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authorSascha Hauer <s.hauer@pengutronix.de>2020-06-11 07:35:39 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2020-06-11 07:35:39 +0200
commit1fb15fcfe9ecb079b88df7eb01f1e29144cd8f96 (patch)
tree651ae01bac7ed264934baccd0fccbfeec6905da6 /arch/arm/include
parentd6757bacf8180b17692682c58dd6a9938d0c3c1d (diff)
parentaa2cd910c7465eaf6de04da1b4d110205ad63c77 (diff)
downloadbarebox-1fb15fcfe9ecb079b88df7eb01f1e29144cd8f96.tar.gz
barebox-1fb15fcfe9ecb079b88df7eb01f1e29144cd8f96.tar.xz
Merge branch 'for-next/sandbox-compile-test'
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/atomic.h108
-rw-r--r--arch/arm/include/asm/io.h58
2 files changed, 4 insertions, 162 deletions
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index 9b79506b59..cfc359a5ce 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -1,111 +1,9 @@
-/*
- * linux/include/asm-arm/atomic.h
- *
- * Copyright (c) 1996 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Changelog:
- * 27-06-1996 RMK Created
- * 13-04-1997 RMK Made functions atomic!
- * 07-12-1997 RMK Upgraded for v2.1.
- * 26-08-1998 PJB Added #ifdef __KERNEL__
- */
+// SPDX-License-Identifier: GPL-2.0-only
+
#ifndef __ASM_ARM_ATOMIC_H
#define __ASM_ARM_ATOMIC_H
-#ifdef CONFIG_SMP
-#error SMP not supported
-#endif
-
-typedef struct { volatile int counter; } atomic_t;
-
-#define ATOMIC_INIT(i) { (i) }
-
-#ifdef __KERNEL__
#include <asm/proc-armv/system.h>
+#include <asm-generic/atomic.h>
-#define atomic_read(v) ((v)->counter)
-#define atomic_set(v,i) (((v)->counter) = (i))
-
-static inline void atomic_add(int i, volatile atomic_t *v)
-{
- unsigned long flags = 0;
-
- local_irq_save(flags);
- v->counter += i;
- local_irq_restore(flags);
-}
-
-static inline void atomic_sub(int i, volatile atomic_t *v)
-{
- unsigned long flags = 0;
-
- local_irq_save(flags);
- v->counter -= i;
- local_irq_restore(flags);
-}
-
-static inline void atomic_inc(volatile atomic_t *v)
-{
- unsigned long flags = 0;
-
- local_irq_save(flags);
- v->counter += 1;
- local_irq_restore(flags);
-}
-
-static inline void atomic_dec(volatile atomic_t *v)
-{
- unsigned long flags = 0;
-
- local_irq_save(flags);
- v->counter -= 1;
- local_irq_restore(flags);
-}
-
-static inline int atomic_dec_and_test(volatile atomic_t *v)
-{
- unsigned long flags = 0;
- int val;
-
- local_irq_save(flags);
- val = v->counter;
- v->counter = val -= 1;
- local_irq_restore(flags);
-
- return val == 0;
-}
-
-static inline int atomic_add_negative(int i, volatile atomic_t *v)
-{
- unsigned long flags = 0;
- int val;
-
- local_irq_save(flags);
- val = v->counter;
- v->counter = val += i;
- local_irq_restore(flags);
-
- return val < 0;
-}
-
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
-{
- unsigned long flags = 0;
-
- local_irq_save(flags);
- *addr &= ~mask;
- local_irq_restore(flags);
-}
-
-/* Atomic operations are already serializing on ARM */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
-#endif
#endif
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 56db546341..072b47317c 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -4,6 +4,7 @@
#define IO_SPACE_LIMIT 0
#include <asm-generic/io.h>
+#include <asm-generic/bitio.h>
/*
* String version of IO memory access ops:
@@ -12,63 +13,6 @@ extern void memcpy_fromio(void *, const volatile void __iomem *, size_t);
extern void memcpy_toio(volatile void __iomem *, const void *, size_t);
extern void memset_io(volatile void __iomem *, int, size_t);
-/*
- * Clear and set bits in one shot. These macros can be used to clear and
- * set multiple bits in a register using a single call. These macros can
- * also be used to set a multiple-bit bit pattern using a mask, by
- * specifying the mask in the 'clear' parameter and the new bit pattern
- * in the 'set' parameter.
- */
-
-#define out_arch(type,endian,a,v) __raw_write##type(cpu_to_##endian(v),a)
-#define in_arch(type,endian,a) endian##_to_cpu(__raw_read##type(a))
-
-#define out_le64(a,v) out_arch(q,le64,a,v)
-#define out_le32(a,v) out_arch(l,le32,a,v)
-#define out_le16(a,v) out_arch(w,le16,a,v)
-
-#define in_le64(a) in_arch(q,le64,a)
-#define in_le32(a) in_arch(l,le32,a)
-#define in_le16(a) in_arch(w,le16,a)
-
-#define out_be32(a,v) out_arch(l,be32,a,v)
-#define out_be16(a,v) out_arch(w,be16,a,v)
-
-#define in_be32(a) in_arch(l,be32,a)
-#define in_be16(a) in_arch(w,be16,a)
-
-#define out_8(a,v) __raw_writeb(v,a)
-#define in_8(a) __raw_readb(a)
-
-#define clrbits(type, addr, clear) \
- out_##type((addr), in_##type(addr) & ~(clear))
-
-#define setbits(type, addr, set) \
- out_##type((addr), in_##type(addr) | (set))
-
-#define clrsetbits(type, addr, clear, set) \
- out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
-
-#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
-#define setbits_be32(addr, set) setbits(be32, addr, set)
-#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
-
-#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
-#define setbits_le32(addr, set) setbits(le32, addr, set)
-#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
-
-#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
-#define setbits_be16(addr, set) setbits(be16, addr, set)
-#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
-
-#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
-#define setbits_le16(addr, set) setbits(le16, addr, set)
-#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
-
-#define clrbits_8(addr, clear) clrbits(8, addr, clear)
-#define setbits_8(addr, set) setbits(8, addr, set)
-#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
-
static inline void *phys_to_virt(unsigned long phys)
{
return (void *)phys;