From 670027c507e99521d416994a18a498def9ef2ea3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Sat, 22 Oct 2016 19:31:08 -0300 Subject: Linux-libre 4.8.3-gnu --- arch/x86/platform/intel-mid/mrfl.c | 100 ------------------------------------- 1 file changed, 100 deletions(-) delete mode 100644 arch/x86/platform/intel-mid/mrfl.c (limited to 'arch/x86/platform/intel-mid/mrfl.c') diff --git a/arch/x86/platform/intel-mid/mrfl.c b/arch/x86/platform/intel-mid/mrfl.c deleted file mode 100644 index bd1adc621..000000000 --- a/arch/x86/platform/intel-mid/mrfl.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * mrfl.c: Intel Merrifield platform specific setup code - * - * (C) Copyright 2013 Intel Corporation - * - * 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. - */ - -#include - -#include -#include - -#include "intel_mid_weak_decls.h" - -static unsigned long __init tangier_calibrate_tsc(void) -{ - unsigned long fast_calibrate; - u32 lo, hi, ratio, fsb, bus_freq; - - /* *********************** */ - /* Compute TSC:Ratio * FSB */ - /* *********************** */ - - /* Compute Ratio */ - rdmsr(MSR_PLATFORM_INFO, lo, hi); - pr_debug("IA32 PLATFORM_INFO is 0x%x : %x\n", hi, lo); - - ratio = (lo >> 8) & 0xFF; - pr_debug("ratio is %d\n", ratio); - if (!ratio) { - pr_err("Read a zero ratio, force tsc ratio to 4 ...\n"); - ratio = 4; - } - - /* Compute FSB */ - rdmsr(MSR_FSB_FREQ, lo, hi); - pr_debug("Actual FSB frequency detected by SOC 0x%x : %x\n", - hi, lo); - - bus_freq = lo & 0x7; - pr_debug("bus_freq = 0x%x\n", bus_freq); - - if (bus_freq == 0) - fsb = FSB_FREQ_100SKU; - else if (bus_freq == 1) - fsb = FSB_FREQ_100SKU; - else if (bus_freq == 2) - fsb = FSB_FREQ_133SKU; - else if (bus_freq == 3) - fsb = FSB_FREQ_167SKU; - else if (bus_freq == 4) - fsb = FSB_FREQ_83SKU; - else if (bus_freq == 5) - fsb = FSB_FREQ_400SKU; - else if (bus_freq == 6) - fsb = FSB_FREQ_267SKU; - else if (bus_freq == 7) - fsb = FSB_FREQ_333SKU; - else { - BUG(); - pr_err("Invalid bus_freq! Setting to minimal value!\n"); - fsb = FSB_FREQ_100SKU; - } - - /* TSC = FSB Freq * Resolved HFM Ratio */ - fast_calibrate = ratio * fsb; - pr_debug("calculate tangier tsc %lu KHz\n", fast_calibrate); - - /* ************************************ */ - /* Calculate Local APIC Timer Frequency */ - /* ************************************ */ - lapic_timer_frequency = (fsb * 1000) / HZ; - - pr_debug("Setting lapic_timer_frequency = %d\n", - lapic_timer_frequency); - - /* mark tsc clocksource as reliable */ - set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE); - - return fast_calibrate; -} - -static void __init tangier_arch_setup(void) -{ - x86_platform.calibrate_tsc = tangier_calibrate_tsc; -} - -/* tangier arch ops */ -static struct intel_mid_ops tangier_ops = { - .arch_setup = tangier_arch_setup, -}; - -void *get_tangier_ops(void) -{ - return &tangier_ops; -} -- cgit v1.2.3