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-r7780rp.c (1446B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Renesas Solutions Highlander R7780RP-1 Support.
      4 *
      5 * Copyright (C) 2002  Atom Create Engineering Co., Ltd.
      6 * Copyright (C) 2006  Paul Mundt
      7 * Copyright (C) 2008  Magnus Damm
      8 */
      9#include <linux/init.h>
     10#include <linux/irq.h>
     11#include <linux/io.h>
     12#include <mach/highlander.h>
     13
     14enum {
     15	UNUSED = 0,
     16
     17	/* board specific interrupt sources */
     18
     19	AX88796,          /* Ethernet controller */
     20	PSW,              /* Push Switch */
     21	CF,               /* Compact Flash */
     22
     23	PCI_A,
     24	PCI_B,
     25	PCI_C,
     26	PCI_D,
     27};
     28
     29static struct intc_vect vectors[] __initdata = {
     30	INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */
     31	INTC_IRQ(PCI_B, 66),
     32	INTC_IRQ(PCI_C, 67),
     33	INTC_IRQ(PCI_D, 68),
     34	INTC_IRQ(CF, IRQ_CF),
     35	INTC_IRQ(PSW, IRQ_PSW),
     36	INTC_IRQ(AX88796, IRQ_AX88796),
     37};
     38
     39static struct intc_mask_reg mask_registers[] __initdata = {
     40	{ 0xa5000000, 0, 16, /* IRLMSK */
     41	  { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0,
     42	    0, 0, 0, 0, 0, 0, PSW, AX88796 } },
     43};
     44
     45static unsigned char irl2irq[HL_NR_IRL] __initdata = {
     46	65, 66, 67, 68,
     47	IRQ_CF, 0, 0, 0,
     48	0, 0, 0, 0,
     49	IRQ_AX88796, IRQ_PSW
     50};
     51
     52static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
     53			 NULL, mask_registers, NULL, NULL);
     54
     55unsigned char * __init highlander_plat_irq_setup(void)
     56{
     57	if (__raw_readw(0xa5000600)) {
     58		printk(KERN_INFO "Using r7780rp interrupt controller.\n");
     59		register_intc_controller(&intc_desc);
     60		return irl2irq;
     61	}
     62
     63	return NULL;
     64}