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MIPS: add readl/write_be accessors

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MIPS currently lacks the readl_be and writel_be accessors
which are required by BCM63xx for OHCI and EHCI support.
Let's define them globally for MIPS. This also fixes the
compilation of the bcm63xx defconfig against USB.

Signed-off-by: Florian Fainelli <ffainelli@freebox.fr>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Patchwork: http://patchwork.linux-mips.org/patch/793/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Florian Fainelli 2009-12-16 11:29:06 +01:00 committed by Ralf Baechle
parent 9df7d1647f
commit f868ba2972
1 changed files with 18 additions and 0 deletions
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18
arch/mips/include/asm/io.h
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@ -447,6 +447,24 @@ __BUILDIO(q, u64)
#define readl_relaxed readl
#define readq_relaxed readq
#define readb_be(addr) \
__raw_readb((__force unsigned *)(addr))
#define readw_be(addr) \
be16_to_cpu(__raw_readw((__force unsigned *)(addr)))
#define readl_be(addr) \
be32_to_cpu(__raw_readl((__force unsigned *)(addr)))
#define readq_be(addr) \
be64_to_cpu(__raw_readq((__force unsigned *)(addr)))
#define writeb_be(val, addr) \
__raw_writeb((val), (__force unsigned *)(addr))
#define writew_be(val, addr) \
__raw_writew(cpu_to_be16((val)), (__force unsigned *)(addr))
#define writel_be(val, addr) \
__raw_writel(cpu_to_be32((val)), (__force unsigned *)(addr))
#define writeq_be(val, addr) \
__raw_writeq(cpu_to_be64((val)), (__force unsigned *)(addr))
/*
* Some code tests for these symbols
*/