cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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board-secureedge5410.c (1758B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
      4 * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
      5 *
      6 * Based on files with the following comments:
      7 *
      8 *           Copyright (C) 2000  Kazumoto Kojima
      9 *
     10 *           Modified for 7751 Solution Engine by
     11 *           Ian da Silva and Jeremy Siegel, 2001.
     12 */
     13#include <linux/init.h>
     14#include <linux/irq.h>
     15#include <linux/interrupt.h>
     16#include <linux/timer.h>
     17#include <linux/delay.h>
     18#include <linux/sched.h>
     19#include <asm/machvec.h>
     20#include <mach/secureedge5410.h>
     21#include <asm/irq.h>
     22#include <asm/io.h>
     23#include <cpu/timer.h>
     24
     25unsigned short secureedge5410_ioport;
     26
     27/*
     28 * EraseConfig handling functions
     29 */
     30static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
     31{
     32	printk("SnapGear: erase switch interrupt!\n");
     33
     34	return IRQ_HANDLED;
     35}
     36
     37static int __init eraseconfig_init(void)
     38{
     39	unsigned int irq = evt2irq(0x240);
     40
     41	printk("SnapGear: EraseConfig init\n");
     42
     43	/* Setup "EraseConfig" switch on external IRQ 0 */
     44	if (request_irq(irq, eraseconfig_interrupt, 0, "Erase Config", NULL))
     45		printk("SnapGear: failed to register IRQ%d for Reset witch\n",
     46				irq);
     47	else
     48		printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
     49				irq);
     50	return 0;
     51}
     52device_initcall(eraseconfig_init);
     53
     54/*
     55 * Initialize IRQ setting
     56 *
     57 * IRL0 = erase switch
     58 * IRL1 = eth0
     59 * IRL2 = eth1
     60 * IRL3 = crypto
     61 */
     62static void __init init_snapgear_IRQ(void)
     63{
     64	printk("Setup SnapGear IRQ/IPR ...\n");
     65	/* enable individual interrupt mode for externals */
     66	plat_irq_setup_pins(IRQ_MODE_IRQ);
     67}
     68
     69/*
     70 * The Machine Vector
     71 */
     72static struct sh_machine_vector mv_snapgear __initmv = {
     73	.mv_name		= "SnapGear SecureEdge5410",
     74	.mv_init_irq		= init_snapgear_IRQ,
     75};