From 86b299ab35f047ecc7202cc65283419470a0598d Mon Sep 17 00:00:00 2001 From: Felix Held Date: Sun, 29 Jul 2018 01:03:39 +0200 Subject: northbridge/nehalem: add MCHBAR AND/OR/AND_OR macros The newly added macros are used for cleaning up the RAM initializatiion code. Change-Id: I3d3782ee1fa524cf69b63ccc7eb73e9a2ace84ec Signed-off-by: Felix Held Reviewed-on: https://review.coreboot.org/27705 Tested-by: build bot (Jenkins) Reviewed-by: Arthur Heymans --- src/northbridge/intel/nehalem/nehalem.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/northbridge') diff --git a/src/northbridge/intel/nehalem/nehalem.h b/src/northbridge/intel/nehalem/nehalem.h index afb3c7dd77..bc49e96ade 100644 --- a/src/northbridge/intel/nehalem/nehalem.h +++ b/src/northbridge/intel/nehalem/nehalem.h @@ -175,7 +175,14 @@ typedef struct { #define MCHBAR8(x) (*((volatile u8 *)(DEFAULT_MCHBAR + (x)))) #define MCHBAR16(x) (*((volatile u16 *)(DEFAULT_MCHBAR + (x)))) #define MCHBAR32(x) (*((volatile u32 *)(DEFAULT_MCHBAR + (x)))) -#define MCHBAR32_OR(x, or) (MCHBAR32(x) = (MCHBAR32(x) | (or))) +#define MCHBAR8_AND(x, and) (MCHBAR8(x) = MCHBAR8(x) & (and)) +#define MCHBAR8_OR(x, or) (MCHBAR8(x) = MCHBAR8(x) | (or)) +#define MCHBAR16_AND(x, and) (MCHBAR16(x) = MCHBAR16(x) & (and)) +#define MCHBAR16_OR(x, or) (MCHBAR16(x) = MCHBAR16(x) | (or)) +#define MCHBAR32_AND(x, and) (MCHBAR32(x) = MCHBAR32(x) & (and)) +#define MCHBAR32_OR(x, or) (MCHBAR32(x) = MCHBAR32(x) | (or)) +#define MCHBAR32_AND_OR(x, and, or) \ + (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or)) #define BIOS_RESET_CPL 0x5da8 /* 8bit */ -- cgit v1.2.3