sh: multiple vectors per irq - sh7780
[deliverable/linux.git] / arch / sh / kernel / cpu / sh4a / setup-sh7780.c
CommitLineData
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1/*
2 * SH7780 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>
953c8ef2 13#include <linux/io.h>
96de1a8f 14#include <linux/serial_sci.h>
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15
16static struct resource rtc_resources[] = {
17 [0] = {
18 .start = 0xffe80000,
19 .end = 0xffe80000 + 0x58 - 1,
20 .flags = IORESOURCE_IO,
21 },
22 [1] = {
a842fb2d 23 /* Shared Period/Carry/Alarm IRQ */
39c7aa9e 24 .start = 20,
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25 .flags = IORESOURCE_IRQ,
26 },
27};
28
29static struct platform_device rtc_device = {
30 .name = "sh-rtc",
31 .id = -1,
32 .num_resources = ARRAY_SIZE(rtc_resources),
33 .resource = rtc_resources,
34};
35
36static struct plat_sci_port sci_platform_data[] = {
37 {
38 .mapbase = 0xffe00000,
39 .flags = UPF_BOOT_AUTOCONF,
40 .type = PORT_SCIF,
a842fb2d 41 .irqs = { 40, 40, 40, 40 },
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42 }, {
43 .mapbase = 0xffe10000,
44 .flags = UPF_BOOT_AUTOCONF,
45 .type = PORT_SCIF,
a842fb2d 46 .irqs = { 76, 76, 76, 76 },
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47 }, {
48 .flags = 0,
49 }
50};
51
52static struct platform_device sci_device = {
53 .name = "sh-sci",
54 .id = -1,
55 .dev = {
56 .platform_data = sci_platform_data,
57 },
58};
59
60static struct platform_device *sh7780_devices[] __initdata = {
61 &rtc_device,
62 &sci_device,
63};
64
65static int __init sh7780_devices_setup(void)
66{
67 return platform_add_devices(sh7780_devices,
68 ARRAY_SIZE(sh7780_devices));
69}
70__initcall(sh7780_devices_setup);
66a74057 71
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72enum {
73 UNUSED = 0,
66a74057 74
39c7aa9e 75 /* interrupt sources */
66a74057 76
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77 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
78 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
79 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
80 IRL_HHLL, IRL_HHLH, IRL_HHHL,
9a7ef6d5 81
39c7aa9e 82 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
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83 RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
84 HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
85 PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
86 SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
9a7ef6d5 87
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88 /* interrupt groups */
89
a842fb2d 90 TMU012, TMU345,
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91};
92
5c37e025 93static struct intc_vect vectors[] __initdata = {
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94 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
95 INTC_VECT(RTC, 0x4c0),
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96 INTC_VECT(WDT, 0x560),
97 INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
98 INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
99 INTC_VECT(HUDI, 0x600),
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100 INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
101 INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
102 INTC_VECT(DMAC0, 0x6c0),
103 INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
104 INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
105 INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
106 INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
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107 INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
108 INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
109 INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
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110 INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
111 INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
112 INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
113 INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
114 INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
39c7aa9e 115 INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
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116 INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
117 INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
118 INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
119 INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
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120 INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
121 INTC_VECT(TMU5, 0xe40),
122 INTC_VECT(SSI, 0xe80),
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123 INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
124 INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
125 INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
126 INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
39c7aa9e 127};
d619500a 128
5c37e025 129static struct intc_group groups[] __initdata = {
39c7aa9e 130 INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
39c7aa9e 131 INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
39c7aa9e 132};
d619500a 133
5c37e025 134static struct intc_mask_reg mask_registers[] __initdata = {
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135 { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
136 { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
137 SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
138 PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
139 HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
140};
141
5c37e025 142static struct intc_prio_reg prio_registers[] __initdata = {
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143 { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
144 TMU2, TMU2_TICPI } },
145 { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
146 { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
147 { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
148 { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
149 PCISERR, PCIINTA, } },
150 { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
151 PCIINTD, PCIC5 } },
152 { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
153 { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
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154};
155
7f3edee8 156static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
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157 mask_registers, prio_registers, NULL);
158
159/* Support for external interrupt pins in IRQ mode */
160
5c37e025 161static struct intc_vect irq_vectors[] __initdata = {
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162 INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
163 INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
164 INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
165 INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
166};
167
5c37e025 168static struct intc_mask_reg irq_mask_registers[] __initdata = {
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169 { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
170 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
171};
172
5c37e025 173static struct intc_prio_reg irq_prio_registers[] __initdata = {
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174 { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
175 IRQ4, IRQ5, IRQ6, IRQ7 } },
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176};
177
5c37e025 178static struct intc_sense_reg irq_sense_registers[] __initdata = {
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179 { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
180 IRQ4, IRQ5, IRQ6, IRQ7 } },
181};
182
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183static struct intc_mask_reg irq_ack_registers[] __initdata = {
184 { 0xffd00024, 0, 32, /* INTREQ */
185 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
186};
187
188static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
189 NULL, irq_mask_registers, irq_prio_registers,
190 irq_sense_registers, irq_ack_registers);
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191
192/* External interrupt pins in IRL mode */
193
5c37e025 194static struct intc_vect irl_vectors[] __initdata = {
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195 INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
196 INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
197 INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
198 INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
199 INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
200 INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
201 INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
202 INTC_VECT(IRL_HHHL, 0x3c0),
203};
204
5c37e025 205static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
953c8ef2 206 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
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207 { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
208 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
209 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
210 IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
211};
212
5c37e025 213static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
953c8ef2 214 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
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215 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
216 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
217 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
218 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
219 IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
220};
221
222static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
7f3edee8 223 NULL, irl7654_mask_registers, NULL, NULL);
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224
225static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
7f3edee8 226 NULL, irl3210_mask_registers, NULL, NULL);
39c7aa9e 227
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228#define INTC_ICR0 0xffd00000
229#define INTC_INTMSK0 0xffd00044
230#define INTC_INTMSK1 0xffd00048
231#define INTC_INTMSK2 0xffd40080
232#define INTC_INTMSKCLR1 0xffd00068
233#define INTC_INTMSKCLR2 0xffd40084
234
90015c89 235void __init plat_irq_setup(void)
66a74057 236{
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237 /* disable IRQ7-0 */
238 ctrl_outl(0xff000000, INTC_INTMSK0);
239
240 /* disable IRL3-0 + IRL7-4 */
241 ctrl_outl(0xc0000000, INTC_INTMSK1);
242 ctrl_outl(0xfffefffe, INTC_INTMSK2);
243
244 /* select IRL mode for IRL3-0 + IRL7-4 */
245 ctrl_outl(ctrl_inl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
246
247 /* disable holding function, ie enable "SH-4 Mode" */
248 ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00200000, INTC_ICR0);
249
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250 register_intc_controller(&intc_desc);
251}
252
253void __init plat_irq_setup_pins(int mode)
254{
255 switch (mode) {
256 case IRQ_MODE_IRQ:
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257 /* select IRQ mode for IRL3-0 + IRL7-4 */
258 ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
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259 register_intc_controller(&intc_irq_desc);
260 break;
261 case IRQ_MODE_IRL7654:
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262 /* enable IRL7-4 but don't provide any masking */
263 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
264 ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
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265 break;
266 case IRQ_MODE_IRL3210:
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267 /* enable IRL0-3 but don't provide any masking */
268 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
269 ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
270 break;
271 case IRQ_MODE_IRL7654_MASK:
272 /* enable IRL7-4 and mask using cpu intc controller */
273 ctrl_outl(0x40000000, INTC_INTMSKCLR1);
274 register_intc_controller(&intc_irl7654_desc);
275 break;
276 case IRQ_MODE_IRL3210_MASK:
277 /* enable IRL0-3 and mask using cpu intc controller */
278 ctrl_outl(0x80000000, INTC_INTMSKCLR1);
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279 register_intc_controller(&intc_irl3210_desc);
280 break;
281 default:
282 BUG();
283 }
66a74057 284}
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