[POWERPC] Consolidate some of kernel/misc*.S

There were some common functions (mainly i/o).

Also some small white space cleanups and remove a couple of small unused
functions.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 4 insertions, 177 deletions

diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 6bf4a463720..580891cb8cc 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)
@@ -281,144 +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
@@ -563,6 +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)
  *
@@ -631,6 +457,7 @@ _GLOBAL(scom970_write)
 	/* restore interrupts */
 	mtmsrd	r5,1
 	blr
+#endif /* CONFIG_CPU_FREQ_PMAC64 */
 
 
 /*