1 files changed, 4 insertions, 219 deletions

diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index e8883d42c43c..580891cb8ccb 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -1,14 +1,12 @@
 /*
- *  arch/powerpc/kernel/misc64.S
- *
  * This file contains miscellaneous low-level functions.
  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
  *
  * Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
  * and Paul Mackerras.
  * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
- * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com) 
- * 
+ * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
@@ -30,41 +28,10 @@
 
         .text
 
-/*
- * Returns (address we are running at) - (address we were linked at)
- * for use before the text and data are mapped to KERNELBASE.
- */
-
-_GLOBAL(reloc_offset)
-        mflr    r0
-        bl      1f
-1:      mflr    r3
-        LOAD_REG_IMMEDIATE(r4,1b)
-        subf    r3,r4,r3
-        mtlr    r0
-        blr
-
-/*
- * add_reloc_offset(x) returns x + reloc_offset().
- */
-_GLOBAL(add_reloc_offset)
-        mflr    r0
-        bl      1f
-1:      mflr    r5
-        LOAD_REG_IMMEDIATE(r4,1b)
-        subf    r5,r4,r5
-        add     r3,r3,r5
-        mtlr    r0
-        blr
-
 _GLOBAL(get_msr)
         mfmsr   r3
         blr
 
-_GLOBAL(get_dar)
-        mfdar   r3
-        blr
-
 _GLOBAL(get_srr0)
         mfsrr0  r3
         blr
@@ -72,10 +39,6 @@ _GLOBAL(get_srr0)
 _GLOBAL(get_srr1)
         mfsrr1  r3
         blr
-        
-_GLOBAL(get_sp)
-        mr      r3,r1
-        blr
 
 #ifdef CONFIG_IRQSTACKS
 _GLOBAL(call_do_softirq)
@@ -101,48 +64,6 @@ _GLOBAL(call___do_IRQ)
         blr
 #endif /* CONFIG_IRQSTACKS */
 
-        /*
- * To be called by C code which needs to do some operations with MMU
- * disabled. Note that interrupts have to be disabled by the caller
- * prior to calling us. The code called _MUST_ be in the RMO of course
- * and part of the linear mapping as we don't attempt to translate the
- * stack pointer at all. The function is called with the stack switched
- * to this CPU emergency stack
- *
- * prototype is void *call_with_mmu_off(void *func, void *data);
- *
- * the called function is expected to be of the form
- *
- * void *called(void *data); 
- */
-_GLOBAL(call_with_mmu_off)
-        mflr    r0                      /* get link, save it on stackframe */
-        std     r0,16(r1)
-        mr      r1,r5                   /* save old stack ptr */
-        ld      r1,PACAEMERGSP(r13)     /* get emerg. stack */
-        subi    r1,r1,STACK_FRAME_OVERHEAD
-        std     r0,16(r1)               /* save link on emerg. stack */
-        std     r5,0(r1)                /* save old stack ptr in backchain */
-        ld      r3,0(r3)                /* get to real function ptr (assume same TOC) */
-        bl      2f                      /* we need LR to return, continue at label 2 */
-
-        ld      r0,16(r1)               /* we return here from the call, get LR and */
-        ld      r1,0(r1)                /* .. old stack ptr */
-        mtspr   SPRN_SRR0,r0            /* and get back to virtual mode with these */
-        mfmsr   r4
-        ori     r4,r4,MSR_IR|MSR_DR
-        mtspr   SPRN_SRR1,r4
-        rfid
-
-2:      mtspr   SPRN_SRR0,r3            /* coming from above, enter real mode */
-        mr      r3,r4                   /* get parameter */
-        mfmsr   r0
-        ori     r0,r0,MSR_IR|MSR_DR
-        xori    r0,r0,MSR_IR|MSR_DR
-        mtspr   SPRN_SRR1,r0
-        rfid
-
-
         .section        ".toc","aw"
 PPC64_CACHES:
         .tc             ppc64_caches[TC],ppc64_caches
@@ -323,144 +244,6 @@ _GLOBAL(__flush_dcache_icache)
         bdnz    1b
         isync
         blr
-        
-/*
- * I/O string operations
- *
- * insb(port, buf, len)
- * outsb(port, buf, len)
- * insw(port, buf, len)
- * outsw(port, buf, len)
- * insl(port, buf, len)
- * outsl(port, buf, len)
- * insw_ns(port, buf, len)
- * outsw_ns(port, buf, len)
- * insl_ns(port, buf, len)
- * outsl_ns(port, buf, len)
- *
- * The *_ns versions don't do byte-swapping.
- */
-_GLOBAL(_insb)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,1
-        blelr-
-00:     lbz     r5,0(r3)
-        eieio
-        stbu    r5,1(r4)
-        bdnz    00b
-        twi     0,r5,0
-        isync
-        blr
-
-_GLOBAL(_outsb)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,1
-        blelr-
-00:     lbzu    r5,1(r4)
-        stb     r5,0(r3)
-        bdnz    00b
-        sync
-        blr     
-
-_GLOBAL(_insw)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,2
-        blelr-
-00:     lhbrx   r5,0,r3
-        eieio
-        sthu    r5,2(r4)
-        bdnz    00b
-        twi     0,r5,0
-        isync
-        blr
-
-_GLOBAL(_outsw)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,2
-        blelr-
-00:     lhzu    r5,2(r4)
-        sthbrx  r5,0,r3 
-        bdnz    00b
-        sync
-        blr     
-
-_GLOBAL(_insl)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,4
-        blelr-
-00:     lwbrx   r5,0,r3
-        eieio
-        stwu    r5,4(r4)
-        bdnz    00b
-        twi     0,r5,0
-        isync
-        blr
-
-_GLOBAL(_outsl)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,4
-        blelr-
-00:     lwzu    r5,4(r4)
-        stwbrx  r5,0,r3
-        bdnz    00b
-        sync
-        blr     
-
-/* _GLOBAL(ide_insw) now in drivers/ide/ide-iops.c */
-_GLOBAL(_insw_ns)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,2
-        blelr-
-00:     lhz     r5,0(r3)
-        eieio
-        sthu    r5,2(r4)
-        bdnz    00b
-        twi     0,r5,0
-        isync
-        blr
-
-/* _GLOBAL(ide_outsw) now in drivers/ide/ide-iops.c */
-_GLOBAL(_outsw_ns)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,2
-        blelr-
-00:     lhzu    r5,2(r4)
-        sth     r5,0(r3)
-        bdnz    00b
-        sync
-        blr     
-
-_GLOBAL(_insl_ns)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,4
-        blelr-
-00:     lwz     r5,0(r3)
-        eieio
-        stwu    r5,4(r4)
-        bdnz    00b
-        twi     0,r5,0
-        isync
-        blr
-
-_GLOBAL(_outsl_ns)
-        cmpwi   0,r5,0
-        mtctr   r5
-        subi    r4,r4,4
-        blelr-
-00:     lwzu    r5,4(r4)
-        stw     r5,0(r3)
-        bdnz    00b
-        sync
-        blr     
 
 /*
  * identify_cpu and calls setup_cpu
@@ -605,6 +388,7 @@ _GLOBAL(real_writeb)
         blr
 #endif /* defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) */
 
+#ifdef CONFIG_CPU_FREQ_PMAC64
 /*
  * SCOM access functions for 970 (FX only for now)
  *
@@ -673,6 +457,7 @@ _GLOBAL(scom970_write)
         /* restore interrupts */
         mtmsrd  r5,1
         blr
+#endif /* CONFIG_CPU_FREQ_PMAC64 */
 
 
 /*