From ff8473e90a018c2bb19a196176c1f2e9602d6354 Mon Sep 17 00:00:00 2001 From: Sandeep Gopalpet Date: Fri, 12 Mar 2010 10:45:02 +0530 Subject: 85xx: Set HID1[mbdd] on e500v2 rev5.0 or greater The HID1[MBDD] bit is new on rev5.0 or greater cores and will optimize the performance of mbar/eieio instructions. Signed-off-by: Sandeep Gopalpet --- include/asm-ppc/processor.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h index 2b027747155..9ec319ae170 100644 --- a/include/asm-ppc/processor.h +++ b/include/asm-ppc/processor.h @@ -265,6 +265,7 @@ #define HID1_RFXE (1<<17) /* Read Fault Exception Enable */ #define HID1_ASTME (1<<13) /* Address bus streaming mode */ #define HID1_ABE (1<<12) /* Address broadcast enable */ +#define HID1_MBDD (1<<6) /* optimized sync instruction */ #define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */ #ifndef CONFIG_BOOKE #define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */ -- cgit v1.3.1