1/*
 2 * Renesas Solutions Highlander R7780MP Support.
 3 *
 4 * Copyright (C) 2002  Atom Create Engineering Co., Ltd.
 5 * Copyright (C) 2006  Paul Mundt
 6 * Copyright (C) 2007  Magnus Damm
 7 *
 8 * This file is subject to the terms and conditions of the GNU General Public
 9 * License.  See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/init.h>
13#include <linux/irq.h>
14#include <linux/io.h>
15#include <mach/highlander.h>
16
17enum {
18	UNUSED = 0,
19
20	/* board specific interrupt sources */
21	CF,		/* Compact Flash */
22	TP,		/* Touch panel */
23	SCIF1,		/* FPGA SCIF1 */
24	SCIF0,		/* FPGA SCIF0 */
25	SMBUS,		/* SMBUS */
26	RTC,		/* RTC Alarm */
27	AX88796,	/* Ethernet controller */
28	PSW,		/* Push Switch */
29
30	/* external bus connector */
31	EXT1, EXT2, EXT4, EXT5, EXT6,
32};
33
34static struct intc_vect vectors[] __initdata = {
35	INTC_IRQ(CF, IRQ_CF),
36	INTC_IRQ(TP, IRQ_TP),
37	INTC_IRQ(SCIF1, IRQ_SCIF1),
38	INTC_IRQ(SCIF0, IRQ_SCIF0),
39	INTC_IRQ(SMBUS, IRQ_SMBUS),
40	INTC_IRQ(RTC, IRQ_RTC),
41	INTC_IRQ(AX88796, IRQ_AX88796),
42	INTC_IRQ(PSW, IRQ_PSW),
43
44	INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2),
45	INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
46	INTC_IRQ(EXT6, IRQ_EXT6),
47};
48
49static struct intc_mask_reg mask_registers[] __initdata = {
50	{ 0xa4000000, 0, 16, /* IRLMSK */
51	  { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
52	    0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } },
53};
54
55static unsigned char irl2irq[HL_NR_IRL] __initdata = {
56	0, IRQ_CF, IRQ_TP, IRQ_SCIF1,
57	IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6,
58	IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1,
59	0, IRQ_AX88796, IRQ_PSW,
60};
61
62static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
63			 NULL, mask_registers, NULL, NULL);
64
65unsigned char * __init highlander_plat_irq_setup(void)
66{
67	if ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) {
68		printk(KERN_INFO "Using r7780mp interrupt controller.\n");
69		register_intc_controller(&intc_desc);
70		return irl2irq;
71	}
72
73	return NULL;
74}

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Renesas Solutions Highlander R7780MP Support.
 4 *
 5 * Copyright (C) 2002  Atom Create Engineering Co., Ltd.
 6 * Copyright (C) 2006  Paul Mundt
 7 * Copyright (C) 2007  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	CF,		/* Compact Flash */
19	TP,		/* Touch panel */
20	SCIF1,		/* FPGA SCIF1 */
21	SCIF0,		/* FPGA SCIF0 */
22	SMBUS,		/* SMBUS */
23	RTC,		/* RTC Alarm */
24	AX88796,	/* Ethernet controller */
25	PSW,		/* Push Switch */
26
27	/* external bus connector */
28	EXT1, EXT2, EXT4, EXT5, EXT6,
29};
30
31static struct intc_vect vectors[] __initdata = {
32	INTC_IRQ(CF, IRQ_CF),
33	INTC_IRQ(TP, IRQ_TP),
34	INTC_IRQ(SCIF1, IRQ_SCIF1),
35	INTC_IRQ(SCIF0, IRQ_SCIF0),
36	INTC_IRQ(SMBUS, IRQ_SMBUS),
37	INTC_IRQ(RTC, IRQ_RTC),
38	INTC_IRQ(AX88796, IRQ_AX88796),
39	INTC_IRQ(PSW, IRQ_PSW),
40
41	INTC_IRQ(EXT1, IRQ_EXT1), INTC_IRQ(EXT2, IRQ_EXT2),
42	INTC_IRQ(EXT4, IRQ_EXT4), INTC_IRQ(EXT5, IRQ_EXT5),
43	INTC_IRQ(EXT6, IRQ_EXT6),
44};
45
46static struct intc_mask_reg mask_registers[] __initdata = {
47	{ 0xa4000000, 0, 16, /* IRLMSK */
48	  { SCIF0, SCIF1, RTC, 0, CF, 0, TP, SMBUS,
49	    0, EXT6, EXT5, EXT4, EXT2, EXT1, PSW, AX88796 } },
50};
51
52static unsigned char irl2irq[HL_NR_IRL] __initdata = {
53	0, IRQ_CF, IRQ_TP, IRQ_SCIF1,
54	IRQ_SCIF0, IRQ_SMBUS, IRQ_RTC, IRQ_EXT6,
55	IRQ_EXT5, IRQ_EXT4, IRQ_EXT2, IRQ_EXT1,
56	0, IRQ_AX88796, IRQ_PSW,
57};
58
59static DECLARE_INTC_DESC(intc_desc, "r7780mp", vectors,
60			 NULL, mask_registers, NULL, NULL);
61
62unsigned char * __init highlander_plat_irq_setup(void)
63{
64	if ((__raw_readw(0xa4000700) & 0xf000) == 0x2000) {
65		printk(KERN_INFO "Using r7780mp interrupt controller.\n");
66		register_intc_controller(&intc_desc);
67		return irl2irq;
68	}
69
70	return NULL;
71}