xref: /linux/arch/sh/kernel/cpu/sh2a/setup-sh7206.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * SH7206 Setup
3  *
4  *  Copyright (C) 2006  Yoshinori Sato
5  *  Copyright (C) 2009  Paul Mundt
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/serial.h>
14 #include <linux/serial_sci.h>
15 #include <linux/sh_timer.h>
16 #include <linux/io.h>
17 
18 enum {
19 	UNUSED = 0,
20 
21 	/* interrupt sources */
22 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
23 	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
24 	ADC_ADI0, ADC_ADI1,
25 
26 	DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
27 
28 	MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
29 	MTU3_ABCD, MTU4_ABCD, MTU5, POE2_12, MTU3S_ABCD, MTU4S_ABCD, MTU5S,
30 	IIC3,
31 
32 	CMT0, CMT1, BSC, WDT,
33 
34 	MTU2_TCI3V, MTU2_TCI4V, MTU2S_TCI3V, MTU2S_TCI4V,
35 
36 	POE2_OEI3,
37 
38 	SCIF0, SCIF1, SCIF2, SCIF3,
39 
40 	/* interrupt groups */
41 	PINT,
42 };
43 
44 static struct intc_vect vectors[] __initdata = {
45 	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
46 	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
47 	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
48 	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
49 	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
50 	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
51 	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
52 	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
53 	INTC_IRQ(ADC_ADI0, 92), INTC_IRQ(ADC_ADI1, 96),
54 	INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
55 	INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
56 	INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
57 	INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
58 	INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
59 	INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
60 	INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
61 	INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
62 	INTC_IRQ(CMT0, 140), INTC_IRQ(CMT1, 144),
63 	INTC_IRQ(BSC, 148), INTC_IRQ(WDT, 152),
64 	INTC_IRQ(MTU0_ABCD, 156), INTC_IRQ(MTU0_ABCD, 157),
65 	INTC_IRQ(MTU0_ABCD, 158), INTC_IRQ(MTU0_ABCD, 159),
66 	INTC_IRQ(MTU0_VEF, 160), INTC_IRQ(MTU0_VEF, 161),
67 	INTC_IRQ(MTU0_VEF, 162),
68 	INTC_IRQ(MTU1_AB, 164), INTC_IRQ(MTU1_AB, 165),
69 	INTC_IRQ(MTU1_VU, 168), INTC_IRQ(MTU1_VU, 169),
70 	INTC_IRQ(MTU2_AB, 172), INTC_IRQ(MTU2_AB, 173),
71 	INTC_IRQ(MTU2_VU, 176), INTC_IRQ(MTU2_VU, 177),
72 	INTC_IRQ(MTU3_ABCD, 180), INTC_IRQ(MTU3_ABCD, 181),
73 	INTC_IRQ(MTU3_ABCD, 182), INTC_IRQ(MTU3_ABCD, 183),
74 	INTC_IRQ(MTU2_TCI3V, 184),
75 	INTC_IRQ(MTU4_ABCD, 188), INTC_IRQ(MTU4_ABCD, 189),
76 	INTC_IRQ(MTU4_ABCD, 190), INTC_IRQ(MTU4_ABCD, 191),
77 	INTC_IRQ(MTU2_TCI4V, 192),
78 	INTC_IRQ(MTU5, 196), INTC_IRQ(MTU5, 197),
79 	INTC_IRQ(MTU5, 198),
80 	INTC_IRQ(POE2_12, 200), INTC_IRQ(POE2_12, 201),
81 	INTC_IRQ(MTU3S_ABCD, 204), INTC_IRQ(MTU3S_ABCD, 205),
82 	INTC_IRQ(MTU3S_ABCD, 206), INTC_IRQ(MTU3S_ABCD, 207),
83 	INTC_IRQ(MTU2S_TCI3V, 208),
84 	INTC_IRQ(MTU4S_ABCD, 212), INTC_IRQ(MTU4S_ABCD, 213),
85 	INTC_IRQ(MTU4S_ABCD, 214), INTC_IRQ(MTU4S_ABCD, 215),
86 	INTC_IRQ(MTU2S_TCI4V, 216),
87 	INTC_IRQ(MTU5S, 220), INTC_IRQ(MTU5S, 221),
88 	INTC_IRQ(MTU5S, 222),
89 	INTC_IRQ(POE2_OEI3, 224),
90 	INTC_IRQ(IIC3, 228), INTC_IRQ(IIC3, 229),
91 	INTC_IRQ(IIC3, 230), INTC_IRQ(IIC3, 231),
92 	INTC_IRQ(IIC3, 232),
93 	INTC_IRQ(SCIF0, 240), INTC_IRQ(SCIF0, 241),
94 	INTC_IRQ(SCIF0, 242), INTC_IRQ(SCIF0, 243),
95 	INTC_IRQ(SCIF1, 244), INTC_IRQ(SCIF1, 245),
96 	INTC_IRQ(SCIF1, 246), INTC_IRQ(SCIF1, 247),
97 	INTC_IRQ(SCIF2, 248), INTC_IRQ(SCIF2, 249),
98 	INTC_IRQ(SCIF2, 250), INTC_IRQ(SCIF2, 251),
99 	INTC_IRQ(SCIF3, 252), INTC_IRQ(SCIF3, 253),
100 	INTC_IRQ(SCIF3, 254), INTC_IRQ(SCIF3, 255),
101 };
102 
103 static struct intc_group groups[] __initdata = {
104 	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
105 		   PINT4, PINT5, PINT6, PINT7),
106 };
107 
108 static struct intc_prio_reg prio_registers[] __initdata = {
109 	{ 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
110 	{ 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
111 	{ 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI0, ADC_ADI1 } },
112 	{ 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
113 	{ 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
114 	{ 0xfffe0c04, 0, 16, 4, /* IPR08 */ { CMT0, CMT1, BSC, WDT } },
115 	{ 0xfffe0c06, 0, 16, 4, /* IPR09 */ { MTU0_ABCD, MTU0_VEF,
116 					      MTU1_AB, MTU1_VU } },
117 	{ 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU2_AB, MTU2_VU,
118 					      MTU3_ABCD, MTU2_TCI3V } },
119 	{ 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU4_ABCD, MTU2_TCI4V,
120 					      MTU5, POE2_12 } },
121 	{ 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { MTU3S_ABCD, MTU2S_TCI3V,
122 					      MTU4S_ABCD, MTU2S_TCI4V } },
123 	{ 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { MTU5S, POE2_OEI3, IIC3, 0 } },
124 	{ 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF0, SCIF1, SCIF2, SCIF3 } },
125 };
126 
127 static struct intc_mask_reg mask_registers[] __initdata = {
128 	{ 0xfffe0808, 0, 16, /* PINTER */
129 	  { 0, 0, 0, 0, 0, 0, 0, 0,
130 	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
131 };
132 
133 static DECLARE_INTC_DESC(intc_desc, "sh7206", vectors, groups,
134 			 mask_registers, prio_registers, NULL);
135 
136 static struct plat_sci_port scif0_platform_data = {
137 	.flags		= UPF_BOOT_AUTOCONF,
138 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
139 	.type		= PORT_SCIF,
140 };
141 
142 static struct resource scif0_resources[] = {
143 	DEFINE_RES_MEM(0xfffe8000, 0x100),
144 	DEFINE_RES_IRQ(240),
145 };
146 
147 static struct platform_device scif0_device = {
148 	.name		= "sh-sci",
149 	.id		= 0,
150 	.resource	= scif0_resources,
151 	.num_resources	= ARRAY_SIZE(scif0_resources),
152 	.dev		= {
153 		.platform_data	= &scif0_platform_data,
154 	},
155 };
156 
157 static struct plat_sci_port scif1_platform_data = {
158 	.flags		= UPF_BOOT_AUTOCONF,
159 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
160 	.type		= PORT_SCIF,
161 };
162 
163 static struct resource scif1_resources[] = {
164 	DEFINE_RES_MEM(0xfffe8800, 0x100),
165 	DEFINE_RES_IRQ(244),
166 };
167 
168 static struct platform_device scif1_device = {
169 	.name		= "sh-sci",
170 	.id		= 1,
171 	.resource	= scif1_resources,
172 	.num_resources	= ARRAY_SIZE(scif1_resources),
173 	.dev		= {
174 		.platform_data	= &scif1_platform_data,
175 	},
176 };
177 
178 static struct plat_sci_port scif2_platform_data = {
179 	.flags		= UPF_BOOT_AUTOCONF,
180 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
181 	.type		= PORT_SCIF,
182 };
183 
184 static struct resource scif2_resources[] = {
185 	DEFINE_RES_MEM(0xfffe9000, 0x100),
186 	DEFINE_RES_IRQ(248),
187 };
188 
189 static struct platform_device scif2_device = {
190 	.name		= "sh-sci",
191 	.id		= 2,
192 	.resource	= scif2_resources,
193 	.num_resources	= ARRAY_SIZE(scif2_resources),
194 	.dev		= {
195 		.platform_data	= &scif2_platform_data,
196 	},
197 };
198 
199 static struct plat_sci_port scif3_platform_data = {
200 	.flags		= UPF_BOOT_AUTOCONF,
201 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
202 	.type		= PORT_SCIF,
203 };
204 
205 static struct resource scif3_resources[] = {
206 	DEFINE_RES_MEM(0xfffe9800, 0x100),
207 	DEFINE_RES_IRQ(252),
208 };
209 
210 static struct platform_device scif3_device = {
211 	.name		= "sh-sci",
212 	.id		= 3,
213 	.resource	= scif3_resources,
214 	.num_resources	= ARRAY_SIZE(scif3_resources),
215 	.dev		= {
216 		.platform_data	= &scif3_platform_data,
217 	},
218 };
219 
220 static struct sh_timer_config cmt_platform_data = {
221 	.channels_mask = 3,
222 };
223 
224 static struct resource cmt_resources[] = {
225 	DEFINE_RES_MEM(0xfffec000, 0x10),
226 	DEFINE_RES_IRQ(140),
227 	DEFINE_RES_IRQ(144),
228 };
229 
230 static struct platform_device cmt_device = {
231 	.name		= "sh-cmt-16",
232 	.id		= 0,
233 	.dev = {
234 		.platform_data	= &cmt_platform_data,
235 	},
236 	.resource	= cmt_resources,
237 	.num_resources	= ARRAY_SIZE(cmt_resources),
238 };
239 
240 static struct resource mtu2_resources[] = {
241 	DEFINE_RES_MEM(0xfffe4000, 0x400),
242 	DEFINE_RES_IRQ_NAMED(156, "tgi0a"),
243 	DEFINE_RES_IRQ_NAMED(164, "tgi1a"),
244 	DEFINE_RES_IRQ_NAMED(180, "tgi2a"),
245 };
246 
247 static struct platform_device mtu2_device = {
248 	.name		= "sh-mtu2s",
249 	.id		= -1,
250 	.resource	= mtu2_resources,
251 	.num_resources	= ARRAY_SIZE(mtu2_resources),
252 };
253 
254 static struct platform_device *sh7206_devices[] __initdata = {
255 	&scif0_device,
256 	&scif1_device,
257 	&scif2_device,
258 	&scif3_device,
259 	&cmt_device,
260 	&mtu2_device,
261 };
262 
263 static int __init sh7206_devices_setup(void)
264 {
265 	return platform_add_devices(sh7206_devices,
266 				    ARRAY_SIZE(sh7206_devices));
267 }
268 arch_initcall(sh7206_devices_setup);
269 
270 void __init plat_irq_setup(void)
271 {
272 	register_intc_controller(&intc_desc);
273 }
274 
275 static struct platform_device *sh7206_early_devices[] __initdata = {
276 	&scif0_device,
277 	&scif1_device,
278 	&scif2_device,
279 	&scif3_device,
280 	&cmt_device,
281 	&mtu2_device,
282 };
283 
284 #define STBCR3 0xfffe0408
285 #define STBCR4 0xfffe040c
286 
287 void __init plat_early_device_setup(void)
288 {
289 	/* enable CMT clock */
290 	__raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
291 
292 	/* enable MTU2 clock */
293 	__raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
294 
295 	early_platform_add_devices(sh7206_early_devices,
296 				   ARRAY_SIZE(sh7206_early_devices));
297 }
298