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powerpc/405: move PPC405_ERR77 in asm-405.h

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Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-07-05 16:24:55 +00:00 committed by Michael Ellerman
parent 8c58259bba
commit 36a7eeaff7
11 changed files with 27 additions and 15 deletions
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19
arch/powerpc/include/asm/asm-405.h Normal file
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@ -0,0 +1,19 @@
#ifndef _ASM_POWERPC_ASM_405_H
#define _ASM_POWERPC_ASM_405_H
#include <asm/asm-const.h>
#ifdef __KERNEL__
#ifdef CONFIG_IBM405_ERR77
/* Erratum #77 on the 405 means we need a sync or dcbt before every
* stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
*/
#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
#define PPC405_ERR77_SYNC stringify_in_c(sync;)
#else
#define PPC405_ERR77(ra,rb)
#define PPC405_ERR77_SYNC
#endif
#endif
#endif /* _ASM_POWERPC_ASM_405_H */

13
arch/powerpc/include/asm/asm-compat.h
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@ -70,17 +70,4 @@
#endif
#ifdef __KERNEL__
#ifdef CONFIG_IBM405_ERR77
/* Erratum #77 on the 405 means we need a sync or dcbt before every
* stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
*/
#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
#define PPC405_ERR77_SYNC stringify_in_c(sync;)
#else
#define PPC405_ERR77(ra,rb)
#define PPC405_ERR77_SYNC
#endif
#endif
#endif /* _ASM_POWERPC_ASM_COMPAT_H */

1
arch/powerpc/include/asm/atomic.h
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@ -10,6 +10,7 @@
#include <linux/types.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>
#include <asm/asm-405.h>
#define ATOMIC_INIT(i) { (i) }

1
arch/powerpc/include/asm/bitops.h
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@ -45,6 +45,7 @@
#include <linux/compiler.h>
#include <asm/asm-compat.h>
#include <asm/synch.h>
#include <asm/asm-405.h>
/* PPC bit number conversion */
#define PPC_BITLSHIFT(be) (BITS_PER_LONG - 1 - (be))

2
arch/powerpc/include/asm/book3s/32/pgtable.h
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@ -164,7 +164,6 @@ static inline unsigned long pte_update(pte_t *p,
1: lwarx %0,0,%3\n\
andc %1,%0,%4\n\
or %1,%1,%5\n"
PPC405_ERR77(0,%3)
" stwcx. %1,0,%3\n\
bne- 1b"
: "=&r" (old), "=&r" (tmp), "=m" (*p)
@ -186,7 +185,6 @@ static inline unsigned long long pte_update(pte_t *p,
lwzx %0,0,%3\n\
andc %1,%L0,%5\n\
or %1,%1,%6\n"
PPC405_ERR77(0,%3)
" stwcx. %1,0,%4\n\
bne- 1b"
: "=&r" (old), "=&r" (tmp), "=m" (*p)

1
arch/powerpc/include/asm/cmpxchg.h
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@ -7,6 +7,7 @@
#include <asm/synch.h>
#include <asm/asm-compat.h>
#include <linux/bug.h>
#include <asm/asm-405.h>
#ifdef __BIG_ENDIAN
#define BITOFF_CAL(size, off) ((sizeof(u32) - size - off) * BITS_PER_BYTE)

1
arch/powerpc/include/asm/futex.h
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@ -9,6 +9,7 @@
#include <asm/errno.h>
#include <asm/synch.h>
#include <asm/asm-compat.h>
#include <asm/asm-405.h>
#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
__asm__ __volatile ( \

1
arch/powerpc/include/asm/nohash/32/pgtable.h
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@ -9,6 +9,7 @@
#include <linux/sched.h>
#include <linux/threads.h>
#include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */
#include <asm/asm-405.h>
extern unsigned long ioremap_bot;

1
arch/powerpc/include/asm/spinlock.h
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@ -27,6 +27,7 @@
#include <asm/asm-compat.h>
#include <asm/synch.h>
#include <asm/ppc-opcode.h>
#include <asm/asm-405.h>
#ifdef CONFIG_PPC64
/* use 0x800000yy when locked, where yy == CPU number */

1
arch/powerpc/kernel/entry_32.S
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@ -33,6 +33,7 @@
#include <asm/unistd.h>
#include <asm/ptrace.h>
#include <asm/export.h>
#include <asm/asm-405.h>
/*
* MSR_KERNEL is > 0x10000 on 4xx/Book-E since it include MSR_CE.

1
arch/powerpc/kernel/head_40x.S
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@ -42,6 +42,7 @@
#include <asm/asm-offsets.h>
#include <asm/ptrace.h>
#include <asm/export.h>
#include <asm/asm-405.h>
/* As with the other PowerPC ports, it is expected that when code
* execution begins here, the following registers contain valid, yet