xref: /openbmc/linux/arch/sh/kernel/cpu/sh3/setup-sh7705.c (revision 1ab142d4)
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 #include <cpu/serial.h>
19 
20 enum {
21 	UNUSED = 0,
22 
23 	/* interrupt sources */
24 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
25 	PINT07, PINT815,
26 
27 	DMAC, SCIF0, SCIF2, ADC_ADI, USB,
28 
29 	TPU0, TPU1, TPU2, TPU3,
30 	TMU0, TMU1, TMU2,
31 
32 	RTC, WDT, REF_RCMI,
33 };
34 
35 static struct intc_vect vectors[] __initdata = {
36 	/* IRQ0->5 are handled in setup-sh3.c */
37 	INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
38 	INTC_VECT(DMAC, 0x800), INTC_VECT(DMAC, 0x820),
39 	INTC_VECT(DMAC, 0x840), INTC_VECT(DMAC, 0x860),
40 	INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
41 	INTC_VECT(SCIF0, 0x8e0),
42 	INTC_VECT(SCIF2, 0x900), INTC_VECT(SCIF2, 0x920),
43 	INTC_VECT(SCIF2, 0x960),
44 	INTC_VECT(ADC_ADI, 0x980),
45 	INTC_VECT(USB, 0xa20), INTC_VECT(USB, 0xa40),
46 	INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
47 	INTC_VECT(TPU2, 0xc80), INTC_VECT(TPU3, 0xca0),
48 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
49 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
50 	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
51 	INTC_VECT(RTC, 0x4c0),
52 	INTC_VECT(WDT, 0x560),
53 	INTC_VECT(REF_RCMI, 0x580),
54 };
55 
56 static struct intc_prio_reg prio_registers[] __initdata = {
57 	{ 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
58 	{ 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
59 	{ 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
60 	{ 0xa4000018, 0, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ5, IRQ4 } },
61 	{ 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
62 	{ 0xa4080000, 0, 16, 4, /* IPRF */ { 0, 0, USB } },
63 	{ 0xa4080002, 0, 16, 4, /* IPRG */ { TPU0, TPU1 } },
64 	{ 0xa4080004, 0, 16, 4, /* IPRH */ { TPU2, TPU3 } },
65 
66 };
67 
68 static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, NULL,
69 			 NULL, prio_registers, NULL);
70 
71 static struct plat_sci_port scif0_platform_data = {
72 	.mapbase	= 0xa4410000,
73 	.flags		= UPF_BOOT_AUTOCONF,
74 	.scscr		= SCSCR_TIE | SCSCR_RIE  | SCSCR_TE |
75 			  SCSCR_RE  | SCSCR_CKE1 | SCSCR_CKE0,
76 	.scbrr_algo_id	= SCBRR_ALGO_4,
77 	.type		= PORT_SCIF,
78 	.irqs		= { 56, 56, 56 },
79 	.ops		= &sh770x_sci_port_ops,
80 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
81 };
82 
83 static struct platform_device scif0_device = {
84 	.name		= "sh-sci",
85 	.id		= 0,
86 	.dev		= {
87 		.platform_data	= &scif0_platform_data,
88 	},
89 };
90 
91 static struct plat_sci_port scif1_platform_data = {
92 	.mapbase	= 0xa4400000,
93 	.flags		= UPF_BOOT_AUTOCONF,
94 	.scscr		= SCSCR_TIE | SCSCR_RIE | SCSCR_TE | SCSCR_RE,
95 	.scbrr_algo_id	= SCBRR_ALGO_4,
96 	.type		= PORT_SCIF,
97 	.irqs		= { 52, 52, 52 },
98 	.ops		= &sh770x_sci_port_ops,
99 	.regtype	= SCIx_SH7705_SCIF_REGTYPE,
100 };
101 
102 static struct platform_device scif1_device = {
103 	.name		= "sh-sci",
104 	.id		= 1,
105 	.dev		= {
106 		.platform_data	= &scif1_platform_data,
107 	},
108 };
109 
110 static struct resource rtc_resources[] = {
111 	[0] =	{
112 		.start	= 0xfffffec0,
113 		.end	= 0xfffffec0 + 0x1e,
114 		.flags  = IORESOURCE_IO,
115 	},
116 	[1] =	{
117 		.start  = 20,
118 		.flags	= IORESOURCE_IRQ,
119 	},
120 };
121 
122 static struct sh_rtc_platform_info rtc_info = {
123 	.capabilities	= RTC_CAP_4_DIGIT_YEAR,
124 };
125 
126 static struct platform_device rtc_device = {
127 	.name		= "sh-rtc",
128 	.id		= -1,
129 	.num_resources	= ARRAY_SIZE(rtc_resources),
130 	.resource	= rtc_resources,
131 	.dev		= {
132 		.platform_data = &rtc_info,
133 	},
134 };
135 
136 static struct sh_timer_config tmu0_platform_data = {
137 	.channel_offset = 0x02,
138 	.timer_bit = 0,
139 	.clockevent_rating = 200,
140 };
141 
142 static struct resource tmu0_resources[] = {
143 	[0] = {
144 		.start	= 0xfffffe94,
145 		.end	= 0xfffffe9f,
146 		.flags	= IORESOURCE_MEM,
147 	},
148 	[1] = {
149 		.start	= 16,
150 		.flags	= IORESOURCE_IRQ,
151 	},
152 };
153 
154 static struct platform_device tmu0_device = {
155 	.name		= "sh_tmu",
156 	.id		= 0,
157 	.dev = {
158 		.platform_data	= &tmu0_platform_data,
159 	},
160 	.resource	= tmu0_resources,
161 	.num_resources	= ARRAY_SIZE(tmu0_resources),
162 };
163 
164 static struct sh_timer_config tmu1_platform_data = {
165 	.channel_offset = 0xe,
166 	.timer_bit = 1,
167 	.clocksource_rating = 200,
168 };
169 
170 static struct resource tmu1_resources[] = {
171 	[0] = {
172 		.start	= 0xfffffea0,
173 		.end	= 0xfffffeab,
174 		.flags	= IORESOURCE_MEM,
175 	},
176 	[1] = {
177 		.start	= 17,
178 		.flags	= IORESOURCE_IRQ,
179 	},
180 };
181 
182 static struct platform_device tmu1_device = {
183 	.name		= "sh_tmu",
184 	.id		= 1,
185 	.dev = {
186 		.platform_data	= &tmu1_platform_data,
187 	},
188 	.resource	= tmu1_resources,
189 	.num_resources	= ARRAY_SIZE(tmu1_resources),
190 };
191 
192 static struct sh_timer_config tmu2_platform_data = {
193 	.channel_offset = 0x1a,
194 	.timer_bit = 2,
195 };
196 
197 static struct resource tmu2_resources[] = {
198 	[0] = {
199 		.start	= 0xfffffeac,
200 		.end	= 0xfffffebb,
201 		.flags	= IORESOURCE_MEM,
202 	},
203 	[1] = {
204 		.start	= 18,
205 		.flags	= IORESOURCE_IRQ,
206 	},
207 };
208 
209 static struct platform_device tmu2_device = {
210 	.name		= "sh_tmu",
211 	.id		= 2,
212 	.dev = {
213 		.platform_data	= &tmu2_platform_data,
214 	},
215 	.resource	= tmu2_resources,
216 	.num_resources	= ARRAY_SIZE(tmu2_resources),
217 };
218 
219 static struct platform_device *sh7705_devices[] __initdata = {
220 	&scif0_device,
221 	&scif1_device,
222 	&tmu0_device,
223 	&tmu1_device,
224 	&tmu2_device,
225 	&rtc_device,
226 };
227 
228 static int __init sh7705_devices_setup(void)
229 {
230 	return platform_add_devices(sh7705_devices,
231 				    ARRAY_SIZE(sh7705_devices));
232 }
233 arch_initcall(sh7705_devices_setup);
234 
235 static struct platform_device *sh7705_early_devices[] __initdata = {
236 	&scif0_device,
237 	&scif1_device,
238 	&tmu0_device,
239 	&tmu1_device,
240 	&tmu2_device,
241 };
242 
243 void __init plat_early_device_setup(void)
244 {
245 	early_platform_add_devices(sh7705_early_devices,
246 				   ARRAY_SIZE(sh7705_early_devices));
247 }
248 
249 void __init plat_irq_setup(void)
250 {
251 	register_intc_controller(&intc_desc);
252 	plat_irq_setup_sh3();
253 }
254