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959f85f8 PM |
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> |
959f85f8 PM |
15 | |
16 | static 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, |
959f85f8 PM |
25 | .flags = IORESOURCE_IRQ, |
26 | }, | |
27 | }; | |
28 | ||
29 | static 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 | ||
36 | static 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 }, |
959f85f8 PM |
42 | }, { |
43 | .mapbase = 0xffe10000, | |
44 | .flags = UPF_BOOT_AUTOCONF, | |
45 | .type = PORT_SCIF, | |
a842fb2d | 46 | .irqs = { 76, 76, 76, 76 }, |
959f85f8 PM |
47 | }, { |
48 | .flags = 0, | |
49 | } | |
50 | }; | |
51 | ||
52 | static struct platform_device sci_device = { | |
53 | .name = "sh-sci", | |
54 | .id = -1, | |
55 | .dev = { | |
56 | .platform_data = sci_platform_data, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static struct platform_device *sh7780_devices[] __initdata = { | |
61 | &rtc_device, | |
62 | &sci_device, | |
63 | }; | |
64 | ||
65 | static 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 | |
39c7aa9e MD |
72 | enum { |
73 | UNUSED = 0, | |
66a74057 | 74 | |
39c7aa9e | 75 | /* interrupt sources */ |
66a74057 | 76 | |
39c7aa9e MD |
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, |
a842fb2d MD |
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 | |
39c7aa9e MD |
88 | /* interrupt groups */ |
89 | ||
a842fb2d | 90 | TMU012, TMU345, |
66a74057 PM |
91 | }; |
92 | ||
5c37e025 | 93 | static struct intc_vect vectors[] __initdata = { |
a842fb2d MD |
94 | INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0), |
95 | INTC_VECT(RTC, 0x4c0), | |
39c7aa9e MD |
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), | |
a842fb2d MD |
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), | |
39c7aa9e MD |
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), | |
a842fb2d MD |
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), |
a842fb2d MD |
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), | |
39c7aa9e MD |
120 | INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20), |
121 | INTC_VECT(TMU5, 0xe40), | |
122 | INTC_VECT(SSI, 0xe80), | |
a842fb2d MD |
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 | 129 | static 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 | 134 | static struct intc_mask_reg mask_registers[] __initdata = { |
39c7aa9e MD |
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 | 142 | static struct intc_prio_reg prio_registers[] __initdata = { |
6ef5fb2c MD |
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 } }, | |
39c7aa9e MD |
154 | }; |
155 | ||
7f3edee8 | 156 | static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups, |
39c7aa9e MD |
157 | mask_registers, prio_registers, NULL); |
158 | ||
159 | /* Support for external interrupt pins in IRQ mode */ | |
160 | ||
5c37e025 | 161 | static struct intc_vect irq_vectors[] __initdata = { |
39c7aa9e MD |
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 | 168 | static struct intc_mask_reg irq_mask_registers[] __initdata = { |
39c7aa9e MD |
169 | { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */ |
170 | { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, | |
171 | }; | |
172 | ||
5c37e025 | 173 | static struct intc_prio_reg irq_prio_registers[] __initdata = { |
6ef5fb2c MD |
174 | { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3, |
175 | IRQ4, IRQ5, IRQ6, IRQ7 } }, | |
d619500a MD |
176 | }; |
177 | ||
5c37e025 | 178 | static struct intc_sense_reg irq_sense_registers[] __initdata = { |
39c7aa9e MD |
179 | { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3, |
180 | IRQ4, IRQ5, IRQ6, IRQ7 } }, | |
181 | }; | |
182 | ||
6bdfb22a YS |
183 | static struct intc_mask_reg irq_ack_registers[] __initdata = { |
184 | { 0xffd00024, 0, 32, /* INTREQ */ | |
185 | { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } }, | |
186 | }; | |
187 | ||
188 | static 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); | |
39c7aa9e MD |
191 | |
192 | /* External interrupt pins in IRL mode */ | |
193 | ||
5c37e025 | 194 | static struct intc_vect irl_vectors[] __initdata = { |
39c7aa9e MD |
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 | 205 | static struct intc_mask_reg irl3210_mask_registers[] __initdata = { |
953c8ef2 | 206 | { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ |
39c7aa9e MD |
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 | 213 | static struct intc_mask_reg irl7654_mask_registers[] __initdata = { |
953c8ef2 | 214 | { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */ |
39c7aa9e MD |
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 | ||
222 | static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors, | |
7f3edee8 | 223 | NULL, irl7654_mask_registers, NULL, NULL); |
39c7aa9e MD |
224 | |
225 | static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors, | |
7f3edee8 | 226 | NULL, irl3210_mask_registers, NULL, NULL); |
39c7aa9e | 227 | |
953c8ef2 MD |
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 | 235 | void __init plat_irq_setup(void) |
66a74057 | 236 | { |
953c8ef2 MD |
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 | ||
39c7aa9e MD |
250 | register_intc_controller(&intc_desc); |
251 | } | |
252 | ||
253 | void __init plat_irq_setup_pins(int mode) | |
254 | { | |
255 | switch (mode) { | |
256 | case IRQ_MODE_IRQ: | |
953c8ef2 MD |
257 | /* select IRQ mode for IRL3-0 + IRL7-4 */ |
258 | ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0); | |
39c7aa9e MD |
259 | register_intc_controller(&intc_irq_desc); |
260 | break; | |
261 | case IRQ_MODE_IRL7654: | |
953c8ef2 MD |
262 | /* enable IRL7-4 but don't provide any masking */ |
263 | ctrl_outl(0x40000000, INTC_INTMSKCLR1); | |
264 | ctrl_outl(0x0000fffe, INTC_INTMSKCLR2); | |
39c7aa9e MD |
265 | break; |
266 | case IRQ_MODE_IRL3210: | |
953c8ef2 MD |
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); | |
39c7aa9e MD |
279 | register_intc_controller(&intc_irl3210_desc); |
280 | break; | |
281 | default: | |
282 | BUG(); | |
283 | } | |
66a74057 | 284 | } |