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nb/intel/gm45: Use macro instead of magic number 

Change-Id: I5caa6163e5471feda170600c21320821f4286c65
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29254
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Elyes HAOUAS 2018-10-24 16:24:44 +02:00 committed by Patrick Georgi
parent 523d669153
commit f33e835a06
1 changed files with 3 additions and 2 deletions
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5
src/northbridge/intel/gm45/pm.c
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@ -20,8 +20,8 @@
#include <arch/io.h>
#include <device/pci_def.h>
#include <device/pnp_def.h>
#include <console/console.h>
#include <cpu/x86/msr.h>
#include <cpu/intel/speedstep.h>
#include "gm45.h"
@ -268,7 +268,8 @@ void init_pm(const sysinfo_t *const sysinfo, int do_freq_scaling_cfg)
MCHBAR32(0x94) |= 3 << 22;
}
const int cpu_supports_super_lfm = rdmsr(0xee).lo & (1 << 27);
const int cpu_supports_super_lfm =
rdmsr(MSR_EXTENDED_CONFIG).lo & (1 << 27);
if ((stepping >= STEPPING_B0) && cpu_supports_super_lfm) {
MCHBAR16(CLKCFG_MCHBAR) &= ~(1 << 7);
MCHBAR16(CLKCFG_MCHBAR) |= 1 << 14;