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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irq.c (875B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * linux/arch/sh/boards/se/7721/irq.c
      4 *
      5 * Copyright (C) 2008  Renesas Solutions Corp.
      6 */
      7#include <linux/init.h>
      8#include <linux/irq.h>
      9#include <linux/interrupt.h>
     10#include <linux/io.h>
     11#include <mach-se/mach/se7721.h>
     12
     13enum {
     14	UNUSED = 0,
     15
     16	/* board specific interrupt sources */
     17	MRSHPC,
     18};
     19
     20static struct intc_vect vectors[] __initdata = {
     21	INTC_IRQ(MRSHPC, MRSHPC_IRQ0),
     22};
     23
     24static struct intc_prio_reg prio_registers[] __initdata = {
     25	{ FPGA_ILSR6, 0, 8, 4, /* IRLMSK */
     26	  { 0, MRSHPC } },
     27};
     28
     29static DECLARE_INTC_DESC(intc_desc, "SE7721", vectors,
     30			 NULL, NULL, prio_registers, NULL);
     31
     32/*
     33 * Initialize IRQ setting
     34 */
     35void __init init_se7721_IRQ(void)
     36{
     37	/* PPCR */
     38	__raw_writew(__raw_readw(0xa4050118) & ~0x00ff, 0xa4050118);
     39
     40	register_intc_controller(&intc_desc);
     41	intc_set_priority(MRSHPC_IRQ0, 0xf - MRSHPC_IRQ0);
     42}