3 * arch/arm/mach-u300/core.c
6 * Copyright (C) 2007-2010 ST-Ericsson AB
7 * License terms: GNU General Public License (GPL) version 2
8 * Core platform support, IRQ handling and device definitions.
9 * Author: Linus Walleij <linus.walleij@stericsson.com>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/spinlock.h>
14 #include <linux/interrupt.h>
15 #include <linux/bitops.h>
16 #include <linux/device.h>
18 #include <linux/termios.h>
19 #include <linux/amba/bus.h>
20 #include <linux/platform_device.h>
21 #include <linux/gpio.h>
22 #include <linux/clk.h>
23 #include <linux/err.h>
24 #include <mach/coh901318.h>
26 #include <asm/types.h>
27 #include <asm/setup.h>
28 #include <asm/memory.h>
29 #include <asm/hardware/vic.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
33 #include <mach/hardware.h>
34 #include <mach/syscon.h>
35 #include <mach/dma_channels.h>
43 * Static I/O mappings that are needed for booting the U300 platforms. The
44 * only things we need are the areas where we find the timer, syscon and
45 * intcon, since the remaining device drivers will map their own memory
46 * physical to virtual as the need arise.
48 static struct map_desc u300_io_desc[] __initdata = {
50 .virtual = U300_SLOW_PER_VIRT_BASE,
51 .pfn = __phys_to_pfn(U300_SLOW_PER_PHYS_BASE),
56 .virtual = U300_AHB_PER_VIRT_BASE,
57 .pfn = __phys_to_pfn(U300_AHB_PER_PHYS_BASE),
62 .virtual = U300_FAST_PER_VIRT_BASE,
63 .pfn = __phys_to_pfn(U300_FAST_PER_PHYS_BASE),
68 .virtual = 0xffff2000, /* TCM memory */
69 .pfn = __phys_to_pfn(0xffff2000),
75 * This overlaps with the IRQ vectors etc at 0xffff0000, so these
76 * may have to be moved to 0x00000000 in order to use the ROM.
80 .virtual = U300_BOOTROM_VIRT_BASE,
81 .pfn = __phys_to_pfn(U300_BOOTROM_PHYS_BASE),
88 void __init u300_map_io(void)
90 iotable_init(u300_io_desc, ARRAY_SIZE(u300_io_desc));
94 * Declaration of devices found on the U300 board and
95 * their respective memory locations.
97 static struct amba_device uart0_device = {
99 .init_name = "uart0", /* Slow device at 0x3000 offset */
100 .platform_data = NULL,
103 .start = U300_UART0_BASE,
104 .end = U300_UART0_BASE + SZ_4K - 1,
105 .flags = IORESOURCE_MEM,
107 .irq = { IRQ_U300_UART0, NO_IRQ },
110 /* The U335 have an additional UART1 on the APP CPU */
111 #ifdef CONFIG_MACH_U300_BS335
112 static struct amba_device uart1_device = {
114 .init_name = "uart1", /* Fast device at 0x7000 offset */
115 .platform_data = NULL,
118 .start = U300_UART1_BASE,
119 .end = U300_UART1_BASE + SZ_4K - 1,
120 .flags = IORESOURCE_MEM,
122 .irq = { IRQ_U300_UART1, NO_IRQ },
126 static struct amba_device pl172_device = {
128 .init_name = "pl172", /* AHB device at 0x4000 offset */
129 .platform_data = NULL,
132 .start = U300_EMIF_CFG_BASE,
133 .end = U300_EMIF_CFG_BASE + SZ_4K - 1,
134 .flags = IORESOURCE_MEM,
140 * Everything within this next ifdef deals with external devices connected to
143 static struct amba_device pl022_device = {
145 .coherent_dma_mask = ~0,
146 .init_name = "pl022", /* Fast device at 0x6000 offset */
149 .start = U300_SPI_BASE,
150 .end = U300_SPI_BASE + SZ_4K - 1,
151 .flags = IORESOURCE_MEM,
153 .irq = {IRQ_U300_SPI, NO_IRQ },
155 * This device has a DMA channel but the Linux driver does not use
160 static struct amba_device mmcsd_device = {
162 .init_name = "mmci", /* Fast device at 0x1000 offset */
163 .platform_data = NULL, /* Added later */
166 .start = U300_MMCSD_BASE,
167 .end = U300_MMCSD_BASE + SZ_4K - 1,
168 .flags = IORESOURCE_MEM,
170 .irq = {IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 },
172 * This device has a DMA channel but the Linux driver does not use
178 * The order of device declaration may be important, since some devices
179 * have dependencies on other devices being initialized first.
181 static struct amba_device *amba_devs[] __initdata = {
183 #ifdef CONFIG_MACH_U300_BS335
191 /* Here follows a list of all hw resources that the platform devices
192 * allocate. Note, clock dependencies are not included
195 static struct resource gpio_resources[] = {
197 .start = U300_GPIO_BASE,
198 .end = (U300_GPIO_BASE + SZ_4K - 1),
199 .flags = IORESOURCE_MEM,
203 .start = IRQ_U300_GPIO_PORT0,
204 .end = IRQ_U300_GPIO_PORT0,
205 .flags = IORESOURCE_IRQ,
209 .start = IRQ_U300_GPIO_PORT1,
210 .end = IRQ_U300_GPIO_PORT1,
211 .flags = IORESOURCE_IRQ,
215 .start = IRQ_U300_GPIO_PORT2,
216 .end = IRQ_U300_GPIO_PORT2,
217 .flags = IORESOURCE_IRQ,
219 #ifdef U300_COH901571_3
222 .start = IRQ_U300_GPIO_PORT3,
223 .end = IRQ_U300_GPIO_PORT3,
224 .flags = IORESOURCE_IRQ,
228 .start = IRQ_U300_GPIO_PORT4,
229 .end = IRQ_U300_GPIO_PORT4,
230 .flags = IORESOURCE_IRQ,
232 #ifdef CONFIG_MACH_U300_BS335
235 .start = IRQ_U300_GPIO_PORT5,
236 .end = IRQ_U300_GPIO_PORT5,
237 .flags = IORESOURCE_IRQ,
241 .start = IRQ_U300_GPIO_PORT6,
242 .end = IRQ_U300_GPIO_PORT6,
243 .flags = IORESOURCE_IRQ,
245 #endif /* CONFIG_MACH_U300_BS335 */
246 #endif /* U300_COH901571_3 */
249 static struct resource keypad_resources[] = {
251 .start = U300_KEYPAD_BASE,
252 .end = U300_KEYPAD_BASE + SZ_4K - 1,
253 .flags = IORESOURCE_MEM,
256 .name = "coh901461-press",
257 .start = IRQ_U300_KEYPAD_KEYBF,
258 .end = IRQ_U300_KEYPAD_KEYBF,
259 .flags = IORESOURCE_IRQ,
262 .name = "coh901461-release",
263 .start = IRQ_U300_KEYPAD_KEYBR,
264 .end = IRQ_U300_KEYPAD_KEYBR,
265 .flags = IORESOURCE_IRQ,
269 static struct resource rtc_resources[] = {
271 .start = U300_RTC_BASE,
272 .end = U300_RTC_BASE + SZ_4K - 1,
273 .flags = IORESOURCE_MEM,
276 .start = IRQ_U300_RTC,
278 .flags = IORESOURCE_IRQ,
283 * Fsmc does have IRQs: #43 and #44 (NFIF and NFIF2)
284 * but these are not yet used by the driver.
286 static struct resource fsmc_resources[] = {
288 .start = U300_NAND_IF_PHYS_BASE,
289 .end = U300_NAND_IF_PHYS_BASE + SZ_4K - 1,
290 .flags = IORESOURCE_MEM,
294 static struct resource i2c0_resources[] = {
296 .start = U300_I2C0_BASE,
297 .end = U300_I2C0_BASE + SZ_4K - 1,
298 .flags = IORESOURCE_MEM,
301 .start = IRQ_U300_I2C0,
302 .end = IRQ_U300_I2C0,
303 .flags = IORESOURCE_IRQ,
307 static struct resource i2c1_resources[] = {
309 .start = U300_I2C1_BASE,
310 .end = U300_I2C1_BASE + SZ_4K - 1,
311 .flags = IORESOURCE_MEM,
314 .start = IRQ_U300_I2C1,
315 .end = IRQ_U300_I2C1,
316 .flags = IORESOURCE_IRQ,
321 static struct resource wdog_resources[] = {
323 .start = U300_WDOG_BASE,
324 .end = U300_WDOG_BASE + SZ_4K - 1,
325 .flags = IORESOURCE_MEM,
328 .start = IRQ_U300_WDOG,
329 .end = IRQ_U300_WDOG,
330 .flags = IORESOURCE_IRQ,
334 /* TODO: These should be protected by suitable #ifdef's */
335 static struct resource ave_resources[] = {
337 .name = "AVE3e I/O Area",
338 .start = U300_VIDEOENC_BASE,
339 .end = U300_VIDEOENC_BASE + SZ_512K - 1,
340 .flags = IORESOURCE_MEM,
343 .name = "AVE3e IRQ0",
344 .start = IRQ_U300_VIDEO_ENC_0,
345 .end = IRQ_U300_VIDEO_ENC_0,
346 .flags = IORESOURCE_IRQ,
349 .name = "AVE3e IRQ1",
350 .start = IRQ_U300_VIDEO_ENC_1,
351 .end = IRQ_U300_VIDEO_ENC_1,
352 .flags = IORESOURCE_IRQ,
355 .name = "AVE3e Physmem Area",
356 .start = 0, /* 0 will be remapped to reserved memory */
358 .flags = IORESOURCE_MEM,
361 * The AVE3e requires two regions of 256MB that it considers
362 * "invisible". The hardware will not be able to access these
363 * addresses, so they should never point to system RAM.
366 .name = "AVE3e Reserved 0",
368 .end = 0xd0000000 + SZ_256M - 1,
369 .flags = IORESOURCE_MEM,
372 .name = "AVE3e Reserved 1",
374 .end = 0xe0000000 + SZ_256M - 1,
375 .flags = IORESOURCE_MEM,
379 static struct resource dma_resource[] = {
381 .start = U300_DMAC_BASE,
382 .end = U300_DMAC_BASE + PAGE_SIZE - 1,
383 .flags = IORESOURCE_MEM,
386 .start = IRQ_U300_DMA,
388 .flags = IORESOURCE_IRQ,
392 #ifdef CONFIG_MACH_U300_BS335
393 /* points out all dma slave channels.
394 * Syntax is [A1, B1, A2, B2, .... ,-1,-1]
395 * Select all channels from A to B, end of list is marked with -1,-1
397 static int dma_slave_channels[] = {
398 U300_DMA_MSL_TX_0, U300_DMA_SPI_RX,
399 U300_DMA_UART1_TX, U300_DMA_UART1_RX, -1, -1};
401 /* points out all dma memcpy channels. */
402 static int dma_memcpy_channels[] = {
403 U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_8, -1, -1};
405 #else /* CONFIG_MACH_U300_BS335 */
407 static int dma_slave_channels[] = {U300_DMA_MSL_TX_0, U300_DMA_SPI_RX, -1, -1};
408 static int dma_memcpy_channels[] = {
409 U300_DMA_GENERAL_PURPOSE_0, U300_DMA_GENERAL_PURPOSE_10, -1, -1};
413 /** register dma for memory access
415 * active 1 means dma intends to access memory
416 * 0 means dma wont access memory
418 static void coh901318_access_memory_state(struct device *dev, bool active)
422 #define flags_memcpy_config (COH901318_CX_CFG_CH_DISABLE | \
423 COH901318_CX_CFG_RM_MEMORY_TO_MEMORY | \
424 COH901318_CX_CFG_LCR_DISABLE | \
425 COH901318_CX_CFG_TC_IRQ_ENABLE | \
426 COH901318_CX_CFG_BE_IRQ_ENABLE)
427 #define flags_memcpy_lli_chained (COH901318_CX_CTRL_TC_ENABLE | \
428 COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \
429 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \
430 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \
431 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \
432 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \
433 COH901318_CX_CTRL_MASTER_MODE_M1RW | \
434 COH901318_CX_CTRL_TCP_DISABLE | \
435 COH901318_CX_CTRL_TC_IRQ_DISABLE | \
436 COH901318_CX_CTRL_HSP_DISABLE | \
437 COH901318_CX_CTRL_HSS_DISABLE | \
438 COH901318_CX_CTRL_DDMA_LEGACY | \
439 COH901318_CX_CTRL_PRDD_SOURCE)
440 #define flags_memcpy_lli (COH901318_CX_CTRL_TC_ENABLE | \
441 COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \
442 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \
443 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \
444 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \
445 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \
446 COH901318_CX_CTRL_MASTER_MODE_M1RW | \
447 COH901318_CX_CTRL_TCP_DISABLE | \
448 COH901318_CX_CTRL_TC_IRQ_DISABLE | \
449 COH901318_CX_CTRL_HSP_DISABLE | \
450 COH901318_CX_CTRL_HSS_DISABLE | \
451 COH901318_CX_CTRL_DDMA_LEGACY | \
452 COH901318_CX_CTRL_PRDD_SOURCE)
453 #define flags_memcpy_lli_last (COH901318_CX_CTRL_TC_ENABLE | \
454 COH901318_CX_CTRL_BURST_COUNT_32_BYTES | \
455 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS | \
456 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE | \
457 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS | \
458 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE | \
459 COH901318_CX_CTRL_MASTER_MODE_M1RW | \
460 COH901318_CX_CTRL_TCP_DISABLE | \
461 COH901318_CX_CTRL_TC_IRQ_ENABLE | \
462 COH901318_CX_CTRL_HSP_DISABLE | \
463 COH901318_CX_CTRL_HSS_DISABLE | \
464 COH901318_CX_CTRL_DDMA_LEGACY | \
465 COH901318_CX_CTRL_PRDD_SOURCE)
467 const struct coh_dma_channel chan_config[U300_DMA_CHANNELS] = {
469 .number = U300_DMA_MSL_TX_0,
472 .dev_addr = U300_MSL_BASE + 0 * 0x40 + 0x20,
475 .number = U300_DMA_MSL_TX_1,
478 .dev_addr = U300_MSL_BASE + 1 * 0x40 + 0x20,
479 .param.config = COH901318_CX_CFG_CH_DISABLE |
480 COH901318_CX_CFG_LCR_DISABLE |
481 COH901318_CX_CFG_TC_IRQ_ENABLE |
482 COH901318_CX_CFG_BE_IRQ_ENABLE,
483 .param.ctrl_lli_chained = 0 |
484 COH901318_CX_CTRL_TC_ENABLE |
485 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
486 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
487 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
488 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
489 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
490 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
491 COH901318_CX_CTRL_TCP_DISABLE |
492 COH901318_CX_CTRL_TC_IRQ_DISABLE |
493 COH901318_CX_CTRL_HSP_ENABLE |
494 COH901318_CX_CTRL_HSS_DISABLE |
495 COH901318_CX_CTRL_DDMA_LEGACY |
496 COH901318_CX_CTRL_PRDD_SOURCE,
497 .param.ctrl_lli = 0 |
498 COH901318_CX_CTRL_TC_ENABLE |
499 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
500 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
501 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
502 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
503 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
504 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
505 COH901318_CX_CTRL_TCP_ENABLE |
506 COH901318_CX_CTRL_TC_IRQ_DISABLE |
507 COH901318_CX_CTRL_HSP_ENABLE |
508 COH901318_CX_CTRL_HSS_DISABLE |
509 COH901318_CX_CTRL_DDMA_LEGACY |
510 COH901318_CX_CTRL_PRDD_SOURCE,
511 .param.ctrl_lli_last = 0 |
512 COH901318_CX_CTRL_TC_ENABLE |
513 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
514 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
515 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
516 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
517 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
518 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
519 COH901318_CX_CTRL_TCP_ENABLE |
520 COH901318_CX_CTRL_TC_IRQ_ENABLE |
521 COH901318_CX_CTRL_HSP_ENABLE |
522 COH901318_CX_CTRL_HSS_DISABLE |
523 COH901318_CX_CTRL_DDMA_LEGACY |
524 COH901318_CX_CTRL_PRDD_SOURCE,
527 .number = U300_DMA_MSL_TX_2,
530 .dev_addr = U300_MSL_BASE + 2 * 0x40 + 0x20,
531 .param.config = COH901318_CX_CFG_CH_DISABLE |
532 COH901318_CX_CFG_LCR_DISABLE |
533 COH901318_CX_CFG_TC_IRQ_ENABLE |
534 COH901318_CX_CFG_BE_IRQ_ENABLE,
535 .param.ctrl_lli_chained = 0 |
536 COH901318_CX_CTRL_TC_ENABLE |
537 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
538 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
539 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
540 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
541 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
542 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
543 COH901318_CX_CTRL_TCP_DISABLE |
544 COH901318_CX_CTRL_TC_IRQ_DISABLE |
545 COH901318_CX_CTRL_HSP_ENABLE |
546 COH901318_CX_CTRL_HSS_DISABLE |
547 COH901318_CX_CTRL_DDMA_LEGACY |
548 COH901318_CX_CTRL_PRDD_SOURCE,
549 .param.ctrl_lli = 0 |
550 COH901318_CX_CTRL_TC_ENABLE |
551 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
552 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
553 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
554 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
555 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
556 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
557 COH901318_CX_CTRL_TCP_ENABLE |
558 COH901318_CX_CTRL_TC_IRQ_DISABLE |
559 COH901318_CX_CTRL_HSP_ENABLE |
560 COH901318_CX_CTRL_HSS_DISABLE |
561 COH901318_CX_CTRL_DDMA_LEGACY |
562 COH901318_CX_CTRL_PRDD_SOURCE,
563 .param.ctrl_lli_last = 0 |
564 COH901318_CX_CTRL_TC_ENABLE |
565 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
566 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
567 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
568 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
569 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
570 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
571 COH901318_CX_CTRL_TCP_ENABLE |
572 COH901318_CX_CTRL_TC_IRQ_ENABLE |
573 COH901318_CX_CTRL_HSP_ENABLE |
574 COH901318_CX_CTRL_HSS_DISABLE |
575 COH901318_CX_CTRL_DDMA_LEGACY |
576 COH901318_CX_CTRL_PRDD_SOURCE,
580 .number = U300_DMA_MSL_TX_3,
583 .dev_addr = U300_MSL_BASE + 3 * 0x40 + 0x20,
584 .param.config = COH901318_CX_CFG_CH_DISABLE |
585 COH901318_CX_CFG_LCR_DISABLE |
586 COH901318_CX_CFG_TC_IRQ_ENABLE |
587 COH901318_CX_CFG_BE_IRQ_ENABLE,
588 .param.ctrl_lli_chained = 0 |
589 COH901318_CX_CTRL_TC_ENABLE |
590 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
591 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
592 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
593 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
594 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
595 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
596 COH901318_CX_CTRL_TCP_DISABLE |
597 COH901318_CX_CTRL_TC_IRQ_DISABLE |
598 COH901318_CX_CTRL_HSP_ENABLE |
599 COH901318_CX_CTRL_HSS_DISABLE |
600 COH901318_CX_CTRL_DDMA_LEGACY |
601 COH901318_CX_CTRL_PRDD_SOURCE,
602 .param.ctrl_lli = 0 |
603 COH901318_CX_CTRL_TC_ENABLE |
604 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
605 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
606 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
607 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
608 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
609 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
610 COH901318_CX_CTRL_TCP_ENABLE |
611 COH901318_CX_CTRL_TC_IRQ_DISABLE |
612 COH901318_CX_CTRL_HSP_ENABLE |
613 COH901318_CX_CTRL_HSS_DISABLE |
614 COH901318_CX_CTRL_DDMA_LEGACY |
615 COH901318_CX_CTRL_PRDD_SOURCE,
616 .param.ctrl_lli_last = 0 |
617 COH901318_CX_CTRL_TC_ENABLE |
618 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
619 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
620 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
621 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
622 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
623 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
624 COH901318_CX_CTRL_TCP_ENABLE |
625 COH901318_CX_CTRL_TC_IRQ_ENABLE |
626 COH901318_CX_CTRL_HSP_ENABLE |
627 COH901318_CX_CTRL_HSS_DISABLE |
628 COH901318_CX_CTRL_DDMA_LEGACY |
629 COH901318_CX_CTRL_PRDD_SOURCE,
632 .number = U300_DMA_MSL_TX_4,
635 .dev_addr = U300_MSL_BASE + 4 * 0x40 + 0x20,
636 .param.config = COH901318_CX_CFG_CH_DISABLE |
637 COH901318_CX_CFG_LCR_DISABLE |
638 COH901318_CX_CFG_TC_IRQ_ENABLE |
639 COH901318_CX_CFG_BE_IRQ_ENABLE,
640 .param.ctrl_lli_chained = 0 |
641 COH901318_CX_CTRL_TC_ENABLE |
642 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
643 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
644 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
645 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
646 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
647 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
648 COH901318_CX_CTRL_TCP_DISABLE |
649 COH901318_CX_CTRL_TC_IRQ_DISABLE |
650 COH901318_CX_CTRL_HSP_ENABLE |
651 COH901318_CX_CTRL_HSS_DISABLE |
652 COH901318_CX_CTRL_DDMA_LEGACY |
653 COH901318_CX_CTRL_PRDD_SOURCE,
654 .param.ctrl_lli = 0 |
655 COH901318_CX_CTRL_TC_ENABLE |
656 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
657 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
658 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
659 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
660 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
661 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
662 COH901318_CX_CTRL_TCP_ENABLE |
663 COH901318_CX_CTRL_TC_IRQ_DISABLE |
664 COH901318_CX_CTRL_HSP_ENABLE |
665 COH901318_CX_CTRL_HSS_DISABLE |
666 COH901318_CX_CTRL_DDMA_LEGACY |
667 COH901318_CX_CTRL_PRDD_SOURCE,
668 .param.ctrl_lli_last = 0 |
669 COH901318_CX_CTRL_TC_ENABLE |
670 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
671 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
672 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
673 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
674 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
675 COH901318_CX_CTRL_MASTER_MODE_M1R_M2W |
676 COH901318_CX_CTRL_TCP_ENABLE |
677 COH901318_CX_CTRL_TC_IRQ_ENABLE |
678 COH901318_CX_CTRL_HSP_ENABLE |
679 COH901318_CX_CTRL_HSS_DISABLE |
680 COH901318_CX_CTRL_DDMA_LEGACY |
681 COH901318_CX_CTRL_PRDD_SOURCE,
684 .number = U300_DMA_MSL_TX_5,
687 .dev_addr = U300_MSL_BASE + 5 * 0x40 + 0x20,
690 .number = U300_DMA_MSL_TX_6,
693 .dev_addr = U300_MSL_BASE + 6 * 0x40 + 0x20,
696 .number = U300_DMA_MSL_RX_0,
699 .dev_addr = U300_MSL_BASE + 0 * 0x40 + 0x220,
702 .number = U300_DMA_MSL_RX_1,
705 .dev_addr = U300_MSL_BASE + 1 * 0x40 + 0x220,
706 .param.config = COH901318_CX_CFG_CH_DISABLE |
707 COH901318_CX_CFG_LCR_DISABLE |
708 COH901318_CX_CFG_TC_IRQ_ENABLE |
709 COH901318_CX_CFG_BE_IRQ_ENABLE,
710 .param.ctrl_lli_chained = 0 |
711 COH901318_CX_CTRL_TC_ENABLE |
712 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
713 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
714 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
715 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
716 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
717 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
718 COH901318_CX_CTRL_TCP_DISABLE |
719 COH901318_CX_CTRL_TC_IRQ_DISABLE |
720 COH901318_CX_CTRL_HSP_ENABLE |
721 COH901318_CX_CTRL_HSS_DISABLE |
722 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
723 COH901318_CX_CTRL_PRDD_DEST,
725 .param.ctrl_lli_last = 0 |
726 COH901318_CX_CTRL_TC_ENABLE |
727 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
728 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
729 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
730 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
731 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
732 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
733 COH901318_CX_CTRL_TCP_DISABLE |
734 COH901318_CX_CTRL_TC_IRQ_ENABLE |
735 COH901318_CX_CTRL_HSP_ENABLE |
736 COH901318_CX_CTRL_HSS_DISABLE |
737 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
738 COH901318_CX_CTRL_PRDD_DEST,
741 .number = U300_DMA_MSL_RX_2,
744 .dev_addr = U300_MSL_BASE + 2 * 0x40 + 0x220,
745 .param.config = COH901318_CX_CFG_CH_DISABLE |
746 COH901318_CX_CFG_LCR_DISABLE |
747 COH901318_CX_CFG_TC_IRQ_ENABLE |
748 COH901318_CX_CFG_BE_IRQ_ENABLE,
749 .param.ctrl_lli_chained = 0 |
750 COH901318_CX_CTRL_TC_ENABLE |
751 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
752 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
753 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
754 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
755 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
756 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
757 COH901318_CX_CTRL_TCP_DISABLE |
758 COH901318_CX_CTRL_TC_IRQ_DISABLE |
759 COH901318_CX_CTRL_HSP_ENABLE |
760 COH901318_CX_CTRL_HSS_DISABLE |
761 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
762 COH901318_CX_CTRL_PRDD_DEST,
763 .param.ctrl_lli = 0 |
764 COH901318_CX_CTRL_TC_ENABLE |
765 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
766 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
767 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
768 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
769 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
770 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
771 COH901318_CX_CTRL_TCP_DISABLE |
772 COH901318_CX_CTRL_TC_IRQ_ENABLE |
773 COH901318_CX_CTRL_HSP_ENABLE |
774 COH901318_CX_CTRL_HSS_DISABLE |
775 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
776 COH901318_CX_CTRL_PRDD_DEST,
777 .param.ctrl_lli_last = 0 |
778 COH901318_CX_CTRL_TC_ENABLE |
779 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
780 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
781 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
782 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
783 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
784 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
785 COH901318_CX_CTRL_TCP_DISABLE |
786 COH901318_CX_CTRL_TC_IRQ_ENABLE |
787 COH901318_CX_CTRL_HSP_ENABLE |
788 COH901318_CX_CTRL_HSS_DISABLE |
789 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
790 COH901318_CX_CTRL_PRDD_DEST,
793 .number = U300_DMA_MSL_RX_3,
796 .dev_addr = U300_MSL_BASE + 3 * 0x40 + 0x220,
797 .param.config = COH901318_CX_CFG_CH_DISABLE |
798 COH901318_CX_CFG_LCR_DISABLE |
799 COH901318_CX_CFG_TC_IRQ_ENABLE |
800 COH901318_CX_CFG_BE_IRQ_ENABLE,
801 .param.ctrl_lli_chained = 0 |
802 COH901318_CX_CTRL_TC_ENABLE |
803 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
804 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
805 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
806 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
807 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
808 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
809 COH901318_CX_CTRL_TCP_DISABLE |
810 COH901318_CX_CTRL_TC_IRQ_DISABLE |
811 COH901318_CX_CTRL_HSP_ENABLE |
812 COH901318_CX_CTRL_HSS_DISABLE |
813 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
814 COH901318_CX_CTRL_PRDD_DEST,
815 .param.ctrl_lli = 0 |
816 COH901318_CX_CTRL_TC_ENABLE |
817 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
818 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
819 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
820 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
821 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
822 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
823 COH901318_CX_CTRL_TCP_DISABLE |
824 COH901318_CX_CTRL_TC_IRQ_ENABLE |
825 COH901318_CX_CTRL_HSP_ENABLE |
826 COH901318_CX_CTRL_HSS_DISABLE |
827 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
828 COH901318_CX_CTRL_PRDD_DEST,
829 .param.ctrl_lli_last = 0 |
830 COH901318_CX_CTRL_TC_ENABLE |
831 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
832 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
833 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
834 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
835 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
836 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
837 COH901318_CX_CTRL_TCP_DISABLE |
838 COH901318_CX_CTRL_TC_IRQ_ENABLE |
839 COH901318_CX_CTRL_HSP_ENABLE |
840 COH901318_CX_CTRL_HSS_DISABLE |
841 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
842 COH901318_CX_CTRL_PRDD_DEST,
845 .number = U300_DMA_MSL_RX_4,
848 .dev_addr = U300_MSL_BASE + 4 * 0x40 + 0x220,
849 .param.config = COH901318_CX_CFG_CH_DISABLE |
850 COH901318_CX_CFG_LCR_DISABLE |
851 COH901318_CX_CFG_TC_IRQ_ENABLE |
852 COH901318_CX_CFG_BE_IRQ_ENABLE,
853 .param.ctrl_lli_chained = 0 |
854 COH901318_CX_CTRL_TC_ENABLE |
855 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
856 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
857 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
858 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
859 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
860 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
861 COH901318_CX_CTRL_TCP_DISABLE |
862 COH901318_CX_CTRL_TC_IRQ_DISABLE |
863 COH901318_CX_CTRL_HSP_ENABLE |
864 COH901318_CX_CTRL_HSS_DISABLE |
865 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
866 COH901318_CX_CTRL_PRDD_DEST,
867 .param.ctrl_lli = 0 |
868 COH901318_CX_CTRL_TC_ENABLE |
869 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
870 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
871 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
872 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
873 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
874 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
875 COH901318_CX_CTRL_TCP_DISABLE |
876 COH901318_CX_CTRL_TC_IRQ_ENABLE |
877 COH901318_CX_CTRL_HSP_ENABLE |
878 COH901318_CX_CTRL_HSS_DISABLE |
879 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
880 COH901318_CX_CTRL_PRDD_DEST,
881 .param.ctrl_lli_last = 0 |
882 COH901318_CX_CTRL_TC_ENABLE |
883 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
884 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
885 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
886 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
887 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
888 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
889 COH901318_CX_CTRL_TCP_DISABLE |
890 COH901318_CX_CTRL_TC_IRQ_ENABLE |
891 COH901318_CX_CTRL_HSP_ENABLE |
892 COH901318_CX_CTRL_HSS_DISABLE |
893 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
894 COH901318_CX_CTRL_PRDD_DEST,
897 .number = U300_DMA_MSL_RX_5,
900 .dev_addr = U300_MSL_BASE + 5 * 0x40 + 0x220,
901 .param.config = COH901318_CX_CFG_CH_DISABLE |
902 COH901318_CX_CFG_LCR_DISABLE |
903 COH901318_CX_CFG_TC_IRQ_ENABLE |
904 COH901318_CX_CFG_BE_IRQ_ENABLE,
905 .param.ctrl_lli_chained = 0 |
906 COH901318_CX_CTRL_TC_ENABLE |
907 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
908 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
909 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
910 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
911 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
912 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
913 COH901318_CX_CTRL_TCP_DISABLE |
914 COH901318_CX_CTRL_TC_IRQ_DISABLE |
915 COH901318_CX_CTRL_HSP_ENABLE |
916 COH901318_CX_CTRL_HSS_DISABLE |
917 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
918 COH901318_CX_CTRL_PRDD_DEST,
919 .param.ctrl_lli = 0 |
920 COH901318_CX_CTRL_TC_ENABLE |
921 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
922 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
923 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
924 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
925 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
926 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
927 COH901318_CX_CTRL_TCP_DISABLE |
928 COH901318_CX_CTRL_TC_IRQ_ENABLE |
929 COH901318_CX_CTRL_HSP_ENABLE |
930 COH901318_CX_CTRL_HSS_DISABLE |
931 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
932 COH901318_CX_CTRL_PRDD_DEST,
933 .param.ctrl_lli_last = 0 |
934 COH901318_CX_CTRL_TC_ENABLE |
935 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
936 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
937 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
938 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
939 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
940 COH901318_CX_CTRL_MASTER_MODE_M2R_M1W |
941 COH901318_CX_CTRL_TCP_DISABLE |
942 COH901318_CX_CTRL_TC_IRQ_ENABLE |
943 COH901318_CX_CTRL_HSP_ENABLE |
944 COH901318_CX_CTRL_HSS_DISABLE |
945 COH901318_CX_CTRL_DDMA_DEMAND_DMA1 |
946 COH901318_CX_CTRL_PRDD_DEST,
949 .number = U300_DMA_MSL_RX_6,
952 .dev_addr = U300_MSL_BASE + 6 * 0x40 + 0x220,
955 .number = U300_DMA_MMCSD_RX_TX,
956 .name = "MMCSD RX TX",
958 .dev_addr = U300_MMCSD_BASE + 0x080,
959 .param.config = COH901318_CX_CFG_CH_DISABLE |
960 COH901318_CX_CFG_LCR_DISABLE |
961 COH901318_CX_CFG_TC_IRQ_ENABLE |
962 COH901318_CX_CFG_BE_IRQ_ENABLE,
963 .param.ctrl_lli_chained = 0 |
964 COH901318_CX_CTRL_TC_ENABLE |
965 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
966 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
967 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
968 COH901318_CX_CTRL_MASTER_MODE_M1RW |
969 COH901318_CX_CTRL_TCP_ENABLE |
970 COH901318_CX_CTRL_TC_IRQ_ENABLE |
971 COH901318_CX_CTRL_HSP_ENABLE |
972 COH901318_CX_CTRL_HSS_DISABLE |
973 COH901318_CX_CTRL_DDMA_LEGACY,
974 .param.ctrl_lli = 0 |
975 COH901318_CX_CTRL_TC_ENABLE |
976 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
977 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
978 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
979 COH901318_CX_CTRL_MASTER_MODE_M1RW |
980 COH901318_CX_CTRL_TCP_ENABLE |
981 COH901318_CX_CTRL_TC_IRQ_ENABLE |
982 COH901318_CX_CTRL_HSP_ENABLE |
983 COH901318_CX_CTRL_HSS_DISABLE |
984 COH901318_CX_CTRL_DDMA_LEGACY,
985 .param.ctrl_lli_last = 0 |
986 COH901318_CX_CTRL_TC_ENABLE |
987 COH901318_CX_CTRL_BURST_COUNT_32_BYTES |
988 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
989 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
990 COH901318_CX_CTRL_MASTER_MODE_M1RW |
991 COH901318_CX_CTRL_TCP_DISABLE |
992 COH901318_CX_CTRL_TC_IRQ_ENABLE |
993 COH901318_CX_CTRL_HSP_ENABLE |
994 COH901318_CX_CTRL_HSS_DISABLE |
995 COH901318_CX_CTRL_DDMA_LEGACY,
999 .number = U300_DMA_MSPRO_TX,
1004 .number = U300_DMA_MSPRO_RX,
1009 .number = U300_DMA_UART0_TX,
1014 .number = U300_DMA_UART0_RX,
1019 .number = U300_DMA_APEX_TX,
1024 .number = U300_DMA_APEX_RX,
1029 .number = U300_DMA_PCM_I2S0_TX,
1030 .name = "PCM I2S0 TX",
1032 .dev_addr = U300_PCM_I2S0_BASE + 0x14,
1033 .param.config = COH901318_CX_CFG_CH_DISABLE |
1034 COH901318_CX_CFG_LCR_DISABLE |
1035 COH901318_CX_CFG_TC_IRQ_ENABLE |
1036 COH901318_CX_CFG_BE_IRQ_ENABLE,
1037 .param.ctrl_lli_chained = 0 |
1038 COH901318_CX_CTRL_TC_ENABLE |
1039 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1040 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1041 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1042 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1043 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1044 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1045 COH901318_CX_CTRL_TCP_DISABLE |
1046 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1047 COH901318_CX_CTRL_HSP_ENABLE |
1048 COH901318_CX_CTRL_HSS_DISABLE |
1049 COH901318_CX_CTRL_DDMA_LEGACY |
1050 COH901318_CX_CTRL_PRDD_SOURCE,
1051 .param.ctrl_lli = 0 |
1052 COH901318_CX_CTRL_TC_ENABLE |
1053 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1054 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1055 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1056 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1057 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1058 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1059 COH901318_CX_CTRL_TCP_ENABLE |
1060 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1061 COH901318_CX_CTRL_HSP_ENABLE |
1062 COH901318_CX_CTRL_HSS_DISABLE |
1063 COH901318_CX_CTRL_DDMA_LEGACY |
1064 COH901318_CX_CTRL_PRDD_SOURCE,
1065 .param.ctrl_lli_last = 0 |
1066 COH901318_CX_CTRL_TC_ENABLE |
1067 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1068 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1069 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1070 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1071 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1072 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1073 COH901318_CX_CTRL_TCP_ENABLE |
1074 COH901318_CX_CTRL_TC_IRQ_ENABLE |
1075 COH901318_CX_CTRL_HSP_ENABLE |
1076 COH901318_CX_CTRL_HSS_DISABLE |
1077 COH901318_CX_CTRL_DDMA_LEGACY |
1078 COH901318_CX_CTRL_PRDD_SOURCE,
1081 .number = U300_DMA_PCM_I2S0_RX,
1082 .name = "PCM I2S0 RX",
1084 .dev_addr = U300_PCM_I2S0_BASE + 0x10,
1085 .param.config = COH901318_CX_CFG_CH_DISABLE |
1086 COH901318_CX_CFG_LCR_DISABLE |
1087 COH901318_CX_CFG_TC_IRQ_ENABLE |
1088 COH901318_CX_CFG_BE_IRQ_ENABLE,
1089 .param.ctrl_lli_chained = 0 |
1090 COH901318_CX_CTRL_TC_ENABLE |
1091 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1092 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1093 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1094 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1095 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1096 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1097 COH901318_CX_CTRL_TCP_DISABLE |
1098 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1099 COH901318_CX_CTRL_HSP_ENABLE |
1100 COH901318_CX_CTRL_HSS_DISABLE |
1101 COH901318_CX_CTRL_DDMA_LEGACY |
1102 COH901318_CX_CTRL_PRDD_DEST,
1103 .param.ctrl_lli = 0 |
1104 COH901318_CX_CTRL_TC_ENABLE |
1105 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1106 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1107 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1108 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1109 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1110 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1111 COH901318_CX_CTRL_TCP_ENABLE |
1112 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1113 COH901318_CX_CTRL_HSP_ENABLE |
1114 COH901318_CX_CTRL_HSS_DISABLE |
1115 COH901318_CX_CTRL_DDMA_LEGACY |
1116 COH901318_CX_CTRL_PRDD_DEST,
1117 .param.ctrl_lli_last = 0 |
1118 COH901318_CX_CTRL_TC_ENABLE |
1119 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1120 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1121 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1122 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1123 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1124 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1125 COH901318_CX_CTRL_TCP_ENABLE |
1126 COH901318_CX_CTRL_TC_IRQ_ENABLE |
1127 COH901318_CX_CTRL_HSP_ENABLE |
1128 COH901318_CX_CTRL_HSS_DISABLE |
1129 COH901318_CX_CTRL_DDMA_LEGACY |
1130 COH901318_CX_CTRL_PRDD_DEST,
1133 .number = U300_DMA_PCM_I2S1_TX,
1134 .name = "PCM I2S1 TX",
1136 .dev_addr = U300_PCM_I2S1_BASE + 0x14,
1137 .param.config = COH901318_CX_CFG_CH_DISABLE |
1138 COH901318_CX_CFG_LCR_DISABLE |
1139 COH901318_CX_CFG_TC_IRQ_ENABLE |
1140 COH901318_CX_CFG_BE_IRQ_ENABLE,
1141 .param.ctrl_lli_chained = 0 |
1142 COH901318_CX_CTRL_TC_ENABLE |
1143 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1144 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1145 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1146 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1147 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1148 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1149 COH901318_CX_CTRL_TCP_DISABLE |
1150 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1151 COH901318_CX_CTRL_HSP_ENABLE |
1152 COH901318_CX_CTRL_HSS_DISABLE |
1153 COH901318_CX_CTRL_DDMA_LEGACY |
1154 COH901318_CX_CTRL_PRDD_SOURCE,
1155 .param.ctrl_lli = 0 |
1156 COH901318_CX_CTRL_TC_ENABLE |
1157 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1158 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1159 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1160 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1161 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1162 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1163 COH901318_CX_CTRL_TCP_ENABLE |
1164 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1165 COH901318_CX_CTRL_HSP_ENABLE |
1166 COH901318_CX_CTRL_HSS_DISABLE |
1167 COH901318_CX_CTRL_DDMA_LEGACY |
1168 COH901318_CX_CTRL_PRDD_SOURCE,
1169 .param.ctrl_lli_last = 0 |
1170 COH901318_CX_CTRL_TC_ENABLE |
1171 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1172 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1173 COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE |
1174 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1175 COH901318_CX_CTRL_DST_ADDR_INC_DISABLE |
1176 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1177 COH901318_CX_CTRL_TCP_ENABLE |
1178 COH901318_CX_CTRL_TC_IRQ_ENABLE |
1179 COH901318_CX_CTRL_HSP_ENABLE |
1180 COH901318_CX_CTRL_HSS_DISABLE |
1181 COH901318_CX_CTRL_DDMA_LEGACY |
1182 COH901318_CX_CTRL_PRDD_SOURCE,
1185 .number = U300_DMA_PCM_I2S1_RX,
1186 .name = "PCM I2S1 RX",
1188 .dev_addr = U300_PCM_I2S1_BASE + 0x10,
1189 .param.config = COH901318_CX_CFG_CH_DISABLE |
1190 COH901318_CX_CFG_LCR_DISABLE |
1191 COH901318_CX_CFG_TC_IRQ_ENABLE |
1192 COH901318_CX_CFG_BE_IRQ_ENABLE,
1193 .param.ctrl_lli_chained = 0 |
1194 COH901318_CX_CTRL_TC_ENABLE |
1195 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1196 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1197 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1198 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1199 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1200 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1201 COH901318_CX_CTRL_TCP_DISABLE |
1202 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1203 COH901318_CX_CTRL_HSP_ENABLE |
1204 COH901318_CX_CTRL_HSS_DISABLE |
1205 COH901318_CX_CTRL_DDMA_LEGACY |
1206 COH901318_CX_CTRL_PRDD_DEST,
1207 .param.ctrl_lli = 0 |
1208 COH901318_CX_CTRL_TC_ENABLE |
1209 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1210 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1211 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1212 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1213 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1214 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1215 COH901318_CX_CTRL_TCP_ENABLE |
1216 COH901318_CX_CTRL_TC_IRQ_DISABLE |
1217 COH901318_CX_CTRL_HSP_ENABLE |
1218 COH901318_CX_CTRL_HSS_DISABLE |
1219 COH901318_CX_CTRL_DDMA_LEGACY |
1220 COH901318_CX_CTRL_PRDD_DEST,
1221 .param.ctrl_lli_last = 0 |
1222 COH901318_CX_CTRL_TC_ENABLE |
1223 COH901318_CX_CTRL_BURST_COUNT_16_BYTES |
1224 COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS |
1225 COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE |
1226 COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS |
1227 COH901318_CX_CTRL_DST_ADDR_INC_ENABLE |
1228 COH901318_CX_CTRL_MASTER_MODE_M1RW |
1229 COH901318_CX_CTRL_TCP_ENABLE |
1230 COH901318_CX_CTRL_TC_IRQ_ENABLE |
1231 COH901318_CX_CTRL_HSP_ENABLE |
1232 COH901318_CX_CTRL_HSS_DISABLE |
1233 COH901318_CX_CTRL_DDMA_LEGACY |
1234 COH901318_CX_CTRL_PRDD_DEST,
1237 .number = U300_DMA_XGAM_CDI,
1242 .number = U300_DMA_XGAM_PDI,
1247 .number = U300_DMA_SPI_TX,
1252 .number = U300_DMA_SPI_RX,
1257 .number = U300_DMA_GENERAL_PURPOSE_0,
1258 .name = "GENERAL 00",
1261 .param.config = flags_memcpy_config,
1262 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1263 .param.ctrl_lli = flags_memcpy_lli,
1264 .param.ctrl_lli_last = flags_memcpy_lli_last,
1267 .number = U300_DMA_GENERAL_PURPOSE_1,
1268 .name = "GENERAL 01",
1271 .param.config = flags_memcpy_config,
1272 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1273 .param.ctrl_lli = flags_memcpy_lli,
1274 .param.ctrl_lli_last = flags_memcpy_lli_last,
1277 .number = U300_DMA_GENERAL_PURPOSE_2,
1278 .name = "GENERAL 02",
1281 .param.config = flags_memcpy_config,
1282 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1283 .param.ctrl_lli = flags_memcpy_lli,
1284 .param.ctrl_lli_last = flags_memcpy_lli_last,
1287 .number = U300_DMA_GENERAL_PURPOSE_3,
1288 .name = "GENERAL 03",
1291 .param.config = flags_memcpy_config,
1292 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1293 .param.ctrl_lli = flags_memcpy_lli,
1294 .param.ctrl_lli_last = flags_memcpy_lli_last,
1297 .number = U300_DMA_GENERAL_PURPOSE_4,
1298 .name = "GENERAL 04",
1301 .param.config = flags_memcpy_config,
1302 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1303 .param.ctrl_lli = flags_memcpy_lli,
1304 .param.ctrl_lli_last = flags_memcpy_lli_last,
1307 .number = U300_DMA_GENERAL_PURPOSE_5,
1308 .name = "GENERAL 05",
1311 .param.config = flags_memcpy_config,
1312 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1313 .param.ctrl_lli = flags_memcpy_lli,
1314 .param.ctrl_lli_last = flags_memcpy_lli_last,
1317 .number = U300_DMA_GENERAL_PURPOSE_6,
1318 .name = "GENERAL 06",
1321 .param.config = flags_memcpy_config,
1322 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1323 .param.ctrl_lli = flags_memcpy_lli,
1324 .param.ctrl_lli_last = flags_memcpy_lli_last,
1327 .number = U300_DMA_GENERAL_PURPOSE_7,
1328 .name = "GENERAL 07",
1331 .param.config = flags_memcpy_config,
1332 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1333 .param.ctrl_lli = flags_memcpy_lli,
1334 .param.ctrl_lli_last = flags_memcpy_lli_last,
1337 .number = U300_DMA_GENERAL_PURPOSE_8,
1338 .name = "GENERAL 08",
1341 .param.config = flags_memcpy_config,
1342 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1343 .param.ctrl_lli = flags_memcpy_lli,
1344 .param.ctrl_lli_last = flags_memcpy_lli_last,
1346 #ifdef CONFIG_MACH_U300_BS335
1348 .number = U300_DMA_UART1_TX,
1353 .number = U300_DMA_UART1_RX,
1359 .number = U300_DMA_GENERAL_PURPOSE_9,
1360 .name = "GENERAL 09",
1363 .param.config = flags_memcpy_config,
1364 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1365 .param.ctrl_lli = flags_memcpy_lli,
1366 .param.ctrl_lli_last = flags_memcpy_lli_last,
1369 .number = U300_DMA_GENERAL_PURPOSE_10,
1370 .name = "GENERAL 10",
1373 .param.config = flags_memcpy_config,
1374 .param.ctrl_lli_chained = flags_memcpy_lli_chained,
1375 .param.ctrl_lli = flags_memcpy_lli,
1376 .param.ctrl_lli_last = flags_memcpy_lli_last,
1382 static struct coh901318_platform coh901318_platform = {
1383 .chans_slave = dma_slave_channels,
1384 .chans_memcpy = dma_memcpy_channels,
1385 .access_memory_state = coh901318_access_memory_state,
1386 .chan_conf = chan_config,
1387 .max_channels = U300_DMA_CHANNELS,
1390 static struct platform_device wdog_device = {
1391 .name = "coh901327_wdog",
1393 .num_resources = ARRAY_SIZE(wdog_resources),
1394 .resource = wdog_resources,
1397 static struct platform_device i2c0_device = {
1400 .num_resources = ARRAY_SIZE(i2c0_resources),
1401 .resource = i2c0_resources,
1404 static struct platform_device i2c1_device = {
1407 .num_resources = ARRAY_SIZE(i2c1_resources),
1408 .resource = i2c1_resources,
1411 static struct platform_device gpio_device = {
1412 .name = "u300-gpio",
1414 .num_resources = ARRAY_SIZE(gpio_resources),
1415 .resource = gpio_resources,
1418 static struct platform_device keypad_device = {
1421 .num_resources = ARRAY_SIZE(keypad_resources),
1422 .resource = keypad_resources,
1425 static struct platform_device rtc_device = {
1426 .name = "rtc-coh901331",
1428 .num_resources = ARRAY_SIZE(rtc_resources),
1429 .resource = rtc_resources,
1432 static struct platform_device fsmc_device = {
1435 .num_resources = ARRAY_SIZE(fsmc_resources),
1436 .resource = fsmc_resources,
1439 static struct platform_device ave_device = {
1440 .name = "video_enc",
1442 .num_resources = ARRAY_SIZE(ave_resources),
1443 .resource = ave_resources,
1446 static struct platform_device dma_device = {
1447 .name = "coh901318",
1449 .resource = dma_resource,
1450 .num_resources = ARRAY_SIZE(dma_resource),
1452 .platform_data = &coh901318_platform,
1453 .coherent_dma_mask = ~0,
1458 * Notice that AMBA devices are initialized before platform devices.
1461 static struct platform_device *platform_devs[] __initdata = {
1475 * Interrupts: the U300 platforms have two pl190 ARM PrimeCells connected
1476 * together so some interrupts are connected to the first one and some
1477 * to the second one.
1479 void __init u300_init_irq(void)
1481 u32 mask[2] = {0, 0};
1485 /* initialize clocking early, we want to clock the INTCON */
1488 /* Clock the interrupt controller */
1489 clk = clk_get_sys("intcon", NULL);
1490 BUG_ON(IS_ERR(clk));
1493 for (i = 0; i < NR_IRQS; i++)
1494 set_bit(i, (unsigned long *) &mask[0]);
1495 vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
1496 vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);
1501 * U300 platforms peripheral handling
1509 * This is a list of the Digital Baseband chips used in the U300 platform.
1511 static struct db_chip db_chips[] __initdata = {
1538 .name = "DB3350 P1x",
1542 .name = "DB3350 P2x",
1545 .chipid = 0x0000, /* List terminator */
1550 static void __init u300_init_check_chip(void)
1554 struct db_chip *chip;
1555 const char *chipname;
1556 const char unknown[] = "UNKNOWN";
1558 /* Read out and print chip ID */
1559 val = readw(U300_SYSCON_VBASE + U300_SYSCON_CIDR);
1560 /* This is in funky bigendian order... */
1561 val = (val & 0xFFU) << 8 | (val >> 8);
1565 for ( ; chip->chipid; chip++) {
1566 if (chip->chipid == (val & 0xFF00U)) {
1567 chipname = chip->name;
1571 printk(KERN_INFO "Initializing U300 system on %s baseband chip " \
1572 "(chip ID 0x%04x)\n", chipname, val);
1574 #ifdef CONFIG_MACH_U300_BS330
1575 if ((val & 0xFF00U) != 0xd800) {
1576 printk(KERN_ERR "Platform configured for BS330 " \
1577 "with DB3200 but %s detected, expect problems!",
1581 #ifdef CONFIG_MACH_U300_BS335
1582 if ((val & 0xFF00U) != 0xf000 && (val & 0xFF00U) != 0xf100) {
1583 printk(KERN_ERR "Platform configured for BS365 " \
1584 " with DB3350 but %s detected, expect problems!",
1588 #ifdef CONFIG_MACH_U300_BS365
1589 if ((val & 0xFF00U) != 0xe800) {
1590 printk(KERN_ERR "Platform configured for BS365 " \
1591 "with DB3210 but %s detected, expect problems!",
1600 * Some devices and their resources require reserved physical memory from
1601 * the end of the available RAM. This function traverses the list of devices
1602 * and assigns actual addresses to these.
1604 static void __init u300_assign_physmem(void)
1606 unsigned long curr_start = __pa(high_memory);
1609 for (i = 0; i < ARRAY_SIZE(platform_devs); i++) {
1610 for (j = 0; j < platform_devs[i]->num_resources; j++) {
1611 struct resource *const res =
1612 &platform_devs[i]->resource[j];
1614 if (IORESOURCE_MEM == res->flags &&
1616 res->start = curr_start;
1617 res->end += curr_start;
1618 curr_start += (res->end - res->start + 1);
1620 printk(KERN_INFO "core.c: Mapping RAM " \
1621 "%#x-%#x to device %s:%s\n",
1622 res->start, res->end,
1623 platform_devs[i]->name, res->name);
1629 void __init u300_init_devices(void)
1634 /* Check what platform we run and print some status information */
1635 u300_init_check_chip();
1637 /* Set system to run at PLL208, max performance, a known state. */
1638 val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
1639 val &= ~U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
1640 writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
1641 /* Wait for the PLL208 to lock if not locked in yet */
1642 while (!(readw(U300_SYSCON_VBASE + U300_SYSCON_CSR) &
1643 U300_SYSCON_CSR_PLL208_LOCK_IND));
1644 /* Initialize SPI device with some board specifics */
1645 u300_spi_init(&pl022_device);
1647 /* Register the AMBA devices in the AMBA bus abstraction layer */
1648 for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
1649 struct amba_device *d = amba_devs[i];
1650 amba_device_register(d, &iomem_resource);
1653 u300_assign_physmem();
1655 /* Register subdevices on the I2C buses */
1656 u300_i2c_register_board_devices();
1658 /* Register subdevices on the SPI bus */
1659 u300_spi_register_board_devices();
1661 /* Register the platform devices */
1662 platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
1664 #ifndef CONFIG_MACH_U300_SEMI_IS_SHARED
1666 * Enable SEMI self refresh. Self-refresh of the SDRAM is entered when
1667 * both subsystems are requesting this mode.
1668 * If we not share the Acc SDRAM, this is never the case. Therefore
1669 * enable it here from the App side.
1671 val = readw(U300_SYSCON_VBASE + U300_SYSCON_SMCR) |
1672 U300_SYSCON_SMCR_SEMI_SREFREQ_ENABLE;
1673 writew(val, U300_SYSCON_VBASE + U300_SYSCON_SMCR);
1674 #endif /* CONFIG_MACH_U300_SEMI_IS_SHARED */
1677 static int core_module_init(void)
1680 * This needs to be initialized later: it needs the input framework
1681 * to be initialized first.
1683 return mmc_init(&mmcsd_device);
1685 module_init(core_module_init);