Signed-off-by: Tony Breeds <t...@bakeyournoodle.com> --- arch/powerpc/boot/dcr.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h index 645a7c9..51b5893 100644 --- a/arch/powerpc/boot/dcr.h +++ b/arch/powerpc/boot/dcr.h @@ -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) : "g"(rn)); \ + rval; \ + }) /* 440GP/440GX SDRAM controller DCRs */ #define DCRN_SDRAM0_CFGADDR 0x010 -- 1.7.6.4 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev