7FFFFFFFF0000000
857 slbie r11 ; Make sure the ERAT is cleared
859 ld r11,pfHID5(r30) ; Get it
860 mtspr hid5,r11 ; Set it
863 ; May have changed dcbz mode so kill icache
866 eqv r13,r13,r13 ; Get a constant -1
867 mr r14,r20 ; Save HID1
868 rldimi r14,r13,54,9 ; Set force icbi match mode
870 li r11,0 ; Set start if ICBI range
872 mtspr hid1,r14 ; Stick it
873 mtspr hid1,r14 ; Stick it again
876 inin970ki: icbi 0,r11 ; Kill I$
877 addi r11,r11,128 ; Next line
878 andis. r0,r11,1 ; Have we done them all?
879 beq++ inin970ki ; Not yet...
882 mtspr hid1,r20 ; Stick it
883 mtspr hid1,r20 ; Stick it again
890 ; Unsupported Processors
892 mtlr r2 ; Restore the return address
893 blr ; Return to the booter
897 ; Processor to feature table
899 ; .align 2 - Always on word boundary
900 ; .long ptFilter - Mask of significant bits in the Version/Revision code
901 ; - NOTE: Always order from most restrictive to least restrictive matching
902 ; .short ptVersion - Version code from PVR. Always start with 0 which is default
903 ; .short ptRevision - Revision code from PVR. A zero value denotes the generic attributes if not specific
904 ; .long ptFeatures - Available features
905 ; .long ptCPUCap - Default value for _cpu_capabilities
906 ; .long ptPwrModes - Available power management features
907 ; .long ptPatch - Patch features
908 ; .long ptInitRout - Initilization routine. Can modify any of the other attributes.
909 ; .long ptRptdProc - Processor type reported
910 ; .long ptLineSize - Level 1 cache line size
911 ; .long ptl1iSize - Level 1 instruction cache size
912 ; .long ptl1dSize - Level 1 data cache size
913 ; .long ptPTEG - Size of PTEG
914 ; .long ptMaxVAddr - Maximum effective address
915 ; .long ptMaxPAddr - Maximum physical address
924 .long 0xFFFF0F00 ; 2.x vers
925 .short PROCESSOR_VERSION_750
927 .long pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL2
928 .long kCache32 | kHasGraphicsOps | kHasStfiwx
932 .long CPU_SUBTYPE_POWERPC_750
943 .long 0xFFFF0000 ; All revisions
944 .short PROCESSOR_VERSION_750
946 .long pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL2
947 .long kCache32 | kHasGraphicsOps | kHasStfiwx
951 .long CPU_SUBTYPE_POWERPC_750
962 .long 0xFFFF0F00 ; 1.x vers
963 .short PROCESSOR_VERSION_750FX
965 .long pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pfSlowNap | pfNoMuMMCK | pf32Byte | pfL2
966 .long kCache32 | kHasGraphicsOps | kHasStfiwx
970 .long CPU_SUBTYPE_POWERPC_750
981 .long 0xFFFF0000 ; All revisions
982 .short PROCESSOR_VERSION_750FX
984 .long pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pfSlowNap | pfNoMuMMCK | pf32Byte | pfL2
985 .long kCache32 | kHasGraphicsOps | kHasStfiwx
986 .long pmDualPLL | pmDPLLVmin
989 .long CPU_SUBTYPE_POWERPC_750
997 ; 7400 (ver 2.0 - ver 2.7)
1000 .long 0xFFFFFFF8 ; ver 2.0 - 2.7
1001 .short PROCESSOR_VERSION_7400
1003 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL1fa | pfL2 | pfL2fa | pfHasDcba
1004 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1008 .long CPU_SUBTYPE_POWERPC_7400
1019 .long 0xFFFF0000 ; All revisions
1020 .short PROCESSOR_VERSION_7400
1022 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL1fa | pfL2 | pfL2fa | pfHasDcba
1023 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1027 .long CPU_SUBTYPE_POWERPC_7400
1038 .long 0xFFFFFFFF ; Exact match
1039 .short PROCESSOR_VERSION_7400
1041 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL1fa | pfL2 | pfL2fa | pfHasDcba
1042 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1046 .long CPU_SUBTYPE_POWERPC_7400
1057 .long 0xFFFF0000 ; All other revisions
1058 .short PROCESSOR_VERSION_7410
1060 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfCanDoze | pf32Byte | pfL1fa | pfL2 | pfL2fa | pfHasDcba
1061 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1065 .long CPU_SUBTYPE_POWERPC_7400
1076 .long 0xFFFFFF00 ; Just revisions 1.xx
1077 .short PROCESSOR_VERSION_7450
1079 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1080 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1084 .long CPU_SUBTYPE_POWERPC_7450
1095 .long 0xFFFFFFFF ; Just revision 2.0
1096 .short PROCESSOR_VERSION_7450
1098 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1099 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1103 .long CPU_SUBTYPE_POWERPC_7450
1114 .long 0xFFFF0000 ; All other revisions
1115 .short PROCESSOR_VERSION_7450
1117 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfWillNap | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1118 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1122 .long CPU_SUBTYPE_POWERPC_7450
1130 ; 7455 (1.xx) Just like 7450 2.0
1133 .long 0xFFFFFF00 ; Just revisions 1.xx
1134 .short PROCESSOR_VERSION_7455
1136 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1137 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1141 .long CPU_SUBTYPE_POWERPC_7450
1152 .long 0xFFFFFFFF ; Just revision 2.0
1153 .short PROCESSOR_VERSION_7455
1155 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfWillNap | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1156 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1160 .long CPU_SUBTYPE_POWERPC_7450
1171 .long 0xFFFF0000 ; All other revisions
1172 .short PROCESSOR_VERSION_7455
1174 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1175 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1179 .long CPU_SUBTYPE_POWERPC_7450
1190 .long 0xFFFF0000 ; All revisions
1191 .short PROCESSOR_VERSION_7457
1193 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1194 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1198 .long CPU_SUBTYPE_POWERPC_7450
1209 .long 0xFFFF0000 ; All revisions
1210 .short PROCESSOR_VERSION_7447A
1212 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfNoMSRir | pfNoL2PFNap | pfLClck | pf32Byte | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfHasDcba
1213 .long kHasAltivec | kCache32 | kDcbaAvailable | kDataStreamsRecommended | kDataStreamsAvailable | kHasGraphicsOps | kHasStfiwx
1217 .long CPU_SUBTYPE_POWERPC_7450
1228 .long 0xFFFF0000 ; All versions so far
1229 .short PROCESSOR_VERSION_970
1231 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pf128Byte | pf64Bit | pfL2 | pfSCOMFixUp
1232 .long kHasAltivec | k64Bit | kCache128 | kDataStreamsAvailable | kDcbtStreamsRecommended | kDcbtStreamsAvailable | kHasGraphicsOps | kHasStfiwx | kHasFsqrt
1236 .long CPU_SUBTYPE_POWERPC_970
1247 .long 0xFFFF0000 ; All versions so far
1248 .short PROCESSOR_VERSION_970FX
1250 .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pf128Byte | pf64Bit | pfL2
1251 .long kHasAltivec | k64Bit | kCache128 | kDataStreamsAvailable | kDcbtStreamsRecommended | kDcbtStreamsAvailable | kHasGraphicsOps | kHasStfiwx | kHasFsqrt
1255 .long CPU_SUBTYPE_POWERPC_970
1264 ; All other processors are not supported
1267 .long 0x00000000 ; Matches everything
1270 .long pfFloat | pf32Byte
1271 .long kCache32 | kHasGraphicsOps | kHasStfiwx
1274 .long initUnsupported
1275 .long CPU_SUBTYPE_POWERPC_ALL