powerpc/powernv: Add PIO accessors for Power8 LPC bus
This uses the hooks provided by CONFIG_PPC_INDIRECT_PIO to
implement a set of hooks for IO port access to use the LPC
bus via OPAL calls for the first 64K of IO space
Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
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- arch/powerpc/include/asm/io.h 8 additions, 0 deletionsarch/powerpc/include/asm/io.h
- arch/powerpc/include/asm/opal.h 2 additions, 0 deletionsarch/powerpc/include/asm/opal.h
- arch/powerpc/kernel/io.c 3 additions, 0 deletionsarch/powerpc/kernel/io.c
- arch/powerpc/platforms/powernv/Kconfig 1 addition, 0 deletionsarch/powerpc/platforms/powernv/Kconfig
- arch/powerpc/platforms/powernv/Makefile 1 addition, 1 deletionarch/powerpc/platforms/powernv/Makefile
- arch/powerpc/platforms/powernv/opal-lpc.c 203 additions, 0 deletionsarch/powerpc/platforms/powernv/opal-lpc.c
- arch/powerpc/platforms/powernv/powernv.h 2 additions, 0 deletionsarch/powerpc/platforms/powernv/powernv.h
- arch/powerpc/platforms/powernv/setup.c 6 additions, 0 deletionsarch/powerpc/platforms/powernv/setup.c
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