[ARM] Orion: add the option to support different ehci phy initialization
[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/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
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
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
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  * Ethernet switch
158  ****************************************************************************/
159 static struct resource kirkwood_switch_resources[] = {
160         {
161                 .start  = 0,
162                 .end    = 0,
163                 .flags  = IORESOURCE_IRQ,
164         },
165 };
166
167 static struct platform_device kirkwood_switch_device = {
168         .name           = "dsa",
169         .id             = 0,
170         .num_resources  = 0,
171         .resource       = kirkwood_switch_resources,
172 };
173
174 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
175 {
176         if (irq != NO_IRQ) {
177                 kirkwood_switch_resources[0].start = irq;
178                 kirkwood_switch_resources[0].end = irq;
179                 kirkwood_switch_device.num_resources = 1;
180         }
181
182         d->mii_bus = &kirkwood_ge00_shared.dev;
183         d->netdev = &kirkwood_ge00.dev;
184         kirkwood_switch_device.dev.platform_data = d;
185
186         platform_device_register(&kirkwood_switch_device);
187 }
188
189
190 /*****************************************************************************
191  * SoC RTC
192  ****************************************************************************/
193 static struct resource kirkwood_rtc_resource = {
194         .start  = RTC_PHYS_BASE,
195         .end    = RTC_PHYS_BASE + SZ_16 - 1,
196         .flags  = IORESOURCE_MEM,
197 };
198
199 void __init kirkwood_rtc_init(void)
200 {
201         platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
202 }
203
204
205 /*****************************************************************************
206  * SATA
207  ****************************************************************************/
208 static struct resource kirkwood_sata_resources[] = {
209         {
210                 .name   = "sata base",
211                 .start  = SATA_PHYS_BASE,
212                 .end    = SATA_PHYS_BASE + 0x5000 - 1,
213                 .flags  = IORESOURCE_MEM,
214         }, {
215                 .name   = "sata irq",
216                 .start  = IRQ_KIRKWOOD_SATA,
217                 .end    = IRQ_KIRKWOOD_SATA,
218                 .flags  = IORESOURCE_IRQ,
219         },
220 };
221
222 static struct platform_device kirkwood_sata = {
223         .name           = "sata_mv",
224         .id             = 0,
225         .dev            = {
226                 .coherent_dma_mask      = 0xffffffff,
227         },
228         .num_resources  = ARRAY_SIZE(kirkwood_sata_resources),
229         .resource       = kirkwood_sata_resources,
230 };
231
232 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
233 {
234         sata_data->dram = &kirkwood_mbus_dram_info;
235         kirkwood_sata.dev.platform_data = sata_data;
236         platform_device_register(&kirkwood_sata);
237 }
238
239
240 /*****************************************************************************
241  * SPI
242  ****************************************************************************/
243 static struct orion_spi_info kirkwood_spi_plat_data = {
244 };
245
246 static struct resource kirkwood_spi_resources[] = {
247         {
248                 .start  = SPI_PHYS_BASE,
249                 .end    = SPI_PHYS_BASE + SZ_512 - 1,
250                 .flags  = IORESOURCE_MEM,
251         },
252 };
253
254 static struct platform_device kirkwood_spi = {
255         .name           = "orion_spi",
256         .id             = 0,
257         .resource       = kirkwood_spi_resources,
258         .dev            = {
259                 .platform_data  = &kirkwood_spi_plat_data,
260         },
261         .num_resources  = ARRAY_SIZE(kirkwood_spi_resources),
262 };
263
264 void __init kirkwood_spi_init()
265 {
266         platform_device_register(&kirkwood_spi);
267 }
268
269
270 /*****************************************************************************
271  * UART0
272  ****************************************************************************/
273 static struct plat_serial8250_port kirkwood_uart0_data[] = {
274         {
275                 .mapbase        = UART0_PHYS_BASE,
276                 .membase        = (char *)UART0_VIRT_BASE,
277                 .irq            = IRQ_KIRKWOOD_UART_0,
278                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
279                 .iotype         = UPIO_MEM,
280                 .regshift       = 2,
281                 .uartclk        = 0,
282         }, {
283         },
284 };
285
286 static struct resource kirkwood_uart0_resources[] = {
287         {
288                 .start          = UART0_PHYS_BASE,
289                 .end            = UART0_PHYS_BASE + 0xff,
290                 .flags          = IORESOURCE_MEM,
291         }, {
292                 .start          = IRQ_KIRKWOOD_UART_0,
293                 .end            = IRQ_KIRKWOOD_UART_0,
294                 .flags          = IORESOURCE_IRQ,
295         },
296 };
297
298 static struct platform_device kirkwood_uart0 = {
299         .name                   = "serial8250",
300         .id                     = 0,
301         .dev                    = {
302                 .platform_data  = kirkwood_uart0_data,
303         },
304         .resource               = kirkwood_uart0_resources,
305         .num_resources          = ARRAY_SIZE(kirkwood_uart0_resources),
306 };
307
308 void __init kirkwood_uart0_init(void)
309 {
310         platform_device_register(&kirkwood_uart0);
311 }
312
313
314 /*****************************************************************************
315  * UART1
316  ****************************************************************************/
317 static struct plat_serial8250_port kirkwood_uart1_data[] = {
318         {
319                 .mapbase        = UART1_PHYS_BASE,
320                 .membase        = (char *)UART1_VIRT_BASE,
321                 .irq            = IRQ_KIRKWOOD_UART_1,
322                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
323                 .iotype         = UPIO_MEM,
324                 .regshift       = 2,
325                 .uartclk        = 0,
326         }, {
327         },
328 };
329
330 static struct resource kirkwood_uart1_resources[] = {
331         {
332                 .start          = UART1_PHYS_BASE,
333                 .end            = UART1_PHYS_BASE + 0xff,
334                 .flags          = IORESOURCE_MEM,
335         }, {
336                 .start          = IRQ_KIRKWOOD_UART_1,
337                 .end            = IRQ_KIRKWOOD_UART_1,
338                 .flags          = IORESOURCE_IRQ,
339         },
340 };
341
342 static struct platform_device kirkwood_uart1 = {
343         .name                   = "serial8250",
344         .id                     = 1,
345         .dev                    = {
346                 .platform_data  = kirkwood_uart1_data,
347         },
348         .resource               = kirkwood_uart1_resources,
349         .num_resources          = ARRAY_SIZE(kirkwood_uart1_resources),
350 };
351
352 void __init kirkwood_uart1_init(void)
353 {
354         platform_device_register(&kirkwood_uart1);
355 }
356
357
358 /*****************************************************************************
359  * XOR
360  ****************************************************************************/
361 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
362         .dram           = &kirkwood_mbus_dram_info,
363 };
364
365 static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
366
367
368 /*****************************************************************************
369  * XOR0
370  ****************************************************************************/
371 static struct resource kirkwood_xor0_shared_resources[] = {
372         {
373                 .name   = "xor 0 low",
374                 .start  = XOR0_PHYS_BASE,
375                 .end    = XOR0_PHYS_BASE + 0xff,
376                 .flags  = IORESOURCE_MEM,
377         }, {
378                 .name   = "xor 0 high",
379                 .start  = XOR0_HIGH_PHYS_BASE,
380                 .end    = XOR0_HIGH_PHYS_BASE + 0xff,
381                 .flags  = IORESOURCE_MEM,
382         },
383 };
384
385 static struct platform_device kirkwood_xor0_shared = {
386         .name           = MV_XOR_SHARED_NAME,
387         .id             = 0,
388         .dev            = {
389                 .platform_data = &kirkwood_xor_shared_data,
390         },
391         .num_resources  = ARRAY_SIZE(kirkwood_xor0_shared_resources),
392         .resource       = kirkwood_xor0_shared_resources,
393 };
394
395 static struct resource kirkwood_xor00_resources[] = {
396         [0] = {
397                 .start  = IRQ_KIRKWOOD_XOR_00,
398                 .end    = IRQ_KIRKWOOD_XOR_00,
399                 .flags  = IORESOURCE_IRQ,
400         },
401 };
402
403 static struct mv_xor_platform_data kirkwood_xor00_data = {
404         .shared         = &kirkwood_xor0_shared,
405         .hw_id          = 0,
406         .pool_size      = PAGE_SIZE,
407 };
408
409 static struct platform_device kirkwood_xor00_channel = {
410         .name           = MV_XOR_NAME,
411         .id             = 0,
412         .num_resources  = ARRAY_SIZE(kirkwood_xor00_resources),
413         .resource       = kirkwood_xor00_resources,
414         .dev            = {
415                 .dma_mask               = &kirkwood_xor_dmamask,
416                 .coherent_dma_mask      = DMA_64BIT_MASK,
417                 .platform_data          = (void *)&kirkwood_xor00_data,
418         },
419 };
420
421 static struct resource kirkwood_xor01_resources[] = {
422         [0] = {
423                 .start  = IRQ_KIRKWOOD_XOR_01,
424                 .end    = IRQ_KIRKWOOD_XOR_01,
425                 .flags  = IORESOURCE_IRQ,
426         },
427 };
428
429 static struct mv_xor_platform_data kirkwood_xor01_data = {
430         .shared         = &kirkwood_xor0_shared,
431         .hw_id          = 1,
432         .pool_size      = PAGE_SIZE,
433 };
434
435 static struct platform_device kirkwood_xor01_channel = {
436         .name           = MV_XOR_NAME,
437         .id             = 1,
438         .num_resources  = ARRAY_SIZE(kirkwood_xor01_resources),
439         .resource       = kirkwood_xor01_resources,
440         .dev            = {
441                 .dma_mask               = &kirkwood_xor_dmamask,
442                 .coherent_dma_mask      = DMA_64BIT_MASK,
443                 .platform_data          = (void *)&kirkwood_xor01_data,
444         },
445 };
446
447 void __init kirkwood_xor0_init(void)
448 {
449         platform_device_register(&kirkwood_xor0_shared);
450
451         /*
452          * two engines can't do memset simultaneously, this limitation
453          * satisfied by removing memset support from one of the engines.
454          */
455         dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
456         dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
457         platform_device_register(&kirkwood_xor00_channel);
458
459         dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
460         dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
461         dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
462         platform_device_register(&kirkwood_xor01_channel);
463 }
464
465
466 /*****************************************************************************
467  * XOR1
468  ****************************************************************************/
469 static struct resource kirkwood_xor1_shared_resources[] = {
470         {
471                 .name   = "xor 1 low",
472                 .start  = XOR1_PHYS_BASE,
473                 .end    = XOR1_PHYS_BASE + 0xff,
474                 .flags  = IORESOURCE_MEM,
475         }, {
476                 .name   = "xor 1 high",
477                 .start  = XOR1_HIGH_PHYS_BASE,
478                 .end    = XOR1_HIGH_PHYS_BASE + 0xff,
479                 .flags  = IORESOURCE_MEM,
480         },
481 };
482
483 static struct platform_device kirkwood_xor1_shared = {
484         .name           = MV_XOR_SHARED_NAME,
485         .id             = 1,
486         .dev            = {
487                 .platform_data = &kirkwood_xor_shared_data,
488         },
489         .num_resources  = ARRAY_SIZE(kirkwood_xor1_shared_resources),
490         .resource       = kirkwood_xor1_shared_resources,
491 };
492
493 static struct resource kirkwood_xor10_resources[] = {
494         [0] = {
495                 .start  = IRQ_KIRKWOOD_XOR_10,
496                 .end    = IRQ_KIRKWOOD_XOR_10,
497                 .flags  = IORESOURCE_IRQ,
498         },
499 };
500
501 static struct mv_xor_platform_data kirkwood_xor10_data = {
502         .shared         = &kirkwood_xor1_shared,
503         .hw_id          = 0,
504         .pool_size      = PAGE_SIZE,
505 };
506
507 static struct platform_device kirkwood_xor10_channel = {
508         .name           = MV_XOR_NAME,
509         .id             = 2,
510         .num_resources  = ARRAY_SIZE(kirkwood_xor10_resources),
511         .resource       = kirkwood_xor10_resources,
512         .dev            = {
513                 .dma_mask               = &kirkwood_xor_dmamask,
514                 .coherent_dma_mask      = DMA_64BIT_MASK,
515                 .platform_data          = (void *)&kirkwood_xor10_data,
516         },
517 };
518
519 static struct resource kirkwood_xor11_resources[] = {
520         [0] = {
521                 .start  = IRQ_KIRKWOOD_XOR_11,
522                 .end    = IRQ_KIRKWOOD_XOR_11,
523                 .flags  = IORESOURCE_IRQ,
524         },
525 };
526
527 static struct mv_xor_platform_data kirkwood_xor11_data = {
528         .shared         = &kirkwood_xor1_shared,
529         .hw_id          = 1,
530         .pool_size      = PAGE_SIZE,
531 };
532
533 static struct platform_device kirkwood_xor11_channel = {
534         .name           = MV_XOR_NAME,
535         .id             = 3,
536         .num_resources  = ARRAY_SIZE(kirkwood_xor11_resources),
537         .resource       = kirkwood_xor11_resources,
538         .dev            = {
539                 .dma_mask               = &kirkwood_xor_dmamask,
540                 .coherent_dma_mask      = DMA_64BIT_MASK,
541                 .platform_data          = (void *)&kirkwood_xor11_data,
542         },
543 };
544
545 void __init kirkwood_xor1_init(void)
546 {
547         platform_device_register(&kirkwood_xor1_shared);
548
549         /*
550          * two engines can't do memset simultaneously, this limitation
551          * satisfied by removing memset support from one of the engines.
552          */
553         dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
554         dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
555         platform_device_register(&kirkwood_xor10_channel);
556
557         dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
558         dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
559         dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
560         platform_device_register(&kirkwood_xor11_channel);
561 }
562
563
564 /*****************************************************************************
565  * Time handling
566  ****************************************************************************/
567 int kirkwood_tclk;
568
569 int __init kirkwood_find_tclk(void)
570 {
571         u32 dev, rev;
572
573         kirkwood_pcie_id(&dev, &rev);
574         if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
575                 return 200000000;
576
577         return 166666667;
578 }
579
580 static void kirkwood_timer_init(void)
581 {
582         kirkwood_tclk = kirkwood_find_tclk();
583         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
584 }
585
586 struct sys_timer kirkwood_timer = {
587         .init = kirkwood_timer_init,
588 };
589
590
591 /*****************************************************************************
592  * General
593  ****************************************************************************/
594 /*
595  * Identify device ID and revision.
596  */
597 static char * __init kirkwood_id(void)
598 {
599         u32 dev, rev;
600
601         kirkwood_pcie_id(&dev, &rev);
602
603         if (dev == MV88F6281_DEV_ID) {
604                 if (rev == MV88F6281_REV_Z0)
605                         return "MV88F6281-Z0";
606                 else if (rev == MV88F6281_REV_A0)
607                         return "MV88F6281-A0";
608                 else
609                         return "MV88F6281-Rev-Unsupported";
610         } else if (dev == MV88F6192_DEV_ID) {
611                 if (rev == MV88F6192_REV_Z0)
612                         return "MV88F6192-Z0";
613                 else if (rev == MV88F6192_REV_A0)
614                         return "MV88F6192-A0";
615                 else
616                         return "MV88F6192-Rev-Unsupported";
617         } else if (dev == MV88F6180_DEV_ID) {
618                 if (rev == MV88F6180_REV_A0)
619                         return "MV88F6180-Rev-A0";
620                 else
621                         return "MV88F6180-Rev-Unsupported";
622         } else {
623                 return "Device-Unknown";
624         }
625 }
626
627 static void __init kirkwood_l2_init(void)
628 {
629 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
630         writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
631         feroceon_l2_init(1);
632 #else
633         writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
634         feroceon_l2_init(0);
635 #endif
636 }
637
638 void __init kirkwood_init(void)
639 {
640         printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
641                 kirkwood_id(), kirkwood_tclk);
642         kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
643         kirkwood_spi_plat_data.tclk = kirkwood_tclk;
644         kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
645         kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
646
647         kirkwood_setup_cpu_mbus();
648
649 #ifdef CONFIG_CACHE_FEROCEON_L2
650         kirkwood_l2_init();
651 #endif
652 }