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Based on 1 normalized pattern(s): 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 either version 2 of the license or at your option any later version 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 you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* arch/arm/mach-ks8695/cpu.c
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*
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* Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
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* Copyright (C) 2006 Simtec Electronics
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*
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* KS8695 CPU support
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include "regs-sys.h"
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#include <mach/regs-misc.h>
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static struct map_desc ks8695_io_desc[] __initdata = {
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{
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.virtual = (unsigned long)KS8695_IO_VA,
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.pfn = __phys_to_pfn(KS8695_IO_PA),
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.length = KS8695_IO_SIZE,
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.type = MT_DEVICE,
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}
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};
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static void __init ks8695_processor_info(void)
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{
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unsigned long id, rev;
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id = __raw_readl(KS8695_MISC_VA + KS8695_DID);
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rev = __raw_readl(KS8695_MISC_VA + KS8695_RID);
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printk("KS8695 ID=%04lx SubID=%02lx Revision=%02lx\n", (id & DID_ID), (rev & RID_SUBID), (rev & RID_REVISION));
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}
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static unsigned int sysclk[8] = { 125000000, 100000000, 62500000, 50000000, 41700000, 33300000, 31300000, 25000000 };
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static unsigned int cpuclk[8] = { 166000000, 166000000, 83000000, 83000000, 55300000, 55300000, 41500000, 41500000 };
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static void __init ks8695_clock_info(void)
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{
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unsigned int scdc = __raw_readl(KS8695_SYS_VA + KS8695_CLKCON) & CLKCON_SCDC;
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printk("Clocks: System %u MHz, CPU %u MHz\n",
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sysclk[scdc] / 1000000, cpuclk[scdc] / 1000000);
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}
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void __init ks8695_map_io(void)
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{
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iotable_init(ks8695_io_desc, ARRAY_SIZE(ks8695_io_desc));
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ks8695_processor_info();
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ks8695_clock_info();
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}
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