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Commit 075bcf58 authored by Tony Breeds's avatar Tony Breeds Committed by Josh Boyer
Browse files

powerpc/boot: Add mfdcrx 



Needed for currituck support.

Signed-off-by: default avatarTony Breeds <tony@bakeyournoodle.com>
Signed-off-by: default avatarJosh Boyer <jwboyer@gmail.com>
parent e32a0329

arch/powerpc/boot/dcr.h

+6 −0
Original line number Diff line number Diff line
@@ -9,6 +9,12 @@ 
	})

#define mtdcr(rn, val) \

	asm volatile("mtdcr %0,%1" : : "i"(rn), "r"(val))

#define mfdcrx(rn) \

	({	\

		unsigned long rval; \

		asm volatile("mfdcrx %0,%1" : "=r"(rval) : "r"(rn)); \

		rval; \

	})



/* 440GP/440GX SDRAM controller DCRs */

#define DCRN_SDRAM0_CFGADDR				0x010