#define PROCESSOR_VERSION_7400 12 /* ? */
#define PROCESSOR_VERSION_7410 0x800C /* ? */
#define PROCESSOR_VERSION_7450 0x8000 /* ? */
+#define PROCESSOR_VERSION_7455 0x8001 /* ? */
/*
* Interrupt and bootup stack for initial processor
; Specific processor initialization routines
;
-; 750CX
-
-init750CX:
- bf firstBoot, init750 ; No init for wakeup....
- mfspr r13,hid1 ; Get HID1
- li r14,lo16(0xFD5F) ; Get valid
- rlwinm r13,r13,4,28,31 ; Isolate
- slw r14,r14,r13 ; Position
- rlwimi r17,r14,15-pfCanNapb,pfCanNapb,pfCanNapb ; Set it
- b init750 ; Join common...
-
; 750
init750:
slw r14,r14,r15 ; Set 256KB, 512KB, or 1MB
beq- init750l2none ; Not a valid setting...
+ stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
stw r13,pfl2cr(r30) ; Shadow the L2CR
stw r14,pfl2Size(r30) ; Set the L2 size
b init750l2done ; Done with L2
blr ; Return...
init750nb:
- lwz r11,pfHID0(r30) ; Get HID0
+ lwz r11,pfHID0(r30) ; Get HID0
sync
mtspr hid0,r11 ; Set the HID
isync
sync
blr
+; 750CX
+
+init750CX:
+ bf firstBoot, init750 ; No init for wakeup....
+ mfspr r13,hid1 ; Get HID1
+ li r14,lo16(0xFD5F) ; Get valid
+ rlwinm r13,r13,4,28,31 ; Isolate
+ slw r14,r14,r13 ; Position
+ rlwimi r17,r14,15-pfCanNapb,pfCanNapb,pfCanNapb ; Set it
+ b init750 ; Join common...
+
+
+; 7400
+
init7400: bf firstBoot,i7400nb ; Do different if not initial boot...
mfspr r13,l2cr ; Get the L2CR
rlwinm. r0,r13,0,l2e,l2e ; Any L2?
rlwinm r15,r15,4,30,31
slw r14,r14,r15 ; Set 256KB, 512KB, 1MB, or 2MB
+ stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
stw r13,pfl2cr(r30) ; Shadow the L2CR
stw r14,pfl2Size(r30) ; Set the L2 size
blr ; Return...
i7400nb:
+ li r11,0
+ mtspr l2cr,r11 ; Make sure L2CR is zero
lwz r11,pfHID0(r30) ; Get HID0
sync
mtspr hid0,r11 ; Set the HID
init7410: li r13,0 ; Clear
mtspr 1016,r13 ; Turn off direct cache
b init7400 ; Join up with common....
-
-; 7450
-init7450: bf firstBoot,i7450nb ; Do different if not initial boot...
+
+; 745X - Any 7450 family processor
+
+init745X:
+ bf firstBoot,init745Xnb ; Do different if not initial boot...
mfspr r13,l2cr ; Get the L2CR
rlwinm. r0,r13,0,l2e,l2e ; Any L2?
- bne+ i7450hl2 ; Yes...
+ bne+ init745Xhl2 ; Yes...
rlwinm r17,r17,0,pfL2b+1,pfL2b-1 ; No L2, turn off feature
-i7450hl2: lis r14,hi16(256*1024) ; Base L2 size
+init745Xhl2: lis r14,hi16(256*1024) ; Base L2 size
rlwinm r15,r13,22,12,13 ; Convert to 256k, 512k, or 768k
add r14,r14,r15 ; Add in minimum
+ stw r13,pfl2crOriginal(r30) ; Shadow the L2CR
stw r13,pfl2cr(r30) ; Shadow the L2CR
stw r14,pfl2Size(r30) ; Set the L2 size
mfspr r13,l3cr ; Get the L3CR
rlwinm. r0,r13,0,l3e,l3e ; Any L3?
- bne+ i7450hl3 ; Yes...
+ bne+ init745Xhl3 ; Yes...
rlwinm r17,r17,0,pfL3b+1,pfL3b-1 ; No L3, turn off feature
-i7450hl3: cmplwi cr0,r13,0 ; No L3 if L3CR is zero
- beq- init7450none ; Go turn off the features...
+init745Xhl3: cmplwi cr0,r13,0 ; No L3 if L3CR is zero
+ beq- init745Xnone ; Go turn off the features...
lis r14,hi16(1024*1024) ; Base L3 size
rlwinm r15,r13,4,31,31 ; Get size multiplier
slw r14,r14,r15 ; Set 1 or 2MB
+ stw r13,pfl3crOriginal(r30) ; Shadow the L3CR
stw r13,pfl3cr(r30) ; Shadow the L3CR
stw r14,pfl3Size(r30) ; Set the L3 size
- b init7450fin ; Return....
+ b init745Xfin ; Return....
-init7450none:
+init745Xnone:
rlwinm r17,r17,0,pfL3fab+1,pfL3b-1 ; No 3rd level cache or assist
rlwinm r11,r17,pfWillNapb-pfCanNapb,pfCanNapb,pfCanNapb ; Set pfCanNap if pfWillNap is set
or r17,r17,r11
-init7450fin:
+init745Xfin:
rlwinm r17,r17,0,pfWillNapb+1,pfWillNapb-1 ; Make sure pfWillNap is not set
mfspr r11,hid0 ; Get the current HID0
stw r11,pfLDSTCR(r30) ; Save the LDSTCR value
mfspr r11,ldstdb ; Get the ldstdb register
stw r11,pfLDSTDB(r30) ; Save the LDSTDB value
+ mfspr r11,pir ; Get the pir register
+ stw r11,pfBootConfig(r30) ; Save the BootConfig value
blr ; Return....
-i7450nb: lwz r11,pfHID0(r30) ; Get HID0
+init745Xnb: lwz r11,pfHID0(r30) ; Get HID0
sync
mtspr hid0,r11 ; Set the HID
isync
sync
blr
+; 7450 - Specific
+
+init7450:
+ bf firstBoot, init745X ; Not boot, use standard init
+
+ mfspr r13, pir ; Get BootConfig from PIR
+ rlwinm. r14, r13, 0, 20, 23 ; Is the pdet value zero
+ bne init7450done ; No, done for now
+
+ ori r13, r13, 0x0400 ; Force pdet value to 4
+ mtspr pir, r13 ; Write back the BootConfig
+
+init7450done:
+ b init745X ; Continue with standard init
+
;
; Processor to feature table
.long 0xFFFFFF00 ; Just revisions 1.xx
.short PROCESSOR_VERSION_7450
.short 0x0100
- .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfL3pdet
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
.long init7450
.long CPU_SUBTYPE_POWERPC_7450
.long 105
.long 0xFFFFFFFF ; Just revision 2.0
.short PROCESSOR_VERSION_7450
.short 0x0200
- .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfL3pdet
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
.long init7450
.long CPU_SUBTYPE_POWERPC_7450
.long 105
.long 0xFFFF0000 ; All other revisions
.short PROCESSOR_VERSION_7450
.short 0
- .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfWillNap | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa | pfL3pdet
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfWillNap | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
.long init7450
.long CPU_SUBTYPE_POWERPC_7450
.long 105
.long 32*1024
.long 32*1024
+; 7455 (1.xx) Just like 7450 2.0
+
+ .align 2
+ .long 0xFFFFFF00 ; Just revisions 1.xx
+ .short PROCESSOR_VERSION_7455
+ .short 0x0100
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
+ .long init745X
+ .long CPU_SUBTYPE_POWERPC_7450
+ .long 105
+ .long 90
+ .long 32
+ .long 32*1024
+ .long 32*1024
+
+; 7455 (2.0)
+
+ .align 2
+ .long 0xFFFFFFFF ; Just revision 2.0
+ .short PROCESSOR_VERSION_7455
+ .short 0x0200
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfWillNap | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
+ .long init745X
+ .long CPU_SUBTYPE_POWERPC_7450
+ .long 105
+ .long 90
+ .long 32
+ .long 32*1024
+ .long 32*1024
+
+; 7455 (2.1)
+
+ .align 2
+ .long 0xFFFF0000 ; All other revisions
+ .short PROCESSOR_VERSION_7455
+ .short 0
+ .long pfFloat | pfAltivec | pfSMPcap | pfCanSleep | pfCanNap | pfNoMSRir | pfLClck | pfL1i | pfL1d | pfL2 | pfL2fa | pfL2i | pfL3 | pfL3fa
+ .long init745X
+ .long CPU_SUBTYPE_POWERPC_7450
+ .long 105
+ .long 90
+ .long 32
+ .long 32*1024
+ .long 32*1024
; Default dumb loser machine
projects / apple / xnu.git / blobdiff