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powerpc: Add real mode cache inhibited IO accessors
These accessors allow us to do cache inhibited accesses when in real mode. They should only be used in real mode. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -191,8 +191,24 @@ DEF_MMIO_OUT_D(out_le32, 32, stw);
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#endif /* __BIG_ENDIAN */
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#endif /* __BIG_ENDIAN */
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/*
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* Cache inhibitied accessors for use in real mode, you don't want to use these
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* unless you know what you're doing.
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*
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* NB. These use the cpu byte ordering.
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*/
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DEF_MMIO_OUT_X(out_rm8, 8, stbcix);
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DEF_MMIO_OUT_X(out_rm16, 16, sthcix);
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DEF_MMIO_OUT_X(out_rm32, 32, stwcix);
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DEF_MMIO_IN_X(in_rm8, 8, lbzcix);
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DEF_MMIO_IN_X(in_rm16, 16, lhzcix);
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DEF_MMIO_IN_X(in_rm32, 32, lwzcix);
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#ifdef __powerpc64__
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#ifdef __powerpc64__
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DEF_MMIO_OUT_X(out_rm64, 64, stdcix);
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DEF_MMIO_IN_X(in_rm64, 64, ldcix);
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#ifdef __BIG_ENDIAN__
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#ifdef __BIG_ENDIAN__
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DEF_MMIO_OUT_D(out_be64, 64, std);
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DEF_MMIO_OUT_D(out_be64, 64, std);
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DEF_MMIO_IN_D(in_be64, 64, ld);
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DEF_MMIO_IN_D(in_be64, 64, ld);
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