Commit 0150a3dd authored by Michael Ellerman's avatar Michael Ellerman Committed by Benjamin Herrenschmidt

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: default avatarMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent fb48dc22
...@@ -191,8 +191,24 @@ DEF_MMIO_OUT_D(out_le32, 32, stw); ...@@ -191,8 +191,24 @@ DEF_MMIO_OUT_D(out_le32, 32, stw);
#endif /* __BIG_ENDIAN */ #endif /* __BIG_ENDIAN */
/*
* Cache inhibitied accessors for use in real mode, you don't want to use these
* unless you know what you're doing.
*
* NB. These use the cpu byte ordering.
*/
DEF_MMIO_OUT_X(out_rm8, 8, stbcix);
DEF_MMIO_OUT_X(out_rm16, 16, sthcix);
DEF_MMIO_OUT_X(out_rm32, 32, stwcix);
DEF_MMIO_IN_X(in_rm8, 8, lbzcix);
DEF_MMIO_IN_X(in_rm16, 16, lhzcix);
DEF_MMIO_IN_X(in_rm32, 32, lwzcix);
#ifdef __powerpc64__ #ifdef __powerpc64__
DEF_MMIO_OUT_X(out_rm64, 64, stdcix);
DEF_MMIO_IN_X(in_rm64, 64, ldcix);
#ifdef __BIG_ENDIAN__ #ifdef __BIG_ENDIAN__
DEF_MMIO_OUT_D(out_be64, 64, std); DEF_MMIO_OUT_D(out_be64, 64, std);
DEF_MMIO_IN_D(in_be64, 64, ld); DEF_MMIO_IN_D(in_be64, 64, ld);
......
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