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>
34 lines
927 B
C
34 lines
927 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include <cpu/x86/msr.h>
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#include <cpu/amd/msr.h>
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#include <cpu/x86/tsc.h>
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#include <console/console.h>
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#include <soc/pci_devs.h>
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#include <device/pci_ops.h>
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unsigned long tsc_freq_mhz(void)
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{
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msr_t msr;
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uint8_t cpufid;
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uint8_t cpudid;
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uint8_t boost_states;
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/*
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* See the Family 15h Models 70h-7Fh BKDG (PID 55072) definition for
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* MSR0000_0010. The TSC increments at the P0 frequency. According
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* to the "Software P-state Numbering" section, P0 is the highest
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* non-boosted state. freq = 100MHz * (CpuFid + 10h) / (2^(CpuDid)).
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*/
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boost_states = (pci_read_config32(SOC_PM_DEV, CORE_PERF_BOOST_CTRL)
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>> 2) & 0x7;
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msr = rdmsr(PSTATE_0_MSR + boost_states);
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if (!(msr.hi & 0x80000000))
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die("Unknown error: cannot determine P-state 0\n");
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cpufid = (msr.lo & 0x3f);
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cpudid = (msr.lo & 0x1c0) >> 6;
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return (100 * (cpufid + 0x10)) / (0x01 << cpudid);
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}
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