2 * arch/arm/mach-kirkwood/common.c
4 * Core functions for Marvell Kirkwood SoCs
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.
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>
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>
34 /*****************************************************************************
36 ****************************************************************************/
37 static struct map_desc kirkwood_io_desc[] __initdata = {
39 .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE,
40 .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
41 .length = KIRKWOOD_PCIE_IO_SIZE,
44 .virtual = KIRKWOOD_REGS_VIRT_BASE,
45 .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
46 .length = KIRKWOOD_REGS_SIZE,
51 void __init kirkwood_map_io(void)
53 iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
57 /*****************************************************************************
59 ****************************************************************************/
60 static struct orion_ehci_data kirkwood_ehci_data = {
61 .dram = &kirkwood_mbus_dram_info,
62 .phy_version = EHCI_PHY_NA,
65 static u64 ehci_dmamask = 0xffffffffUL;
68 /*****************************************************************************
70 ****************************************************************************/
71 static struct resource kirkwood_ehci_resources[] = {
73 .start = USB_PHYS_BASE,
74 .end = USB_PHYS_BASE + 0x0fff,
75 .flags = IORESOURCE_MEM,
77 .start = IRQ_KIRKWOOD_USB,
78 .end = IRQ_KIRKWOOD_USB,
79 .flags = IORESOURCE_IRQ,
83 static struct platform_device kirkwood_ehci = {
87 .dma_mask = &ehci_dmamask,
88 .coherent_dma_mask = 0xffffffff,
89 .platform_data = &kirkwood_ehci_data,
91 .resource = kirkwood_ehci_resources,
92 .num_resources = ARRAY_SIZE(kirkwood_ehci_resources),
95 void __init kirkwood_ehci_init(void)
97 platform_device_register(&kirkwood_ehci);
101 /*****************************************************************************
103 ****************************************************************************/
104 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
105 .dram = &kirkwood_mbus_dram_info,
108 static struct resource kirkwood_ge00_shared_resources[] = {
111 .start = GE00_PHYS_BASE + 0x2000,
112 .end = GE00_PHYS_BASE + 0x3fff,
113 .flags = IORESOURCE_MEM,
115 .name = "ge00 err irq",
116 .start = IRQ_KIRKWOOD_GE00_ERR,
117 .end = IRQ_KIRKWOOD_GE00_ERR,
118 .flags = IORESOURCE_IRQ,
122 static struct platform_device kirkwood_ge00_shared = {
123 .name = MV643XX_ETH_SHARED_NAME,
126 .platform_data = &kirkwood_ge00_shared_data,
128 .num_resources = ARRAY_SIZE(kirkwood_ge00_shared_resources),
129 .resource = kirkwood_ge00_shared_resources,
132 static struct resource kirkwood_ge00_resources[] = {
135 .start = IRQ_KIRKWOOD_GE00_SUM,
136 .end = IRQ_KIRKWOOD_GE00_SUM,
137 .flags = IORESOURCE_IRQ,
141 static struct platform_device kirkwood_ge00 = {
142 .name = MV643XX_ETH_NAME,
145 .resource = kirkwood_ge00_resources,
148 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
150 eth_data->shared = &kirkwood_ge00_shared;
151 kirkwood_ge00.dev.platform_data = eth_data;
153 platform_device_register(&kirkwood_ge00_shared);
154 platform_device_register(&kirkwood_ge00);
158 /*****************************************************************************
160 ****************************************************************************/
161 struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
162 .dram = &kirkwood_mbus_dram_info,
163 .shared_smi = &kirkwood_ge00_shared,
166 static struct resource kirkwood_ge01_shared_resources[] = {
169 .start = GE01_PHYS_BASE + 0x2000,
170 .end = GE01_PHYS_BASE + 0x3fff,
171 .flags = IORESOURCE_MEM,
173 .name = "ge01 err irq",
174 .start = IRQ_KIRKWOOD_GE01_ERR,
175 .end = IRQ_KIRKWOOD_GE01_ERR,
176 .flags = IORESOURCE_IRQ,
180 static struct platform_device kirkwood_ge01_shared = {
181 .name = MV643XX_ETH_SHARED_NAME,
184 .platform_data = &kirkwood_ge01_shared_data,
186 .num_resources = ARRAY_SIZE(kirkwood_ge01_shared_resources),
187 .resource = kirkwood_ge01_shared_resources,
190 static struct resource kirkwood_ge01_resources[] = {
193 .start = IRQ_KIRKWOOD_GE01_SUM,
194 .end = IRQ_KIRKWOOD_GE01_SUM,
195 .flags = IORESOURCE_IRQ,
199 static struct platform_device kirkwood_ge01 = {
200 .name = MV643XX_ETH_NAME,
203 .resource = kirkwood_ge01_resources,
206 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
208 eth_data->shared = &kirkwood_ge01_shared;
209 kirkwood_ge01.dev.platform_data = eth_data;
211 platform_device_register(&kirkwood_ge01_shared);
212 platform_device_register(&kirkwood_ge01);
216 /*****************************************************************************
218 ****************************************************************************/
219 static struct resource kirkwood_switch_resources[] = {
223 .flags = IORESOURCE_IRQ,
227 static struct platform_device kirkwood_switch_device = {
231 .resource = kirkwood_switch_resources,
234 void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
237 kirkwood_switch_resources[0].start = irq;
238 kirkwood_switch_resources[0].end = irq;
239 kirkwood_switch_device.num_resources = 1;
242 d->mii_bus = &kirkwood_ge00_shared.dev;
243 d->netdev = &kirkwood_ge00.dev;
244 kirkwood_switch_device.dev.platform_data = d;
246 platform_device_register(&kirkwood_switch_device);
250 /*****************************************************************************
252 ****************************************************************************/
253 static struct resource kirkwood_rtc_resource = {
254 .start = RTC_PHYS_BASE,
255 .end = RTC_PHYS_BASE + SZ_16 - 1,
256 .flags = IORESOURCE_MEM,
259 static void __init kirkwood_rtc_init(void)
261 platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
265 /*****************************************************************************
267 ****************************************************************************/
268 static struct resource kirkwood_sata_resources[] = {
271 .start = SATA_PHYS_BASE,
272 .end = SATA_PHYS_BASE + 0x5000 - 1,
273 .flags = IORESOURCE_MEM,
276 .start = IRQ_KIRKWOOD_SATA,
277 .end = IRQ_KIRKWOOD_SATA,
278 .flags = IORESOURCE_IRQ,
282 static struct platform_device kirkwood_sata = {
286 .coherent_dma_mask = 0xffffffff,
288 .num_resources = ARRAY_SIZE(kirkwood_sata_resources),
289 .resource = kirkwood_sata_resources,
292 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
294 sata_data->dram = &kirkwood_mbus_dram_info;
295 kirkwood_sata.dev.platform_data = sata_data;
296 platform_device_register(&kirkwood_sata);
300 /*****************************************************************************
302 ****************************************************************************/
303 static struct resource mvsdio_resources[] = {
305 .start = SDIO_PHYS_BASE,
306 .end = SDIO_PHYS_BASE + SZ_1K - 1,
307 .flags = IORESOURCE_MEM,
310 .start = IRQ_KIRKWOOD_SDIO,
311 .end = IRQ_KIRKWOOD_SDIO,
312 .flags = IORESOURCE_IRQ,
316 static u64 mvsdio_dmamask = 0xffffffffUL;
318 static struct platform_device kirkwood_sdio = {
322 .dma_mask = &mvsdio_dmamask,
323 .coherent_dma_mask = 0xffffffff,
325 .num_resources = ARRAY_SIZE(mvsdio_resources),
326 .resource = mvsdio_resources,
329 void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
333 kirkwood_pcie_id(&dev, &rev);
334 if (rev == 0) /* catch all Kirkwood Z0's */
335 mvsdio_data->clock = 100000000;
337 mvsdio_data->clock = 200000000;
338 mvsdio_data->dram = &kirkwood_mbus_dram_info;
339 kirkwood_sdio.dev.platform_data = mvsdio_data;
340 platform_device_register(&kirkwood_sdio);
344 /*****************************************************************************
346 ****************************************************************************/
347 static struct orion_spi_info kirkwood_spi_plat_data = {
350 static struct resource kirkwood_spi_resources[] = {
352 .start = SPI_PHYS_BASE,
353 .end = SPI_PHYS_BASE + SZ_512 - 1,
354 .flags = IORESOURCE_MEM,
358 static struct platform_device kirkwood_spi = {
361 .resource = kirkwood_spi_resources,
363 .platform_data = &kirkwood_spi_plat_data,
365 .num_resources = ARRAY_SIZE(kirkwood_spi_resources),
368 void __init kirkwood_spi_init()
370 platform_device_register(&kirkwood_spi);
374 /*****************************************************************************
376 ****************************************************************************/
377 static struct mv64xxx_i2c_pdata kirkwood_i2c_pdata = {
378 .freq_m = 8, /* assumes 166 MHz TCLK */
380 .timeout = 1000, /* Default timeout of 1 second */
383 static struct resource kirkwood_i2c_resources[] = {
386 .start = I2C_PHYS_BASE,
387 .end = I2C_PHYS_BASE + 0x1f,
388 .flags = IORESOURCE_MEM,
391 .start = IRQ_KIRKWOOD_TWSI,
392 .end = IRQ_KIRKWOOD_TWSI,
393 .flags = IORESOURCE_IRQ,
397 static struct platform_device kirkwood_i2c = {
398 .name = MV64XXX_I2C_CTLR_NAME,
400 .num_resources = ARRAY_SIZE(kirkwood_i2c_resources),
401 .resource = kirkwood_i2c_resources,
403 .platform_data = &kirkwood_i2c_pdata,
407 void __init kirkwood_i2c_init(void)
409 platform_device_register(&kirkwood_i2c);
413 /*****************************************************************************
415 ****************************************************************************/
416 static struct plat_serial8250_port kirkwood_uart0_data[] = {
418 .mapbase = UART0_PHYS_BASE,
419 .membase = (char *)UART0_VIRT_BASE,
420 .irq = IRQ_KIRKWOOD_UART_0,
421 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
429 static struct resource kirkwood_uart0_resources[] = {
431 .start = UART0_PHYS_BASE,
432 .end = UART0_PHYS_BASE + 0xff,
433 .flags = IORESOURCE_MEM,
435 .start = IRQ_KIRKWOOD_UART_0,
436 .end = IRQ_KIRKWOOD_UART_0,
437 .flags = IORESOURCE_IRQ,
441 static struct platform_device kirkwood_uart0 = {
442 .name = "serial8250",
445 .platform_data = kirkwood_uart0_data,
447 .resource = kirkwood_uart0_resources,
448 .num_resources = ARRAY_SIZE(kirkwood_uart0_resources),
451 void __init kirkwood_uart0_init(void)
453 platform_device_register(&kirkwood_uart0);
457 /*****************************************************************************
459 ****************************************************************************/
460 static struct plat_serial8250_port kirkwood_uart1_data[] = {
462 .mapbase = UART1_PHYS_BASE,
463 .membase = (char *)UART1_VIRT_BASE,
464 .irq = IRQ_KIRKWOOD_UART_1,
465 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
473 static struct resource kirkwood_uart1_resources[] = {
475 .start = UART1_PHYS_BASE,
476 .end = UART1_PHYS_BASE + 0xff,
477 .flags = IORESOURCE_MEM,
479 .start = IRQ_KIRKWOOD_UART_1,
480 .end = IRQ_KIRKWOOD_UART_1,
481 .flags = IORESOURCE_IRQ,
485 static struct platform_device kirkwood_uart1 = {
486 .name = "serial8250",
489 .platform_data = kirkwood_uart1_data,
491 .resource = kirkwood_uart1_resources,
492 .num_resources = ARRAY_SIZE(kirkwood_uart1_resources),
495 void __init kirkwood_uart1_init(void)
497 platform_device_register(&kirkwood_uart1);
501 /*****************************************************************************
503 ****************************************************************************/
504 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
505 .dram = &kirkwood_mbus_dram_info,
508 static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
511 /*****************************************************************************
513 ****************************************************************************/
514 static struct resource kirkwood_xor0_shared_resources[] = {
517 .start = XOR0_PHYS_BASE,
518 .end = XOR0_PHYS_BASE + 0xff,
519 .flags = IORESOURCE_MEM,
521 .name = "xor 0 high",
522 .start = XOR0_HIGH_PHYS_BASE,
523 .end = XOR0_HIGH_PHYS_BASE + 0xff,
524 .flags = IORESOURCE_MEM,
528 static struct platform_device kirkwood_xor0_shared = {
529 .name = MV_XOR_SHARED_NAME,
532 .platform_data = &kirkwood_xor_shared_data,
534 .num_resources = ARRAY_SIZE(kirkwood_xor0_shared_resources),
535 .resource = kirkwood_xor0_shared_resources,
538 static struct resource kirkwood_xor00_resources[] = {
540 .start = IRQ_KIRKWOOD_XOR_00,
541 .end = IRQ_KIRKWOOD_XOR_00,
542 .flags = IORESOURCE_IRQ,
546 static struct mv_xor_platform_data kirkwood_xor00_data = {
547 .shared = &kirkwood_xor0_shared,
549 .pool_size = PAGE_SIZE,
552 static struct platform_device kirkwood_xor00_channel = {
555 .num_resources = ARRAY_SIZE(kirkwood_xor00_resources),
556 .resource = kirkwood_xor00_resources,
558 .dma_mask = &kirkwood_xor_dmamask,
559 .coherent_dma_mask = DMA_64BIT_MASK,
560 .platform_data = (void *)&kirkwood_xor00_data,
564 static struct resource kirkwood_xor01_resources[] = {
566 .start = IRQ_KIRKWOOD_XOR_01,
567 .end = IRQ_KIRKWOOD_XOR_01,
568 .flags = IORESOURCE_IRQ,
572 static struct mv_xor_platform_data kirkwood_xor01_data = {
573 .shared = &kirkwood_xor0_shared,
575 .pool_size = PAGE_SIZE,
578 static struct platform_device kirkwood_xor01_channel = {
581 .num_resources = ARRAY_SIZE(kirkwood_xor01_resources),
582 .resource = kirkwood_xor01_resources,
584 .dma_mask = &kirkwood_xor_dmamask,
585 .coherent_dma_mask = DMA_64BIT_MASK,
586 .platform_data = (void *)&kirkwood_xor01_data,
590 static void __init kirkwood_xor0_init(void)
592 platform_device_register(&kirkwood_xor0_shared);
595 * two engines can't do memset simultaneously, this limitation
596 * satisfied by removing memset support from one of the engines.
598 dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
599 dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
600 platform_device_register(&kirkwood_xor00_channel);
602 dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
603 dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
604 dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
605 platform_device_register(&kirkwood_xor01_channel);
609 /*****************************************************************************
611 ****************************************************************************/
612 static struct resource kirkwood_xor1_shared_resources[] = {
615 .start = XOR1_PHYS_BASE,
616 .end = XOR1_PHYS_BASE + 0xff,
617 .flags = IORESOURCE_MEM,
619 .name = "xor 1 high",
620 .start = XOR1_HIGH_PHYS_BASE,
621 .end = XOR1_HIGH_PHYS_BASE + 0xff,
622 .flags = IORESOURCE_MEM,
626 static struct platform_device kirkwood_xor1_shared = {
627 .name = MV_XOR_SHARED_NAME,
630 .platform_data = &kirkwood_xor_shared_data,
632 .num_resources = ARRAY_SIZE(kirkwood_xor1_shared_resources),
633 .resource = kirkwood_xor1_shared_resources,
636 static struct resource kirkwood_xor10_resources[] = {
638 .start = IRQ_KIRKWOOD_XOR_10,
639 .end = IRQ_KIRKWOOD_XOR_10,
640 .flags = IORESOURCE_IRQ,
644 static struct mv_xor_platform_data kirkwood_xor10_data = {
645 .shared = &kirkwood_xor1_shared,
647 .pool_size = PAGE_SIZE,
650 static struct platform_device kirkwood_xor10_channel = {
653 .num_resources = ARRAY_SIZE(kirkwood_xor10_resources),
654 .resource = kirkwood_xor10_resources,
656 .dma_mask = &kirkwood_xor_dmamask,
657 .coherent_dma_mask = DMA_64BIT_MASK,
658 .platform_data = (void *)&kirkwood_xor10_data,
662 static struct resource kirkwood_xor11_resources[] = {
664 .start = IRQ_KIRKWOOD_XOR_11,
665 .end = IRQ_KIRKWOOD_XOR_11,
666 .flags = IORESOURCE_IRQ,
670 static struct mv_xor_platform_data kirkwood_xor11_data = {
671 .shared = &kirkwood_xor1_shared,
673 .pool_size = PAGE_SIZE,
676 static struct platform_device kirkwood_xor11_channel = {
679 .num_resources = ARRAY_SIZE(kirkwood_xor11_resources),
680 .resource = kirkwood_xor11_resources,
682 .dma_mask = &kirkwood_xor_dmamask,
683 .coherent_dma_mask = DMA_64BIT_MASK,
684 .platform_data = (void *)&kirkwood_xor11_data,
688 static void __init kirkwood_xor1_init(void)
690 platform_device_register(&kirkwood_xor1_shared);
693 * two engines can't do memset simultaneously, this limitation
694 * satisfied by removing memset support from one of the engines.
696 dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
697 dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
698 platform_device_register(&kirkwood_xor10_channel);
700 dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
701 dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
702 dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
703 platform_device_register(&kirkwood_xor11_channel);
707 /*****************************************************************************
709 ****************************************************************************/
712 int __init kirkwood_find_tclk(void)
716 kirkwood_pcie_id(&dev, &rev);
717 if (dev == MV88F6281_DEV_ID && rev == MV88F6281_REV_A0)
723 static void kirkwood_timer_init(void)
725 kirkwood_tclk = kirkwood_find_tclk();
726 orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
729 struct sys_timer kirkwood_timer = {
730 .init = kirkwood_timer_init,
734 /*****************************************************************************
736 ****************************************************************************/
738 * Identify device ID and revision.
740 static char * __init kirkwood_id(void)
744 kirkwood_pcie_id(&dev, &rev);
746 if (dev == MV88F6281_DEV_ID) {
747 if (rev == MV88F6281_REV_Z0)
748 return "MV88F6281-Z0";
749 else if (rev == MV88F6281_REV_A0)
750 return "MV88F6281-A0";
752 return "MV88F6281-Rev-Unsupported";
753 } else if (dev == MV88F6192_DEV_ID) {
754 if (rev == MV88F6192_REV_Z0)
755 return "MV88F6192-Z0";
756 else if (rev == MV88F6192_REV_A0)
757 return "MV88F6192-A0";
759 return "MV88F6192-Rev-Unsupported";
760 } else if (dev == MV88F6180_DEV_ID) {
761 if (rev == MV88F6180_REV_A0)
762 return "MV88F6180-Rev-A0";
764 return "MV88F6180-Rev-Unsupported";
766 return "Device-Unknown";
770 static void __init kirkwood_l2_init(void)
772 #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH
773 writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG);
776 writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG);
781 void __init kirkwood_init(void)
783 printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
784 kirkwood_id(), kirkwood_tclk);
785 kirkwood_ge00_shared_data.t_clk = kirkwood_tclk;
786 kirkwood_ge01_shared_data.t_clk = kirkwood_tclk;
787 kirkwood_spi_plat_data.tclk = kirkwood_tclk;
788 kirkwood_uart0_data[0].uartclk = kirkwood_tclk;
789 kirkwood_uart1_data[0].uartclk = kirkwood_tclk;
791 kirkwood_setup_cpu_mbus();
793 #ifdef CONFIG_CACHE_FEROCEON_L2
797 /* internal devices that every board has */
799 kirkwood_xor0_init();
800 kirkwood_xor1_init();