xnu-344.32.tar.gz

[apple/xnu.git] / osfmk / ppc / start.s

diff --git a/osfmk/ppc/start.s b/osfmk/ppc/start.s
index 12714d5515261b21e82febce436b9c5e1009f844..6ad6a1e4cca464d9fe7fffef28c9c6632c768504 100644 (file)
--- a/osfmk/ppc/start.s
+++ b/osfmk/ppc/start.s
@@ -524,6 +524,21 @@ init750FXnbloop:
                        mtspr   hid1, r11                                                       ; Select the desired PLL
                        blr
 
                        mtspr   hid1, r11                                                       ; Select the desired PLL
                        blr
 

+;                      750FX vers 2.0 or later
+init750FXV2:
+                       bf      firstBoot, init750FXV2nb                                        ; Wake from sleep
+
+                       mfspr   r11, hid2
+                       stw     r11, pfHID2(r30)                                                ; Save the HID2 value
+                       b       init750FX                                                       ; Continue with 750FX init
+
+init750FXV2nb:
+                       lwz     r13, pfHID2(r30)                                                ; Get HID2
+                       rlwinm  r13, r13, 0, hid2vmin+1, hid2vmin-1                             ; Clear the vmin bit
+                       mtspr   hid2, r13                                                       ; Restore HID2 value
+                       sync                                                                    ; Wait for it to be done
+                       b       init750FX
+

 ;                      7400
 
 init7400:      bf              firstBoot,i7400nb                                       ; Do different if not initial boot...
 ;                      7400
 
 init7400:      bf              firstBoot,i7400nb                                       ; Do different if not initial boot...


@@ -857,6 +872,21 @@ processor_types:
        .long   32*1024
        .long   32*1024
        
        .long   32*1024
        .long   32*1024
        

+;       750FX (ver 1.x)
+
+        .align  2
+        .long   0xFFFF0F00              ; 1.x vers
+        .short  PROCESSOR_VERSION_750FX
+        .short  0x0100
+        .long   pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pfSlowNap | pfNoMuMMCK | pfL1i | pfL1d | pfL2
+        .long   init750FX
+        .long   CPU_SUBTYPE_POWERPC_750
+        .long   105
+        .long   90
+        .long   32
+        .long   32*1024
+        .long   32*1024
+       

 ;       750FX (generic)
 
         .align  2
 ;       750FX (generic)
 
         .align  2


@@ -864,7 +894,7 @@ processor_types:
         .short  PROCESSOR_VERSION_750FX
         .short  0
         .long   pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pfSlowNap | pfNoMuMMCK | pfL1i | pfL1d | pfL2
         .short  PROCESSOR_VERSION_750FX
         .short  0
         .long   pfFloat | pfCanSleep | pfCanNap | pfCanDoze | pfSlowNap | pfNoMuMMCK | pfL1i | pfL1d | pfL2

-        .long   init750FX
+        .long   init750FXV2

         .long   CPU_SUBTYPE_POWERPC_750
         .long   105
         .long   90
         .long   CPU_SUBTYPE_POWERPC_750
         .long   105
         .long   90