dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)
[linux-3.10.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 <plat/cache-feroceon-l2.h>
27 #include <plat/ehci-orion.h>
28 #include <plat/mvsdio.h>
29 #include <plat/mv_xor.h>
30 #include <plat/orion_nand.h>
31 #include <plat/time.h>
32 #include "common.h"
33
34 /*****************************************************************************
35  * I/O Address Mapping
36  ****************************************************************************/
37 static struct map_desc kirkwood_io_desc[] __initdata = {
38         {
39                 .virtual        = KIRKWOOD_PCIE_IO_VIRT_BASE,
40                 .pfn            = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
41                 .length         = KIRKWOOD_PCIE_IO_SIZE,
42                 .type           = MT_DEVICE,
43         }, {
44                 .virtual        = KIRKWOOD_REGS_VIRT_BASE,
45                 .pfn            = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
46                 .length         = KIRKWOOD_REGS_SIZE,
47                 .type           = MT_DEVICE,
48         },
49 };
50
51 void __init kirkwood_map_io(void)
52 {
53         iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
54 }
55
56
57 /*****************************************************************************
58  * EHCI
59  ****************************************************************************/
60 static struct orion_ehci_data kirkwood_ehci_data = {
61         .dram           = &kirkwood_mbus_dram_info,
62         .phy_version    = EHCI_PHY_NA,
63 };
64
65 static u64 ehci_dmamask = 0xffffffffUL;
66
67
68 /*****************************************************************************
69  * EHCI0
70  ****************************************************************************/
71 static struct resource kirkwood_ehci_resources[] = {
72         {
73                 .start  = USB_PHYS_BASE,
74                 .end    = USB_PHYS_BASE + 0x0fff,
75                 .flags  = IORESOURCE_MEM,
76         }, {
77                 .start  = IRQ_KIRKWOOD_USB,
78                 .end    = IRQ_KIRKWOOD_USB,
79                 .flags  = IORESOURCE_IRQ,
80         },
81 };
82
83 static struct platform_device kirkwood_ehci = {
84         .name           = "orion-ehci",
85         .id             = 0,
86         .dev            = {
87                 .dma_mask               = &ehci_dmamask,
88                 .coherent_dma_mask      = 0xffffffff,
89                 .platform_data          = &kirkwood_ehci_data,
90         },
91         .resource       = kirkwood_ehci_resources,
92         .num_resources  = ARRAY_SIZE(kirkwood_ehci_resources),
93 };
94
95 void __init kirkwood_ehci_init(void)
96 {
97         platform_device_register(&kirkwood_ehci);
98 }
99
100
101 /*****************************************************************************
102  * GE00
103  ****************************************************************************/
104 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
105         .dram           = &kirkwood_mbus_dram_info,
106 };
107
108 static struct resource kirkwood_ge00_shared_resources[] = {
109         {
110                 .name   = "ge00 base",
111                 .start  = GE00_PHYS_BASE + 0x2000,
112                 .end    = GE00_PHYS_BASE + 0x3fff,
113                 .flags  = IORESOURCE_MEM,
114         }, {
115                 .name   = "ge00 err irq",
116                 .start  = IRQ_KIRKWOOD_GE00_ERR,
117                 .end    = IRQ_KIRKWOOD_GE00_ERR,
118                 .flags  = IORESOURCE_IRQ,
119         },
120 };
121
122 static struct platform_device kirkwood_ge00_shared = {
123         .name           = MV643XX_ETH_SHARED_NAME,
124         .id             = 0,
125         .dev            = {
126                 .platform_data  = &kirkwood_ge00_shared_data,
127         },
128         .num_resources  = ARRAY_SIZE(kirkwood_ge00_shared_resources),
129         .resource       = kirkwood_ge00_shared_resources,
130 };
131
132 static struct resource kirkwood_ge00_resources[] = {
133         {
134                 .name   = "ge00 irq",
135                 .start  = IRQ_KIRKWOOD_GE00_SUM,
136                 .end    = IRQ_KIRKWOOD_GE00_SUM,
137                 .flags  = IORESOURCE_IRQ,
138         },
139 };
140
141 static struct platform_device kirkwood_ge00 = {
142         .name           = MV643XX_ETH_NAME,
143         .id             = 0,
144         .num_resources  = 1,
145         .resource       = kirkwood_ge00_resources,
146 };
147
148 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
149 {
150         eth_data->shared = &kirkwood_ge00_shared;
151         kirkwood_ge00.dev.platform_data = eth_data;
152
153         platform_device_register(&kirkwood_ge00_shared);
154         platform_device_register(&kirkwood_ge00);
155 }
156
157
158 /*****************************************************************************
159  * GE01
160  ****************************************************************************/
161 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
162         .dram           = &kirkwood_mbus_dram_info,
163         .shared_smi     = &kirkwood_ge00_shared,
164 };
165
166 static struct resource kirkwood_ge01_shared_resources[] = {
167         {
168                 .name   = "ge01 base",
169                 .start  = GE01_PHYS_BASE + 0x2000,
170                 .end    = GE01_PHYS_BASE + 0x3fff,
171                 .flags  = IORESOURCE_MEM,
172         }, {
173                 .name   = "ge01 err irq",
174                 .start  = IRQ_KIRKWOOD_GE01_ERR,
175                 .end    = IRQ_KIRKWOOD_GE01_ERR,
176                 .flags  = IORESOURCE_IRQ,
177         },
178 };
179
180 static struct platform_device kirkwood_ge01_shared = {
181         .name           = MV643XX_ETH_SHARED_NAME,
182         .id             = 1,
183         .dev            = {
184                 .platform_data  = &kirkwood_ge01_shared_data,
185         },
186         .num_resources  = ARRAY_SIZE(kirkwood_ge01_shared_resources),
187         .resource       = kirkwood_ge01_shared_resources,
188 };
189
190 static struct resource kirkwood_ge01_resources[] = {
191         {
192                 .name   = "ge01 irq",
193                 .start  = IRQ_KIRKWOOD_GE01_SUM,
194                 .end    = IRQ_KIRKWOOD_GE01_SUM,
195                 .flags  = IORESOURCE_IRQ,
196         },
197 };
198
199 static struct platform_device kirkwood_ge01 = {
200         .name           = MV643XX_ETH_NAME,
201         .id             = 1,
202         .num_resources  = 1,
203         .resource       = kirkwood_ge01_resources,
204 };
205
206 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
207 {
208         eth_data->shared = &kirkwood_ge01_shared;
209         kirkwood_ge01.dev.platform_data = eth_data;
210
211         platform_device_register(&kirkwood_ge01_shared);
212         platform_device_register(&kirkwood_ge01);
213 }
214
215
216 /*****************************************************************************
217  * Ethernet switch
218  ****************************************************************************/
219 static struct resource kirkwood_switch_resources[] = {
220         {
221                 .start  = 0,
222                 .end    = 0,
223                 .flags  = IORESOURCE_IRQ,
224         },
225 };
226
227 static struct platform_device kirkwood_switch_device = {
228         .name           = "dsa",
229         .id             = 0,
230         .num_resources  = 0,
231         .resource       = kirkwood_switch_resources,
232 };
233
234 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
235 {
236         int i;
237
238         if (irq != NO_IRQ) {
239                 kirkwood_switch_resources[0].start = irq;
240                 kirkwood_switch_resources[0].end = irq;
241                 kirkwood_switch_device.num_resources = 1;
242         }
243
244         d->netdev = &kirkwood_ge00.dev;
245         for (i = 0; i < d->nr_chips; i++)
246                 d->chip[i].mii_bus = &kirkwood_ge00_shared.dev;
247         kirkwood_switch_device.dev.platform_data = d;
248
249         platform_device_register(&kirkwood_switch_device);
250 }
251
252
253 /*****************************************************************************
254  * SoC RTC
255  ****************************************************************************/
256 static struct resource kirkwood_rtc_resource = {
257         .start  = RTC_PHYS_BASE,
258         .end    = RTC_PHYS_BASE + SZ_16 - 1,
259         .flags  = IORESOURCE_MEM,
260 };
261
262 static void __init kirkwood_rtc_init(void)
263 {
264         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
265 }
266
267
268 /*****************************************************************************
269  * SATA
270  ****************************************************************************/
271 static struct resource kirkwood_sata_resources[] = {
272         {
273                 .name   = "sata base",
274                 .start  = SATA_PHYS_BASE,
275                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
276                 .flags  = IORESOURCE_MEM,
277         }, {
278                 .name   = "sata irq",
279                 .start  = IRQ_KIRKWOOD_SATA,
280                 .end    = IRQ_KIRKWOOD_SATA,
281                 .flags  = IORESOURCE_IRQ,
282         },
283 };
284
285 static struct platform_device kirkwood_sata = {
286         .name           = "sata_mv",
287         .id             = 0,
288         .dev            = {
289                 .coherent_dma_mask      = 0xffffffff,
290         },
291         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
292         .resource       = kirkwood_sata_resources,
293 };
294
295 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
296 {
297         sata_data->dram = &kirkwood_mbus_dram_info;
298         kirkwood_sata.dev.platform_data = sata_data;
299         platform_device_register(&kirkwood_sata);
300 }
301
302
303 /*****************************************************************************
304  * SD/SDIO/MMC
305  ****************************************************************************/
306 static struct resource mvsdio_resources[] = {
307         [0] = {
308                 .start  = SDIO_PHYS_BASE,
309                 .end    = SDIO_PHYS_BASE + SZ_1K - 1,
310                 .flags  = IORESOURCE_MEM,
311         },
312         [1] = {
313                 .start  = IRQ_KIRKWOOD_SDIO,
314                 .end    = IRQ_KIRKWOOD_SDIO,
315                 .flags  = IORESOURCE_IRQ,
316         },
317 };
318
319 static u64 mvsdio_dmamask = 0xffffffffUL;
320
321 static struct platform_device kirkwood_sdio = {
322         .name           = "mvsdio",
323         .id             = -1,
324         .dev            = {
325                 .dma_mask = &mvsdio_dmamask,
326                 .coherent_dma_mask = 0xffffffff,
327         },
328         .num_resources  = ARRAY_SIZE(mvsdio_resources),
329         .resource       = mvsdio_resources,
330 };
331
332 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
333 {
334         u32 dev, rev;
335
336         kirkwood_pcie_id(&dev, &rev);
337         if (rev == 0)  /* catch all Kirkwood Z0's */
338                 mvsdio_data->clock = 100000000;
339         else
340                 mvsdio_data->clock = 200000000;
341         mvsdio_data->dram = &kirkwood_mbus_dram_info;
342         kirkwood_sdio.dev.platform_data = mvsdio_data;
343         platform_device_register(&kirkwood_sdio);
344 }
345
346
347 /*****************************************************************************
348  * SPI
349  ****************************************************************************/
350 static struct orion_spi_info kirkwood_spi_plat_data = {
351 };
352
353 static struct resource kirkwood_spi_resources[] = {
354         {
355                 .start  = SPI_PHYS_BASE,
356                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
357                 .flags  = IORESOURCE_MEM,
358         },
359 };
360
361 static struct platform_device kirkwood_spi = {
362         .name           = "orion_spi",
363         .id             = 0,
364         .resource       = kirkwood_spi_resources,
365         .dev            = {
366                 .platform_data  = &kirkwood_spi_plat_data,
367         },
368         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
369 };
370
371 void __init kirkwood_spi_init()
372 {
373         platform_device_register(&kirkwood_spi);
374 }
375
376
377 /*****************************************************************************
378  * I2C
379  ****************************************************************************/
380 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
381         .freq_m         = 8, /* assumes 166 MHz TCLK */
382         .freq_n         = 3,
383         .timeout        = 1000, /* Default timeout of 1 second */
384 };
385
386 static struct resource kirkwood_i2c_resources[] = {
387         {
388                 .name   = "i2c",
389                 .start  = I2C_PHYS_BASE,
390                 .end    = I2C_PHYS_BASE + 0x1f,
391                 .flags  = IORESOURCE_MEM,
392         }, {
393                 .name   = "i2c",
394                 .start  = IRQ_KIRKWOOD_TWSI,
395                 .end    = IRQ_KIRKWOOD_TWSI,
396                 .flags  = IORESOURCE_IRQ,
397         },
398 };
399
400 static struct platform_device kirkwood_i2c = {
401         .name           = MV64XXX_I2C_CTLR_NAME,
402         .id             = 0,
403         .num_resources  = ARRAY_SIZE(kirkwood_i2c_resources),
404         .resource       = kirkwood_i2c_resources,
405         .dev            = {
406                 .platform_data  = &kirkwood_i2c_pdata,
407         },
408 };
409
410 void __init kirkwood_i2c_init(void)
411 {
412         platform_device_register(&kirkwood_i2c);
413 }
414
415
416 /*****************************************************************************
417  * UART0
418  ****************************************************************************/
419 static struct plat_serial8250_port kirkwood_uart0_data[] = {
420         {
421                 .mapbase        = UART0_PHYS_BASE,
422                 .membase        = (char *)UART0_VIRT_BASE,
423                 .irq            = IRQ_KIRKWOOD_UART_0,
424                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
425                 .iotype         = UPIO_MEM,
426                 .regshift       = 2,
427                 .uartclk        = 0,
428         }, {
429         },
430 };
431
432 static struct resource kirkwood_uart0_resources[] = {
433         {
434                 .start          = UART0_PHYS_BASE,
435                 .end            = UART0_PHYS_BASE + 0xff,
436                 .flags          = IORESOURCE_MEM,
437         }, {
438                 .start          = IRQ_KIRKWOOD_UART_0,
439                 .end            = IRQ_KIRKWOOD_UART_0,
440                 .flags          = IORESOURCE_IRQ,
441         },
442 };
443
444 static struct platform_device kirkwood_uart0 = {
445         .name                   = "serial8250",
446         .id                     = 0,
447         .dev                    = {
448                 .platform_data  = kirkwood_uart0_data,
449         },
450         .resource               = kirkwood_uart0_resources,
451         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
452 };
453
454 void __init kirkwood_uart0_init(void)
455 {
456         platform_device_register(&kirkwood_uart0);
457 }
458
459
460 /*****************************************************************************
461  * UART1
462  ****************************************************************************/
463 static struct plat_serial8250_port kirkwood_uart1_data[] = {
464         {
465                 .mapbase        = UART1_PHYS_BASE,
466                 .membase        = (char *)UART1_VIRT_BASE,
467                 .irq            = IRQ_KIRKWOOD_UART_1,
468                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
469                 .iotype         = UPIO_MEM,
470                 .regshift       = 2,
471                 .uartclk        = 0,
472         }, {
473         },
474 };
475
476 static struct resource kirkwood_uart1_resources[] = {
477         {
478                 .start          = UART1_PHYS_BASE,
479                 .end            = UART1_PHYS_BASE + 0xff,
480                 .flags          = IORESOURCE_MEM,
481         }, {
482                 .start          = IRQ_KIRKWOOD_UART_1,
483                 .end            = IRQ_KIRKWOOD_UART_1,
484                 .flags          = IORESOURCE_IRQ,
485         },
486 };
487
488 static struct platform_device kirkwood_uart1 = {
489         .name                   = "serial8250",
490         .id                     = 1,
491         .dev                    = {
492                 .platform_data  = kirkwood_uart1_data,
493         },
494         .resource               = kirkwood_uart1_resources,
495         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
496 };
497
498 void __init kirkwood_uart1_init(void)
499 {
500         platform_device_register(&kirkwood_uart1);
501 }
502
503
504 /*****************************************************************************
505  * XOR
506  ****************************************************************************/
507 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
508         .dram           = &kirkwood_mbus_dram_info,
509 };
510
511 static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
512
513
514 /*****************************************************************************
515  * XOR0
516  ****************************************************************************/
517 static struct resource kirkwood_xor0_shared_resources[] = {
518         {
519                 .name   = "xor 0 low",
520                 .start  = XOR0_PHYS_BASE,
521                 .end    = XOR0_PHYS_BASE + 0xff,
522                 .flags  = IORESOURCE_MEM,
523         }, {
524                 .name   = "xor 0 high",
525                 .start  = XOR0_HIGH_PHYS_BASE,
526                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
527                 .flags  = IORESOURCE_MEM,
528         },
529 };
530
531 static struct platform_device kirkwood_xor0_shared = {
532         .name           = MV_XOR_SHARED_NAME,
533         .id             = 0,
534         .dev            = {
535                 .platform_data = &kirkwood_xor_shared_data,
536         },
537         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
538         .resource       = kirkwood_xor0_shared_resources,
539 };
540
541 static struct resource kirkwood_xor00_resources[] = {
542         [0] = {
543                 .start  = IRQ_KIRKWOOD_XOR_00,
544                 .end    = IRQ_KIRKWOOD_XOR_00,
545                 .flags  = IORESOURCE_IRQ,
546         },
547 };
548
549 static struct mv_xor_platform_data kirkwood_xor00_data = {
550         .shared         = &kirkwood_xor0_shared,
551         .hw_id          = 0,
552         .pool_size      = PAGE_SIZE,
553 };
554
555 static struct platform_device kirkwood_xor00_channel = {
556         .name           = MV_XOR_NAME,
557         .id             = 0,
558         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
559         .resource       = kirkwood_xor00_resources,
560         .dev            = {
561                 .dma_mask               = &kirkwood_xor_dmamask,
562                 .coherent_dma_mask      = DMA_BIT_MASK(64),
563                 .platform_data          = (void *)&kirkwood_xor00_data,
564         },
565 };
566
567 static struct resource kirkwood_xor01_resources[] = {
568         [0] = {
569                 .start  = IRQ_KIRKWOOD_XOR_01,
570                 .end    = IRQ_KIRKWOOD_XOR_01,
571                 .flags  = IORESOURCE_IRQ,
572         },
573 };
574
575 static struct mv_xor_platform_data kirkwood_xor01_data = {
576         .shared         = &kirkwood_xor0_shared,
577         .hw_id          = 1,
578         .pool_size      = PAGE_SIZE,
579 };
580
581 static struct platform_device kirkwood_xor01_channel = {
582         .name           = MV_XOR_NAME,
583         .id             = 1,
584         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
585         .resource       = kirkwood_xor01_resources,
586         .dev            = {
587                 .dma_mask               = &kirkwood_xor_dmamask,
588                 .coherent_dma_mask      = DMA_BIT_MASK(64),
589                 .platform_data          = (void *)&kirkwood_xor01_data,
590         },
591 };
592
593 static void __init kirkwood_xor0_init(void)
594 {
595         platform_device_register(&kirkwood_xor0_shared);
596
597         /*
598          * two engines can't do memset simultaneously, this limitation
599          * satisfied by removing memset support from one of the engines.
600          */
601         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
602         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
603         platform_device_register(&kirkwood_xor00_channel);
604
605         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
606         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
607         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
608         platform_device_register(&kirkwood_xor01_channel);
609 }
610
611
612 /*****************************************************************************
613  * XOR1
614  ****************************************************************************/
615 static struct resource kirkwood_xor1_shared_resources[] = {
616         {
617                 .name   = "xor 1 low",
618                 .start  = XOR1_PHYS_BASE,
619                 .end    = XOR1_PHYS_BASE + 0xff,
620                 .flags  = IORESOURCE_MEM,
621         }, {
622                 .name   = "xor 1 high",
623                 .start  = XOR1_HIGH_PHYS_BASE,
624                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
625                 .flags  = IORESOURCE_MEM,
626         },
627 };
628
629 static struct platform_device kirkwood_xor1_shared = {
630         .name           = MV_XOR_SHARED_NAME,
631         .id             = 1,
632         .dev            = {
633                 .platform_data = &kirkwood_xor_shared_data,
634         },
635         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
636         .resource       = kirkwood_xor1_shared_resources,
637 };
638
639 static struct resource kirkwood_xor10_resources[] = {
640         [0] = {
641                 .start  = IRQ_KIRKWOOD_XOR_10,
642                 .end    = IRQ_KIRKWOOD_XOR_10,
643                 .flags  = IORESOURCE_IRQ,
644         },
645 };
646
647 static struct mv_xor_platform_data kirkwood_xor10_data = {
648         .shared         = &kirkwood_xor1_shared,
649         .hw_id          = 0,
650         .pool_size      = PAGE_SIZE,
651 };
652
653 static struct platform_device kirkwood_xor10_channel = {
654         .name           = MV_XOR_NAME,
655         .id             = 2,
656         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
657         .resource       = kirkwood_xor10_resources,
658         .dev            = {
659                 .dma_mask               = &kirkwood_xor_dmamask,
660                 .coherent_dma_mask      = DMA_BIT_MASK(64),
661                 .platform_data          = (void *)&kirkwood_xor10_data,
662         },
663 };
664
665 static struct resource kirkwood_xor11_resources[] = {
666         [0] = {
667                 .start  = IRQ_KIRKWOOD_XOR_11,
668                 .end    = IRQ_KIRKWOOD_XOR_11,
669                 .flags  = IORESOURCE_IRQ,
670         },
671 };
672
673 static struct mv_xor_platform_data kirkwood_xor11_data = {
674         .shared         = &kirkwood_xor1_shared,
675         .hw_id          = 1,
676         .pool_size      = PAGE_SIZE,
677 };
678
679 static struct platform_device kirkwood_xor11_channel = {
680         .name           = MV_XOR_NAME,
681         .id             = 3,
682         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
683         .resource       = kirkwood_xor11_resources,
684         .dev            = {
685                 .dma_mask               = &kirkwood_xor_dmamask,
686                 .coherent_dma_mask      = DMA_BIT_MASK(64),
687                 .platform_data          = (void *)&kirkwood_xor11_data,
688         },
689 };
690
691 static void __init kirkwood_xor1_init(void)
692 {
693         platform_device_register(&kirkwood_xor1_shared);
694
695         /*
696          * two engines can't do memset simultaneously, this limitation
697          * satisfied by removing memset support from one of the engines.
698          */
699         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
700         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
701         platform_device_register(&kirkwood_xor10_channel);
702
703         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
704         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
705         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
706         platform_device_register(&kirkwood_xor11_channel);
707 }
708
709
710 /*****************************************************************************
711  * Time handling
712  ****************************************************************************/
713 int kirkwood_tclk;
714
715 int __init kirkwood_find_tclk(void)
716 {
717         u32 dev, rev;
718
719         kirkwood_pcie_id(&dev, &rev);
720         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
721                 return 200000000;
722
723         return 166666667;
724 }
725
726 static void kirkwood_timer_init(void)
727 {
728         kirkwood_tclk = kirkwood_find_tclk();
729         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
730 }
731
732 struct sys_timer kirkwood_timer = {
733         .init = kirkwood_timer_init,
734 };
735
736
737 /*****************************************************************************
738  * General
739  ****************************************************************************/
740 /*
741  * Identify device ID and revision.
742  */
743 static char * __init kirkwood_id(void)
744 {
745         u32 dev, rev;
746
747         kirkwood_pcie_id(&dev, &rev);
748
749         if (dev == MV88F6281_DEV_ID) {
750                 if (rev == MV88F6281_REV_Z0)
751                         return "MV88F6281-Z0";
752                 else if (rev == MV88F6281_REV_A0)
753                         return "MV88F6281-A0";
754                 else
755                         return "MV88F6281-Rev-Unsupported";
756         } else if (dev == MV88F6192_DEV_ID) {
757                 if (rev == MV88F6192_REV_Z0)
758                         return "MV88F6192-Z0";
759                 else if (rev == MV88F6192_REV_A0)
760                         return "MV88F6192-A0";
761                 else
762                         return "MV88F6192-Rev-Unsupported";
763         } else if (dev == MV88F6180_DEV_ID) {
764                 if (rev == MV88F6180_REV_A0)
765                         return "MV88F6180-Rev-A0";
766                 else
767                         return "MV88F6180-Rev-Unsupported";
768         } else {
769                 return "Device-Unknown";
770         }
771 }
772
773 static void __init kirkwood_l2_init(void)
774 {
775 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
776         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
777         feroceon_l2_init(1);
778 #else
779         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
780         feroceon_l2_init(0);
781 #endif
782 }
783
784 void __init kirkwood_init(void)
785 {
786         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
787                 kirkwood_id(), kirkwood_tclk);
788         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
789         kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
790         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
791         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
792         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
793
794         kirkwood_setup_cpu_mbus();
795
796 #ifdef CONFIG_CACHE_FEROCEON_L2
797         kirkwood_l2_init();
798 #endif
799
800         /* internal devices that every board has */
801         kirkwood_rtc_init();
802         kirkwood_xor0_init();
803         kirkwood_xor1_init();
804 }