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-rw-r--r--src/northbridge/intel/fsp_sandybridge/Makefile.inc1
-rw-r--r--src/northbridge/intel/fsp_sandybridge/udelay.c51
-rw-r--r--src/northbridge/intel/sandybridge/Makefile.inc1
-rw-r--r--src/northbridge/intel/sandybridge/udelay.c71
4 files changed, 0 insertions, 124 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/Makefile.inc b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
index 2f9c43860e..2a4d9bdf9f 100644
--- a/src/northbridge/intel/fsp_sandybridge/Makefile.inc
+++ b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
@@ -29,7 +29,6 @@ romstage-y += early_init.c
romstage-y += report_platform.c
romstage-y += ../../../arch/x86/walkcbfs.S
-smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
CPPFLAGS_common += -I$(src)/northbridge/intel/fsp_sandybridge/fsp
diff --git a/src/northbridge/intel/fsp_sandybridge/udelay.c b/src/northbridge/intel/fsp_sandybridge/udelay.c
deleted file mode 100644
index 8f95595c12..0000000000
--- a/src/northbridge/intel/fsp_sandybridge/udelay.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2008 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <delay.h>
-#include <stdint.h>
-#include <cpu/x86/tsc.h>
-#include <cpu/x86/msr.h>
-
-/**
- * Intel SandyBridge/IvyBridge CPUs always run the TSC at BCLK = 100MHz
- */
-
-void udelay(u32 us)
-{
- u32 dword;
- tsc_t tsc, tsc1, tscd;
- msr_t msr;
- u32 fsb = 100, divisor;
- u32 d; /* ticks per us */
-
- msr = rdmsr(0xce);
- divisor = (msr.lo >> 8) & 0xff;
-
- d = fsb * divisor; /* On Core/Core2 this is divided by 4 */
- multiply_to_tsc(&tscd, us, d);
-
- tsc1 = rdtsc();
- dword = tsc1.lo + tscd.lo;
- if ((dword < tsc1.lo) || (dword < tscd.lo)) {
- tsc1.hi++;
- }
- tsc1.lo = dword;
- tsc1.hi += tscd.hi;
-
- do {
- tsc = rdtsc();
- } while ((tsc.hi < tsc1.hi)
- || ((tsc.hi == tsc1.hi) && (tsc.lo <= tsc1.lo)));
-}
diff --git a/src/northbridge/intel/sandybridge/Makefile.inc b/src/northbridge/intel/sandybridge/Makefile.inc
index a40fa157ef..846d31bd78 100644
--- a/src/northbridge/intel/sandybridge/Makefile.inc
+++ b/src/northbridge/intel/sandybridge/Makefile.inc
@@ -43,7 +43,6 @@ romstage-y += early_init.c
romstage-y += report_platform.c
romstage-y += ../../../arch/x86/walkcbfs.S
-smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
ifneq ($(CONFIG_CHROMEOS),y)
diff --git a/src/northbridge/intel/sandybridge/udelay.c b/src/northbridge/intel/sandybridge/udelay.c
deleted file mode 100644
index 7362f75bcc..0000000000
--- a/src/northbridge/intel/sandybridge/udelay.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2008 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <delay.h>
-#include <stdint.h>
-#include <cpu/x86/tsc.h>
-#include <cpu/x86/msr.h>
-
-/**
- * Intel Sandy Bridge/Ivy Bridge CPUs always run the TSC at BCLK=100MHz
- */
-
-void udelay(u32 us)
-{
- u32 dword;
- tsc_t tsc, tsc1, tscd;
- msr_t msr;
- u32 fsb = 100, divisor;
- u32 d; /* ticks per us */
-
- msr = rdmsr(0xce);
- divisor = (msr.lo >> 8) & 0xff;
-
- d = fsb * divisor; /* On Core/Core2 this is divided by 4 */
- multiply_to_tsc(&tscd, us, d);
-
- tsc1 = rdtsc();
- dword = tsc1.lo + tscd.lo;
- if ((dword < tsc1.lo) || (dword < tscd.lo)) {
- tsc1.hi++;
- }
- tsc1.lo = dword;
- tsc1.hi += tscd.hi;
-
- do {
- tsc = rdtsc();
- } while ((tsc.hi < tsc1.hi)
- || ((tsc.hi == tsc1.hi) && (tsc.lo < tsc1.lo)));
-}
-
-#if CONFIG_LAPIC_MONOTONIC_TIMER && !defined(__PRE_RAM__)
-#include <timer.h>
-
-void timer_monotonic_get(struct mono_time *mt)
-{
- tsc_t tsc;
- msr_t msr;
- u32 fsb = 100, divisor;
- u32 d; /* ticks per us */
-
- msr = rdmsr(0xce);
- divisor = (msr.lo >> 8) & 0xff;
- d = fsb * divisor; /* On Core/Core2 this is divided by 4 */
-
- tsc = rdtsc();
-
- mt->microseconds = (long)((((uint64_t)tsc.hi << 32) | tsc.lo) / d);
-}
-#endif