[ARM] 5460/1: Orion: reduce namespace pollution
[linux-2.6.git] / arch / arm / mach-kirkwood / common.c
1 /*
2  * arch/arm/mach-kirkwood/common.c
3  *
4  * Core functions for Marvell Kirkwood SoCs
5  *
6  * This file is licensed under the terms of the GNU General Public
7  * License version 2.  This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/serial_8250.h>
15 #include <linux/mbus.h>
16 #include <linux/mv643xx_eth.h>
17 #include <linux/mv643xx_i2c.h>
18 #include <linux/ata_platform.h>
19 #include <linux/spi/orion_spi.h>
20 #include <net/dsa.h>
21 #include <asm/page.h>
22 #include <asm/timex.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/time.h>
25 #include <mach/kirkwood.h>
26 #include <mach/bridge-regs.h>
27 #include <plat/cache-feroceon-l2.h>
28 #include <plat/ehci-orion.h>
29 #include <plat/mvsdio.h>
30 #include <plat/mv_xor.h>
31 #include <plat/orion_nand.h>
32 #include <plat/time.h>
33 #include "common.h"
34
35 /*****************************************************************************
36  * I/O Address Mapping
37  ****************************************************************************/
38 static struct map_desc kirkwood_io_desc[] __initdata = {
39         {
40                 .virtual        = KIRKWOOD_PCIE_IO_VIRT_BASE,
41                 .pfn            = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
42                 .length         = KIRKWOOD_PCIE_IO_SIZE,
43                 .type           = MT_DEVICE,
44         }, {
45                 .virtual        = KIRKWOOD_REGS_VIRT_BASE,
46                 .pfn            = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
47                 .length         = KIRKWOOD_REGS_SIZE,
48                 .type           = MT_DEVICE,
49         },
50 };
51
52 void __init kirkwood_map_io(void)
53 {
54         iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
55 }
56
57
58 /*****************************************************************************
59  * EHCI
60  ****************************************************************************/
61 static struct orion_ehci_data kirkwood_ehci_data = {
62         .dram           = &kirkwood_mbus_dram_info,
63         .phy_version    = EHCI_PHY_NA,
64 };
65
66 static u64 ehci_dmamask = 0xffffffffUL;
67
68
69 /*****************************************************************************
70  * EHCI0
71  ****************************************************************************/
72 static struct resource kirkwood_ehci_resources[] = {
73         {
74                 .start  = USB_PHYS_BASE,
75                 .end    = USB_PHYS_BASE + 0x0fff,
76                 .flags  = IORESOURCE_MEM,
77         }, {
78                 .start  = IRQ_KIRKWOOD_USB,
79                 .end    = IRQ_KIRKWOOD_USB,
80                 .flags  = IORESOURCE_IRQ,
81         },
82 };
83
84 static struct platform_device kirkwood_ehci = {
85         .name           = "orion-ehci",
86         .id             = 0,
87         .dev            = {
88                 .dma_mask               = &ehci_dmamask,
89                 .coherent_dma_mask      = 0xffffffff,
90                 .platform_data          = &kirkwood_ehci_data,
91         },
92         .resource       = kirkwood_ehci_resources,
93         .num_resources  = ARRAY_SIZE(kirkwood_ehci_resources),
94 };
95
96 void __init kirkwood_ehci_init(void)
97 {
98         platform_device_register(&kirkwood_ehci);
99 }
100
101
102 /*****************************************************************************
103  * GE00
104  ****************************************************************************/
105 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
106         .dram           = &kirkwood_mbus_dram_info,
107 };
108
109 static struct resource kirkwood_ge00_shared_resources[] = {
110         {
111                 .name   = "ge00 base",
112                 .start  = GE00_PHYS_BASE + 0x2000,
113                 .end    = GE00_PHYS_BASE + 0x3fff,
114                 .flags  = IORESOURCE_MEM,
115         }, {
116                 .name   = "ge00 err irq",
117                 .start  = IRQ_KIRKWOOD_GE00_ERR,
118                 .end    = IRQ_KIRKWOOD_GE00_ERR,
119                 .flags  = IORESOURCE_IRQ,
120         },
121 };
122
123 static struct platform_device kirkwood_ge00_shared = {
124         .name           = MV643XX_ETH_SHARED_NAME,
125         .id             = 0,
126         .dev            = {
127                 .platform_data  = &kirkwood_ge00_shared_data,
128         },
129         .num_resources  = ARRAY_SIZE(kirkwood_ge00_shared_resources),
130         .resource       = kirkwood_ge00_shared_resources,
131 };
132
133 static struct resource kirkwood_ge00_resources[] = {
134         {
135                 .name   = "ge00 irq",
136                 .start  = IRQ_KIRKWOOD_GE00_SUM,
137                 .end    = IRQ_KIRKWOOD_GE00_SUM,
138                 .flags  = IORESOURCE_IRQ,
139         },
140 };
141
142 static struct platform_device kirkwood_ge00 = {
143         .name           = MV643XX_ETH_NAME,
144         .id             = 0,
145         .num_resources  = 1,
146         .resource       = kirkwood_ge00_resources,
147 };
148
149 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
150 {
151         eth_data->shared = &kirkwood_ge00_shared;
152         kirkwood_ge00.dev.platform_data = eth_data;
153
154         platform_device_register(&kirkwood_ge00_shared);
155         platform_device_register(&kirkwood_ge00);
156 }
157
158
159 /*****************************************************************************
160  * GE01
161  ****************************************************************************/
162 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
163         .dram           = &kirkwood_mbus_dram_info,
164         .shared_smi     = &kirkwood_ge00_shared,
165 };
166
167 static struct resource kirkwood_ge01_shared_resources[] = {
168         {
169                 .name   = "ge01 base",
170                 .start  = GE01_PHYS_BASE + 0x2000,
171                 .end    = GE01_PHYS_BASE + 0x3fff,
172                 .flags  = IORESOURCE_MEM,
173         }, {
174                 .name   = "ge01 err irq",
175                 .start  = IRQ_KIRKWOOD_GE01_ERR,
176                 .end    = IRQ_KIRKWOOD_GE01_ERR,
177                 .flags  = IORESOURCE_IRQ,
178         },
179 };
180
181 static struct platform_device kirkwood_ge01_shared = {
182         .name           = MV643XX_ETH_SHARED_NAME,
183         .id             = 1,
184         .dev            = {
185                 .platform_data  = &kirkwood_ge01_shared_data,
186         },
187         .num_resources  = ARRAY_SIZE(kirkwood_ge01_shared_resources),
188         .resource       = kirkwood_ge01_shared_resources,
189 };
190
191 static struct resource kirkwood_ge01_resources[] = {
192         {
193                 .name   = "ge01 irq",
194                 .start  = IRQ_KIRKWOOD_GE01_SUM,
195                 .end    = IRQ_KIRKWOOD_GE01_SUM,
196                 .flags  = IORESOURCE_IRQ,
197         },
198 };
199
200 static struct platform_device kirkwood_ge01 = {
201         .name           = MV643XX_ETH_NAME,
202         .id             = 1,
203         .num_resources  = 1,
204         .resource       = kirkwood_ge01_resources,
205 };
206
207 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
208 {
209         eth_data->shared = &kirkwood_ge01_shared;
210         kirkwood_ge01.dev.platform_data = eth_data;
211
212         platform_device_register(&kirkwood_ge01_shared);
213         platform_device_register(&kirkwood_ge01);
214 }
215
216
217 /*****************************************************************************
218  * Ethernet switch
219  ****************************************************************************/
220 static struct resource kirkwood_switch_resources[] = {
221         {
222                 .start  = 0,
223                 .end    = 0,
224                 .flags  = IORESOURCE_IRQ,
225         },
226 };
227
228 static struct platform_device kirkwood_switch_device = {
229         .name           = "dsa",
230         .id             = 0,
231         .num_resources  = 0,
232         .resource       = kirkwood_switch_resources,
233 };
234
235 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
236 {
237         int i;
238
239         if (irq != NO_IRQ) {
240                 kirkwood_switch_resources[0].start = irq;
241                 kirkwood_switch_resources[0].end = irq;
242                 kirkwood_switch_device.num_resources = 1;
243         }
244
245         d->netdev = &kirkwood_ge00.dev;
246         for (i = 0; i < d->nr_chips; i++)
247                 d->chip[i].mii_bus = &kirkwood_ge00_shared.dev;
248         kirkwood_switch_device.dev.platform_data = d;
249
250         platform_device_register(&kirkwood_switch_device);
251 }
252
253
254 /*****************************************************************************
255  * SoC RTC
256  ****************************************************************************/
257 static struct resource kirkwood_rtc_resource = {
258         .start  = RTC_PHYS_BASE,
259         .end    = RTC_PHYS_BASE + SZ_16 - 1,
260         .flags  = IORESOURCE_MEM,
261 };
262
263 static void __init kirkwood_rtc_init(void)
264 {
265         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
266 }
267
268
269 /*****************************************************************************
270  * SATA
271  ****************************************************************************/
272 static struct resource kirkwood_sata_resources[] = {
273         {
274                 .name   = "sata base",
275                 .start  = SATA_PHYS_BASE,
276                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
277                 .flags  = IORESOURCE_MEM,
278         }, {
279                 .name   = "sata irq",
280                 .start  = IRQ_KIRKWOOD_SATA,
281                 .end    = IRQ_KIRKWOOD_SATA,
282                 .flags  = IORESOURCE_IRQ,
283         },
284 };
285
286 static struct platform_device kirkwood_sata = {
287         .name           = "sata_mv",
288         .id             = 0,
289         .dev            = {
290                 .coherent_dma_mask      = 0xffffffff,
291         },
292         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
293         .resource       = kirkwood_sata_resources,
294 };
295
296 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
297 {
298         sata_data->dram = &kirkwood_mbus_dram_info;
299         kirkwood_sata.dev.platform_data = sata_data;
300         platform_device_register(&kirkwood_sata);
301 }
302
303
304 /*****************************************************************************
305  * SD/SDIO/MMC
306  ****************************************************************************/
307 static struct resource mvsdio_resources[] = {
308         [0] = {
309                 .start  = SDIO_PHYS_BASE,
310                 .end    = SDIO_PHYS_BASE + SZ_1K - 1,
311                 .flags  = IORESOURCE_MEM,
312         },
313         [1] = {
314                 .start  = IRQ_KIRKWOOD_SDIO,
315                 .end    = IRQ_KIRKWOOD_SDIO,
316                 .flags  = IORESOURCE_IRQ,
317         },
318 };
319
320 static u64 mvsdio_dmamask = 0xffffffffUL;
321
322 static struct platform_device kirkwood_sdio = {
323         .name           = "mvsdio",
324         .id             = -1,
325         .dev            = {
326                 .dma_mask = &mvsdio_dmamask,
327                 .coherent_dma_mask = 0xffffffff,
328         },
329         .num_resources  = ARRAY_SIZE(mvsdio_resources),
330         .resource       = mvsdio_resources,
331 };
332
333 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
334 {
335         u32 dev, rev;
336
337         kirkwood_pcie_id(&dev, &rev);
338         if (rev == 0)  /* catch all Kirkwood Z0's */
339                 mvsdio_data->clock = 100000000;
340         else
341                 mvsdio_data->clock = 200000000;
342         mvsdio_data->dram = &kirkwood_mbus_dram_info;
343         kirkwood_sdio.dev.platform_data = mvsdio_data;
344         platform_device_register(&kirkwood_sdio);
345 }
346
347
348 /*****************************************************************************
349  * SPI
350  ****************************************************************************/
351 static struct orion_spi_info kirkwood_spi_plat_data = {
352 };
353
354 static struct resource kirkwood_spi_resources[] = {
355         {
356                 .start  = SPI_PHYS_BASE,
357                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
358                 .flags  = IORESOURCE_MEM,
359         },
360 };
361
362 static struct platform_device kirkwood_spi = {
363         .name           = "orion_spi",
364         .id             = 0,
365         .resource       = kirkwood_spi_resources,
366         .dev            = {
367                 .platform_data  = &kirkwood_spi_plat_data,
368         },
369         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
370 };
371
372 void __init kirkwood_spi_init()
373 {
374         platform_device_register(&kirkwood_spi);
375 }
376
377
378 /*****************************************************************************
379  * I2C
380  ****************************************************************************/
381 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
382         .freq_m         = 8, /* assumes 166 MHz TCLK */
383         .freq_n         = 3,
384         .timeout        = 1000, /* Default timeout of 1 second */
385 };
386
387 static struct resource kirkwood_i2c_resources[] = {
388         {
389                 .name   = "i2c",
390                 .start  = I2C_PHYS_BASE,
391                 .end    = I2C_PHYS_BASE + 0x1f,
392                 .flags  = IORESOURCE_MEM,
393         }, {
394                 .name   = "i2c",
395                 .start  = IRQ_KIRKWOOD_TWSI,
396                 .end    = IRQ_KIRKWOOD_TWSI,
397                 .flags  = IORESOURCE_IRQ,
398         },
399 };
400
401 static struct platform_device kirkwood_i2c = {
402         .name           = MV64XXX_I2C_CTLR_NAME,
403         .id             = 0,
404         .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
405         .resource       = kirkwood_i2c_resources,
406         .dev            = {
407                 .platform_data  = &kirkwood_i2c_pdata,
408         },
409 };
410
411 void __init kirkwood_i2c_init(void)
412 {
413         platform_device_register(&kirkwood_i2c);
414 }
415
416
417 /*****************************************************************************
418  * UART0
419  ****************************************************************************/
420 static struct plat_serial8250_port kirkwood_uart0_data[] = {
421         {
422                 .mapbase        = UART0_PHYS_BASE,
423                 .membase        = (char *)UART0_VIRT_BASE,
424                 .irq            = IRQ_KIRKWOOD_UART_0,
425                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
426                 .iotype         = UPIO_MEM,
427                 .regshift       = 2,
428                 .uartclk        = 0,
429         }, {
430         },
431 };
432
433 static struct resource kirkwood_uart0_resources[] = {
434         {
435                 .start          = UART0_PHYS_BASE,
436                 .end            = UART0_PHYS_BASE + 0xff,
437                 .flags          = IORESOURCE_MEM,
438         }, {
439                 .start          = IRQ_KIRKWOOD_UART_0,
440                 .end            = IRQ_KIRKWOOD_UART_0,
441                 .flags          = IORESOURCE_IRQ,
442         },
443 };
444
445 static struct platform_device kirkwood_uart0 = {
446         .name                   = "serial8250",
447         .id                     = 0,
448         .dev                    = {
449                 .platform_data  = kirkwood_uart0_data,
450         },
451         .resource               = kirkwood_uart0_resources,
452         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
453 };
454
455 void __init kirkwood_uart0_init(void)
456 {
457         platform_device_register(&kirkwood_uart0);
458 }
459
460
461 /*****************************************************************************
462  * UART1
463  ****************************************************************************/
464 static struct plat_serial8250_port kirkwood_uart1_data[] = {
465         {
466                 .mapbase        = UART1_PHYS_BASE,
467                 .membase        = (char *)UART1_VIRT_BASE,
468                 .irq            = IRQ_KIRKWOOD_UART_1,
469                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
470                 .iotype         = UPIO_MEM,
471                 .regshift       = 2,
472                 .uartclk        = 0,
473         }, {
474         },
475 };
476
477 static struct resource kirkwood_uart1_resources[] = {
478         {
479                 .start          = UART1_PHYS_BASE,
480                 .end            = UART1_PHYS_BASE + 0xff,
481                 .flags          = IORESOURCE_MEM,
482         }, {
483                 .start          = IRQ_KIRKWOOD_UART_1,
484                 .end            = IRQ_KIRKWOOD_UART_1,
485                 .flags          = IORESOURCE_IRQ,
486         },
487 };
488
489 static struct platform_device kirkwood_uart1 = {
490         .name                   = "serial8250",
491         .id                     = 1,
492         .dev                    = {
493                 .platform_data  = kirkwood_uart1_data,
494         },
495         .resource               = kirkwood_uart1_resources,
496         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
497 };
498
499 void __init kirkwood_uart1_init(void)
500 {
501         platform_device_register(&kirkwood_uart1);
502 }
503
504
505 /*****************************************************************************
506  * XOR
507  ****************************************************************************/
508 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
509         .dram           = &kirkwood_mbus_dram_info,
510 };
511
512 static u64 kirkwood_xor_dmamask = DMA_BIT_MASK(32);
513
514
515 /*****************************************************************************
516  * XOR0
517  ****************************************************************************/
518 static struct resource kirkwood_xor0_shared_resources[] = {
519         {
520                 .name   = "xor 0 low",
521                 .start  = XOR0_PHYS_BASE,
522                 .end    = XOR0_PHYS_BASE + 0xff,
523                 .flags  = IORESOURCE_MEM,
524         }, {
525                 .name   = "xor 0 high",
526                 .start  = XOR0_HIGH_PHYS_BASE,
527                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
528                 .flags  = IORESOURCE_MEM,
529         },
530 };
531
532 static struct platform_device kirkwood_xor0_shared = {
533         .name           = MV_XOR_SHARED_NAME,
534         .id             = 0,
535         .dev            = {
536                 .platform_data = &kirkwood_xor_shared_data,
537         },
538         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
539         .resource       = kirkwood_xor0_shared_resources,
540 };
541
542 static struct resource kirkwood_xor00_resources[] = {
543         [0] = {
544                 .start  = IRQ_KIRKWOOD_XOR_00,
545                 .end    = IRQ_KIRKWOOD_XOR_00,
546                 .flags  = IORESOURCE_IRQ,
547         },
548 };
549
550 static struct mv_xor_platform_data kirkwood_xor00_data = {
551         .shared         = &kirkwood_xor0_shared,
552         .hw_id          = 0,
553         .pool_size      = PAGE_SIZE,
554 };
555
556 static struct platform_device kirkwood_xor00_channel = {
557         .name           = MV_XOR_NAME,
558         .id             = 0,
559         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
560         .resource       = kirkwood_xor00_resources,
561         .dev            = {
562                 .dma_mask               = &kirkwood_xor_dmamask,
563                 .coherent_dma_mask      = DMA_BIT_MASK(64),
564                 .platform_data          = (void *)&kirkwood_xor00_data,
565         },
566 };
567
568 static struct resource kirkwood_xor01_resources[] = {
569         [0] = {
570                 .start  = IRQ_KIRKWOOD_XOR_01,
571                 .end    = IRQ_KIRKWOOD_XOR_01,
572                 .flags  = IORESOURCE_IRQ,
573         },
574 };
575
576 static struct mv_xor_platform_data kirkwood_xor01_data = {
577         .shared         = &kirkwood_xor0_shared,
578         .hw_id          = 1,
579         .pool_size      = PAGE_SIZE,
580 };
581
582 static struct platform_device kirkwood_xor01_channel = {
583         .name           = MV_XOR_NAME,
584         .id             = 1,
585         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
586         .resource       = kirkwood_xor01_resources,
587         .dev            = {
588                 .dma_mask               = &kirkwood_xor_dmamask,
589                 .coherent_dma_mask      = DMA_BIT_MASK(64),
590                 .platform_data          = (void *)&kirkwood_xor01_data,
591         },
592 };
593
594 static void __init kirkwood_xor0_init(void)
595 {
596         platform_device_register(&kirkwood_xor0_shared);
597
598         /*
599          * two engines can't do memset simultaneously, this limitation
600          * satisfied by removing memset support from one of the engines.
601          */
602         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
603         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
604         platform_device_register(&kirkwood_xor00_channel);
605
606         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
607         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
608         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
609         platform_device_register(&kirkwood_xor01_channel);
610 }
611
612
613 /*****************************************************************************
614  * XOR1
615  ****************************************************************************/
616 static struct resource kirkwood_xor1_shared_resources[] = {
617         {
618                 .name   = "xor 1 low",
619                 .start  = XOR1_PHYS_BASE,
620                 .end    = XOR1_PHYS_BASE + 0xff,
621                 .flags  = IORESOURCE_MEM,
622         }, {
623                 .name   = "xor 1 high",
624                 .start  = XOR1_HIGH_PHYS_BASE,
625                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
626                 .flags  = IORESOURCE_MEM,
627         },
628 };
629
630 static struct platform_device kirkwood_xor1_shared = {
631         .name           = MV_XOR_SHARED_NAME,
632         .id             = 1,
633         .dev            = {
634                 .platform_data = &kirkwood_xor_shared_data,
635         },
636         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
637         .resource       = kirkwood_xor1_shared_resources,
638 };
639
640 static struct resource kirkwood_xor10_resources[] = {
641         [0] = {
642                 .start  = IRQ_KIRKWOOD_XOR_10,
643                 .end    = IRQ_KIRKWOOD_XOR_10,
644                 .flags  = IORESOURCE_IRQ,
645         },
646 };
647
648 static struct mv_xor_platform_data kirkwood_xor10_data = {
649         .shared         = &kirkwood_xor1_shared,
650         .hw_id          = 0,
651         .pool_size      = PAGE_SIZE,
652 };
653
654 static struct platform_device kirkwood_xor10_channel = {
655         .name           = MV_XOR_NAME,
656         .id             = 2,
657         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
658         .resource       = kirkwood_xor10_resources,
659         .dev            = {
660                 .dma_mask               = &kirkwood_xor_dmamask,
661                 .coherent_dma_mask      = DMA_BIT_MASK(64),
662                 .platform_data          = (void *)&kirkwood_xor10_data,
663         },
664 };
665
666 static struct resource kirkwood_xor11_resources[] = {
667         [0] = {
668                 .start  = IRQ_KIRKWOOD_XOR_11,
669                 .end    = IRQ_KIRKWOOD_XOR_11,
670                 .flags  = IORESOURCE_IRQ,
671         },
672 };
673
674 static struct mv_xor_platform_data kirkwood_xor11_data = {
675         .shared         = &kirkwood_xor1_shared,
676         .hw_id          = 1,
677         .pool_size      = PAGE_SIZE,
678 };
679
680 static struct platform_device kirkwood_xor11_channel = {
681         .name           = MV_XOR_NAME,
682         .id             = 3,
683         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
684         .resource       = kirkwood_xor11_resources,
685         .dev            = {
686                 .dma_mask               = &kirkwood_xor_dmamask,
687                 .coherent_dma_mask      = DMA_BIT_MASK(64),
688                 .platform_data          = (void *)&kirkwood_xor11_data,
689         },
690 };
691
692 static void __init kirkwood_xor1_init(void)
693 {
694         platform_device_register(&kirkwood_xor1_shared);
695
696         /*
697          * two engines can't do memset simultaneously, this limitation
698          * satisfied by removing memset support from one of the engines.
699          */
700         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
701         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
702         platform_device_register(&kirkwood_xor10_channel);
703
704         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
705         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
706         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
707         platform_device_register(&kirkwood_xor11_channel);
708 }
709
710
711 /*****************************************************************************
712  * Time handling
713  ****************************************************************************/
714 int kirkwood_tclk;
715
716 int __init kirkwood_find_tclk(void)
717 {
718         u32 dev, rev;
719
720         kirkwood_pcie_id(&dev, &rev);
721         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
722                 return 200000000;
723
724         return 166666667;
725 }
726
727 static void kirkwood_timer_init(void)
728 {
729         kirkwood_tclk = kirkwood_find_tclk();
730         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
731 }
732
733 struct sys_timer kirkwood_timer = {
734         .init = kirkwood_timer_init,
735 };
736
737
738 /*****************************************************************************
739  * General
740  ****************************************************************************/
741 /*
742  * Identify device ID and revision.
743  */
744 static char * __init kirkwood_id(void)
745 {
746         u32 dev, rev;
747
748         kirkwood_pcie_id(&dev, &rev);
749
750         if (dev == MV88F6281_DEV_ID) {
751                 if (rev == MV88F6281_REV_Z0)
752                         return "MV88F6281-Z0";
753                 else if (rev == MV88F6281_REV_A0)
754                         return "MV88F6281-A0";
755                 else
756                         return "MV88F6281-Rev-Unsupported";
757         } else if (dev == MV88F6192_DEV_ID) {
758                 if (rev == MV88F6192_REV_Z0)
759                         return "MV88F6192-Z0";
760                 else if (rev == MV88F6192_REV_A0)
761                         return "MV88F6192-A0";
762                 else
763                         return "MV88F6192-Rev-Unsupported";
764         } else if (dev == MV88F6180_DEV_ID) {
765                 if (rev == MV88F6180_REV_A0)
766                         return "MV88F6180-Rev-A0";
767                 else
768                         return "MV88F6180-Rev-Unsupported";
769         } else {
770                 return "Device-Unknown";
771         }
772 }
773
774 static void __init kirkwood_l2_init(void)
775 {
776 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
777         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
778         feroceon_l2_init(1);
779 #else
780         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
781         feroceon_l2_init(0);
782 #endif
783 }
784
785 void __init kirkwood_init(void)
786 {
787         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
788                 kirkwood_id(), kirkwood_tclk);
789         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
790         kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
791         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
792         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
793         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
794
795         kirkwood_setup_cpu_mbus();
796
797 #ifdef CONFIG_CACHE_FEROCEON_L2
798         kirkwood_l2_init();
799 #endif
800
801         /* internal devices that every board has */
802         kirkwood_rtc_init();
803         kirkwood_xor0_init();
804         kirkwood_xor1_init();
805 }