1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Renesas Solutions Highlander R7780RP-1 Support.
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
6*4882a593Smuzhiyun * Copyright (C) 2006 Paul Mundt
7*4882a593Smuzhiyun * Copyright (C) 2008 Magnus Damm
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun #include <linux/init.h>
10*4882a593Smuzhiyun #include <linux/irq.h>
11*4882a593Smuzhiyun #include <linux/io.h>
12*4882a593Smuzhiyun #include <mach/highlander.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun enum {
15*4882a593Smuzhiyun UNUSED = 0,
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun /* board specific interrupt sources */
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun AX88796, /* Ethernet controller */
20*4882a593Smuzhiyun PSW, /* Push Switch */
21*4882a593Smuzhiyun CF, /* Compact Flash */
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun PCI_A,
24*4882a593Smuzhiyun PCI_B,
25*4882a593Smuzhiyun PCI_C,
26*4882a593Smuzhiyun PCI_D,
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun static struct intc_vect vectors[] __initdata = {
30*4882a593Smuzhiyun INTC_IRQ(PCI_A, 65), /* dirty: overwrite cpu vectors for pci */
31*4882a593Smuzhiyun INTC_IRQ(PCI_B, 66),
32*4882a593Smuzhiyun INTC_IRQ(PCI_C, 67),
33*4882a593Smuzhiyun INTC_IRQ(PCI_D, 68),
34*4882a593Smuzhiyun INTC_IRQ(CF, IRQ_CF),
35*4882a593Smuzhiyun INTC_IRQ(PSW, IRQ_PSW),
36*4882a593Smuzhiyun INTC_IRQ(AX88796, IRQ_AX88796),
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun static struct intc_mask_reg mask_registers[] __initdata = {
40*4882a593Smuzhiyun { 0xa5000000, 0, 16, /* IRLMSK */
41*4882a593Smuzhiyun { PCI_A, PCI_B, PCI_C, PCI_D, CF, 0, 0, 0,
42*4882a593Smuzhiyun 0, 0, 0, 0, 0, 0, PSW, AX88796 } },
43*4882a593Smuzhiyun };
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun static unsigned char irl2irq[HL_NR_IRL] __initdata = {
46*4882a593Smuzhiyun 65, 66, 67, 68,
47*4882a593Smuzhiyun IRQ_CF, 0, 0, 0,
48*4882a593Smuzhiyun 0, 0, 0, 0,
49*4882a593Smuzhiyun IRQ_AX88796, IRQ_PSW
50*4882a593Smuzhiyun };
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun static DECLARE_INTC_DESC(intc_desc, "r7780rp", vectors,
53*4882a593Smuzhiyun NULL, mask_registers, NULL, NULL);
54*4882a593Smuzhiyun
highlander_plat_irq_setup(void)55*4882a593Smuzhiyun unsigned char * __init highlander_plat_irq_setup(void)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun if (__raw_readw(0xa5000600)) {
58*4882a593Smuzhiyun printk(KERN_INFO "Using r7780rp interrupt controller.\n");
59*4882a593Smuzhiyun register_intc_controller(&intc_desc);
60*4882a593Smuzhiyun return irl2irq;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun return NULL;
64*4882a593Smuzhiyun }
65