1 /*
2  * SH7722 Setup
3  *
4  *  Copyright (C) 2006 - 2008  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/serial_sci.h>
14 #include <linux/mm.h>
15 #include <linux/uio_driver.h>
16 #include <asm/clock.h>
17 #include <asm/mmzone.h>
18 
19 static struct resource rtc_resources[] = {
20 	[0] = {
21 		.start	= 0xa465fec0,
22 		.end	= 0xa465fec0 + 0x58 - 1,
23 		.flags	= IORESOURCE_IO,
24 	},
25 	[1] = {
26 		/* Period IRQ */
27 		.start	= 45,
28 		.flags	= IORESOURCE_IRQ,
29 	},
30 	[2] = {
31 		/* Carry IRQ */
32 		.start	= 46,
33 		.flags	= IORESOURCE_IRQ,
34 	},
35 	[3] = {
36 		/* Alarm IRQ */
37 		.start	= 44,
38 		.flags	= IORESOURCE_IRQ,
39 	},
40 };
41 
42 static struct platform_device rtc_device = {
43 	.name		= "sh-rtc",
44 	.id		= -1,
45 	.num_resources	= ARRAY_SIZE(rtc_resources),
46 	.resource	= rtc_resources,
47 };
48 
49 static struct resource usbf_resources[] = {
50 	[0] = {
51 		.name	= "m66592_udc",
52 		.start	= 0x04480000,
53 		.end	= 0x044800FF,
54 		.flags	= IORESOURCE_MEM,
55 	},
56 	[1] = {
57 		.start	= 65,
58 		.end	= 65,
59 		.flags	= IORESOURCE_IRQ,
60 	},
61 };
62 
63 static struct platform_device usbf_device = {
64 	.name		= "m66592_udc",
65 	.id		= -1,
66 	.dev = {
67 		.dma_mask		= NULL,
68 		.coherent_dma_mask	= 0xffffffff,
69 	},
70 	.num_resources	= ARRAY_SIZE(usbf_resources),
71 	.resource	= usbf_resources,
72 };
73 
74 static struct resource iic_resources[] = {
75 	[0] = {
76 		.name	= "IIC",
77 		.start  = 0x04470000,
78 		.end    = 0x04470017,
79 		.flags  = IORESOURCE_MEM,
80 	},
81 	[1] = {
82 		.start  = 96,
83 		.end    = 99,
84 		.flags  = IORESOURCE_IRQ,
85        },
86 };
87 
88 static struct platform_device iic_device = {
89 	.name           = "i2c-sh_mobile",
90 	.num_resources  = ARRAY_SIZE(iic_resources),
91 	.resource       = iic_resources,
92 };
93 
94 static struct uio_info vpu_platform_data = {
95 	.name = "VPU4",
96 	.version = "0",
97 	.irq = 60,
98 };
99 
100 static struct resource vpu_resources[] = {
101 	[0] = {
102 		.name	= "VPU",
103 		.start	= 0xfe900000,
104 		.end	= 0xfe9022eb,
105 		.flags	= IORESOURCE_MEM,
106 	},
107 	[1] = {
108 		/* place holder for contiguous memory */
109 	},
110 };
111 
112 static struct platform_device vpu_device = {
113 	.name		= "uio_pdrv_genirq",
114 	.id		= 0,
115 	.dev = {
116 		.platform_data	= &vpu_platform_data,
117 	},
118 	.resource	= vpu_resources,
119 	.num_resources	= ARRAY_SIZE(vpu_resources),
120 };
121 
122 static struct uio_info veu_platform_data = {
123 	.name = "VEU",
124 	.version = "0",
125 	.irq = 54,
126 };
127 
128 static struct resource veu_resources[] = {
129 	[0] = {
130 		.name	= "VEU",
131 		.start	= 0xfe920000,
132 		.end	= 0xfe9200b7,
133 		.flags	= IORESOURCE_MEM,
134 	},
135 	[1] = {
136 		/* place holder for contiguous memory */
137 	},
138 };
139 
140 static struct platform_device veu_device = {
141 	.name		= "uio_pdrv_genirq",
142 	.id		= 1,
143 	.dev = {
144 		.platform_data	= &veu_platform_data,
145 	},
146 	.resource	= veu_resources,
147 	.num_resources	= ARRAY_SIZE(veu_resources),
148 };
149 
150 static struct plat_sci_port sci_platform_data[] = {
151 	{
152 		.mapbase	= 0xffe00000,
153 		.flags		= UPF_BOOT_AUTOCONF,
154 		.type		= PORT_SCIF,
155 		.irqs		= { 80, 80, 80, 80 },
156 	},
157 	{
158 		.mapbase	= 0xffe10000,
159 		.flags		= UPF_BOOT_AUTOCONF,
160 		.type		= PORT_SCIF,
161 		.irqs		= { 81, 81, 81, 81 },
162 	},
163 	{
164 		.mapbase	= 0xffe20000,
165 		.flags		= UPF_BOOT_AUTOCONF,
166 		.type		= PORT_SCIF,
167 		.irqs		= { 82, 82, 82, 82 },
168 	},
169 	{
170 		.flags = 0,
171 	}
172 };
173 
174 static struct platform_device sci_device = {
175 	.name		= "sh-sci",
176 	.id		= -1,
177 	.dev		= {
178 		.platform_data	= sci_platform_data,
179 	},
180 };
181 
182 static struct platform_device *sh7722_devices[] __initdata = {
183 	&rtc_device,
184 	&usbf_device,
185 	&iic_device,
186 	&sci_device,
187 	&vpu_device,
188 	&veu_device,
189 };
190 
191 static int __init sh7722_devices_setup(void)
192 {
193 	clk_always_enable("mstp031"); /* TLB */
194 	clk_always_enable("mstp030"); /* IC */
195 	clk_always_enable("mstp029"); /* OC */
196 	clk_always_enable("mstp028"); /* URAM */
197 	clk_always_enable("mstp026"); /* XYMEM */
198 	clk_always_enable("mstp022"); /* INTC */
199 	clk_always_enable("mstp020"); /* SuperHyway */
200 	clk_always_enable("mstp109"); /* I2C */
201 	clk_always_enable("mstp211"); /* USB */
202 	clk_always_enable("mstp202"); /* VEU */
203 	clk_always_enable("mstp201"); /* VPU */
204 
205 	platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20);
206 	platform_resource_setup_memory(&veu_device, "veu", 2 << 20);
207 
208 	return platform_add_devices(sh7722_devices,
209 				    ARRAY_SIZE(sh7722_devices));
210 }
211 __initcall(sh7722_devices_setup);
212 
213 enum {
214 	UNUSED=0,
215 
216 	/* interrupt sources */
217 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
218 	HUDI,
219 	SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
220 	RTC_ATI, RTC_PRI, RTC_CUI,
221 	DMAC0, DMAC1, DMAC2, DMAC3,
222 	VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU,
223 	VPU, TPU,
224 	USB_USBI0, USB_USBI1,
225 	DMAC4, DMAC5, DMAC_DADERR,
226 	KEYSC,
227 	SCIF0, SCIF1, SCIF2, SIOF0, SIOF1, SIO,
228 	FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
229 	I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI,
230 	SDHI0, SDHI1, SDHI2, SDHI3,
231 	CMT, TSIF, SIU, TWODG,
232 	TMU0, TMU1, TMU2,
233 	IRDA, JPU, LCDC,
234 
235 	/* interrupt groups */
236 	SIM, RTC, DMAC0123, VIOVOU, USB, DMAC45, FLCTL, I2C, SDHI,
237 };
238 
239 static struct intc_vect vectors[] __initdata = {
240 	INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
241 	INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
242 	INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
243 	INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0),
244 	INTC_VECT(SIM_ERI, 0x700), INTC_VECT(SIM_RXI, 0x720),
245 	INTC_VECT(SIM_TXI, 0x740), INTC_VECT(SIM_TEI, 0x760),
246 	INTC_VECT(RTC_ATI, 0x780), INTC_VECT(RTC_PRI, 0x7a0),
247 	INTC_VECT(RTC_CUI, 0x7c0),
248 	INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820),
249 	INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860),
250 	INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0),
251 	INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0),
252 	INTC_VECT(VPU, 0x980), INTC_VECT(TPU, 0x9a0),
253 	INTC_VECT(USB_USBI0, 0xa20), INTC_VECT(USB_USBI1, 0xa40),
254 	INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0),
255 	INTC_VECT(DMAC_DADERR, 0xbc0), INTC_VECT(KEYSC, 0xbe0),
256 	INTC_VECT(SCIF0, 0xc00), INTC_VECT(SCIF1, 0xc20),
257 	INTC_VECT(SCIF2, 0xc40), INTC_VECT(SIOF0, 0xc80),
258 	INTC_VECT(SIOF1, 0xca0), INTC_VECT(SIO, 0xd00),
259 	INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0),
260 	INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0),
261 	INTC_VECT(I2C_ALI, 0xe00), INTC_VECT(I2C_TACKI, 0xe20),
262 	INTC_VECT(I2C_WAITI, 0xe40), INTC_VECT(I2C_DTEI, 0xe60),
263 	INTC_VECT(SDHI0, 0xe80), INTC_VECT(SDHI1, 0xea0),
264 	INTC_VECT(SDHI2, 0xec0), INTC_VECT(SDHI3, 0xee0),
265 	INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20),
266 	INTC_VECT(SIU, 0xf80), INTC_VECT(TWODG, 0xfa0),
267 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
268 	INTC_VECT(TMU2, 0x440), INTC_VECT(IRDA, 0x480),
269 	INTC_VECT(JPU, 0x560), INTC_VECT(LCDC, 0x580),
270 };
271 
272 static struct intc_group groups[] __initdata = {
273 	INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
274 	INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
275 	INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3),
276 	INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU),
277 	INTC_GROUP(USB, USB_USBI0, USB_USBI1),
278 	INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR),
279 	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI,
280 		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
281 	INTC_GROUP(I2C, I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI),
282 	INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2, SDHI3),
283 };
284 
285 static struct intc_mask_reg mask_registers[] __initdata = {
286 	{ 0xa4080080, 0xa40800c0, 8, /* IMR0 / IMCR0 */
287 	  { } },
288 	{ 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */
289 	  { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } },
290 	{ 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */
291 	  { 0, 0, 0, VPU, } },
292 	{ 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */
293 	  { SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, 0, 0, 0, IRDA } },
294 	{ 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */
295 	  { 0, TMU2, TMU1, TMU0, JPU, 0, 0, LCDC } },
296 	{ 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */
297 	  { KEYSC, DMAC_DADERR, DMAC5, DMAC4, 0, SCIF2, SCIF1, SCIF0 } },
298 	{ 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */
299 	  { 0, 0, 0, SIO, 0, 0, SIOF1, SIOF0 } },
300 	{ 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */
301 	  { I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI,
302 	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } },
303 	{ 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */
304 	  { SDHI3, SDHI2, SDHI1, SDHI0, 0, 0, TWODG, SIU } },
305 	{ 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */
306 	  { 0, 0, 0, CMT, 0, USB_USBI1, USB_USBI0, } },
307 	{ 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */
308 	  { } },
309 	{ 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */
310 	  { 0, RTC_CUI, RTC_PRI, RTC_ATI, 0, TPU, 0, TSIF } },
311 	{ 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */
312 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
313 };
314 
315 static struct intc_prio_reg prio_registers[] __initdata = {
316 	{ 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, IRDA } },
317 	{ 0xa4080004, 0, 16, 4, /* IPRB */ { JPU, LCDC, SIM } },
318 	{ 0xa4080008, 0, 16, 4, /* IPRC */ { } },
319 	{ 0xa408000c, 0, 16, 4, /* IPRD */ { } },
320 	{ 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, 0, VPU } },
321 	{ 0xa4080014, 0, 16, 4, /* IPRF */ { KEYSC, DMAC45, USB, CMT } },
322 	{ 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, SCIF2 } },
323 	{ 0xa408001c, 0, 16, 4, /* IPRH */ { SIOF0, SIOF1, FLCTL, I2C } },
324 	{ 0xa4080020, 0, 16, 4, /* IPRI */ { SIO, 0, TSIF, RTC } },
325 	{ 0xa4080024, 0, 16, 4, /* IPRJ */ { 0, 0, SIU } },
326 	{ 0xa4080028, 0, 16, 4, /* IPRK */ { 0, 0, 0, SDHI } },
327 	{ 0xa408002c, 0, 16, 4, /* IPRL */ { TWODG, 0, TPU } },
328 	{ 0xa4140010, 0, 32, 4, /* INTPRI00 */
329 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
330 };
331 
332 static struct intc_sense_reg sense_registers[] __initdata = {
333 	{ 0xa414001c, 16, 2, /* ICR1 */
334 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
335 };
336 
337 static struct intc_mask_reg ack_registers[] __initdata = {
338 	{ 0xa4140024, 0, 8, /* INTREQ00 */
339 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
340 };
341 
342 static DECLARE_INTC_DESC_ACK(intc_desc, "sh7722", vectors, groups,
343 			     mask_registers, prio_registers, sense_registers,
344 			     ack_registers);
345 
346 void __init plat_irq_setup(void)
347 {
348 	register_intc_controller(&intc_desc);
349 }
350 
351 void __init plat_mem_setup(void)
352 {
353 	/* Register the URAM space as Node 1 */
354 	setup_bootmem_node(1, 0x055f0000, 0x05610000);
355 }
356