frv: Select GENERIC_HARDIRQS_NO_DEPRECATED
[cris-mirror.git] / arch / arm / mach-orion5x / common.c
blob986c3bf4e6b8dfc56ca89bc68d1c02a45237c557
1 /*
2 * arch/arm/mach-orion5x/common.c
4 * Core functions for Marvell Orion 5x SoCs
6 * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
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.
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/bridge-regs.h>
30 #include <mach/hardware.h>
31 #include <mach/orion5x.h>
32 #include <plat/ehci-orion.h>
33 #include <plat/mv_xor.h>
34 #include <plat/orion_nand.h>
35 #include <plat/orion_wdt.h>
36 #include <plat/time.h>
37 #include "common.h"
39 /*****************************************************************************
40 * I/O Address Mapping
41 ****************************************************************************/
42 static struct map_desc orion5x_io_desc[] __initdata = {
44 .virtual = ORION5X_REGS_VIRT_BASE,
45 .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE),
46 .length = ORION5X_REGS_SIZE,
47 .type = MT_DEVICE,
48 }, {
49 .virtual = ORION5X_PCIE_IO_VIRT_BASE,
50 .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE),
51 .length = ORION5X_PCIE_IO_SIZE,
52 .type = MT_DEVICE,
53 }, {
54 .virtual = ORION5X_PCI_IO_VIRT_BASE,
55 .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE),
56 .length = ORION5X_PCI_IO_SIZE,
57 .type = MT_DEVICE,
58 }, {
59 .virtual = ORION5X_PCIE_WA_VIRT_BASE,
60 .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE),
61 .length = ORION5X_PCIE_WA_SIZE,
62 .type = MT_DEVICE,
66 void __init orion5x_map_io(void)
68 iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc));
72 /*****************************************************************************
73 * EHCI
74 ****************************************************************************/
75 static struct orion_ehci_data orion5x_ehci_data = {
76 .dram = &orion5x_mbus_dram_info,
77 .phy_version = EHCI_PHY_ORION,
80 static u64 ehci_dmamask = 0xffffffffUL;
83 /*****************************************************************************
84 * EHCI0
85 ****************************************************************************/
86 static struct resource orion5x_ehci0_resources[] = {
88 .start = ORION5X_USB0_PHYS_BASE,
89 .end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1,
90 .flags = IORESOURCE_MEM,
91 }, {
92 .start = IRQ_ORION5X_USB0_CTRL,
93 .end = IRQ_ORION5X_USB0_CTRL,
94 .flags = IORESOURCE_IRQ,
98 static struct platform_device orion5x_ehci0 = {
99 .name = "orion-ehci",
100 .id = 0,
101 .dev = {
102 .dma_mask = &ehci_dmamask,
103 .coherent_dma_mask = 0xffffffff,
104 .platform_data = &orion5x_ehci_data,
106 .resource = orion5x_ehci0_resources,
107 .num_resources = ARRAY_SIZE(orion5x_ehci0_resources),
110 void __init orion5x_ehci0_init(void)
112 platform_device_register(&orion5x_ehci0);
116 /*****************************************************************************
117 * EHCI1
118 ****************************************************************************/
119 static struct resource orion5x_ehci1_resources[] = {
121 .start = ORION5X_USB1_PHYS_BASE,
122 .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1,
123 .flags = IORESOURCE_MEM,
124 }, {
125 .start = IRQ_ORION5X_USB1_CTRL,
126 .end = IRQ_ORION5X_USB1_CTRL,
127 .flags = IORESOURCE_IRQ,
131 static struct platform_device orion5x_ehci1 = {
132 .name = "orion-ehci",
133 .id = 1,
134 .dev = {
135 .dma_mask = &ehci_dmamask,
136 .coherent_dma_mask = 0xffffffff,
137 .platform_data = &orion5x_ehci_data,
139 .resource = orion5x_ehci1_resources,
140 .num_resources = ARRAY_SIZE(orion5x_ehci1_resources),
143 void __init orion5x_ehci1_init(void)
145 platform_device_register(&orion5x_ehci1);
149 /*****************************************************************************
150 * GigE
151 ****************************************************************************/
152 struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
153 .dram = &orion5x_mbus_dram_info,
156 static struct resource orion5x_eth_shared_resources[] = {
158 .start = ORION5X_ETH_PHYS_BASE + 0x2000,
159 .end = ORION5X_ETH_PHYS_BASE + 0x3fff,
160 .flags = IORESOURCE_MEM,
161 }, {
162 .start = IRQ_ORION5X_ETH_ERR,
163 .end = IRQ_ORION5X_ETH_ERR,
164 .flags = IORESOURCE_IRQ,
168 static struct platform_device orion5x_eth_shared = {
169 .name = MV643XX_ETH_SHARED_NAME,
170 .id = 0,
171 .dev = {
172 .platform_data = &orion5x_eth_shared_data,
174 .num_resources = ARRAY_SIZE(orion5x_eth_shared_resources),
175 .resource = orion5x_eth_shared_resources,
178 static struct resource orion5x_eth_resources[] = {
180 .name = "eth irq",
181 .start = IRQ_ORION5X_ETH_SUM,
182 .end = IRQ_ORION5X_ETH_SUM,
183 .flags = IORESOURCE_IRQ,
187 static struct platform_device orion5x_eth = {
188 .name = MV643XX_ETH_NAME,
189 .id = 0,
190 .num_resources = 1,
191 .resource = orion5x_eth_resources,
192 .dev = {
193 .coherent_dma_mask = 0xffffffff,
197 void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
199 eth_data->shared = &orion5x_eth_shared;
200 orion5x_eth.dev.platform_data = eth_data;
202 platform_device_register(&orion5x_eth_shared);
203 platform_device_register(&orion5x_eth);
207 /*****************************************************************************
208 * Ethernet switch
209 ****************************************************************************/
210 static struct resource orion5x_switch_resources[] = {
212 .start = 0,
213 .end = 0,
214 .flags = IORESOURCE_IRQ,
218 static struct platform_device orion5x_switch_device = {
219 .name = "dsa",
220 .id = 0,
221 .num_resources = 0,
222 .resource = orion5x_switch_resources,
225 void __init orion5x_eth_switch_init(struct dsa_platform_data *d, int irq)
227 int i;
229 if (irq != NO_IRQ) {
230 orion5x_switch_resources[0].start = irq;
231 orion5x_switch_resources[0].end = irq;
232 orion5x_switch_device.num_resources = 1;
235 d->netdev = &orion5x_eth.dev;
236 for (i = 0; i < d->nr_chips; i++)
237 d->chip[i].mii_bus = &orion5x_eth_shared.dev;
238 orion5x_switch_device.dev.platform_data = d;
240 platform_device_register(&orion5x_switch_device);
244 /*****************************************************************************
245 * I2C
246 ****************************************************************************/
247 static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
248 .freq_m = 8, /* assumes 166 MHz TCLK */
249 .freq_n = 3,
250 .timeout = 1000, /* Default timeout of 1 second */
253 static struct resource orion5x_i2c_resources[] = {
255 .start = I2C_PHYS_BASE,
256 .end = I2C_PHYS_BASE + 0x1f,
257 .flags = IORESOURCE_MEM,
258 }, {
259 .start = IRQ_ORION5X_I2C,
260 .end = IRQ_ORION5X_I2C,
261 .flags = IORESOURCE_IRQ,
265 static struct platform_device orion5x_i2c = {
266 .name = MV64XXX_I2C_CTLR_NAME,
267 .id = 0,
268 .num_resources = ARRAY_SIZE(orion5x_i2c_resources),
269 .resource = orion5x_i2c_resources,
270 .dev = {
271 .platform_data = &orion5x_i2c_pdata,
275 void __init orion5x_i2c_init(void)
277 platform_device_register(&orion5x_i2c);
281 /*****************************************************************************
282 * SATA
283 ****************************************************************************/
284 static struct resource orion5x_sata_resources[] = {
286 .name = "sata base",
287 .start = ORION5X_SATA_PHYS_BASE,
288 .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1,
289 .flags = IORESOURCE_MEM,
290 }, {
291 .name = "sata irq",
292 .start = IRQ_ORION5X_SATA,
293 .end = IRQ_ORION5X_SATA,
294 .flags = IORESOURCE_IRQ,
298 static struct platform_device orion5x_sata = {
299 .name = "sata_mv",
300 .id = 0,
301 .dev = {
302 .coherent_dma_mask = 0xffffffff,
304 .num_resources = ARRAY_SIZE(orion5x_sata_resources),
305 .resource = orion5x_sata_resources,
308 void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
310 sata_data->dram = &orion5x_mbus_dram_info;
311 orion5x_sata.dev.platform_data = sata_data;
312 platform_device_register(&orion5x_sata);
316 /*****************************************************************************
317 * SPI
318 ****************************************************************************/
319 static struct orion_spi_info orion5x_spi_plat_data = {
320 .tclk = 0,
321 .enable_clock_fix = 1,
324 static struct resource orion5x_spi_resources[] = {
326 .name = "spi base",
327 .start = SPI_PHYS_BASE,
328 .end = SPI_PHYS_BASE + 0x1f,
329 .flags = IORESOURCE_MEM,
333 static struct platform_device orion5x_spi = {
334 .name = "orion_spi",
335 .id = 0,
336 .dev = {
337 .platform_data = &orion5x_spi_plat_data,
339 .num_resources = ARRAY_SIZE(orion5x_spi_resources),
340 .resource = orion5x_spi_resources,
343 void __init orion5x_spi_init()
345 platform_device_register(&orion5x_spi);
349 /*****************************************************************************
350 * UART0
351 ****************************************************************************/
352 static struct plat_serial8250_port orion5x_uart0_data[] = {
354 .mapbase = UART0_PHYS_BASE,
355 .membase = (char *)UART0_VIRT_BASE,
356 .irq = IRQ_ORION5X_UART0,
357 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
358 .iotype = UPIO_MEM,
359 .regshift = 2,
360 .uartclk = 0,
361 }, {
365 static struct resource orion5x_uart0_resources[] = {
367 .start = UART0_PHYS_BASE,
368 .end = UART0_PHYS_BASE + 0xff,
369 .flags = IORESOURCE_MEM,
370 }, {
371 .start = IRQ_ORION5X_UART0,
372 .end = IRQ_ORION5X_UART0,
373 .flags = IORESOURCE_IRQ,
377 static struct platform_device orion5x_uart0 = {
378 .name = "serial8250",
379 .id = PLAT8250_DEV_PLATFORM,
380 .dev = {
381 .platform_data = orion5x_uart0_data,
383 .resource = orion5x_uart0_resources,
384 .num_resources = ARRAY_SIZE(orion5x_uart0_resources),
387 void __init orion5x_uart0_init(void)
389 platform_device_register(&orion5x_uart0);
393 /*****************************************************************************
394 * UART1
395 ****************************************************************************/
396 static struct plat_serial8250_port orion5x_uart1_data[] = {
398 .mapbase = UART1_PHYS_BASE,
399 .membase = (char *)UART1_VIRT_BASE,
400 .irq = IRQ_ORION5X_UART1,
401 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
402 .iotype = UPIO_MEM,
403 .regshift = 2,
404 .uartclk = 0,
405 }, {
409 static struct resource orion5x_uart1_resources[] = {
411 .start = UART1_PHYS_BASE,
412 .end = UART1_PHYS_BASE + 0xff,
413 .flags = IORESOURCE_MEM,
414 }, {
415 .start = IRQ_ORION5X_UART1,
416 .end = IRQ_ORION5X_UART1,
417 .flags = IORESOURCE_IRQ,
421 static struct platform_device orion5x_uart1 = {
422 .name = "serial8250",
423 .id = PLAT8250_DEV_PLATFORM1,
424 .dev = {
425 .platform_data = orion5x_uart1_data,
427 .resource = orion5x_uart1_resources,
428 .num_resources = ARRAY_SIZE(orion5x_uart1_resources),
431 void __init orion5x_uart1_init(void)
433 platform_device_register(&orion5x_uart1);
437 /*****************************************************************************
438 * XOR engine
439 ****************************************************************************/
440 struct mv_xor_platform_shared_data orion5x_xor_shared_data = {
441 .dram = &orion5x_mbus_dram_info,
444 static struct resource orion5x_xor_shared_resources[] = {
446 .name = "xor low",
447 .start = ORION5X_XOR_PHYS_BASE,
448 .end = ORION5X_XOR_PHYS_BASE + 0xff,
449 .flags = IORESOURCE_MEM,
450 }, {
451 .name = "xor high",
452 .start = ORION5X_XOR_PHYS_BASE + 0x200,
453 .end = ORION5X_XOR_PHYS_BASE + 0x2ff,
454 .flags = IORESOURCE_MEM,
458 static struct platform_device orion5x_xor_shared = {
459 .name = MV_XOR_SHARED_NAME,
460 .id = 0,
461 .dev = {
462 .platform_data = &orion5x_xor_shared_data,
464 .num_resources = ARRAY_SIZE(orion5x_xor_shared_resources),
465 .resource = orion5x_xor_shared_resources,
468 static u64 orion5x_xor_dmamask = DMA_BIT_MASK(32);
470 static struct resource orion5x_xor0_resources[] = {
471 [0] = {
472 .start = IRQ_ORION5X_XOR0,
473 .end = IRQ_ORION5X_XOR0,
474 .flags = IORESOURCE_IRQ,
478 static struct mv_xor_platform_data orion5x_xor0_data = {
479 .shared = &orion5x_xor_shared,
480 .hw_id = 0,
481 .pool_size = PAGE_SIZE,
484 static struct platform_device orion5x_xor0_channel = {
485 .name = MV_XOR_NAME,
486 .id = 0,
487 .num_resources = ARRAY_SIZE(orion5x_xor0_resources),
488 .resource = orion5x_xor0_resources,
489 .dev = {
490 .dma_mask = &orion5x_xor_dmamask,
491 .coherent_dma_mask = DMA_BIT_MASK(64),
492 .platform_data = &orion5x_xor0_data,
496 static struct resource orion5x_xor1_resources[] = {
497 [0] = {
498 .start = IRQ_ORION5X_XOR1,
499 .end = IRQ_ORION5X_XOR1,
500 .flags = IORESOURCE_IRQ,
504 static struct mv_xor_platform_data orion5x_xor1_data = {
505 .shared = &orion5x_xor_shared,
506 .hw_id = 1,
507 .pool_size = PAGE_SIZE,
510 static struct platform_device orion5x_xor1_channel = {
511 .name = MV_XOR_NAME,
512 .id = 1,
513 .num_resources = ARRAY_SIZE(orion5x_xor1_resources),
514 .resource = orion5x_xor1_resources,
515 .dev = {
516 .dma_mask = &orion5x_xor_dmamask,
517 .coherent_dma_mask = DMA_BIT_MASK(64),
518 .platform_data = &orion5x_xor1_data,
522 void __init orion5x_xor_init(void)
524 platform_device_register(&orion5x_xor_shared);
527 * two engines can't do memset simultaneously, this limitation
528 * satisfied by removing memset support from one of the engines.
530 dma_cap_set(DMA_MEMCPY, orion5x_xor0_data.cap_mask);
531 dma_cap_set(DMA_XOR, orion5x_xor0_data.cap_mask);
532 platform_device_register(&orion5x_xor0_channel);
534 dma_cap_set(DMA_MEMCPY, orion5x_xor1_data.cap_mask);
535 dma_cap_set(DMA_MEMSET, orion5x_xor1_data.cap_mask);
536 dma_cap_set(DMA_XOR, orion5x_xor1_data.cap_mask);
537 platform_device_register(&orion5x_xor1_channel);
540 static struct resource orion5x_crypto_res[] = {
542 .name = "regs",
543 .start = ORION5X_CRYPTO_PHYS_BASE,
544 .end = ORION5X_CRYPTO_PHYS_BASE + 0xffff,
545 .flags = IORESOURCE_MEM,
546 }, {
547 .name = "sram",
548 .start = ORION5X_SRAM_PHYS_BASE,
549 .end = ORION5X_SRAM_PHYS_BASE + SZ_8K - 1,
550 .flags = IORESOURCE_MEM,
551 }, {
552 .name = "crypto interrupt",
553 .start = IRQ_ORION5X_CESA,
554 .end = IRQ_ORION5X_CESA,
555 .flags = IORESOURCE_IRQ,
559 static struct platform_device orion5x_crypto_device = {
560 .name = "mv_crypto",
561 .id = -1,
562 .num_resources = ARRAY_SIZE(orion5x_crypto_res),
563 .resource = orion5x_crypto_res,
566 static int __init orion5x_crypto_init(void)
568 int ret;
570 ret = orion5x_setup_sram_win();
571 if (ret)
572 return ret;
574 return platform_device_register(&orion5x_crypto_device);
577 /*****************************************************************************
578 * Watchdog
579 ****************************************************************************/
580 static struct orion_wdt_platform_data orion5x_wdt_data = {
581 .tclk = 0,
584 static struct platform_device orion5x_wdt_device = {
585 .name = "orion_wdt",
586 .id = -1,
587 .dev = {
588 .platform_data = &orion5x_wdt_data,
590 .num_resources = 0,
593 void __init orion5x_wdt_init(void)
595 orion5x_wdt_data.tclk = orion5x_tclk;
596 platform_device_register(&orion5x_wdt_device);
600 /*****************************************************************************
601 * Time handling
602 ****************************************************************************/
603 void __init orion5x_init_early(void)
605 orion_time_set_base(TIMER_VIRT_BASE);
608 int orion5x_tclk;
610 int __init orion5x_find_tclk(void)
612 u32 dev, rev;
614 orion5x_pcie_id(&dev, &rev);
615 if (dev == MV88F6183_DEV_ID &&
616 (readl(MPP_RESET_SAMPLE) & 0x00000200) == 0)
617 return 133333333;
619 return 166666667;
622 static void orion5x_timer_init(void)
624 orion5x_tclk = orion5x_find_tclk();
626 orion_time_init(ORION5X_BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
627 IRQ_ORION5X_BRIDGE, orion5x_tclk);
630 struct sys_timer orion5x_timer = {
631 .init = orion5x_timer_init,
635 /*****************************************************************************
636 * General
637 ****************************************************************************/
639 * Identify device ID and rev from PCIe configuration header space '0'.
641 static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
643 orion5x_pcie_id(dev, rev);
645 if (*dev == MV88F5281_DEV_ID) {
646 if (*rev == MV88F5281_REV_D2) {
647 *dev_name = "MV88F5281-D2";
648 } else if (*rev == MV88F5281_REV_D1) {
649 *dev_name = "MV88F5281-D1";
650 } else if (*rev == MV88F5281_REV_D0) {
651 *dev_name = "MV88F5281-D0";
652 } else {
653 *dev_name = "MV88F5281-Rev-Unsupported";
655 } else if (*dev == MV88F5182_DEV_ID) {
656 if (*rev == MV88F5182_REV_A2) {
657 *dev_name = "MV88F5182-A2";
658 } else {
659 *dev_name = "MV88F5182-Rev-Unsupported";
661 } else if (*dev == MV88F5181_DEV_ID) {
662 if (*rev == MV88F5181_REV_B1) {
663 *dev_name = "MV88F5181-Rev-B1";
664 } else if (*rev == MV88F5181L_REV_A1) {
665 *dev_name = "MV88F5181L-Rev-A1";
666 } else {
667 *dev_name = "MV88F5181(L)-Rev-Unsupported";
669 } else if (*dev == MV88F6183_DEV_ID) {
670 if (*rev == MV88F6183_REV_B0) {
671 *dev_name = "MV88F6183-Rev-B0";
672 } else {
673 *dev_name = "MV88F6183-Rev-Unsupported";
675 } else {
676 *dev_name = "Device-Unknown";
680 void __init orion5x_init(void)
682 char *dev_name;
683 u32 dev, rev;
685 orion5x_id(&dev, &rev, &dev_name);
686 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
688 orion5x_eth_shared_data.t_clk = orion5x_tclk;
689 orion5x_spi_plat_data.tclk = orion5x_tclk;
690 orion5x_uart0_data[0].uartclk = orion5x_tclk;
691 orion5x_uart1_data[0].uartclk = orion5x_tclk;
694 * Setup Orion address map
696 orion5x_setup_cpu_mbus_bridge();
699 * Don't issue "Wait for Interrupt" instruction if we are
700 * running on D0 5281 silicon.
702 if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
703 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
704 disable_hlt();
708 * The 5082/5181l/5182/6082/6082l/6183 have crypto
709 * while 5180n/5181/5281 don't have crypto.
711 if ((dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0) ||
712 dev == MV88F5182_DEV_ID || dev == MV88F6183_DEV_ID)
713 orion5x_crypto_init();
716 * Register watchdog driver
718 orion5x_wdt_init();
722 * Many orion-based systems have buggy bootloader implementations.
723 * This is a common fixup for bogus memory tags.
725 void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
726 char **from, struct meminfo *meminfo)
728 for (; t->hdr.size; t = tag_next(t))
729 if (t->hdr.tag == ATAG_MEM &&
730 (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
731 t->u.mem.start & ~PAGE_MASK)) {
732 printk(KERN_WARNING
733 "Clearing invalid memory bank %dKB@0x%08x\n",
734 t->u.mem.size / 1024, t->u.mem.start);
735 t->hdr.tag = 0;