Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[pandora-kernel.git] / arch / sh / kernel / cpu / sh4 / setup-sh7760.c
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         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
133         .scbrr_algo_id  = SCBRR_ALGO_2,
134         .type           = PORT_SCIF,
135         .irqs           = { 52, 53, 55, 54 },
136         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
137 };
138
139 static struct platform_device scif0_device = {
140         .name           = "sh-sci",
141         .id             = 0,
142         .dev            = {
143                 .platform_data  = &scif0_platform_data,
144         },
145 };
146
147 static struct plat_sci_port scif1_platform_data = {
148         .mapbase        = 0xfe610000,
149         .flags          = UPF_BOOT_AUTOCONF,
150         .type           = PORT_SCIF,
151         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
152         .scbrr_algo_id  = SCBRR_ALGO_2,
153         .irqs           = { 72, 73, 75, 74 },
154         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
155 };
156
157 static struct platform_device scif1_device = {
158         .name           = "sh-sci",
159         .id             = 1,
160         .dev            = {
161                 .platform_data  = &scif1_platform_data,
162         },
163 };
164
165 static struct plat_sci_port scif2_platform_data = {
166         .mapbase        = 0xfe620000,
167         .flags          = UPF_BOOT_AUTOCONF,
168         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
169         .scbrr_algo_id  = SCBRR_ALGO_2,
170         .type           = PORT_SCIF,
171         .irqs           = { 76, 77, 79, 78 },
172         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
173 };
174
175 static struct platform_device scif2_device = {
176         .name           = "sh-sci",
177         .id             = 2,
178         .dev            = {
179                 .platform_data  = &scif2_platform_data,
180         },
181 };
182
183 static struct plat_sci_port scif3_platform_data = {
184         .mapbase        = 0xfe480000,
185         .flags          = UPF_BOOT_AUTOCONF,
186         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
187         .scbrr_algo_id  = SCBRR_ALGO_2,
188         .type           = PORT_SCI,
189         .irqs           = { 80, 81, 82, 0 },
190         .regshift       = 2,
191 };
192
193 static struct platform_device scif3_device = {
194         .name           = "sh-sci",
195         .id             = 3,
196         .dev            = {
197                 .platform_data  = &scif3_platform_data,
198         },
199 };
200
201 static struct sh_timer_config tmu0_platform_data = {
202         .channel_offset = 0x04,
203         .timer_bit = 0,
204         .clockevent_rating = 200,
205 };
206
207 static struct resource tmu0_resources[] = {
208         [0] = {
209                 .start  = 0xffd80008,
210                 .end    = 0xffd80013,
211                 .flags  = IORESOURCE_MEM,
212         },
213         [1] = {
214                 .start  = 16,
215                 .flags  = IORESOURCE_IRQ,
216         },
217 };
218
219 static struct platform_device tmu0_device = {
220         .name           = "sh_tmu",
221         .id             = 0,
222         .dev = {
223                 .platform_data  = &tmu0_platform_data,
224         },
225         .resource       = tmu0_resources,
226         .num_resources  = ARRAY_SIZE(tmu0_resources),
227 };
228
229 static struct sh_timer_config tmu1_platform_data = {
230         .channel_offset = 0x10,
231         .timer_bit = 1,
232         .clocksource_rating = 200,
233 };
234
235 static struct resource tmu1_resources[] = {
236         [0] = {
237                 .start  = 0xffd80014,
238                 .end    = 0xffd8001f,
239                 .flags  = IORESOURCE_MEM,
240         },
241         [1] = {
242                 .start  = 17,
243                 .flags  = IORESOURCE_IRQ,
244         },
245 };
246
247 static struct platform_device tmu1_device = {
248         .name           = "sh_tmu",
249         .id             = 1,
250         .dev = {
251                 .platform_data  = &tmu1_platform_data,
252         },
253         .resource       = tmu1_resources,
254         .num_resources  = ARRAY_SIZE(tmu1_resources),
255 };
256
257 static struct sh_timer_config tmu2_platform_data = {
258         .channel_offset = 0x1c,
259         .timer_bit = 2,
260 };
261
262 static struct resource tmu2_resources[] = {
263         [0] = {
264                 .start  = 0xffd80020,
265                 .end    = 0xffd8002f,
266                 .flags  = IORESOURCE_MEM,
267         },
268         [1] = {
269                 .start  = 18,
270                 .flags  = IORESOURCE_IRQ,
271         },
272 };
273
274 static struct platform_device tmu2_device = {
275         .name           = "sh_tmu",
276         .id             = 2,
277         .dev = {
278                 .platform_data  = &tmu2_platform_data,
279         },
280         .resource       = tmu2_resources,
281         .num_resources  = ARRAY_SIZE(tmu2_resources),
282 };
283
284
285 static struct platform_device *sh7760_devices[] __initdata = {
286         &scif0_device,
287         &scif1_device,
288         &scif2_device,
289         &scif3_device,
290         &tmu0_device,
291         &tmu1_device,
292         &tmu2_device,
293 };
294
295 static int __init sh7760_devices_setup(void)
296 {
297         return platform_add_devices(sh7760_devices,
298                                     ARRAY_SIZE(sh7760_devices));
299 }
300 arch_initcall(sh7760_devices_setup);
301
302 static struct platform_device *sh7760_early_devices[] __initdata = {
303         &scif0_device,
304         &scif1_device,
305         &scif2_device,
306         &scif3_device,
307         &tmu0_device,
308         &tmu1_device,
309         &tmu2_device,
310 };
311
312 void __init plat_early_device_setup(void)
313 {
314         early_platform_add_devices(sh7760_early_devices,
315                                    ARRAY_SIZE(sh7760_early_devices));
316 }
317
318 #define INTC_ICR        0xffd00000UL
319 #define INTC_ICR_IRLM   (1 << 7)
320
321 void __init plat_irq_setup_pins(int mode)
322 {
323         switch (mode) {
324         case IRQ_MODE_IRQ:
325                 __raw_writew(__raw_readw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
326                 register_intc_controller(&intc_desc_irq);
327                 break;
328         default:
329                 BUG();
330         }
331 }
332
333 void __init plat_irq_setup(void)
334 {
335         register_intc_controller(&intc_desc);
336 }