upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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96 lines
2.1 KiB
96 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
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* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
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*/
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#ifndef _M68K_BYTEORDER_H
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#define _M68K_BYTEORDER_H
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#include <asm/types.h>
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#ifdef __GNUC__
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static inline __u32 __sw32(__u32 x)
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{
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__u32 v = x;
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return v << 24 |
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(v & (__u32)0x0000ff00UL) << 8 |
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(v & (__u32)0x00ff0000UL) >> 8 |
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v >> 24;
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}
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static inline __u16 __sw16(__u16 x)
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{
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__u16 v = x;
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return (v & (__u16)0x00ffU) << 8 |
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(v & (__u16)0xff00U) >> 8;
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}
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static __inline__ unsigned ld_le16(const volatile unsigned short *addr)
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{
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return __sw16(*addr);
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}
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static __inline__ void st_le16(volatile unsigned short *addr,
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const unsigned val)
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{
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*addr = __sw16(val);
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}
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static __inline__ unsigned ld_le32(const volatile unsigned *addr)
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{
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return __sw32(*addr);
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}
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static __inline__ void st_le32(volatile unsigned *addr, const unsigned val)
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{
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*addr = __sw32(val);
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}
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#if 0
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/* alas, egcs sounds like it has a bug in this code that doesn't use the
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inline asm correctly, and can cause file corruption. Until I hear that
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it's fixed, I can live without the extra speed. I hope. */
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#if !(__GNUC__ >= 2 && __GNUC_MINOR__ >= 90)
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#if 0
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# define __arch_swab16(x) ld_le16(&x)
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# define __arch_swab32(x) ld_le32(&x)
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#else
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static __inline__ __attribute__ ((const))
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__u16 ___arch__swab16(__u16 value)
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{
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return __sw16(value);
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}
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static __inline__ __attribute__ ((const))
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__u32 ___arch__swab32(__u32 value)
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{
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return __sw32(value);
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}
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#define __arch__swab32(x) ___arch__swab32(x)
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#define __arch__swab16(x) ___arch__swab16(x)
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#endif /* 0 */
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#endif
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/* The same, but returns converted value from the location pointer by addr. */
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#define __arch__swab16p(addr) ld_le16(addr)
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#define __arch__swab32p(addr) ld_le32(addr)
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/* The same, but do the conversion in situ, ie. put the value back to addr. */
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#define __arch__swab16s(addr) st_le16(addr,*addr)
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#define __arch__swab32s(addr) st_le32(addr,*addr)
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#endif
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#endif /* __GNUC__ */
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#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define __BYTEORDER_HAS_U64__
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#endif
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#include <linux/byteorder/big_endian.h>
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#endif /* _M68K_BYTEORDER_H */
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