6b5bc77c9b
Stefan thinks they don't add value. Command used: sed -i -e '/file is part of /d' $(git grep "file is part of " |egrep ":( */\*.*\*/\$|#|;#|-- | *\* )" | cut -d: -f1 |grep -v crossgcc |grep -v gcov | grep -v /elf.h |grep -v nvramtool) The exceptions are for: - crossgcc (patch file) - gcov (imported from gcc) - elf.h (imported from GNU's libc) - nvramtool (more complicated header) The removed lines are: - fmt.Fprintln(f, "/* This file is part of the coreboot project. */") -# This file is part of a set of unofficial pre-commit hooks available -/* This file is part of coreboot */ -# This file is part of msrtool. -/* This file is part of msrtool. */ - * This file is part of ncurses, designed to be appended after curses.h.in -/* This file is part of pgtblgen. */ - * This file is part of the coreboot project. - /* This file is part of the coreboot project. */ -# This file is part of the coreboot project. -# This file is part of the coreboot project. -## This file is part of the coreboot project. --- This file is part of the coreboot project. -/* This file is part of the coreboot project */ -/* This file is part of the coreboot project. */ -;## This file is part of the coreboot project. -# This file is part of the coreboot project. It originated in the - * This file is part of the coreinfo project. -## This file is part of the coreinfo project. - * This file is part of the depthcharge project. -/* This file is part of the depthcharge project. */ -/* This file is part of the ectool project. */ - * This file is part of the GNU C Library. - * This file is part of the libpayload project. -## This file is part of the libpayload project. -/* This file is part of the Linux kernel. */ -## This file is part of the superiotool project. -/* This file is part of the superiotool project */ -/* This file is part of uio_usbdebug */ Change-Id: I82d872b3b337388c93d5f5bf704e9ee9e53ab3a9 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41194 Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
30 lines
603 B
C
30 lines
603 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
#include <cpu/x86/msr.h>
|
|
#include <cpu/amd/msr.h>
|
|
#include <cpu/x86/tsc.h>
|
|
#include <console/console.h>
|
|
|
|
static unsigned long mhz;
|
|
|
|
unsigned long tsc_freq_mhz(void)
|
|
{
|
|
msr_t msr;
|
|
uint8_t cpufid;
|
|
uint8_t cpudid;
|
|
uint8_t high_state;
|
|
|
|
if (mhz)
|
|
return mhz;
|
|
|
|
high_state = rdmsr(PS_LIM_REG).lo & 0x7;
|
|
msr = rdmsr(PSTATE_0_MSR + high_state);
|
|
if (!(msr.hi & 0x80000000))
|
|
die("Unknown error: cannot determine P-state 0\n");
|
|
|
|
cpufid = (msr.lo & 0x3f);
|
|
cpudid = (msr.lo & 0x1c0) >> 6;
|
|
|
|
mhz = (100 * (cpufid + 0x10)) / (0x01 << cpudid);
|
|
return mhz;
|
|
}
|