[ARM] Orion: add the option to support different ehci phy initialization
[linux-2.6.git] / arch / arm / mach-orion5x / common.c
1 /*
2  * arch/arm/mach-orion5x/common.c
3  *
4  * Core functions for Marvell Orion 5x SoCs
5  *
6  * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2.  This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/serial_8250.h>
17 #include <linux/mbus.h>
18 #include <linux/mv643xx_eth.h>
19 #include <linux/mv643xx_i2c.h>
20 #include <linux/ata_platform.h>
21 #include <linux/spi/orion_spi.h>
22 #include <net/dsa.h>
23 #include <asm/page.h>
24 #include <asm/setup.h>
25 #include <asm/timex.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/time.h>
29 #include <mach/hardware.h>
30 #include <mach/orion5x.h>
31 #include <plat/ehci-orion.h>
32 #include <plat/mv_xor.h>
33 #include <plat/orion_nand.h>
34 #include <plat/time.h>
35 #include "common.h"
36
37 /*****************************************************************************
38  * I/O Address Mapping
39  ****************************************************************************/
40 static struct map_desc orion5x_io_desc[] __initdata = {
41         {
42                 .virtual        = ORION5X_REGS_VIRT_BASE,
43                 .pfn            = __phys_to_pfn(ORION5X_REGS_PHYS_BASE),
44                 .length         = ORION5X_REGS_SIZE,
45                 .type           = MT_DEVICE,
46         }, {
47                 .virtual        = ORION5X_PCIE_IO_VIRT_BASE,
48                 .pfn            = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE),
49                 .length         = ORION5X_PCIE_IO_SIZE,
50                 .type           = MT_DEVICE,
51         }, {
52                 .virtual        = ORION5X_PCI_IO_VIRT_BASE,
53                 .pfn            = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE),
54                 .length         = ORION5X_PCI_IO_SIZE,
55                 .type           = MT_DEVICE,
56         }, {
57                 .virtual        = ORION5X_PCIE_WA_VIRT_BASE,
58                 .pfn            = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE),
59                 .length         = ORION5X_PCIE_WA_SIZE,
60                 .type           = MT_DEVICE,
61         },
62 };
63
64 void __init orion5x_map_io(void)
65 {
66         iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc));
67 }
68
69
70 /*****************************************************************************
71  * EHCI
72  ****************************************************************************/
73 static struct orion_ehci_data orion5x_ehci_data = {
74         .dram           = &orion5x_mbus_dram_info,
75         .phy_version    = EHCI_PHY_ORION,
76 };
77
78 static u64 ehci_dmamask = 0xffffffffUL;
79
80
81 /*****************************************************************************
82  * EHCI0
83  ****************************************************************************/
84 static struct resource orion5x_ehci0_resources[] = {
85         {
86                 .start  = ORION5X_USB0_PHYS_BASE,
87                 .end    = ORION5X_USB0_PHYS_BASE + SZ_4K - 1,
88                 .flags  = IORESOURCE_MEM,
89         }, {
90                 .start  = IRQ_ORION5X_USB0_CTRL,
91                 .end    = IRQ_ORION5X_USB0_CTRL,
92                 .flags  = IORESOURCE_IRQ,
93         },
94 };
95
96 static struct platform_device orion5x_ehci0 = {
97         .name           = "orion-ehci",
98         .id             = 0,
99         .dev            = {
100                 .dma_mask               = &ehci_dmamask,
101                 .coherent_dma_mask      = 0xffffffff,
102                 .platform_data          = &orion5x_ehci_data,
103         },
104         .resource       = orion5x_ehci0_resources,
105         .num_resources  = ARRAY_SIZE(orion5x_ehci0_resources),
106 };
107
108 void __init orion5x_ehci0_init(void)
109 {
110         platform_device_register(&orion5x_ehci0);
111 }
112
113
114 /*****************************************************************************
115  * EHCI1
116  ****************************************************************************/
117 static struct resource orion5x_ehci1_resources[] = {
118         {
119                 .start  = ORION5X_USB1_PHYS_BASE,
120                 .end    = ORION5X_USB1_PHYS_BASE + SZ_4K - 1,
121                 .flags  = IORESOURCE_MEM,
122         }, {
123                 .start  = IRQ_ORION5X_USB1_CTRL,
124                 .end    = IRQ_ORION5X_USB1_CTRL,
125                 .flags  = IORESOURCE_IRQ,
126         },
127 };
128
129 static struct platform_device orion5x_ehci1 = {
130         .name           = "orion-ehci",
131         .id             = 1,
132         .dev            = {
133                 .dma_mask               = &ehci_dmamask,
134                 .coherent_dma_mask      = 0xffffffff,
135                 .platform_data          = &orion5x_ehci_data,
136         },
137         .resource       = orion5x_ehci1_resources,
138         .num_resources  = ARRAY_SIZE(orion5x_ehci1_resources),
139 };
140
141 void __init orion5x_ehci1_init(void)
142 {
143         platform_device_register(&orion5x_ehci1);
144 }
145
146
147 /*****************************************************************************
148  * GigE
149  ****************************************************************************/
150 struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
151         .dram           = &orion5x_mbus_dram_info,
152 };
153
154 static struct resource orion5x_eth_shared_resources[] = {
155         {
156                 .start  = ORION5X_ETH_PHYS_BASE + 0x2000,
157                 .end    = ORION5X_ETH_PHYS_BASE + 0x3fff,
158                 .flags  = IORESOURCE_MEM,
159         }, {
160                 .start  = IRQ_ORION5X_ETH_ERR,
161                 .end    = IRQ_ORION5X_ETH_ERR,
162                 .flags  = IORESOURCE_IRQ,
163         },
164 };
165
166 static struct platform_device orion5x_eth_shared = {
167         .name           = MV643XX_ETH_SHARED_NAME,
168         .id             = 0,
169         .dev            = {
170                 .platform_data  = &orion5x_eth_shared_data,
171         },
172         .num_resources  = ARRAY_SIZE(orion5x_eth_shared_resources),
173         .resource       = orion5x_eth_shared_resources,
174 };
175
176 static struct resource orion5x_eth_resources[] = {
177         {
178                 .name   = "eth irq",
179                 .start  = IRQ_ORION5X_ETH_SUM,
180                 .end    = IRQ_ORION5X_ETH_SUM,
181                 .flags  = IORESOURCE_IRQ,
182         },
183 };
184
185 static struct platform_device orion5x_eth = {
186         .name           = MV643XX_ETH_NAME,
187         .id             = 0,
188         .num_resources  = 1,
189         .resource       = orion5x_eth_resources,
190 };
191
192 void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
193 {
194         eth_data->shared = &orion5x_eth_shared;
195         orion5x_eth.dev.platform_data = eth_data;
196
197         platform_device_register(&orion5x_eth_shared);
198         platform_device_register(&orion5x_eth);
199 }
200
201
202 /*****************************************************************************
203  * Ethernet switch
204  ****************************************************************************/
205 static struct resource orion5x_switch_resources[] = {
206         {
207                 .start  = 0,
208                 .end    = 0,
209                 .flags  = IORESOURCE_IRQ,
210         },
211 };
212
213 static struct platform_device orion5x_switch_device = {
214         .name           = "dsa",
215         .id             = 0,
216         .num_resources  = 0,
217         .resource       = orion5x_switch_resources,
218 };
219
220 void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq)
221 {
222         if (irq != NO_IRQ) {
223                 orion5x_switch_resources[0].start = irq;
224                 orion5x_switch_resources[0].end = irq;
225                 orion5x_switch_device.num_resources = 1;
226         }
227
228         d->mii_bus = &orion5x_eth_shared.dev;
229         d->netdev = &orion5x_eth.dev;
230         orion5x_switch_device.dev.platform_data = d;
231
232         platform_device_register(&orion5x_switch_device);
233 }
234
235
236 /*****************************************************************************
237  * I2C
238  ****************************************************************************/
239 static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
240         .freq_m         = 8, /* assumes 166 MHz TCLK */
241         .freq_n         = 3,
242         .timeout        = 1000, /* Default timeout of 1 second */
243 };
244
245 static struct resource orion5x_i2c_resources[] = {
246         {
247                 .name   = "i2c base",
248                 .start  = I2C_PHYS_BASE,
249                 .end    = I2C_PHYS_BASE + 0x1f,
250                 .flags  = IORESOURCE_MEM,
251         }, {
252                 .name   = "i2c irq",
253                 .start  = IRQ_ORION5X_I2C,
254                 .end    = IRQ_ORION5X_I2C,
255                 .flags  = IORESOURCE_IRQ,
256         },
257 };
258
259 static struct platform_device orion5x_i2c = {
260         .name           = MV64XXX_I2C_CTLR_NAME,
261         .id             = 0,
262         .num_resources  = ARRAY_SIZE(orion5x_i2c_resources),
263         .resource       = orion5x_i2c_resources,
264         .dev            = {
265                 .platform_data  = &orion5x_i2c_pdata,
266         },
267 };
268
269 void __init orion5x_i2c_init(void)
270 {
271         platform_device_register(&orion5x_i2c);
272 }
273
274
275 /*****************************************************************************
276  * SATA
277  ****************************************************************************/
278 static struct resource orion5x_sata_resources[] = {
279         {
280                 .name   = "sata base",
281                 .start  = ORION5X_SATA_PHYS_BASE,
282                 .end    = ORION5X_SATA_PHYS_BASE + 0x5000 - 1,
283                 .flags  = IORESOURCE_MEM,
284         }, {
285                 .name   = "sata irq",
286                 .start  = IRQ_ORION5X_SATA,
287                 .end    = IRQ_ORION5X_SATA,
288                 .flags  = IORESOURCE_IRQ,
289         },
290 };
291
292 static struct platform_device orion5x_sata = {
293         .name           = "sata_mv",
294         .id             = 0,
295         .dev            = {
296                 .coherent_dma_mask      = 0xffffffff,
297         },
298         .num_resources  = ARRAY_SIZE(orion5x_sata_resources),
299         .resource       = orion5x_sata_resources,
300 };
301
302 void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
303 {
304         sata_data->dram = &orion5x_mbus_dram_info;
305         orion5x_sata.dev.platform_data = sata_data;
306         platform_device_register(&orion5x_sata);
307 }
308
309
310 /*****************************************************************************
311  * SPI
312  ****************************************************************************/
313 static struct orion_spi_info orion5x_spi_plat_data = {
314         .tclk                   = 0,
315         .enable_clock_fix       = 1,
316 };
317
318 static struct resource orion5x_spi_resources[] = {
319         {
320                 .name   = "spi base",
321                 .start  = SPI_PHYS_BASE,
322                 .end    = SPI_PHYS_BASE + 0x1f,
323                 .flags  = IORESOURCE_MEM,
324         },
325 };
326
327 static struct platform_device orion5x_spi = {
328         .name           = "orion_spi",
329         .id             = 0,
330         .dev            = {
331                 .platform_data  = &orion5x_spi_plat_data,
332         },
333         .num_resources  = ARRAY_SIZE(orion5x_spi_resources),
334         .resource       = orion5x_spi_resources,
335 };
336
337 void __init orion5x_spi_init()
338 {
339         platform_device_register(&orion5x_spi);
340 }
341
342
343 /*****************************************************************************
344  * UART0
345  ****************************************************************************/
346 static struct plat_serial8250_port orion5x_uart0_data[] = {
347         {
348                 .mapbase        = UART0_PHYS_BASE,
349                 .membase        = (char *)UART0_VIRT_BASE,
350                 .irq            = IRQ_ORION5X_UART0,
351                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
352                 .iotype         = UPIO_MEM,
353                 .regshift       = 2,
354                 .uartclk        = 0,
355         }, {
356         },
357 };
358
359 static struct resource orion5x_uart0_resources[] = {
360         {
361                 .start          = UART0_PHYS_BASE,
362                 .end            = UART0_PHYS_BASE + 0xff,
363                 .flags          = IORESOURCE_MEM,
364         }, {
365                 .start          = IRQ_ORION5X_UART0,
366                 .end            = IRQ_ORION5X_UART0,
367                 .flags          = IORESOURCE_IRQ,
368         },
369 };
370
371 static struct platform_device orion5x_uart0 = {
372         .name                   = "serial8250",
373         .id                     = PLAT8250_DEV_PLATFORM,
374         .dev                    = {
375                 .platform_data  = orion5x_uart0_data,
376         },
377         .resource               = orion5x_uart0_resources,
378         .num_resources          = ARRAY_SIZE(orion5x_uart0_resources),
379 };
380
381 void __init orion5x_uart0_init(void)
382 {
383         platform_device_register(&orion5x_uart0);
384 }
385
386
387 /*****************************************************************************
388  * UART1
389  ****************************************************************************/
390 static struct plat_serial8250_port orion5x_uart1_data[] = {
391         {
392                 .mapbase        = UART1_PHYS_BASE,
393                 .membase        = (char *)UART1_VIRT_BASE,
394                 .irq            = IRQ_ORION5X_UART1,
395                 .flags          = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
396                 .iotype         = UPIO_MEM,
397                 .regshift       = 2,
398                 .uartclk        = 0,
399         }, {
400         },
401 };
402
403 static struct resource orion5x_uart1_resources[] = {
404         {
405                 .start          = UART1_PHYS_BASE,
406                 .end            = UART1_PHYS_BASE + 0xff,
407                 .flags          = IORESOURCE_MEM,
408         }, {
409                 .start          = IRQ_ORION5X_UART1,
410                 .end            = IRQ_ORION5X_UART1,
411                 .flags          = IORESOURCE_IRQ,
412         },
413 };
414
415 static struct platform_device orion5x_uart1 = {
416         .name                   = "serial8250",
417         .id                     = PLAT8250_DEV_PLATFORM1,
418         .dev                    = {
419                 .platform_data  = orion5x_uart1_data,
420         },
421         .resource               = orion5x_uart1_resources,
422         .num_resources          = ARRAY_SIZE(orion5x_uart1_resources),
423 };
424
425 void __init orion5x_uart1_init(void)
426 {
427         platform_device_register(&orion5x_uart1);
428 }
429
430
431 /*****************************************************************************
432  * XOR engine
433  ****************************************************************************/
434 static struct resource orion5x_xor_shared_resources[] = {
435         {
436                 .name   = "xor low",
437                 .start  = ORION5X_XOR_PHYS_BASE,
438                 .end    = ORION5X_XOR_PHYS_BASE + 0xff,
439                 .flags  = IORESOURCE_MEM,
440         }, {
441                 .name   = "xor high",
442                 .start  = ORION5X_XOR_PHYS_BASE + 0x200,
443                 .end    = ORION5X_XOR_PHYS_BASE + 0x2ff,
444                 .flags  = IORESOURCE_MEM,
445         },
446 };
447
448 static struct platform_device orion5x_xor_shared = {
449         .name           = MV_XOR_SHARED_NAME,
450         .id             = 0,
451         .num_resources  = ARRAY_SIZE(orion5x_xor_shared_resources),
452         .resource       = orion5x_xor_shared_resources,
453 };
454
455 static u64 orion5x_xor_dmamask = DMA_32BIT_MASK;
456
457 static struct resource orion5x_xor0_resources[] = {
458         [0] = {
459                 .start  = IRQ_ORION5X_XOR0,
460                 .end    = IRQ_ORION5X_XOR0,
461                 .flags  = IORESOURCE_IRQ,
462         },
463 };
464
465 static struct mv_xor_platform_data orion5x_xor0_data = {
466         .shared         = &orion5x_xor_shared,
467         .hw_id          = 0,
468         .pool_size      = PAGE_SIZE,
469 };
470
471 static struct platform_device orion5x_xor0_channel = {
472         .name           = MV_XOR_NAME,
473         .id             = 0,
474         .num_resources  = ARRAY_SIZE(orion5x_xor0_resources),
475         .resource       = orion5x_xor0_resources,
476         .dev            = {
477                 .dma_mask               = &orion5x_xor_dmamask,
478                 .coherent_dma_mask      = DMA_64BIT_MASK,
479                 .platform_data          = (void *)&orion5x_xor0_data,
480         },
481 };
482
483 static struct resource orion5x_xor1_resources[] = {
484         [0] = {
485                 .start  = IRQ_ORION5X_XOR1,
486                 .end    = IRQ_ORION5X_XOR1,
487                 .flags  = IORESOURCE_IRQ,
488         },
489 };
490
491 static struct mv_xor_platform_data orion5x_xor1_data = {
492         .shared         = &orion5x_xor_shared,
493         .hw_id          = 1,
494         .pool_size      = PAGE_SIZE,
495 };
496
497 static struct platform_device orion5x_xor1_channel = {
498         .name           = MV_XOR_NAME,
499         .id             = 1,
500         .num_resources  = ARRAY_SIZE(orion5x_xor1_resources),
501         .resource       = orion5x_xor1_resources,
502         .dev            = {
503                 .dma_mask               = &orion5x_xor_dmamask,
504                 .coherent_dma_mask      = DMA_64BIT_MASK,
505                 .platform_data          = (void *)&orion5x_xor1_data,
506         },
507 };
508
509 void __init orion5x_xor_init(void)
510 {
511         platform_device_register(&orion5x_xor_shared);
512
513         /*
514          * two engines can't do memset simultaneously, this limitation
515          * satisfied by removing memset support from one of the engines.
516          */
517         dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask);
518         dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask);
519         platform_device_register(&orion5x_xor0_channel);
520
521         dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask);
522         dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask);
523         dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask);
524         platform_device_register(&orion5x_xor1_channel);
525 }
526
527
528 /*****************************************************************************
529  * Time handling
530  ****************************************************************************/
531 int orion5x_tclk;
532
533 int __init orion5x_find_tclk(void)
534 {
535         u32 dev, rev;
536
537         orion5x_pcie_id(&dev, &rev);
538         if (dev == MV88F6183_DEV_ID &&
539             (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0)
540                 return 133333333;
541
542         return 166666667;
543 }
544
545 static void orion5x_timer_init(void)
546 {
547         orion5x_tclk = orion5x_find_tclk();
548         orion_time_init(IRQ_ORION5X_BRIDGE, orion5x_tclk);
549 }
550
551 struct sys_timer orion5x_timer = {
552         .init = orion5x_timer_init,
553 };
554
555
556 /*****************************************************************************
557  * General
558  ****************************************************************************/
559 /*
560  * Identify device ID and rev from PCIe configuration header space '0'.
561  */
562 static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
563 {
564         orion5x_pcie_id(dev, rev);
565
566         if (*dev == MV88F5281_DEV_ID) {
567                 if (*rev == MV88F5281_REV_D2) {
568                         *dev_name = "MV88F5281-D2";
569                 } else if (*rev == MV88F5281_REV_D1) {
570                         *dev_name = "MV88F5281-D1";
571                 } else if (*rev == MV88F5281_REV_D0) {
572                         *dev_name = "MV88F5281-D0";
573                 } else {
574                         *dev_name = "MV88F5281-Rev-Unsupported";
575                 }
576         } else if (*dev == MV88F5182_DEV_ID) {
577                 if (*rev == MV88F5182_REV_A2) {
578                         *dev_name = "MV88F5182-A2";
579                 } else {
580                         *dev_name = "MV88F5182-Rev-Unsupported";
581                 }
582         } else if (*dev == MV88F5181_DEV_ID) {
583                 if (*rev == MV88F5181_REV_B1) {
584                         *dev_name = "MV88F5181-Rev-B1";
585                 } else if (*rev == MV88F5181L_REV_A1) {
586                         *dev_name = "MV88F5181L-Rev-A1";
587                 } else {
588                         *dev_name = "MV88F5181(L)-Rev-Unsupported";
589                 }
590         } else if (*dev == MV88F6183_DEV_ID) {
591                 if (*rev == MV88F6183_REV_B0) {
592                         *dev_name = "MV88F6183-Rev-B0";
593                 } else {
594                         *dev_name = "MV88F6183-Rev-Unsupported";
595                 }
596         } else {
597                 *dev_name = "Device-Unknown";
598         }
599 }
600
601 void __init orion5x_init(void)
602 {
603         char *dev_name;
604         u32 dev, rev;
605
606         orion5x_id(&dev, &rev, &dev_name);
607         printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
608
609         orion5x_eth_shared_data.t_clk = orion5x_tclk;
610         orion5x_spi_plat_data.tclk = orion5x_tclk;
611         orion5x_uart0_data[0].uartclk = orion5x_tclk;
612         orion5x_uart1_data[0].uartclk = orion5x_tclk;
613
614         /*
615          * Setup Orion address map
616          */
617         orion5x_setup_cpu_mbus_bridge();
618
619         /*
620          * Don't issue "Wait for Interrupt" instruction if we are
621          * running on D0 5281 silicon.
622          */
623         if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
624                 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
625                 disable_hlt();
626         }
627 }
628
629 /*
630  * Many orion-based systems have buggy bootloader implementations.
631  * This is a common fixup for bogus memory tags.
632  */
633 void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
634                             char **from, struct meminfo *meminfo)
635 {
636         for (; t->hdr.size; t = tag_next(t))
637                 if (t->hdr.tag == ATAG_MEM &&
638                     (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
639                      t->u.mem.start & ~PAGE_MASK)) {
640                         printk(KERN_WARNING
641                                "Clearing invalid memory bank %dKB@0x%08x\n",
642                                t->u.mem.size / 1024, t->u.mem.start);
643                         t->hdr.tag = 0;
644                 }
645 }