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