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/ata_platform.h>
19 #include <asm/timex.h>
20 #include <asm/mach/map.h>
21 #include <asm/mach/time.h>
22 #include <mach/kirkwood.h>
23 #include <plat/cache-feroceon-l2.h>
24 #include <plat/ehci-orion.h>
25 #include <plat/mv_xor.h>
26 #include <plat/orion_nand.h>
27 #include <plat/time.h>
30 /*****************************************************************************
32 ****************************************************************************/
33 static struct map_desc kirkwood_io_desc[] __initdata = {
35 .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE,
36 .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
37 .length = KIRKWOOD_PCIE_IO_SIZE,
40 .virtual = KIRKWOOD_REGS_VIRT_BASE,
41 .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
42 .length = KIRKWOOD_REGS_SIZE,
47 void __init kirkwood_map_io(void)
49 iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
53 /*****************************************************************************
55 ****************************************************************************/
56 static struct orion_ehci_data kirkwood_ehci_data = {
57 .dram = &kirkwood_mbus_dram_info,
60 static u64 ehci_dmamask = 0xffffffffUL;
63 /*****************************************************************************
65 ****************************************************************************/
66 static struct resource kirkwood_ehci_resources[] = {
68 .start = USB_PHYS_BASE,
69 .end = USB_PHYS_BASE + 0x0fff,
70 .flags = IORESOURCE_MEM,
72 .start = IRQ_KIRKWOOD_USB,
73 .end = IRQ_KIRKWOOD_USB,
74 .flags = IORESOURCE_IRQ,
78 static struct platform_device kirkwood_ehci = {
82 .dma_mask = &ehci_dmamask,
83 .coherent_dma_mask = 0xffffffff,
84 .platform_data = &kirkwood_ehci_data,
86 .resource = kirkwood_ehci_resources,
87 .num_resources = ARRAY_SIZE(kirkwood_ehci_resources),
90 void __init kirkwood_ehci_init(void)
92 platform_device_register(&kirkwood_ehci);
96 /*****************************************************************************
98 ****************************************************************************/
99 struct mv643xx_eth_shared_platform_data kirkwood_ge00_shared_data = {
100 .t_clk = KIRKWOOD_TCLK,
101 .dram = &kirkwood_mbus_dram_info,
104 static struct resource kirkwood_ge00_shared_resources[] = {
107 .start = GE00_PHYS_BASE + 0x2000,
108 .end = GE00_PHYS_BASE + 0x3fff,
109 .flags = IORESOURCE_MEM,
113 static struct platform_device kirkwood_ge00_shared = {
114 .name = MV643XX_ETH_SHARED_NAME,
117 .platform_data = &kirkwood_ge00_shared_data,
120 .resource = kirkwood_ge00_shared_resources,
123 static struct resource kirkwood_ge00_resources[] = {
126 .start = IRQ_KIRKWOOD_GE00_SUM,
127 .end = IRQ_KIRKWOOD_GE00_SUM,
128 .flags = IORESOURCE_IRQ,
132 static struct platform_device kirkwood_ge00 = {
133 .name = MV643XX_ETH_NAME,
136 .resource = kirkwood_ge00_resources,
139 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
141 eth_data->shared = &kirkwood_ge00_shared;
142 kirkwood_ge00.dev.platform_data = eth_data;
144 platform_device_register(&kirkwood_ge00_shared);
145 platform_device_register(&kirkwood_ge00);
149 /*****************************************************************************
151 ****************************************************************************/
152 static struct resource kirkwood_rtc_resource = {
153 .start = RTC_PHYS_BASE,
154 .end = RTC_PHYS_BASE + SZ_16 - 1,
155 .flags = IORESOURCE_MEM,
158 void __init kirkwood_rtc_init(void)
160 platform_device_register_simple("rtc-mv", -1, &kirkwood_rtc_resource, 1);
164 /*****************************************************************************
166 ****************************************************************************/
167 static struct resource kirkwood_sata_resources[] = {
170 .start = SATA_PHYS_BASE,
171 .end = SATA_PHYS_BASE + 0x5000 - 1,
172 .flags = IORESOURCE_MEM,
175 .start = IRQ_KIRKWOOD_SATA,
176 .end = IRQ_KIRKWOOD_SATA,
177 .flags = IORESOURCE_IRQ,
181 static struct platform_device kirkwood_sata = {
185 .coherent_dma_mask = 0xffffffff,
187 .num_resources = ARRAY_SIZE(kirkwood_sata_resources),
188 .resource = kirkwood_sata_resources,
191 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
193 sata_data->dram = &kirkwood_mbus_dram_info;
194 kirkwood_sata.dev.platform_data = sata_data;
195 platform_device_register(&kirkwood_sata);
199 /*****************************************************************************
201 ****************************************************************************/
202 static struct plat_serial8250_port kirkwood_uart0_data[] = {
204 .mapbase = UART0_PHYS_BASE,
205 .membase = (char *)UART0_VIRT_BASE,
206 .irq = IRQ_KIRKWOOD_UART_0,
207 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
210 .uartclk = KIRKWOOD_TCLK,
215 static struct resource kirkwood_uart0_resources[] = {
217 .start = UART0_PHYS_BASE,
218 .end = UART0_PHYS_BASE + 0xff,
219 .flags = IORESOURCE_MEM,
221 .start = IRQ_KIRKWOOD_UART_0,
222 .end = IRQ_KIRKWOOD_UART_0,
223 .flags = IORESOURCE_IRQ,
227 static struct platform_device kirkwood_uart0 = {
228 .name = "serial8250",
231 .platform_data = kirkwood_uart0_data,
233 .resource = kirkwood_uart0_resources,
234 .num_resources = ARRAY_SIZE(kirkwood_uart0_resources),
237 void __init kirkwood_uart0_init(void)
239 platform_device_register(&kirkwood_uart0);
243 /*****************************************************************************
245 ****************************************************************************/
246 static struct plat_serial8250_port kirkwood_uart1_data[] = {
248 .mapbase = UART1_PHYS_BASE,
249 .membase = (char *)UART1_VIRT_BASE,
250 .irq = IRQ_KIRKWOOD_UART_1,
251 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
254 .uartclk = KIRKWOOD_TCLK,
259 static struct resource kirkwood_uart1_resources[] = {
261 .start = UART1_PHYS_BASE,
262 .end = UART1_PHYS_BASE + 0xff,
263 .flags = IORESOURCE_MEM,
265 .start = IRQ_KIRKWOOD_UART_1,
266 .end = IRQ_KIRKWOOD_UART_1,
267 .flags = IORESOURCE_IRQ,
271 static struct platform_device kirkwood_uart1 = {
272 .name = "serial8250",
275 .platform_data = kirkwood_uart1_data,
277 .resource = kirkwood_uart1_resources,
278 .num_resources = ARRAY_SIZE(kirkwood_uart1_resources),
281 void __init kirkwood_uart1_init(void)
283 platform_device_register(&kirkwood_uart1);
287 /*****************************************************************************
289 ****************************************************************************/
290 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
291 .dram = &kirkwood_mbus_dram_info,
294 static u64 kirkwood_xor_dmamask = DMA_32BIT_MASK;
297 /*****************************************************************************
299 ****************************************************************************/
300 static struct resource kirkwood_xor0_shared_resources[] = {
303 .start = XOR0_PHYS_BASE,
304 .end = XOR0_PHYS_BASE + 0xff,
305 .flags = IORESOURCE_MEM,
307 .name = "xor 0 high",
308 .start = XOR0_HIGH_PHYS_BASE,
309 .end = XOR0_HIGH_PHYS_BASE + 0xff,
310 .flags = IORESOURCE_MEM,
314 static struct platform_device kirkwood_xor0_shared = {
315 .name = MV_XOR_SHARED_NAME,
318 .platform_data = &kirkwood_xor_shared_data,
320 .num_resources = ARRAY_SIZE(kirkwood_xor0_shared_resources),
321 .resource = kirkwood_xor0_shared_resources,
324 static struct resource kirkwood_xor00_resources[] = {
326 .start = IRQ_KIRKWOOD_XOR_00,
327 .end = IRQ_KIRKWOOD_XOR_00,
328 .flags = IORESOURCE_IRQ,
332 static struct mv_xor_platform_data kirkwood_xor00_data = {
333 .shared = &kirkwood_xor0_shared,
335 .pool_size = PAGE_SIZE,
338 static struct platform_device kirkwood_xor00_channel = {
341 .num_resources = ARRAY_SIZE(kirkwood_xor00_resources),
342 .resource = kirkwood_xor00_resources,
344 .dma_mask = &kirkwood_xor_dmamask,
345 .coherent_dma_mask = DMA_64BIT_MASK,
346 .platform_data = (void *)&kirkwood_xor00_data,
350 static struct resource kirkwood_xor01_resources[] = {
352 .start = IRQ_KIRKWOOD_XOR_01,
353 .end = IRQ_KIRKWOOD_XOR_01,
354 .flags = IORESOURCE_IRQ,
358 static struct mv_xor_platform_data kirkwood_xor01_data = {
359 .shared = &kirkwood_xor0_shared,
361 .pool_size = PAGE_SIZE,
364 static struct platform_device kirkwood_xor01_channel = {
367 .num_resources = ARRAY_SIZE(kirkwood_xor01_resources),
368 .resource = kirkwood_xor01_resources,
370 .dma_mask = &kirkwood_xor_dmamask,
371 .coherent_dma_mask = DMA_64BIT_MASK,
372 .platform_data = (void *)&kirkwood_xor01_data,
376 void __init kirkwood_xor0_init(void)
378 platform_device_register(&kirkwood_xor0_shared);
381 * two engines can't do memset simultaneously, this limitation
382 * satisfied by removing memset support from one of the engines.
384 dma_cap_set(DMA_MEMCPY, kirkwood_xor00_data.cap_mask);
385 dma_cap_set(DMA_XOR, kirkwood_xor00_data.cap_mask);
386 platform_device_register(&kirkwood_xor00_channel);
388 dma_cap_set(DMA_MEMCPY, kirkwood_xor01_data.cap_mask);
389 dma_cap_set(DMA_MEMSET, kirkwood_xor01_data.cap_mask);
390 dma_cap_set(DMA_XOR, kirkwood_xor01_data.cap_mask);
391 platform_device_register(&kirkwood_xor01_channel);
395 /*****************************************************************************
397 ****************************************************************************/
398 static struct resource kirkwood_xor1_shared_resources[] = {
401 .start = XOR1_PHYS_BASE,
402 .end = XOR1_PHYS_BASE + 0xff,
403 .flags = IORESOURCE_MEM,
405 .name = "xor 1 high",
406 .start = XOR1_HIGH_PHYS_BASE,
407 .end = XOR1_HIGH_PHYS_BASE + 0xff,
408 .flags = IORESOURCE_MEM,
412 static struct platform_device kirkwood_xor1_shared = {
413 .name = MV_XOR_SHARED_NAME,
416 .platform_data = &kirkwood_xor_shared_data,
418 .num_resources = ARRAY_SIZE(kirkwood_xor1_shared_resources),
419 .resource = kirkwood_xor1_shared_resources,
422 static struct resource kirkwood_xor10_resources[] = {
424 .start = IRQ_KIRKWOOD_XOR_10,
425 .end = IRQ_KIRKWOOD_XOR_10,
426 .flags = IORESOURCE_IRQ,
430 static struct mv_xor_platform_data kirkwood_xor10_data = {
431 .shared = &kirkwood_xor1_shared,
433 .pool_size = PAGE_SIZE,
436 static struct platform_device kirkwood_xor10_channel = {
439 .num_resources = ARRAY_SIZE(kirkwood_xor10_resources),
440 .resource = kirkwood_xor10_resources,
442 .dma_mask = &kirkwood_xor_dmamask,
443 .coherent_dma_mask = DMA_64BIT_MASK,
444 .platform_data = (void *)&kirkwood_xor10_data,
448 static struct resource kirkwood_xor11_resources[] = {
450 .start = IRQ_KIRKWOOD_XOR_11,
451 .end = IRQ_KIRKWOOD_XOR_11,
452 .flags = IORESOURCE_IRQ,
456 static struct mv_xor_platform_data kirkwood_xor11_data = {
457 .shared = &kirkwood_xor1_shared,
459 .pool_size = PAGE_SIZE,
462 static struct platform_device kirkwood_xor11_channel = {
465 .num_resources = ARRAY_SIZE(kirkwood_xor11_resources),
466 .resource = kirkwood_xor11_resources,
468 .dma_mask = &kirkwood_xor_dmamask,
469 .coherent_dma_mask = DMA_64BIT_MASK,
470 .platform_data = (void *)&kirkwood_xor11_data,
474 void __init kirkwood_xor1_init(void)
476 platform_device_register(&kirkwood_xor1_shared);
479 * two engines can't do memset simultaneously, this limitation
480 * satisfied by removing memset support from one of the engines.
482 dma_cap_set(DMA_MEMCPY, kirkwood_xor10_data.cap_mask);
483 dma_cap_set(DMA_XOR, kirkwood_xor10_data.cap_mask);
484 platform_device_register(&kirkwood_xor10_channel);
486 dma_cap_set(DMA_MEMCPY, kirkwood_xor11_data.cap_mask);
487 dma_cap_set(DMA_MEMSET, kirkwood_xor11_data.cap_mask);
488 dma_cap_set(DMA_XOR, kirkwood_xor11_data.cap_mask);
489 platform_device_register(&kirkwood_xor11_channel);
493 /*****************************************************************************
495 ****************************************************************************/
496 static void kirkwood_timer_init(void)
498 orion_time_init(IRQ_KIRKWOOD_BRIDGE, KIRKWOOD_TCLK);
501 struct sys_timer kirkwood_timer = {
502 .init = kirkwood_timer_init,
506 /*****************************************************************************
508 ****************************************************************************/
509 static char * __init kirkwood_id(void)
511 switch (readl(DEVICE_ID) & 0x3) {
520 return "unknown 88F6000 variant";
523 static int __init is_l2_writethrough(void)
525 return !!(readl(L2_CONFIG_REG) & L2_WRITETHROUGH);
528 void __init kirkwood_init(void)
530 printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n",
531 kirkwood_id(), KIRKWOOD_TCLK);
533 kirkwood_setup_cpu_mbus();
535 #ifdef CONFIG_CACHE_FEROCEON_L2
536 feroceon_l2_init(is_l2_writethrough());