xref: /openbmc/linux/arch/sh/kernel/cpu/sh4/setup-sh7760.c (revision b6dcefde)
1 /*
2  * SH7760 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 <linux/sh_timer.h>
14 #include <linux/serial_sci.h>
15 #include <linux/io.h>
16 
17 enum {
18 	UNUSED = 0,
19 
20 	/* interrupt sources */
21 	IRL0, IRL1, IRL2, IRL3,
22 	HUDI, GPIOI, DMAC,
23 	IRQ4, IRQ5, IRQ6, IRQ7,
24 	HCAN20, HCAN21,
25 	SSI0, SSI1,
26 	HAC0, HAC1,
27 	I2C0, I2C1,
28 	USB, LCDC,
29 	DMABRG0, DMABRG1, DMABRG2,
30 	SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
31 	SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
32 	SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
33 	SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
34 	HSPI,
35 	MMCIF0, MMCIF1, MMCIF2, MMCIF3,
36 	MFI, ADC, CMT,
37 	TMU0, TMU1, TMU2,
38 	WDT, REF,
39 
40 	/* interrupt groups */
41 	DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
42 };
43 
44 static struct intc_vect vectors[] __initdata = {
45 	INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
46 	INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
47 	INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
48 	INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
49 	INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
50 	INTC_VECT(DMAC, 0x6c0),
51 	INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
52 	INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
53 	INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
54 	INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
55 	INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
56 	INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
57 	INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
58 	INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
59 	INTC_VECT(DMABRG2, 0xac0),
60 	INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
61 	INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
62 	INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
63 	INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
64 	INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
65 	INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
66 	INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
67 	INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
68 	INTC_VECT(HSPI, 0xc80),
69 	INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
70 	INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
71 	INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
72 	INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
73 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
74 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
75 	INTC_VECT(WDT, 0x560),
76 	INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
77 };
78 
79 static struct intc_group groups[] __initdata = {
80 	INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
81 	INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
82 	INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
83 	INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
84 	INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
85 	INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
86 };
87 
88 static struct intc_mask_reg mask_registers[] __initdata = {
89 	{ 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
90 	  { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
91 	    SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
92 	    0, DMABRG0, DMABRG1, DMABRG2,
93 	    SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
94 	    SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
95 	    SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
96 	{ 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
97 	  { 0, 0, 0, 0, 0, 0, 0, 0,
98 	    SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
99 	    HSPI, MMCIF0, MMCIF1, MMCIF2,
100 	    MMCIF3, 0, 0, 0, 0, 0, 0, 0,
101 	    0, MFI, 0, 0, 0, 0, ADC, CMT, } },
102 };
103 
104 static struct intc_prio_reg prio_registers[] __initdata = {
105 	{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
106 	{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
107 	{ 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
108 	{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
109 	{ 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
110 	{ 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
111 						 HAC0, HAC1, I2C0, I2C1 } },
112 	{ 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
113 						 SCIF1, SCIF2, SIM, HSPI } },
114 	{ 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
115 						 MFI, 0, ADC, CMT } },
116 };
117 
118 static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
119 			 mask_registers, prio_registers, NULL);
120 
121 static struct intc_vect vectors_irq[] __initdata = {
122 	INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
123 	INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
124 };
125 
126 static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
127 			 mask_registers, prio_registers, NULL);
128 
129 static struct plat_sci_port scif0_platform_data = {
130 	.mapbase	= 0xfe600000,
131 	.flags		= UPF_BOOT_AUTOCONF,
132 	.type		= PORT_SCIF,
133 	.irqs		= { 52, 53, 55, 54 },
134 };
135 
136 static struct platform_device scif0_device = {
137 	.name		= "sh-sci",
138 	.id		= 0,
139 	.dev		= {
140 		.platform_data	= &scif0_platform_data,
141 	},
142 };
143 
144 static struct plat_sci_port scif1_platform_data = {
145 	.mapbase	= 0xfe610000,
146 	.flags		= UPF_BOOT_AUTOCONF,
147 	.type		= PORT_SCIF,
148 	.irqs		= { 72, 73, 75, 74 },
149 };
150 
151 static struct platform_device scif1_device = {
152 	.name		= "sh-sci",
153 	.id		= 1,
154 	.dev		= {
155 		.platform_data	= &scif1_platform_data,
156 	},
157 };
158 
159 static struct plat_sci_port scif2_platform_data = {
160 	.mapbase	= 0xfe620000,
161 	.flags		= UPF_BOOT_AUTOCONF,
162 	.type		= PORT_SCIF,
163 	.irqs		= { 76, 77, 79, 78 },
164 };
165 
166 static struct platform_device scif2_device = {
167 	.name		= "sh-sci",
168 	.id		= 2,
169 	.dev		= {
170 		.platform_data	= &scif2_platform_data,
171 	},
172 };
173 
174 static struct plat_sci_port scif3_platform_data = {
175 	.mapbase	= 0xfe480000,
176 	.flags		= UPF_BOOT_AUTOCONF,
177 	.type		= PORT_SCI,
178 	.irqs		= { 80, 81, 82, 0 },
179 };
180 
181 static struct platform_device scif3_device = {
182 	.name		= "sh-sci",
183 	.id		= 3,
184 	.dev		= {
185 		.platform_data	= &scif3_platform_data,
186 	},
187 };
188 
189 static struct sh_timer_config tmu0_platform_data = {
190 	.name = "TMU0",
191 	.channel_offset = 0x04,
192 	.timer_bit = 0,
193 	.clk = "peripheral_clk",
194 	.clockevent_rating = 200,
195 };
196 
197 static struct resource tmu0_resources[] = {
198 	[0] = {
199 		.name	= "TMU0",
200 		.start	= 0xffd80008,
201 		.end	= 0xffd80013,
202 		.flags	= IORESOURCE_MEM,
203 	},
204 	[1] = {
205 		.start	= 16,
206 		.flags	= IORESOURCE_IRQ,
207 	},
208 };
209 
210 static struct platform_device tmu0_device = {
211 	.name		= "sh_tmu",
212 	.id		= 0,
213 	.dev = {
214 		.platform_data	= &tmu0_platform_data,
215 	},
216 	.resource	= tmu0_resources,
217 	.num_resources	= ARRAY_SIZE(tmu0_resources),
218 };
219 
220 static struct sh_timer_config tmu1_platform_data = {
221 	.name = "TMU1",
222 	.channel_offset = 0x10,
223 	.timer_bit = 1,
224 	.clk = "peripheral_clk",
225 	.clocksource_rating = 200,
226 };
227 
228 static struct resource tmu1_resources[] = {
229 	[0] = {
230 		.name	= "TMU1",
231 		.start	= 0xffd80014,
232 		.end	= 0xffd8001f,
233 		.flags	= IORESOURCE_MEM,
234 	},
235 	[1] = {
236 		.start	= 17,
237 		.flags	= IORESOURCE_IRQ,
238 	},
239 };
240 
241 static struct platform_device tmu1_device = {
242 	.name		= "sh_tmu",
243 	.id		= 1,
244 	.dev = {
245 		.platform_data	= &tmu1_platform_data,
246 	},
247 	.resource	= tmu1_resources,
248 	.num_resources	= ARRAY_SIZE(tmu1_resources),
249 };
250 
251 static struct sh_timer_config tmu2_platform_data = {
252 	.name = "TMU2",
253 	.channel_offset = 0x1c,
254 	.timer_bit = 2,
255 	.clk = "peripheral_clk",
256 };
257 
258 static struct resource tmu2_resources[] = {
259 	[0] = {
260 		.name	= "TMU2",
261 		.start	= 0xffd80020,
262 		.end	= 0xffd8002f,
263 		.flags	= IORESOURCE_MEM,
264 	},
265 	[1] = {
266 		.start	= 18,
267 		.flags	= IORESOURCE_IRQ,
268 	},
269 };
270 
271 static struct platform_device tmu2_device = {
272 	.name		= "sh_tmu",
273 	.id		= 2,
274 	.dev = {
275 		.platform_data	= &tmu2_platform_data,
276 	},
277 	.resource	= tmu2_resources,
278 	.num_resources	= ARRAY_SIZE(tmu2_resources),
279 };
280 
281 
282 static struct platform_device *sh7760_devices[] __initdata = {
283 	&scif0_device,
284 	&scif1_device,
285 	&scif2_device,
286 	&scif3_device,
287 	&tmu0_device,
288 	&tmu1_device,
289 	&tmu2_device,
290 };
291 
292 static int __init sh7760_devices_setup(void)
293 {
294 	return platform_add_devices(sh7760_devices,
295 				    ARRAY_SIZE(sh7760_devices));
296 }
297 arch_initcall(sh7760_devices_setup);
298 
299 static struct platform_device *sh7760_early_devices[] __initdata = {
300 	&scif0_device,
301 	&scif1_device,
302 	&scif2_device,
303 	&scif3_device,
304 	&tmu0_device,
305 	&tmu1_device,
306 	&tmu2_device,
307 };
308 
309 void __init plat_early_device_setup(void)
310 {
311 	early_platform_add_devices(sh7760_early_devices,
312 				   ARRAY_SIZE(sh7760_early_devices));
313 }
314 
315 #define INTC_ICR	0xffd00000UL
316 #define INTC_ICR_IRLM	(1 << 7)
317 
318 void __init plat_irq_setup_pins(int mode)
319 {
320 	switch (mode) {
321 	case IRQ_MODE_IRQ:
322 		ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
323 		register_intc_controller(&intc_desc_irq);
324 		break;
325 	default:
326 		BUG();
327 	}
328 }
329 
330 void __init plat_irq_setup(void)
331 {
332 	register_intc_controller(&intc_desc);
333 }
334