• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/kernel/cpu/sh3/
1/*
2 * SH7705 Setup
3 *
4 *  Copyright (C) 2006 - 2009  Paul Mundt
5 *  Copyright (C) 2007  Nobuhiro Iwamatsu
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License.  See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */
11#include <linux/platform_device.h>
12#include <linux/init.h>
13#include <linux/irq.h>
14#include <linux/serial.h>
15#include <linux/serial_sci.h>
16#include <linux/sh_timer.h>
17#include <asm/rtc.h>
18
19enum {
20	UNUSED = 0,
21
22	/* interrupt sources */
23	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
24	PINT07, PINT815,
25
26	DMAC, SCIF0, SCIF2, ADC_ADI, USB,
27
28	TPU0, TPU1, TPU2, TPU3,
29	TMU0, TMU1, TMU2,
30
31	RTC, WDT, REF_RCMI,
32};
33
34static struct intc_vect vectors[] __initdata = {
35	/* IRQ0->5 are handled in setup-sh3.c */
36	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
37	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
38	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
39	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
40	INTC_VECT(SCIF0, 0x8e0),
41	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
42	INTC_VECT(SCIF2, 0x960),
43	INTC_VECT(ADC_ADI, 0x980),
44	INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
45	INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
46	INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
47	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
48	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
49	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
50	INTC_VECT(RTC, 0x4c0),
51	INTC_VECT(WDT, 0x560),
52	INTC_VECT(REF_RCMI, 0x580),
53};
54
55static struct intc_prio_reg prio_registers[] __initdata = {
56	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
57	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
58	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
59	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
60	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
61	{ 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
62	{ 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
63	{ 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
64
65};
66
67static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
68			 NULL, prio_registers, NULL);
69
70static struct plat_sci_port scif0_platform_data = {
71	.mapbase	= 0xa4410000,
72	.flags		= UPF_BOOT_AUTOCONF,
73	.type		= PORT_SCIF,
74	.irqs		= { 56, 56, 56 },
75};
76
77static struct platform_device scif0_device = {
78	.name		= "sh-sci",
79	.id		= 0,
80	.dev		= {
81		.platform_data	= &scif0_platform_data,
82	},
83};
84
85static struct plat_sci_port scif1_platform_data = {
86	.mapbase	= 0xa4400000,
87	.flags		= UPF_BOOT_AUTOCONF,
88	.type		= PORT_SCIF,
89	.irqs		= { 52, 52, 52 },
90};
91
92static struct platform_device scif1_device = {
93	.name		= "sh-sci",
94	.id		= 1,
95	.dev		= {
96		.platform_data	= &scif1_platform_data,
97	},
98};
99
100static struct resource rtc_resources[] = {
101	[0] =	{
102		.start	= 0xfffffec0,
103		.end	= 0xfffffec0 + 0x1e,
104		.flags  = IORESOURCE_IO,
105	},
106	[1] =	{
107		.start  = 20,
108		.flags	= IORESOURCE_IRQ,
109	},
110};
111
112static struct sh_rtc_platform_info rtc_info = {
113	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
114};
115
116static struct platform_device rtc_device = {
117	.name		= "sh-rtc",
118	.id		= -1,
119	.num_resources	= ARRAY_SIZE(rtc_resources),
120	.resource	= rtc_resources,
121	.dev		= {
122		.platform_data = &rtc_info,
123	},
124};
125
126static struct sh_timer_config tmu0_platform_data = {
127	.channel_offset = 0x02,
128	.timer_bit = 0,
129	.clockevent_rating = 200,
130};
131
132static struct resource tmu0_resources[] = {
133	[0] = {
134		.start	= 0xfffffe94,
135		.end	= 0xfffffe9f,
136		.flags	= IORESOURCE_MEM,
137	},
138	[1] = {
139		.start	= 16,
140		.flags	= IORESOURCE_IRQ,
141	},
142};
143
144static struct platform_device tmu0_device = {
145	.name		= "sh_tmu",
146	.id		= 0,
147	.dev = {
148		.platform_data	= &tmu0_platform_data,
149	},
150	.resource	= tmu0_resources,
151	.num_resources	= ARRAY_SIZE(tmu0_resources),
152};
153
154static struct sh_timer_config tmu1_platform_data = {
155	.channel_offset = 0xe,
156	.timer_bit = 1,
157	.clocksource_rating = 200,
158};
159
160static struct resource tmu1_resources[] = {
161	[0] = {
162		.start	= 0xfffffea0,
163		.end	= 0xfffffeab,
164		.flags	= IORESOURCE_MEM,
165	},
166	[1] = {
167		.start	= 17,
168		.flags	= IORESOURCE_IRQ,
169	},
170};
171
172static struct platform_device tmu1_device = {
173	.name		= "sh_tmu",
174	.id		= 1,
175	.dev = {
176		.platform_data	= &tmu1_platform_data,
177	},
178	.resource	= tmu1_resources,
179	.num_resources	= ARRAY_SIZE(tmu1_resources),
180};
181
182static struct sh_timer_config tmu2_platform_data = {
183	.channel_offset = 0x1a,
184	.timer_bit = 2,
185};
186
187static struct resource tmu2_resources[] = {
188	[0] = {
189		.start	= 0xfffffeac,
190		.end	= 0xfffffebb,
191		.flags	= IORESOURCE_MEM,
192	},
193	[1] = {
194		.start	= 18,
195		.flags	= IORESOURCE_IRQ,
196	},
197};
198
199static struct platform_device tmu2_device = {
200	.name		= "sh_tmu",
201	.id		= 2,
202	.dev = {
203		.platform_data	= &tmu2_platform_data,
204	},
205	.resource	= tmu2_resources,
206	.num_resources	= ARRAY_SIZE(tmu2_resources),
207};
208
209static struct platform_device *sh7705_devices[] __initdata = {
210	&scif0_device,
211	&scif1_device,
212	&tmu0_device,
213	&tmu1_device,
214	&tmu2_device,
215	&rtc_device,
216};
217
218static int __init sh7705_devices_setup(void)
219{
220	return platform_add_devices(sh7705_devices,
221				    ARRAY_SIZE(sh7705_devices));
222}
223arch_initcall(sh7705_devices_setup);
224
225static struct platform_device *sh7705_early_devices[] __initdata = {
226	&scif0_device,
227	&scif1_device,
228	&tmu0_device,
229	&tmu1_device,
230	&tmu2_device,
231};
232
233void __init plat_early_device_setup(void)
234{
235	early_platform_add_devices(sh7705_early_devices,
236				   ARRAY_SIZE(sh7705_early_devices));
237}
238
239void __init plat_irq_setup(void)
240{
241	register_intc_controller(&intc_desc);
242	plat_irq_setup_sh3();
243}
244