xref: /linux/arch/sh/kernel/cpu/sh4a/setup-sh7722.c (revision c537b994505099b7197e7d3125b942ecbcc51eb6)
1 /*
2  * SH7722 Setup
3  *
4  *  Copyright (C) 2006  Paul Mundt
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License.  See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #include <linux/platform_device.h>
11 #include <linux/init.h>
12 #include <linux/serial.h>
13 #include <asm/sci.h>
14 
15 static struct plat_sci_port sci_platform_data[] = {
16 	{
17 		.mapbase	= 0xffe00000,
18 		.flags		= UPF_BOOT_AUTOCONF,
19 		.type		= PORT_SCIF,
20 		.irqs		= { 80, 81, 83, 82 },
21 	}, {
22 		.flags = 0,
23 	}
24 };
25 
26 static struct platform_device sci_device = {
27 	.name		= "sh-sci",
28 	.id		= -1,
29 	.dev		= {
30 		.platform_data	= sci_platform_data,
31 	},
32 };
33 
34 static struct platform_device *sh7722_devices[] __initdata = {
35 	&sci_device,
36 };
37 
38 static int __init sh7722_devices_setup(void)
39 {
40 	return platform_add_devices(sh7722_devices,
41 				    ARRAY_SIZE(sh7722_devices));
42 }
43 __initcall(sh7722_devices_setup);
44 
45 static struct ipr_data sh7722_ipr_map[] = {
46 	/* IRQ, IPR-idx, shift, prio */
47 	{ 16, 0, 12, 2 }, /* TMU0 */
48 	{ 17, 0,  8, 2 }, /* TMU1 */
49 	{ 80, 6, 12, 3 }, /* SCIF ERI */
50 	{ 81, 6, 12, 3 }, /* SCIF RXI */
51 	{ 82, 6, 12, 3 }, /* SCIF BRI */
52 	{ 83, 6, 12, 3 }, /* SCIF TXI */
53 };
54 
55 static unsigned long ipr_offsets[] = {
56 	0xa4080000, /*  0: IPRA */
57 	0xa4080004, /*  1: IPRB */
58 	0xa4080008, /*  2: IPRC */
59 	0xa408000c, /*  3: IPRD */
60 	0xa4080010, /*  4: IPRE */
61 	0xa4080014, /*  5: IPRF */
62 	0xa4080018, /*  6: IPRG */
63 	0xa408001c, /*  7: IPRH */
64 	0xa4080020, /*  8: IPRI */
65 	0xa4080024, /*  9: IPRJ */
66 	0xa4080028, /* 10: IPRK */
67 	0xa408002c, /* 11: IPRL */
68 };
69 
70 unsigned int map_ipridx_to_addr(int idx)
71 {
72 	if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
73 		return 0;
74 	return ipr_offsets[idx];
75 }
76 
77 void __init init_IRQ_ipr(void)
78 {
79 	make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map));
80 }
81