From 99035650aaf4efe579cab0a6dd4aac2b0288f874 Mon Sep 17 00:00:00 2001 From: Felix Held Date: Sun, 26 Jan 2020 01:02:00 +0100 Subject: nb/intel/sandybridge: improve indexed register helper macros Replace the multiplications with corresponding shifts, so that it's easier to see at which bit offsets the values get assigned. Change-Id: I0b0d5172394ff65edfe57bdad474631938e58872 Signed-off-by: Felix Held Reviewed-on: https://review.coreboot.org/c/coreboot/+/38577 Tested-by: build bot (Jenkins) Reviewed-by: HAOUAS Elyes Reviewed-by: Patrick Rudolph Reviewed-by: Angel Pons --- src/northbridge/intel/sandybridge/sandybridge.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'src/northbridge') diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h index f5c1e415c7..ffc1d9f7fa 100644 --- a/src/northbridge/intel/sandybridge/sandybridge.h +++ b/src/northbridge/intel/sandybridge/sandybridge.h @@ -128,11 +128,11 @@ enum platform_type { #define MCHBAR32_AND_OR(x, and, or) (MCHBAR32(x) = (MCHBAR32(x) & (and)) | (or)) /* Indexed register helper macros */ -#define Gz(r, z) ((r) + ((z) * 0x100)) -#define Ly(r, y) ((r) + ((y) * 4)) -#define Cx(r, x) ((r) + ((x) * 0x400)) -#define CxLy(r, x, y) ((r) + ((x) * 0x400) + ((y) * 4)) -#define GzLy(r, z, y) ((r) + ((z) * 0x100) + ((y) * 4)) +#define Gz(r, z) ((r) + ((z) << 8)) +#define Ly(r, y) ((r) + ((y) << 2)) +#define Cx(r, x) ((r) + ((x) << 10)) +#define CxLy(r, x, y) ((r) + ((x) << 10) + ((y) << 2)) +#define GzLy(r, z, y) ((r) + ((z) << 8) + ((y) << 2)) /* byte lane training register base addresses */ #define LANEBASE_B0 0x0000 -- cgit v1.2.3