xref: /openbmc/linux/arch/sh/kernel/cpu/sh4/setup-sh7760.c (revision a8da474e)
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/sh_intc.h>
15 #include <linux/serial_sci.h>
16 #include <linux/io.h>
17 
18 enum {
19 	UNUSED = 0,
20 
21 	/* interrupt sources */
22 	IRL0, IRL1, IRL2, IRL3,
23 	HUDI, GPIOI, DMAC,
24 	IRQ4, IRQ5, IRQ6, IRQ7,
25 	HCAN20, HCAN21,
26 	SSI0, SSI1,
27 	HAC0, HAC1,
28 	I2C0, I2C1,
29 	USB, LCDC,
30 	DMABRG0, DMABRG1, DMABRG2,
31 	SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
32 	SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
33 	SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI,
34 	SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
35 	HSPI,
36 	MMCIF0, MMCIF1, MMCIF2, MMCIF3,
37 	MFI, ADC, CMT,
38 	TMU0, TMU1, TMU2,
39 	WDT, REF,
40 
41 	/* interrupt groups */
42 	DMABRG, SCIF0, SCIF1, SCIF2, SIM, MMCIF,
43 };
44 
45 static struct intc_vect vectors[] __initdata = {
46 	INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
47 	INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
48 	INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
49 	INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
50 	INTC_VECT(DMAC, 0x7c0), INTC_VECT(DMAC, 0x7e0),
51 	INTC_VECT(DMAC, 0x6c0),
52 	INTC_VECT(IRQ4, 0x800), INTC_VECT(IRQ5, 0x820),
53 	INTC_VECT(IRQ6, 0x840), INTC_VECT(IRQ6, 0x860),
54 	INTC_VECT(HCAN20, 0x900), INTC_VECT(HCAN21, 0x920),
55 	INTC_VECT(SSI0, 0x940), INTC_VECT(SSI1, 0x960),
56 	INTC_VECT(HAC0, 0x980), INTC_VECT(HAC1, 0x9a0),
57 	INTC_VECT(I2C0, 0x9c0), INTC_VECT(I2C1, 0x9e0),
58 	INTC_VECT(USB, 0xa00), INTC_VECT(LCDC, 0xa20),
59 	INTC_VECT(DMABRG0, 0xa80), INTC_VECT(DMABRG1, 0xaa0),
60 	INTC_VECT(DMABRG2, 0xac0),
61 	INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
62 	INTC_VECT(SCIF0_BRI, 0x8c0), INTC_VECT(SCIF0_TXI, 0x8e0),
63 	INTC_VECT(SCIF1_ERI, 0xb00), INTC_VECT(SCIF1_RXI, 0xb20),
64 	INTC_VECT(SCIF1_BRI, 0xb40), INTC_VECT(SCIF1_TXI, 0xb60),
65 	INTC_VECT(SCIF2_ERI, 0xb80), INTC_VECT(SCIF2_RXI, 0xba0),
66 	INTC_VECT(SCIF2_BRI, 0xbc0), INTC_VECT(SCIF2_TXI, 0xbe0),
67 	INTC_VECT(SIM_ERI, 0xc00), INTC_VECT(SIM_RXI, 0xc20),
68 	INTC_VECT(SIM_TXI, 0xc40), INTC_VECT(SIM_TEI, 0xc60),
69 	INTC_VECT(HSPI, 0xc80),
70 	INTC_VECT(MMCIF0, 0xd00), INTC_VECT(MMCIF1, 0xd20),
71 	INTC_VECT(MMCIF2, 0xd40), INTC_VECT(MMCIF3, 0xd60),
72 	INTC_VECT(MFI, 0xe80), /* 0xf80 according to data sheet */
73 	INTC_VECT(ADC, 0xf80), INTC_VECT(CMT, 0xfa0),
74 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
75 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
76 	INTC_VECT(WDT, 0x560),
77 	INTC_VECT(REF, 0x580), INTC_VECT(REF, 0x5a0),
78 };
79 
80 static struct intc_group groups[] __initdata = {
81 	INTC_GROUP(DMABRG, DMABRG0, DMABRG1, DMABRG2),
82 	INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
83 	INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
84 	INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
85 	INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
86 	INTC_GROUP(MMCIF, MMCIF0, MMCIF1, MMCIF2, MMCIF3),
87 };
88 
89 static struct intc_mask_reg mask_registers[] __initdata = {
90 	{ 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
91 	  { IRQ4, IRQ5, IRQ6, IRQ7, 0, 0, HCAN20, HCAN21,
92 	    SSI0, SSI1, HAC0, HAC1, I2C0, I2C1, USB, LCDC,
93 	    0, DMABRG0, DMABRG1, DMABRG2,
94 	    SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
95 	    SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
96 	    SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI, } },
97 	{ 0xfe080044, 0xfe080064, 32, /* INTMSK04 / INTMSKCLR04 */
98 	  { 0, 0, 0, 0, 0, 0, 0, 0,
99 	    SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
100 	    HSPI, MMCIF0, MMCIF1, MMCIF2,
101 	    MMCIF3, 0, 0, 0, 0, 0, 0, 0,
102 	    0, MFI, 0, 0, 0, 0, ADC, CMT, } },
103 };
104 
105 static struct intc_prio_reg prio_registers[] __initdata = {
106 	{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
107 	{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
108 	{ 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, 0, HUDI } },
109 	{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
110 	{ 0xfe080000, 0, 32, 4, /* INTPRI00 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
111 	{ 0xfe080004, 0, 32, 4, /* INTPRI04 */ { HCAN20, HCAN21, SSI0, SSI1,
112 						 HAC0, HAC1, I2C0, I2C1 } },
113 	{ 0xfe080008, 0, 32, 4, /* INTPRI08 */ { USB, LCDC, DMABRG, SCIF0,
114 						 SCIF1, SCIF2, SIM, HSPI } },
115 	{ 0xfe08000c, 0, 32, 4, /* INTPRI0C */ { 0, 0, MMCIF, 0,
116 						 MFI, 0, ADC, CMT } },
117 };
118 
119 static DECLARE_INTC_DESC(intc_desc, "sh7760", vectors, groups,
120 			 mask_registers, prio_registers, NULL);
121 
122 static struct intc_vect vectors_irq[] __initdata = {
123 	INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
124 	INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
125 };
126 
127 static DECLARE_INTC_DESC(intc_desc_irq, "sh7760-irq", vectors_irq, groups,
128 			 mask_registers, prio_registers, NULL);
129 
130 static struct plat_sci_port scif0_platform_data = {
131 	.flags		= UPF_BOOT_AUTOCONF,
132 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
133 	.type		= PORT_SCIF,
134 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
135 };
136 
137 static struct resource scif0_resources[] = {
138 	DEFINE_RES_MEM(0xfe600000, 0x100),
139 	DEFINE_RES_IRQ(evt2irq(0x880)),
140 	DEFINE_RES_IRQ(evt2irq(0x8a0)),
141 	DEFINE_RES_IRQ(evt2irq(0x8e0)),
142 	DEFINE_RES_IRQ(evt2irq(0x8c0)),
143 };
144 
145 static struct platform_device scif0_device = {
146 	.name		= "sh-sci",
147 	.id		= 0,
148 	.resource	= scif0_resources,
149 	.num_resources	= ARRAY_SIZE(scif0_resources),
150 	.dev		= {
151 		.platform_data	= &scif0_platform_data,
152 	},
153 };
154 
155 static struct plat_sci_port scif1_platform_data = {
156 	.flags		= UPF_BOOT_AUTOCONF,
157 	.type		= PORT_SCIF,
158 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
159 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
160 };
161 
162 static struct resource scif1_resources[] = {
163 	DEFINE_RES_MEM(0xfe610000, 0x100),
164 	DEFINE_RES_IRQ(evt2irq(0xb00)),
165 	DEFINE_RES_IRQ(evt2irq(0xb20)),
166 	DEFINE_RES_IRQ(evt2irq(0xb60)),
167 	DEFINE_RES_IRQ(evt2irq(0xb40)),
168 };
169 
170 static struct platform_device scif1_device = {
171 	.name		= "sh-sci",
172 	.id		= 1,
173 	.resource	= scif1_resources,
174 	.num_resources	= ARRAY_SIZE(scif1_resources),
175 	.dev		= {
176 		.platform_data	= &scif1_platform_data,
177 	},
178 };
179 
180 static struct plat_sci_port scif2_platform_data = {
181 	.flags		= UPF_BOOT_AUTOCONF,
182 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
183 	.type		= PORT_SCIF,
184 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
185 };
186 
187 static struct resource scif2_resources[] = {
188 	DEFINE_RES_MEM(0xfe620000, 0x100),
189 	DEFINE_RES_IRQ(evt2irq(0xb80)),
190 	DEFINE_RES_IRQ(evt2irq(0xba0)),
191 	DEFINE_RES_IRQ(evt2irq(0xbe0)),
192 	DEFINE_RES_IRQ(evt2irq(0xbc0)),
193 };
194 
195 static struct platform_device scif2_device = {
196 	.name		= "sh-sci",
197 	.id		= 2,
198 	.resource	= scif2_resources,
199 	.num_resources	= ARRAY_SIZE(scif2_resources),
200 	.dev		= {
201 		.platform_data	= &scif2_platform_data,
202 	},
203 };
204 
205 static struct plat_sci_port scif3_platform_data = {
206 	.flags		= UPF_BOOT_AUTOCONF,
207 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
208 	.type		= PORT_SCI,
209 	.regshift	= 2,
210 };
211 
212 static struct resource scif3_resources[] = {
213 	DEFINE_RES_MEM(0xfe480000, 0x100),
214 	DEFINE_RES_IRQ(evt2irq(0xc00)),
215 	DEFINE_RES_IRQ(evt2irq(0xc20)),
216 	DEFINE_RES_IRQ(evt2irq(0xc40)),
217 };
218 
219 static struct platform_device scif3_device = {
220 	.name		= "sh-sci",
221 	.id		= 3,
222 	.resource	= scif3_resources,
223 	.num_resources	= ARRAY_SIZE(scif3_resources),
224 	.dev		= {
225 		.platform_data	= &scif3_platform_data,
226 	},
227 };
228 
229 static struct sh_timer_config tmu0_platform_data = {
230 	.channels_mask = 7,
231 };
232 
233 static struct resource tmu0_resources[] = {
234 	DEFINE_RES_MEM(0xffd80000, 0x30),
235 	DEFINE_RES_IRQ(evt2irq(0x400)),
236 	DEFINE_RES_IRQ(evt2irq(0x420)),
237 	DEFINE_RES_IRQ(evt2irq(0x440)),
238 };
239 
240 static struct platform_device tmu0_device = {
241 	.name		= "sh-tmu",
242 	.id		= 0,
243 	.dev = {
244 		.platform_data	= &tmu0_platform_data,
245 	},
246 	.resource	= tmu0_resources,
247 	.num_resources	= ARRAY_SIZE(tmu0_resources),
248 };
249 
250 
251 static struct platform_device *sh7760_devices[] __initdata = {
252 	&scif0_device,
253 	&scif1_device,
254 	&scif2_device,
255 	&scif3_device,
256 	&tmu0_device,
257 };
258 
259 static int __init sh7760_devices_setup(void)
260 {
261 	return platform_add_devices(sh7760_devices,
262 				    ARRAY_SIZE(sh7760_devices));
263 }
264 arch_initcall(sh7760_devices_setup);
265 
266 static struct platform_device *sh7760_early_devices[] __initdata = {
267 	&scif0_device,
268 	&scif1_device,
269 	&scif2_device,
270 	&scif3_device,
271 	&tmu0_device,
272 };
273 
274 void __init plat_early_device_setup(void)
275 {
276 	early_platform_add_devices(sh7760_early_devices,
277 				   ARRAY_SIZE(sh7760_early_devices));
278 }
279 
280 #define INTC_ICR	0xffd00000UL
281 #define INTC_ICR_IRLM	(1 << 7)
282 
283 void __init plat_irq_setup_pins(int mode)
284 {
285 	switch (mode) {
286 	case IRQ_MODE_IRQ:
287 		__raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
288 		register_intc_controller(&intc_desc_irq);
289 		break;
290 	default:
291 		BUG();
292 	}
293 }
294 
295 void __init plat_irq_setup(void)
296 {
297 	register_intc_controller(&intc_desc);
298 }
299